The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
May. 21, 2019
Filed:
Sep. 11, 2014
Linde Hydraulics Gmbh & Co. KG, Aschaffenburg, DE;
Lukas Krittian, Aschaffenburg, DE;
Martin Bergmann, Schaafheim, DE;
Linde Hydraulics GmbH & Co. KG, Aschaffenburg, DE;
Abstract
A hydrostatic axial piston machine () with a cylinder barrel () having at least one piston bore () in which is located a power unit piston () supported on a cam disk (). A control surface () is stationary relative to the housing and is on a control base (), against which control surface the cylinder barrel () is in contact. In the control base () there are a kidney-shaped inlet connection () and a kidney-shaped outlet connection (). The sealing web surface on the control surfaceon the control base () in the vicinity of the inlet connection () is reduced, so that in operation as a motor, when there is a pressurization of the inlet connection (), a reduction of the hydrostatic relief force is achieved. In operation as a motor, a residual application of the cylinder barrel () against the control surface () from a hold-down force of a hold-down spring () that is in an operative connection with the cylinder barrel () and/or pressing cylinder compression forces is preserved. In addition or alternatively, the terminal areas of the kidney-shaped inlet connection () of the control base () have a transitional contour (K) in the shape of a flattened arc in the radially outer area.