JPS6380087A - Scroll type hydraulic machine - Google Patents

Scroll type hydraulic machine

Info

Publication number
JPS6380087A
JPS6380087A JP61225544A JP22554486A JPS6380087A JP S6380087 A JPS6380087 A JP S6380087A JP 61225544 A JP61225544 A JP 61225544A JP 22554486 A JP22554486 A JP 22554486A JP S6380087 A JPS6380087 A JP S6380087A
Authority
JP
Japan
Prior art keywords
base body
base
fixed
spiral
housing
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
Application number
JP61225544A
Other languages
Japanese (ja)
Other versions
JPH0472076B2 (en
Inventor
Hitoshi Ozawa
仁 小沢
Satoshi Okada
聡 岡田
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Daikin Industries Ltd
Original Assignee
Daikin Industries Ltd
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.)
Filing date
Publication date
Application filed by Daikin Industries Ltd filed Critical Daikin Industries Ltd
Priority to JP61225544A priority Critical patent/JPS6380087A/en
Publication of JPS6380087A publication Critical patent/JPS6380087A/en
Publication of JPH0472076B2 publication Critical patent/JPH0472076B2/ja
Granted legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C18/00—Rotary-piston pumps specially adapted for elastic fluids
    • F04C18/02—Rotary-piston pumps specially adapted for elastic fluids of arcuate-engagement type, i.e. with circular translatory movement of co-operating members, each member having the same number of teeth or tooth-equivalents
    • F04C18/0207—Rotary-piston pumps specially adapted for elastic fluids of arcuate-engagement type, i.e. with circular translatory movement of co-operating members, each member having the same number of teeth or tooth-equivalents both members having co-operating elements in spiral form
    • F04C18/0246—Details concerning the involute wraps or their base, e.g. geometry
    • F04C18/0253—Details concerning the base
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C18/00—Rotary-piston pumps specially adapted for elastic fluids
    • F04C18/02—Rotary-piston pumps specially adapted for elastic fluids of arcuate-engagement type, i.e. with circular translatory movement of co-operating members, each member having the same number of teeth or tooth-equivalents
    • F04C18/0207—Rotary-piston pumps specially adapted for elastic fluids of arcuate-engagement type, i.e. with circular translatory movement of co-operating members, each member having the same number of teeth or tooth-equivalents both members having co-operating elements in spiral form
    • F04C18/0215—Rotary-piston pumps specially adapted for elastic fluids of arcuate-engagement type, i.e. with circular translatory movement of co-operating members, each member having the same number of teeth or tooth-equivalents both members having co-operating elements in spiral form where only one member is moving

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Rotary Pumps (AREA)

Abstract

PURPOSE:To reduce flexure of base body, in a fixed scroll, by forming build-up portions at the rear face side of the base body corresponding to the open position of a suction path and securing said build-up portions to the housing. CONSTITUTION:In the base body 20 of a fixed scroll 2, suction paths 21, 21 are opened at the starting end section 23a of a spiral body 23 and a position facing therewith. Build-up sections 26, 26 extending in arch corresponding to the suction paths 21, 21 are formed at the rear face side of the base body 20. When said build-up sections 26, 26 are secured through fixing screws 9 to the upper housing, the base body 20 is constructed into a beam having fixed opposite ends, thereby the pressure of compressed fluid functioning onto the rear face of the base body 20 and the flexure due to self-weight can be reduced. Consequently, management of gap between spiral bodies is facilitated, thereby the compression performance is stabilized and the burning of spiral body section is prevented.

Description

【発明の詳細な説明】 （産業上の利用分野） 本発明は主として冷凍装置に使用するスクロール形流体
機械に関する。DETAILED DESCRIPTION OF THE INVENTION (Field of Industrial Application) The present invention relates to a scroll-type fluid machine mainly used in a refrigeration system.

（従来の技術） 一般に、此種流体機械は、実開昭ｅｔ−ｅｅ９１号公報
に記載され、第５図に示している通り、吸入管及び吐出
管を接続する密閉ケーシング（Ａ）内の上部に、前記吐
出管に連通ずる吐出孔及び渦巻体をもった固定スクロー
ル（Ｂ）と、この固定スクロール（Ｂ）の渦巻体に対応
する渦巻体をもった公転スクロールＣＣ）とをハウジン
グ（Ｄ）を介して配置する一方、前記ハウジング（Ｄ）
にモータ（Ｅ）を支持し、このモータ（Ｅ）の駆動軸上
端部に公転機構を介して前記公転スクロール（Ｃ）を連
結し、この公転スクロール（Ｃ）の駆動により前記吸入
管から前記ケーシング（Ａ）内に導入した流体を、前記
各スクロール（Ｂ）（Ｃ）の渦巻体間に導入して圧縮し
、この圧縮流体を前記固定スクロール（Ｂ）の吐出孔か
ら前記ケーシング上部の吐出室に吐出し、前記吐出管に
供給する如く構成されている。(Prior Art) In general, this type of fluid machine is described in Japanese Utility Model Application Publication No. Sho et-ee No. 91, and as shown in FIG. A fixed scroll (B) having a discharge hole and a spiral body communicating with the discharge pipe, and a revolving scroll CC) having a spiral body corresponding to the spiral body of the fixed scroll (B) are mounted in a housing (D). while the housing (D)
The revolving scroll (C) is connected to the upper end of the drive shaft of the motor (E) via a revolving mechanism, and the revolving scroll (C) is driven to move the casing from the suction pipe. The fluid introduced into (A) is introduced between the spiral bodies of each of the scrolls (B) and (C) and compressed, and this compressed fluid is passed from the discharge hole of the fixed scroll (B) to the discharge chamber in the upper part of the casing. It is configured such that it is discharged into the air and supplied to the discharge pipe.

所で、本願出願人は、第６図に示す如く先に中心部に吐
出孔（Ｂ１）をもった円板状の基体（Ｂ２）と、該基体
（Ｂ２）の平面から下向きに突設する渦巻体（Ｂ３）及
びこの渦巻体（Ｂ３）の外側外方における基体（Ｂ２）
の外周縁部に下向に突設する環状の隔壁（Ｂ４）とを備
えた固定スクロールＣＢ）の前記隔壁（Ｂ４）における
前記渦巻体（Ｂ３）の始端部位置と該始端部に対向する
対向部位置とに吸入路（Ｂ５）を開設する一方、前記隔
壁（Ｂ４）の非吸入路部位に軸方向の貫通孔を複数個設
けて、前記隔壁（Ｂ４）の端面を前記ハウジング（Ｄ）
の上面外周部に対接させた状態で前記各貫通孔に挿通す
る取付ねじにより前記固定スクロール（Ｂ）を前記ハウ
ジング（Ｄ）に固定したものを提案した。（特願昭６１
−６８６９４号） （発明が解決しようとする問題点） 所が、この流体機械の場合、前記固定スクロールの吸入
路は、コンパクト設計のため、固定スクロールの外径を
拡径することなく前記隔壁の内面部分を欠落して形成さ
れているので、前記固定スクロールにおける隔壁の対向
位置に前記吸入路を開設すると共に、前記隔壁の吸入路
開設部位における肉厚が薄肉となって、吸入路開設部位
間のスパンが、非吸入路部位間のスパンより長くなるの
である。このため、非吸入路と対向する側の基体の梁構
造が、両端固定の固定梁構造となるのに対し、吸入路と
対向する側の基体の梁構造は、両端自由の支持梁構造と
なり、この結果、前記基体の背面に作用する圧縮流体圧
及び基体と渦巻体との自重により前記吸入路と対向する
側の基体の撓みが大きくなり、固定スクロール及び公転
スクロールの渦巻体間の隙間の管理が困難となる問題が
ある。By the way, as shown in FIG. 6, the applicant of the present application has first provided a disk-shaped base (B2) with a discharge hole (B1) in the center, and a base body (B2) that protrudes downward from the plane of the base (B2). A spiral body (B3) and a base body (B2) on the outside of this spiral body (B3)
The starting end position of the spiral body (B3) in the partition wall (B4) of a fixed scroll CB including an annular partition wall (B4) protruding downward from the outer peripheral edge of the fixed scroll CB A suction passage (B5) is opened in the housing (D), while a plurality of axial through holes are provided in the non-suction passage part of the partition (B4) so that the end face of the partition (B4) is connected to the housing (D).
It has been proposed that the fixed scroll (B) is fixed to the housing (D) by means of mounting screws that are inserted into the respective through holes while being in contact with the outer periphery of the upper surface of the scroll. (Special application 1986
(No. 68694) (Problems to be Solved by the Invention) However, in the case of this fluid machine, the suction passage of the fixed scroll is of a compact design, so that the suction passage of the partition wall is not enlarged without increasing the outer diameter of the fixed scroll. Since the inner surface portion is omitted, the suction passage is opened at a position opposite to the partition wall in the fixed scroll, and the wall thickness of the partition wall at the suction passage opening portion is thinner, so that there is no space between the suction passage opening portions. The span is longer than the span between non-suction path parts. Therefore, the beam structure of the base body on the side facing the non-suction passage is a fixed beam structure with both ends fixed, whereas the beam structure of the base body on the side facing the suction passage is a support beam structure with both ends free. As a result, the deflection of the base body on the side facing the suction passage increases due to the compressed fluid pressure acting on the back surface of the base body and the weight of the base body and the spiral body, thereby controlling the gap between the spiral bodies of the fixed scroll and the revolving scroll. There is a problem that makes it difficult.

本発明の目的は、固定スクロールの隔壁に吸入路を開設
する構造であり乍ら、前記吸入路と対向する側の基体の
撓みを少なくできるようにするものである。An object of the present invention is to provide a structure in which a suction passage is provided in the partition wall of a fixed scroll, and to reduce the deflection of the base body on the side facing the suction passage.

（問題点を解決するための手段） しかして、本発明は、円板状の基体（２０）と該基体（
２０）の平面から突没する渦巻体（２３）及び、前記渦
巻体（２３）の外側外方における基体（２０）の外周縁
部に突設する隔壁（２４）とを備え、この隔壁（２４）
における前記渦巻体（２３）の始端部位置と該始端部に
対向する対向部位置とに吸入路（２１）（２１）を開設
した固定スクロール（２）をハウジング（４）に固定し
たスクロール形流体機械において、前記吸入路（２１）
（２１）の開設位置に対応する前記基体（２０）の背面
側に肉盛部（２６）（２６）を形成すると共に、この肉
盛部（２６）（２６）を前記ハウジング（４）に固定し
たものである。(Means for Solving the Problems) Accordingly, the present invention provides a disc-shaped base (20) and a disc-shaped base (20).
A spiral body (23) protruding from the plane of the spiral body (20), and a partition wall (24) projecting from the outer peripheral edge of the base body (20) on the outside of the spiral body (23). )
A scroll-shaped fluid comprising a fixed scroll (2) fixed to a housing (4), which has suction passages (21) (21) at a starting end position of the spiral body (23) and an opposing position opposite to the starting end. In the machine, the suction passage (21)
Overlay parts (26) (26) are formed on the back side of the base (20) corresponding to the opening position of (21), and the overlay parts (26) (26) are fixed to the housing (4). This is what I did.

（作用） 前記肉盛部（２Ｅｌ）（２Ｂ）を設けて、該肉盛部（２
Ｅ３）（２ｆ３）をハウジング（４）に固定することに
より、前記吸入路（２１）（２１）と対向する側の基体
（２０）の梁構造を、両端自由の支持梁構造から両端固
定の固定梁構造に変えることができるので、基体（２０
）の挟みを少な（できるのである。(Function) The built-up parts (2El) (2B) are provided, and the built-up parts (2El) (2B) are provided.
By fixing E3) (2f3) to the housing (4), the beam structure of the base body (20) on the side facing the suction passage (21) (21) can be changed from a supporting beam structure with both ends free to fixed at both ends. Since it can be changed to a beam structure, the base (20
) can be done with less pinching.

（実施例） 図示した流体機械は、下部に吸入管（１１）を接続し、
上部に吐出管（１２）を接続する密閉ケーシング（１）
内の上部に、吸入路（２１）（２１）と、前記吐出管（
１２）に連通ずる吐出孔（２２）及び渦巻体（２３）と
をもった固定スクロール（２）と、この固定スクロール
（２）の渦巻体（２３）に対応する渦巻体（３１）をも
った公転スクロール（３）とを、軸方向に貫通し、前記
吸入路（２１）（２１）と連通ずる一対の流通路（４１
）　　（４１）をもった上部ハウジング（４）を介して
配置する一方、前記ケーシング（１）内の下部に、前記
吸入管（１１）と連通ずる吸入口（５１）をもった下部
ハウジング（５）を配置し、前記各ハウジング（４）（
５）間にモータ（６）の駆動軸（６１）を回転自由に支
持し、この駆動軸（６１）の上端部に、公転機構（７）
を介して前記公転スクロール（３）を連結し、この公転
スクロール（３）の駆動により前記吸入管（１１）内の
流体を、前記吸入孔（５１）から前記モータ（６）のエ
アギャップ、前記流通孔（４１）及び前記吸入路（２１
）（２１）を経て前記渦巻体（２３）（３１）間に導入
して圧縮し、この圧縮流体を前記吐出孔（２２）から吐
出弁（８）を経て吐出室（１３）に吐出する如く構成し
たものである。(Example) The illustrated fluid machine has a suction pipe (11) connected to the lower part,
Sealed casing (1) with discharge pipe (12) connected to the top
The suction passage (21) (21) and the discharge pipe (
A fixed scroll (2) having a discharge hole (22) and a spiral body (23) communicating with the fixed scroll (2), and a spiral body (31) corresponding to the spiral body (23) of the fixed scroll (2). A pair of flow passages (41) pass through the revolving scroll (3) in the axial direction and communicate with the suction passages (21) (21).
) (41), while the lower housing (5) has an inlet (51) in the lower part of the casing (1) communicating with the inlet pipe (11). ), and each housing (4) (
5) A drive shaft (61) of the motor (6) is rotatably supported between the two, and a revolution mechanism (7) is attached to the upper end of the drive shaft (61).
The revolving scroll (3) is connected via the revolving scroll (3), and by driving the revolving scroll (3), the fluid in the suction pipe (11) is transferred from the suction hole (51) to the air gap of the motor (6), and to the air gap of the motor (6). The communication hole (41) and the suction passage (21)
) (21), the fluid is introduced between the spiral bodies (23) and (31) and compressed, and this compressed fluid is discharged from the discharge hole (22) through the discharge valve (8) into the discharge chamber (13). It is composed of

又、前記固定スクロール（２）は、中心部に前記吐出孔
（２２）をもった円板状の基体（２０）と、該基体（２
０）の平面から下向きに突設する前記渦巻体（２３）及
びこの渦巻体（２３）の外側下方における基体（２０）
の外周縁部に下向きに突設する環状の隔壁（２４）とを
備え、この隔壁（２４）における前記渦巻体（２３）の
始端部（２３ａ）位置と、該始端部（２３ａ）と対向す
る対向部位置とに、前記吸入路（２１）（２１）を開設
しており、又、前記隔壁（２４）の非吸入路部位には、
軸方向の貫通孔（２５）を複数個設けて、前記隔壁（２
４）の端面を前記上部ハウジング（４）の上面外周部に
対接させた状態で前記貫通孔（２５）に挿通する取付ね
じ（９）により前記固定スクロール（２）を前記ハウジ
ング（４）に固定している。Further, the fixed scroll (2) includes a disc-shaped base body (20) having the discharge hole (22) in the center, and the base body (2).
the spiral body (23) protruding downward from the plane of the spiral body (23) and the base body (20) below the spiral body (23);
an annular partition wall (24) projecting downward from the outer peripheral edge of the spiral body (23); The suction passages (21) (21) are provided at the opposing position, and the non-suction passage portions of the partition wall (24) are
A plurality of axial through holes (25) are provided to form the partition wall (2).
The fixed scroll (2) is attached to the housing (4) using the mounting screw (9) inserted into the through hole (25) with the end surface of the scroll (2) facing the outer circumference of the upper surface of the upper housing (4). Fixed.

しかして、第１〜４図に示した実施例では、前記吸入路
（２１）（２１）の開設位置に対応する前記基体（２０
）の背面側に、前記吸入路（２１）（２１）に沿って円
弧状に延びる肉盛部（２Ｂ）（２６）を一体に形成する
と共に、この肉盛部（２Ｅｌ）（２６）を前記上部ハウ
ジング（４）に前記取付ねじ（９）を介して固定したの
である。In the embodiment shown in FIGS. 1 to 4, the base body (20) corresponds to the opening position of the suction passage (21) (21).
) are integrally formed with built-up parts (2B) (26) extending in an arc shape along the suction passages (21) (21), and these built-up parts (2El) (26) with the above-mentioned It was fixed to the upper housing (4) via the mounting screw (9).

以上の構成において、前記肉盛部（２６）（２６）は、
固定スクロール（２）の成形時、−体に形成するのであ
り、又、この肉盛部（２６）（２６）は、第１図の如く
非吸入路との対向部位に亘って設け、前記肉盛部（２Ｂ
）（２Ｂ）の周方向両端部に前記貫通孔（２５）を設け
るのである。In the above configuration, the built-up portions (26) (26) are
When the fixed scroll (2) is molded, it is formed into a negative body, and the built-up parts (26) (26) are provided over the area facing the non-suction passage as shown in FIG. Moribe (2B
) (2B) The through holes (25) are provided at both ends in the circumferential direction.

しかして、前記隔壁（２４）に前記吸入路（２１）（２
１）を設けた場合、前記隔壁（２１）の吸入路開設部位
における肉厚が薄くなり、吸入路開設部位間のスパンが
、非吸入路部位間のスパンより長くなって、吸入路（２
１）（２１）と対向する側の基体（２０）の梁構造は、
両端自由の支持梁構造となるのであるが、本発明の如（
前記基体（２０）の背面に前記肉盛部（２６）（２６）
を形成して、この肉盛部（２６）（２６）を上部ハウジ
ング（４）に固定することにより、前記吸入路（２１）
（２１）と対向する側の基体（２０）の梁構造を両端固
定の固定梁構造に変えることができるのである。この結
果、基体（２０）の背面に作用する圧縮流体圧及び基体
（２０）、渦巻体（２３）の自重による前記基体（２０
）の撓みを少なくできるため、前記渦巻体（２３）（３
１）間の隙間の管理が容易であり、圧縮性能を安定させ
ると共に、渦巻体部分の焼付きを防止できるのである。Therefore, the suction passage (21) (2) is connected to the partition wall (24).
1), the wall thickness of the partition wall (21) at the suction passage opening portion becomes thinner, and the span between the suction passage opening portions becomes longer than the span between the non-suction passage portions.
1) The beam structure of the base (20) on the side opposite to (21) is as follows:
The support beam structure is free at both ends, but as in the present invention (
The built-up portions (26) (26) are provided on the back surface of the base (20).
By forming the built-up portions (26) and (26) to the upper housing (4), the suction passage (21)
The beam structure of the base body (20) on the side opposite to (21) can be changed to a fixed beam structure with both ends fixed. As a result, the compressed fluid pressure acting on the back surface of the base (20) and the weight of the base (20) and the spiral body (23) cause the base (20) to
) can reduce the deflection of the spiral body (23) (3
1) It is easy to manage the gap between the two, which stabilizes the compression performance and prevents the spiral body from seizing.

尚、以上説明した実施例では、肉盛部（２６）（２６）
を基体（２０）と一体に形成したが、その他別個に形成
して、前記取付ねしく９）を介して前記ハウジング（４
）に固定してもよいし、又、前記別個に形成した肉盛部
（２６）（２６）を前記基体（２０）に接若、溶若など
の取付手段で固定し、前記取付ねじ（９）を前記肉盛部
（２Ｂ）（２６）を除いた部位に取付けてもよい。In addition, in the embodiment described above, the overlay parts (26) (26)
is formed integrally with the base body (20), but is formed separately from the housing (4) via the mounting screw 9).
), or alternatively, the separately formed built-up parts (26) (26) may be fixed to the base body (20) by attachment means such as welding or welding, and then the mounting screws (9 ) may be attached to the parts other than the built-up parts (2B) and (26).

（発明の効果） 以上の如く本発明は、円板状の基体（２０）と該基体（
２０）の平面から突設する渦巻体（２３）及び前記渦巻
体（２３）の外側外方における基体（２０）の外周縁部
に突設する隔壁（２４）とを備えた固定スクロール（２
）の前記隔壁（２４）に吸入路（２１）（２１）を開設
した構造であり乍ら、前記吸入路（２１）（２１）の開
設位置に対応する前記基体（２０）の背面側に肉盛部（
２６）（２６）を形成すると共に、この肉盛部（２６）
（２６）をハウジング（４）に固定したから、前記吸入
路（２１）（２１）と対向する側の基体（２０）の梁構
造を、両端自由の支持梁構造から両端固定の固定梁構造
に変えることができ、このため、前記基体（２０）の圧
縮流体圧などによる挾みを少なくできるのである。従っ
て、固定スクロール（２）及び公転スクロール（３）の
渦巻体（２３）（３１）間の隙間の管理が容易であり、
圧縮性能を安定させることができると共に、前記渦巻体
部分の焼付きを防止でき、長期間に亘って使用すること
ができるのである。(Effects of the Invention) As described above, the present invention provides a disc-shaped base (20) and a disc-shaped base (20).
A fixed scroll (20) comprising a spiral body (23) protruding from the plane of the scroll body (20) and a partition wall (24) protruding from the outer peripheral edge of the base body (20) on the outside of the spiral body (23).
) has a structure in which suction passages (21) (21) are opened in the partition wall (24) of the base body (20), and there is a wall on the back side of the base (20) corresponding to the opening position of the suction passages (21) (21). Moribe (
26) (26) and this built-up part (26)
(26) is fixed to the housing (4), the beam structure of the base body (20) on the side facing the suction passage (21) (21) is changed from a support beam structure with free ends at both ends to a fixed beam structure with both ends fixed. Therefore, it is possible to reduce the pinching of the base body (20) due to compressed fluid pressure or the like. Therefore, it is easy to manage the gap between the spiral bodies (23) and (31) of the fixed scroll (2) and the revolving scroll (3),
Not only can the compression performance be stabilized, but also seizure of the spiral body portion can be prevented, and it can be used for a long period of time.

【図面の簡単な説明】[Brief explanation of the drawing]

第１図は本発明流体機械の一実施例を示す要部のみの拡
大横断平面図、第２図は第１図■−■線断面図、第３図
は第１図ＩＩＩ−ＩＩＩ線断面図、第４ある。 （２）・・・・・・固定スクロール （２０）・・・・・・基体 （２１）・・・・・・吸入路 （２３）・・・・・・渦巻体 （２４）・・・・・・隔壁 （２６）・・・・・・肉盛部 （４）・・・・・・ハウジング 第４図 第５図 と 第６図Fig. 1 is an enlarged cross-sectional plan view of only the main parts showing an embodiment of the fluid machine of the present invention, Fig. 2 is a sectional view taken along the line ■-■ of Fig. 1, and Fig. 3 is a sectional view taken along the line III-III of Fig. 1. , there is a fourth. (2)...Fixed scroll (20)...Base (21)...Suction passage (23)...Spiral body (24)...・・Partition wall (26) ・・・Build-up part (4) ・・・Housing Fig. 4 Fig. 5 and Fig. 6

Claims (1)

【特許請求の範囲】[Claims] （１）円板状の基体（２０）と該基体（２０）の平面か
ら突設する渦巻体（２３）及び、前記渦巻体（２３）の
外側外方における基体（２０）の外周縁部に突設する隔
壁（２４）とを備え、この隔壁（２４）における前記渦
巻体（２３）の始端部位置と該始端部に対向する対向部
位置とに吸入路（２１）（２１）を開設した固定スクロ
ール（２）をハウジング（４）に固定したスクロール形
流体機械において、前記吸入路（２１）（２１）の開設
位置に対応する前記基体（２０）の背面側に肉盛部（２
６）（２６）を形成すると共に、この肉盛部（２６）（
２６）を前記ハウジング（４）に固定したことを特徴と
するスクロール形流体機械。(1) A disk-shaped base (20), a spiral body (23) protruding from the plane of the base (20), and an outer peripheral edge of the base (20) on the outside of the spiral body (23). A protruding partition wall (24) is provided, and suction passages (21) (21) are provided at the starting end position of the spiral body (23) in the partition wall (24) and at the opposing position opposite to the starting end part. In a scroll type fluid machine in which a fixed scroll (2) is fixed to a housing (4), a built-up part (2) is provided on the back side of the base (20) corresponding to the opening position of the suction passage (21) (21).
6) (26), and this built-up part (26) (
26) is fixed to the housing (4).
JP61225544A 1986-09-24 1986-09-24 Scroll type hydraulic machine Granted JPS6380087A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP61225544A JPS6380087A (en) 1986-09-24 1986-09-24 Scroll type hydraulic machine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP61225544A JPS6380087A (en) 1986-09-24 1986-09-24 Scroll type hydraulic machine

Publications (2)

Publication Number Publication Date
JPS6380087A true JPS6380087A (en) 1988-04-11
JPH0472076B2 JPH0472076B2 (en) 1992-11-17

Family

ID=16830954

Family Applications (1)

Application Number Title Priority Date Filing Date
JP61225544A Granted JPS6380087A (en) 1986-09-24 1986-09-24 Scroll type hydraulic machine

Country Status (1)

Country Link
JP (1) JPS6380087A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5624587A (en) * 1993-03-08 1997-04-29 Mitsubishi Denki Kabushiki Kaisha Laser machining apparatus and method of setting focus thereof

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5624587A (en) * 1993-03-08 1997-04-29 Mitsubishi Denki Kabushiki Kaisha Laser machining apparatus and method of setting focus thereof

Also Published As

Publication number Publication date
JPH0472076B2 (en) 1992-11-17

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