Valve for pump with priming circuit

Details Valve for pump with priming circuit Valve for pump with priming circuit

1994-07-14

1996-05-07

Bertsch, Richard A.

Pumps

With condition responsive pumped fluid control

Normally open bypass or relief passage closed by increased...

417309, 417435, 415 565, 415 566, 137521, F04B 4900

Patent

active

055139590

ABSTRACT:
A pump with a priming circuit containing a valve having a seating with an orifice and an obturator mounted so as to be able to be applied onto the seating in front of the orifice, where the obturator is a resilient blade embedded on one side to the seating. The flexibility of the blade increases from the embedded side to the other. An L-shaped member protrudes from an outer curvilinear wall of a priming element fixed onto the pump. The L-shaped member allows for the seating to be slide into a groove space. The obturator has two holes so that the obturator can be embedded onto the seat by mating with two projections from the seating surface.

REFERENCES:
patent: 2442135 (1948-05-01), Longnecker et al.
patent: 2864394 (1958-12-01), Hempel
patent: 3606588 (1969-04-01), Romerhaus
patent: 4193424 (1980-03-01), Hrabal
patent: 4684333 (1987-08-01), Hirakawa et al.

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