JP2003250261A - Drive unit and its driving method - Google Patents
Drive unit and its driving methodInfo
- Publication number
- JP2003250261A JP2003250261A JP2002046751A JP2002046751A JP2003250261A JP 2003250261 A JP2003250261 A JP 2003250261A JP 2002046751 A JP2002046751 A JP 2002046751A JP 2002046751 A JP2002046751 A JP 2002046751A JP 2003250261 A JP2003250261 A JP 2003250261A
- Authority
- JP
- Japan
- Prior art keywords
- magnetic pole
- primary side
- magnetic
- gap
- opening
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Landscapes
- Motor Or Generator Cooling System (AREA)
- Linear Motors (AREA)
Abstract
Description
【0001】[0001]
【発明の属する技術分野】本発明は駆動装置及びその駆
動方法に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a driving device and a driving method thereof.
【0002】[0002]
【従来の技術】従来の駆動装置としては、例えば特開2
001−28875号公報に記載されているリニアモー
タが知られている。このリニアモータは、磁束が上部と
下部の磁極歯間を交番して上下に流れる電機子ユニット
を形成し、電機子ユニットの上部磁極面と下部磁極面間
のギャップを、永久磁石を有する可動子が相対移動する
ものである。2. Description of the Related Art As a conventional driving device, for example, Japanese Patent Laid-Open No.
The linear motor described in 001-28875 is known. This linear motor forms an armature unit in which magnetic flux alternately flows between upper and lower magnetic pole teeth to form an armature unit, and a gap between the upper magnetic pole surface and the lower magnetic pole surface of the armature unit is provided with a mover having a permanent magnet. Is a relative movement.
【0003】[0003]
【発明が解決しようとする課題】従来のリニアモータ
は、電機子の磁極歯間の隙間を通る磁束の漏れを少なく
して、電機子と可動子の間に生ずる磁気吸引力を小さく
できるので、可動子の支持機構に大きな負担がかかり、
装置構造に歪みが生じて様々な弊害が生じるということ
がないものである。しかしながら、従来のリニアモータ
には、例えば装置の保守や管理、いわゆるメンテナンス
の省力化,装置の冷却性能の向上などが要求されてい
る。従って、従来のリニアモータを被駆動体、例えばド
アや搬送装置などの駆動源として実用化するにあたって
は、上記要求を満足するように改良を加えることが望ま
しい。Since the conventional linear motor can reduce the leakage of the magnetic flux passing through the gaps between the magnetic pole teeth of the armature and the magnetic attraction force generated between the armature and the mover, A heavy load is applied to the support mechanism of the mover,
There is no possibility that distortion will occur in the device structure and various adverse effects will occur. However, conventional linear motors are required to maintain and manage the device, save so-called maintenance, and improve the cooling performance of the device. Therefore, when the conventional linear motor is put to practical use as a driven body, for example, as a drive source for a door, a conveying device, or the like, it is desirable to make an improvement so as to satisfy the above requirements.
【0004】本発明の代表的な目的は、装置内部への侵
入物の侵入防止或いは装置内部に侵入した侵入物の排除
などの防塵機能を備えた駆動装置及びその駆動方法を提
供することにある。また、本発明の他の代表的な目的
は、発熱体を冷却する冷却機能を備えた駆動装置及びそ
の駆動方法を提供することにある。さらに、本発明の他
の代表的な目的は、上記防塵機能及び上記冷却機能を兼
ね備えた駆動装置及びその駆動方法を提供することにあ
る。A typical object of the present invention is to provide a driving device having a dustproof function such as prevention of intrusion of intruding objects into the inside of the apparatus or elimination of intruding objects in the inside of the apparatus and a driving method thereof. . Another representative object of the present invention is to provide a driving device having a cooling function for cooling a heating element and a driving method thereof. Further, another typical object of the present invention is to provide a driving device having both the dustproof function and the cooling function, and a driving method thereof.
【0005】[0005]
【課題を解決するための手段】本発明の基本的な特徴
は、一次側の空隙の圧力を外部の圧力よりも高くするこ
とにある。このため、本発明では、駆動装置に加圧手段
を設け、一次側の空隙の圧力を外部の圧力よりも高くし
ながら一次側と二次側とを相対運動させるように駆動装
置を駆動する。The basic feature of the present invention is to make the pressure in the air gap on the primary side higher than the pressure in the outside. Therefore, in the present invention, the driving device is provided with the pressurizing means, and the driving device is driven so that the primary side and the secondary side move relative to each other while making the pressure in the gap on the primary side higher than the external pressure.
【0006】具体的に本発明の駆動装置は、一次側と二
次側が相対運動するように構成されたものである。一次
側は、巻線が巻かれていると共に、磁極の対向部が一方
向に連なって形成された空隙を有するもの、或いは巻線
が巻かれていると共に、第1方向に対向する磁極片の対
向方向の一方向に磁束を流す磁極、第1方向に対向する
磁極片の対向方向の他方向に磁束を流す磁極が交互に配
列され、前記各磁極の対向する磁極片間によって前記磁
極配列方向に貫通する空隙が形成されたものであり、巻
線への通電によって発生した磁束を空隙に交互に相対、
すなわち交番させて流している。二次側は、磁性を有す
ると共に、一次側の空隙に配置されたものであり、一次
側の交番磁束と鎖交する。この鎖交によって一次側と二
次側は相対運動する。Specifically, the drive device of the present invention is configured such that the primary side and the secondary side move relative to each other. On the primary side, a winding is wound and a gap is formed in which the facing portions of the magnetic poles are continuous in one direction, or the winding is wound and the pole pieces facing each other in the first direction. Magnetic poles that flow a magnetic flux in one direction opposite to each other and magnetic poles that flow a magnetic flux in another direction opposite to the opposite direction of a magnetic pole piece that opposes the first direction are alternately arranged. A magnetic flux generated by energizing the windings is alternately opposed to the air gap,
In other words, it is made to flow by turns. The secondary side has magnetism and is arranged in an air gap on the primary side, and interlinks with the alternating magnetic flux on the primary side. Due to this interlinking, the primary side and the secondary side move relative to each other.
【0007】加圧手段は、一次側の空隙に気体状媒体、
例えば空気やガスなどを供給する供給手段であり、気体
状媒体を蓄える貯蔵手段、例えば空気又はガスが封入さ
れたボンベ又はタンク、或いは気体状媒体を発生させる
発生手段、例えば一次側又は二次側によって駆動させる
被駆動体の動作で空気を圧縮する圧縮装置、若しくは一
次側の動作によって気体状媒体を得る取得手段、例えば
一次側に取り付けられると共に、一次側の動作方向に開
口して外気を取り込むダクトと、貯蔵手段或いは発生手
段若しくは取得手段から供給された気体状媒体を一次側
の空隙に導く導入手段とを有してなる。The pressurizing means includes a gaseous medium in the void on the primary side,
For example, a supply means for supplying air or gas, a storage means for storing a gaseous medium, for example, a cylinder or a tank filled with air or gas, or a generating means for generating a gaseous medium, for example, a primary side or a secondary side. A compression device that compresses air by the operation of the driven body driven by, or an acquisition means that obtains a gaseous medium by the operation of the primary side, for example, is attached to the primary side and opens in the operating direction of the primary side to take in outside air. It has a duct and an introduction means for guiding the gaseous medium supplied from the storage means or the generation means or the acquisition means to the void on the primary side.
【0008】一次側の磁極配列方向両端には、一次側と
共に配列されると共に、一次側の空隙と連通し、かつ磁
極配列方向に貫通する開口部が形成されたブロック状の
部材を配置している。また、一次側が複数相で構成され
る場合、すなわち巻線が巻かれていると共に、対向しか
つ対向方向の一方向に磁束を発生させる磁極片が設けら
れた磁極と、対向しかつ対向方向の他方向に磁束を発生
させる磁極片が設けられた磁極とが交互に配列された単
位体を磁極配列方向に複数並ばして構成している場合、
ブロック状の部材は各単位体間に配置される。At both ends of the magnetic pole arrangement direction on the primary side, there are arranged block-like members which are arranged together with the primary side and which are formed with openings which communicate with the gaps on the primary side and penetrate through in the magnetic pole arrangement direction. There is. In addition, when the primary side is composed of a plurality of phases, that is, the winding is wound and the magnetic pole provided with a magnetic pole piece facing each other and generating a magnetic flux in one direction of the facing direction, When a plurality of unit bodies in which magnetic poles provided with magnetic pole pieces that generate magnetic flux in the other direction are alternately arranged are arranged in the magnetic pole arrangement direction,
The block-shaped member is arranged between the units.
【0009】導入手段は、ブロック状の部材に設けられ
たもので、部材の開口部を含む一次側の空隙と外部とを
連通する連通孔である。また、ブロック状の部材には、
部材の開口部を含む一次側の空隙と外部とを連通すると
共に、部材の開口部を含む一次側の空隙に導かれた気体
状媒体を外部に排出する連通孔が設けられている。連通
孔は、一次側の磁極配列方向両端に設けられた部材或い
は単位体間に配置された部材の少なくとも一つに設けら
れている。The introducing means is provided in a block-shaped member, and is a communication hole that communicates with the outside of the primary side including the opening of the member. In addition, the block-shaped member,
A communication hole is provided for communicating the primary side void including the opening of the member with the outside, and for discharging the gaseous medium guided to the primary side void including the opening of the member to the outside. The communication holes are provided in at least one of members provided at both ends of the primary side in the magnetic pole array direction or members provided between the unit bodies.
【0010】駆動装置を駆動させるにあたっては、一次
側の空隙に気体状媒体を供給しながら一次側と二次側と
を相対運動させる。このとき、一次側に対して二次側を
往復運動させる場合は、外部に蓄えられている気体状媒
体、例えばボンベ又はタンクに蓄えられている空気又は
ガスを一次側の空隙に供給しながら、或いは二次側によ
って駆動される被駆動体の動作で発生した気体状媒体、
例えば二次側によって駆動される被駆動体の動作で駆動
する圧縮装置からの圧縮空気を一次側の空隙に供給しな
がら一次側に対して二次側を往復運動させる。二次側に
対して一次側を往復運動させる場合は、一次側によって
駆動される被駆動体の動作で発生した気体状媒体、例え
ば一次側によって駆動される被駆動体の動作で駆動する
圧縮装置からの圧縮空気を一次側の空隙に供給しなが
ら、或いは一次側の駆動によって得られた気体状媒体、
例えば一次側に取り付けられかつ一次側の動作方向に開
口したダクトで取り込んだ外気を一次側の空隙に供給し
ながら二次側に対して一次側を往復運動させる。In driving the driving device, the primary side and the secondary side are moved relative to each other while supplying the gaseous medium to the gap on the primary side. At this time, when reciprocating the secondary side with respect to the primary side, while supplying a gaseous medium stored outside, for example, air or gas stored in a cylinder or a tank to the void on the primary side, Alternatively, a gaseous medium generated by the operation of the driven body driven by the secondary side,
For example, the secondary side is reciprocated with respect to the primary side while supplying compressed air from the compression device driven by the operation of the driven body driven by the secondary side to the gap on the primary side. When the primary side is reciprocated with respect to the secondary side, a gaseous medium generated by the operation of the driven body driven by the primary side, for example, a compression device driven by the operation of the driven body driven by the primary side A gaseous medium obtained by supplying compressed air from the primary side to the void, or by driving the primary side,
For example, the primary side is reciprocated with respect to the secondary side while the outside air taken in by a duct attached to the primary side and opened in the operation direction of the primary side is supplied to the gap on the primary side.
【0011】本発明によれば、駆動装置を駆動させる
際、一次側の空隙に気体状媒体を供給しながら一次側と
二次側とを相対運動させるので、一次側の空隙の圧力が
外部の圧力よりも高くなると共に、一次側の空隙に気体
状媒体による風の流れが形成される。これにより、一次
側の空隙内に侵入した侵入物、例えば塵埃が一次側の磁
極配列方向両端部,ブロック状の部材に設けられた連通
孔,外部と連通する隙間などから外部に排出されると共
に、一次側の空隙内への侵入物、例えば塵埃の侵入が防
止される。また、磁極に巻かれた巻線から一次側の空隙
に直接又は磁極を介して伝達された巻線の発熱と熱交換
され、巻線を冷却する。熱交換された気体状媒体は、一
次側の磁極配列方向両端部,ブロック状の部材に設けら
れた連通孔,外部と連通する隙間などから外部に排出さ
れる。従って、本発明によれば、駆動装置に防塵機能及
び冷却機能を兼ね備えることができる。According to the present invention, when the driving device is driven, the primary side and the secondary side are moved relative to each other while supplying the gaseous medium to the primary side void, so that the pressure in the primary side void is outside. The pressure is higher than the pressure, and a flow of wind by the gaseous medium is formed in the void on the primary side. As a result, intruders that have entered the voids on the primary side, such as dust, are discharged to the outside from the both ends of the primary side in the magnetic pole arrangement direction, the communication holes provided in the block-shaped member, the gaps communicating with the outside, and the like. An intruding object, for example, dust, is prevented from entering the void on the primary side. Further, heat is exchanged with the heat generated in the winding, which is transmitted from the winding wound around the magnetic pole to the air gap on the primary side directly or via the magnetic pole, and the winding is cooled. The heat-exchanged gaseous medium is discharged to the outside through the both ends of the primary side in the magnetic pole array direction, the communication holes provided in the block-shaped member, the gap communicating with the outside, and the like. Therefore, according to the present invention, the drive device can have both the dustproof function and the cooling function.
【0012】[0012]
【発明の実施の形態】本発明の第1実施例である駆動装
置を図1乃至図6に基づいて説明する。本実施例の駆動
装置100は、一次側10と二次側30とが相対運動、
具体的には一次側10に対して二次側30が往復運動す
るリニアモータである。本実施例の駆動装置100は、
例えば電動工具の先端工具,流体搬送装置,吸気バルブ
などの弁体などの直線運動する被駆動体の駆動源として
用いられる。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS A drive device according to a first embodiment of the present invention will be described with reference to FIGS. In the drive device 100 of this embodiment, the primary side 10 and the secondary side 30 are in relative motion,
Specifically, it is a linear motor in which the secondary side 30 reciprocates with respect to the primary side 10. The drive device 100 of the present embodiment is
For example, it is used as a driving source for a linear tool such as a tip tool of an electric tool, a fluid transfer device, and a valve body such as an intake valve.
【0013】ここで、一次側10は二次側30に対して
静止しているので、固定子と呼ばれる場合もある。二次
側30は一次側10に対して可動しているので、可動子
と呼ばれる場合もある。Here, since the primary side 10 is stationary with respect to the secondary side 30, it may be called a stator. Since the secondary side 30 is movable with respect to the primary side 10, it may be called a mover.
【0014】一次側10には、磁路を形成する磁極1
1,12が複数設けられている。磁極11,12は、磁
性材、例えば鉄,珪素鋼などから形成された薄板状の磁
性部材13,14が複数積層された鉄心である(固定子
に設けられた鉄心なので、固定子鉄心とも呼ばれる)。
磁極11,12は同一体格,同一形状のものであり、磁
極片11a,12a,磁極片11b,12b及び磁極片
11c,12cから構成されている。On the primary side 10 is a magnetic pole 1 forming a magnetic path.
A plurality of 1 and 12 are provided. The magnetic poles 11 and 12 are iron cores in which a plurality of thin plate-shaped magnetic members 13 and 14 formed of a magnetic material such as iron or silicon steel are laminated (since they are iron cores provided in the stator, they are also called stator iron cores. ).
The magnetic poles 11 and 12 have the same size and shape, and are composed of magnetic pole pieces 11a and 12a, magnetic pole pieces 11b and 12b, and magnetic pole pieces 11c and 12c.
【0015】磁極片11a,12aは積層断面の形状が
矩形状のものであり、基礎部材である平板状のベース1
5に嵌め込まれている。磁極片11b,12bは積層断
面の形状が略S字状のものであり、磁極片11a,12
aの一端側に一体に形成されている。磁極片11c,1
2cは積層断面の形状が略かぎ状のものであり、磁極片
11a,12aの他端側に一体に形成されている。ここ
で、積層断面とは、磁性部材の積層方向の断面を意味す
る。The magnetic pole pieces 11a and 12a have a rectangular cross-section in the laminated cross section, and the flat base 1 which is a base member.
It is fitted in 5. The magnetic pole pieces 11b and 12b have a substantially S-shaped laminated cross section.
It is integrally formed on one end side of a. Pole pieces 11c, 1
2c has a substantially hook-shaped laminated cross section, and is integrally formed on the other end side of the magnetic pole pieces 11a and 12a. Here, the laminated cross section means a cross section in the laminating direction of the magnetic member.
【0016】磁極片11b,12bと磁極片11c,1
2cは上下方向に対向している。具体的には、磁極片1
1b,12bの先端側が磁極片11c,12cの先端側
の上方に位置し対向している。磁極片11b,12bと
磁極片11c,12cとの対向部分は上下方向の対向側
に突出すると共に、磁性部材の積層方向に連続し、上下
方向に垂直な平行面を形成している。ここで、上下方向
とは、ベース15の平面を基準面としたとき、基準面と
直交する平面上において磁性部材の積層方向と直交する
方向を意味する。The magnetic pole pieces 11b and 12b and the magnetic pole pieces 11c and 1
2c faces up and down. Specifically, the pole piece 1
The tip sides of 1b and 12b are located above and opposed to the tip sides of the magnetic pole pieces 11c and 12c. The facing portions of the magnetic pole pieces 11b and 12b and the magnetic pole pieces 11c and 12c project to the facing side in the vertical direction and are continuous in the stacking direction of the magnetic members to form parallel planes perpendicular to the vertical direction. Here, the up-down direction means a direction orthogonal to the stacking direction of the magnetic members on a plane orthogonal to the reference plane when the plane of the base 15 is the reference plane.
【0017】磁性部材13,14は、1枚或いは複数重
ねた鉄板,珪素鋼板などをプレス加工によって打ち抜い
て形成したもの或いはワイヤカットによって切断して形
成したものである。磁性部材13,14は同一体格,同
一形状のものであり、磁性部材片13a,14a,磁性
部材片13b,14b及び磁性部材片13c,14cか
ら構成されている。磁性部材片13a,14aは磁極片
11a,12aに対応する部分である。磁性部材片13
b,14bは磁極片11b,12bに対応する部分であ
る。磁性部材片13c,14cは磁極片11c,12c
に対応する部分である。The magnetic members 13 and 14 are formed by punching one or a plurality of stacked iron plates, silicon steel plates or the like by press working, or by cutting by wire cutting. The magnetic members 13 and 14 have the same size and shape, and are composed of magnetic member pieces 13a and 14a, magnetic member pieces 13b and 14b, and magnetic member pieces 13c and 14c. The magnetic member pieces 13a and 14a are portions corresponding to the magnetic pole pieces 11a and 12a. Magnetic member piece 13
b and 14b are portions corresponding to the pole pieces 11b and 12b. The magnetic member pieces 13c and 14c are magnetic pole pieces 11c and 12c.
Is a part corresponding to.
【0018】磁極11,12は磁性部材の積層方向にス
ペーサ16を介して交互に複数配列されている。しか
も、互いの形状が上下方向を軸として180度裏返った
関係になるように配列されている。スペーサ16は、絶
縁材、例えばエポキシ樹脂などから形成された成形品で
あり、磁極11,12が配列されたときの磁極配列方向
の断面形状と同一体格,同一形状の板状部材である。ス
ペーサ16には2つの開口部が形成されている。2つの
開口部は磁極配列方向に貫通する。開口部の一方は、後
述する空隙18と連続している。開口部の他方は、後述
する空隙19と連続している。A plurality of magnetic poles 11 and 12 are arranged alternately in the stacking direction of the magnetic members with spacers 16 interposed therebetween. Moreover, they are arranged so that their shapes are turned upside down by 180 degrees about the vertical direction. The spacer 16 is a molded product formed of an insulating material such as epoxy resin, and is a plate-shaped member having the same size and shape as the cross-sectional shape in the magnetic pole array direction when the magnetic poles 11 and 12 are arrayed. Two openings are formed in the spacer 16. The two openings penetrate in the magnetic pole array direction. One of the openings is continuous with the void 18 described later. The other of the openings is continuous with a void 19 described later.
【0019】駆動装置100は三相交流の電力を受けて
駆動する。ここで、磁極11,12がスペーサ16を介
して複数配列されたものを1相分の単位体と定義する
と、本実施例では三相分の単位体が設けられている。単
位体17u,17v,17wは磁極配列方向の同一軸上
に並設されている。The driving device 100 is driven by receiving three-phase AC power. Here, when a plurality of magnetic poles 11 and 12 arranged via the spacer 16 is defined as a unit body for one phase, three unit bodies for three phases are provided in this embodiment. The units 17u, 17v, 17w are arranged side by side on the same axis in the magnetic pole arrangement direction.
【0020】以下、本発明の実施例の説明では、磁性部
材の積層方向或いは磁極配列方向と同一方向を第1方向
と定義して用いる。また、上下方向、すなわちベース1
5の平面を基準面としたとき、基準面と直交する平面上
において磁性部材の積層方向或いは磁極配列方向と直交
する方向と同一方向を第2方向と定義して用いる。さら
に、ベース15の平面を基準面としたとき、基準面と水
平な平面上において磁性部材の積層方向或いは磁極配列
方向と直交する方向と同一方向を第3方向と定義して用
いる。In the following description of the embodiments of the present invention, the same direction as the stacking direction of magnetic members or the magnetic pole arraying direction is defined as the first direction. In the vertical direction, that is, the base 1
When the plane of No. 5 is the reference plane, the same direction as the direction orthogonal to the stacking direction of the magnetic members or the magnetic pole arrangement direction on the plane orthogonal to the reference plane is defined as the second direction. Further, when the plane of the base 15 is used as the reference plane, the same direction as the direction orthogonal to the stacking direction of the magnetic members or the magnetic pole arrangement direction on the plane parallel to the reference plane is defined as the third direction.
【0021】単位体17u,17v,17wには、第1
方向に貫通する空隙18,19が形成されている。空隙
18は、第2方向に対向する磁極片11b,11c間及
び磁極片12b,12c間の空隙、スペーサ16の開口
部が第1方向に連続することによって形成されたもので
ある。空隙19は、磁極片11a,11b,11c間の
空隙、磁極片12a,12b,12c間の空隙及びスペ
ーサ16の開口部が第1方向に連続することによって形
成されたものである。空隙18と空隙19は第2方向に
並設されている。The unit bodies 17u, 17v, 17w have a first
Voids 18 and 19 penetrating in the direction are formed. The gap 18 is formed by the gap between the pole pieces 11b and 11c facing each other in the second direction, the gap between the pole pieces 12b and 12c, and the opening of the spacer 16 being continuous in the first direction. The air gap 19 is formed by the air gap between the magnetic pole pieces 11a, 11b and 11c, the air gap between the magnetic pole pieces 12a, 12b and 12c and the opening of the spacer 16 being continuous in the first direction. The void 18 and the void 19 are arranged side by side in the second direction.
【0022】空隙18の第1方向の断面形状は、第3方
向の長さが第2方向の長さよりも大きく、第3方向の中
央部の第2方向の長さが第3方向の両端部の第2方向の
長さよりも小さいH字状になっている。すなわち空隙1
8は、磁極片11b,12bと磁極片11c,12cと
の対向部分の第2方向の対向側への突出によって上記形
状になっている。第3方向の中央部が第3方向の両端部
よりも第2方向の内方に突出する空隙19の第1方向の
断面形状は、第3方向の長さが第2方向の長さよりも大
きい矩形状である。The cross-sectional shape of the void 18 in the first direction is such that the length in the third direction is larger than the length in the second direction, and the length in the second direction at the center of the third direction is at both ends in the third direction. Has an H shape smaller than the length in the second direction. That is, void 1
8 has the above-described shape by the protrusion of the facing portions of the magnetic pole pieces 11b and 12b and the magnetic pole pieces 11c and 12c toward the facing side in the second direction. The cross-sectional shape in the first direction of the void 19 in which the central portion in the third direction projects inward in the second direction more than both ends in the third direction has a length in the third direction larger than that in the second direction. It has a rectangular shape.
【0023】一次側10の第1方向の両端(単位体17
u,17wの単位体17v側とは反対側端)にはスペー
サ20が配列されている。スペーサ20は、絶縁材、例
えばエポキシ樹脂などから形成された成形品であり、磁
極11,12が配列されたときの第1方向の断面形状と
同一体格,同一形状のブロック状部材である。スペーサ
20は、固定手段、例えばボルト・ナットなどの締付力
を一次側10の第1方向の両端面全体に作用させ、一次
側10を第1方向の両端から挟持する挟持部材である。
単位体17u,17v間及び単位体17v,17w間に
はスペーサ21が配列されている。スペーサ21は、ス
ペーサ20と同様に形成されたものであり、単位体17
u,17v間及び単位体17v,17w間の絶縁を確保
する相間絶縁部材である。Both ends of the primary side 10 in the first direction (unit body 17
Spacers 20 are arranged at the ends of u and 17w opposite to the unit 17v side. The spacer 20 is a molded product formed of an insulating material such as epoxy resin, and is a block-shaped member having the same size and shape as the cross-sectional shape in the first direction when the magnetic poles 11 and 12 are arranged. The spacer 20 is a sandwiching member that sandwiches the primary side 10 from both ends in the first direction by applying a tightening force such as a fixing means such as a bolt / nut to both end faces of the primary side 10 in the first direction.
Spacers 21 are arranged between the units 17u and 17v and between the units 17v and 17w. The spacer 21 is formed in the same manner as the spacer 20, and the unit body 17
It is an interphase insulating member that ensures insulation between u and 17v and between unit bodies 17v and 17w.
【0024】スペーサ20の空隙18との対向部分には
開口部20aが形成されている。開口部20aは第1方
向に貫通しており、空隙18と連続している。開口部2
0aの第1方向の断面形状は空隙18の第1方向の断面
形状と同一体格,同一形状になっている。スペーサ20
の空隙19との対向部分には開口部21aが形成されて
いる。開口部20bは第1方向に貫通しており、空隙1
9と連続している。開口部20bの第1方向の断面形状
は空隙19の第1方向の断面形状と同一体格,同一形状
になっている。An opening 20a is formed in the portion of the spacer 20 facing the space 18. The opening 20a penetrates in the first direction and is continuous with the void 18. Opening 2
The cross-sectional shape of 0a in the first direction has the same size and shape as the cross-sectional shape of the void 18 in the first direction. Spacer 20
An opening 21a is formed in a portion facing the void 19 of FIG. The opening 20b penetrates in the first direction, and the void 1
9 in succession. The cross-sectional shape of the opening 20b in the first direction has the same size and shape as the cross-sectional shape of the void 19 in the first direction.
【0025】スペーサ21の空隙18,19との対向部
分にも開口部が形成されている。開口部は第1方向に貫
通しており、対応する空隙と連続している。開口部の第
1方向の断面形状は、対応する空隙の第1方向の断面形
状と同一体格,同一形状になっている。An opening is also formed in the portion of the spacer 21 facing the voids 18, 19. The opening penetrates in the first direction and is continuous with the corresponding void. The cross-sectional shape of the opening in the first direction has the same size and shape as the cross-sectional shape of the corresponding void in the first direction.
【0026】スペーサ20の単位体17u,17w側と
は反対側の第1方向の断面には防塵カバー22が設けら
れている。防塵カバー22は、外部から空隙18内に侵
入する塵埃などを一次側10の第1方向の両端部におい
て食い止める手段である。防塵カバー22は、柔軟性を
有する部材、例えばゴムなどから形成された成形品であ
り、スペーサ20の第1方向の断面形状と同一体格,同
一形状の薄いシート状部材である。A dustproof cover 22 is provided on the cross section of the spacer 20 in the first direction on the side opposite to the unit bodies 17u, 17w side. The dust-proof cover 22 is a means for stopping dust and the like from entering the void 18 from the outside at both ends of the primary side 10 in the first direction. The dust cover 22 is a molded member formed of a flexible member such as rubber, and is a thin sheet-shaped member having the same physical shape and shape as the cross-sectional shape of the spacer 20 in the first direction.
【0027】防塵カバー22の開口部20aとの対向部
分には開口部22aが形成されている。開口部22aは
第1方向に貫通しており、開口部20aと連続してい
る。開口部22aの第1方向の断面形状は開口部20a
の第1方向の断面形状と同一形状になっている。開口部
22aの第1方向の断面積は開口部20aの第1方向の
断面積よりも小さく、後述する二次側30の外表面に接
触可能な大きさで形成されている。An opening 22a is formed at a portion of the dust cover 22 facing the opening 20a. The opening 22a penetrates in the first direction and is continuous with the opening 20a. The cross-sectional shape of the opening 22a in the first direction is the opening 20a.
Has the same shape as the cross-sectional shape in the first direction. The cross-sectional area of the opening 22a in the first direction is smaller than the cross-sectional area of the opening 20a in the first direction, and is formed in such a size that it can contact the outer surface of the secondary side 30 described later.
【0028】防塵カバー22の開口部20bとの対向部
分には開口部22bが形成されている。開口部22bは
第1方向に貫通しており、開口部20bと連続してい
る。開口部22bの第1方向の断面形状は開口部20b
の第1方向の断面形状と同一体格,同一形状になってい
る。An opening 22b is formed at a portion of the dust cover 22 facing the opening 20b. The opening 22b penetrates in the first direction and is continuous with the opening 20b. The cross-sectional shape of the opening 22b in the first direction is the opening 20b.
Has the same size and shape as the cross-sectional shape in the first direction.
【0029】防塵カバー22のスペーサ20側とは反対
側の第1方向の断面には固定用部材23が設けられてい
る。固定用部材23は、一次側10を第1方向の両端か
ら固定するボルト・ナットなどの締付力を用いて防塵カ
バー22をスペーサ20の第1方向の断面に固定する手
段である。固定用部材23は、スペーサ20と同様の部
材から形成された成形品であり、スペーサ20の第1方
向の断面形状と同一体格,同一形状の板状部材である。A fixing member 23 is provided on a cross section of the dustproof cover 22 opposite to the spacer 20 in the first direction. The fixing member 23 is a means for fixing the dustproof cover 22 to the cross section of the spacer 20 in the first direction by using a tightening force such as a bolt and a nut for fixing the primary side 10 from both ends in the first direction. The fixing member 23 is a molded product formed of the same member as the spacer 20, and is a plate-shaped member having the same size and shape as the cross-sectional shape of the spacer 20 in the first direction.
【0030】固定用部材23の開口部22aとの対向部
分には開口部23aが形成されている。開口部23aは
第1方向に貫通しており、開口部22aと連続してい
る。開口部23aの第1方向の断面形状は開口部22a
の第1方向の断面形状と同一形状になっている。開口部
22aの第1方向の断面積は開口部22aの第1方向の
断面積よりも大きい。また、開口部22aの第1方向の
断面積は開口部20aの第1方向の断面積と同一であ
る。An opening 23a is formed in a portion of the fixing member 23 facing the opening 22a. The opening 23a penetrates in the first direction and is continuous with the opening 22a. The cross-sectional shape of the opening 23a in the first direction is the opening 22a.
Has the same shape as the cross-sectional shape in the first direction. The cross-sectional area of the opening 22a in the first direction is larger than the cross-sectional area of the opening 22a in the first direction. The cross-sectional area of the opening 22a in the first direction is the same as the cross-sectional area of the opening 20a in the first direction.
【0031】固定用部材23の開口部22bとの対向部
分には開口部23bが形成されている。開口部23bは
第1方向に貫通しており、開口部22bと連続してい
る。開口部23bの第1方向の断面形状は開口部22b
の第1方向の断面形状と同一体格,同一形状になってい
る。An opening 23b is formed in a portion of the fixing member 23 facing the opening 22b. The opening 23b penetrates in the first direction and is continuous with the opening 22b. The cross-sectional shape of the opening 23b in the first direction is the opening 22b.
Has the same size and shape as the cross-sectional shape in the first direction.
【0032】スペーサ20,防塵カバー22,固定用部
材23を含む単位体17u,17w及びスペーサ21を
含む単位体17vには巻線24,25が装着されてい
る。巻線24は、磁極片11b,12cの第3方向の外
方側と空隙19との間を第1方向に行き来するように装
着されている。巻線25は、磁極片11b,12cの第
3方向の外方側と空隙19との間を磁極配列方向に行き
来するように装着されている。巻線24,25は、導電
性を有する部材、例えば銅などからなる線材が複数巻か
れて形成されたものであり、絶縁部材が巻かれて或いは
絶縁部材を介して単位体17u,17v,17wに装着
されている。Windings 24 and 25 are attached to the unit bodies 17u and 17w including the spacer 20, the dustproof cover 22, the fixing member 23 and the unit body 17v including the spacer 21. The winding wire 24 is mounted so as to travel back and forth in the first direction between the outer side of the pole pieces 11b and 12c in the third direction and the gap 19. The winding 25 is mounted so as to travel back and forth between the outer sides of the magnetic pole pieces 11b and 12c in the third direction and the gap 19 in the magnetic pole arrangement direction. The windings 24, 25 are formed by winding a plurality of wire members made of a conductive material, for example, copper, and are wound with an insulating member or via the insulating members 17u, 17v, 17w. Is attached to.
【0033】開口部20a,22a,23a及びスペーサ
21に形成された開口部を含む空隙18内には二次側3
0が配置されている。二次側30は、開口部20a,2
2a,23a及びスペーサ21に形成された開口部を含
む空隙18内を第1方向の両方向に可動するものであ
り、可動部材31及び永久磁石32から構成されてい
る。可動部材31の第1方向の一方端には、前述した被
駆動体が連結されている。In the space 18 including the openings 20a, 22a, 23a and the openings formed in the spacer 21, the secondary side 3 is formed.
0 is placed. The secondary side 30 has openings 20a, 2
The movable member 31 and the permanent magnet 32 are configured to be movable in both directions of the first direction in the space 18 including the openings formed in the spacers 21 and 2a and 23a. The driven body described above is connected to one end of the movable member 31 in the first direction.
【0034】可動部材31は、非磁性材、例えばステン
レス鋼,プラスチックなどから形成された成形品であ
り、マグネットケース31a及びガイド31bから構成
されている。可動部材31の第1方向の断面形状は空隙
18の第1方向の断面形状と同一形状のH字状になって
いる。可動部材31の第1方向の断面積は空隙18の第
1方向の断面積よりも小さい。また、可動部材31の第
1方向の断面積は防塵カバー22と摺動接触が可能な大
きさになっている。The movable member 31 is a molded product formed of a non-magnetic material such as stainless steel or plastic, and is composed of a magnet case 31a and a guide 31b. The cross-sectional shape of the movable member 31 in the first direction is H-shaped, which is the same as the cross-sectional shape of the void 18 in the first direction. The cross-sectional area of the movable member 31 in the first direction is smaller than the cross-sectional area of the void 18 in the first direction. Further, the cross-sectional area of the movable member 31 in the first direction is large enough to make sliding contact with the dustproof cover 22.
【0035】マグネットケース31aは第1方向に延び
ており、一次側10の第1方向の長さよりも長く、開口
部20a,22a,23a及びスペーサ21に形成され
た開口部を含む空隙18から第1方向の両方向に突出し
ている。マグネットケース31aは板面形状が矩形状の
板状部材であり、磁極片11b,12bと磁極片11
c,12cとの対向部分と板面が対向している。マグネ
ットケース31aには、永久磁石32を保持する保持部
が複数形成されている。マグネットケース31aに形成
された保持部は第1方向に複数配列されており、保持さ
れた永久磁石32が磁極片11b,12bと磁極片11
c,12cとの対向部分側(第2方向の両方向)に露出
するように構成されている。The magnet case 31a extends in the first direction, is longer than the length of the primary side 10 in the first direction, and extends from the void 18 including the openings formed in the openings 20a, 22a, 23a and the spacer 21. It projects in both directions of one direction. The magnet case 31a is a plate-shaped member having a rectangular plate surface, and is composed of the magnetic pole pieces 11b and 12b and the magnetic pole piece 11.
The plate surface is opposed to the portion facing c and 12c. A plurality of holding portions that hold the permanent magnets 32 are formed in the magnet case 31a. A plurality of holding portions formed on the magnet case 31a are arranged in the first direction, and the held permanent magnets 32 are used to hold the magnetic pole pieces 11b and 12b and the magnetic pole pieces 11.
It is configured to be exposed on the side facing the c and 12c (both directions in the second direction).
【0036】マグネットケース31aの第3方向の両端
部にはガイド31bが固定されている。ガイド31b
は、マグネットケース31aの保持部に永久磁石32を
保持した状態でマグネットケース31aの第2方向の両
端部をへこみ部分で挟持している。ガイド31bは第1
方向の断面形状が凹状の縁部材であり、マグネットケー
ス31aに沿って第1方向に延びている。ガイド31b
は、空隙18の第3方向の両端部に配置される部分であ
り、第2方向の厚みがマグネットケース31aの第2方
向の板厚よりも大きい。Guides 31b are fixed to both ends of the magnet case 31a in the third direction. Guide 31b
Holds the permanent magnet 32 in the holding portion of the magnet case 31a, and sandwiches both ends of the magnet case 31a in the second direction with the recessed portions. Guide 31b is first
The edge member has a concave cross-sectional shape in the direction, and extends in the first direction along the magnet case 31a. Guide 31b
Are portions arranged at both ends of the void 18 in the third direction, and the thickness in the second direction is larger than the plate thickness in the second direction of the magnet case 31a.
【0037】永久磁石32は、コバルト,ネオジウム,
ボロンなどの希土類系の材料から形成されたものであ
る。永久磁石32は、板面形状が矩形となるように板状
に成形されている。永久磁石32は、第1方向に極性
(N極,S極)が交互になるようにマグネットケース3
1aに保持されている。これにより、永久磁石32は、
第2方向の両方向に露出すると共に、第1方向に極性
(N極,S極)が交互になるようにマグネットケース3
1aに複数配列される。また、第1方向に隣接する永久
磁石32間には、マグネットケース31aの一部分であ
る非磁性部材が介在している。The permanent magnet 32 is made of cobalt, neodymium,
It is formed from a rare earth material such as boron. The permanent magnet 32 is formed in a plate shape so that the plate surface has a rectangular shape. The permanent magnet 32 has a magnet case 3 such that the polarities (N pole, S pole) alternate in the first direction.
1a. As a result, the permanent magnet 32 is
The magnet case 3 is exposed in both directions of the second direction and has alternating polarities (N pole, S pole) in the first direction.
A plurality are arranged in 1a. A non-magnetic member that is a part of the magnet case 31a is interposed between the permanent magnets 32 that are adjacent to each other in the first direction.
【0038】スペーサ20の第3方向の中央部、かつマ
グネットケース31aの第2方向の上側との対向部分に
は連通孔20dが穿設されている。スペーサ20の第3
方向の両端部、かつガイド31bの第2方向の上側との
対向部分及びガイド31bの第3方向との対向部分には
連通孔20c,20e,20f,20gが穿設されてい
る。連通孔20c,20d,20e,20f,20g
は、開口部20aを含む空隙18と外部とを連通してい
る。A communication hole 20d is formed in a central portion of the spacer 20 in the third direction and in a portion facing the upper side of the magnet case 31a in the second direction. Third of the spacer 20
Communication holes 20c, 20e, 20f, 20g are formed at both end portions in the direction, and the facing portion of the guide 31b with the upper side in the second direction and the facing portion of the guide 31b with the third direction. Communication holes 20c, 20d, 20e, 20f, 20g
Communicates the void 18 including the opening 20a with the outside.
【0039】連通孔20cには、気体状媒体供給手段に
接続された気体状媒体送給手段26が接続されている。
連通孔20cは、気体状媒体送給手段26を介して気体
状媒体供給手段から供給された気体状媒体を、開口部2
0aを含む空隙18に導入する気体状媒体導入手段であ
る。連通孔20d,20e,20f,20gは、開口部
20aを含む空隙18に導入された気体状媒体を外部に
排出する気体状媒体排出手段である。A gaseous medium feeding means 26 connected to the gaseous medium feeding means is connected to the communication hole 20c.
The communication hole 20 c allows the opening of the gaseous medium supplied from the gaseous medium supply means via the gaseous medium supply means 26.
It is a gaseous medium introduction means introduced into the void 18 containing 0a. The communication holes 20d, 20e, 20f, 20g are gaseous medium discharging means for discharging the gaseous medium introduced into the void 18 including the opening 20a to the outside.
【0040】気体状媒体としては、気体状媒体供給手段
でありかつ気体状媒体貯蔵手段である空気ボンベ或いは
空気タンクに封入された空気を供給している。気体状媒
体送給手段26は、柔軟性を有する部材、例えばゴム或
いはプラスチックから形成された管状部材であるホース
26aと、ホース26aと連通孔20cとを接続する接
続部材26bから構成されている。As the gaseous medium, air enclosed in an air cylinder or an air tank which is a gaseous medium supply means and a gaseous medium storage means is supplied. The gaseous medium feeding means 26 is composed of a flexible member, for example, a hose 26a which is a tubular member formed of rubber or plastic, and a connecting member 26b which connects the hose 26a and the communication hole 20c.
【0041】次に、本実施例の駆動装置100の動作に
ついて説明する。巻線24,25に励磁電流が流れる
と、磁極片11b,12cがN極、磁極片11c,12
bがS極となり、磁界が形成され、磁極11,12には
磁束が発生する。磁極11に発生した磁束は、磁極片1
1cから磁極片11aを介して磁極片11bに流れ、磁
極片11bと磁極片11cとの間の空隙を磁極片11b
から磁極片11cに永久磁石32のS極,N極を貫いて
流れる。すなわち磁束は第2方向を一方向(上から下)
に向って流れる。Next, the operation of the driving device 100 of this embodiment will be described. When an exciting current flows through the windings 24 and 25, the magnetic pole pieces 11b and 12c are N poles and the magnetic pole pieces 11c and 12 are
b becomes an S pole, a magnetic field is formed, and a magnetic flux is generated in the magnetic poles 11 and 12. The magnetic flux generated in the magnetic pole 11 is generated by the magnetic pole piece 1.
1c to the magnetic pole piece 11b through the magnetic pole piece 11a, and the air gap between the magnetic pole piece 11b and the magnetic pole piece 11c forms a magnetic pole piece 11b.
Flows from the magnetic pole piece 11c through the S pole and N pole of the permanent magnet 32. That is, the magnetic flux is one direction in the second direction (from top to bottom)
Flows toward.
【0042】一方、磁極12に発生した磁束は、磁極片
12bから磁極片12aを介して磁極片12cに流れ、
磁極片12bと磁極片12cとの間の空隙を磁極片12
cから磁極片12bに永久磁石32のS極,N極を貫い
て流れる。すなわち磁束は第2方向を他方向(下から
上)に向って流れる。本実施例では、磁極11,12が
交互に第1方向に配列されているので、空隙18を第2
方向に流れる磁束の流れ方向が交互に反対になる。On the other hand, the magnetic flux generated in the magnetic pole 12 flows from the magnetic pole piece 12b to the magnetic pole piece 12c via the magnetic pole piece 12a,
The air gap between the pole piece 12b and the pole piece 12c is defined by the pole piece 12
The current flows from c to the pole piece 12b through the S pole and N pole of the permanent magnet 32. That is, the magnetic flux flows in the second direction in the other direction (from bottom to top). In this embodiment, since the magnetic poles 11 and 12 are alternately arranged in the first direction, the gap 18 is formed in the second direction.
The flow directions of the magnetic fluxes flowing in the opposite directions are alternately opposite.
【0043】本実施例によれば、上述のように磁束が流
れるので、有効磁束が流れる磁気回路の磁路の長さが短
くなると共に、磁気抵抗が小さくなり、有効磁束が増
え、漏れ磁束が少なくなる。According to this embodiment, since the magnetic flux flows as described above, the length of the magnetic path of the magnetic circuit through which the effective magnetic flux flows becomes shorter, the magnetic resistance becomes smaller, the effective magnetic flux increases, and the leakage magnetic flux increases. Less.
【0044】二次側30は永久磁石32から磁束を発生
している。一次側10で発生した磁束と二次側30で発
生した磁束との相互作用によって空隙18には吸引力が
発生する。二次側30は、吸引力の第2方向の成分によ
って空隙18中に保持されると共に、吸引力の第1方向
の成分が推進力となって空隙18内を第1方向の両方向
に相対移動する。A magnetic flux is generated from the permanent magnet 32 on the secondary side 30. An attractive force is generated in the air gap 18 by the interaction between the magnetic flux generated on the primary side 10 and the magnetic flux generated on the secondary side 30. The secondary side 30 is retained in the gap 18 by the component of the suction force in the second direction, and the component of the suction force in the first direction serves as a driving force to relatively move in the gap 18 in both directions in the first direction. To do.
【0045】本実施例によれば、二次側30の第2方向
の一方側と対向する磁極片から二次側30までの距離、
二次側30の第2方向の他方側と対向する磁極片から二
次側30までの距離が等しい。このため、二次側30の
第2方向の一方側と対向する磁極片と二次側30との間
に作用する吸引力の大きさと、二次側30の第2方向の
他方側と対向する磁極片と二次側30との間に作用する
吸引力の大きさが等しく、吸引力の作用する方向が反対
になる。これにより、一次側10と二次側30との間の
全体の吸引力を零に相殺することができ、第2方向に対
向する磁極片と二次側30との間を吸引力を小さくする
ことができる。According to this embodiment, the distance from the pole piece facing one side of the secondary side 30 in the second direction to the secondary side 30,
The distance from the magnetic pole piece facing the other side of the secondary side 30 in the second direction to the secondary side 30 is equal. For this reason, the magnitude of the attractive force acting between the secondary side 30 and the magnetic pole piece facing the one side of the secondary side 30 in the second direction, and the magnitude of the attraction force that opposes the other side of the secondary side 30 in the second direction. The attraction forces acting between the pole pieces and the secondary side 30 are equal in magnitude, and the directions in which the attraction forces act are opposite. As a result, the overall attractive force between the primary side 10 and the secondary side 30 can be offset to zero, and the attractive force between the magnetic pole pieces and the secondary side 30 facing each other in the second direction can be reduced. be able to.
【0046】一次側10に対して二次側30が相対移動
すると、空気ボンベ或いは空気タンクからホース26a
を介して空気が供給される。供給された空気は連通孔2
0cを介して空隙18内(空隙18と連続する開口部を
含む。これ以降の説明では単に空隙18と記述する)に
導かれ、空隙18内を加圧する。この加圧により、空隙
18内の圧力が外部の圧力よりも高くなり、一次側10
に形成された隙間、例えば空隙18の第1方向の両端の
開口部、磁極11を第1方向の両側から挟む磁極12
間、磁極12を第1方向の両側から挟む磁極11間など
から空隙18内に侵入しようとする塵埃、二次側30に
付着した塵埃などの侵入物の空隙18内への侵入を防ぐ
ことができる。When the secondary side 30 moves relative to the primary side 10, the hose 26a is removed from the air cylinder or air tank.
Air is supplied through the. The supplied air is the communication hole 2
0c is introduced into the void 18 (including an opening continuous with the void 18; simply referred to as the void 18 in the following description) to pressurize the void 18. Due to this pressurization, the pressure inside the void 18 becomes higher than the pressure outside, and the primary side 10
A gap formed in, for example, openings at both ends of the air gap 18 in the first direction, the magnetic pole 12 sandwiching the magnetic pole 11 from both sides in the first direction.
During this period, it is possible to prevent intrusion of intruding substances into the space 18, such as dust that tries to enter the space 18 from between the magnetic poles 11 that sandwich the magnetic pole 12 from both sides in the first direction, and dust that adheres to the secondary side 30. it can.
【0047】また、二次側30と接触する防塵カバー2
2によって、空隙18の第1方向の両端の開口部から空
隙18内に侵入しようとする塵埃、二次側30に付着し
た塵埃などの侵入物の空隙18内への侵入を防ぐことが
でき、侵入防止効果をさらに向上させることができる。Further, the dustproof cover 2 which comes into contact with the secondary side 30
By 2, it is possible to prevent the invasion of invading substances such as dust trying to enter the void 18 from the openings at both ends of the void 18 in the first direction and dust adhering to the secondary side 30, The intrusion prevention effect can be further improved.
【0048】また、空隙18内に導かれた空気によって
空隙18内には気流が生じる。この気流により、空隙1
8内に侵入した塵埃などの侵入物を空隙18内から外部
に一次側10に形成された隙間、例えば連通孔20c,
20e,20f,20g、空隙18の第1方向の両端の
開口部、磁極11を第1方向の両側から挟む磁極12
間、磁極12を第1方向の両側から挟む磁極11間など
を介して排出することができる。Further, an air flow is generated in the void 18 by the air introduced into the void 18. By this air flow, void 1
Dust or other intruding material that has entered the inside 8 from the inside of the void 18 to the outside is formed in the gap on the primary side 10, for example, the communication hole 20c,
20e, 20f, 20g, openings at both ends of the air gap 18 in the first direction, and magnetic poles 12 sandwiching the magnetic pole 11 from both sides in the first direction.
, The magnetic pole 12 can be discharged through the magnetic poles 11 sandwiching the magnetic pole 12 from both sides in the first direction.
【0049】また、空隙18内に生じた気流により、巻
線24,25を冷却することができる。すなわち巻線2
4,25が発熱すると、その発熱は磁極11,12に熱
伝達され、一部は磁極11,12から外部に、一部は磁
極11,12から空隙18内に放出される。従って、空
隙18内に気流が生じることにより、空隙18内に放出
された巻線24,25の発熱を外部に放出することがで
き、巻線24,25を冷却することができる。また、気
流は、磁極11を第1方向の両側から挟む磁極12間、
磁極12を第1方向の両側から挟む磁極11間などの隙
間を介して巻線24,25側に流れ込む。これにより、
巻線24,25の外表面から放出された放熱を外部に放
出することができるので、巻線24,25を直接冷却す
ることができる。Further, the windings 24 and 25 can be cooled by the air flow generated in the space 18. Ie winding 2
When the heat is generated in the magnetic poles 4 and 25, the generated heat is transferred to the magnetic poles 11 and 12, and a part of the heat is radiated from the magnetic poles 11 and 12 to the outside and a part of the magnetic poles 11 and 12 is discharged into the air gap 18. Therefore, when the air flow is generated in the void 18, the heat generated by the windings 24, 25 released in the void 18 can be released to the outside, and the windings 24, 25 can be cooled. Further, the airflow is generated between the magnetic poles 12 that sandwich the magnetic pole 11 from both sides in the first direction,
The magnetic pole 12 flows into the windings 24 and 25 through a gap such as between the magnetic poles 11 sandwiching the magnetic pole 12 from both sides in the first direction. This allows
Since the heat radiation emitted from the outer surfaces of the windings 24 and 25 can be released to the outside, the windings 24 and 25 can be directly cooled.
【0050】また、連通孔20dを介して空気が空隙1
8内に導かれるが、このとき、空隙18内に導かれた空
気は、連通孔20dと対向するマグネットケース31a
に対して吹き付けられる。これにより、マグネットケー
ス31aに保持された永久磁石32を冷却することがで
きる。In addition, air is evacuated through the communication hole 20d.
8 is guided to the inside of the air gap 8. At this time, the air guided to the inside of the space 18 is magnet case 31a facing the communication hole 20d.
Sprayed against. As a result, the permanent magnet 32 held in the magnet case 31a can be cooled.
【0051】以上説明した本実施例によれば、塵埃など
の侵入物の空隙18内への侵入を防止することができる
と共に、空隙18内に侵入した塵埃などの侵入物を空隙
18内から外部に排出することができる防塵機能を備え
た駆動装置を提供することができる。従って、本実施例
によれば、駆動装置を定期的に分解して清掃するなどの
保守・管理、いわゆるメンテナンスの回数を減らし、駆
動装置のメンテナンスの省力化を図ることができる。According to the present embodiment described above, it is possible to prevent the intrusion of dust or other intruding material into the void 18, and the dust or other intruding material that has entered the void 18 is discharged from the void 18 to the outside. It is possible to provide a drive device having a dustproof function that can be discharged to the inside. Therefore, according to the present embodiment, it is possible to reduce the number of times of maintenance and management such as periodical disassembly and cleaning of the drive unit, so-called maintenance, and labor saving of the drive unit.
【0052】また、本実施例によれば、巻線24,25
及び永久磁石32を冷却することができる冷却機能を備
えた駆動装置を提供することができる。従って、本実施
例によれば、駆動装置の冷却性能を向上させることがで
きる。Further, according to this embodiment, the windings 24, 25
Further, it is possible to provide a drive device having a cooling function capable of cooling the permanent magnet 32. Therefore, according to this embodiment, the cooling performance of the drive device can be improved.
【0053】尚、本実施例では、気体状媒体として空気
を例にとり説明したが、気体状媒体供給手段でありかつ
気体状媒体貯蔵手段であるガスボンベ或いはガスタンク
に封入されたガスであってもよい。ガスとしては、冷却
効果があり、人体や環境に悪影響を及ぼすことのないも
のが好ましい。In the present embodiment, air has been described as an example of the gaseous medium, but it may be gas enclosed in a gas cylinder or a gas tank which is a gaseous medium supply means and a gaseous medium storage means. . It is preferable that the gas has a cooling effect and does not adversely affect the human body or the environment.
【0054】また、本実施例では、気体状媒体供給手段
として空気ボンベ或いは空気タンクを例にとり説明した
が、二次側30によって駆動される被駆動体の動作で気
体状媒体を発生する気体状媒体発生手段、例えば空気又
はガスを圧縮する圧縮装置を用いてもよい。In this embodiment, an air cylinder or an air tank has been described as an example of the gaseous medium supply means, but a gaseous medium for generating a gaseous medium by the operation of the driven body driven by the secondary side 30 is used. A medium generating means such as a compression device for compressing air or gas may be used.
【0055】また、本実施例では、気体状媒体送給手段
26の管状部材としてホース26aを例にとり説明した
が、金属製或いはプラスチック製のパイプなどを用いて
もよい。Further, in the present embodiment, the hose 26a has been described as an example of the tubular member of the gaseous medium feeding means 26, but a metal or plastic pipe or the like may be used.
【0056】また、本実施例では、可動部材31が一次
側10の第1方向の長さよりも長い場合を例にとり説明
したが、可動部材31が一次側10の第1方向の長さよ
りも短い場合もある。In the present embodiment, the case where the movable member 31 is longer than the length of the primary side 10 in the first direction has been described as an example, but the movable member 31 is shorter than the length of the primary side 10 in the first direction. In some cases.
【0057】また、本実施例では、気体状媒体送給手段
26を連通孔20dに接続した場合を例にとり説明した
が、連通孔20c,20e,20f,20gのいずれか
に接続されてもよい。In the present embodiment, the case where the gaseous medium feeding means 26 is connected to the communication hole 20d has been described as an example, but it may be connected to any of the communication holes 20c, 20e, 20f and 20g. .
【0058】また、本実施例では、一次側10の第1方
向の両端に配列されたスペーサ20を介して気体状媒体
を空隙18内に取り込んだ場合を例にとり説明したが、
単位体17u,17v間及び17v,17w間に配列さ
れたスペーサ21を介して気体状媒体を空隙18内に取
り込んでもよい。In the present embodiment, the case where the gaseous medium is taken into the space 18 through the spacers 20 arranged at both ends of the primary side 10 in the first direction has been described as an example.
The gaseous medium may be taken into the void 18 via the spacers 21 arranged between the unit bodies 17u and 17v and between the unit bodies 17v and 17w.
【0059】また、空隙18内に気体状媒体を取り込む
箇所としては、一次側10に形成された隙間などを利用
してもよい。例えば磁極11を第1方向の両側から挟む
磁極12間、磁極12を第1方向の両側から挟む磁極1
1間に形成される隙間から気体状媒体を空隙18内に取
り込むことができる。尚、磁極11を第1方向の両側か
ら挟む磁極12間、磁極12を第1方向の両側から挟む
磁極11間に形成された隙間にエポキシ樹脂などを注入
したり、一次側10全体をエポキシ樹脂などでモールド
したりする場合がある。このような場合は、エポキシ樹
脂の注入或いはエポキシ樹脂によるモールドの際、管状
部材を埋め込んでおいたりすることによって外部と空隙
18とを連通させておくことにより、気体状媒体を空隙
18内に取り込むことができる。Further, as a place for taking the gaseous medium into the void 18, a gap formed on the primary side 10 or the like may be used. For example, between the magnetic poles 12 that sandwich the magnetic pole 11 from both sides in the first direction, and between the magnetic poles 1 that sandwich the magnetic pole 12 from both sides in the first direction.
The gaseous medium can be taken into the void 18 through the gap formed between the two. It should be noted that epoxy resin or the like is injected into a gap formed between the magnetic poles 12 sandwiching the magnetic pole 11 from both sides in the first direction, a gap formed between the magnetic poles 11 sandwiching the magnetic pole 12 from both sides in the first direction, or the entire primary side 10 is epoxy resin. There is a case to mold with. In such a case, when the epoxy resin is injected or the epoxy resin is molded, the tubular member is embedded so that the outside and the void 18 are communicated with each other, so that the gaseous medium is taken into the void 18. be able to.
【0060】本発明の第2実施例である駆動装置を図
7,図8に基づいて説明する。本実施例の駆動装置20
0は、一次側10と二次側30とが相対運動、具体的に
は二次側30に対して一次側10が往復運動するリニア
モータである。本実施例の駆動装置200は、例えばエ
レベータのドア,搬送装置のテーブルなどの直線運動す
る被駆動体の駆動源として用いられる。A drive device according to a second embodiment of the present invention will be described with reference to FIGS. 7 and 8. Drive device 20 of the present embodiment
Reference numeral 0 is a linear motor in which the primary side 10 and the secondary side 30 move relative to each other, specifically, the primary side 10 reciprocates with respect to the secondary side 30. The drive device 200 according to the present embodiment is used as a drive source for a linearly driven object such as an elevator door or a table of a transfer device.
【0061】ここで、一次側10は二次側30に対して
可動しているので、可動子と呼ばれる場合もある。二次
側30は一次側10に対して静止しているので、固定子
と呼ばれる場合もある。従って、可動部材31は固定部
材31と呼ばれる。また、本実施例では、一次側10が
可動するのでベースは省略されている。尚、本実施例の
説明においては、前例と異なる部分についてのみ説明す
る。Since the primary side 10 is movable with respect to the secondary side 30, it may be called a mover. Since the secondary side 30 is stationary with respect to the primary side 10, it is sometimes called a stator. Therefore, the movable member 31 is called the fixed member 31. Further, in the present embodiment, the base is omitted because the primary side 10 is movable. In the description of this embodiment, only parts different from the previous example will be described.
【0062】本実施例の駆動装置200は、気体状媒体
供給手段としてスペーサ20の連通孔20c,20eに
ダクト27を接続している。ダクト27は、一次側10
の駆動によって外気を得る気体状媒体取得手段であり、
外観形状がエルボ状の金属製或いはプラスチック製の円
管状部材である。In the drive unit 200 of this embodiment, the duct 27 is connected to the communication holes 20c and 20e of the spacer 20 as the gaseous medium supply means. The duct 27 has the primary side 10
Is a gaseous medium acquisition means for obtaining outside air by driving
The outer tubular shape is an elbow-shaped metal or plastic cylindrical member.
【0063】ダクト27の先端部分は先端に向うにした
がって徐々に径が広がっている。すなわちダクト27の
先端部分は末広がり状に形成されている。ダクト25の
開口方向はそれぞれ異なっている。すなわちスペーサ2
0においてダクト27の一方は第1方向の一方側に開口
しており、ダクト27の他方は第1方向の他方側に開口
している。The diameter of the tip portion of the duct 27 gradually widens toward the tip. That is, the tip portion of the duct 27 is formed so as to widen toward the end. The opening direction of the duct 25 is different. Ie spacer 2
At 0, one side of the duct 27 is open to one side in the first direction, and the other side of the duct 27 is open to the other side in the first direction.
【0064】このように構成された本実施例では、一次
側10で発生した磁束と二次側30で発生した磁束との
相互作用によって発生する吸引力によって、一次側10
が二次側30に対して第1方向の両方向に相対移動す
る。この相対移動により、ダクト27は外気を取り込
む。取り込まれた外気は連通孔20c,20eを介して
空隙18内に導かれ、空隙18内を加圧し、前例と同様
に、塵埃などの侵入物の空隙18内への侵入を防止す
る。In the present embodiment thus constructed, the attraction force generated by the interaction between the magnetic flux generated on the primary side 10 and the magnetic flux generated on the secondary side 30 causes the primary side 10
Moves relative to the secondary side 30 in both the first direction. Due to this relative movement, the duct 27 takes in outside air. The outside air taken in is introduced into the void 18 through the communication holes 20c and 20e, pressurizes the void 18, and prevents invading substances such as dust from entering the void 18, as in the previous example.
【0065】また、空隙18内に導かれた外気によって
空隙18内に気流が生じ、前例と同様に、塵埃などの侵
入物の空隙18内への侵入を防止する。また、空隙18
内に生じた気流によって、前例と同様に、巻線24,2
5及び永久磁石32が冷却される。Further, the outside air introduced into the void 18 generates an air flow in the void 18, which prevents intrusion of intruding substances such as dust into the void 18, as in the previous example. In addition, the void 18
Due to the air flow generated inside, the windings 24, 2 are
5 and the permanent magnet 32 are cooled.
【0066】本実施例によれば、前例と同様に、防塵機
能及び冷却機能を備えた駆動装置を提供することができ
るので、駆動装置のメンテナンスの省力化及び冷却性能
の向上を図ることができる。According to the present embodiment, as in the previous example, it is possible to provide the drive device having the dustproof function and the cooling function, so that the maintenance of the drive device can be saved and the cooling performance can be improved. .
【0067】尚、本実施例では、気体状媒体供給手段と
して一次側10の駆動によって外気を得る気体状媒体取
得手段を例にとり説明したが、前例で述べた空気ボンベ
或いは空気タンク又はガスボンベ或いはガスタンクを用
いてもよい。また、気体状媒体供給手段として、一次側
10によって駆動される被駆動体の動作で気体状媒体を
発生する気体状媒体発生手段、例えば空気又はガスを圧
縮する圧縮装置を用いてもよい。In the present embodiment, as the gaseous medium supply means, the gaseous medium acquisition means for obtaining the outside air by driving the primary side 10 has been described as an example, but the air cylinder or the air tank or the gas cylinder or the gas tank described in the previous example is described. May be used. Further, as the gaseous medium supply means, a gaseous medium generation means for generating a gaseous medium by the operation of the driven body driven by the primary side 10, for example, a compression device for compressing air or gas may be used.
【0068】また、本実施例では、ダクト27を連通孔
20c,20eに接続した場合を例にとり説明したが、
連通孔20d,20f,20gのいずれかに接続されて
もよい。In the present embodiment, the case where the duct 27 is connected to the communication holes 20c and 20e has been described as an example.
It may be connected to any of the communication holes 20d, 20f, 20g.
【0069】また、本実施例では、一次側10の第1方
向の両端に配列されたスペーサ20を介して気体状媒体
を空隙18内に取り込んだ場合を例にとり説明したが、
単位体17u,17v間及び17v,17w間に配列さ
れたスペーサ21を介して気体状媒体を空隙18内に取
り込んでもよい。In the present embodiment, the case where the gaseous medium is taken into the space 18 via the spacers 20 arranged at both ends of the primary side 10 in the first direction has been described as an example.
The gaseous medium may be taken into the void 18 via the spacers 21 arranged between the unit bodies 17u and 17v and between the unit bodies 17v and 17w.
【0070】また、空隙18内に気体状媒体を取り込む
箇所としては、一次側10に形成された隙間などを利用
してもよい。例えば磁極11を磁極配列方向の両側から
挟む磁極12間、磁極12を磁極配列方向の両側から挟
む磁極11間に形成される隙間から気体状媒体を空隙1
8内に取り込むことができる。尚、磁極11を磁極配列
方向の両側から挟む磁極12間、磁極12を磁極配列方
向の両側から挟む磁極11間に形成された隙間にエポキ
シ樹脂などを注入したり、一次側10全体をエポキシ樹
脂などでモールドしたりする場合がある。このような場
合は、エポキシ樹脂の注入或いはエポキシ樹脂によるモ
ールドの際、管状部材を埋め込んでおいたりすることに
よって外部と空隙18とを連通させておくことにより、
気体状媒体を空隙18内に取り込むことができる。Further, as a place for taking the gaseous medium into the void 18, a gap formed on the primary side 10 or the like may be used. For example, the gaseous medium is emptied from a gap formed between the magnetic poles 12 sandwiching the magnetic pole 11 from both sides in the magnetic pole arrangement direction and between the magnetic poles 11 sandwiching the magnetic pole 12 from both sides in the magnetic pole arrangement direction.
8 can be incorporated. It should be noted that epoxy resin or the like is injected into a gap formed between the magnetic poles 12 sandwiching the magnetic pole 11 from both sides in the magnetic pole arrangement direction, or a gap formed between the magnetic poles 11 sandwiching the magnetic pole 12 from both sides in the magnetic pole arrangement direction, or the entire primary side 10 is epoxy resin. There is a case to mold with. In such a case, at the time of injecting the epoxy resin or molding with the epoxy resin, by embedding a tubular member or the like to make the outside communicate with the void 18,
A gaseous medium can be entrapped within the void 18.
【0071】[0071]
【発明の効果】以上説明した本発明によれば、防塵機能
及び冷却機能を兼ね備えた駆動装置を提供することがで
きるので、駆動装置の保守・管理、いわゆるメンテナン
スの省力化及び冷却性能の向上を図ることができる。According to the present invention described above, since it is possible to provide a drive unit having both a dustproof function and a cooling function, maintenance / management of the drive unit, so-called labor saving of maintenance and improvement of cooling performance can be achieved. Can be planned.
【図1】本発明の第1実施例である駆動装置の外観構成
を示す斜視図である。FIG. 1 is a perspective view showing an external configuration of a drive device that is a first embodiment of the present invention.
【図2】図1の一部分を拡大した拡大斜視図である。FIG. 2 is an enlarged perspective view in which a part of FIG. 1 is enlarged.
【図3】図1のIII−III矢視断面図である。3 is a sectional view taken along the line III-III of FIG.
【図4】図1のIV−IV矢視断面図である。FIG. 4 is a sectional view taken along the line IV-IV in FIG.
【図5】本発明の第1実施例の磁極における磁束の流れ
を示す図である。FIG. 5 is a diagram showing the flow of magnetic flux in the magnetic poles of the first embodiment of the present invention.
【図6】本発明の第1実施例の磁極を形成する磁性部材
の構成を示す平面図である。FIG. 6 is a plan view showing a configuration of a magnetic member forming a magnetic pole according to the first embodiment of the present invention.
【図7】本発明の第2実施例である駆動装置の外観構成
を示す斜視図である。FIG. 7 is a perspective view showing an external configuration of a drive device that is a second embodiment of the present invention.
【図8】図7のVIII−VIII矢視断面図である。8 is a sectional view taken along the line VIII-VIII in FIG.
10…一次側、11,12…磁極、13,14…磁性部
材、15…ベース、16,20,21…スペーサ、17
u,17v,17w…単位体、18,19…空隙、22
…防塵カバー、23…固定用部材、24,25…巻線、
26…気体状媒体送給手段、27…ダクト、30…二次
側、31…可動部材、32…永久磁石、100,200
…駆動装置。10 ... Primary side, 11, 12 ... Magnetic pole, 13, 14 ... Magnetic member, 15 ... Base, 16, 20, 21 ... Spacer, 17
u, 17v, 17w ... Unit body, 18, 19 ... Void, 22
... Dustproof cover, 23 ... Fixing member, 24, 25 ... Winding,
26 ... Gaseous medium feeding means, 27 ... Duct, 30 ... Secondary side, 31 ... Movable member, 32 ... Permanent magnet, 100, 200
… Drive.
フロントページの続き (72)発明者 牧 晃司 茨城県日立市大みか町七丁目1番1号 株 式会社日立製作所日立研究所内 (72)発明者 諸岡 泰男 茨城県日立市大みか町七丁目1番1号 株 式会社日立製作所日立研究所内 (72)発明者 沼田 勇 茨城県日立市会瀬町二丁目9番1号 日立 設備エンジニアリング株式会社内 (72)発明者 田所 久男 茨城県日立市会瀬町二丁目9番1号 日立 設備エンジニアリング株式会社内 (72)発明者 森本 健郎 東京都千代田区神田駿河台四丁目6番地 株式会社日立製作所内 (72)発明者 三戸 康知 東京都千代田区神田駿河台四丁目6番地 株式会社日立製作所内 (72)発明者 上野 博司 茨城県日立市会瀬町二丁目9番1号 日立 設備エンジニアリング株式会社内 (72)発明者 嶋根 秀樹 茨城県日立市会瀬町二丁目9番1号 日立 設備エンジニアリング株式会社内 Fターム(参考) 5H609 BB08 BB18 PP02 PP09 QQ02 QQ03 QQ16 QQ18 RR27 RR31 RR46 5H641 BB06 BB14 GG02 GG04 GG08 HH03 JA02 JB04 JB08 Continued front page (72) Inventor Koji Maki 7-1-1, Omika-cho, Hitachi-shi, Ibaraki Prefecture Inside the Hitachi Research Laboratory, Hitachi Ltd. (72) Inventor Yasuo Morooka 7-1-1, Omika-cho, Hitachi-shi, Ibaraki Prefecture Inside the Hitachi Research Laboratory, Hitachi Ltd. (72) Inventor Isamu Numata Hitachi 9-2, Aise-cho, Hitachi City, Ibaraki Prefecture Equipment Engineering Co., Ltd. (72) Inventor Hisao Tadokoro Hitachi 9-2, Aise-cho, Hitachi City, Ibaraki Prefecture Equipment Engineering Co., Ltd. (72) Inventor Kenro Morimoto 4-6 Kanda Surugadai, Chiyoda-ku, Tokyo Within Hitachi, Ltd. (72) Inventor Yasuchi Mito 4-6 Kanda Surugadai, Chiyoda-ku, Tokyo Within Hitachi, Ltd. (72) Inventor Hiroshi Ueno Hitachi 9-2, Aise-cho, Hitachi City, Ibaraki Prefecture Equipment Engineering Co., Ltd. (72) Inventor Hideki Shimane Hitachi 9-2, Aise-cho, Hitachi City, Ibaraki Prefecture Equipment Engineering Co., Ltd. F term (reference) 5H609 BB08 BB18 PP02 PP09 QQ02 QQ03 QQ16 QQ18 RR27 RR31 RR46 5H641 BB06 BB14 GG02 GG04 GG08 HH03 JA02 JB04 JB08
Claims (39)
が一方向に連なって形成された空隙を有する一次側と、
磁性を有すると共に、前記空隙に配置された二次側と、
前記空隙内の圧力を外部の圧力よりも高くする加圧手段
とを有することを特徴とする駆動装置。1. A primary side, around which a winding is wound and which has an air gap in which opposing portions of magnetic poles are continuous in one direction,
While having magnetism, a secondary side arranged in the void,
A driving device, comprising: a pressurizing unit for increasing the pressure in the gap higher than the external pressure.
向する磁極片の対向方向の一方向に磁束を流す磁極、第
1方向に対向する磁極片の対向方向の他方向に磁束を流
す磁極が交互に配列され、前記各磁極の対向する磁極片
間によって前記磁極配列方向に貫通する空隙が形成され
た一次側と、磁性を有すると共に、前記空隙に配置され
た二次側と、前記空隙内の圧力を外部の圧力よりも高く
する加圧手段とを有することを特徴とする駆動装置。2. A magnetic pole, which is wound and has a magnetic flux flowing in one direction opposite to a pole piece facing in the first direction, and a magnetic flux flowing in another direction opposite to the pole piece facing in the first direction. Magnetic poles that flow through are alternately arranged, and a primary side in which a gap is formed between the opposite pole pieces of each of the magnetic poles that penetrates in the magnetic pole arrangement direction; and a secondary side that has magnetism and is arranged in the gap. And a pressurizing unit for increasing the pressure in the gap higher than the external pressure.
て、前記加圧手段は、前記空隙に気体状媒体を供給する
供給手段であることを特徴とする駆動装置。3. The drive device according to claim 1, wherein the pressurizing means is a supply means for supplying a gaseous medium to the void.
が一方向に連なって形成された空隙を有する一次側と、
磁性を有すると共に、前記空隙に配置された二次側と、
前記空隙に気体状媒体を供給する供給手段とを有するこ
とを特徴とする駆動装置。4. A primary side, around which a winding is wound and which has an air gap formed by facing portions of magnetic poles extending in one direction.
While having magnetism, a secondary side arranged in the void,
A drive unit for supplying a gaseous medium to the gap.
向する磁極片の対向方向の一方向に磁束を流す磁極、第
1方向に対向する磁極片の対向方向の他方向に磁束を流
す磁極が交互に配列され、前記各磁極の対向する磁極片
間によって前記磁極配列方向に貫通する空隙が形成され
た一次側と、磁性を有すると共に、前記空隙に配置され
た二次側と、前記空隙に気体状媒体を供給する供給手段
とを有することを特徴とする駆動装置。5. A magnetic pole which is wound and has a magnetic flux flowing in one direction of a magnetic pole piece facing the first direction, and a magnetic flux flowing in another direction of the magnetic pole piece facing the first direction. Magnetic poles that flow through are alternately arranged, and a primary side in which a gap is formed between the opposite pole pieces of each of the magnetic poles that penetrates in the magnetic pole arrangement direction; and a secondary side that has magnetism and is arranged in the gap. A drive unit for supplying a gaseous medium to the space.
置において、前記供給手段は、前記気体状媒体を蓄える
貯蔵手段と、該貯蔵手段から供給された気体状媒体を前
記空隙に導く導入手段とを有してなることを特徴とする
駆動装置。6. The drive device according to claim 3, wherein the supply means guides the storage means for storing the gaseous medium and the gaseous medium supplied from the storage means to the gap. A driving device comprising: an introducing unit.
置において、前記供給手段は、前記気体状媒体を発生さ
せる発生手段と、該発生手段から供給された気体状媒体
を前記空隙に導く導入手段とを有してなることを特徴と
する駆動装置。7. The driving device according to claim 3, wherein the supply unit generates the gaseous medium, and the gaseous medium supplied from the generating unit enters the gap. A drive device comprising: an introducing means for guiding.
置において、前記供給手段は、前記一次側の動作によっ
て前記気体状媒体を得る取得手段と、該取得手段から供
給された気体状媒体を前記空隙に導く導入手段とを有し
てなることを特徴とする駆動装置。8. The drive device according to claim 3, wherein the supply unit obtains the gaseous medium by the operation of the primary side, and the gaseous state supplied from the obtaining unit. A driving device comprising: an introducing unit that guides the medium into the space.
向する磁極片の対向方向の一方向に磁束を流す磁極、第
1方向に対向する磁極片の対向方向の他方向に磁束を流
す磁極が交互に配列され、前記各磁極の対向する磁極片
間によって前記磁極配列方向に貫通する空隙が形成され
た一次側と、前記空隙と連続しかつ前記磁極配列方向に
貫通する開口部を有すると共に、前記一次側と共に配列
された部材と、磁性を有すると共に、前記開口部を含む
前記空隙に配置された二次側と、気体状媒体を供給する
供給手段とを有し、前記部材は、前記開口部を含む前記
空隙と外部とを連通すると共に、前記供給手段から供給
された気体状媒体を、前記開口部を含む前記空隙に導く
連通孔を有してなることを特徴とする駆動装置。9. A magnetic pole, which is wound and has a magnetic flux flowing in one direction of a facing direction of a magnetic pole piece facing in a first direction, and a magnetic flux in another direction of a facing direction of a magnetic pole piece facing in the first direction. Magnetic poles which flow through the magnetic poles are alternately arranged, and a primary side in which a gap penetrating in the magnetic pole arrangement direction is formed between the magnetic pole pieces facing each other, and an opening which is continuous with the gap and penetrates in the magnetic pole arrangement direction. And a member arranged with the primary side, having a magnetism, a secondary side arranged in the void including the opening, and a supply means for supplying a gaseous medium, Is characterized in that it has a communication hole that communicates the void including the opening with the outside and guides the gaseous medium supplied from the supply means to the void including the opening. Drive.
対向する磁極片の対向方向の一方向に磁束を流す磁極、
第1方向に対向する磁極片の対向方向の他方向に磁束を
流す磁極が交互に配列され、前記各磁極の対向する磁極
片間によって前記磁極配列方向に貫通する空隙が形成さ
れた一次側と、前記空隙と連続しかつ前記磁極配列方向
に貫通する開口部を有すると共に、前記一次側と共に配
列された部材と、磁性を有すると共に、前記開口部を含
む前記空隙に配置された二次側と、気体状媒体を供給す
る供給手段とを有し、前記部材は、前記開口部を含む前
記空隙と外部とを連通すると共に、前記供給手段から供
給された気体状媒体を、前記開口部を含む前記空隙に導
く連通孔と、前記開口部を含む前記空隙と外部とを連通
すると共に、前記開口部を含む前記空隙に導かれた気体
状媒体を外部に排出する連通孔とを有してなることを特
徴とする駆動装置。10. A magnetic pole, around which a winding is wound and which causes a magnetic flux to flow in a direction opposite to a pole piece facing in the first direction,
Magnetic poles that flow magnetic flux in the other direction opposite to the facing magnetic pole pieces are alternately arranged, and a primary side in which a gap penetrating in the magnetic pole arrangement direction is formed between the facing magnetic pole pieces of each magnetic pole. A member having an opening that is continuous with the air gap and penetrates in the magnetic pole arrangement direction and that is arranged with the primary side; and a secondary side that is magnetic and that is arranged in the air gap that includes the opening. And a supply means for supplying a gaseous medium, wherein the member communicates the void including the opening with the outside, and the gaseous medium supplied from the supply means includes the opening. It has a communication hole leading to the void, a communication hole communicating the void including the opening and the outside, and discharging the gaseous medium guided to the void including the opening to the outside. Drive device characterized by
対向する磁極片の対向方向の一方向に磁束を流す磁極、
第1方向に対向する磁極片の対向方向の他方向に磁束を
流す磁極が交互に配列され、前記各磁極の対向する磁極
片間によって前記磁極配列方向に貫通する空隙が形成さ
れた単位体を、前記磁極配列方向に複数並ばしてなる一
次側と、前記空隙と連続しかつ前記磁極配列方向に貫通
する開口部を有すると共に、前記一次側の前記磁極配列
方向両端及び前記単位体間に配置された部材と、磁性を
有すると共に、前記開口部を含む前記空隙に配置された
二次側と、気体状媒体を供給する供給手段とを有し、前
記部材の少なくとも一つは、前記開口部を含む前記空隙
と外部とを連通すると共に、前記供給手段から供給され
た気体状媒体を、前記開口部を含む前記空隙に導く連通
孔を有してなることを特徴とする駆動装置。11. A magnetic pole, around which a winding is wound and which causes a magnetic flux to flow in one direction in which the magnetic pole pieces facing in the first direction face each other.
A unit body in which magnetic poles that flow magnetic flux in the other direction opposite to the opposing magnetic pole pieces in the first direction are alternately arranged, and a gap that penetrates in the magnetic pole arrangement direction is formed between the opposing magnetic pole pieces of each magnetic pole. A primary side formed by arranging a plurality of magnetic poles in the magnetic pole arrangement direction and an opening continuous with the gap and penetrating in the magnetic pole arrangement direction, and arranged between both ends of the magnetic pole arrangement direction on the primary side and the unit body. A member having magnetism, a secondary side having magnetism and arranged in the space including the opening, and a supply means for supplying a gaseous medium, and at least one of the members has the opening. And a communication hole that communicates the void including the above with the outside and guides the gaseous medium supplied from the supply means to the void including the opening.
対向する磁極片の対向方向の一方向に磁束を流す磁極、
第1方向に対向する磁極片の対向方向の他方向に磁束を
流す磁極が交互に配列され、前記各磁極の対向する磁極
片間によって前記磁極配列方向に貫通する空隙が形成さ
れた単位体を、前記磁極配列方向に複数並ばしてなる一
次側と、前記空隙と連続しかつ前記磁極配列方向に貫通
する開口部を有すると共に、前記一次側の前記磁極配列
方向両端及び前記単位体間に配置された部材と、磁性を
有すると共に、前記開口部を含む前記空隙に配置された
二次側と、気体状媒体を供給する供給手段とを有し、前
記部材のうち前記一次側の前記磁極配列方向両端に配置
された部材は、前記開口部を含む前記空隙と外部とを連
通すると共に、前記供給手段から供給された気体状媒体
を、前記開口部を含む前記空隙に導く連通孔を有してな
ることを特徴とする駆動装置。12. A magnetic pole, around which a winding is wound and which causes a magnetic flux to flow in a direction opposite to a pole piece facing the first direction,
A unit body in which magnetic poles that flow magnetic flux in the other direction opposite to the opposing magnetic pole pieces in the first direction are alternately arranged, and a gap that penetrates in the magnetic pole arrangement direction is formed between the opposing magnetic pole pieces of each magnetic pole. A primary side formed by arranging a plurality of magnetic poles in the magnetic pole arrangement direction and an opening continuous with the gap and penetrating in the magnetic pole arrangement direction, and arranged between both ends of the magnetic pole arrangement direction on the primary side and the unit body. The magnetic pole array on the primary side of the member, which has magnetic properties, a secondary side which is magnetic, and which is arranged in the gap including the opening, and a supply means for supplying a gaseous medium The members arranged at both ends in the direction have communication holes that communicate the void including the opening and the outside with each other, and guide the gaseous medium supplied from the supply means to the void including the opening. It is characterized by Drive.
対向する磁極片の対向方向の一方向に磁束を流す磁極、
第1方向に対向する磁極片の対向方向の他方向に磁束を
流す磁極が交互に配列され、前記各磁極の対向する磁極
片間によって前記磁極配列方向に貫通する空隙が形成さ
れた単位体を、前記磁極配列方向に複数並ばしてなる一
次側と、前記空隙と連続しかつ前記磁極配列方向に貫通
する開口部を有すると共に、前記一次側の前記磁極配列
方向両端及び前記単位体間に配置された部材と、磁性を
有すると共に、前記開口部を含む前記空隙に配置された
二次側と、気体状媒体を供給する供給手段とを有し、前
記部材の少なくとも一つは、前記開口部を含む前記空隙
と外部とを連通すると共に、前記供給手段から供給され
た気体状媒体を、前記開口部を含む前記空隙に導く連通
孔と、前記開口部を含む前記空隙と外部とを連通すると
共に、前記開口部を含む前記空隙に導かれた気体状媒体
を外部に排出する連通孔とを有してなることを特徴とす
る駆動装置。13. A magnetic pole, around which a winding is wound and which causes a magnetic flux to flow in a direction opposite to a pole piece facing the first direction,
A unit body in which magnetic poles that flow magnetic flux in the other direction opposite to the opposing magnetic pole pieces in the first direction are alternately arranged, and a gap that penetrates in the magnetic pole arrangement direction is formed between the opposing magnetic pole pieces of each magnetic pole. A primary side formed by arranging a plurality of magnetic poles in the magnetic pole arrangement direction and an opening continuous with the gap and penetrating in the magnetic pole arrangement direction, and arranged between both ends of the magnetic pole arrangement direction on the primary side and the unit body. A member having magnetism, a secondary side having magnetism and arranged in the space including the opening, and a supply means for supplying a gaseous medium, and at least one of the members has the opening. And a communication hole for communicating the gaseous medium supplied from the supply means to the space including the opening, and the space including the opening for communication with the outside. Together with the opening Driving apparatus characterized by comprising and a communication hole for discharging the gaseous medium guided to the gap, including the outside.
対向する磁極片の対向方向の一方向に磁束を流す磁極、
第1方向に対向する磁極片の対向方向の他方向に磁束を
流す磁極が交互に配列され、前記各磁極の対向する磁極
片間によって前記磁極配列方向に貫通する空隙が形成さ
れた単位体を、前記磁極配列方向に複数並ばしてなる一
次側と、前記空隙と連続しかつ前記磁極配列方向に貫通
する開口部を有すると共に、前記一次側の前記磁極配列
方向両端及び前記単位体間に配置された部材と、磁性を
有すると共に、前記開口部を含む前記空隙に配置された
二次側と、気体状媒体を供給する供給手段とを有し、前
記部材のうち前記一次側の前記磁極配列方向両端に配置
された部材は、前記開口部を含む前記空隙と外部とを連
通すると共に、前記供給手段から供給された気体状媒体
を、前記開口部を含む前記空隙に導く連通孔と、前記開
口部を含む前記空隙と外部とを連通すると共に、前記開
口部を含む前記空隙に導かれた気体状媒体を外部に排出
する連通孔とを有してなるとを特徴とする駆動装置。14. A magnetic pole, around which a winding is wound and which causes a magnetic flux to flow in one direction of a facing direction of a pole piece facing the first direction,
A unit body in which magnetic poles that flow magnetic flux in the other direction opposite to the opposing magnetic pole pieces in the first direction are alternately arranged, and a gap that penetrates in the magnetic pole arrangement direction is formed between the opposing magnetic pole pieces of each magnetic pole. A primary side formed by arranging a plurality of magnetic poles in the magnetic pole arrangement direction and an opening continuous with the gap and penetrating in the magnetic pole arrangement direction, and arranged between both ends of the magnetic pole arrangement direction on the primary side and the unit body. The magnetic pole array on the primary side of the member, which has magnetic properties, a secondary side which is magnetic, and which is arranged in the gap including the opening, and a supply means for supplying a gaseous medium Members arranged at both ends in the direction communicate with the void including the opening and the outside, and a communication hole that guides the gaseous medium supplied from the supply unit to the void including the opening, The sky including the opening And communicated with an external drive device, characterized in Naruto and a communication hole for discharging the gaseous medium guided to the gap containing the opening to the outside.
動装置において、前記供給手段は、前記気体状媒体を蓄
える貯蔵手段であることを特徴とする駆動装置。15. The drive unit according to claim 9, wherein the supply unit is a storage unit that stores the gaseous medium.
動装置において、前記供給手段は、前記気体状媒体を発
生させる発生手段であることを特徴とする駆動装置。16. The drive device according to claim 9, wherein the supply means is a generation means for generating the gaseous medium.
動装置において、前記供給手段は、前記一次側の動作に
よって前記気体状媒体を得る取得手段であることを特徴
とする駆動装置。17. The drive unit according to claim 9, wherein the supply unit is an acquisition unit that obtains the gaseous medium by the operation of the primary side.
対向する磁極片の対向方向の一方向に磁束を流す磁極、
第1方向に対向する磁極片の対向方向の他方向に磁束を
流す磁極が交互に配列され、前記各磁極の対向する磁極
片間によって前記磁極配列方向に貫通する空隙が形成さ
れた単位体を、前記磁極配列方向に複数並ばしてなる一
次側と、前記空隙と連続しかつ前記磁極配列方向に貫通
する開口部を有すると共に、前記一次側の前記磁極配列
方向両端及び前記単位体間に配置された部材と、磁性を
有すると共に、前記開口部を含む前記空隙に配置された
二次側と、気体状媒体を供給する供給手段とを有し、前
記二次側は、前記一次側に対して往復運動するものであ
り、前記部材のうち前記一次側の前記磁極配列方向両端
に配置された部材は、前記開口部を含む前記空隙と外部
を連通すると共に、前記供給手段から供給された気体状
媒体を、前記開口部を含む前記空隙に導く連通孔を有し
てなり、前記供給手段は、前記気体状媒体を蓄える貯蔵
手段であることを特徴とする駆動装置。18. A magnetic pole, around which a winding is wound and which causes a magnetic flux to flow in one direction of the facing magnetic pole piece facing the first direction,
A unit body in which magnetic poles that flow magnetic flux in the other direction opposite to the opposing magnetic pole pieces in the first direction are alternately arranged, and a gap that penetrates in the magnetic pole arrangement direction is formed between the opposing magnetic pole pieces of each magnetic pole. A primary side formed by arranging a plurality of magnetic poles in the magnetic pole arrangement direction and an opening continuous with the gap and penetrating in the magnetic pole arrangement direction, and arranged between both ends of the magnetic pole arrangement direction on the primary side and the unit body. And a member having magnetism, a secondary side disposed in the void including the opening, and a supply means for supplying a gaseous medium, the secondary side being relative to the primary side. The members arranged at both ends in the magnetic pole array direction on the primary side of the member communicate with the void including the opening and the outside, and the gas supplied from the supply means. The shape of the medium It has a communicating hole leading to the space comprising the supply means, the driving device, characterized in that the storage means for storing the gaseous medium.
対向する磁極片の対向方向の一方向に磁束を流す磁極、
第1方向に対向する磁極片の対向方向の他方向に磁束を
流す磁極が交互に配列され、前記各磁極の対向する磁極
片間によって前記磁極配列方向に貫通する空隙が形成さ
れた単位体を、前記磁極配列方向に複数並ばしてなる一
次側と、前記空隙と連続しかつ前記磁極配列方向に貫通
する開口部を有すると共に、前記一次側の前記磁極配列
方向両端及び前記単位体間に配置された部材と、磁性を
有すると共に、前記開口部を含む前記空隙に配置された
二次側と、気体状媒体を供給する供給手段とを有し、前
記二次側は、前記一次側に対して往復運動するものであ
り、前記部材のうち前記一次側の前記磁極配列方向両端
に配置された部材は、前記開口部を含む前記空隙と外部
を連通すると共に、前記供給手段から供給された気体状
媒体を、前記開口部を含む前記空隙に導く連通孔を有し
てなり、前記供給手段は、前記気体状媒体を発生させる
発生手段であることを特徴とする駆動装置。19. A magnetic pole, around which a winding is wound and which causes a magnetic flux to flow in one direction of a facing direction of a pole piece facing in the first direction,
A unit body in which magnetic poles that flow magnetic flux in the other direction opposite to the opposing magnetic pole pieces in the first direction are alternately arranged, and a gap that penetrates in the magnetic pole arrangement direction is formed between the opposing magnetic pole pieces of each magnetic pole. A primary side formed by arranging a plurality of magnetic poles in the magnetic pole arrangement direction and an opening continuous with the gap and penetrating in the magnetic pole arrangement direction, and arranged between both ends of the magnetic pole arrangement direction on the primary side and the unit body. And a member having magnetism, a secondary side disposed in the void including the opening, and a supply means for supplying a gaseous medium, the secondary side being relative to the primary side. The members arranged at both ends in the magnetic pole array direction on the primary side of the member communicate with the void including the opening and the outside, and the gas supplied from the supply means. The shape of the medium It has a communicating hole leading to the space comprising the supply means, the driving device, characterized in that the generating means for generating the gaseous medium.
対向する磁極片の対向方向の一方向に磁束を流す磁極、
第1方向に対向する磁極片の対向方向の他方向に磁束を
流す磁極が交互に配列され、前記各磁極の対向する磁極
片間によって前記磁極配列方向に貫通する空隙が形成さ
れた単位体を、前記磁極配列方向に複数並ばしてなる一
次側と、前記空隙と連続しかつ前記磁極配列方向に貫通
する開口部を有すると共に、前記一次側の前記磁極配列
方向両端及び前記単位体間に配置された部材と、磁性を
有すると共に、前記開口部を含む前記空隙に配置された
二次側と、気体状媒体を供給する供給手段とを有し、前
記一次側は、前記二次側に対して往復運動するものであ
り、前記部材のうち前記一次側の前記磁極配列方向両端
に配置された部材は、前記開口部を含む前記空隙と外部
を連通すると共に、前記供給手段から供給された気体状
媒体を、前記開口部を含む前記空隙に導く連通孔を有し
てなり、前記供給手段は、前記気体状媒体を発生させる
発生手段であることを特徴とする駆動装置。20. A magnetic pole, around which a winding is wound and which causes a magnetic flux to flow in one direction of the facing magnetic pole piece facing in the first direction,
A unit body in which magnetic poles that flow magnetic flux in the other direction opposite to the opposing magnetic pole pieces in the first direction are alternately arranged, and a gap that penetrates in the magnetic pole arrangement direction is formed between the opposing magnetic pole pieces of each magnetic pole. A primary side formed by arranging a plurality of magnetic poles in the magnetic pole arrangement direction and an opening continuous with the gap and penetrating in the magnetic pole arrangement direction, and arranged between both ends of the magnetic pole arrangement direction on the primary side and the unit body. A member having magnetism, a secondary side disposed in the void including the opening, and a supply means for supplying a gaseous medium, and the primary side with respect to the secondary side. The members arranged at both ends in the magnetic pole array direction on the primary side of the member communicate with the void including the opening and the outside, and the gas supplied from the supply means. The shape of the medium It has a communicating hole leading to the space comprising the supply means, the driving device, characterized in that the generating means for generating the gaseous medium.
対向する磁極片の対向方向の一方向に磁束を流す磁極、
第1方向に対向する磁極片の対向方向の他方向に磁束を
流す磁極が交互に配列され、前記各磁極の対向する磁極
片間によって前記磁極配列方向に貫通する空隙が形成さ
れた単位体を、前記磁極配列方向に複数並ばしてなる一
次側と、前記空隙と連続しかつ前記磁極配列方向に貫通
する開口部を有すると共に、前記一次側の前記磁極配列
方向両端及び前記単位体間に配置された部材と、磁性を
有すると共に、前記開口部を含む前記空隙に配置された
二次側と、気体状媒体を供給する供給手段とを有し、前
記一次側は、前記二次側に対して往復運動するものであ
り、前記部材のうち前記一次側の前記磁極配列方向両端
に配置された部材は、前記開口部を含む前記空隙と外部
を連通すると共に、前記供給手段から供給された気体状
媒体を、前記開口部を含む前記空隙に導く連通孔を有し
てなり、前記供給手段は、前記一次側の動作によって前
記気体状媒体を得る取得手段であることを特徴とする駆
動装置。21. A magnetic pole, which is wound and has a magnetic flux flowing in one direction of a facing direction of a pole piece facing in the first direction,
A unit body in which magnetic poles that flow magnetic flux in the other direction opposite to the opposing magnetic pole pieces in the first direction are alternately arranged, and a gap that penetrates in the magnetic pole arrangement direction is formed between the opposing magnetic pole pieces of each magnetic pole. A primary side formed by arranging a plurality of magnetic poles in the magnetic pole arrangement direction and an opening continuous with the gap and penetrating in the magnetic pole arrangement direction, and arranged between both ends of the magnetic pole arrangement direction on the primary side and the unit body. A member having magnetism, a secondary side disposed in the void including the opening, and a supply means for supplying a gaseous medium, and the primary side with respect to the secondary side. The members arranged at both ends in the magnetic pole array direction on the primary side of the member communicate with the void including the opening and the outside, and the gas supplied from the supply means. The shape of the medium It has a communicating hole leading to the space comprising the supply means, the driving apparatus characterized by the operation of the primary side is obtaining means for obtaining said gaseous medium.
対向する磁極片の対向方向の一方向に磁束を流す磁極、
第1方向に対向する磁極片の対向方向の他方向に磁束を
流す磁極が交互に配列され、前記各磁極の対向する磁極
片間によって前記磁極配列方向に貫通する空隙が形成さ
れた単位体を、前記磁極配列方向に複数並ばしてなる一
次側と、前記空隙と連続しかつ前記磁極配列方向に貫通
する開口部を有すると共に、前記一次側の前記磁極配列
方向両端及び前記単位体間に配置された部材と、磁性を
有すると共に、前記開口部を含む前記空隙に配置された
二次側と、気体状媒体を供給する供給手段とを有し、前
記二次側は、前記一次側に対して往復運動するものであ
り、前記部材のうち前記一次側の前記磁極配列方向両端
に配置された部材は、前記開口部を含む前記空隙と外部
を連通すると共に、前記供給手段から供給された気体状
媒体を、前記開口部を含む前記空隙に導く連通孔と、前
記開口部を含む前記空隙と外部を連通すると共に、前記
開口部を含む前記空隙に導かれた気体状媒体を外部に排
出する連通孔とを有してなり、前記供給手段は、前記気
体状媒体を蓄える貯蔵手段であることを特徴とする駆動
装置。22. A magnetic pole, around which a winding is wound, and which causes a magnetic flux to flow in one direction in which the magnetic pole pieces facing in the first direction face each other.
A unit body in which magnetic poles that flow magnetic flux in the other direction opposite to the opposing magnetic pole pieces in the first direction are alternately arranged, and a gap that penetrates in the magnetic pole arrangement direction is formed between the opposing magnetic pole pieces of each magnetic pole. A primary side formed by arranging a plurality of magnetic poles in the magnetic pole arrangement direction and an opening continuous with the gap and penetrating in the magnetic pole arrangement direction, and arranged between both ends of the magnetic pole arrangement direction on the primary side and the unit body. And a member having magnetism, a secondary side disposed in the void including the opening, and a supply means for supplying a gaseous medium, the secondary side being relative to the primary side. The members arranged at both ends in the magnetic pole array direction on the primary side of the member communicate with the void including the opening and the outside, and the gas supplied from the supply means. The shape of the medium A communication hole that leads to the void, and a communication hole that communicates the void including the opening with the outside and that discharges the gaseous medium guided into the void including the opening to the outside. The drive device is characterized in that the supply means is a storage means for storing the gaseous medium.
対向する磁極片の対向方向の一方向に磁束を流す磁極、
第1方向に対向する磁極片の対向方向の他方向に磁束を
流す磁極が交互に配列され、前記各磁極の対向する磁極
片間によって前記磁極配列方向に貫通する空隙が形成さ
れた単位体を、前記磁極配列方向に複数並ばしてなる一
次側と、前記空隙と連続しかつ前記磁極配列方向に貫通
する開口部を有すると共に、前記一次側の前記磁極配列
方向両端及び前記単位体間に配置された部材と、磁性を
有すると共に、前記開口部を含む前記空隙に配置された
二次側と、気体状媒体を供給する供給手段とを有し、前
記二次側は、前記一次側に対して往復運動するものであ
り、前記部材のうち前記一次側の前記磁極配列方向両端
に配置された部材は、前記開口部を含む前記空隙と外部
を連通すると共に、前記供給手段から供給された気体状
媒体を、前記開口部を含む前記空隙に導く連通孔と、前
記開口部を含む前記空隙と外部を連通すると共に、前記
開口部を含む前記空隙に導かれた気体状媒体を外部に排
出する連通孔とを有してなり、前記供給手段は、或いは
前記気体状媒体を発生させる発生手段であることを特徴
とする駆動装置。23. A magnetic pole, around which a winding is wound and which causes a magnetic flux to flow in one direction of a facing direction of a magnetic pole piece facing the first direction,
A unit body in which magnetic poles that flow magnetic flux in the other direction opposite to the opposing magnetic pole pieces in the first direction are alternately arranged, and a gap that penetrates in the magnetic pole arrangement direction is formed between the opposing magnetic pole pieces of each magnetic pole. A primary side formed by arranging a plurality of magnetic poles in the magnetic pole arrangement direction and an opening continuous with the gap and penetrating in the magnetic pole arrangement direction, and arranged between both ends of the magnetic pole arrangement direction on the primary side and the unit body. And a member having magnetism, a secondary side disposed in the void including the opening, and a supply means for supplying a gaseous medium, the secondary side being relative to the primary side. The members arranged at both ends in the magnetic pole array direction on the primary side of the member communicate with the void including the opening and the outside, and the gas supplied from the supply means. The shape of the medium A communication hole that leads to the void, and a communication hole that communicates the void including the opening with the outside and that discharges the gaseous medium guided into the void including the opening to the outside. The drive device is characterized in that the supply means is or a generation means for generating the gaseous medium.
対向する磁極片の対向方向の一方向に磁束を流す磁極、
第1方向に対向する磁極片の対向方向の他方向に磁束を
流す磁極が交互に配列され、前記各磁極の対向する磁極
片間によって前記磁極配列方向に貫通する空隙が形成さ
れた単位体を、前記磁極配列方向に複数並ばしてなる一
次側と、前記空隙と連続しかつ前記磁極配列方向に貫通
する開口部を有すると共に、前記一次側の前記磁極配列
方向両端及び前記単位体間に配置された部材と、磁性を
有すると共に、前記開口部を含む前記空隙に配置された
二次側と、気体状媒体を供給する供給手段とを有し、前
記一次側は、前記二次側に対して往復運動するものであ
り、前記部材のうち前記一次側の前記磁極配列方向両端
に配置された部材は、前記開口部を含む前記空隙と外部
を連通すると共に、前記供給手段から供給された気体状
媒体を、前記開口部を含む前記空隙に導く連通孔と、前
記開口部を含む前記空隙と外部を連通すると共に、前記
開口部を含む前記空隙に導かれた気体状媒体を外部に排
出する連通孔とを有してなり、前記供給手段は、或いは
前記気体状媒体を発生させる発生手段であることを特徴
とする駆動装置。24. A magnetic pole, around which a winding is wound and which causes a magnetic flux to flow in one direction of a facing direction of a pole piece facing in a first direction,
A unit body in which magnetic poles that flow magnetic flux in the other direction opposite to the opposing magnetic pole pieces in the first direction are alternately arranged, and a gap that penetrates in the magnetic pole arrangement direction is formed between the opposing magnetic pole pieces of each magnetic pole. A primary side formed by arranging a plurality of magnetic poles in the magnetic pole arrangement direction and an opening continuous with the gap and penetrating in the magnetic pole arrangement direction, and arranged between both ends of the magnetic pole arrangement direction on the primary side and the unit body. A member having magnetism, a secondary side disposed in the void including the opening, and a supply means for supplying a gaseous medium, and the primary side with respect to the secondary side. The members arranged at both ends of the primary side in the magnetic pole arrangement direction communicate with the void including the opening and the outside, and the gas supplied from the supply means. The shape of the medium A communication hole that leads to the void, and a communication hole that communicates the void including the opening with the outside and that discharges the gaseous medium guided into the void including the opening to the outside. The drive device is characterized in that the supply means is or a generation means for generating the gaseous medium.
対向する磁極片の対向方向の一方向に磁束を流す磁極、
第1方向に対向する磁極片の対向方向の他方向に磁束を
流す磁極が交互に配列され、前記各磁極の対向する磁極
片間によって前記磁極配列方向に貫通する空隙が形成さ
れた単位体を、前記磁極配列方向に複数並ばしてなる一
次側と、前記空隙と連続しかつ前記磁極配列方向に貫通
する開口部を有すると共に、前記一次側の前記磁極配列
方向両端及び前記単位体間に配置された部材と、磁性を
有すると共に、前記開口部を含む前記空隙に配置された
二次側と、気体状媒体を供給する供給手段とを有し、前
記一次側は、前記二次側に対して往復運動するものであ
り、前記部材のうち前記一次側の前記磁極配列方向両端
に配置された部材は、前記開口部を含む前記空隙と外部
を連通すると共に、前記供給手段から供給された気体状
媒体を、前記開口部を含む前記空隙に導く連通孔と、前
記開口部を含む前記空隙と外部を連通すると共に、前記
開口部を含む前記空隙に導かれた気体状媒体を外部に排
出する連通孔とを有してなり、前記供給手段は、前記一
次側の動作によって前記気体状媒体を得る取得手段であ
ることを特徴とする駆動装置。25. A magnetic pole, around which a winding is wound and which causes a magnetic flux to flow in one direction of the facing magnetic pole piece facing in the first direction,
A unit body in which magnetic poles that flow magnetic flux in the other direction opposite to the opposing magnetic pole pieces in the first direction are alternately arranged, and a gap that penetrates in the magnetic pole arrangement direction is formed between the opposing magnetic pole pieces of each magnetic pole. A primary side formed by arranging a plurality of magnetic poles in the magnetic pole arrangement direction and an opening continuous with the gap and penetrating in the magnetic pole arrangement direction, and arranged between both ends of the magnetic pole arrangement direction on the primary side and the unit body. A member having magnetism, a secondary side disposed in the void including the opening, and a supply means for supplying a gaseous medium, and the primary side with respect to the secondary side. The members arranged at both ends in the magnetic pole array direction on the primary side of the member communicate with the void including the opening and the outside, and the gas supplied from the supply means. The shape of the medium A communication hole that leads to the void, and a communication hole that communicates the void including the opening with the outside and that discharges the gaseous medium guided into the void including the opening to the outside. The drive device is characterized in that the supply means is an acquisition means for obtaining the gaseous medium by the operation of the primary side.
おいて、前記貯蔵手段は、ガス又は空気が封入されたボ
ンベ又はタンクであることを特徴とする駆動装置。26. The drive device according to claim 18 or 22, wherein the storage means is a cylinder or a tank filled with gas or air.
おいて、前記発生手段は、前記二次側によって駆動され
る被駆動体の動作で空気を圧縮する圧縮装置であること
を特徴とする駆動装置。27. The drive device according to claim 19 or 23, wherein the generating means is a compression device that compresses air by the operation of a driven body driven by the secondary side. apparatus.
おいて、前記発生手段は、前記一次側によって駆動され
る被駆動体の動作で空気を圧縮する圧縮装置であること
を特徴とする駆動装置。28. The drive device according to claim 20 or 24, wherein the generating means is a compression device that compresses air by an operation of a driven body driven by the primary side. .
おいて、前記取得手段は、前記一次側に取り付けられる
と共に、前記一次側の動作方向に開口して外気を取り込
むダクトであることを特徴とする駆動装置。29. The drive device according to claim 21 or 25, wherein the acquisition means is a duct that is attached to the primary side and opens in the operation direction of the primary side to take in outside air. Drive device.
する空隙に、前記磁極に巻かれた巻線への通電によって
発生した磁束を交互に相対させて流し、磁性を有しかつ
前記空隙に配置された二次側に鎖交させ、前記一次側と
前記二次側とを相対運動させるにあたり、前記空隙内の
圧力を外部の圧力よりも高くしながら前記一次側と前記
二次側とを相対運動させることを特徴とする駆動装置の
駆動方法。30. The magnetic flux generated by energizing the windings wound around the magnetic poles is made to flow alternately in a gap penetrating in the arrangement direction of the magnetic poles forming the primary side, and the magnetic gap is provided. In the secondary side arranged in, in moving the primary side and the secondary side relative, while the pressure in the void is higher than the external pressure, the primary side and the secondary side. A driving method of a driving device, characterized in that:
して形成された空隙に、前記磁極に巻かれた巻線への通
電によって発生した磁束を交互に相対させて流し、磁性
を有しかつ前記空隙に配置された二次側に鎖交させ、前
記一次側と前記二次側とを相対運動させるにあたり、気
体状媒体を前記空隙に供給しながら前記一次側と前記二
次側とを相対運動させることを特徴とする駆動装置の駆
動方法。31. A magnetic flux generated by energizing a winding wound around the magnetic pole is alternately made to flow in a gap formed continuously in the arrangement direction of the magnetic poles constituting the primary side to have magnetism. And interlinking with the secondary side arranged in the void, in relative movement of the primary side and the secondary side, while supplying a gaseous medium to the void with the primary side and the secondary side. A driving method of a driving device, characterized in that:
して形成された空隙に、前記磁極に巻かれた巻線への通
電によって発生した磁束を交互に相対させて流し、磁性
を有しかつ前記空隙に配置された二次側に鎖交させ、前
記一次側に対して前記二次側を往復運動させるにあた
り、外部に蓄えられている気体状媒体を前記空隙に供給
しながら前記一次側に対して前記二次側を往復運動させ
ることを特徴とする駆動装置の駆動方法。32. A magnetic flux generated by energizing a winding wound around the magnetic pole is alternately made to flow in a gap formed continuously in the arrangement direction of the magnetic poles constituting the primary side to have magnetism. And interlinking with the secondary side disposed in the void, and in reciprocating the secondary side with respect to the primary side, while supplying a gaseous medium stored outside to the void, the primary A method of driving a drive device, comprising reciprocating the secondary side with respect to a side.
して形成された空隙に、前記磁極に巻かれた巻線への通
電によって発生した磁束を交互に相対させて流し、磁性
を有しかつ前記空隙に配置された二次側に鎖交させ、前
記一次側に対して前記二次側を往復運動させるにあた
り、ボンベ又はタンクに蓄えられている空気又はガスを
前記空隙に供給しながら前記一次側に対して前記二次側
を往復運動させることを特徴とする駆動装置の駆動方
法。33. The magnetic flux generated by energizing the windings wound around the magnetic poles is alternately made to flow in a gap formed continuously in the direction of arrangement of the magnetic poles constituting the primary side to have magnetism. And interlinking with the secondary side arranged in the void, and in reciprocating the secondary side with respect to the primary side, while supplying air or gas stored in a cylinder or tank to the void. A driving method of a driving device, comprising reciprocating the secondary side with respect to the primary side.
して形成された空隙に、前記磁極に巻かれた巻線への通
電によって発生した磁束を交互に相対させて流し、磁性
を有しかつ前記空隙に配置された二次側に鎖交させ、前
記一次側に対して前記二次側を往復運動させるにあた
り、前記二次側によって駆動される被駆動体の動作で発
生した気体状媒体を前記空隙に供給しながら前記一次側
に対して前記二次側を往復運動させることを特徴とする
駆動装置の駆動方法。34. The magnetic flux generated by energizing the windings wound around the magnetic poles is alternately made to flow in a gap formed continuously in the arrangement direction of the magnetic poles constituting the primary side to have magnetism. And a gas state generated by the operation of the driven body driven by the secondary side in interlinking with the secondary side disposed in the gap and reciprocating the secondary side with respect to the primary side. A driving method of a driving device, characterized in that the secondary side is reciprocated with respect to the primary side while supplying a medium to the gap.
して形成された空隙に、前記磁極に巻かれた巻線への通
電によって発生した磁束を交互に相対させて流し、磁性
を有しかつ前記空隙に配置された二次側に鎖交させ、前
記一次側に対して前記二次側を往復運動させるにあた
り、前記二次側によって駆動される被駆動体の動作で駆
動する圧縮装置からの圧縮空気を前記空隙に供給しなが
ら前記一次側に対して前記二次側を往復運動させること
を特徴とする駆動装置の駆動方法。35. The magnetic flux generated by energizing the windings wound around the magnetic poles is alternately made to flow in a gap formed continuously in the arrangement direction of the magnetic poles constituting the primary side to have magnetism. And a compression device driven by the operation of a driven body driven by the secondary side when interlinking with the secondary side disposed in the gap and reciprocating the secondary side with respect to the primary side. A method for driving a driving device, comprising: reciprocating the secondary side with respect to the primary side while supplying compressed air from the space to the gap.
して形成された空隙に、前記磁極に巻かれた巻線への通
電によって発生した磁束を交互に相対させて流し、磁性
を有しかつ前記空隙に配置された二次側に鎖交させ、前
記二次側に対して前記一次側を往復運動させるにあた
り、前記一次側によって駆動される被駆動体の動作で発
生した気体状媒体を前記空隙に供給しながら前記二次側
に対して前記一次側を往復運動させることを特徴とする
駆動装置の駆動方法。36. The magnetic flux generated by energizing the windings wound around the magnetic poles is alternately made to flow in a gap formed continuously in the arrangement direction of the magnetic poles constituting the primary side to have magnetism. And a gaseous medium generated by the operation of the driven body driven by the primary side in interlinking with the secondary side disposed in the gap and reciprocating the primary side with respect to the secondary side. Is supplied to the gap, and the primary side is reciprocally moved with respect to the secondary side.
して形成された空隙に、前記磁極に巻かれた巻線への通
電によって発生した磁束を交互に相対させて流し、磁性
を有しかつ前記空隙に配置された二次側に鎖交させ、前
記二次側に対して前記一次側を往復運動させるにあた
り、前記一次側によって駆動される被駆動体の動作で駆
動する圧縮装置からの圧縮空気を前記空隙に供給しなが
ら前記二次側に対して前記一次側を往復運動させること
を特徴とする駆動装置の駆動方法。37. The magnetic flux generated by energizing the windings wound around the magnetic poles is alternately made to flow in a gap formed continuously in the direction of arrangement of the magnetic poles constituting the primary side to have magnetism. A compression device that is driven by the operation of the driven body driven by the primary side in interlinking with the secondary side disposed in the gap and reciprocating the primary side with respect to the secondary side. 2. The method for driving a drive device, wherein the primary side is reciprocated with respect to the secondary side while supplying the compressed air to the gap.
して形成された空隙に、前記磁極に巻かれた巻線への通
電によって発生した磁束を交互に相対させて流し、磁性
を有しかつ前記空隙に配置された二次側に鎖交させ、前
記二次側に対して前記一次側を往復運動させるにあた
り、前記一次側の駆動によって得られた気体状媒体を前
記空隙に供給しながら前記二次側に対して前記一次側を
往復運動させることを特徴とする駆動装置の駆動方法。38. The magnetic flux generated by energizing the windings wound around the magnetic poles is caused to flow alternately in a gap formed continuously in the direction of arrangement of the magnetic poles constituting the primary side so as to have magnetism. And interlinking with the secondary side disposed in the void, and in causing the primary side to reciprocate with respect to the secondary side, the gaseous medium obtained by driving the primary side is supplied to the void. While driving the primary side reciprocally with respect to the secondary side, a driving method of a driving device.
して形成された空隙に、前記磁極に巻かれた巻線への通
電によって発生した磁束を交互に相対させて流し、磁性
を有しかつ前記空隙に配置された二次側に鎖交させ、前
記二次側に対して前記一次側を往復運動させるにあた
り、前記一次側に取り付けられかつ前記一次側の動作方
向に開口したダクトで取り込んだ外気を前記空隙に供給
しながら前記二次側に対して前記一次側を往復運動させ
ることを特徴とする駆動装置の駆動方法。39. The magnetic flux generated by energizing the windings wound around the magnetic poles is alternately made to flow in a gap formed continuously in the direction of arrangement of the magnetic poles constituting the primary side to have magnetism. And in the secondary side arranged in the gap, in the reciprocating movement of the primary side with respect to the secondary side, in the duct attached to the primary side and opened in the operating direction of the primary side. A driving method of a driving device, characterized in that the primary side is reciprocally moved with respect to the secondary side while supplying the taken-in outside air to the gap.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2002046751A JP3848885B2 (en) | 2002-02-22 | 2002-02-22 | Drive device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2002046751A JP3848885B2 (en) | 2002-02-22 | 2002-02-22 | Drive device |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2003250261A true JP2003250261A (en) | 2003-09-05 |
JP3848885B2 JP3848885B2 (en) | 2006-11-22 |
Family
ID=28660040
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JP2002046751A Expired - Fee Related JP3848885B2 (en) | 2002-02-22 | 2002-02-22 | Drive device |
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JP (1) | JP3848885B2 (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2012016279A (en) * | 2011-10-17 | 2012-01-19 | Sanyo Denki Co Ltd | Moving member for linear motor |
JPWO2021100703A1 (en) * | 2019-11-19 | 2021-05-27 |
-
2002
- 2002-02-22 JP JP2002046751A patent/JP3848885B2/en not_active Expired - Fee Related
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2012016279A (en) * | 2011-10-17 | 2012-01-19 | Sanyo Denki Co Ltd | Moving member for linear motor |
JPWO2021100703A1 (en) * | 2019-11-19 | 2021-05-27 | ||
WO2021100703A1 (en) * | 2019-11-19 | 2021-05-27 | 京セラインダストリアルツールズ株式会社 | Electric tool |
JP7325530B2 (en) | 2019-11-19 | 2023-08-14 | 京セラインダストリアルツールズ株式会社 | Electric tool |
Also Published As
Publication number | Publication date |
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JP3848885B2 (en) | 2006-11-22 |
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