Electric motor driven liquid pump, in particular for the forced lubrication of a manual transmission for motor vehicles
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United States of America Patent
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Oct 22, 2019
Grant Date -
Dec 29, 2016
app pub date -
Sep 22, 2014
filing date -
Nov 29, 2013
priority date (Note) -
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Abstract
An electric motor driven fluid pump for forced lubrication of a manual transmission of a motor vehicle, includes a housing having a fluid inlet and a fluid outlet, and an electronically commutated electric motor incorporated therein. The electric motor has a substantially cup-shaped magnetic rotor rotatable around a rotational axis, shaped for conveying fluid, an annular stator having a motor winding which at least partially encloses the rotor in a coaxial arrangement with respect to the rotational axis when viewed along the rotational axis, and a magnetic field sensor for detecting the position of the rotor. The housing includes a stator housing section which holds the stator, separates same from a liquid chamber in which the rotor is arranged, and extends into the rotor by a housing offset formed for receiving the magnetic field sensor.
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