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Electric booster having force-feedback-control structure

A control structure and force feedback technology, applied in the direction of brakes, brake components, brake transmissions, etc., can solve problems such as uneven braking, and achieve the effect of minimizing unevenness

Pending Publication Date: 2020-11-20
HYUNDAI MOTOR CO LTD +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In particular, the driver is required to further engage the brake pedal to produce the desired braking force, and as a result, unevenness occurs in braking

Method used

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  • Electric booster having force-feedback-control structure
  • Electric booster having force-feedback-control structure
  • Electric booster having force-feedback-control structure

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Embodiment Construction

[0023] It should be understood that the term "vehicle" or "vehicular" or other similar terms as used herein generally includes motor vehicles such as passenger cars including sport utility vehicles (SUVs), buses, trucks, various commercial vehicles, Vessels, aircraft, etc., including boats and ships of all kinds, and including hybrid vehicles, electric vehicles, combustion plug-in hybrid electric vehicles, hydrogen-powered vehicles, and other alternative fuel vehicles (such as fuels derived from non-fossil energy sources) .

[0024] Although the exemplary embodiments are described as using multiple units to perform the exemplary process, it is understood that the exemplary process may also be performed by one or more modules. Furthermore, it should be understood that the term controller / control unit refers to a hardware device including a memory and a processor. The memory is configured to store modules and the processor is specifically configured to execute said modules to p...

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Abstract

An electric booster having a force-feedback-control structure is provided. The electric booster includes a master piston having a nut unit rectilinearly moved in a booting cylinder space by receivingdriving power generated by a motor and a hydraulic pressure generated by a pedal effort. A first screw has a first end connected to the motor and a second end extending into the boosting cylinder, andis rotated by the motor operating with the brake pedal. A second screw is disposed to face the first screw to have a separation space. A connecting member connects the first screw and the second screw. A pressure balancing member has contact surfaces in contact with the second end of the first screw and the connecting member, respectively, and is deformed by a difference between two pressures when applied to the contact surfaces in a longitudinal direction of the first screw, respectively.

Description

[0001] Cross References to Related Applications [0002] This application claims priority under 35 U.S.C. §119 to Patent Application No. 10-2019-0058980 filed with the Korean Intellectual Property Office on May 20, 2019, the entire contents of which are incorporated herein by reference. technical field [0003] The present invention relates to an electric booster with a force feedback control structure, more particularly, to such an electric booster with a force feedback control structure, which can apply pressure feedback by receiving pressure feedback from the outside of the cylinder and comparing The pressure balance is adjusted by the pedal force to the brake pedal and the force generated by the electric motor. Background technique [0004] Generally, in an electric power-assisted braking system, when the driver engages the brake pedal, the pedal force sensor detects the driver's pedal force (for example, the amount of force applied to the pedal), and the electronic cont...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B60T13/74
CPCB60T13/74B60T7/042B60T8/171B60T13/745B60T2220/04B60T2270/84B60T13/746F16H25/2018B60Y2400/301
Inventor 黄世罗沈载勋李重熙田甲培金勇泌
Owner HYUNDAI MOTOR CO LTD
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