High gain pneumatic switch

Details High gain pneumatic switch High gain pneumatic switch

F - Mech Eng,Light,Heat,Weapons

15

C

170/63

F15C 1/00 (2006.01) H01H 35/34 (2006.01)

Patent

CA 1210333

-19- ABSTRACT OF THE DISCLOSURE An amplifying pneumatic switch which is responsive to low pressure signals includes a first chamber for receiving an input signal from a first pneumatic pressure source at a first pressure. The first chamber includes a wall formed by a movable, highly resilient diaphragm. A diaphragm plate is disposed generally coextensive with the diaphragm and is responsive to diaphragm movement. A nozzle is coupled to a second source of pneumatic pressure and is sealable for generating a pneumatic output signal at a second pressure. A sealing mechanism including a lever and a plunger coact between the diaphragm and the nozzle for sealing the nozzle in response to the input signal. A spring is provided for biasing the diaphragm plate to a quiescent position in the absence of an input signal.

451734

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