Pumps – With condition responsive pumped fluid control – Expansible chamber pump distributor operation modified
Patent
1981-03-27
1983-06-21
Camby, John J.
Pumps
With condition responsive pumped fluid control
Expansible chamber pump distributor operation modified
62228, F04B 4900, F25B 100
Patent
active
043891683
ABSTRACT:
Apparatus for modulating the capacity of a reciprocating compressor having a cylinder chamber and a valve assembly extending over the cylinder chamber, defining fluid inlet and outlet paths, and including a suction valve for regulating vapor flow through the inlet path. The capacity modulating apparatus comprises a lever, a fulcrum, and control means. The lever extends through the fluid inlet path and above the suction valve, and has a first end located outside the valve assembly and a second end engaging the suction valve. Both the fulcrum and the control means engage the lever, and the control means is provided for applying a variable force to the lever wherein the lever transmits the force to the suction valve to urge the suction valve to an open position.
REFERENCES:
patent: 816964 (1906-04-01), Clark
patent: 1931833 (1933-10-01), Sparacino
patent: 2626099 (1953-01-01), Ashley
patent: 3166236 (1965-01-01), Michener
patent: 3490683 (1980-01-01), Kocher
patent: 3759057 (1973-09-01), English et al.
patent: 3844686 (1974-10-01), Le Blanc
Fraser Bruce A.
Yannascoli Donald
Camby John J.
Carrier Corporation
Daley Donald F.
Zobkiw David J.
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