Hydraulic device, a method of manufacturing a hydraulic device and a group of hydraulic devices
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United States of America Patent
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Nov 10, 2020
Grant Date -
Jul 11, 2019
app pub date -
May 17, 2017
filing date -
May 19, 2016
priority date (Note) -
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status (Latency Note)
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Abstract
A hydraulic device comprises a housing, a shaft rotatable about a first axis of rotation and a flange. A plurality of cylindrical sleeves cooperate with a plurality of pistons on the flange to form compression chambers, wherein the cylindrical sleeves are rotatable about a second axis of rotation which intersects the first axis of rotation by an acute angle such that upon rotating the shaft the volumes of the compression chambers change. A barrel plate is rotatable about the second axis has a first side for supporting the cylindrical sleeves. An opposite second side is supported by a supporting surface of a plate-shaped face element which is fixed to the housing. The supporting surface lies in a first plane. The face element has a back side that lies in a second plane, which forms an angle with the first plane that is smaller than said acute angle.
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