Valving interface for a poppet valve

Details Valving interface for a poppet valve Valving interface for a poppet valve

1995-05-18

1996-07-09

Rivell, John

Fluid handling

Line condition change responsive valves

Direct response valves

251333, F16K 1502, F16K 2500

Patent

active

055335489

ABSTRACT:
A valving interface is provided for use in a poppet valve. The valving interface includes a first convex contoured surface disposed on one end of a poppet and a second convex contoured surface disposed on a valve seat of a housing. When the poppet is seated on the valve seat, the first convex contoured surface contacts the valve seat on or generally adjacent the second convex contoured surface. When the poppet is spaced from the valve seat to permit fluid flow therethrough, the subject arrangement maintains a flow therethrough that keeps the static pressure above the vapor pressure thus eliminating or substantially reducing noise generated by fluid flow therethrough.

REFERENCES:
patent: 3029835 (1962-04-01), Biello
patent: 3987814 (1976-10-01), Hall
patent: 4269227 (1981-05-01), Araki
patent: 4365647 (1982-12-01), Taylor et al.
patent: 5193579 (1993-03-01), Bauer
"The Control of Cavitation in Valves", R. A. Heron, Fluid Power Symposium, Bath, England, Sep. 16-18, 1986.
SAE Paper No. 911804, "Silent Hydraulic Valves", Gabriel Silva, Milwaukee, Wisconsin, Sep. 9-12, 1991.

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