Valved discharge mechanism of a fluid displacement apparatus

Details Valved discharge mechanism of a fluid displacement apparatus Valved discharge mechanism of a fluid displacement apparatus

1997-04-29

1998-12-15

Freay, Charles G.

Pumps

Expansible chamber type

Having pumping chamber pressure responsive distributor

137856, F04B 3910

Patent

active

058488820

ABSTRACT:
A discharge valve assembly for use in a fluid displacement apparatus has a suction chamber and a discharge chamber on one side of a valve plate, a compression chamber on the other side of the valve plate and a passage formed in the valve plate extending between the compression chamber and the discharge chamber. The discharge valve assembly comprises a valve limiting device secured to the valve plate for limiting the bending movement of a valve member. The valve member is bent away from the valve plate when all external pressure influences are removed. Noise and vibration caused by the striking of the valve member against the valve seat and the retainer member are thereby decreased.

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