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Exhaust brake

A technology of exhaust brake and pressure reducing valve, which is applied in engine control, machine/engine, mechanical equipment, etc. It can solve the problems of non-adjustable, braking lag, unstable back pressure, etc., and achieve sensitive reflection and smooth braking reliable effect

Inactive Publication Date: 2008-12-17
李瑞强 +2
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] Aiming at the disadvantages of the existing exhaust brakes that the back pressure is not stable and cannot be adjusted, and the brake is severely lagging behind, the purpose of the present invention is to provide a brake that can release excessive pressure in time, keep the brake working pressure stable, and have a sensitive brake response. exhaust brake

Method used

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Embodiment Construction

[0020] The present invention will be further described below in conjunction with the accompanying drawings.

[0021] In order to understand the structural principle of the present invention more clearly, describe the novelty of the present invention, creativity, and compare with other disclosed engine retarder structures, first to figure 1 for analysis.

[0022] figure 1 , 2 The structure shown is a schematic structural diagram of an existing exhaust brake, and the support rod 03 fixes the disc 02 at a designated position of the valve body 01 . The direction of the arrow is the flow direction of exhaust gas. 11 indicates that the disc is in an open state, and 12 indicates that the disc is in a closed state. When the exhaust brake is working, the support rod 03 drives the disc 02 to rotate around its axis, so that the disc rotates from position 11 to position 12, thereby closing the exhaust pipe. As the exhaust gas increases, the pressure in the cavity 21 increases accordin...

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Abstract

The invention relates to an exhaust brake, including a valve body (01), a disc piece (02), a supporting rod (03), a supporting sleeve (14), a pressure relief valve (05), a spring (06), an adjustment support (09) and a cover (08), wherein, the supporting rod (03) and the supporting sleeve (14) are used for fixing the disc piece (02) at the specified position on the valve body (01), and driving the disc piece (02) to rotate around the axis thereof; the disc piece (02) is opened with a first cavity (21) and a second cavity (22); the pressure relief valve (05) is pressed at the bottom of the second cavity (22) by the spring (06), a clamp (07), the adjustment support (09) and the cover (08); the spring (06) is used for adjusting the working pressure of the exhaust brake assembly. The exhaust brake of the invention can release the unnecessary pressure in time when the pressure exceeds a setting value caused by any contingency, so as to ensure the working pressure to be stable and reliable, the working pressure is adjustable, and the implementation is simple and convenient.

Description

technical field [0001] The invention relates to an exhaust brake with a pressure regulating device and to a method for preventing the build-up of an overpressure in the exhaust brake. Make the working pressure of the exhaust brake stable, reliable and adjustable. technical background [0002] Automobile braking system is one of the important devices for high-speed and safe driving of modern automobiles. When the vehicle needs to decelerate, especially in mountainous areas or when urban buses need to brake frequently, if the service brake is used frequently, the wheel brake will overheat and the braking performance will decline. If emergency measures (stop cooling) are not taken in time, even This can result in complete failure of the brakes and a dangerous vehicle situation. Therefore, it is very necessary to adopt non-fading auxiliary braking system for such situations. The use of auxiliary braking devices can enhance the braking performance of the vehicle, and the vehic...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F02D9/06
Inventor 李瑞强林华郭烨
Owner 李瑞强
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