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Air brake control valve

An air brake, control valve technology, applied in the direction of control valve and bleed valve, brake, brake assembly, etc., can solve the problems of increasing the complexity of the control valve device, as well as the size and material quality.

Active Publication Date: 2020-12-25
WABCO TVS (INDIA) LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This additional component increases the complexity as well as the size and mass of the control valve arrangement

Method used

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  • Air brake control valve
  • Air brake control valve
  • Air brake control valve

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0032] Figure 1A A preferred embodiment of a control valve 100 according to the inventive concept is shown. Said control valve 100 is in the form of a trailer control valve 101 adapted to control an air brake system 1000, in particular of a trailer 800, not shown here.

[0033] The control valve 100 comprises a main supply input 11 , a trailer supply input 12 , a trailer control output 22 , a first service brake control input 41 , a second service brake control input 42 and a hand brake control input 43 .

[0034] In principle, the control valve 100 functions in such a way that the supply air flow FSA supplied at the main supply input 11 is selectively guided to This results in a trailer supply input 12 and / or a trailer control output 22 and / or an exhaust output 3 .

[0035] In order to direct the supply air flow FSA, the control valve 100 comprises a control plunger 122 which is displaceable in a translational movement MT along a valve axis AV within the valve supply chambe...

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PUM

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Abstract

The invention relates to a control valve (100) for an air brake system (1000), in particular trailer control valve (101), comprising: a main supply input (11), a trailer control output (22), a first and second service brake control input (41, 42), a hand brake control input (43), a valve supply chamber (110) comprising a control piston (122), at least one supply aperture (112) for passing a supplyair flow (FSA) from the main supply input (11) to the valve supply chamber (110). The control valve (100) is characterized in that the valve supply chamber (110) further comprises a throttle module (114), wherein the throttle module (114) is actuatable by a relay piston (140) in a translational movement (MT) along a valve axis (AV), so as to partially or fully throttle the supply air flow (FSA).

Description

technical field [0001] The present invention relates to a control valve for an air brake system, in particular a trailer control valve, comprising: a mains supply input; a trailer control output; first and second service brake control inputs; a hand brake control input a valve supply chamber comprising a control plunger, at least one supply orifice for passing a supply air flow from the main supply input to the valve supply chamber, and a chamber orifice capable of being controlled by The control plunger is closed and serves to connect the valve supply chamber with the connection chamber, wherein the control plunger is movable by a spring and / or a relay plunger between a second open position and a closed position, The connection chamber is connected with the trailer control output. Background technique [0002] Control valves for air brake systems of the type described are well known. In particular the control valve, which allows the function of the brake system to be main...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B60T15/24
CPCB60T15/243
Inventor 萨瑟什库马尔·路得拉慕尔蒂索亚万·加纳克拉曼卡比兰·R陵司瓦拉慕尔蒂·帕拉尼萨米
Owner WABCO TVS (INDIA) LTD