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Brake system comprising at least one conveying unit for redelivering brake fluid to the working chambers of a brake booster

A technology of braking equipment, conveying device, applied in the direction of braking transmission, brake, brake type, etc.

Inactive Publication Date: 2013-06-19
IPGATE
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Therefore, the force-travel characteristic curve of the pedal in the event of a failure of the electric BKV is not significantly different from the effective braking force enhancement

Method used

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  • Brake system comprising at least one conveying unit for redelivering brake fluid to the working chambers of a brake booster
  • Brake system comprising at least one conveying unit for redelivering brake fluid to the working chambers of a brake booster
  • Brake system comprising at least one conveying unit for redelivering brake fluid to the working chambers of a brake booster

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Embodiment Construction

[0024] figure 1The basic configuration of an electric BKV as described in DE 102005018649.19, DE 102006059840.7 and DE 102005003648 is shown, the entire disclosure content of which is incorporated into the present application by reference. In a functioning BKV, the pedals are decoupled from the HZ. The pedal force is measured by an unillustrated stroke simulator that produces a customary pedal feel. The pedal travel sensor detects a pedal travel that can be correlated to a desired brake pressure on a characteristic curve. Thus, by actuating brake pedal 1 , a brake booster is activated which acts on plunger piston 3 of master brake cylinder 5 . The floating piston 4 is moved by volume squeeze and pressure. The two pistons 3 and 4 lead to a pressure build-up in the respective brake circuit. The corresponding brake fluid is supplied in a storage container. For details on the construction of known brake master cylinders, reference is made to DE 1020050 18649.19, DE 1020060598...

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Abstract

The invention relates to a hydraulic brake system comprising a master brake cylinder (4) the at least one working chamber of which is connected to the wheel brakes of the vehicle via at least one hydraulic line, the brake piston (12a-13d) of at least one wheel brake (RBi) being adjustable by a negative pressure in the hydraulic lines to produce a brake clearance (BLS).

Description

technical field [0001] The invention relates to a brake system with an electric drive for a brake booster with a master brake cylinder and at least one piston, wherein the brake booster At least one piston is driven by said drive device for pressure build-up and pressure release in at least one wheel brake, and only in the event of a failure of the drive device can mechanical At least one control valve for closing and opening the brake line is arranged in the brake line between each wheel brake and the working chamber of the brake booster. Background technique [0002] In conventional systems, the master brake cylinder (HZ) of the motor vehicle (Kfz) brake system is designed such that the displacement volume of said master brake cylinder corresponds to the volume of the wheel brakes accommodated for maximum brake pressure . Furthermore, reserves are provided for extreme situations such as fading or poorly ventilated brake systems. The capacity of the wheel brakes depends ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B60T8/00B60T8/32B60T8/42B60T8/44B60T8/48B60T13/74
CPCB60T8/4266B60T8/00F16D2129/08B60T13/745B60T8/4845B60T8/4077B60T8/32B60T8/447F16D2127/02F16D55/22655
Inventor 海因茨·莱贝尔瓦伦丁·翁特尔弗罗纳
Owner IPGATE