JPH022273U - - Google Patents
Info
- Publication number
- JPH022273U JPH022273U JP8146488U JP8146488U JPH022273U JP H022273 U JPH022273 U JP H022273U JP 8146488 U JP8146488 U JP 8146488U JP 8146488 U JP8146488 U JP 8146488U JP H022273 U JPH022273 U JP H022273U
- Authority
- JP
- Japan
- Prior art keywords
- brake fluid
- section
- fluid pressure
- pressure modulation
- modulation section
- 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
- 239000012530 fluid Substances 0.000 claims description 17
- 238000001514 detection method Methods 0.000 claims description 4
- 230000002265 prevention Effects 0.000 claims description 4
- 238000010586 diagram Methods 0.000 description 6
- 230000006837 decompression Effects 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
Description
第１図ないし第３図は本考案の一実施例を示す
もので、第１図は一部切欠断面図に配管図を併せ
て示した図、第２図はダンプ弁を示す断面図、第
３図ａ及び第３図ｂはそれぞれＨｉｇｈ μ路走
行時の車輪速度、ホイールブレーキ液圧状態を示
す図、第３図ｃ及び第３図ｄはそれぞれＬｏｗ
μ路走行時の車輪速度、ホイールブレーキ液圧状
態を示す図、第４図は本考案の他の実施例を示す
要部の拡大断面図、第５図ないし第１０図は従来
のスキツド防止装置の一例を示すもので、第５図
は一部切欠断面図、第６図はダンプ弁を示す断面
図、第７図は全体縦断面図、第８図は第５図の
楕円部の拡大詳細断面図、第９図はポンプ部Ｃの
ポンプ作用を説明するための拡大詳細断面図、第
１０図ａ及び第１０図ｂはそれぞれＨｉｇｈ μ
路走行時の車輪速度、ホイールブレーキ液圧状態
を示す図、第１０図ｃ及び第１０図ｄはそれぞれ
Ｌｏｗ μ路走行時の車輪速度、ホイールブレー
キ液圧状態を示す図である。
Ａ……ロツク検知部、Ｂ……液圧変調部、Ｃ…
…ポンプ部、１６……ダンプ弁、１７……シリン
ダ室（減圧室）、１８……配管継ぎ手、１９……
ブレーキ液排出路、１７ａ，３３……通路、２４
……ケーシング（シリンダ）、３０……スキツド
防止装置本体、３１……マスタシリンダ、３２…
…リザーバ、３４……バルブ、３７，３８，５１
，５２，５３……ブレーキ液配管、３５，３６，
３９，４０……ホイールブレーキ、４１……ピス
トン摺動穴（段付き穴）、４１ａ……ピストン下
室、４６……ブレーキ液排出路、４７……ピスト
ン、４８……バルブ室、４９……オリフイス付き
通路、５０……スプリング。
Figures 1 to 3 show one embodiment of the present invention. Figure 1 is a partially cutaway sectional view together with a piping diagram, Figure 2 is a sectional view showing a dump valve, and Figure 2 is a sectional view showing a dump valve. Figures 3a and 3b are diagrams showing the wheel speed and wheel brake fluid pressure state when traveling on a High μ road, respectively, and Figures 3c and 3d are diagrams showing the state of wheel brake fluid pressure when traveling on a High μ road, respectively.
A diagram showing the wheel speed and wheel brake fluid pressure state when traveling on a μ-road. FIG. 4 is an enlarged sectional view of the main part showing another embodiment of the present invention. FIGS. 5 to 10 are conventional skid prevention devices. Fig. 5 is a partially cutaway sectional view, Fig. 6 is a sectional view showing the dump valve, Fig. 7 is an overall vertical sectional view, and Fig. 8 is an enlarged detail of the oval part in Fig. 5. 9 is an enlarged detailed sectional view for explaining the pumping action of the pump section C, and FIGS. 10a and 10b are high μ
Figures 10c and 10d are diagrams showing wheel speeds and wheel brake hydraulic pressure states when traveling on a road, respectively, and Figures 10c and 10d are diagrams showing wheel speeds and wheel brake fluid pressure states when traveling on a Low μ road, respectively. A... Lock detection section, B... Hydraulic pressure modulation section, C...
... Pump part, 16 ... Dump valve, 17 ... Cylinder chamber (decompression chamber), 18 ... Piping joint, 19 ...
Brake fluid discharge path, 17a, 33... passage, 24
... Casing (cylinder), 30 ... Skid prevention device main body, 31 ... Master cylinder, 32 ...
...Reservoir, 34...Valve, 37, 38, 51
, 52, 53...brake fluid piping, 35, 36,
39, 40... Wheel brake, 41... Piston sliding hole (stepped hole), 41a... Piston lower chamber, 46... Brake fluid discharge path, 47... Piston, 48... Valve chamber, 49... Passageway with orifice, 50...spring.
Claims (1)
検知信号に基づいてホイールブレーキ液圧を減圧
する液圧変調部と、該液圧変調部に連通され減圧
したブレーキ液圧を再度上昇させるポンプ部とを
備え、該ポンプ部にブレーキ液リザーバを連通し
たスキツド防止装置において、前記液圧変調部及
びポンプ部を一のケーシング内に配設し、前記ポ
ンプ部への前記リザーバからのブレーキ液流入通
路に、前記ポンプ部へのブレーキ液流入量を制御
するバルブを設け、該バルブは、前記ケーシング
に外部に開口するように設けられたピストン摺動
穴と、前記開口に接続された、前記ブレーキ液流
入通路を構成する配管継ぎ手と、前記ピストン摺
動穴内に挿入され、前記液圧変調部の圧力を受け
て前記ピストン摺動穴内で摺動させられて前記ブ
レーキ液流入量を制御するピストンとから構成し
たことを特徴とするスキツド防止装置。 A detection section that detects wheel deceleration; a fluid pressure modulation section that reduces wheel brake fluid pressure based on a detection signal from the detection section; and a fluid pressure modulation section that is communicated with the fluid pressure modulation section and increases the reduced brake fluid pressure again. A skid prevention device comprising a pump section and a brake fluid reservoir communicated with the pump section, wherein the hydraulic pressure modulation section and the pump section are disposed in one casing, and the brake fluid from the reservoir is supplied to the pump section. A valve for controlling the amount of brake fluid flowing into the pump section is provided in the inflow passage, and the valve includes a piston sliding hole provided in the casing so as to open to the outside, and a valve connected to the opening. a piping joint constituting a brake fluid inflow passage; and a piston that is inserted into the piston sliding hole and slides within the piston sliding hole in response to pressure from the hydraulic pressure modulation section to control the amount of brake fluid inflow. A skid prevention device characterized by comprising:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8146488U JPH022273U (en) | 1988-06-20 | 1988-06-20 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8146488U JPH022273U (en) | 1988-06-20 | 1988-06-20 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH022273U true JPH022273U (en) | 1990-01-09 |
Family
ID=31306247
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8146488U Pending JPH022273U (en) | 1988-06-20 | 1988-06-20 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH022273U (en) |
-
1988
- 1988-06-20 JP JP8146488U patent/JPH022273U/ja active Pending
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JPS6259157A (en) | Hydraulic type skid preventive braking system for car | |
| JP2590386Y2 (en) | Anti-skid brake device | |
| JPH0439106Y2 (en) | ||
| JP2564262Y2 (en) | Anti-skid brake device | |
| JPS613059U (en) | Anti-skid type hydraulic brake device for automobiles | |
| JPH0217471U (en) | ||
| JPH0585325A (en) | Wheel braking control device | |
| JPS63100364U (en) | ||
| JPS5889466U (en) | Anti skid mechanism | |
| JPS63107268U (en) | ||
| JPS6272864U (en) | ||
| JPS588663U (en) | Deceleration sensing type brake fluid pressure control device | |
| JPS63100365U (en) | ||
| JPS59145444U (en) | Anti skid brake device | |
| JPS5890862U (en) | Actuator for vehicle anti-skid device | |
| JPH02142366U (en) | ||
| JPS6141069U (en) | anti skid device | |
| JPS59172667U (en) | Brake hydraulic pressure control device for vehicles | |
| JPS63100363U (en) | ||
| JPS6394862U (en) | ||
| JPS63196771U (en) | ||
| JPH041074U (en) | ||
| JPH0170669U (en) | ||
| JPH0449562U (en) | ||
| JPS6036366U (en) | Servo brake system |