Super contingency aircraft engine control

Details Super contingency aircraft engine control Super contingency aircraft engine control

1982-05-26

1985-02-19

Shaw, Gareth D.

Boots, shoes, and leggings

364433, 36443102, G06F 1550, G05B 1302, F02C 942

Patent

active

045009660

ABSTRACT:
A fuel control (23) for an aircraft engine (10) employs super contingency logic (76) in response to low rotor speed of a helicopter (130) engine failure (131) or entry into an avoid region of a flight regime following engine failure (133) to alter (161, 166-169) limits on the gas generator (30) of a free turbine gas engine (10), whereby following engine failure or in periods of extreme power need, risk of stressing an engine to its failure point is undertaken in favor of acquiring enough power to avoid a certain crash.

REFERENCES:
patent: 3963372 (1976-06-01), McLain et al.
patent: 3969890 (1976-07-01), Nelson
patent: 4083235 (1978-04-01), Gallant
patent: 4117668 (1978-10-01), Elsaesser et al.
patent: 4236212 (1980-11-01), Arents
patent: 4296601 (1981-10-01), Martin
patent: 4410948 (1983-10-01), Doniger et al.

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