Pneumatically operated device with valve and switch mechanisms

Details Pneumatically operated device with valve and switch mechanisms Pneumatically operated device with valve and switch mechanisms

1981-01-07

1983-01-11

Tolin, G. P.

Electricity: circuit makers and breakers

Fluid pressure

Diaphragm

200 83J, 200 83L, H01H 3534

Patent

active

043683665

ABSTRACT:
A pneumatically operated device responsive to a signal pressure applied thereto from a source of negative pressure for controlling the atmospheric air applied to a control device and for controlling an electric signal applied to an electric control circuit. The pneumatically operated device includes a diaphragm assembly assembled within a housing to subdivide the interior of the housing into first and second chambers respectively in open communication with the negative pressure source and the atmospheric air, and valve and switch mechanisms arranged within the housing to be operated in response to movement of the diaphragm assembly caused by the pressure difference between the first and second chambers.

REFERENCES:
patent: 3639898 (1972-02-01), Booth
patent: 4191143 (1980-03-01), Yuuki
patent: 4219710 (1980-08-01), Booth
patent: 4235207 (1980-11-01), Nishimura
patent: 4266517 (1981-05-01), Sakakibara

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