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Damping devices for vehicle articulation links

A technology of shock absorbing device and hinge chain, which is applied in the direction of shock absorber, spring/shock absorber, shock absorber, etc., can solve the problem that the fault of the shock absorber system cannot be identified immediately, and achieve low cost and low simplicity Effect

Inactive Publication Date: 2016-06-01
HEMSCHEIDT FAHRWERKTECH GMBH & CO KG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, during normal driving of an articulated trailer, possible faults in the damping system are not recognized immediately, but are only detected when dangerous driving situations arise due to vibrations due to missing or limited damping. Find

Method used

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  • Damping devices for vehicle articulation links
  • Damping devices for vehicle articulation links
  • Damping devices for vehicle articulation links

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Embodiment Construction

[0022] For the following description, it needs to be emphasized that the present invention is not limited to all or more features in the embodiment and the combination of features already described, more specifically, each and every embodiment set forth in the / each embodiment A single sub-feature, when separated from all other sub-features described in combination, regardless of whether it is mentioned in each claim and in dependent claims referring to the corresponding claim, by itself or in combination with any feature in other embodiments, All are inventive.

[0023] Figure 1 to Figure 3 Each panel shows an articulated link suitable for an articulated trailer, in particular a hydraulic shock absorber 1 suitable for an articulated passenger vehicle according to the invention. Furthermore, the damper device 1 is designed as a hydraulic piston-cylinder arrangement 2 with a damper cylinder 4 and an associated piston 6 , wherein the damper cylinder 4 and the piston 6 can be mo...

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Abstract

The device (1) has cylinder chambers (A,A',B,B') which are filled with a hydraulic damping medium, and which are connected to a hydraulic damping valve (10). The damping medium is displaced with the accumulated hydraulic damping pressure, through the damping valve for damping. The cylinder chambers are connected to a common pressure sensor (14) by pressure-responsively switching-valve (12), such that the cylinder chamber with the higher pressure is connected to the pressure sensor and the cylinder chamber with the lower pressure is disconnected from the pressure sensor.

Description

technical field [0001] The invention relates to a hydraulic damping device for a hinge link of an articulated trailer, the device having at least two volumes capable of undergoing opposite volume changes due to the relative rotation of the hinge link, filled with a hydraulic damping medium The cylinder chambers are connected with the hydraulic damping valves in such a way that whenever the volume becomes smaller, the damping medium is extruded through the damping valves under the condition of forming a hydraulic damping pressure to support the hinge. joint movement for shock absorption. The resulting increased damping pressure creates a damping force between the articulation parts of the articulation link. Background technique [0002] Various designs of such damping devices are described in a large number of patent application documents. For example, in the patent application documents EP0422338B1, DE4031626C2 and DE20317243U1, embodiments with a plurality of shock absorb...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F16F9/28F16F9/32
CPCF16F9/28F16F9/32F16F9/3292F16F9/512
Inventor 沃尔特·伦克尔
Owner HEMSCHEIDT FAHRWERKTECH GMBH & CO KG
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