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Electronic Hydraulic Brake Device

A hydraulic brake and electronic technology, applied in the direction of hydraulic brake transmission, brake transmission, brakes, etc., to achieve the effect of improving assembly, reducing weight, and alleviating the difference in pedal feel

Active Publication Date: 2014-01-01
HYUNDAI MOBIS CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In addition, when the guide rod 118 fixed to the buffer cylinder 114, the disk 119, and the rubber damper 115 advance and move at a distance of 5 mm, there is a movement displacement, but an invalid stroke area where no pedal force occurs occurs.

Method used

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  • Electronic Hydraulic Brake Device
  • Electronic Hydraulic Brake Device

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0041] Embodiments of the electronic hydraulic brake device according to the present invention will be described below with reference to the accompanying drawings. In the process, the thickness of lines or the size of structural elements, etc. shown in the drawings may be shown enlarged for clarity and convenience in description. In addition, terms described later are terms defined in consideration of functions in the present invention, and may be different according to user's or operator's intention or custom. Therefore, the definition for this term should be determined based on the contents of the entire specification.

[0042] figure 2 is a perspective view schematically showing an electronic hydraulic brake device according to the present invention, image 3 is a sectional view schematically showing an electronic hydraulic brake device according to the present invention, Figure 4 is a diagram schematically showing the main piston part in the electronic hydraulic brake...

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Abstract

The invention relates to an electronic hydraulic brake device comprising a main shell storing fluid providing hydraulic pressure to wheels, a main piston part inserted in the main shell, an elastic part disposed in the main shell and supporting the main piston part elastically, a pedal force housing connected to one end of the main shell, a buffer cylinder part inserted in the pedal force housing, a piston rod part combined to the buffer cylinder part through pins and used for transmitting pressure of a pedal, a guide rod part in threaded connection with the buffer cylinder part, and a buffer part connected to the guide rod part and inserted in the main piston part.

Description

technical field [0001] The present invention relates to an electrohydraulic brake device, and more specifically, to an electrohydraulic brake device that improves assembly and alleviates the difference in pedal feel between a normal state and an emergency state. Background technique [0002] Usually, the electronic hydraulic brake device uses a hydraulic modulator to adjust the brake pressure of each wheel after the sensor senses the pedal pressure applied by the driver. [0003] This electronic hydraulic brake device is equipped with a sensor for the vehicle pedal travel distance to understand the brake pressure required by the driver; The same pedal pressure as a conventional brake. [0004] figure 1 is a diagram schematically showing a conventional electronic hydraulic brake device. [0005] refer to figure 1 , the master cylinder body 111 and the simulator body 113 are assembled by bolts, and the inner side of the master cylinder piston 112 is installed through a sea...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B60T13/10
CPCB60T8/363B60T8/4081B60T11/16
Inventor 孙美珍
Owner HYUNDAI MOBIS CO LTD
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