JPH0225359U - - Google Patents
Info
- Publication number
- JPH0225359U JPH0225359U JP10482488U JP10482488U JPH0225359U JP H0225359 U JPH0225359 U JP H0225359U JP 10482488 U JP10482488 U JP 10482488U JP 10482488 U JP10482488 U JP 10482488U JP H0225359 U JPH0225359 U JP H0225359U
- Authority
- JP
- Japan
- Prior art keywords
- brake
- friction
- wheels
- road surface
- detection means
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000001514 detection method Methods 0.000 claims description 4
- 239000012530 fluid Substances 0.000 claims 4
- 238000010586 diagram Methods 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
Landscapes
- Braking Systems And Boosters (AREA)
- Transmission Of Braking Force In Braking Systems (AREA)
Description
第１図は本考案にかかるブレーキ倍力装置の一
実施例を示す概要図、第２図は本考案におけるブ
ースト特性の変化を示すグラフ、第３図は摩擦度
検出手段の一例を示す概要図である。
１……ブレーキペダル、２……入力ロツド、２
ａ……ペダルストロークセンサ、３……ハウジン
グ、４……出力ロツド、４ａ……段部、５……プ
ライマリピストン、６，８……リターンスプリン
グ、７……セカンダリピストン、９……リザーバ
タンク、１０……マスタシリンダ、１１，１２…
…前輪、１３，１４……後輪、２０……ブレーキ
倍力装置、２１……第１の液圧室、２２……第２
の液圧室、２３……第３の液圧室、３０……圧力
供給源、３１……（第１の圧力調整手段としての
）圧力サーボ弁、３２……（第２の圧力調整手段
としての）圧力サーボ弁、４０……コントローラ
、４１……車輪速センサ、５０……温度センサ、
６０……ワイパモータ、６２……ワイパスイツチ
、６３……ワイパ作動検出スイツチ。
Fig. 1 is a schematic diagram showing an embodiment of the brake booster according to the present invention, Fig. 2 is a graph showing changes in boost characteristics in the present invention, and Fig. 3 is a schematic diagram showing an example of the friction degree detection means. It is. 1...Brake pedal, 2...Input rod, 2
a...Pedal stroke sensor, 3...Housing, 4...Output rod, 4a...Step, 5...Primary piston, 6, 8...Return spring, 7...Secondary piston, 9...Reservoir tank, 10...Master cylinder, 11, 12...
...Front wheel, 13, 14...Rear wheel, 20...Brake booster, 21...First hydraulic chamber, 22...Second
hydraulic pressure chamber, 23... third hydraulic pressure chamber, 30... pressure supply source, 31... pressure servo valve (as first pressure regulating means), 32... (as second pressure regulating means) ) Pressure servo valve, 40...controller, 41...wheel speed sensor, 50...temperature sensor,
60... Wiper motor, 62... Wiper switch, 63... Wiper operation detection switch.
Claims (1)
ーキ液の液圧を制御する機構を備えた自動車用ブ
レーキ倍力装置において、 走行時における車輪と路面間の摩擦度の高低を
検出する摩擦度検出手段を設けるとともに、この
摩擦度検出手段により車両が高摩擦路面から低摩
擦路面に進入したことが検出された場合には、前
記ブレーキペダルの踏力に対する車輪に供給され
るブレーキ液の液圧の大きさが小さくなるように
調整するブレーキ液圧制御手段とを具備して成る
ことを特徴とする自動車用ブレーキ倍力装置。[Scope of Claim for Utility Model Registration] A brake booster for automobiles equipped with a mechanism for controlling the force applied to the brake pedal and the pressure of brake fluid supplied to the wheels, which controls the degree of friction between the wheels and the road surface during driving. A friction degree detection means is provided, and when the friction degree detection means detects that the vehicle enters a low friction road surface from a high friction road surface, brake fluid supplied to the wheels in response to the depression force of the brake pedal is provided. 1. A brake booster for an automobile, comprising: brake fluid pressure control means for adjusting the magnitude of the fluid pressure to be reduced.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10482488U JPH0225359U (en) | 1988-08-08 | 1988-08-08 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10482488U JPH0225359U (en) | 1988-08-08 | 1988-08-08 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0225359U true JPH0225359U (en) | 1990-02-20 |
Family
ID=31336885
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10482488U Pending JPH0225359U (en) | 1988-08-08 | 1988-08-08 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0225359U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006507986A (en) * | 2002-12-02 | 2006-03-09 | ロバート ボッシュ コーポレイション | Electro-hydraulic brake booster |
| WO2019176795A1 (en) * | 2018-03-12 | 2019-09-19 | 株式会社デンソー | Reaction force application device |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS624668A (en) * | 1985-07-01 | 1987-01-10 | Mazda Motor Corp | Electromagnetic servobrake apparatus for car |
| JPS6264656A (en) * | 1985-09-18 | 1987-03-23 | Miyako Jidosha Kogyo Kk | Fluid pressure adjusting device for anti-lock brake |
| JPS62255282A (en) * | 1986-04-30 | 1987-11-07 | Mazda Motor Corp | Running road state discriminator |
| JPS6342463B2 (en) * | 1981-07-20 | 1988-08-23 | Nippon Electric Co |
-
1988
- 1988-08-08 JP JP10482488U patent/JPH0225359U/ja active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6342463B2 (en) * | 1981-07-20 | 1988-08-23 | Nippon Electric Co | |
| JPS624668A (en) * | 1985-07-01 | 1987-01-10 | Mazda Motor Corp | Electromagnetic servobrake apparatus for car |
| JPS6264656A (en) * | 1985-09-18 | 1987-03-23 | Miyako Jidosha Kogyo Kk | Fluid pressure adjusting device for anti-lock brake |
| JPS62255282A (en) * | 1986-04-30 | 1987-11-07 | Mazda Motor Corp | Running road state discriminator |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006507986A (en) * | 2002-12-02 | 2006-03-09 | ロバート ボッシュ コーポレイション | Electro-hydraulic brake booster |
| WO2019176795A1 (en) * | 2018-03-12 | 2019-09-19 | 株式会社デンソー | Reaction force application device |
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