Minimizing the effects of icing in the intakes of aerospace prop

Details Minimizing the effects of icing in the intakes of aerospace prop Minimizing the effects of icing in the intakes of aerospace prop

1989-02-17

1992-02-04

Carone, Michael J.

Power plants

Combustion products used as motive fluid

With safety device

165 51, 165101, 165 17, 60266, F02K 944

Patent

active

050850377

ABSTRACT:
An air intake suitable for an aerospace propulsor comprises a duct in which are provided two pirmary heat exchangers arranged in parallel relationship and a secondary heat exchanger downstream of the primary heat exchangers. The primary and secondary heat exchangers are arranged to place a cryogenic fluid in heat exchange relationship with the air flow through the duct. Icing of the primary heat exchangers is controlled by interrupting the flow of cryogenic fluid to each of the primary heat exchanger in turn. Thus while one heat exchanger is subject to ice accretion hereon, the temperature of the other increases sufficiently for de-icing thereof to occur.

REFERENCES:
patent: 3775977 (1973-12-01), Builder et al.
patent: 4201044 (1980-05-01), Dodd

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