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Brake device for motor vehicles

A technology of braking equipment and motor vehicles, applied in the direction of brakes, etc., can solve the problems of expensive technology and very high requirements of the system, and achieve the effect of improving pump delivery power and saving costs

Inactive Publication Date: 2011-07-20
ROBERT BOSCH GMBH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However such systems are very expensive and technically demanding

Method used

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  • Brake device for motor vehicles
  • Brake device for motor vehicles
  • Brake device for motor vehicles

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0022] exist figure 1 The brake system shown in has a brake pressure line 10 which is connected via a corresponding modulating valve 12 to the individual wheel brake cylinders 14 of the vehicle (only a single wheel brake cylinder is shown in the figure) .

[0023] Furthermore, in the example shown, a compensating container 16 is connected to the brake pressure line 10 in order to compensate for pressure fluctuations.

[0024] The pressure brake line 10 can be connected via a modulating valve 12 to a wheel brake cylinder 14 so that a brake pressure builds up in the brake cylinder. The connection can likewise be disconnected, so that the brake pressure remains in the brake cylinders, or the wheel brake cylinders 14 can be connected to the return line 18, so that the brake fluid is discharged via the return line into the collector 20 and thus Release the brake pressure in the wheel brake cylinders.

[0025] The pump 22 is driven by an electric motor 24 and serves to convey bra...

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PUM

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Abstract

The present invention relates to a brake device for motor vehicles, with a pump (22) for conveying brake fluid to a brake pressure line (10), a motor (24) that can be connected to an on-board voltage source (32) for driving the pump (22), and a control device (26) for the motor, characterized in that in addition to the on-board voltage source (32) an electric energy storage medium (36; 38) is provided and that the control device (26) is designed to connect the motor (24) temporarily to the energy storage medium (36; 38). The energy storage medium can be an additional battery (36) or a capacitor (38).

Description

technical field [0001] The invention relates to a brake system for a motor vehicle with a pump for feeding brake fluid into a brake pressure line, a motor which can be connected to an on-board voltage source for driving the pump, and a control device for the motor. Background technique [0002] The brake pressure lines of such a brake system are used to supply the required brake pressure to the individual wheel brake cylinders. At these wheel cylinders, the brake pressure is usually modulated according to the spinning and slipping state of the wheels by means of modulating valves which receive signals from the ABS or ESP control (anti-lock braking system or electronic stability program). In this case, the brake pressure is fed from the brake pressure line into the wheel brake cylinders at defined intervals, the brake pressure is maintained, or the brake fluid is discharged into the collector to relieve the brake pressure. The function of the pump is to convey the brake flu...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B60T8/40
CPCB60T8/405
Inventor S·沙尔曼R·高尔巴斯J·道本施密德M·尚岑巴赫
Owner ROBERT BOSCH GMBH