JPS59131354U

JPS59131354U - Brake device

Info

Publication number: JPS59131354U
Application number: JP2505083U
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: JPH0230378Y2

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図の一力装置
の詳細断面図、第４図は第１図の可変圧力制御弁の詳細
断面図、第５図はペダル踏力に対するブレーキの特性図
、第６図は前後輪ブレーキの配分特性図、第７図は第１
実施例の変形例を示す可変圧力制御弁の詳細断面図、第
８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９図は第８図の固定圧力
調整弁装置の詳細断面図、第１０図は第８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・・・固定圧力
制御弁装置、４．１６・・・倍力装置、５・・・ペダル
、６・・・マスターシリンダ、７・・・前輪ブレーキ、
８・・・可変圧力制御弁、９・・・後輪ブレーキ、１０
・・・車両重量センサ、１１・・・コントローラ、１２
・・・駆動装置、１３・・・″空気圧源、１４・・・ア
キュムレータ、１５・・・固定圧力調整弁装置、２３．
２４・・・圧力制御弁、　　　　″　。２５・・・連通路、２６．２７・・・切換弁、１０２゜
１０２’　、１０２’・・・圧力調整弁、１．０３゜１
０４．１０５・・・開閉弁。第４図ｑＯｇ　１１４　’７′’７７８、　　第ｒｌ　圀護θ７仰　塗　　１　ゝｑ２FIG. 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. Figure 4 is a detailed cross-sectional view of the variable pressure control valve shown in Figure 1. Figure 5 is a characteristic diagram of the brake against pedal force. Figure 6 is a characteristic diagram of front and rear wheel brake distribution. Figure 7 is the first
A detailed sectional view of a variable pressure control valve showing a modification of the embodiment, FIG. 8 is a block diagram showing an outline of an air servo brake device showing a second embodiment of the present invention, and FIG. A detailed sectional view of the regulating valve device, and FIG. 10 is a detailed sectional view of the booster shown in FIG. 8. DESCRIPTION OF SYMBOLS 1... Reservoir, 2... Hydraulic source, 3... Fixed pressure control valve device, 4.16... Booster, 5... Pedal, 6... Master cylinder, 7... front brake,
8... Variable pressure control valve, 9... Rear wheel brake, 10
...Vehicle weight sensor, 11...Controller, 12
... Drive device, 13...'' Air pressure source, 14... Accumulator, 15... Fixed pressure regulating valve device, 23.
24...Pressure control valve, ''. 25...Communication path, 26.27...Switching valve, 102°102', 102'...Pressure regulating valve, 1.03°1
04.105...Opening/closing valve. Figure 4 qOg 114 '7''77 8, rl protection θ7 up coating 1 ゝq2

Claims

[Scope of utility model registration request]

a fluid pressure source, a booster that is actuated by fluid from the fluid pressure source in response to 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 fluid pressure 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 wheel brake, and is supplied to the rear wheel brake in response to at least the pressure in the rear wheel brake when the pressure exceeds a predetermined pressure value. a pressure control valve for reducing brake fluid pressure; and a first means for selectively operating one of the plurality of circuits according to vehicle weight; A second control valve that controls the operation of the pressure control valve so as to change the pressure value.
A brake device comprising the following means.