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[CN 201610182263.8] end position detection of variable hydraulic machine
[CN 201610182263.8] End position detection of variable hydraulic machine Title: End position detection of variable hydraulic machine Application number: CN 201610182263.8 Applicant: Danfoss Power Systems Co., Ltd. Application date: 2016-3-28 Patent type: Invention application The present invention relates to a method and device for determining at least one end position of a displacement element of an adjustable hydraulic machine, especially an axial piston type, the displacement element is movable or displaceable between two end positions by means of a displacement unit between a first end position and a second end position. According to the invention, it is determined that an end position of the displacement has been reached by means of a measuring circuit, the electrical characteristic of which jumps when the end position is reached. This can be done by connecting the local branch of the measuring circuit to ground when the movable element is in electrical contact with the limit stop assigned to the respective end position.
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