Actuator for emergency operation

Details Actuator for emergency operation Actuator for emergency operation

1976-12-07

1978-04-11

Geoghegan, Edgar W.

Power plants

Pressure fluid source and motor

Pneumatic motor with gas supply or removal device

137 68R, 222 5, F15B 1106, F15B 2000

Patent

active

040831876

ABSTRACT:
An actuator for operating a driven device in an emergency comprises: an actuator mechanism having a cylinder, a piston slidably disposed within the cylinder and coupled to the driven device, an operational chamber defined by the cylinder and piston, and a passage communicating with the operational chamber; a high pressure gas generating source comprising a container vessel having an opening, a high pressure gas generating medium contained within the vessel, and a sealing member for sealing the opening of the vessel; and unsealing means operating in response to an emergency operation signal from the outside to unseal the sealing member of the high pressure gas generating source. High pressure gas from the high pressure gas generating medium flows through the opening and passage into the operational chamber upon unsealing of the sealing member of the high pressure gas generating source and operates the piston thereby to drive the driven device.

REFERENCES:
patent: 2653602 (1953-09-01), Smoot
patent: 3031845 (1962-05-01), Ludwig
patent: 3099135 (1963-07-01), Hoadley
patent: 3540218 (1970-11-01), Finn

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