Scroll-type compressor having cooling and lubrication holes to v

Details Scroll-type compressor having cooling and lubrication holes to v Scroll-type compressor having cooling and lubrication holes to v

1991-04-19

1992-08-25

Vrablik, John J.

Rotary expansible chamber devices

Working member has planetary or planetating movement

Helical working member, e.g., scroll

418 556, 418100, F04C 1804, F04C 2902

Patent

active

051414228

ABSTRACT:
A scroll-type compressor has a ring-shaped protruding portion of a front case is fitted into an opening end of a case body so as to construct a housing, a stationary scroll and a revolving scroll which are engaged with each other when they are disposed in the housing. The stationary scroll is fixed to the housing, and at the same time, the revolving scroll is made to revolve in solar motion by a revolution drive mechanism from a rotary shaft while checking rotation on its axis of the revolving scroll by a rotation check mechanism. More particularly, a compressor in which a gas suction port is opened at a location where the ring-shaped protruding portion of the case body is engaged and at least one and more draught holes including a through hole which penetrates to the inside opposing to the suction port are provided on the ring-shaped protruding portion. It is thereby possible to improve cooling and lubrication of the rotation check mechanism and the revolution drive mechanism.

REFERENCES:
patent: 4484869 (1984-11-01), Nakayama et al.
patent: 4538975 (1985-09-01), Tsukagoshi

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