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Pump unit of electronic control brake system

A braking system and pump unit technology, applied in the direction of brakes, brake components, brake types, etc., can solve problems such as vibration and noise, and weight balance imbalance in structural characteristics, so as to reduce vibration and noise, ensure weight balance, prevent Effects of vibration and noise

Active Publication Date: 2015-02-11
HL MANDO CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] In addition, there is a problem that the rotational force generated by the motor is eccentrically rotated by the eccentric member or the eccentric shaft, and accordingly, the weight balance (weight balance) is out of balance in terms of structural characteristics, and vibration and noise are generated during eccentric rotation.

Method used

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  • Pump unit of electronic control brake system
  • Pump unit of electronic control brake system
  • Pump unit of electronic control brake system

Examples

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Embodiment Construction

[0031] Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings.

[0032] figure 1 It is the hydraulic system diagram of the electronically controlled braking system of the present invention.

[0033] Such as figure 1 As shown, the electronically controlled braking system applicable to the present invention has: a brake pedal 10, receiving the driver's operating force; a brake booster 11, according to the pedal force of the brake pedal 10, using the vacuum pressure The pressure difference doubles the pedal force; the master cylinder 20 generates pressure through the brake booster 11; the first hydraulic circuit 40A connects the first port 21 of the master cylinder 20 and two wheel brakes (or wheel cylinders) 30 to control oil pressure transmission; and the second hydraulic circuit 40B, which connects the second port 22 of the master cylinder 20 and the remaining two wheel brakes 30 to control oil pres...

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Abstract

Disclosed is a pump unit of an electronic control brake system installed in a bore formed in a modulator block, the pump unit including a motor having a rotating shaft, a carrier having a center portion thereof installed on the rotating shaft, and provided with connecting shafts that are spaced apart from the center portion to both sides by a predetermined interval to be disposed in line with each other, a pressing member installed on each of the connecting shafts, and a first piston pump and a second piston pump each provided with a piston configured to be reciprocated by making contact with an outer circumferential surface of the pressing member according to rotation of the carrier, the first piston pump and the second piston pump disposed in line with each other.

Description

technical field [0001] The present invention relates to a pump unit of an electronically controlled braking system, and more specifically, relates to an electronically controlled braking system capable of reducing the vibration and noise generated when the piston pump is working by improving the structure of the piston pump. The pump unit of the system. Background technique [0002] Generally, an electronically controlled braking system is used to obtain a strong and stable braking force by effectively preventing the vehicle from skidding, and as such an electronically controlled braking system, an anti-lock braking system that prevents wheels from slipping during braking has been developed. ABS: Anti-Lock Brake System, brake traction control system (BTCS: Brake Traction Control System) that prevents the drive wheels from slipping when the vehicle suddenly starts or accelerates suddenly, combines the anti-lock brake system and brake traction control Systems are combined to ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B60T13/66B60T17/02
CPCB60T13/662B60T8/4872B60T13/686B60T13/146F04B9/04F04B1/0417B60T17/221B60T17/02B60T10/04B60T8/4031B60T13/143F04B9/042B60T13/66
Inventor 柳栋耀
Owner HL MANDO CORP
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