Aircraft low clearance fluid check valve
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United States of America Patent
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Oct 31, 2017
Issued Date -
N/A
app pub date -
Jun 30, 2010
filing date -
Jun 30, 2009
priority date (Note) -
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status (Latency Note)
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Abstract
A fluid check valve for use in an aircraft fluid handling system having a confined surrounding structure where a first distance is defined between a fluid duct and the surrounding structure where the design of the fluid check valve is configured to facilitate removal of a first flange and the flow duct by moving the first flange and flow duct a second distance that is less than the first distance. The check valve is offset into the upstream side of a second flange to provide the reduction in the distance that the first flange has to be displaced to remove the first flange and flow duct from the check valve. A first alternate configuration of the fluid check valve utilizes rotational stops attached to the downstream surface of the flow flaps and in a second alternate embodiment configuration, rotational stops extend upstream from the flow flaps.
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