Pumps – Expansible chamber type – Having pumping chamber pressure responsive distributor
Patent
1988-06-13
1989-08-08
Smith, Leonard E.
Pumps
Expansible chamber type
Having pumping chamber pressure responsive distributor
277166, 137855, 417566, F04B 2102, F16K 1514
Patent
active
048548391
ABSTRACT:
A valve plate for a motor compressor has a continuously smooth figure-eight shaped port for reducing stresses along the primary longitudinal axis of a reed valve associated with the port, and an arrangement for providing a mechanical interlock for a head gasket to inhibit pressure loss between adjacent compressor cylinders.
REFERENCES:
patent: 1370254 (1921-03-01), Yearsley
patent: 2725183 (1955-11-01), Hanson
patent: 3090402 (1963-05-01), St Clair
patent: 3200838 (1965-08-01), Sheaffer
patent: 4213620 (1980-07-01), Kennedy et al.
patent: 4257458 (1981-03-01), Kondo et al.
patent: 4503347 (1985-03-01), Bergman
patent: 4721443 (1988-01-01), Allen
Blackmon Robert N.
Copeland Corporation
Smith Leonard E.
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