Two-part flap valve
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United States of America Patent
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-
Jan 9, 2007
Grant Date -
Mar 23, 2006
app pub date -
Dec 16, 2003
filing date -
Dec 20, 2002
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A valve having a housing with a valve seat for a two-piece flap which is rotatably mounted on a drive shaft. An annular piston seal and an adjacent cover disk are disposed between the first part and the second part of the two-piece flap so as to revolve there-around. The diameter of the cover disk is smaller than the diameter of the annular piston seal which is embodied as a metal ring that is provided with a gap. The invention also relates to the use of said valve as a gas recirculation valve.
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