Aircrew breathing systems

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 5542447
SERIAL NO

08372123

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Importance

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Abstract

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A two-way check valve for a breathing gas supply assembly, comprises a body, a first inlet in the body for receiving a normal breathing gas flow, an outlet for delivering a gas flow from the body, first passage means communicating the first inlet with the outlet, second passage means communicating the second inlet with the outlet, a valve member mounted internally of the body so as to be movable between a first position in which it closes communication between the second inlet and the outlet and a second position in which it closes communication between the first inlet and the outlet, and resilient means biasing the valve member towards the first position.

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Patent Owner(s)

Patent OwnerAddress
NORMALAIR-GARRETT LIMITEDWESTLAND WORKS YEOVIL SOMERSET

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Foote, James C Halstock, GB 9 98
Puplett, Derrick J Sherborne, GB 2 33

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