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Working fluid flow control valve for master cylinder, master cylinder comprising same, and brake device employing master cylinder

A technology of flow control valve and hydraulic fluid, applied in the directions of hydraulic brake transmission, brake transmission, brake, etc., to achieve the effect of stable seating posture, stable seating posture, and restraining inclination

Active Publication Date: 2012-07-11
BOSCH CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In addition, although not shown, in a state where the float valve body e moves downward so that the upper surface e1 is largely separated from the valve seat g, the fluid passage between the reservoir f and the master cylinder b is largely opened.

Method used

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  • Working fluid flow control valve for master cylinder, master cylinder comprising same, and brake device employing master cylinder
  • Working fluid flow control valve for master cylinder, master cylinder comprising same, and brake device employing master cylinder
  • Working fluid flow control valve for master cylinder, master cylinder comprising same, and brake device employing master cylinder

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Embodiment Construction

[0031] Hereinafter, the form for implementing this invention is demonstrated using drawing.

[0032] figure 1 It is a figure which schematically shows the braking device provided with an example of embodiment of the connector for tank connection of this invention.

[0033] Such as figure 1 As shown, the hydraulic brake device 1 on this side is basically the same as the conventionally known general two-system hydraulic brake device. That is, the hydraulic brake device 1 includes a brake pedal 2, a booster 3, a tandem master cylinder 4, a storage tank 5, a connector 6 for connecting the storage tank, hoses 7 and 8 as two-system hydraulic fluid supply piping, and two-system hydraulic fluid supply piping. The brake cylinder, and the hydraulic fluid pressure passages of the two systems. Moreover, since the brake hydraulic systems of the two systems on the brake cylinder side have the same structure by connecting the master cylinder 4 in series, the figure 1 One brake hydraul...

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PUM

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Abstract

Disclosed is a master cylinder that efficaciously reduces the contact pressure area of float valve bodies when the valve bodies are seated, satisfactorily maintains the sealing function of sealing parts thereof, and avoids increases in the quantity of man-hours required for assembly thereof. Sealing parts (23, 24) are mounted fluid-tight upon a tandem master cylinder (4), the float valve bodies (26a) are housed to be capable of vertical movement within nipple parts (6b2, 6c2) for master cylinder connection, which form a fluid path between a reserve tank and the tandem master cylinder (4), and valve seats (26b), which are capable of seating the float valve bodies (26a), are arranged within the nipple parts (6b2, 6c2) for master cylinder connection.

Description

technical field [0001] The present invention relates to the technical field of a hydraulic fluid flow control valve for a master cylinder, a master cylinder equipped with the control valve, and a brake device using the master cylinder, wherein the hydraulic fluid flow control valve for the master cylinder is used to utilize oil pressure, etc. A hydraulic actuating device such as a hydraulic hydraulic brake device controls the flow of hydraulic fluid between a master cylinder for generating hydraulic pressure and a storage tank. Background technique [0002] Conventionally, among vehicles such as automobiles, there are vehicles employing a hydraulic brake device as a hydraulic actuating device using hydraulic pressure. As this hydraulic brake device, there is known a hydraulic brake device in which an automatic brake device that performs traction control, etc. by brake operation is arranged in a hydraulic circuit between a master cylinder that generates hydraulic pressure and...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B60T11/224B60T11/22
CPCB60T11/232Y10T137/7426
Inventor 高桥俊幸
Owner BOSCH CORP