WO2015099393A1 - Moteur linéaire et procédé pour assembler un dispositif de mouvement de ce dernier - Google Patents

Moteur linéaire et procédé pour assembler un dispositif de mouvement de ce dernier Download PDF

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Publication number
WO2015099393A1
WO2015099393A1 PCT/KR2014/012690 KR2014012690W WO2015099393A1 WO 2015099393 A1 WO2015099393 A1 WO 2015099393A1 KR 2014012690 W KR2014012690 W KR 2014012690W WO 2015099393 A1 WO2015099393 A1 WO 2015099393A1
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WO
WIPO (PCT)
Prior art keywords
coil
insulating
frame
unit
members
Prior art date
Application number
PCT/KR2014/012690
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English (en)
Korean (ko)
Inventor
권영목
김홍윤
심호근
윤영민
Original Assignee
(주)티피씨 메카트로닉스
Priority date (The priority date 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 date listed.)
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Publication date
Application filed by (주)티피씨 메카트로닉스 filed Critical (주)티피씨 메카트로닉스
Publication of WO2015099393A1 publication Critical patent/WO2015099393A1/fr

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    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K41/00—Propulsion systems in which a rigid body is moved along a path due to dynamo-electric interaction between the body and a magnetic field travelling along the path
    • H02K41/02—Linear motors; Sectional motors
    • H02K41/03—Synchronous motors; Motors moving step by step; Reluctance motors
    • H02K41/031—Synchronous motors; Motors moving step by step; Reluctance motors of the permanent magnet type
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K15/00—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines
    • H02K15/02—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines of stator or rotor bodies
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K3/00—Details of windings
    • H02K3/32—Windings characterised by the shape, form or construction of the insulation
    • H02K3/34—Windings characterised by the shape, form or construction of the insulation between conductors or between conductor and core, e.g. slot insulation

Definitions

  • the present invention relates to a linear motor, and more particularly, to a method of assembling a linear motor and its mover, which can simplify the assembly process of the coil unit and the insulation unit.
  • Korean Patent Laid-Open Publication No. 10-2005-0064842 discloses a technique for a mover assembly structure of a linear motor.
  • the mover 20 is linearly movable along a straight stator 10, and a current is applied to the coil unit 40 of the mover 20. As a result, the thrust is generated between the stator 10 and the magnet 12.
  • the mover 20 is composed of a movable plate body 30 and a coil unit 40 fixed to the lower surface of the movable plate body 30, and the coil unit 40 has a core 42 and a lower surface of the core 42. It consists of a coil 44 installed in.
  • the movable plate body 30 and the coil unit 40 are assembled to each other by a fastening bolt 50 that penetrates the movable plate body 30 and is screwed to the coil unit 40. That is, the through hole 32 is formed in the movable plate body 30.
  • the through hole 42a is also formed in the core 42 of the coil unit 40 corresponding thereto. Then, an installation groove 42b is formed at the bottom of the core 42, and then the fastening block 48 is press-fitted through the insulating paper 46 in the installation groove 42b. At this time, a fastening hole 48a is formed in the fastening block 48.
  • the fastening bolt 50 is screwed into the through hole 32 of the movable plate body 30, the through hole 42a of the core 42, and the fastening hole 48a of the fastening block 48 aligned with each other. It is.
  • Such a conventional linear motor has a problem that it is very difficult and cumbersome to assemble the movable plate body 30 and the coil unit 40 of the mover 20. That is, conventionally, in order to assemble the movable plate body 30 and the coil unit 40 of the mover 20, the through hole 42a is drilled in the core 42 of the coil unit 40, and then the core 42 Installation grooves (42b) to the bottom of the process should be processed, there was a hassle to press the fastening block 48 into the processed installation groove (42b).
  • the fastening hole 48a of the fastening block 48 has to be tab-bard. If a tab failure occurs in the tapping process, the fastening bolt 50 is not screwed to the fastening block 48. In other words, there is a problem that it is very difficult to assemble the movable plate body 30 and the coil unit 40. Such a problem is a cause of mass-producing the defective mover 20.
  • the present invention has been made in order to solve the above problems, by connecting the coil member and the insulating member without the coupling by the coupling member, a linear motor and a method of assembling the mover thereof can be assembled in a simple manner. It aims to provide.
  • the present invention has a structure in which the insulating member is in close contact with the coil member, the linear motor and its operation that can omit the molding operation process by the molding liquid performed after the coupling of the coil member and the insulating member in the prior art
  • An object of the present invention is to provide an assembly method.
  • the stator portion having a stator frame provided with an inner space for receiving a permanent magnet therein; And a movable part installed to surround the outer circumference of the stator frame, the movable part being driven by generating an electromagnetic force between the permanent magnets when the current is applied, wherein the movable part is installed on the fixed part frame to surround the outer circumference of the stator frame.
  • a coil unit having a plurality of coil members having an annular cross section;
  • An insulating unit having a plurality of insulating members installed in the stator frame to be in close contact with the annular cross section of the coil member;
  • a coil accommodating space in which the coil unit and the insulating unit are accommodated, and a frame unit closing the coil accommodating space to fix the position of the coil unit and the insulating unit.
  • the coil unit is a first coil member connected to the stator frame to be movable along the longitudinal direction of the stator frame when the current is applied, and the second coil member connected to the stator frame adjacent to the first coil member
  • the coil unit and the insulating unit include a first coil member, any one insulating member, a second coil member and the other insulating member as one set, and a plurality of sets are preferably installed in the stator frame.
  • the insulating member the insulating plate having a ring shape corresponding to the cross section of the coil member; And an insulating guide formed to protrude to both sides of the insulating plate from the outer circumferential surface of the insulating plate.
  • the insulating unit any one of a plurality of insulating member is positioned between the first coil member and the second coil member, the other insulating member is different from the second coil member
  • the insulation guide provided on one insulation member and the insulation guide provided on the other insulation member are positioned against each other to form a structure surrounding the outer circumference of the second coil member.
  • the frame unit, the movable frame is provided with a coil receiving space; And a first coupling member coupled to an open side of the mover frame. It is preferable to fix the position of the coil unit and the insulation unit in the coil accommodation space, including a second coupling member coupled to the other open side of the mover frame to close the coil accommodation space.
  • the first coupling member is inserted into the coil receiving space, and is formed integrally with the first protrusion and the first protrusion, surrounding the coil member accommodated in the coil receiving space and in contact with the insulating member,
  • the first coupling body may cover one side of the mover frame and have a structure through which the stator frame penetrates, and the first coupling body may be bolted to the mover frame.
  • the first protrusion has an annular cross section having an outer diameter larger than the outer diameter of the coil member and an outer diameter smaller than the inner diameter of the coil accommodating member, and the first protrusion is insulated when inserted as a coil accommodating space.
  • a force is applied to the insulating member while being in contact with the member to prevent the occurrence of a gap between the plurality of coil members and the plurality of insulating members.
  • the second coupling member may be inserted into the coil accommodation space to cover the second protrusion which contacts the insulation member while surrounding the coil member accommodated in the coil accommodation space, and the other side of the mover frame.
  • the stator frame has a structure through which the stator frame is penetrated, the second coupling body is integrally formed with the second protrusion, and the second coupling body is bolted to the movable frame.
  • the second protrusion has an annular cross-section having an outer diameter larger than the outer diameter of the coil member and an outer diameter smaller than the inner diameter of the coil accommodating member, while contacting the insulating member upon insertion as the coil accommodating space. It is preferable to apply a force to the insulating member to prevent the occurrence of a gap between the plurality of coil members and the plurality of insulating members.
  • the assembly method of the mover of the linear motor for assembling the mover unit (a) any one of the coil member of the plurality of coil member is installed in the stator frame; (b) installing any one of the plurality of insulating members to the stator frame; (c) steps (a) and (b) are repeatedly performed, wherein a plurality of insulating members are disposed between the plurality of coil members and installed in the stator frame; (d) connecting the mover frame of the frame unit to the stator frame to surround the plurality of coil members and the plurality of insulating members installed in the stator frame; (e) disposing the first coupling member of the frame unit through one side of the mover frame through the stator frame; (f) bolting the first coupling member to the mover frame by bolts, with the first projection of the first coupling member inserted into the mover frame; (g) placing the second coupling member of the frame unit on the other side of the mover frame; And (h)
  • the insulating member is composed of an insulating plate having an annular structure, and an insulating guide protruding from both the outer peripheral surface of the insulating plate to both sides of the insulating plate, in step (c), of the plurality of insulating members
  • One of the insulating members is preferably provided between two coil members of the plurality of coil members such that the insulating plate is in contact with the side of the coil member, and the insulating guide surrounds a part of the outer circumference of the coil member.
  • the present invention unlike the prior art, by connecting a plurality of coil members and a plurality of insulating members to the stator frame without coupling by the coupling member, a direct coupling process between the coil unit and the insulating unit can be omitted.
  • a direct coupling process between the coil unit and the insulating unit can be omitted.
  • the interval between the plurality of coils may be uniformly partitioned, and the first coupling may be performed by the first coupling member and the second coupling member of the frame unit.
  • the present invention has a structure in which the insulating member is in close contact with the coil member through the frame unit, it is possible to omit the molding operation process by the molding liquid performed after the coupling of the coil member and the insulating member in the prior art. As a result, it is possible to reduce the time that the molding liquid is cured.
  • the present invention has the effect of reducing the manufacturing cost through the simplification of the assembly process of the movable part as described above, and at the same time, to create an economic effect that can increase the production of the product while reducing the manufacturing time can do.
  • FIG. 1 is a schematic cross-sectional view of a linear motor according to the prior art
  • FIG. 2 schematically illustrates an internal perspective view of a linear motor according to an embodiment of the present invention.
  • Figure 3 schematically shows an exploded perspective view of the movable part according to an embodiment of the present invention.
  • Figure 4 schematically shows the arrangement order of a set of coil units and an insulation unit according to an embodiment of the present invention.
  • FIG. 5 schematically illustrates a state in which a plurality of coil members and a plurality of insulating members are connected to a movable part according to an embodiment of the present invention.
  • the linear motor 100 As shown in Figures 2 to 5, the linear motor 100 according to an embodiment of the present invention, the stator portion provided with a permanent magnet (not shown), and a permanent magnet (not shown) when the current is applied and Electromagnetic force is generated in the relationship of the includes a movable part (100a) for linear movement with respect to the stator.
  • the stator portion includes a stator frame 110b and a permanent magnet (not shown).
  • the stator frame 110b has a cylindrical structure in which an inner space having a hollow inside is provided.
  • the stator frame 110b is preferably made of stainless steel.
  • the permanent magnet (not shown) is installed in the interior space of the stator frame (110b).
  • the function and arrangement of the permanent magnet (not shown) installed in the stator portion is a known technique, and in this embodiment, a detailed description of the permanent magnet (not shown) of the stator portion will be omitted.
  • the movable part 100a includes a coil unit 110, an insulation unit 120, and a frame unit 130.
  • the movable part 100a is installed to surround the outer circumference of the stator frame 110b, and linearly moves along the longitudinal direction of the stator frame 110b when a current is applied to the coil unit 110. It is absent.
  • the coil unit 110 is provided with a plurality of coil members 111 and 112 installed in the stator frame 110b to surround the outer circumference of the stator frame 110b.
  • the plurality of coil members 111 and 112 are members that generate an electromagnetic force with respect to a permanent magnet (not shown) provided in the stator part when a current is applied.
  • a plurality of first coil member 111 and second coil member 112 may be provided.
  • the first coil member 111 and the second coil member 112 according to an embodiment of the present invention has an annular cross-section, having a predetermined thickness depending on the degree of the coil wound It is preferable to have a cylindrical structure. That is, as shown in FIG. 4, the first coil member 111 and the second coil member 112 have a structure in which the stator frame 110b penetrates.
  • the inner diameter of the first coil member 111 and the second coil member 112 preferably has a diameter larger than the outer diameter of the stator frame (110b).
  • an insulating member is installed between the first coil member 111 and the second coil member 112.
  • the first coil member 111 and the second coil member 112 in accordance with an embodiment of the present invention is inserted into the stator frame 110b, the current to the first coil member 111 and the second coil member 112. It is preferable that the stator frame 110b is installed in the stator frame 110b so as to be movable along the longitudinal direction of the stator frame 110b.
  • the insulating unit 120 is a plurality of insulating members installed in the stator frame (110b) to be in close contact with the annular cross-section of the first coil member 111 and the second coil member 112 ( 121, 122).
  • first insulating members 121 and 122 may be provided in the same manner as in the above-described first coil member 111 and second coil member 112.
  • the coil unit 110 and the insulating unit 120 is the first coil member 111, the first insulating member 121, the second coil member 112 and the second insulating member 122 1 set, a plurality of sets may be installed in the stator frame 110b.
  • the arrangement of the coil unit 110 and the insulation unit 120 may include the first coil member 111, the first insulation member 121, and the second coil member. 112, the second insulating member 122, the first coil member 111, the first insulating member 121, the second coil member 112, and the second insulating member 122 are arranged in this order.
  • the first insulating member 121 and the second insulating member 122 is installed between the plurality of first coil member 111 and the second coil member 112, the coil unit 110 ) And to prevent the current of the coil unit 110 from affecting the coil member located adjacently.
  • the first insulating member 121 is composed of a first insulating plate 121a and a first insulating guide 121b.
  • the second insulating member 122 includes a first insulating plate 122a and a first insulating guide 122b.
  • the first insulating member 121 and the second insulating member 122 according to an embodiment of the present invention have the same structure and shape. Hereinafter, only the first insulating member 121 will be described to avoid repetition of the description. Let's do it.
  • the first insulating plate 121a preferably has a ring shape corresponding to the cross section of the first coil member 111 and the second coil member 112.
  • the inner diameter of the first insulating plate 121a preferably has a larger diameter than the outer diameter of the stator frame 110b.
  • the outer diameter of the first insulating plate 121a preferably has the same diameter as the outer diameter of the first coil member 111.
  • the first insulating guide 121b is formed on the outer circumferential surface of the first insulating plate 121a.
  • the first insulating guide 121b is preferably formed to protrude to both sides of the first insulating plate 121a from the outer circumferential surface of the first insulating plate 121a.
  • the first insulating guide 121b is the first coil member 111 and the second coil member ( It is preferable that it is arrange
  • the first insulating member 121 is positioned in close contact with the other surface of the first coil member 111 and one surface of the second coil member 112, and the second insulating member 122 is in contact with each other.
  • the first insulating guide 121b provided in the first insulating member 121 and the second insulating guide provided in the second insulating member 122 ( 122b) is disposed to face each other, it is preferable to form a structure surrounding the outer periphery of the second coil member 112, this arrangement structure may be installed in the stator frame (110b) a plurality of sets are repeated.
  • the coil unit 110 and the insulating unit 120 is fixed to the arrangement by the frame unit 130 to be described later.
  • the frame unit 130 will be described.
  • the frame unit 130 As shown in Figures 2 to 4, the frame unit 130 according to an embodiment of the present invention is provided with a coil receiving space 132 in which the coil unit 110 and the insulating unit 120 is accommodated.
  • the coil receiving space 132 is closed to fix the positions of the coil unit 110 and the insulating unit 120.
  • the frame unit 130 accommodates the coil unit 110 and the insulating unit 120 therein, and the coil unit 110 and the insulating unit 120 of the arrangement as described above It is a member for fixing an arrangement.
  • Frame unit 130 according to an embodiment of the present invention includes a mover frame 131, the first coupling member 133 and the second coupling member 137.
  • the mover frame 131 is a member provided with a coil accommodation space 132 therein, and has a structure in which the coil accommodation space 132 can communicate with the outside.
  • the coil accommodating space 132 is a space in which the coil unit 110 and the insulating unit 120 are installed, and preferably has a cylindrical shape.
  • the inner diameter of the movable frame 131 preferably has a diameter larger than the outer diameter of the first coil member 111 and the first insulating member 121.
  • the first coupling member 133 is a member coupled to one side of the movable frame 131 to close one open side of the coil receiving space 132.
  • the first coupling member 133 is composed of a first protrusion 134 and the first coupling body 135 inserted into the coil receiving space 132.
  • the first protrusion 134 is provided to protrude from one side of the first coupling body 135, the inner diameter is larger than the outer diameter of the coil, the outer diameter is smaller than the diameter of the coil receiving space 132 annular cross section It is preferable to have.
  • the first protrusion 134 may have a first coupling member having an inner circumferential surface of the first protrusion 134.
  • the longitudinal section of the first protrusion 134 is installed to engage with one side of the first insulating guide 121b of the first insulating member 121. do.
  • the first protrusion 134 is preferably fitted into the coil receiving space 132 of the mover frame 131.
  • the first coupling body 135 is formed integrally with the first protrusion 134, it is preferable to have a structure that can cover one side of the movable frame (131).
  • the appearance of the first coupling body 135 according to an embodiment of the present invention preferably has a structure corresponding to the appearance of the movable frame 131.
  • the first coupling body 135 is provided with a through hole 135a through which the stator frame 110b penetrates.
  • the first coupling body 135 is preferably bolted to the mover frame 131.
  • the second coupling member 137 is composed of a second protrusion 138 and the second coupling body 139 is inserted into the coil receiving space 132.
  • the second protrusion 138 is provided to protrude from one side of the second coupling body 139, the inner diameter is larger than the outer diameter of the coil, the outer diameter is smaller than the diameter of the coil receiving space 132 annular cross section It is preferable to have.
  • the second protrusion 138 may have a second coupling member having an inner circumferential surface of the second protrusion 138.
  • the longitudinal section of the second protrusion 138 is installed to engage with one side of the second insulating guide of the second insulating member 122.
  • the second protrusion 138 is preferably fitted to the coil receiving space 132 of the mover frame 131.
  • the second coupling body 139 is formed integrally with the second protrusion 138, it is preferable to have a structure that can cover the other side of the movable frame 131.
  • the appearance of the second coupling body 139 according to an embodiment of the present invention preferably has a structure corresponding to the appearance of the movable frame 131 as in the first coupling body 135 described above.
  • the second coupling body 139 is provided with a through hole 139a through which the stator frame 110b penetrates.
  • the second coupling body 139 is preferably bolted to the mover frame 131.
  • stator frame in which a permanent magnet (not shown) is built with one set of the first coil member 111, the first insulating member 121, the second coil member 112, and the second insulating member 122. 110b) are sequentially installed.
  • the first coil member 111, the first insulation member 121, the second coil member 112, and the second insulation member 122 may be formed according to the strength of electromagnetic force required for the linear motor 100 desired by the operator.
  • the coil unit 110 and the insulation unit 120 having the sequential arrangement as one set may be installed in the stator frame 110b.
  • the mover frame 131 surrounds the coil unit 110 and the insulation unit 120. It is installed in the stator frame 110b.
  • the first coupling member 133 is installed on the mover frame 131 to cover one side of the open coil receiving space 132 of the mover frame 131.
  • the first protrusion 134 of the first coupling member 133 is such that the inner circumferential surface of the first protrusion 134 surrounds the outer circumferential surface of the first coil member 111, and at this time, the first coupling member 133 The inner surface is inserted into the coil accommodating space 132 such that the inner surface is in contact with one surface of the first coil member 111 and the end of the first protrusion 134 is in contact with the first insulating guide 121b.
  • the first coupling member 133 is bolted to the mover frame 131 by bolts 136. do.
  • the second coupling member 137 is installed on the mover frame 131 to cover the other side of the open coil receiving space 132 of the mover frame 131.
  • the second protrusion 138 of the second coupling member 137 has an inner circumferential surface of the second protrusion 138 surrounding the outer circumferential surface of the second coil member 112, and an inner surface of the second coupling member 137 is second.
  • the end of the second protrusion 138 is inserted into the coil receiving space 132 so as to contact the first insulating guide 121b.
  • the second coupling member 137 is bolted to the mover frame 131 by bolts 136.
  • the assembly method of the movable part 100a as described above unlike the prior art, the direct coupling process between the plurality of coil members 111 and 112 and the plurality of insulating members 121 and 122 is omitted, thereby reducing the work process of the worker. Simplification and work time can be shortened.
  • the movable part (100a) In the assembly method of the movable part (100a) according to an embodiment of the present invention, through the plurality of first insulating member 121 and the second insulating member 122, penetrated through the stator frame (110b) connected to the stator frame The plurality of first coil members 111 and the second coil members 112 may be partitioned.
  • the movable part 100a may include the first insulating guide 121b provided in the first insulating member 121 and the second insulating guide 122b provided in the second insulating member 122. Through this, the interval between the first coil member 111 and the second coil member 112 may be regularly partitioned.
  • the movable part 100a is adjacent to the first coupling member 133 and the second coupling member 137 by the first coupling member 133 and the second coupling member 137.
  • the linear motor 100 through the frame unit 130, the arrangement structure of the coil unit 110 and the insulating unit 120 as described above without filling and curing of the molding liquid It can be kept constant, and the manufacturing time can be reduced by simplifying the manufacturing process, thereby increasing the product yield.
  • the linear motor 100 according to the embodiment of the present invention has an effect of reducing the manufacturing cost required for the molding liquid due to the omission of the molding process.
  • coil unit 111 first coil member
  • first insulating plate 121b first insulating guide
  • mover frame 133 first coupling member
  • first protrusion 135 first coupling body

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Electromagnetism (AREA)
  • Manufacturing & Machinery (AREA)
  • Linear Motors (AREA)

Abstract

Un moteur linéaire selon un mode de réalisation de la présente invention comprend : une partie de stator comprenant un cadre de stator ayant un espace interne pour recevoir un aimant permanent dans ce dernier ; et une partie de dispositif de mouvement qui est installée pour entourer la périphérie externe du cadre de stator et est commandée par une force électromagnétique générée entre l'aimant permanent et la partie de dispositif de mouvement lorsqu'un courant est appliqué. Il est préférable que la partie de dispositif de mouvement comprenne : une unité de bobine ayant une pluralité d'éléments de bobine qui sont installés sur le cadre de stator afin d'entourer la périphérie externe du cadre de stator et d'avoir une section transversale de type anneau ; une partie d'isolation ayant une pluralité d'éléments d'isolation installés sur le cadre de stator afin d'être en contact proche avec la section transversale de type anneau des éléments de bobine ; et une unité de cadre qui possède un espace de réception de bobine pour recevoir l'unité de bobine et l'unité d'isolation dans ce dernier, et ferme l'espace de réception de bobine en fixant ainsi les emplacements de l'unité de bobine et de l'unité d'isolation.
PCT/KR2014/012690 2013-12-27 2014-12-23 Moteur linéaire et procédé pour assembler un dispositif de mouvement de ce dernier WO2015099393A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR10-2013-0165061 2013-12-27
KR1020130165061A KR101585750B1 (ko) 2013-12-27 2013-12-27 리니어 모터 및 이의 가동자의 조립방법

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WO2015099393A1 true WO2015099393A1 (fr) 2015-07-02

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101989867B1 (ko) * 2017-11-16 2019-06-17 주식회사 삼현 모듈형 리니어 발전장치
KR102441645B1 (ko) 2020-08-19 2022-09-08 (주)글로벌제이티에스 튜블러 타입 리니어 모터
KR102319618B1 (ko) * 2021-03-11 2021-11-01 주식회사 케이메카트로닉스 리니어 서보 모터

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH11225468A (ja) * 1998-02-05 1999-08-17 Minolta Co Ltd シャフト型リニアモータ
KR100397102B1 (ko) * 2000-09-09 2003-09-06 미래산업 주식회사 원통형 선형전동기
KR20070082443A (ko) * 2006-02-16 2007-08-21 세우산전(주) 원통형 리니어 모터 및 그 제조 방법
KR20080055950A (ko) * 2005-09-28 2008-06-19 티에치케이 가부시끼가이샤 리니어 모터 및 그 제조 방법

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH11225468A (ja) * 1998-02-05 1999-08-17 Minolta Co Ltd シャフト型リニアモータ
KR100397102B1 (ko) * 2000-09-09 2003-09-06 미래산업 주식회사 원통형 선형전동기
KR20080055950A (ko) * 2005-09-28 2008-06-19 티에치케이 가부시끼가이샤 리니어 모터 및 그 제조 방법
KR20070082443A (ko) * 2006-02-16 2007-08-21 세우산전(주) 원통형 리니어 모터 및 그 제조 방법

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KR101585750B1 (ko) 2016-01-14

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