JPH0455462U

JPH0455462U -

Info

Publication number: JPH0455462U
Application number: JP9825090U
Authority: JP
Priority date: 1990-09-19
Filing date: 1990-09-19
Publication date: 1992-05-12
Anticipated expiration: 2005-02-22
Also published as: JPH077239Y2

Description

[Brief explanation of the drawing]

第１図は、この考案の第１の実施例を示す全体
的な断面図、第２図は、第２の実施例を示す断面
図、第３図は、第３の実施例を示す断面図、第４
図は、第３の実施例の一部分を示す図、第５図は
、第４の実施例を示す断面図、第６図は、第５図
の−線に沿つた断面図、そして、第７図は、
第５図の−線に沿つた断面図である。１０……液圧式倍力装置、１１……シリンダ本
体、１６……サーボピストン、１９……サーボ室
、２０……ドレン室、５０……マスタシリンダ、
７０……作動液リザーバ、１００，３００，４０
２……ブリーダ機構。 Fig. 1 is an overall sectional view showing the first embodiment of this invention, Fig. 2 is a sectional view showing the second embodiment, and Fig. 3 is a sectional view showing the third embodiment. , 4th
The figure shows a part of the third embodiment, FIG. 5 is a sectional view showing the fourth embodiment, FIG. 6 is a sectional view taken along the line - in FIG. The diagram is
FIG. 6 is a sectional view taken along the - line in FIG. 5; 10... Hydraulic booster, 11... Cylinder body, 16... Servo piston, 19... Servo chamber, 20... Drain chamber, 50... Master cylinder,
70... Hydraulic fluid reservoir, 100, 300, 40
2... Breeder mechanism.

Claims

[Scope of utility model registration request]

It has a cylinder body that is separably connected to the master cylinder and fixed to the vehicle body, and has a servo chamber in which hydraulic pressure from the pump is introduced as servo pressure according to operational input, and a servo chamber that A servo piston that operates the master cylinder in response to servo pressure in a chamber, and a drain chamber into which pressurized fluid discharged from the servo chamber flows, and the drain chamber is used as a hydraulic fluid that supplies hydraulic fluid to the pump. A hydraulic booster connected to a reservoir, the hydraulic booster comprising: a bleeder mechanism provided at a lower part of the cylinder body to allow the working fluid in the drain chamber to be discharged to the outside.