JPS60110692U

JPS60110692U - Scroll type fluid machine

Info

Publication number: JPS60110692U
Application number: JP19914783U
Authority: JP
Inventors: 杉元　民夫
Original assignee: 三菱重工業株式会社
Priority date: 1983-12-28
Filing date: 1983-12-28
Publication date: 1985-07-26

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

[Brief explanation of drawings]

第１図ないし第３図は従来のスクロール型圧縮、機のス
クロール部材を示し、第１図は第２図のＩ−■線に沿う
断面図、第２図は第１図の■−■線に沿う断面図、第３
図ａ、　ｂ、　Ｃ，ｄはスクロール部材の噛合状態の変
化を示す第１図に対応する図である。第４図ないし第７
図はさきに提案した考案の１実施例を示し、第４図はス
クロール部材の部分正面図、第５図は第４図の■−■線
に沿う断面図、第６図１．２．３はスクロール部材の噛
合状態の変化を示す第４図に対応する図、第７図は密閉
小室内の圧力の変化の状態を示す線図である。第８図な
いし第９図は本考案の１実施例を示し、第８図はスクロ
ール部材の部分的正面図、第９図は固定スクロール部材
のうず巻体の中心側先端部の斜視図、第１０図は本考案
の第２の実施例を示す第８図に対応する図、第１１図は
密閉小室内の圧力の変化を示す線図である。固定スクロール部材・・・・・・１、うず巻体・・・・
・・１ａ１腹面・・・・・・１０３、背面・・・・・・
１０２、可動スクロール部材・・・・・・２、うず巻体
・・・・・・２ム、腹面・・・・・・２０３、背面・・
・・・・２０２、吐出ポート・・曲５、切欠き・・・・
・・１０゜Figures 1 to 3 show the scroll member of a conventional scroll type compression machine. 3rd cross-sectional view along
Figures a, b, c, and d correspond to Figure 1, showing changes in the meshing state of the scroll members. Figures 4 to 7
The figures show one embodiment of the previously proposed idea, with Fig. 4 being a partial front view of the scroll member, Fig. 5 being a sectional view taken along the line ■-■ in Fig. 4, and Fig. 6 1.2.3. 7 is a diagram corresponding to FIG. 4 showing changes in the meshing state of the scroll members, and FIG. 7 is a diagram showing changes in the pressure inside the closed chamber. 8 and 9 show one embodiment of the present invention, in which FIG. 8 is a partial front view of the scroll member, FIG. 9 is a perspective view of the center side tip of the spiral body of the fixed scroll member, and FIG. FIG. 10 is a diagram corresponding to FIG. 8 showing a second embodiment of the present invention, and FIG. 11 is a diagram showing changes in pressure inside the closed chamber. Fixed scroll member...1, Spiral body...
...1a1 Ventral surface...103, Dorsal surface...
102, Movable scroll member...2, Spiral body...2mm, ventral surface...203, back...
...202, Discharge port...Track 5, Notch...
・・10゜

Claims

[Scope of utility model registration request]

A notch is provided at the center-side tip of the spiral body of the fixed scroll member, and this notch is connected to a second portion surrounded by the fixed scroll, the vent surface of the spiral body of the member, and the back surface of the spiral body of the movable scroll member. communicating with the discharge port a first sealed chamber surrounded by a back surface of the spiral of the fixed scroll member and a ventral surface of the spiral of the movable scroll member substantially at the same time as the chamber communicates with the discharge port; ,
A scroll-type fluid machine characterized in that it provides a sufficient fluid flow path area.