Axial piston machine with housing filled with pressure medium

A technology of axial piston machines and pistons, which is applied to reciprocating piston engines, liquid variable displacement machines, mechanical equipment, etc., and can solve problems such as the speed limit of axial piston machines

Active Publication Date: 2016-05-04
LINDE HYDRAULICS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

As a result, the rotational speed of the axial piston machine is limited upwards in combination with the piston mass of the piston and the resulting centrifugal force

Method used

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  • Axial piston machine with housing filled with pressure medium
  • Axial piston machine with housing filled with pressure medium
  • Axial piston machine with housing filled with pressure medium

Examples

Experimental program
Comparison scheme
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Embodiment Construction

[0031] exist Figures 1 to 3 A prior art hydrostatic axial piston machine 1 of swash plate design is shown in , for example an axial piston pump or an axial piston motor.

[0032] The axial piston machine 1 has a cylinder block 3 arranged rotatably about an axis of rotation D, which is provided with a plurality of piston grooves 4 arranged concentrically with respect to the axis of rotation D, which are preferably formed by cylinders. The bores form and support a piston 5 in each case displaceable in the longitudinal direction in the piston grooves. The cylinder 3 and the piston 5 are the rotary drive components of the axial piston machine 1 .

[0033] The cylinder block 3 is supported in the axial direction on a control surface 10 fixed to the housing, which is formed on a disc-shaped control base 11 fixed in a rotationally fixed manner to the housing 8 or corresponding housing cover 8b. The control bottom 11 is provided with kidney-shaped control slots forming an inlet co...

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PUM

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Abstract

The machine has housing-side resistance parts (20a, 20b) i.e. rib-like components, arranged on an inner wall (8a) of a housing (8) to influence pressurization in the housing as a result of a volumetric flow. The volumetric flow is produced by change in volume of interstices of a piston (5) in a piston projection region during rotation of a cylinder block (3). The projection region is axially formed between a stroke disk i.e. swash plate, and a front end of the block containing a piston recess (4), and projected into a portion of the piston emerged from the recess.

Description

technical field [0001] The invention relates to an axial piston machine with a cylinder arranged rotatably about an axis of rotation in a housing, wherein the cylinder is provided with at least one piston groove in which a longitudinally slidable The way of shifting is respectively provided with a piston which is operatively connected with the stroke disc, wherein the cylinder body abuts against a control surface and is provided with a spring, which presses the cylinder body against the control surface , wherein the housing is at least partially filled with pressure medium. Background technique [0002] In the case of an axial piston machine, a housing is usually at least partially filled with a pressure medium, for example hydraulic oil, inside which is arranged a rotating drive component consisting of a cylinder and a piston. When the axial piston machine is in operation, disturbing forces arise when the cylinder rotates about the axis of rotation due to the centrifugal f...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F04B1/22F03C1/06
CPCF04B1/2035F04B1/2021
Inventor G·克林根贝克C·贝格曼
Owner LINDE HYDRAULICS
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