Plate-type valve for a pressured-fluid machine, and a valving pl

Details Plate-type valve for a pressured-fluid machine, and a valving pl Plate-type valve for a pressured-fluid machine, and a valving pl

1992-11-23

1994-03-01

Walton, George L.

Fluid handling

Line condition change responsive valves

Direct response valves

251 85, 251337, F16K 1512

Patent

active

052898474

ABSTRACT:
To minimize metal-to-metal engagements of valve components, and relative movements therebetween, as an end toward reducing wear, the valving plate has an integral bushing, and both the plate and the bushing are formed of a non-metallic material. The bushing, therefore, moves with the valving plate; it has grooves formed therein in which to nest the plate-biasing spring.

REFERENCES:
patent: 767118 (1904-08-01), Popham et al.
patent: 828036 (1906-08-01), Lindsay
patent: 1140869 (1915-05-01), Birch
patent: 1385932 (1921-07-01), Stayman
patent: 1839403 (1932-01-01), MacFadden
patent: 2011547 (1935-08-01), Campbell
patent: 2810397 (1957-10-01), Olson et al.
patent: 3556137 (1971-01-01), Billeter
patent: 4408629 (1983-10-01), Lafont
patent: 4632141 (1986-12-01), Post

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