JPS60143170A - Anti-skid mechanism for four wheel drive car - Google Patents

Anti-skid mechanism for four wheel drive car

Info

Publication number
JPS60143170A
JPS60143170A JP58246747A JP24674783A JPS60143170A JP S60143170 A JPS60143170 A JP S60143170A JP 58246747 A JP58246747 A JP 58246747A JP 24674783 A JP24674783 A JP 24674783A JP S60143170 A JPS60143170 A JP S60143170A
Authority
JP
Japan
Prior art keywords
wheel
brake
front wheel
rear wheels
brake pressure
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.)
Granted
Application number
JP58246747A
Other languages
Japanese (ja)
Other versions
JPH029981B2 (en
Inventor
Tetsuo Arikawa
有川 哲郎
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nabco Ltd
Original Assignee
Nabco Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Nabco Ltd filed Critical Nabco Ltd
Priority to JP58246747A priority Critical patent/JPS60143170A/en
Publication of JPS60143170A publication Critical patent/JPS60143170A/en
Publication of JPH029981B2 publication Critical patent/JPH029981B2/ja
Granted legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60TVEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
    • B60T8/00Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force
    • B60T8/32Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force responsive to a speed condition, e.g. acceleration or deceleration
    • B60T8/321Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force responsive to a speed condition, e.g. acceleration or deceleration deceleration
    • B60T8/322Systems specially adapted for vehicles driven by more than one axle, e.g. Four Wheel-Drive vehicles

Landscapes

  • Engineering & Computer Science (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Arrangement And Mounting Of Devices That Control Transmission Of Motive Force (AREA)
  • Regulating Braking Force (AREA)

Abstract

PURPOSE:To control the brake pressure optimally while independently against the front and rear wheels under four wheel drive, by interrupting a mechanism for coupling driving force intermittently on the basis of a brake pressure control signal thereby releasing integral coupling of front and rear wheels. CONSTITUTION:Upon considerable deceleration of front wheel 6, for example, a control unit 22 will produce a brake release signal on the basis of a detection signal from a wheel speed sensor 15 to function a controller 27 thus to control the brake pressure of front wheel 6. At the same time, the brake release signal is fed to OR gate 39 to bring its output high thus to energize a coil 42 and to open B contact 41. Consequently, an electromagnetic mechanism 44 is de-energized to bring an intermittent system 8 to interrupting position. As a result, the front wheel drive shafts 3, 4 and propeller shaft 7 are decoupled to prevent transmission of variation of the wheel speed of front wheel 6 through front wheel drive shaft 4 and transmission 2 to the rear wheels 12, 13 resulting in independent braking of rear wheels 12, 13 by means of each brake 37, 38.

Description

【発明の詳細な説明】 本発明は、前後輪がエンジンにより駆動される四輪駆・
動車両であって、運転・者の選択により前輪駆動又は後
輪駆動に切換可能な断続機を備えた車両のアンデスキッ
ド装置に関する。
DETAILED DESCRIPTION OF THE INVENTION The present invention provides a four-wheel drive vehicle in which the front and rear wheels are driven by an engine.
The present invention relates to an unskid device for a vehicle that is equipped with a disconnector that can switch between front-wheel drive and rear-wheel drive at the driver's discretion.

従来から、アンチスキッド装置は、車輪又はその車輪と
一体的に回転する駆動軸に車輪速度センサーを設けて車
輪速度を検出し、車輪の減速度が所定の基準値を越える
か或は車輪のスリップ率が所定の基準値を越えると車輪
に加えられているブレーキ圧力が過度に上昇しロソクイ
頃向が発生したとコントロールユニットで判定し、ブレ
ーキ圧力を制御する制御装置によりロック傾向を発生し
た車輪のブレーキ圧力を低下させ、ロック傾向が解除す
ると再びブレーキ圧力を上昇させて最適のブレーキ圧力
に制御するようにしている。すなわち、車輪の減速度或
はスリップ重環車輪速度の変化によって車輪に加えられ
ているブレーキ圧力が最適か否かを判断している。
Conventionally, anti-skid devices detect the wheel speed by installing a wheel speed sensor on a wheel or a drive shaft that rotates integrally with the wheel. When the brake rate exceeds a predetermined reference value, the control unit determines that the brake pressure applied to the wheels has increased excessively and a locking tendency has occurred, and the control device that controls the brake pressure controls the wheels that have a tendency to lock. The brake pressure is lowered, and when the tendency to lock is released, the brake pressure is increased again to control the brake pressure to the optimum level. That is, it is determined whether the brake pressure applied to the wheels is optimal based on changes in wheel deceleration or slip ring wheel speed.

トコロチ、前後輪がエンジンによって駆動される四輪駆
動車両においては、前輪と後輪が駆動軸およびエンジン
を介して一体的に連絡しているため、例えば、前輪のブ
レーキ圧力が過度に上冒しその車輪が著しく減速される
と、その減速が前輪駆動軸を介してエンジンに伝達され
てエンジンが減速し、更に後輪駆動軸を介し゛ζ後輪に
伝達され後輪が、それに加えられているブレーキ圧力に
関係なく前輪の減速に同期して著しく減速するという現
象を4−シる。後輪に所定値以」−の減速度か発生ずる
と、コントロールユニット ド傾向が発生したと判断してブレーキ圧力制御信号、す
なわち、ブレーキ圧力弛め信号婆発生し、そのブレーキ
圧力を低下さーUることとなる。その結果、後輪のブレ
ーキ圧力が必要以」−に低1マし、後輪に十分なブレー
キ力が発生せず、ブレーキ距離か必要以上に長くなると
いう問題を生じる。
In a four-wheel drive vehicle where the front and rear wheels are driven by the engine, the front and rear wheels are integrally connected via the drive shaft and the engine, so for example, the brake pressure on the front wheels may be excessively applied. When the wheels are significantly decelerated, the deceleration is transmitted to the engine via the front wheel drive shaft, causing the engine to decelerate, which is further transmitted to the rear wheels via the rear wheel drive shaft, and the rear wheels are added to the deceleration. To eliminate the phenomenon of significant deceleration in synchronization with deceleration of the front wheels regardless of brake pressure. When the rear wheel decelerates below a predetermined value, the control unit determines that a tendency has occurred and generates a brake pressure control signal, that is, a brake pressure release signal, to reduce the brake pressure. It will be U. As a result, the brake pressure on the rear wheels is lower than necessary, resulting in a problem that sufficient braking force is not generated on the rear wheels and the braking distance becomes longer than necessary.

本発明は、」二連の問題点に鑑みてなされたものであっ
て、アンチスキッド装置が作動すると、エンジンと11
;1輪駆動軸又は後輪駆動軸のいずれか一方との間の駆
動接続を断続する断続機を遮断して、前輪と後輪との同
期現象を防止し、前後輪共最適なブレーキ圧力制御を行
うようにした四輪駆動車両用アンデスキッド装置を提供
することを目的とする。
The present invention was made in view of the two problems, and when the anti-skid device is activated, the engine and engine
;The interrupter that cuts off the drive connection with either the single-wheel drive shaft or the rear-wheel drive shaft is cut off to prevent synchronization between the front and rear wheels, providing optimal brake pressure control for both the front and rear wheels. An object of the present invention is to provide an unskid device for a four-wheel drive vehicle that performs the following steps.

すなわち、ブレーキ圧力制御信号が発生ずると、その信
号に基づいて駆動接続を断続する断続機を遮断して、前
輪と後輪との駆動軸およびエンジンを介する一体的連結
を解除し、前輪および後輪の車輪速度がそれぞれの車輪
に加えられるブレーキ圧力のみに依存して変化すること
を保障し、ブレーキ距離が延びることを防止するように
したことである。
That is, when a brake pressure control signal is generated, the interrupter that disconnects and disconnects the drive is cut off based on that signal, and the integral connection between the front and rear wheels via the drive shaft and engine is released, and the front and rear wheels are disconnected. This ensures that the wheel speed of the wheels varies only depending on the braking pressure applied to each wheel, thus preventing the braking distance from increasing.

以下、本発明の実施例に従って詳しく説明する。図にお
いて、1はエンジン、2はl・ランスミソシコンであっ
て、トランスミソシコン2は前16 駆動軸3、4を介
して前輪5、6に連結し、また、トランスミッション2
とプロペラシャフト7との間の連結を遮断および接続す
る断続機8、プロペラシャフト7、デファレンシャルギ
ヤ9、リアアクスル10、11を介して後輪12、13
に連結している。そして、プロペラシャフト7、デファ
レンシャルギヤ9、リアアクスル10、11により後輪
駆動軸を構成している。
Hereinafter, the present invention will be described in detail according to embodiments. In the figure, 1 is an engine, and 2 is an lance transmission system.
and the rear wheels 12 and 13 via the interrupter 8 which disconnects and connects the connection between the propeller shaft 7, the propeller shaft 7, the differential gear 9, and the rear axles 10 and 11.
is connected to. The propeller shaft 7, differential gear 9, and rear axles 10 and 11 constitute a rear wheel drive shaft.

各車輪5、6、12、13には、従来公知の構造の車輪
速度センサー14、15、16、17がそれぞれ装着さ
れ、各車輪の回転速度すなわち車輪速度に比例した電気
信号を配線18、19、20、21を介して、コントロ
ールユニット22に送出スる。コントロールユニット2
2は、従来公知の構成でよく、配線1日、19、20、
21から伝達された車輪速度信号をそれぞれ評価し、車
輪の減速度が所定の基準値を越えるか又はそのスリップ
率が所定の基準値を越えると、ブレーキ弛め信号をそれ
ぞれの車輪に対応して出力綿23、24、25、26を
介してブレーキ)1ニカ制御311装W27に出力する
。制御装置27は、従来公知のものであって、ブレーキ
管路28, 29を介して、タンデムマスタシリンダ3
0の各液圧発生室に接続するとともに、ブレーキ管路3
1、32、33、34を介して、前輪5、6および後輪
12、13のブレーキ装置35、36、37、38にそ
れぞれ接続しており、コントロールユニット22の出力
線23に弛め信号が出力されるとブレーキ装置35のブ
レーキ圧力を、出力綿24に弛め信号が出力されるとブ
レーキ装置36のブレーキ圧力を出力線25に弛め信号
が出力されるとブレーキ装置37のブレーキ圧力を、ま
た、出力線26に弛め信号が出力されるとブレーキ装置
38のブレーキ圧力をそれぞれ低下さゼるよう作用する
Each wheel 5, 6, 12, 13 is equipped with a wheel speed sensor 14, 15, 16, 17 of a conventionally known structure, and an electric signal proportional to the rotational speed of each wheel, that is, the wheel speed is transmitted to wires 18, 19. , 20, 21 to the control unit 22. control unit 2
2 may have a conventionally known configuration, such as wiring 1st, 19th, 20th,
21, and if the deceleration of the wheel exceeds a predetermined reference value or the slip ratio exceeds a predetermined reference value, a brake release signal is sent to each wheel. It is outputted to the brake control unit 311 W27 via the output wires 23, 24, 25, and 26. The control device 27 is a conventionally known device, and controls the tandem master cylinder 3 via brake pipes 28 and 29.
In addition to connecting to each hydraulic pressure generating chamber of 0, the brake pipe line 3
The brake devices 35, 36, 37, and 38 of the front wheels 5, 6 and the rear wheels 12, 13 are connected to the brake devices 35, 36, 37, and 38 of the front wheels 5, 6, and the rear wheels 12, 13 through terminals 1, 32, 33, and 34, respectively, and a release signal is sent to the output line 23 of the control unit 22. When a signal is output, the brake pressure of the brake device 35 is relaxed, and when a signal is output, the brake pressure of the brake device 36 is released to the output line 25. When a signal is output, the brake pressure of the brake device 37 is relaxed. Further, when a release signal is output to the output line 26, the brake pressure of the brake device 38 is reduced.

39はORゲートであってその入力側はコントロールユ
ニット22の出力線23、24、25、26に接続し、
その出力側は、人力信号消滅後所定の時間出力信号を保
持し続ける復帰遅延タイマ40の入力端に接続し、その
出力側B接点41有するリレーのコイル42に接続して
いる。43は運転者により操作される駆動輪選択スイッ
チてあって、一端は車両のバッテリ等の電源に接続され
、スイッチ43が閉じ、かつB接点41が閉じている状
態では、電磁装置44が作動し、破線45で示される操
作系を介して断続機8を接続位置に保っている。運転者
が駆動輪選択スイッチ43を遮断するか又はコイル42
が励磁しB接点41が遮断すると、電磁袋;〃44が非
作動位置に戻り、断続機8が遮断位置になり、トランス
ミッション2とプロペラシャフト7との連結が解け、ト
ランスミッション2は前輪駆動軸3.4 ニ(7)み連
結する。
39 is an OR gate whose input side is connected to the output lines 23, 24, 25, 26 of the control unit 22,
Its output side is connected to the input end of a recovery delay timer 40 that continues to hold the output signal for a predetermined time after the human input signal disappears, and is connected to the coil 42 of a relay having a B contact 41 on its output side. Reference numeral 43 denotes a drive wheel selection switch operated by the driver, one end of which is connected to a power source such as a vehicle battery, and when the switch 43 is closed and the B contact 41 is closed, an electromagnetic device 44 is activated. , the interrupter 8 is maintained in the connected position via an operating system indicated by a broken line 45. Either the driver shuts off the drive wheel selection switch 43 or the coil 42
is excited and the B contact 41 is cut off, the electromagnetic bag 44 returns to the non-operating position, the interrupter 8 goes to the cut-off position, the transmission 2 is disconnected from the propeller shaft 7, and the transmission 2 is connected to the front wheel drive shaft 3. .4 Connect 2 (7).

なお、ORゲート39、復帰遅延タイマ40、コイル4
2、その接点41により断続機8を遮断する回路を構成
する。
In addition, OR gate 39, recovery delay timer 40, coil 4
2. The contact 41 constitutes a circuit that interrupts the interrupter 8.

次に、上述の実施例の作用について説明する。Next, the operation of the above embodiment will be explained.

今、車両が走行している状態でブレーキが操作され、タ
ンデムマスクシリンダ30に液圧が発生ずると、ブレー
キ圧液は、ブレーキ管路2B、29、X1il制御装置
27、ブレーキ管路31.32.33.34を通って各
車輪のブレーキ装置35.36.37.38に供給され
、ブレーキが作用する。そして、ブレーキ操作を強くす
るか、或は路面の摩擦係数が低くなつ“どおり、例えば
、前輪6の減速度が著しく大きくなると、その車輪速度
の変化は車輪速度センサー15により検出され、その出
力信号が配線19を介してコントロールユニット22に
伝達される。コントロールユニノI・内ではその車輪速
度の変化ずなわら車輪減速度所定の基準減速度と比較さ
れ、車輪減速度が基準減速度を越えるとブレーキ弛め信
号を出力線24に出力する。その結果、制御装置27が
作動し、車輪6のブレーキ装置36に供給しているブレ
ーキ液圧が低下する。それと同時に、出力綿24にブレ
ーキ弛め信号が発生ずると、その信号はORゲート39
に伝達されるので、ORゲートの出力がハイとなり、復
帰遅延タイマ40の出力がハイとなり、リレーのコイル
42か励磁し、B接点41を開放する。そのため、電磁
装置44が消磁し、断続機8が遮断位置となり、前輪駆
動軸3.4とプロペラシャフト7との連結が断たれ、前
輪Gの車輪速度の変化が前輪駆動軸4、トランスミソシ
コン2を介して後輪12.13に伝達されることはな(
なる。従って後輪I2.13の車輪速度はブレーキ装置
37.28に供給されるブレーキ液圧を路面の摩擦係数
のみに依存して変化することとなる。
Now, when the brake is operated while the vehicle is running and hydraulic pressure is generated in the tandem mask cylinder 30, the brake pressure fluid is transferred to the brake lines 2B and 29, the X1il control device 27, and the brake lines 31 and 32. .33.34 to the brake equipment 35.36.37.38 of each wheel, and the brakes are applied. Then, when the brake operation is strengthened or the friction coefficient of the road surface is lowered, for example, when the deceleration of the front wheels 6 becomes significantly large, the change in wheel speed is detected by the wheel speed sensor 15, and its output signal is is transmitted to the control unit 22 via the wiring 19.In the control unit I, the wheel deceleration is compared with a predetermined reference deceleration regardless of the change in the wheel speed, and if the wheel deceleration exceeds the reference deceleration. and a brake release signal is output to the output line 24. As a result, the control device 27 is activated, and the brake fluid pressure supplied to the brake device 36 of the wheel 6 is reduced.At the same time, a brake release signal is output to the output line 24. When a signal is generated, the signal is passed through the OR gate 39.
As a result, the output of the OR gate becomes high, the output of the recovery delay timer 40 becomes high, the coil 42 of the relay is energized, and the B contact 41 is opened. Therefore, the electromagnetic device 44 is demagnetized, the interrupter 8 is placed in the cutoff position, the connection between the front wheel drive shaft 3.4 and the propeller shaft 7 is severed, and the change in the wheel speed of the front wheel G is caused by the change in the front wheel drive shaft 4, the transmission 2 to the rear wheels 12.13 (
Become. Therefore, the wheel speed of the rear wheel I2.13 changes depending only on the brake fluid pressure supplied to the brake device 37.28 and the coefficient of friction of the road surface.

制御装置27によりブレーキ装置36の液圧が低下する
と車輪6のロック傾向は解除し、出力綿24のブレーキ
弛め信号は消滅し、制御装置が非作動位置に戻り、ブレ
ーキ装置36のブレーキ液圧は再び上yrする。ブレー
キ弛め信号が消滅するとORケート39の出力がローと
なるずなわち消滅するが、復帰遅延タイマ40の出力は
、その遅延作用によりハイのまま保持されるのでコイル
42は励磁状態のままであり、断続機は遮断状態に保た
れる。なお、復帰遅延タイマー40の遅延時間はブレー
キ弛め信号が消滅してから次のブレーキ弛め信号が発生
ずるまでの時間よりも長く設定している。
When the hydraulic pressure of the brake device 36 is reduced by the control device 27, the locking tendency of the wheels 6 is released, the brake release signal of the output cotton 24 disappears, the control device returns to the non-operating position, and the brake fluid pressure of the brake device 36 is reduced. goes up again. When the brake release signal disappears, the output of the OR gate 39 becomes low or disappears, but the output of the return delay timer 40 remains high due to its delay action, so the coil 42 remains in the excited state. Yes, the interrupter is kept disconnected. Note that the delay time of the return delay timer 40 is set longer than the time from when the brake release signal disappears until the next brake release signal is generated.

以下、上述のコントロールユニット22、ηi1141
11 装置27によるブレーキ液圧の低下および上昇が
繰返されブレーキ液圧は最適に制御される。
Hereinafter, the above-mentioned control unit 22, ηi1141
11 The brake fluid pressure is repeatedly lowered and increased by the device 27, and the brake fluid pressure is optimally controlled.

なお、車輪6以外の他の車輪についても同様に制御され
る。
Note that wheels other than wheel 6 are similarly controlled.

以上の説明から明らかな通り、本発明は、コントロール
ユニットからブレーキ圧力制御信号が発生ずると、その
信号に基づい°ζ断続機を遮断するようにしているので
、前輪又は後輪の車輪速度の変化が駆動軸を介して後輪
又は前輪に伝達されることがなく、前輪および後1wi
を互いに独立に最適に制御することができる。
As is clear from the above explanation, when the brake pressure control signal is generated from the control unit, the interrupter is cut off based on the signal, so that the wheel speed of the front or rear wheels changes. is not transmitted to the rear wheels or front wheels via the drive shaft, and the front wheels and rear wheels are
can be optimally controlled independently of each other.

なお、本発明は、以上の実施例に限定されるものではな
くその技術的思想の範囲内で多くの態様が可能である。
Note that the present invention is not limited to the above-described embodiments, but can be modified in many ways within the scope of its technical concept.

本実施例においては、各車輪のブレーキ圧力をそれぞれ
独立に制御するようにしているが、これに代えて、前輪
は各車輪毎に後輪は両輪を共通に制御してもよく、また
前輪、後輪とも両輪を共通に制御してもよい。また、本
実施例では、ブレーキ圧力制御信号としてブレーキ弛め
信号を用いたが、供給弁要素と排出弁要素を用いブレー
キ圧力を保持、低下および上昇さセる形式のものにおい
ては、ブレーキ圧力制御信号としてブレーキ保持又は、
ブレーキ圧力低下信号を用いてもよい。更に本実施例に
おいては、運転者による駆動輪選択用の断続機を遮断機
として用いたが、新らたに断続機を設けてもよく、その
構造についても公知のものでよい。
In this embodiment, the brake pressure of each wheel is controlled independently, but instead of this, the front wheels may be controlled for each wheel, and the rear wheels may be controlled for both wheels in common. Both rear wheels may be controlled in common. In addition, in this embodiment, a brake release signal was used as a brake pressure control signal, but in a type that uses a supply valve element and a discharge valve element to maintain, decrease, and increase brake pressure, brake pressure control Hold the brake as a signal or
A brake pressure drop signal may also be used. Furthermore, in this embodiment, the interrupter for the driver to select the driving wheel is used as the interrupter, but a new interrupter may be provided, and its structure may be of a known type.

【図面の簡単な説明】[Brief explanation of drawings]

図は、本発明の一実施例を示す。 1− エンジン 2−−−−− トランスミッション3
.4−−−−一前輪駆動軸 5.6−−−−−一前輪7
−−−−−−−プロペラシャフト 8−一一一−−−断
続機9−−−−デファレンシャルギヤ 10 、Ll−−−リアアクスル 12.13−−−−
−−・後輪14.15.16.17−・−一輪速度セン
サー22−−コントロールユニット 27−−−−−制御装置 30−、−−−−一タンデム
マスクシリンダ 35.36.37.3B−−−−−ブ
レーキ装置39−一一一−−ORゲート 40−−−−
−一復帰遅延タイマ41−−−−B接点 42−一−−
−リレー43−−−−−一駆動輪選択スイソチ
The figure shows an embodiment of the invention. 1- Engine 2------- Transmission 3
.. 4------First front wheel drive shaft 5.6------First front wheel 7
-------- Propeller shaft 8-111 --- Intermittent gear 9 --- Differential gear 10, Ll --- Rear axle 12.13 ---
--- Rear wheel 14.15.16.17 --- Single wheel speed sensor 22 -- Control unit 27 --- Control device 30-, --- Tandem mask cylinder 35.36.37.3B- -----Brake device 39-111---OR gate 40---
−1 return delay timer 41−−−B contact 42−1−−
-Relay 43-----One drive wheel selection switch

Claims (1)

【特許請求の範囲】[Claims] 前後輪がエンジンにより駆動される四輪駆動車両の前輪
又は前輪駆動軸に装着され、前輪の車輪速度を検出する
前輪車輪速度センサーと、その後輪又は後輪駆動軸に装
着され、後輪の車輪速度を検出する後輪車輪速度センサ
ーと、前記前輪車輪速度センサーおよび後輪車輪速度セ
ンサーからの車輪速度信号を受け、車輪にロック傾向が
発生すると当該車輪のブレーキ圧力制御信号を出力する
コントロールユニットと、各前輪および後輪のブレーキ
装置に接続されるブレーキ管路中に配置され、前記ブレ
ーキ圧力制御信号を受けて当該車輪のブレーキ装置のブ
レーキ圧力を制御する制御装置と、前記ブレーキ圧力制
御信号が発生ずるとその信号に基づいて、エンジンと前
輪駆動軸又は後輪駆動軸のいずれか一方との間の駆動接
続を断続可能な断続機を遮断する回路とを備えている四
輪駆動車両用アンチスキッド装置。
A front wheel speed sensor that is attached to the front wheel or front wheel drive shaft of a four-wheel drive vehicle whose front and rear wheels are driven by an engine and detects the wheel speed of the front wheel; a rear wheel speed sensor that detects speed; and a control unit that receives wheel speed signals from the front wheel speed sensor and the rear wheel speed sensor and outputs a brake pressure control signal for the wheel when a wheel tends to lock. , a control device disposed in a brake pipe connected to a brake device of each front wheel and a rear wheel, and configured to receive the brake pressure control signal and control the brake pressure of the brake device of the wheel; A circuit for a four-wheel drive vehicle, which is equipped with a circuit that cuts off a disconnector that can cut off the drive connection between the engine and either the front wheel drive shaft or the rear wheel drive shaft based on the signal generated when the signal is generated. skid equipment.
JP58246747A 1983-12-29 1983-12-29 Anti-skid mechanism for four wheel drive car Granted JPS60143170A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP58246747A JPS60143170A (en) 1983-12-29 1983-12-29 Anti-skid mechanism for four wheel drive car

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP58246747A JPS60143170A (en) 1983-12-29 1983-12-29 Anti-skid mechanism for four wheel drive car

Publications (2)

Publication Number Publication Date
JPS60143170A true JPS60143170A (en) 1985-07-29
JPH029981B2 JPH029981B2 (en) 1990-03-06

Family

ID=17153052

Family Applications (1)

Application Number Title Priority Date Filing Date
JP58246747A Granted JPS60143170A (en) 1983-12-29 1983-12-29 Anti-skid mechanism for four wheel drive car

Country Status (1)

Country Link
JP (1) JPS60143170A (en)

Cited By (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61102328A (en) * 1984-10-24 1986-05-21 Nissan Motor Co Ltd Four wheel drive vehicle
JPS626833A (en) * 1985-07-02 1987-01-13 Fuji Heavy Ind Ltd Four wheel drive vehicle
JPS6243322A (en) * 1985-08-22 1987-02-25 Mazda Motor Corp Brake controller for four-wheel drive car
JPS6243326A (en) * 1985-08-22 1987-02-25 Mazda Motor Corp Brake controller for four-wheel drive car
JPS6243323A (en) * 1985-08-22 1987-02-25 Mazda Motor Corp Brake controller for four-wheel drive car
JPS6243321A (en) * 1985-08-13 1987-02-25 Mazda Motor Corp Brake controller for four-wheel drive car
JPS6243324A (en) * 1985-08-22 1987-02-25 Mazda Motor Corp Brake controller for four-wheel drive car
JPS62198134U (en) * 1986-06-10 1987-12-16
US4735279A (en) * 1985-11-05 1988-04-05 Honda Giken Kogyo Kabushiki Kaishi Four wheel drive vehicle with anti-lock braking system and associated methods
JPS6350727U (en) * 1986-06-03 1988-04-06
US4753131A (en) * 1984-05-18 1988-06-28 Alfred Teves Gmbh Slip-controlled brake system for all-wheel driven road vehicles
US4765429A (en) * 1985-11-05 1988-08-23 Honda Giken Kogyo Kabushiki Kaisha Four wheel drive vehicle with anti-lock braking system and associated method of operation
EP0217087B1 (en) * 1985-08-13 1990-01-24 Mazda Motor Corporation Brake control system for four-wheel drive vehicle
US5012884A (en) * 1985-11-05 1991-05-07 Honda Giken Kogyo Kabushiki Kaisha Antilock braking method and apparatus for a four-wheel drive vehicle
GB2221739B (en) * 1988-06-10 1992-07-22 Honda Motor Co Ltd Method for controlling a change-over between two and four-wheel drive modes for a vehicle
US5184695A (en) * 1988-06-10 1993-02-09 Honda Giken Kogyo Kabushiki Method for controlling a change-over between two and four-wheel drive modes for a vehicle
EP2540590A1 (en) * 2010-02-23 2013-01-02 AISIN AI Co., Ltd. Power transmission device for four-wheel-drive hybrid vehicle
DE102005014801B4 (en) 2005-03-31 2022-04-21 Bayerische Motoren Werke Aktiengesellschaft Method and device for controlling a brake system of a motor vehicle

Cited By (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4753131A (en) * 1984-05-18 1988-06-28 Alfred Teves Gmbh Slip-controlled brake system for all-wheel driven road vehicles
JPS61102328A (en) * 1984-10-24 1986-05-21 Nissan Motor Co Ltd Four wheel drive vehicle
JPH0420811B2 (en) * 1984-10-24 1992-04-07 Nissan Motor
JPS626833A (en) * 1985-07-02 1987-01-13 Fuji Heavy Ind Ltd Four wheel drive vehicle
JPS6243321A (en) * 1985-08-13 1987-02-25 Mazda Motor Corp Brake controller for four-wheel drive car
EP0217087B1 (en) * 1985-08-13 1990-01-24 Mazda Motor Corporation Brake control system for four-wheel drive vehicle
JPS6243326A (en) * 1985-08-22 1987-02-25 Mazda Motor Corp Brake controller for four-wheel drive car
JPS6243324A (en) * 1985-08-22 1987-02-25 Mazda Motor Corp Brake controller for four-wheel drive car
JPS6243322A (en) * 1985-08-22 1987-02-25 Mazda Motor Corp Brake controller for four-wheel drive car
JPS6243323A (en) * 1985-08-22 1987-02-25 Mazda Motor Corp Brake controller for four-wheel drive car
US4735279A (en) * 1985-11-05 1988-04-05 Honda Giken Kogyo Kabushiki Kaishi Four wheel drive vehicle with anti-lock braking system and associated methods
US4765429A (en) * 1985-11-05 1988-08-23 Honda Giken Kogyo Kabushiki Kaisha Four wheel drive vehicle with anti-lock braking system and associated method of operation
US5012884A (en) * 1985-11-05 1991-05-07 Honda Giken Kogyo Kabushiki Kaisha Antilock braking method and apparatus for a four-wheel drive vehicle
JPS6350727U (en) * 1986-06-03 1988-04-06
JPS62198134U (en) * 1986-06-10 1987-12-16
GB2221739B (en) * 1988-06-10 1992-07-22 Honda Motor Co Ltd Method for controlling a change-over between two and four-wheel drive modes for a vehicle
US5184695A (en) * 1988-06-10 1993-02-09 Honda Giken Kogyo Kabushiki Method for controlling a change-over between two and four-wheel drive modes for a vehicle
DE102005014801B4 (en) 2005-03-31 2022-04-21 Bayerische Motoren Werke Aktiengesellschaft Method and device for controlling a brake system of a motor vehicle
EP2540590A1 (en) * 2010-02-23 2013-01-02 AISIN AI Co., Ltd. Power transmission device for four-wheel-drive hybrid vehicle
EP2540590A4 (en) * 2010-02-23 2013-10-16 Aisin Ai Co Ltd Power transmission device for four-wheel-drive hybrid vehicle

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