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Method for operating a braking system and braking system for performing the method

A brake system, wheel brake technology, applied in the direction of brake transmission, brakes, transportation and packaging, etc., can solve the problems of system bursting, electromechanical actuator damage, etc., and achieve the effect of protecting damage

Active Publication Date: 2019-08-13
CONTINENTAL AUTOMOTIVE TECH GMBH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This can create very high back pressures in the system which can lead to damage to electromechanical actuators or, in extreme cases, to bursting of the system

Method used

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  • Method for operating a braking system and braking system for performing the method
  • Method for operating a braking system and braking system for performing the method

Examples

Experimental program
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Effect test

Embodiment Construction

[0034] figure 1 An exemplary embodiment of a braking system for carrying out the method according to the invention is schematically shown in . The brake system basically comprises a brake master cylinder 2 actuatable by means of an operating pedal or brake pedal 1 , an analog device 3 cooperating with the brake master cylinder 2 , pressure medium storage container 4, an electrically controlled pressure supply device 5, an electrically controlled pressure modulation device for adjusting the wheel-dependent brake pressure, and an electronic control and regulation unit 12, said pressure supply device is composed of a hydraulic pressure The chamber 37 is constituted by a cylinder-piston assembly whose piston 36 can be moved by an electromechanical actuator.

[0035]The pressure modulation device, which is not shown in detail, comprises, by way of example, an inlet valve 6 a - 6 d and an outlet valve 7 a - 7 d for each hydraulically actuatable wheel brake 8 , 9 , 10 , 11 of a moto...

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PUM

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Abstract

The invention relates to a method for operating a braking system of a motor vehicle, and to a braking system, the braking system having an electrically controlled pressure supply device (5), which consists of at least one hydraulic pressure chamber (37). ) cylinder-piston assembly, the piston (36) of the cylinder-piston assembly can be moved by an electromechanical actuator (35); a plurality of wheel brakes (8, 9, 10, 11), respectively, through an electrically operated inlet valve (6a-6b) are connected to the pressure supply device (5); and at least one of the wheel brakes has an electrically operated discharge valve (7a-7d) by means of which the wheel brake can be connected to a pressure medium storage container ( 4) Connect. In the normal regulation mode (N) of the braking system, when a predetermined braking condition (A) exists, the piston (36 of the pressure supply device (5) is terminated by outputting a control signal to the pressure supply device ) and close the inlet valve of the wheel brake. When the predetermined conditions (B) for the pressure supply device are present, a transition to the special regulation mode (S) occurs. In the special regulation mode, the movement of the piston (36) of the pressure supply device (5) is terminated by outputting a control signal to the pressure supply device when a predetermined braking condition (A) exists, and for at least one selected The outgoing wheel brakes (8, 9) keep the corresponding inlet valves (6a, 6b) open and open the corresponding outlet valves (7a, 7b) at least temporarily, while the inlet valves ( 6c, 6d) closed.

Description

technical field [0001] The invention relates to a method for operating a brake system and a brake system for carrying out the method. Background technique [0002] From DE 10 2010 040 097 A1 a "brake-by-wire" braking system for motor vehicles is known, which comprises a tandem brake master cylinder operated by a brake pedal, a brake Simulator of the hydraulic connection of the active master cylinder, an electrically controlled pressure supply device and a pressure modulation device for adjusting the wheel-dependent brake pressure, said pressure supply device consists of a cylinder-piston assembly with a hydraulic pressure chamber, the The piston of the cylinder-piston assembly is displaceable by an electromechanical actuator, and the pressure modulation device has an inlet valve and an outlet valve for each wheel brake. In order to perform normal braking in the "brake-by-wire" operating mode of the brake system, the wheel brakes are charged with a pressure supply by means o...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B60T13/74B60T8/40B60T8/32
CPCB60T8/3275B60T8/4077B60T8/4081B60T13/745B60T13/686B60T13/741B60Y2400/81B60T8/172B60T8/1761B60T8/4054
Inventor D·布克哈特
Owner CONTINENTAL AUTOMOTIVE TECH GMBH
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