Pumps – With condition responsive pumped fluid control – Inlet throttle or stop valve
Patent
1984-07-02
1985-12-17
Gluck, Richard E.
Pumps
With condition responsive pumped fluid control
Inlet throttle or stop valve
F04B 4900
Patent
active
045589941
ABSTRACT:
An electric motor driven portable air compressor consists of a reciprocating piston and cylinder arrangement with an intake throttling valve operative to unload the compressor above a predetermined pressure level. The throttling valve is a spring loaded plunger responsive to compressor output to close one of two inlet openings to reduce the charge of air in the cylinder. A stainless steel intake leaf spring is disposed between the cylinder and a two part die cast housing and is responsive to cylinder suction for control of the compressor.
REFERENCES:
patent: 1126613 (1915-01-01), Brandstetter et al.
patent: 2741424 (1956-04-01), Ploeger
patent: 4193424 (1980-03-01), Hrabel
patent: 4382749 (1983-05-01), Teegarden et al.
Evans Raymond J.
Schaub Erwin L.
Sharp Bernard C.
Viola Frank J.
Balazs Joseph B.
Gluck Richard E.
Parker-Hannifin Corporation
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