JPH01157069U - - Google Patents
Info
- Publication number
- JPH01157069U JPH01157069U JP5424088U JP5424088U JPH01157069U JP H01157069 U JPH01157069 U JP H01157069U JP 5424088 U JP5424088 U JP 5424088U JP 5424088 U JP5424088 U JP 5424088U JP H01157069 U JPH01157069 U JP H01157069U
- Authority
- JP
- Japan
- Prior art keywords
- brake
- control
- fluid
- wheel
- hydraulic
- 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
Description
図は本考案の実施例による車両用液圧ブレーキ
制御装置の配管及び配線系統図である。
なお図において、１３……遮断弁。
The figure is a piping and wiring system diagram of a vehicle hydraulic brake control device according to an embodiment of the present invention. In addition, in the figure, 13... shutoff valve.
Claims (1)
続するブレーキ管路に配設され、車輪の制動スリ
ツプ及び／又は駆動スリツプを評価するコントロ
ールユニツトからの指令を受けて、前記車輪ブレ
ーキ装置のブレーキ液圧を制御する液圧制御弁と
、該液圧制御弁の制御によりブレーキ液圧を低下
する際、前記車輪ブレーキ装置から前記液圧制御
弁を介して排出されるブレーキ液を貯えるリザー
バと、該リザーバのブレーキ液を加圧し、前記車
輪ブレーキ装置側に供給する液圧ポンプと、前記
車輪ブレーキ装置から前記マスタシリンダへブレ
ーキ液を戻す戻し管路とを有する車両用液圧ブレ
ーキ制御装置において、前記戻し管路に、前記車
輪の制動スリツプ制御時及び／又は駆動スリツプ
制御時に液連通を遮断する遮断弁を設けたことを
特徴とする車両用液圧ブレーキ制御装置。 (2) 前記遮断弁は、前記制動スリツプ制御中に
おいて、前記車輪が走行する路面の摩擦係数μが
高μから低μに変化したときに遮断状態から連通
状態に切り換えられる請求項(1)に記載の車両用
液圧ブレーキ制御装置。[Scope of Claim for Utility Model Registration] (1) In response to a command from a control unit that is installed in the brake pipe connecting the master cylinder and the wheel brake device and evaluates the braking slip and/or driving slip of the wheel, a hydraulic pressure control valve that controls brake fluid pressure of the wheel brake device; and a brake that is discharged from the wheel brake device via the fluid pressure control valve when the brake fluid pressure is reduced by control of the hydraulic pressure control valve. A vehicle fluid having a reservoir for storing fluid, a hydraulic pump that pressurizes the brake fluid in the reservoir and supplies it to the wheel brake device, and a return pipe that returns the brake fluid from the wheel brake device to the master cylinder. A hydraulic brake control device for a vehicle, characterized in that the return conduit is provided with a cutoff valve that shuts off fluid communication during braking slip control and/or drive slip control of the wheels. (2) The shutoff valve according to claim (1), wherein the shutoff valve is switched from the shutoff state to the open state when the friction coefficient μ of the road surface on which the wheels run changes from high μ to low μ during the braking slip control. The vehicle hydraulic brake control device described above.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5424088U JPH01157069U (en) | 1988-04-22 | 1988-04-22 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5424088U JPH01157069U (en) | 1988-04-22 | 1988-04-22 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01157069U true JPH01157069U (en) | 1989-10-30 |
Family
ID=31280176
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5424088U Pending JPH01157069U (en) | 1988-04-22 | 1988-04-22 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01157069U (en) |
-
1988
- 1988-04-22 JP JP5424088U patent/JPH01157069U/ja active Pending
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