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Air pressure type brake assistant equipment

An auxiliary and pneumatic technology, applied in the mechanical field, can solve problems such as unfavorable sealing, installation and maintenance, and cost increase, and achieve the effects of low cost, reduced traffic accidents, and improved safety

Inactive Publication Date: 2007-08-15
BEIHANG UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Because it designs a hydraulic system independent of the braking of the vehicle itself, the cost is greatly increased, and the high-pressure hydraulic system is not conducive to sealing, installation and maintenance

Method used

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  • Air pressure type brake assistant equipment
  • Air pressure type brake assistant equipment
  • Air pressure type brake assistant equipment

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Embodiment Construction

[0013] The present invention will be further described in detail below in conjunction with the accompanying drawings.

[0014] As shown in Figure 1, the pneumatic brake assist device of the present invention mainly comprises a controller 8, engine 1 and throat pipe 2 thereof, automobile vacuum booster 7, master brake cylinder 6 and pneumatic vacuum assist device 3. The controller 8 is used to trigger the work of the pneumatic vacuum assist device 3 by the vehicle distance. The vacuum booster 7 is divided into a booster chamber 702 and a vacuum chamber 703 by a diaphragm 701 . As shown in Figure 2, the air pressure vacuum auxiliary device 3 is mainly an airtight valve body, which is divided into upper and lower chambers, with a large chamber 11 on the top and a small chamber 21 below; There is an air inlet 16, an air outlet 10 is opened above, and an air outlet 24 is opened on the side of the small cavity 21; the above-mentioned air inlet 16 is provided with a bushing 15, and ...

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PUM

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Abstract

An aerated brake assister substantially comprises a controller, an engine choke, a vacuum assister, a brake pump and a pressure vacuum assister. When driver is lost to brake, the invention can automatically trigger the electromagnet on the pressure vacuum assister to start the assister, and the air enters into the vacuum assister, via a membrane plate to push the piston rod of assister towards to trigger the brake pump whose high-pressure brake liquid via a brake tube is fed into the brake sub pumps of four wheels, to brake four wheels. The invention has low cost and easy maintenance.

Description

technical field [0001] The invention belongs to the field of machinery, and in particular relates to a device which is arranged on a motor vehicle and can perform auxiliary braking of the vehicle under the control of a high-speed electromagnetic valve. Background technique [0002] According to the investigation of the researchers of General Motors Corporation of the United States, if the driver finds the accident 0.5 seconds in advance before the traffic accident occurs, and takes timely measures, 90% of the traffic accidents will be avoided. Therefore, if a suitable equipment is used to replace the driver to realize automatic braking, the ratio of traffic accidents can be effectively reduced, and the safety of passengers and drivers can be greatly improved. [0003] At present, only the State Key Laboratory of Automobile Safety and Energy Saving of Tsinghua University has applied for the patent of the hydraulic brake actuator in China. Automatic execution, the opening sig...

Claims

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Application Information

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IPC IPC(8): B60T13/52
Inventor 施绍有高峰丁靖
Owner BEIHANG UNIV
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