Aeronautics and astronautics – Miscellaneous
Patent
1980-07-10
1982-09-21
Woodiel, Donald O.
Aeronautics and astronautics
Miscellaneous
73180, G01C 2100
Patent
active
043503144
ABSTRACT:
An aircraft instrument system for use on winged aircraft having an indicator visibly displaying a linearly variable ratio of a first pressure differential between a first pressure at a first location on the wing and a second pressure at a second location on the wing spaced from the first location and a second pressure differential between a third pressure at a third location on the wing and a fourth pressure at a fourth location on the wing spaced from the third location. An air pressure-electrical transducer is provided which is responsive to the first, second, third and fourth pressures for producing plural electrical signal outputs indicative of the individual pressures thus detected. An electrical circuit is responsive to each of the electrical signal outputs for producing a quotient signal representing the aforesaid linearly variable ratio. The indicator is responsive to the quotient signal. The air pressure-electrical transducer is fixedly mounted inside a compartment in the wing of the aircraft. An air-water separator unit is also provided in the compartment to facilitate the removal of water that may enter the orifices on the wing and through which the first, second, third and fourth pressures are transmitted to the air pressure-electrical transducer.
REFERENCES:
patent: 2287497 (1942-06-01), Rockefeller
patent: 2635152 (1953-04-01), Dyche, Jr.
patent: 3327529 (1967-06-01), Bowies et al.
patent: 3580069 (1971-05-01), Warren et al.
patent: 4235104 (1980-11-01), Hoadley et al.
The Board of Trustees of Western Michigan University
Woodiel Donald O.
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