JPS59101046U

JPS59101046U - refrigerant compressor

Info

Publication number: JPS59101046U
Application number: JP19757482U
Authority: JP
Inventors: 常徳森; 武中西
Original assignee: 三菱電機株式会社
Priority date: 1982-12-27
Filing date: 1982-12-27
Publication date: 1984-07-07

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) [Abstract] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

[Brief explanation of the drawing]

第１図は、冷媒圧縮機頭部の断面図、第２図は、従来の
ピストンリングの上面図、第３図は第２図のＩＩＩ−Ｉ
ＩＩ線における断面図、第４図は従来のピストンリング
装着部の拡大断面図、第５図はこの考案の一実施例を示
すピストンリングの上面図、第６図は第５図の■−■線
における断面図、第７図は第５図の■−■線における断
面図、第８図はこの考案の一実施例であるピストンリン
グ装着部の拡大断面図である。なお、図中、同一符号は
同−又は相当部分を示す。図中、１はピストン、１ａはピストンリング溝、２はシ
リ〉′ダ、５はピストンリング、５ｂは逃し溝である。 −−′、Ｉｌａし第５図（ＩＩ −第８図　１Figure 1 is a sectional view of the head of a refrigerant compressor, Figure 2 is a top view of a conventional piston ring, and Figure 3 is taken from III-I in Figure 2.
4 is an enlarged sectional view of a conventional piston ring mounting part, FIG. 5 is a top view of a piston ring showing an embodiment of this invention, and FIG. 6 is a cross-sectional view of FIG. FIG. 7 is a cross-sectional view taken along the line ■--■ in FIG. 5, and FIG. 8 is an enlarged cross-sectional view of a piston ring mounting portion according to an embodiment of this invention. In addition, in the figures, the same reference numerals indicate the same or corresponding parts. In the figure, 1 is a piston, 1a is a piston ring groove, 2 is a cylinder, 5 is a piston ring, and 5b is a relief groove. --', Ila and Fig. 5 (II - Fig. 8 1

Claims

[Scope of utility model registration request]

It is equipped with a piston that reciprocates within a cylinder and a piston ring that is attached to a piston link groove of this piston, and relief grooves that are provided at a substantially equal pitch on the lower surface of the piston ring to communicate between the inner and outer circumferential surfaces of the piston ring. Features of refrigerant compressor.