JPS5935691U

JPS5935691U - rotary compressor

Info

Publication number: JPS5935691U
Application number: JP13161982U
Authority: JP
Inventors: 英文斎藤; 林　宗浩; 三谷　寿; 昌尚安藤; 猪坂　弘
Original assignee: 株式会社島津製作所
Priority date: 1982-08-30
Filing date: 1982-08-30
Publication date: 1984-03-06

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 the drawing]

第１図は従来例を示す概略断面図、第２図は第１図にお
ける要部を示す拡大図である。第３図〜第７図は本考案
の一実施例を示し、第３図は概略断面図、第４図〜第７
図は作用説明図である。第８図は本考案の他の実施例を
示す概略断面図、第９図は第８図におけるＩＸ−ＩＸ線
断面図である。１・・・回転体、２・・・ケーシング、４・・・仕切具
、５・・・内周面、５ａ、−５ａ’・・・拡径部、５ｂ
、　　５ｂ’・・・縮径部、５ｃ、　　５ｃ’・・・等
径部、６・・・室。FIG. 1 is a schematic sectional view showing a conventional example, and FIG. 2 is an enlarged view showing the main parts in FIG. 1. Figures 3 to 7 show an embodiment of the present invention, with Figure 3 being a schematic sectional view and Figures 4 to 7 showing an embodiment of the present invention.
The figure is an explanatory diagram of the action. FIG. 8 is a schematic sectional view showing another embodiment of the present invention, and FIG. 9 is a sectional view taken along the line IX-IX in FIG. DESCRIPTION OF SYMBOLS 1... Rotating body, 2... Casing, 4... Partition tool, 5... Inner peripheral surface, 5a, -5a'... Expanded diameter part, 5b
, 5b'...reduced diameter part, 5c, 5c'...equal diameter part, 6...chamber.

Claims

[Scope of utility model registration request]

A rotating body rotatable around an axis is surrounded by a casing, and a plurality of partitions are provided on the rotating body at predetermined intervals in the circumferential direction, and the tips of the partitions are attached to the inner peripheral surface of the casing. A rotary compressor in which a plurality of chambers whose areas change as the rotating body rotates are formed on the outer circumference of the rotating body by constant sliding contact, the inner circumferential surface of the casing An enlarged diameter part whose diameter gradually increases along the direction of rotation of the body, a reduced diameter part whose diameter gradually decreases along the direction of rotation, and a region from the terminal end of this reduced diameter part to the starting end of the enlarged diameter part. and an equal diameter portion provided in the rotor and substantially parallel to and close to the outer circumferential surface of the rotating body, and the equal diameter portion is formed over an angular range equal to or larger than the adjacent interval of each of the partitions. rotary compressor.