Flap device for an internal combustion engine
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United States of America Patent
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-
Dec 4, 2018
Grant Date -
Feb 2, 2017
app pub date -
Feb 19, 2015
filing date -
Apr 1, 2014
priority date (Note) -
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Abstract
A flap device for an internal combustion engine includes a flow housing which delimits a flow duct, a shaft which rotates and which is supported on one side thereof, a flap body attached to the shaft in the flow duct, an actuator which rotates the shaft and thereby the flap body, an actuator housing having the actuator arranged therein, a first bearing seat formed on the flow housing, a first bearing arranged in the first bearing seat to radially surround the shaft, a second bearing, a chamber which surround the shaft, and a bore arranged to open into the flow duct from the chamber. The shaft protrudes into the actuator housing. The shaft is supported on the one side via the first bearing and via the second bearing. The chamber from which the bore opens into the flow duct is arranged between the first bearing and the second bearing.
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