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Brake hydraulic control system for exhaust valve of automobile engine

A technology of automobile engine and exhaust valve, which is applied in the direction of engine control, engine components, machine/engine, etc., can solve the problem of low control precision, and achieve the effect of high control precision, simple working principle and compact structure

Pending Publication Date: 2021-02-09
安福锦湖(湖南)气门有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The current automobile engine exhaust valve brake hydraulic control system has low control accuracy, and it is necessary to improve it

Method used

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  • Brake hydraulic control system for exhaust valve of automobile engine
  • Brake hydraulic control system for exhaust valve of automobile engine
  • Brake hydraulic control system for exhaust valve of automobile engine

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Embodiment Construction

[0022] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0023] In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "another end" The orientation or positional relationship indicated by etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that ...

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Abstract

The invention discloses a brake hydraulic control system for an exhaust valve of an automobile engine. The brake hydraulic control system comprises the exhaust valve, a boosting oil cylinder, a hydraulic pump and a hydraulic oil tank, wherein the telescopic end of the boosting oil cylinder is connected with a pushing block; the pushing block is connected with the exhaust valve; an opening degree sensor is installed on the exhaust valve; the boosting oil cylinder is fixed to an installation base; the hydraulic pump is installed on the installation base and connected with the boosting oil cylinder; and the hydraulic oil tank is connected with the hydraulic pump through an oil way pipeline. The brake hydraulic control system is simple in working principle and compact in structure, the requirements for miniaturization and light weight of the whole engine are met, hydraulic control over the opening degree of the exhaust valve can be achieved, and the control precision is high.

Description

technical field [0001] The invention relates to the technical field of exhaust valve brake hydraulic control, in particular to an automobile engine exhaust valve brake hydraulic control system. Background technique [0002] With the improvement of safety awareness, higher requirements are put forward for the braking power of automobiles. When a heavy-duty vehicle goes down a long slope, under the action of gravity, the vehicle accelerates down the slope. At this time, if there is no external resistance torque to offset the gravity, the vehicle will lose control. If the main vehicle braking system is frequently used on a long slope, the brake parts will be damaged, resulting in a major safety accident. Equipping the exhaust valve auxiliary braking system on the automobile engine can increase the braking torque generated by the engine when the vehicle needs to decelerate, so that the vehicle can continuously decelerate or stabilize the vehicle speed, effectively improve the c...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F01L13/06F01L9/16F01L9/40F02D13/04
CPCF01L13/06F02D13/04
Inventor 毛兰英李士红阙湘峰肖耀平
Owner 安福锦湖(湖南)气门有限公司