Valve device in a motor vehicle
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United States of America Patent
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-
Feb 26, 2019
Grant Date -
Dec 28, 2017
app pub date -
Dec 15, 2015
filing date -
Dec 19, 2014
priority date (Note) -
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status (Latency Note)
Importance
Abstract
A valve device for a fuel cell arrangement in a motor vehicle includes: a housing; a flow channel extending in the housing; a flap configured to influence a flow cross-section in the flow channel; a shaft to which the flap is attached, the shaft being rotatably supported in the housing; a drive configured to drive the flap via the shaft; a valve seat arranged in the flow channel; and a seal including polytetrafluoroethylene (PTFE) arranged on a radially peripheral edge of the flap, the seal being configured to contact the valve seat with the flap in a closed position of the flap, so that the shaft passes through the flap at an angle. The seal includes a spring.
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