Pump unit with integrated piston pump and electric motor
Number of patents in Portfolio can not be more than 2000
United States of America
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Mar 24, 2020
Grant Date -
May 23, 2019
app pub date -
May 2, 2017
filing date -
May 2, 2017
priority date (Note) -
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status (Latency Note)
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Abstract
An automotive hydraulic actuating system for actuating a movable vehicle part, like a roof part or a wheel suspension. The actuating system comprises a pump unit. The pump unit comprises a piston pump which has a pump rotor and an electric motor which has a motor rotor. The pump rotor and motor rotor are incorporated into a single common rotor. The rotor is a one piece item. The rotor is positioned inside a pump chamber around a pump stator of the piston pump. The pump stator provides a full support to the common rotor. Advantageously, without a separate motor stator, the pump unit has a more compact configuration. Additionally, the pump unit has an improved dynamic performance which contributes to a silent and reliable operation at a high rotational speed.
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