Pumps – With condition responsive pumped fluid control – Inlet throttle or stop valve
Patent
1975-12-30
1978-05-16
Freeh, William L.
Pumps
With condition responsive pumped fluid control
Inlet throttle or stop valve
F04B 4900
Patent
active
040896234
ABSTRACT:
A compressor intake throttle valve is positioned in accordance with the inlet suction of the compressor, regulating the volume of inlet air in accordance with the load on the compressor. A relief valve connected with the compressor outlet opens when the compressor outlet pressure exceeds a set value and vents compressed air to the compressor intake passage at a point between the throttle valve and the compressor inlet, closing the throttle valve.
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patent: 3961862 (1976-06-01), Edstrom et al.
patent: 3969041 (1976-07-01), Thausing et al.
patent: 3994358 (1976-11-01), Smitley
Freeh William L.
Look Edward
Sullair Schraubenkompressoren GmbH
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