Piston and valve arrangement for a wobble plate type pump

Details Piston and valve arrangement for a wobble plate type pump Piston and valve arrangement for a wobble plate type pump

1995-11-01

1997-05-27

Thorpe, Timothy

Pumps

Motor driven

Electric or magnetic motor

417269, 417560, 417566, 1375124, 92 71, 92248, F04B 5310, F04B 5314

Patent

active

056326076

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 outlet check valve includes an outlet valve seat and a movable outlet valve element secured to the gasket at at least two spaced apart regions.

REFERENCES:
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patent: 4610605 (1986-09-01), Hartley
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patent: 5129794 (1992-07-01), Beatty
patent: 5203803 (1993-04-01), Shoenmeyr
patent: 5301663 (1994-04-01), Small, Jr.
patent: 5344292 (1994-09-01), Rabenau et al.

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