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Vehicle brake system having plunger power source

A braking system and wheel brake technology, which is applied in the direction of brakes, vehicle components, foot-operated starting devices, etc., can solve the problems of reducing vehicle stability and so on

Active Publication Date: 2017-05-24
KELSEY HAYES CO
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0011] During vehicle motion, such as cornering, dynamic forces are generated which can reduce vehicle stability

Method used

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  • Vehicle brake system having plunger power source
  • Vehicle brake system having plunger power source
  • Vehicle brake system having plunger power source

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0037] Referring now to the accompanying drawings, in figure 1 A first embodiment of a vehicle braking system, indicated generally at 10, is schematically shown in . The braking system 10 is a hydraulically assisted braking system in which a braking force is applied to the braking system 10 using booster fluid pressure. Braking system 10 may suitably be used on a ground vehicle (eg, a motor vehicle having four wheels, with wheel brakes associated with each wheel). Additionally, the braking system 10 may be provided with other braking functions, such as anti-lock braking (ABS) and other slip control features, to effectively brake the vehicle, as will be discussed below.

[0038]The braking system 10 generally includes a first block or brake pedal unit assembly indicated by dashed line 12 and a second block or hydraulic control unit indicated by dashed line 14 . Various components of brake system 10 are housed in brake pedal unit assembly 12 and hydraulic control unit 14 . Th...

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PUM

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Abstract

A brake system includes first and second wheel brakes, a reservoir, and a brake pedal unit having a housing and a pair of output pistons slidably disposed in the housing. The output pistons generate brake actuating pressure during a manual push-through mode for actuating the first and second wheel brakes. The system further includes a plunger assembly having a housing having first and second ports, a motor driving an actuator, and a piston connected to the actuator. The piston pressurizes a first chamber when the piston is moving in a first direction to provide fluid flow out of the first port. The piston pressurizes a second chamber when the piston is moving in a second direction opposite the first direction to provide fluid flow out of the second port. The first and second ports are selectively in fluid communication with the wheel brakes.

Description

[0001] CROSS-REFERENCE TO RELATED APPLICATIONS [0002] This application claims the benefit of US Provisional Application No. 62 / 055698, filed September 26, 2014, and US Provisional Application No. 62 / 068134, filed October 24, 2014, the disclosures of which are incorporated by reference in their entirety. This article. [0003] Background of the Invention [0004] The present invention generally relates to vehicle braking systems. Vehicles are typically decelerated and stopped with a hydraulic braking system. The complexity of these systems varies, but the base braking system typically includes a brake pedal, a tandem master cylinder, fluid conduits arranged in two similar but separate brake circuits, and wheel brakes in each circuit. The driver of the vehicle operates a brake pedal connected to the master cylinder. When the brake pedal is pressed, the master cylinder generates hydraulic pressure in both brake circuits through pressurized brake fluid. Pressurized fluid trav...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B60T7/04B60T13/16B60T13/66B60T13/68B60T13/74
CPCB60T7/042B60T8/4018B60T8/4086B60T13/166B60T13/662B60T13/686B60T13/745B60T7/04B60T8/4022
Inventor B·J·甘泽尔
Owner KELSEY HAYES CO