Telescoping fuel probe

Details Telescoping fuel probe Telescoping fuel probe

1984-01-05

1985-09-10

Barefoot, Galen L.

Aeronautics and astronautics

Aircraft structure

Fuel supply

141 46, B64D 3902

Patent

active

045401446

ABSTRACT:
The telescoping member of an aerial refueling probe is hydraulically actuated for extension/retraction by pressurized fuel. The force for extending the probe is the result of fuel pressure against a check valve in the end of the telescoping member. The force for retraction is the result of fuel pressure in a retraction chamber between the telescoping member and the inner fixed member of the probe wherein the separating force generated therein retracts the telescoping member. A housing is provided to isolate the probe from the environment and to reduce the frictional forces that resist the telescoping motion. A system for locking the telescoping member in its retracted position and in its extended position is also provided. The telescoping member and the housing may be composite graphite/epoxy.

REFERENCES:
patent: 808941 (1906-01-01), Miller et al.
patent: 1742166 (1929-12-01), Gartin
patent: 2663523 (1953-12-01), Leisy
patent: 2862448 (1958-12-01), Belding
patent: 3335642 (1967-08-01), Rosaen
patent: 3476140 (1969-11-01), Jusyk

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