Rotary expansible chamber devices – Working member has planetary or planetating movement – Plural working members or chambers
Patent
1981-02-02
1983-06-07
Lazarus, Ira S.
Rotary expansible chamber devices
Working member has planetary or planetating movement
Plural working members or chambers
418270, 1375121, 137852, F04C 2908
Patent
active
043868908
ABSTRACT:
A delivery valve assembly, especially for a rotary mechanism, such as a compressor, disposed within a valve chamber of a peripheral wall of a housing, which includes a stop disposed within the chamber, a valve seat formed in an end-wall disposed across an outer end of the chamber, and a movable valve element having an open and closed position. The valve element is generally rectangularly shaped in cross-section and comprises a resilient plannar inner portion disposed against the valve seat when it is closed and against the stop when opened. Springs, in the form of a pair of strips are fixedly attached at one end to the peripheral wall and extend across the outer end of the chamber, are attached at their other ends to the inner portion via a pair of side portions. These side portions are resilient and are in substantially opposed relationship. In operation, the springs normally bias the inner portion against the valve seat to its closed position, but when the valve is opened, the inner portion is moved away from its seat until it is disposed against the stop permitting flow to enter and pass through the valve chamber.
REFERENCES:
patent: 3448727 (1969-06-01), Kobayakawa
patent: 3623504 (1971-11-01), Davis
patent: 4012180 (1977-03-01), Berkowitz et al.
patent: 4088428 (1978-05-01), Bannister et al.
patent: 4127369 (1978-11-01), Eiermann et al.
patent: 4149834 (1979-04-01), Eiermann
patent: 4199309 (1980-04-01), Connor
Curtiss-Wright Corporation
Frederick Arthur L.
Lazarus Ira S.
Moy Magdalen
Roen Stephen A.
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