Emergency servo and ABS two-chamber servo integrated valve

A technology of ABS solenoid valve and relay valve, which is applied to the layout of pipelines, etc., can solve the problems of complex structure of valve body, increase of pipeline joints, mismatching of valves, etc., so as to simplify vehicle pipelines, improve reliability, and facilitate The effect of maintenance and repair
CN101372227AActive Publication Date: 2009-02-25WENZHOU RUILI KEMI AUTOMOTIVE ELECTRONICS CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
WENZHOU RUILI KEMI AUTOMOTIVE ELECTRONICS CO LTD
Publication Date
2009-02-25

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Abstract

The invention provides an emergency air brake relay valve integrated with an ABS dual-chamber relay valve, which can be used in an air braking system of a trailer or a semi-trailer. The emergency relay valve integrated with the ABS dual-chamber relay valve comprises a mini-emergency relay valve, two sets of ABS electromagnetic valves each of which is provided with two electromagnetic valves and a dual-chamber relay valve which can control the increase, maintenance and decrease of the output pressure by virtue of the electromagnetic valves, wherein, air inlets (1-2) of the mini-emergency relay valve are connected and fixed with one of air inlets (1-3) of the dual-chamber relay valve; an output port (2) of the mini-emergency relay valve is connected with a control port (5) of the dual-chamber relay valve as a whole. The emergency air brake relay valve integrated with the ABS dual-chamber relay valve has the functions of safe braking, service braking, ABS braking and emergency braking, thus improving the safety performance in vehicle driving.
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Description

technical field

[0001] The invention relates to an emergency relay and ABS dual-cavity relay integrated valve, which belongs to the technical field of automobile air brake components. technical background

[0002] With the enforcement of my country's national standard GB7258-2004 "Technical Conditions for Motor Vehicle Operation Safety" and GB / T13594-2003 "Performance Requirements and Test Methods for Automobile Anti-lock Braking Devices", semi-trailers, the main types of road transportation in my country, must be installed ABS system. This is an effective measure to improve the safety performance of the vehicle. However, since the common ABS system needs to install an emergency relay valve in front of the control port, this will cause disadvantages such as mutual mismatch between the valves and additional pipeline joints. Although CN1919668A discloses an ABS emergency relay valve, the structure of the valve body is too complicated, the processing cost is also high, and onc...

Claims

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