Fluent material handling – with receiver or receiver coacting mea – Combined
Patent
1977-06-06
1978-11-21
Aegerter, Richard E.
Fluent material handling, with receiver or receiver coacting mea
Combined
49 31, 141231, 141311R, 244135A, B65B 304
Patent
active
041261623
ABSTRACT:
A device for opening a door on an airplane to expose a refueling receptacle having latches for connection to a fueling nozzle deployed from a tanker airplane so that the airplane may be refueled in flight. The device has a hydraulic actuator for opening and closing the door, first valve means for controlling the first actuator, a second valve means for controlling another hydraulic actuator that locks and releases the latches, a spring for opening the door when there is a failure in the supply of pressure fluid for the first actuator, and a means to prevent closing of the door before the latches are released from the nozzle.
REFERENCES:
patent: 3976100 (1976-08-01), Souslin
Clark Charles R.
Clark Richard J.
Steele Gerald G.
Aegerter Richard E.
Parker-Hannifin Corporation
Schmidt Frederick R.
Wolfram John N.
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