Aircraft engine deactivation apparatus

Details Aircraft engine deactivation apparatus Aircraft engine deactivation apparatus

1990-05-23

1991-12-24

Peters, Jr., Joseph F.

Aeronautics and astronautics

Miscellaneous

244 76R, 244121, 340904, 340945, G08B 2100

Patent

active

050744887

ABSTRACT:
Aircraft engine deactivation apparatus for stopping an aircraft engine while the aircraft is on the ground. The apparatus is for safety purposes and is used to prevent a detected object from coming into contact with an engine driven propeller or a jet propulsion intake. A detector, preferably an infra-red radiation sensor, detects an object or person within a selected distance and within a seleced area about the engine. Upon detection, a mechanical engine deactivator, such as brake calipers engageable with the engine flywheel, or an electronic deactivator, such as an electronic switch operable to ground magnetos, shuts down the engine. A by-pass switch renders the system inoperable, when desired.

REFERENCES:
patent: 3203305 (1965-08-01), Fairbanks
patent: 3448822 (1969-06-01), La Lone et al.
patent: 3789950 (1974-02-01), Strenglein
patent: 3921749 (1975-11-01), Kawada
patent: 3935559 (1976-01-01), Straffon
patent: 4407388 (1983-10-01), Steel
patent: 4688656 (1987-08-01), Kent

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