Fluid handling – Systems – With pump
Patent
1996-10-22
1998-09-15
Ferensic, Denise L.
Fluid handling
Systems
With pump
417 84, 417 89, 4171992, E03B 500
Patent
active
058065601
ABSTRACT:
An improved fuel transfer pump is provided for relatively high flow transfer of fuel from one aircraft to another during an inflight refueling procedure, wherein the fuel transfer pump includes a jet-type scavenge pump for evacuating residual fuel from a fuel line or manifold. The scavenge pump comprises a venturi element connected along a recirculation conduit through which a small fuel flow is diverted from the high pressure discharge side of the fuel transfer pump for return to the fuel tank. The recirculation fuel flow induces a vacuum in a suction throat of the venturi element, and this vacuum is coupled by a suction line to evacuate residual fuel from the fuel line or manifold to the fuel tank. A flow baffle is mounted along the recirculation conduit downstream from the venturi element to ensure flooding and priming of the scavenge pump.
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Brown Albert W.
Pickett John
Scanderbeg Dino C.
Ball John
Ferensic Denise L.
J. C. Carter Company, Inc.
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