Scroll type compressor having a leak passage for the discharge c

Details Scroll type compressor having a leak passage for the discharge c Scroll type compressor having a leak passage for the discharge c

1993-10-27

1994-12-06

Vrablik, John J.

Rotary expansible chamber devices

Working member has planetary or planetating movement

Helical working member, e.g., scroll

F04C 1804

Patent

active

053705122

ABSTRACT:
The present invention relates to a scroll type compressor. The compression gas in a discharge chamber is made to flow into a backside small sealed chamber through a leak passage provided before the position on the revolution angle of the revolving scroll, whereat the back side of a volute wrap of the revolving scroll starts to cross a discharge opening and at the same time a pair of small sealed chambers begin to communicate with the discharge chamber.

REFERENCES:
patent: 4417863 (1983-11-01), Ikegawa et al.
patent: 4678415 (1987-07-01), Hirano et al.

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