Valve with integrated actuator

Details Valve with integrated actuator Valve with integrated actuator

2006-06-06

2006-06-06

Fox, John (Department: 3753)

Fluid handling

Larner-johnson type valves; i.e., telescoping internal valve...

Reexamination Certificate

active

07055542

ABSTRACT:
This invention relates to a flap valve with a shutter and a pneumatic actuator that is integrated into the valve, said actuator comprising a metal bellow interdependent with the shutter, wherein said bellow is directly welded onto an intermediate flange downstream from the valve and directly onto the shutter at the level of an end part upstream from the valve. The invention also relates to the use of such a valve as an isolating stop valve in the aerospace sector, preferably at high or cryogenic temperatures.

REFERENCES:
patent: 3493008 (1970-02-01), Scaglione
patent: 3556128 (1971-01-01), Scaglione
patent: 3637187 (1972-01-01), Burger
patent: 3784156 (1974-01-01), Paetzel et al.
patent: 4117859 (1978-10-01), Illy
patent: 6213144 (2001-04-01), Moore
patent: 373935 (1963-12-01), None
patent: 2553163 (1975-11-01), None
patent: 3800807 (1989-08-01), None
patent: 19825574 (1999-12-01), None
patent: 0750148 (1995-11-01), None
patent: 0786534 (1997-01-01), None
patent: 2675237 (1991-04-01), None

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