JPS588770U

JPS588770U - refrigeration compressor

Info

Publication number: JPS588770U
Application number: JP10325681U
Authority: JP
Inventors: 稲葉　努
Original assignee: 三菱電機株式会社
Priority date: 1981-07-10
Filing date: 1981-07-10
Publication date: 1983-01-20

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 drawings]

第１図は従来の冷凍圧縮機の断面図、第２図は本考案の
一実施例を示す断面図である。図中、１はクランク軸、２は連接桿、３はピストン、４
はモニタ、５はモータ室、６はクランク室、８は均圧孔
、９は油戻し弁、１４は連通孔、５は吸入管である。尚
、図中同一符号は同−又は相当部分を示す。FIG. 1 is a sectional view of a conventional refrigeration compressor, and FIG. 2 is a sectional view showing an embodiment of the present invention. In the figure, 1 is the crankshaft, 2 is the connecting rod, 3 is the piston, and 4
5 is a monitor, 5 is a motor chamber, 6 is a crank chamber, 8 is a pressure equalization hole, 9 is an oil return valve, 14 is a communication hole, and 5 is a suction pipe. Note that the same reference numerals in the figures indicate the same or equivalent parts.

Claims

[Scope of utility model registration request]

In a refrigerant compressor that consists of a motor chamber that houses the motor and a crank chamber that houses compression elements such as pistons and connecting rods, a balance weight is placed inside the crankshaft that connects the motor and the compression elements, one end of which is the outer periphery of the balance weight of the crankshaft. The surface is opened in the crankshaft radial direction, and the other end is provided with a communication hole that opens to communicate with the circumferential groove provided on the main bearing surface, and communicates with the circumferential groove and opens at the bottom of the motor chamber. A refrigeration compressor characterized by having a suction pipe.