JPS5828563A - Constant-speed driving device for vehicle - Google Patents
Constant-speed driving device for vehicleInfo
- Publication number
- JPS5828563A JPS5828563A JP11579881A JP11579881A JPS5828563A JP S5828563 A JPS5828563 A JP S5828563A JP 11579881 A JP11579881 A JP 11579881A JP 11579881 A JP11579881 A JP 11579881A JP S5828563 A JPS5828563 A JP S5828563A
- Authority
- JP
- Japan
- Prior art keywords
- vehicle
- speed
- vehicle speed
- signal
- constant
- 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
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K31/00—Vehicle fittings, acting on a single sub-unit only, for automatically controlling vehicle speed, i.e. preventing speed from exceeding an arbitrarily established velocity or maintaining speed at a particular velocity, as selected by the vehicle operator
- B60K31/06—Vehicle fittings, acting on a single sub-unit only, for automatically controlling vehicle speed, i.e. preventing speed from exceeding an arbitrarily established velocity or maintaining speed at a particular velocity, as selected by the vehicle operator including fluid pressure actuated servomechanism in which the vehicle velocity affecting element is actuated by fluid pressure
- B60K31/10—Vehicle fittings, acting on a single sub-unit only, for automatically controlling vehicle speed, i.e. preventing speed from exceeding an arbitrarily established velocity or maintaining speed at a particular velocity, as selected by the vehicle operator including fluid pressure actuated servomechanism in which the vehicle velocity affecting element is actuated by fluid pressure and means for comparing one electrical quantity, e.g. voltage, pulse, waveform, flux, or the like, with another quantity of a like kind, which comparison means is involved in the development of a pressure which is fed into the controlling means
- B60K31/102—Vehicle fittings, acting on a single sub-unit only, for automatically controlling vehicle speed, i.e. preventing speed from exceeding an arbitrarily established velocity or maintaining speed at a particular velocity, as selected by the vehicle operator including fluid pressure actuated servomechanism in which the vehicle velocity affecting element is actuated by fluid pressure and means for comparing one electrical quantity, e.g. voltage, pulse, waveform, flux, or the like, with another quantity of a like kind, which comparison means is involved in the development of a pressure which is fed into the controlling means where at least one electrical quantity is set by the vehicle operator
- B60K31/105—Vehicle fittings, acting on a single sub-unit only, for automatically controlling vehicle speed, i.e. preventing speed from exceeding an arbitrarily established velocity or maintaining speed at a particular velocity, as selected by the vehicle operator including fluid pressure actuated servomechanism in which the vehicle velocity affecting element is actuated by fluid pressure and means for comparing one electrical quantity, e.g. voltage, pulse, waveform, flux, or the like, with another quantity of a like kind, which comparison means is involved in the development of a pressure which is fed into the controlling means where at least one electrical quantity is set by the vehicle operator in a memory, e.g. a capacitor
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Controls For Constant Speed Travelling (AREA)
- Control Of Vehicle Engines Or Engines For Specific Uses (AREA)
- Electrical Control Of Air Or Fuel Supplied To Internal-Combustion Engine (AREA)
- Control Of Velocity Or Acceleration (AREA)
Abstract
Description
【発明の詳細な説明】 本発明は、車両用定速走行装置の改良に関する。[Detailed description of the invention] TECHNICAL FIELD The present invention relates to an improvement of a constant speed traveling device for a vehicle.
定速走行装置は、来貢が所望の車速をセットするとセッ
トされたときの車速（設定車速）で車両を定速走行させ
ることができる。そのため、定速走行装置を備えた車両
は、一旦定速走行に移ると解除操作が行なわれるまで設
定車速で定速走行することができる。The constant speed traveling device can cause the vehicle to travel at a constant speed at the set vehicle speed (set vehicle speed) when the driver sets a desired vehicle speed. Therefore, once a vehicle equipped with a constant speed driving device shifts to constant speed driving, it can continue to travel at the set vehicle speed until a release operation is performed.
ところが、との楕従来の定速走行装置は、車両が平坦路
の定速走行から登シ坂路の走行に移シ、車両の走行抵抗
が増大すると、この走行抵抗の増大に伴なうエンジン出
力の低下を補うことができなかつ良。そのため、従来の
定速走行装置は車両の走行抵抗が増大すると車両を設定
車速で定速走行させることができないという欠点があっ
た。However, with conventional constant-speed running systems, when the vehicle moves from running at a constant speed on a flat road to running up a slope, and the running resistance of the vehicle increases, the engine output decreases due to the increase in running resistance. It is good to be able to compensate for the decrease in Therefore, the conventional constant speed traveling device has a drawback that if the running resistance of the vehicle increases, the vehicle cannot be driven at a constant speed at the set vehicle speed.
本発明は前記課題に鑑みなされたもので、その目的は、
定速走行における車速の低下を防止できる車両用定速走
行装置を提供することにある。The present invention has been made in view of the above problems, and its purpose is to:
An object of the present invention is to provide a constant speed traveling device for a vehicle that can prevent a decrease in vehicle speed during constant speed traveling.
前艷目的を達成する丸めに本発明は、設定車速に対する
車速の低下量を検出し、この車速の低下量が所定値を越
えたときエンジンへの燃料供給量を所定量だ叶増加して
エンジン出力を増大するようにしたことを特徴とする。To achieve this objective, the present invention detects the amount of decrease in vehicle speed with respect to a set vehicle speed, and when the amount of decrease in vehicle speed exceeds a predetermined value, the amount of fuel supplied to the engine is increased by a predetermined amount. It is characterized by increasing output.
以下図面に基づいて本発明の好適な実施例を説明する。Preferred embodiments of the present invention will be described below based on the drawings.
添付図面に社、本発明の一実施例を示す構成図が示され
ている。図にνいて、車両の定速走行における車速の情
報を得るために、車速に応じ良信号を出力する車速信号
発生部２が設けられている。The accompanying drawings are block diagrams showing one embodiment of the present invention. In the figure, in order to obtain information on the vehicle speed when the vehicle is traveling at a constant speed, a vehicle speed signal generating section 2 is provided which outputs a good signal in accordance with the vehicle speed.
車速信号発生部２は、リードスイッチ４、永久磁石６、
周波数−電圧変換回路８からなシ、車速に応じた信号を
出力するととができる。すなわち、スピードメータケー
ブルによｈｏｐ転駆動駆動る永久磁石６０回転に伴って
リードスイッチ４がオンオフ動作すると、車速に比例し
九周波数を有するパルス信号が周波数−電圧変換回路８
に供給される。このパルス信号は周波数−電圧変換回路
８において車速に比例したレベルを有する直流電圧に変
換される。The vehicle speed signal generator 2 includes a reed switch 4, a permanent magnet 6,
The frequency-voltage conversion circuit 8 can output a signal corresponding to the vehicle speed. That is, when the reed switch 4 is turned on and off in accordance with the 60 rotations of the permanent magnet driven by the speedometer cable, a pulse signal proportional to the vehicle speed and having nine frequencies is sent to the frequency-voltage conversion circuit 8.
supplied to This pulse signal is converted by the frequency-voltage conversion circuit 8 into a DC voltage having a level proportional to the vehicle speed.
この直流電圧は定速走行指令部１０のアナログスイッチ
１２と車速比較部１４に供給される。This DC voltage is supplied to the analog switch 12 of the constant speed running command section 10 and the vehicle speed comparison section 14.
定速走行指令部ＩＯは、アナログスイッチ１２、インバ
ータ１６、セットスイッチ１８、自己保持回路２０から
なり、セットスイッチ１８が操作されることによシ、定
速走行を行なうための指令を与えるためのものである。The constant speed running command section IO is composed of an analog switch 12, an inverter 16, a set switch 18, and a self-holding circuit 20, and is configured to give a command for constant speed running when the set switch 18 is operated. It is something.
すなわち、セットスイッチ１８は、乗員が定速走行を行
なう場合に操作されるスイッチであシ、スイッチが操作
され九とき論理“０＃のレベルの信号を出力し、スイッ
チ操作が解除されたとき論理“１＃のレベルの信号を出
力する。セットスイッチ１８の出力信号はインバータ１
６を介してアナログスイッチ１２、自己保持回路２０に
供給される。That is, the set switch 18 is a switch that is operated by the passenger when traveling at a constant speed.When the switch is operated, a signal with a logic level of "0#" is output, and when the switch operation is released, a signal with a logic level of "0#" is output. “Outputs a signal at level 1#. The output signal of the set switch 18 is
6 to the analog switch 12 and self-holding circuit 20.
そして、セットスイッチエ８が操作されると、自己保持
回路２０はセットされ自己保持される。When the set switch 8 is operated, the self-holding circuit 20 is set and self-holding.
自己保持回路２０は、例えばフリップ７０ツブからなっ
ておシ、セットスイッチ１８によシセット操作が行なわ
れると自己保持し、その間、出力信号をスロットル弁制
御部２２の駆動回路２４とＡＮＤ回路２６に供給する。The self-holding circuit 20 is composed of, for example, a flip 70 tab, and holds itself when a set switch 18 is operated. During this time, the self-holding circuit 20 sends an output signal to the drive circuit 24 and the AND circuit 26 of the throttle valve control section 22. supply
又、アナログスイッチ！２は、セットスイッチ１８が操
作されるとオンになシ、スイッチ操作が解除されるとオ
フになる。そのため、セットスイッチ１８が操作される
と、周波数−電圧変換回路８の出力信号が記憶回路２８
に供給される。そして、この配憶回路２８には、アナロ
グスイッチ１２がオフとなる直前の値が定速走行におけ
る車速の設定電圧として記憶される。この記憶回路２８
は、例えばコンデンサ等で構成されておシ、コンデンサ
に保持される電圧を車速に対応した電圧として保持する
。この記憶回路２８の出力電圧は車速比較部１４に供給
される。Also, analog switch! 2 is turned on when the set switch 18 is operated, and turned off when the switch operation is released. Therefore, when the set switch 18 is operated, the output signal of the frequency-voltage conversion circuit 8 is transferred to the storage circuit 28.
supplied to Then, in this storage circuit 28, the value immediately before the analog switch 12 is turned off is stored as the vehicle speed setting voltage during constant speed driving. This memory circuit 28
is composed of, for example, a capacitor, and maintains the voltage held in the capacitor as a voltage corresponding to the vehicle speed. The output voltage of this memory circuit 28 is supplied to the vehicle speed comparator 14.
車速比較部１４は比較回路によって構成されておシ、周
波数−電圧変換回路８の出力電圧と記憶回路２８の出力
電圧とを比較し、比較値に応じて信号を出力する。この
出力信号は、セットスイッチ１８に−にットされたとき
の設定電圧よシも車速信号発生部２の出力電圧の方が高
い場合は、スロットル制御部２２の制御弁の通電時間が
短かく危り、その逆の場合は通電時間が長くなるように
、デユーティ比に応じた＠ ｌ ＃、１″０”のパルス
信号である。The vehicle speed comparison section 14 is constituted by a comparison circuit, and compares the output voltage of the frequency-voltage conversion circuit 8 and the output voltage of the storage circuit 28, and outputs a signal according to the comparison value. If the output voltage of the vehicle speed signal generator 2 is higher than the set voltage when the set switch 18 is set to negative, this output signal is generated by shortening the energization time of the control valve of the throttle control unit 22. However, in the opposite case, a pulse signal of @l#, 1"0" is used according to the duty ratio so that the energization time becomes longer.
車速比較部１４の出力信号はＡＮＤ回路２６に供給され
る。ＡＮＤ回路２６は自己保持回路２゜の出力が論理″
″１”のレベルの間のみ車速比較部１４の出力信号を駆
動回路３ｏに供給する。The output signal of the vehicle speed comparator 14 is supplied to an AND circuit 26. The AND circuit 26 has the output of the self-holding circuit 2° as logic.
The output signal of the vehicle speed comparator 14 is supplied to the drive circuit 3o only during the "1" level.
駆動回路２４．３０との出力信号によシ、スロツ）ル弁
（図示省略）の開度を制御するためにアクチュエータ３
２が設けられている。仁の７クチエエータ３２は制御弁
３２ｃ１解除弁３２ｂ等で構成されておシ、駆動回路２
４．３０の出力信号によシス四ツトル弁の開度を制御す
ることができる。すなわち、駆動回路３ｏが通電される
とボート３２０からの大気圧がしゃ断されボート３２ｄ
から吸気管負圧が室３２−に導入され、駆動（ロ）路３
０の通電が断たれるとボート３２ｄからの吸気管負圧が
しゃ断されボート３２ｃからの大気圧が室３２＃に導入
される。The actuator 3 is used to control the opening degree of the throttle valve (not shown) according to the output signal from the drive circuit 24.30.
2 is provided. The 7-stage evaporator 32 is composed of a control valve 32c, a release valve 32b, etc., and a drive circuit 2.
The opening degree of the system four-way valve can be controlled by the output signal of 4.30. That is, when the drive circuit 3o is energized, the atmospheric pressure from the boat 320 is cut off and the boat 32d
Intake pipe negative pressure is introduced into the chamber 32- from the drive (b) path 3.
When the current supply to the boat 32d is cut off, the negative pressure in the intake pipe from the boat 32d is cut off, and atmospheric pressure from the boat 32c is introduced into the chamber 32#.
ポー１１２’からの大気圧とポー）３２ｄからの吸気管
負圧の導入の割シ合いは車速比較部１４の出力信号のデ
ユーティ比によって制御される。The ratio of introducing atmospheric pressure from the port 112' and intake pipe negative pressure from the port 32d is controlled by the duty ratio of the output signal of the vehicle speed comparator 14.
解除弁３２１２は駆動回路２４を介する自己保持回路２
０がセットされ駆動回路２４が通電されるとポート３２
！からの大気圧がしゃ断される。一方、自己保持回路２
０がリセットされ駆動回路２４０通電が断九れると、大
気圧が室３２−に導入される。The release valve 3212 is connected to the self-holding circuit 2 via the drive circuit 24.
0 is set and the drive circuit 24 is energized, the port 32
! atmospheric pressure is cut off. On the other hand, self-holding circuit 2
0 is reset and the drive circuit 240 is de-energized, atmospheric pressure is introduced into the chamber 32-.
このように、室３２−内の圧力が駆動回路２４．３０の
出力信号によシ制御されることによシダイヤフラム３２
！が移動する。仁の移動に伴ってアクセルレータリンク
（図示省略）に連結されているロッド３２ｋがその軸方
向に移動し、ス四ットル弁の開腹が制御され、車両の定
速走行が維持されるようになっている。Thus, the pressure within the chamber 32- is controlled by the output signal of the drive circuit 24.30, thereby causing the diaphragm 32-
! moves. As the engine moves, the rod 32k connected to the accelerator link (not shown) moves in its axial direction, controls the opening of the throttle valve, and maintains the constant speed of the vehicle. ing.
又、自己保持回路２０は、ブレーキペダルを踏んだとき
オンとなるストップランプスイッチ３４、パーキングブ
レーキスイッチ３６、ニエートラルスタートスイッチの
シフト位置が二二−トラル位置になったとき又はクラッ
チペダルが操作されたときオンとなるクラッチスイッチ
３８のいずれかのスイッチがオンになった場合にす七ッ
トされる。The self-holding circuit 20 also operates when the stop lamp switch 34, the parking brake switch 36, and the neutral start switch are turned on when the brake pedal is depressed, and when the shift position of the neutral start switch reaches the 2-lateral position or when the clutch pedal is operated. If any of the clutch switches 38 that are turned on when the clutch switch 38 is turned on is turned on, the clutch switch 38 is turned on.
この場合、車両の定速走行は解除される。In this case, constant speed running of the vehicle is canceled.
又、本実施例においては、車両が定速走行中、車両の走
行抵抗の増大によって車速か設定車速以下になることを
防止する丸めに燃料供給量制御部４０が設けられている
。Further, in this embodiment, a fuel supply amount control section 40 is provided in a round shape to prevent the vehicle speed from becoming lower than a set vehicle speed due to an increase in the running resistance of the vehicle while the vehicle is running at a constant speed.
燃料供給量制御部４ｏは、積分回路４２、比較回路４４
、増幅回路４６．４８からなシ、単速か設定車速以下に
なったとき、車速の低下を補う丸めの制御を行なうもの
である。すなわち、積分回路４２は、車速比較部１４の
出力信号であるデユーティ比制御され九″″１”、′″
０“のパルス信号を積分し比較回路４４に供給する。The fuel supply amount control unit 4o includes an integration circuit 42 and a comparison circuit 44.
, amplifier circuits 46 and 48 perform rounding control to compensate for the drop in vehicle speed when the vehicle speed is at a single speed or less than a set speed. That is, the integrating circuit 42 receives the output signal of the vehicle speed comparator 14, which is the output signal of the vehicle speed comparator 14 under the duty ratio control.
The pulse signal of 0" is integrated and supplied to the comparator circuit 44.
比較回路４４は、積分回路４２がらの出方信号が所定値
を越えたとき、すなわち実車速が設定車速以下になりデ
ユーティ比の割合いが所定値以上になったときオン信号
を出方する。このオン信号は増幅回路４６．４８に供給
される。そしてこのオン信号によって増幅回路４６．４
８の増！＆１度が通常の場合よルも高い方に切）換えら
れる。The comparison circuit 44 outputs an ON signal when the output signal from the integrating circuit 42 exceeds a predetermined value, that is, when the actual vehicle speed becomes less than the set vehicle speed and the duty ratio ratio exceeds the predetermined value. This on signal is supplied to amplifier circuits 46 and 48. Then, by this ON signal, the amplifier circuit 46.4
Increase of 8! If &1 degree is normal, it can also be switched to higher degree.
この結果、エンジンの点火時期、エンジンへの燃料供給
量等を制御するエンジン制御部５２がらの燃料噴射信号
１００、エアバイパスバルブ制御信号１０２はそれぞれ
増幅回路４６．４８において通常の場合よりも高い増幅
度で増幅され駆動回路５４．５６に供給される。As a result, the fuel injection signal 100 and the air bypass valve control signal 102 from the engine control unit 52, which control the engine ignition timing, the amount of fuel supplied to the engine, etc., are amplified higher than in the normal case in the amplifier circuits 46 and 48, respectively. The signal is amplified by 54.degree. and supplied to drive circuits 54 and 56.
この結果、エアバイパスバルブ（マたはステップモータ
）５８は通常の場合よシも広く開かれるので、エアーク
リーナ６０、エアー７四メータ６２を介して工ンジンシ
リンダープロツ／ ６４１Ｃ吸入されるエアー吸入量が
増大する。As a result, the air bypass valve (or step motor) 58 is opened wider than in normal cases, so that air is drawn into the engine cylinder through the air cleaner 60 and air meter 62. The amount increases.
又、同時に燃料噴射ソレノイド（又はインジェクター）
６６からエンジンシリンダーブロック６４への燃料噴射
量が増大する。Also, at the same time, the fuel injection solenoid (or injector)
66 to the engine cylinder block 64 increases.
このように、車速か設定車速以下になると、エンジンへ
のエアー吸入量と燃料噴射量が所定量だけ増大しエンジ
ン出力が増大するので、車両の走行抵抗の増大に伴って
低下した車速を設定車速に戻すことができる。In this way, when the vehicle speed drops below the set vehicle speed, the amount of air intake into the engine and the amount of fuel injected increase by a predetermined amount, increasing the engine output, so the vehicle speed that has decreased due to the increase in vehicle running resistance becomes the set vehicle speed. can be returned to.
以上説明したように、本発明によれば、登シ坂路等にお
いて車両の走行抵抗が増大しても定速走行における設定
車速を常に維持できるという優れた効果がある。As explained above, according to the present invention, there is an excellent effect that the set vehicle speed can always be maintained during constant speed driving even when the running resistance of the vehicle increases on a slope or the like.
添付図面は本発明に係る車両用定速走行装置の構成図で
ある。
２−・車速信号発生部、
１０−・定速走行指令部、
１４−・・車速比較部、
２２−・スロットル弁制御部、
２８−記憶回路、
４０・・・燃料供給量制御部。
代理人 鵜 沼 辰 之
（ほか２名）The accompanying drawing is a configuration diagram of a constant speed traveling device for a vehicle according to the present invention. 2--Vehicle speed signal generation section, 10--Constant speed running command section, 14--Vehicle speed comparison section, 22--Throttle valve control section, 28--Storage circuit, 40--Fuel supply amount control section. Agent Tatsuyuki Unuma (and 2 others)
Claims (1)
と、車両の定速走行を指令する定速走行指令部と、定速
走行が指令されたときの車速信号を記憶する配憶回路と
、車速信号発生部の出力信号と記憶回路に記憶された車
速信号とを比較し比較値に応じ良信号を出力する車速比
較部と、車速比較部の出力信号に応じてスロットル弁の
開度を制御するスロットル弁制御部と、車速比ＩＩＲ部
の出力信号を取シ込みこの出力信号が所定値を越えたと
きエンジンへの燃料噴射量及びエアー吸入量を所定量増
大させるように制御する燃料供給量制御部と、を有する
仁とを特徴とする車両用定速走行装置。(1) A vehicle speed signal generating section that outputs a signal according to the vehicle speed, a constant speed driving command section that commands constant speed driving of the vehicle, and a storage circuit that stores the vehicle speed signal when constant speed driving is commanded. , a vehicle speed comparison section that compares the output signal of the vehicle speed signal generation section and the vehicle speed signal stored in the storage circuit and outputs a good signal according to the comparison value; and a vehicle speed comparison section that outputs a good signal according to the comparison value; A throttle valve control section to control, and a fuel supply that receives an output signal from the vehicle speed ratio IIR section and controls the fuel injection amount and air intake amount to the engine to increase by a predetermined amount when this output signal exceeds a predetermined value. 1. A constant speed traveling device for a vehicle, comprising: a quantity control section;
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11579881A JPS5828563A (en) | 1981-07-23 | 1981-07-23 | Constant-speed driving device for vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11579881A JPS5828563A (en) | 1981-07-23 | 1981-07-23 | Constant-speed driving device for vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5828563A true JPS5828563A (en) | 1983-02-19 |
Family
ID=14671336
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11579881A Pending JPS5828563A (en) | 1981-07-23 | 1981-07-23 | Constant-speed driving device for vehicle |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5828563A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5835878A (en) * | 1995-09-28 | 1998-11-10 | Aisin Seiki Kabushiki Kaisha | Vehicle speed control system |
| US6915202B2 (en) * | 2002-05-08 | 2005-07-05 | Robert Bosch Gmbh | Method and arrangement for controlling the drive unit of a vehicle |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5214126A (en) * | 1975-07-23 | 1977-02-02 | Toyota Motor Corp | Fuel increasing device of internal combustion engine in accelerating t ime |
| JPS55104545A (en) * | 1979-02-02 | 1980-08-11 | Fujitsu Ten Ltd | Constant speed running device for automobile |
| JPS5623529A (en) * | 1979-08-03 | 1981-03-05 | Jidosha Denki Kogyo Co Ltd | Automatic speed controller |
-
1981
- 1981-07-23 JP JP11579881A patent/JPS5828563A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5214126A (en) * | 1975-07-23 | 1977-02-02 | Toyota Motor Corp | Fuel increasing device of internal combustion engine in accelerating t ime |
| JPS55104545A (en) * | 1979-02-02 | 1980-08-11 | Fujitsu Ten Ltd | Constant speed running device for automobile |
| JPS5623529A (en) * | 1979-08-03 | 1981-03-05 | Jidosha Denki Kogyo Co Ltd | Automatic speed controller |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5835878A (en) * | 1995-09-28 | 1998-11-10 | Aisin Seiki Kabushiki Kaisha | Vehicle speed control system |
| US6915202B2 (en) * | 2002-05-08 | 2005-07-05 | Robert Bosch Gmbh | Method and arrangement for controlling the drive unit of a vehicle |
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