Aircraft-de-icing system

Details Aircraft-de-icing system Aircraft-de-icing system

1989-06-16

1991-01-22

Basinger, Sherman

Aeronautics and astronautics

Aircraft structure

Ice prevention

244134R, 137 93, 137 88, B64D 1510

Patent

active

049864971

ABSTRACT:
The invention comtemplates preparation of glycol/water de-icing mixtures in a demand-operated system wherein index of refraction and temperature are continuously monitored in a recirculating loop. The supply of heat and changes in mixing proportions of separate flows of water and of glycol are monitored until such time as predetermined values of mixed-fluid temperture and refractive index are achieved. A computer accepts monitoring-signal values for mixed-fluid temperature and refractive index, and further accepts ambient-condition signal values for set-point variation in mixing proportions, as necessary for economical use of glycol in the mixture, under each of a plurality of different ambient conditions.

REFERENCES:
patent: 2483102 (1949-09-01), Pierson
patent: 2868216 (1959-01-01), Robertson
patent: 3124148 (1964-03-01), Kleiss et al.
patent: 3307744 (1967-03-01), Burford
patent: 4191348 (1980-03-01), Holwerda
patent: 4842005 (1989-06-01), Hope et al.

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