Power plants – Reaction motor – Interrelated reaction motors
Patent
1974-11-06
1977-06-21
Gordon, Clarence R.
Power plants
Reaction motor
Interrelated reaction motors
60229, 23926533, 251212, 23926527, 60230, F02K 302
Patent
active
040302903
ABSTRACT:
A thrust reverser suitable for reversing the flow direction of the fan air of a fan jet engine is disclosed. The thrust reverser comprises a cascade section and a fan duct blocker section. The cascade section includes a series of cascade elements mounted in a side-by-side manner about a portion of the engine nacelle for rotation through an arc of 90.degree. about longitudinal axes lying generally parallel to the direction of fan air flow. Each cascade element includes an inner panel, an outer panel, and a series of vanes located between the inner and outer panels. Rotation is between a closed position whereat the inner panel forms a portion of the fan air duct and the outer panel forms a portion of the outer surface of the nacelle, and an open position whereat the vanes define passageways adapted to reverse fan air flow i.e., direct fan air flow back toward the front of the engine. The fan duct blocker section comprises a series of blocker elements linked together and lying about the inner wall of the fan air duct between the cascade elements and the aft end of the fan air duct. The blocker elements are adapted to fan outwardly and form a door that blocks the fan air duct when the cascade elements are in their open position.
REFERENCES:
patent: 2878643 (1959-03-01), Fox
patent: 3034296 (1962-05-01), Keen
patent: 3040524 (1962-06-01), Kurti
patent: 3050937 (1962-08-01), James
patent: 3475913 (1969-11-01), Mortlock
patent: 3747341 (1973-07-01), Davis
patent: 3794246 (1974-02-01), Weise
patent: 3824785 (1974-07-01), Soligny
Gordon Clarence R.
The Boeing Company
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