Rotary expansible chamber devices – Working member has planetary or planetating movement – Helical working member – e.g. – scroll
Patent
1985-05-08
1987-03-10
Vrablik, John J.
Rotary expansible chamber devices
Working member has planetary or planetating movement
Helical working member, e.g., scroll
418 97, F04C 1804, F04C 2902
Patent
active
046488146
ABSTRACT:
A scroll fluid machine has a stationary scroll member and an orbiting scroll member each having an end plate and a spiral wrap. At least one oil injection port and at least one oil relieving passage is formed in the end plate of either one of the scroll members. The oil injection port opens into at least one of the enclosed spaces, while the oil relieving passage provides an intermittent communication between that enclosed space and a space or chamber of an intermediate pressure formed by the scroll members which includes a suction chamber.
REFERENCES:
patent: 3884599 (1975-05-01), Young et al.
patent: 4314796 (1982-02-01), Terauchi
Hitachi , Ltd.
Vrablik John J.
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