Axial bearing for use in a hydraulic device, a hydraulic transformer and a vehicle with a hydraulic drive system
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United States of America Patent
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Mar 25, 2014
Grant Date -
Feb 9, 2012
app pub date -
Oct 20, 2011
filing date -
Apr 20, 2009
priority date (Note) -
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Abstract
An axial bearing between a first part and a second part that presses with an axial load against the first part and can rotate around a rotation axis relative to the first part comprising a circular or arc-shaped ridge on the first part centered around the rotation axis, a pressure source for providing pressurized hydraulic fluid on a first side of the circular or arc-shaped ridge, an adjustable gap between the circular or arc shaped ridge and a bearing surface on the second part, wherein the pressurized hydraulic fluid flows through the adjustable gap to a second side of the circular or arc-shaped ridge. In accordance with the invention the circular or arc-shaped ridge or the bearing surface include a ridge chamber for locally creating a larger adjustable gap between the circular or arc-shaped ridge and the bearing surface.
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