High pressure ball-poppet control valve with flow control

Details High pressure ball-poppet control valve with flow control High pressure ball-poppet control valve with flow control

2007-05-08

2007-05-08

Lee, Kevin (Department: 3753)

Fluid handling

Systems

Supply and exhaust

C137S596160, C137S596180, C137S884000, C137S901000, C091S454000, C091S464000

Reexamination Certificate

active

10141361

ABSTRACT:
A control valve for operating a fluid-actuated device includes a fluid inlet, a fluid outlet and a passage in fluid communication between the fluid inlet and the fluid outlet, the passage defining a longitudinal axis. A valve seat is disposed in the passage and includes an upstream diameter and a downstream diameter, the downstream diameter smaller than the upstream diameter. A ball poppet is positionable in a seated line contact position with the valve seat. The valve seat has a valve seat angle relative to a centerline of the longitudinal axis that is greater than an angle formed by the centerline and a line tangent to the ball poppet at the seated line contact position.

REFERENCES:
patent: 2503827 (1950-04-01), Langmore et al.
patent: 3038495 (1962-06-01), Fortin
patent: 3884266 (1975-05-01), Kondo
patent: 3934610 (1976-01-01), Solie
patent: 4067357 (1978-01-01), Ruchser
patent: 4111226 (1978-09-01), Cameron
patent: 4754693 (1988-07-01), Teltscher
patent: 4883091 (1989-11-01), Weiler et al.
patent: 4953593 (1990-09-01), Edwards et al.
patent: 5113907 (1992-05-01), Russell
patent: 5454399 (1995-10-01), Kazakis et al.
patent: 5567023 (1996-10-01), Yoo
patent: 5918631 (1999-07-01), Weiler, Jr. et al.
Ross Operating Valve Company product literature, pp. 709-712.

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