JPS61115771U - - Google Patents
Info
- Publication number
- JPS61115771U JPS61115771U JP19909884U JP19909884U JPS61115771U JP S61115771 U JPS61115771 U JP S61115771U JP 19909884 U JP19909884 U JP 19909884U JP 19909884 U JP19909884 U JP 19909884U JP S61115771 U JPS61115771 U JP S61115771U
- Authority
- JP
- Japan
- Prior art keywords
- valve
- pressure
- brake
- pump
- accumulator
- 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
- 239000007788 liquid Substances 0.000 claims description 5
- 239000012530 fluid Substances 0.000 claims 9
- 238000009825 accumulation Methods 0.000 claims 2
- 238000010586 diagram Methods 0.000 description 1
Description
添付図は、本考案の一実施例を示す回路図であ
る。
10:マスタシリンダ、12:ブレーキペダル
、14,16:前輪、22,24:後輪、18,
20:フロントホイールシリンダ(ブレーキシリ
ンダ)、26,28:リヤホイールシリンダ(ブ
レーキシリンダ)、30,31,120:開閉弁
(常開の)、32,34,122:電磁制御弁、
36,124:マスタシリンダ側通路(主液通路
)、38,39,126:中間通路(主液通路)
、40,42,128:ホイールシリンダ側通路
(主液通路)、54,55,133:リザーバ通
路、56,134:リザーバ、62,140:ポ
ンプ、64,65,141:ポンプ通路、66,
67,144:開閉弁(常閉の)、68,69,
142:アキユムレータ、152,154,15
6:センサ、158:コントローラ。
The attached figure is a circuit diagram showing one embodiment of the present invention. 10: Master cylinder, 12: Brake pedal, 14, 16: Front wheel, 22, 24: Rear wheel, 18,
20: Front wheel cylinder (brake cylinder), 26, 28: Rear wheel cylinder (brake cylinder), 30, 31, 120: Open/close valve (normally open), 32, 34, 122: Electromagnetic control valve,
36, 124: Master cylinder side passage (main liquid passage), 38, 39, 126: Intermediate passage (main liquid passage)
, 40, 42, 128: Wheel cylinder side passage (main liquid passage), 54, 55, 133: Reservoir passage, 56, 134: Reservoir, 62, 140: Pump, 64, 65, 141: Pump passage, 66,
67,144: Open/close valve (normally closed), 68,69,
142: Accumulator, 152, 154, 15
6: Sensor, 158: Controller.
Claims (1)
内に液圧を発生させるマスタシリンダと、 車輪の回転を抑制するブレーキを作動させるブ
レーキシリンダと、 前記マスタシリンダに発生した液圧を前記ブレ
ーキシリンダに導く主液通路と、 その主液通路の途中に設けられ、ブレーキシリ
ンダをマスタシリンダに連通させてブレーキシリ
ンダ液圧の上昇を許容する昇圧許容状態と、ブレ
ーキシリンダをリザーバに連通させてブレーキシ
リンダ液圧の下降を許容する降圧許容状態とに切
換えが可能な電磁制御弁と、 前記車輪のスリツプ率が適正範囲となるように
前記電磁制御弁を制御するコントローラと、 前記リザーバからブレーキ液を汲み上げて前記
主液通路の前記マスタシリンダと前記電磁制御弁
とをつなぐ部分に供給するポンプと、 前記ポンプと前記電磁制御弁とをつなぐ液通路
に接続されたアキユムレータとを含むアンチスキ
ツド液圧ブレーキ装置において、 前記主液通路の前記ポンプからブレーキ液が供
給される部分と前記マスタシリンダとの間の部分
にパイロツト圧で閉じられる常開の開閉弁を設け
るとともに、前記ポンプと前記アキユムレータと
をつなぐ液通路にそのポンプの吐出圧が設定値を
超えたとき開く常開の開閉弁を設け、かつその常
閉の開閉弁より前記ポンプ側の液圧を前記常開の
開閉弁のパイロツト圧として作用させるとともに
、その常開の開閉弁が閉じた後に前記常閉の開閉
弁が開くようにその開閉弁の開弁圧を設定したこ
とを特徴とするキツクバツク防止形アンチスキツ
ド液圧ブレーキ装置。 (2) 前記アキユムレータが、ハウジングにピス
トンが液密かつ摺動可能に嵌合されて蓄圧室を形
成するとともに弾性手段によつて蓄圧室の容積が
減少する向きに付勢されているものであり、かつ
前記常閉の開閉弁の弁子が前記アキユムレータの
ピストンと一体的に設けられ、その弁子と共同す
る弁座がアキユムレータのハウジングに設けられ
ている実用新案登録請求の範囲第1項に記載の液
圧ブレーキ装置。[Scope of Claim for Utility Model Registration] (1) A master cylinder that generates fluid pressure in a pressurizing chamber in response to depression of a brake pedal, a brake cylinder that operates a brake that suppresses rotation of a wheel, and the master cylinder includes: a main fluid passage that guides the generated hydraulic pressure to the brake cylinder; a pressure increase permission state that is provided in the middle of the main fluid passage and allows the brake cylinder to communicate with the master cylinder to allow an increase in brake cylinder hydraulic pressure; a controller that controls the electromagnetic control valve so that the slip rate of the wheel falls within an appropriate range; , a pump that pumps up brake fluid from the reservoir and supplies it to a portion of the main fluid passageway that connects the master cylinder and the electromagnetic control valve; and an accumulator connected to the fluid passage that connects the pump and the electromagnetic control valve. In the anti-skid hydraulic brake system, a normally open on-off valve that is closed by pilot pressure is provided in a portion of the main fluid passage between a portion of the main fluid passage where brake fluid is supplied from the pump and the master cylinder, and a normally open on-off valve that is closed by pilot pressure is provided. A normally open on-off valve that opens when the discharge pressure of the pump exceeds a set value is provided in the liquid passage connecting the pump and the accumulator, and the liquid pressure on the pump side is controlled by the normally open on-off valve Anti-skid hydraulic pressure to prevent kickback, characterized in that the opening pressure of the on-off valve is set so that it acts as a pilot pressure for the valve, and the normally-close on-off valve opens after the normally-open on-off valve closes. Brake device. (2) The accumulator has a piston liquid-tightly and slidably fitted into the housing to form a pressure accumulation chamber, and is biased by elastic means in a direction to reduce the volume of the pressure accumulation chamber. and the valve element of the normally closed on-off valve is provided integrally with the piston of the accumulator, and the valve seat cooperating with the valve element is provided in the housing of the accumulator. Hydraulic brake device as described.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP19909884U JPS61115771U (en) | 1984-12-29 | 1984-12-29 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP19909884U JPS61115771U (en) | 1984-12-29 | 1984-12-29 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS61115771U true JPS61115771U (en) | 1986-07-22 |
Family
ID=30758709
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP19909884U Pending JPS61115771U (en) | 1984-12-29 | 1984-12-29 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS61115771U (en) |
-
1984
- 1984-12-29 JP JP19909884U patent/JPS61115771U/ja active Pending
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