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Automobile braking device with valve

A technology for automobile braking and equipment, applied in the direction of brakes, mechanical equipment, hydraulic brake transmission devices, etc., can solve the problem of normal characteristics stimulating drivers, etc., and achieve the effect of avoiding invalid time, avoiding undesired noise, and short control time.

Inactive Publication Date: 2007-03-28
ROBERT BOSCH GMBH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The relatively strong pedal response and the relatively loud pulsating noise due to the pressure equalization process from the high-pressure directional valve into the pump suction line do not correspond to the normal behavior of the vehicle's brake system and can therefore irritate the driver

Method used

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  • Automobile braking device with valve
  • Automobile braking device with valve
  • Automobile braking device with valve

Examples

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Embodiment Construction

[0019] 1 shows a hydraulic circuit diagram of a vehicle brake system 10, which has as main structural components a master brake cylinder 12, which has a hydraulic fluid storage container 14 arranged thereon, a brake booster 16 and a brake booster. Move pedal 18. A first and a second brake circuit are connected to the master brake cylinder 12 , of which substantially only the first brake circuit can be seen in FIG. 1 . In this brake circuit, a line 20 leads to a high-pressure directional valve 22 , behind which a suction line 24 leads to a pump 28 driven by an electric motor. The fluid conveyed in this way can be conveyed by means of a pump 28 into a pipe 30 , to which two parallel pipes 32 are connected. In each parallel line 32 a two-position / two-way valve 34 is provided, the open position of which is damped. The two-position / two-way valve 34 leads to the wheel (not shown) with the associated wheel brake cylinder and also leads to the line 32 , in which the two-position / two...

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Abstract

The motor vehicle brake system has a valve (22) between a first and a second chambers for a selective transfer of fluid from the first chamber into the second. A preliminary stage (50,52) and a main stage (54,56) are provided in order to guide the fluid. The preliminary stage is opened by remote control and the main stage opens automatically through an opened preliminary stage, according to the invention.

Description

technical field [0001] The invention relates to a vehicle brake system having a valve arranged between a first chamber and a second chamber, through which fluid can be selectively guided from the first chamber into the second chamber and The valve is equipped with a pre-stage and a main stage for guiding fluid. Background technique [0002] In modern vehicle brake systems, self-priming pumps are used which suck fluid out of a storage container, which is arranged, for example, on the master brake cylinder and which can be supplied onwards, for example, to build up brake pressure at the wheel brakes. Between the storage vessel and the suction side of the pump there is a high pressure selector valve (HSV) which selectively closes off the line from the storage vessel to the pump suction side. When the high-pressure reversing valve arranged in this way is closed, the self-priming pump can evacuate the area between the high-pressure reversing valve and the pump inlet in a certain...

Claims

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Application Information

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IPC IPC(8): B60T11/232
CPCB60T8/363B60T8/5025F16K31/408
Inventor T·米希尔
Owner ROBERT BOSCH GMBH
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