Pumps – With condition responsive pumped fluid control – Inlet throttle or stop valve
Patent
1988-08-29
1990-07-03
Smith, Leonard E.
Pumps
With condition responsive pumped fluid control
Inlet throttle or stop valve
417286, 417287, 417288, 417428, F04B 4902
Patent
active
049386662
ABSTRACT:
In a compressor having a plurality of banks of cylinders, smaller steps of unloading are achieved by unloading a single cylinder in a bank. When only one cylinder is to be unloaded, gas bypass is used in order to maintain a closer balance of forces in the bank. When the entire bank is unloaded, it is preferably done via the suction cutoff method.
REFERENCES:
patent: 2555004 (1951-05-01), Rinehart
patent: 4382749 (1983-05-01), Teegarden et al.
DeSantis John J.
Fraser Bruce A.
Kaido Peter F.
Carrier Corporation
Savio, III John A.
Smith Leonard E.
Zobkiw David J.
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