Valving element for a plate-type valve

Details Valving element for a plate-type valve Valving element for a plate-type valve

1984-01-16

1985-08-06

Nilson, Robert G.

Fluid handling

Line condition change responsive valves

Direct response valves

13751615, F16K 1508

Patent

active

045329591

ABSTRACT:
The valving element, according to the first embodiment depicted, comprises a plate-type element having an undulated or scalloped edge or periphery. The plate-type element has a plurality of flow ports formed therein each of which subtends an arc drawn from the radial center of the element. The ends of the ports, which otherwise would be subject to fatigue, failure and fracture, are spaced further from the edge than in prior art practice. Accordingly, the shock of impact of the plate-type element on opening or closing is less likely to precipitate fatigue and failure of the port ends. Additionally, at a plurality of locations about the periphery, the plate-type element has linear portions; upon the plate-type element impacting on any of these linear portions, it will make a line contact which more readily disperses the impact shock.

REFERENCES:
patent: 957012 (1910-05-01), Stone
patent: 2390527 (1945-12-01), Flint

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