JPS59131355U

JPS59131355U - Brake device

Info

Publication number: JPS59131355U
Application number: JP2505183U
Authority: JP
Inventors: 谷　正紀; 江藤　新一; 船越　剛
Original assignee: 三菱自動車工業株式会社
Priority date: 1983-02-24
Filing date: 1983-02-24
Publication date: 1984-09-03
Also published as: JPH0230379Y2

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

[Brief explanation of the drawing]

第１図は本考案の第１実施例を示す油圧サーボブレーキ
装置の概要を示すブロック図、第２図は第１図の固定圧
力制御弁装置の詳細断面図、第３図は第１図の倍力装置
の詳細断面図、第４図は第１図の第２の固定圧力制御弁
装置の詳細断面図、第５図はペダル踏力に対するブレー
キ力の特性図、第６図は前後輪ブレーキの配分特性図、
第７図は本考案の第２実施例を示すエアサーボブレーキ
装置の概要を示すブロック図、第８図は第７図の固定圧
力調整弁装置の詳細断面図、第９図は第７図の倍力装置
の詳細断面図である。１・・・リザーバ、２・・・油圧源、３．８・・・固定
圧力制御弁装置、４，１５・・・倍力装置、５・・・ペ
ダル、６・・・マスターシリンダ、７・・・前輪ブレー
キ、９・・・後輪ブレーキ、１０・・・車両重量センサ
、１１・・・コントローラ、１２・・・空気圧源、１３
・・・アキュムレータ、１４・・・固定圧力調整弁装置
、２３．　２４゜７２．７２’、７２″・・・圧力制御
弁、２６，２７゜７３．７４・・・切換弁、１０２，１
０２’、１０２″・・・圧力調整弁、１０３，１０４，
１０５・・・開閉弁。FIG. 1 is a block diagram showing an outline of a hydraulic servo brake device showing a first embodiment of the present invention, FIG. 2 is a detailed sectional view of the fixed pressure control valve device shown in FIG. 1, and FIG. 4 is a detailed sectional view of the second fixed pressure control valve device shown in FIG. distribution characteristic diagram,
FIG. 7 is a block diagram showing an outline of an air servo brake device showing a second embodiment of the present invention, FIG. 8 is a detailed cross-sectional view of the fixed pressure regulating valve device shown in FIG. 7, and FIG. FIG. 3 is a detailed sectional view of the booster. DESCRIPTION OF SYMBOLS 1...Reservoir, 2...Hydraulic pressure source, 3.8...Fixed pressure control valve device, 4,15...Boosting device, 5...Pedal, 6...Master cylinder, 7... ...Front wheel brake, 9...Rear wheel brake, 10...Vehicle weight sensor, 11...Controller, 12...Pneumatic pressure source, 13
...Accumulator, 14...Fixed pressure regulating valve device, 23. 24゜72.72', 72''...Pressure control valve, 26,27゜73.74...Switching valve, 102,1
02', 102''...Pressure regulating valve, 103, 104,
105...Opening/closing valve.

Claims

[Scope of utility model registration request]

a fluid pressure source; a booster that is actuated by fluid from the fluid pressure source in accordance with the depression force of the brake pedal and transmits an amplified output to the master cylinder; and a booster that is actuated by the brake pedal generated by the master cylinder. a front wheel brake and a rear wheel brake, and a valve device provided between the fluid pressure source and the booster and having a plurality of circuits having different characteristics for adjusting the pressure of the fluid supplied to the booster; , a brake fluid pressure that is provided between the master cylinder and the rear brake, and is supplied to the rear brake in response to at least the pressure in the rear brake when the pressure exceeds a predetermined pressure value. a fixed pressure control device having a plurality of pressure control valves having different characteristics for reducing the pressure; a first means for selectively operating one of the plurality of circuits according to the weight of the vehicle; a second means for selectively operating one of the pressure control valves.