Pumps – With condition responsive pumped fluid control – Pressure responsive relief or bypass valve
Patent
1994-07-07
1995-12-19
Bertsch, Richard A.
Pumps
With condition responsive pumped fluid control
Pressure responsive relief or bypass valve
417415, 4174131, 417521, 417566, F04B 4900, F04B 1700, F04B 3910, F04B 5310
Patent
active
054763673
ABSTRACT:
A pump comprising a housing including first and second housing sections and a gasket between the first and second housing sections. The housing has a first pumping chamber, an inlet, an inlet passage in the housing leading from the inlet to the pumping chamber, an outlet and an outlet passage in the housing leading from the pumping chamber to the outlet. A pumping member is movable in the pumping chamber to pump fluid through the pump. Inlet and outlet check valves are provided in the inlet and outlet passages, respectively with each of the check valves including a movable valve element. The gasket forms a seal between the first and second housing sections and includes at least one of the valve elements for the check valves.
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Golobay Lloyd D.
Voznick Hal P.
Zimmermann Oskar
Bertsch Richard A.
Kim Ted
Shurflo Pump Manufacturing Co.
Uxa Frank J.
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