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Hydrostatic Axial Piston Machine

A technology of axial piston machine and static force, which is applied in the direction of liquid displacement machinery, liquid fuel engine, reciprocating piston engine, etc., can solve problems such as leakage, achieve the effect of reducing agitation loss and improving efficiency

Active Publication Date: 2020-04-21
ROBERT BOSCH GMBH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Here, there is the possibility of leakage into the environment

Method used

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  • Hydrostatic Axial Piston Machine
  • Hydrostatic Axial Piston Machine

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0049] according to figure 1The hydrostatic axial piston machine may be configured for use as a hydrostatic axial piston pump and is of the swash plate type with a displacement that can be adjusted between zero displacement and maximum displacement to Implementation volume. In the figures, the hydrostatic axial piston pump is shown in a state with maximum displacement. The axial piston pump comprises a pot-shaped housing 7 , a connecting plate 10 closing the open end of the housing 7 , a drive shaft 12 , a cylinder 13 , a control plate 14 and a cradle 15 , which The housing has a housing bottom 8 and a housing cover 9, the connecting plate together with the housing surrounds an interior space 11, the control plate is located between the cylinder 13 and the connecting plate 10 and is fixed relative to the connecting plate, the swing cradle is Its inclination with respect to the axis of the drive shaft and the cylinder can be adjusted. In this case, the pivoting cradle can st...

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PUM

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Abstract

A hydrostatic axial piston machine includes a pot-like housing, a connection plate that closes the pot-like housing, a rotatably mounted cylinder drum, and pistons arranged in cylinder chambers of the cylinder drum. The cylinder chambers are each alternately connected via a cylinder chamber opening to a low-pressure control opening and a high-pressure control opening of a resting control part. The control part has two switching regions located between the low-pressure and high pressure control openings. A piston reverses its movement direction in a dead center within the two switching regions. In the switching region, the cylinder chambers are connected via a connecting line to a fluid volume arranged in the housing. The fluid volume extends between the connection plate and the housing such that it is sealed to an interior by the connection plate and the housing.

Description

technical field [0001] The invention relates to a hydrostatic axial piston machine, which has a pot-shaped housing, a connecting plate and a rotatably supported cylinder barrel with a plurality of cylinder chambers. The housing has a housing bottom and a housing cover, the connecting plate closes the pot-shaped housing at its opening side, the cylinder is located in the inner space formed by the housing and the connecting plate, A piston, which performs a reciprocating movement during operation, is arranged in the cylinder chamber. During operation, each cylinder chamber can be alternately connected via a cylinder chamber opening to a low-pressure control opening and a high-pressure control opening of the stationary control element. Between the low-pressure control opening and the high-pressure control opening, two switching areas are located on this control element, within which switching areas the piston reverses its direction of movement in dead center. The cylinder chamb...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F04B1/22F04B11/00F04B53/16
CPCF04B1/2064F04B1/22F04B11/0091F03C1/0663F04B1/2014F04B11/00F04B11/0008
Inventor P.罗斯
Owner ROBERT BOSCH GMBH