Regulating vacuum valve

Details Regulating vacuum valve Regulating vacuum valve

2006-02-07

2006-02-07

Look, Edward K. (Department: 3751)

Valves and valve actuation

Electrically actuated valve

Rotary electric actuator

C251S266000, C251S294000, C251S339000, C137S219000

Reexamination Certificate

active

06994311

ABSTRACT:
A regulating vacuum valve comprises a valve body with a through-channel a closure member which is adjustable over a control path between a closed position of the regulating vacuum valve in which it contacts a valve seat and closes the through-channel and an open position of the regulating vacuum valve in which it is raised from the valve seat, an adjusting device which has a drive unit for adjusting the closure member over the control path, a carrying unit which carries the closure member and is supported so as to be displaceable relative to the closure member. The carrying unit is arranged in the through-channel and is secured to the valve body, and the carrying unit has a chamber which is sealed relative to the through-channel and in which the adjusting device or at least a portion thereof is arranged.

REFERENCES:
patent: 1699217 (1929-01-01), Wilson
patent: 2878827 (1959-03-01), Johnson et al.
patent: 4577654 (1986-03-01), Pringle
patent: 4749000 (1988-06-01), Ring et al.
patent: 5172722 (1992-12-01), Nishimura
patent: 5873562 (1999-02-01), Marugg
patent: 6325096 (2001-12-01), Rising et al.
patent: 34 22 589 (1985-12-01), None

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