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Braking and air suspension system for a trailer

An air suspension and vehicle braking technology, applied in the direction of automatic starting devices, etc., can solve the problems of expensive construction and pipe connection, and achieve the effect of reducing the number, screw parts and installation costs

Inactive Publication Date: 2012-07-04
WABCO EURO BVBA SPRL
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The known components of trailer vehicle braking and air suspension equipment, such as automatic brakes, parking valves, relief valves, overload protectors, overflow valves, operating mechanisms for raising and lowering the air suspension are expensively separated Build and pipe in the vehicle

Method used

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  • Braking and air suspension system for a trailer
  • Braking and air suspension system for a trailer
  • Braking and air suspension system for a trailer

Examples

Experimental program
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Embodiment Construction

[0026] Attached figure 1 A conventional trailer vehicle brake and air suspension arrangement for a trailer vehicle (not shown) is shown, which is connected to A towing vehicle (not shown) is connected. The control pressure is fed via the trailer brake valve 3 to the trailer EBS (Electronic Braking System) modulator 4 or the trailer ABS (Antilock Braking System) modulator. Integrated into the trailer brake valve 3 is an actuating button 13 for actuating the parking brake and a further actuating button 14 for releasing the automatic brake when the trailer vehicle is removed. The reserve pressure flows via a non-return valve integrated in the trailer brake valve 3 into the reserve pressure container 5 for the brake system. The service brake part 6 of the combined brake cylinder 7 (spring-charged brake cylinder) is regulated by the EBS modulator 4 . Furthermore, at least two ABS sensors 19 for sensing the wheel speed are coupled. Furthermore, a test connection 23 for measuring...

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PUM

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Abstract

The invention relates to a braking and air suspension system for a trailer, comprises a lifting / lowering valve, supplied with a supply pressure from the supply pressure reservoir of the air suspension system, for modifying the level of the trailer by changing the amount of air in the supporting bellows of the trailer, a trailer brake valve or park-release emergency valve for automatically brakingthe trailer if the supply line is pulled off, a release valve for neutralizing the automatic braking action when the trailer is unhitched, an actuation valve for a parking brake, a overflow valve viawhich a supply pressure reservoir for the air suspension system is filled, an air spring valve, supplied with the supply pressure, for adjusting the travelling level of the trailer, an overload protection valve which deaerates the parking brake in proportion to the aeration of the service brake when the parking brake is actuated and the service brake is additionally actuated. The function of the release valve (14') and / or of the actuation valve (13') of the parking brake (11) and / or of the overflow valve (9) and / or of the overload protection valve (12) and / or the function of the automatic braking action when the supply line (parking release emergency valve 3) is pulled off is / are integrated into the lifting / lowering valve (17).

Description

technical field [0001] The present invention relates to a trailer vehicle braking and air suspension arrangement having a lift valve for varying the height of the trailer vehicle by varying the air volume in the load bellows of the trailer vehicle to obtain the air suspension from the air suspension arrangement The reserve pressure of the reserve pressure vessel is used to supply the lift / lower valve; the trailer brake valve is used to automatically brake the trailer vehicle when the reserve line is disconnected; the relief valve is used to cancel the automatic brake when the trailer vehicle is unplugged. actuation; operating valve for the parking brake; overflow valve, through which the reserve pressure container for the air suspension equipment is filled; air spring valve, for adjusting the ride height of the trailer The air spring valve is supplied; and an overload protection valve which vents the parking brake in proportion to the ventilation of the service brake when the ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B60T7/20
CPCB60T7/20
Inventor 迪特尔·弗兰克雷纳·里塞阿明·西克尔阿克塞尔·施滕德尔诺伯特·维特
Owner WABCO EURO BVBA SPRL
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