Ice protection system

Details Ice protection system Ice protection system

2005-02-01

2005-02-01

Barefoot, Galen (Department: 3644)

Aeronautics and astronautics

Aircraft structure

Ice prevention

C244S05300R, C060S039093

Reexamination Certificate

active

06848656

ABSTRACT:
An aircraft engine nacelle nose cowl has a supply duct to deliver pressurised hot gas into an internal compartment of the nose cowl. A slot is provided in the nose cowl to enable pressurised hot gas to pass out of the compartment through the slot. As the pressurised hot gas passes out of the compartment through the slot, this causes a film of water on an outer surface of the nose cowl to detach from the nose cowl. The slot is of restricted dimensions which causes localised heating of the nose cowl around the slot as the pressurised hot gas pass out of the compartment through the slot. In this manner ice is prevented from accumulating on the outer surface of the nose cowl and/or ice is removed from the outer surface of the nose cowl.

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Search Report issued Nov. 21, 2003 for corresponding UK application no. GB0311635.7.
Search Report issued Dec. 2, 2003 for corresponding French application no. FR 0306051.

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