Motor vehicle auxiliary power unit vacuum pump
Number of patents in Portfolio can not be more than 2000
United States of America
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May 3, 2022
Grant Date -
Sep 16, 2021
app pub date -
Aug 15, 2016
filing date -
Aug 15, 2016
priority date (Note) -
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Abstract
A vapor pump for an automotive application includes a housing group with a pump housing having a pump chamber, an inlet opening and an outlet opening, and a motor housing having a motor chamber; a rotor shaft made from an electrically conductive material; a pumping wheel made of an electrically conductive plastic material arranged in the pump chamber and mounted on the rotor shaft to rotate therewith to pump the fuel vapor from the inlet opening to the outlet opening; a drive motor arranged in the motor chamber which includes a motor stator, a motor rotor and a motor control unit; a contact plug which electrically connects the motor control unit; and an electrically conductive bearing arrangement which is connected with the contact plug via a conductor. The motor rotor is connected with the rotor shaft to rotate therewith. The electrically conductive bearing arrangement rotatably supports the rotor shaft.
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