VACUUM PUMP FOR A MOTOR VEHICLE
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United States of America Patent
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Issued Date -
Jul 14, 2016
app pub date -
Oct 25, 2013
filing date -
Nov 19, 2012
priority date (Note) -
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Abstract
The invention relates to a vacuum pump (1) for a motor vehicle, comprising a pump housing surface (8), on which a noise reduction hood (30) delimiting a sound damping volume is mounted. The invention is characterized in that the noise reduction hood (30), on at least one inner surface facing the pump housing surface (8), has a three-dimensional sound dissipation structure (60).
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