Multiportion unitary valve seat and valve incorporating it

Details Multiportion unitary valve seat and valve incorporating it Multiportion unitary valve seat and valve incorporating it

1978-03-23

1980-08-05

Rosenthal, Arnold

Valves and valve actuation

Pivoted valves

251162, 251316, 251334, F16K 322, F16K 2500

Patent

active

042158460

ABSTRACT:
The disclosed valve seat is a unitary member consisting of a rigid annular portion supported from an annular base portion by a resilient, annular, wall-like connecting portion. In the disclosed valve, this base portion is secured in the valve housing to space the noted three portions concentrically along the fluid flow path through the housing. As the cooperating eccentrically-rotated valve plug contacts the seating portion, the plug exerts a force on the seating portion which converges the walls of the connecting portion. This prevents jamming between the plug and the seating portion while permitting a tight fluid seal to be established between those parts. A preferred shape (FIG. 2) for the connecting portion which provides such jam-free but tight fluid sealing action is that of a truncated cone having its larger inner diameter at the base portion of the seat member and its smaller inner diameter at the seating portion of the seat member.

REFERENCES:
patent: 3191619 (1965-06-01), Allen
patent: 3623696 (1971-11-01), Baumann
patent: 3689026 (1972-09-01), Self
patent: 3946986 (1976-03-01), Sutter et al.
patent: 3963211 (1976-06-01), Myers
patent: 4073473 (1978-02-01), Rihm et al.
patent: 4074889 (1978-02-01), Engel

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