JPS6312684U

JPS6312684U -

Info

Publication number: JPS6312684U
Application number: JP10158486U
Authority: JP
Priority date: 1986-07-02
Filing date: 1986-07-02
Publication date: 1988-01-27

Description

[Brief explanation of the drawing]

第１図はこの考案の一実施例によるローリング
ピストン式回転圧縮機の横断面図、第２図は同縦
断面図、第３図はこの考案の他の実施例によるロ
ーリングピストン式回転圧縮機におけるシリンダ
の構造を示す斜視図、第４図は第３図の実施例に
対する比較例のシリンダの構造を示す平面図、第
５図はローリングピストン式回転圧縮機の圧縮開
始角と圧縮室容積との関係の代表例を示す曲線図
、第６図は従来例に係わるローリングピストン式
回転圧縮機の横断面図である。１はシリンダ、２はクランク軸、３はローリン
グピストン、５は吸入口、１４は長溝部、１９は
段差部。なお、図中、同一符号は同一または相当
部分を示す。 Fig. 1 is a cross-sectional view of a rolling piston type rotary compressor according to an embodiment of this invention, Fig. 2 is a longitudinal sectional view of the same, and Fig. 3 is a cross-sectional view of a rolling piston type rotary compressor according to another embodiment of this invention. FIG. 4 is a perspective view showing the structure of a cylinder, FIG. 4 is a plan view showing the structure of a cylinder in a comparative example with respect to the embodiment shown in FIG. 3, and FIG. A curve diagram showing a typical example of the relationship, and FIG. 6 is a cross-sectional view of a conventional rolling piston type rotary compressor. 1 is a cylinder, 2 is a crankshaft, 3 is a rolling piston, 5 is an intake port, 14 is a long groove portion, and 19 is a stepped portion. In addition, in the figures, the same reference numerals indicate the same or corresponding parts.

Claims

[Claims for Utility Model Registration] (1) The wall defining the cylinder chamber is characterized by a refrigerant gas relief passage that communicates with the suction port and opens into the cylinder chamber along the direction of rotation of the compression element. A rolling piston rotary compressor. (2) The wall portion is composed of the inner diameter portion of the cylinder and the cylinder-side end portion of each side plate that closes each open end of the cylinder, and the refrigerant gas relief passage is provided in at least one of the side plates. The rolling piston type rotary compressor according to claim 1, which is characterized in that the compressor is formed as a groove. (3) The wall portion is composed of the inner diameter portion of the cylinder and the cylinder side end portions of each side plate that is joined to each end portion of the cylinder and closes each open end thereof, and the refrigerant gas relief passage is The rolling piston according to claim 1, which is a registered utility model, characterized in that a stepped portion is formed at a portion of the inner diameter portion of the cylinder on the side where at least one of the side plates joins the end portion on the cylinder side. rotary compressor. (4) Along the rotation direction of the compression element from the suction port,
The installation range of the refrigerant gas relief passage is 60 mm from the vane.
A rolling piston type rotary compressor according to any one of claims 1 to 3 of the utility model registration claim, characterized in that the rolling piston type rotary compressor has a temperature of at least .degree.