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US 2016/0108901 A1Published application
Axial piston pump
AssigneeHydac Drive Center GmbH
InventorManuel KRONPASS
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AssigneeHydac Drive Center GmbH
InventorManuel KRONPASS
Estimating the term…
The invention relates to an axial piston pump, particularly for hydraulic systems, comprising a cylinder drum (1) which can be rotationally driven about an axis (15) in a pump housing (7), and in which piston cylinder units are arranged in a circle at an offset, said pistons (21) being at least indirectly supported on a swashplate (3) by their actuation end (31) which is accessible outside the cylinder drum (1). Between the swept volumes (19) of the piston cylinder units and a stationary fluid inlet and stationary fluid outlet of the pump housing (7), a control device (23) is arranged which comprises fluid channels (25, 26) for the targeted transfer of fluid from the fluid inlet into the swept volumes (19) and from said swept volumes (19) to the fluid outlet. The invention is characterised in that at least one pressure compensation channel (28, 30) is provided in the control device (23), between said fluid channels (25, 26), in order to build or release fluid pressure in the swept volumes (19) in a targeted manner.
An axial piston pump, in particular for hydraulic systems, having a drivable cylinder drum (1), rotating around an axle (15) in a pump housing (7), in which the piston-cylinder units are disposed on a circle at an offset, wherein the pistons (21) are supported, at least indirectly, on a swash plate (3) with their actuating ends (31), which are accessible from outside the cylinder drum (1), and a controlling device (23) is disposed between the swept volumes (19) of the piston-cylinder units and a stationary fluid inlet and a stationary fluid discharge of the connecting plate (11), the controlling device having fluid channels (25, 26) for the targeted transfer of fluid from the fluid inlet into the swept volumes (19) and from the swept volumes (19) to the fluid discharge, characterized in that at least one pressure compensation channel (28, 30) is provided in the controlling device (23) between the fluid channels (25, 26) for selectively establishing or relieving fluid pressure in the swept volumes (19).
Dependencies are inferred from the claim text.