Electrical switching valve
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United States of America Patent
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Nov 12, 2013
Grant Date -
Feb 3, 2011
app pub date -
Feb 4, 2009
filing date -
Apr 17, 2008
priority date (Note) -
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status (Latency Note)
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Abstract
An electric switching valve for controlling a pneumatic actuator element includes a housing with a ventilation connection channel, a vacuum connection channel and a consumer connection channel. The vacuum connection channel comprises a first valve seat and the ventilation connection channel comprises a second valve seat. An electromagnetic drive is arranged in the housing. The electromagnetic drive is configured so that a magnetic armature is translationally movable in a passage channel to form a valve closure body for each of the vacuum connection channel and the ventilation connection channel. A cross-sectional constriction device is disposed in the ventilation connection channel.
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