JPS59150981A - Glow plug control device for internal-combustion engine - Google Patents

Glow plug control device for internal-combustion engine

Info

Publication number
JPS59150981A
JPS59150981A JP2381583A JP2381583A JPS59150981A JP S59150981 A JPS59150981 A JP S59150981A JP 2381583 A JP2381583 A JP 2381583A JP 2381583 A JP2381583 A JP 2381583A JP S59150981 A JPS59150981 A JP S59150981A
Authority
JP
Japan
Prior art keywords
glow plug
circuit
temperature
control device
discharge
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
Application number
JP2381583A
Other languages
Japanese (ja)
Inventor
Naomi Tomizawa
富澤 尚己
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.)
Hitachi Unisia Automotive Ltd
Original Assignee
Japan Electronic Control Systems Co 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 Japan Electronic Control Systems Co Ltd filed Critical Japan Electronic Control Systems Co Ltd
Priority to JP2381583A priority Critical patent/JPS59150981A/en
Publication of JPS59150981A publication Critical patent/JPS59150981A/en
Pending legal-status Critical Current

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02PIGNITION, OTHER THAN COMPRESSION IGNITION, FOR INTERNAL-COMBUSTION ENGINES; TESTING OF IGNITION TIMING IN COMPRESSION-IGNITION ENGINES
    • F02P19/00Incandescent ignition, e.g. during starting of internal combustion engines; Combination of incandescent and spark ignition
    • F02P19/02Incandescent ignition, e.g. during starting of internal combustion engines; Combination of incandescent and spark ignition electric, e.g. layout of circuits of apparatus having glowing plugs
    • F02P19/025Incandescent ignition, e.g. during starting of internal combustion engines; Combination of incandescent and spark ignition electric, e.g. layout of circuits of apparatus having glowing plugs with means for determining glow plug temperature or glow plug resistance
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02PIGNITION, OTHER THAN COMPRESSION IGNITION, FOR INTERNAL-COMBUSTION ENGINES; TESTING OF IGNITION TIMING IN COMPRESSION-IGNITION ENGINES
    • F02P19/00Incandescent ignition, e.g. during starting of internal combustion engines; Combination of incandescent and spark ignition
    • F02P19/02Incandescent ignition, e.g. during starting of internal combustion engines; Combination of incandescent and spark ignition electric, e.g. layout of circuits of apparatus having glowing plugs
    • F02P19/021Incandescent ignition, e.g. during starting of internal combustion engines; Combination of incandescent and spark ignition electric, e.g. layout of circuits of apparatus having glowing plugs characterised by power delivery controls

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Ignition Installations For Internal Combustion Engines (AREA)

Abstract

PURPOSE:To prevent the plug from overheating by a method wherein a discharging circuit, simulating temperature decrease after stopping the conduction of the glow plug, is provided and the conducting time of the glow plug, which is determined from the cooling water temperature of the engine, is corrected based on the discharging voltage of the discharging circuit. CONSTITUTION:When a preheating switch becomes OFF during the conducting period of the glow plug 11, impression of the voltage of a battery 14 on the discharing circuit 15a, provided so as to simulate the temperature decrease after the stopping of the conduction of the glow plug 11, is stopped, the capacitor C of the circuit 15a discharges through resistors R2, R3 and the manner of discharging voltage drop becomes same as the manner of the temperature decrease of the glow plug 11. When the preheating switch becomes ON again, the temperature rise of the glow plug 11 due to the conduction of previous time is considered and a correcting coefficient, having a value smaller than the same in case the temperature of the glow plug 11 is low, is selected to set the shorter conducting period of time of the plug 11. According to this method, the overheat of the glow plug 11 may be prevented and the durability of the same may be improved.

Description

【発明の詳細な説明】 く技術分野〉 本発明は内燃機関のグロープラグの通電時!!jを制御
する装置に関する。
[Detailed Description of the Invention] Technical Field> The present invention is applied to glow plugs of internal combustion engines when energized! ! This invention relates to a device for controlling j.

〈背景技術〉 内燃機関たとえばディーゼル機関等の圧縮着火機関にお
いては、機関始動時における燃料噴軸の着火を促進する
ために予め燃焼室を加熱するグロープラグが使用される
。このグロープラグの通電時間を制御する装置の従来例
として、第1図に示すものがある。
<Background Art> In a compression ignition engine such as an internal combustion engine, such as a diesel engine, a glow plug is used to heat a combustion chamber in advance in order to promote ignition of a fuel injection shaft when starting the engine. A conventional example of a device for controlling the energization time of a glow plug is shown in FIG.

すなわち、図においてエンジンキースイッチ1がオンに
なり、図示しない予熱スイッチがオンとなると制御装置
2が作動を開始し、グロープラグ用リレー3を所定時間
閉結する。これによシバッテリ4の電圧がグロープラグ
5に印加され、グロープラグ5が赤熱し燃焼室が加熱さ
れて機開始動に備えられる。ζこで、前記所定時間は温
度センサ6により検出された機関冷却水温度から決定さ
れる。すなわち、冷却水温度が低い場合は所定時間は長
く、逆に冷却水温度が為い場合には所定時間は短く設定
される。     ・ ・なお、この制御装置2は機開
始動と共に発生する図示しないオルタネータの出力電圧
を機関始動確認信号として受取ると、グロープラグ用リ
レー3を開放してグロープラグ5への通電を停止する機
能をも備えている。
That is, in the figure, when the engine key switch 1 is turned on and the preheating switch (not shown) is turned on, the control device 2 starts operating and closes the glow plug relay 3 for a predetermined period of time. As a result, the voltage of the battery 4 is applied to the glow plug 5, the glow plug 5 becomes red hot, and the combustion chamber is heated to prepare for starting the aircraft. ζ Here, the predetermined time is determined from the engine cooling water temperature detected by the temperature sensor 6. That is, when the cooling water temperature is low, the predetermined time is set to be long, and when the cooling water temperature is low, the predetermined time is set to be short.・ ・This control device 2 has a function of opening the glow plug relay 3 and stopping the supply of electricity to the glow plug 5 when it receives the output voltage of an alternator (not shown) that is generated with the engine starting operation as an engine start confirmation signal. It is also equipped with

このようなグロープラグ50制御装置2にあっては、温
度センサ6の出力電圧から決定される所定時間の間グロ
ープラグ5に通電させるだめのタイマー社、予熱スイッ
チかオンになるとその時点から計時を開始するようにな
っている。このため機関始動操作をせずに予熱スイッチ
のオン、オフを繰υ返した場合には、そのたびにタイマ
ーはリセットされその時点から前記所定時間グロープラ
グ5に通電されることになる。そして、この通電時間の
決定には前回の予熱スイッチオンによるグロープラグ5
の温度上昇は考慮されてい々いから。
In such a glow plug 50 control device 2, a timer is used to energize the glow plug 5 for a predetermined period of time determined from the output voltage of the temperature sensor 6, and when a preheating switch is turned on, timing is started from that point on. It's about to start. Therefore, if the preheating switch is repeatedly turned on and off without starting the engine, the timer is reset each time, and from that point on, the glow plug 5 is energized for the predetermined period of time. In order to determine this energization time, the glow plug 5
temperature rise must be taken into account.

グロープラグ5の通電時間の総和か長くな夛、グロープ
ラグ5温度が必要以上に上昇し、グロープラグヒータの
断線やグロープラグ5の溶損などの不都合が生じる。
If the total energization time of the glow plug 5 is too long, the temperature of the glow plug 5 will rise more than necessary, causing problems such as disconnection of the glow plug heater and melting of the glow plug 5.

く目的〉 本発明はこのような従来の問題点に注目してなされたも
ので、機関冷却水温度から決定されたグロープラグ通電
時間に通電開始時のグロープラグ温度も考慮して補正を
加えることを目的とする。
Purpose of the Invention The present invention has been made in view of such conventional problems, and it is an object of the present invention to correct the glow plug energization time determined from the engine cooling water temperature by taking into account the glow plug temperature at the time of starting energization. With the goal.

〈発明の概袂〉 このためにグロープラグの通電停止後の温度降下をシュ
ミレートするような放電時定数を持つ放電回路と、この
放電回路の放電電圧をグロープラグ通電開始時に検出す
る回路とを設けると共に、この電圧検出回路の出力から
間接的にグロープラグ温度を検出し、これに基づき機−
冷却水温から決定されたグロープラグi?a’に時間に
補正を加える補正回路を設けた制御装置を構成する。
<Summary of the invention> For this purpose, a discharge circuit having a discharge time constant that simulates the temperature drop after the glow plug stops energizing, and a circuit that detects the discharge voltage of this discharge circuit when the glow plug starts energizing are provided. At the same time, the glow plug temperature is indirectly detected from the output of this voltage detection circuit, and the machine is activated based on this.
Glow plug i determined from cooling water temperature? A control device is constructed that includes a correction circuit that corrects time for a'.

〈実施例〉 以下第2図に示す一実施例に基づき本発明を説明する。<Example> The present invention will be explained below based on an embodiment shown in FIG.

構成 図において各気筒毎に設けられたグロープラグ11を並
列に接続した回路はグロープラグ用リレー12およびエ
ンジンキースイッチ13を介してバッテリ14に接続さ
れグロープラグ通電回路を構成する。ここで、グロープ
ラグ用リレー12は制御装rj!J、15から発せられ
る信号によシ閉結・開放作動するようになっている。
In the configuration diagram, a circuit in which glow plugs 11 provided for each cylinder are connected in parallel is connected to a battery 14 via a glow plug relay 12 and an engine key switch 13, thereby forming a glow plug energizing circuit. Here, the glow plug relay 12 is a control device rj! It is designed to close and open according to the signal emitted from J and 15.

また、グロープラグ11端子電圧はこのグロープラグ1
1端子電停止後の温度降下をシュミレートする放電回路
15aに印加されるようになっており、この回路に含ま
れるコンデンサCをダイ・オードDおよび抵抗R1を介
して充電する。このコンデンサCに充電され次電荷はグ
ロープラグ11の通電が停止されると放電を開始し、そ
の放電電圧は抵抗R2*R3によシ分圧されラッチ回路
15bを介してコントローラ15eに入力されるように
なっている。ζこで、このコンデンサCの静霜。
Also, the glow plug 11 terminal voltage is
The voltage is applied to a discharge circuit 15a that simulates a temperature drop after one terminal is stopped, and a capacitor C included in this circuit is charged via a diode D and a resistor R1. This capacitor C is charged and the next charge starts discharging when the glow plug 11 is de-energized, and the discharge voltage is divided by the resistor R2*R3 and input to the controller 15e via the latch circuit 15b. It looks like this. ζHere, the static frost of this capacitor C.

容量の値と抵抗R2’* R3の抵抗値との組合せは、
グロープラグ110通電停止後の″温度降下をシュミレ
ートする時定数となるように選ぶ。
The combination of the capacitance value and the resistance value of resistor R2'* R3 is:
The time constant is selected to simulate the temperature drop after the glow plug 110 stops being energized.

一方、コントローラ15cには放電回路15aからの放
it′FI3I圧および機関冷却水の温度を検出する温
度センサ16の出力電圧が入力されるようになっており
、これらの入力信号を処理することによジグロープラグ
用リレー12に閉結または開放の信号を発する機能を有
する。このコントローラ15eは具体的にはマイクロコ
ンピュータで構成され、第3図のブロック図に示すよう
に温度センサ16の出力電圧を検出する回路20と、ラ
ッチ回路15bに取シ込まれた放電回路15!Lの放電
電圧を検出する回路21と、温度センサ16の出力電圧
からシロ−プラグ11通電時間を決定する演算回路22
と、その決定された通電時間に電圧検出回路21の出力
に基づいて補正を加える補正回路23と、この補正され
た通電時間だけ舗御装置15のリレー15dを閉結され
るタイマー回路24とを含むものである。
On the other hand, the output voltage of the temperature sensor 16 that detects the discharge circuit 15a and the engine cooling water temperature is input to the controller 15c, and these input signals are processed. It has a function of issuing a closing or opening signal to the relay 12 for the glow plug. This controller 15e is specifically composed of a microcomputer, and as shown in the block diagram of FIG. 3, it includes a circuit 20 for detecting the output voltage of the temperature sensor 16, and a discharge circuit 15! which is incorporated into the latch circuit 15b. A circuit 21 that detects the discharge voltage of L, and an arithmetic circuit 22 that determines the energization time of the white plug 11 from the output voltage of the temperature sensor 16.
, a correction circuit 23 that corrects the determined energization time based on the output of the voltage detection circuit 21, and a timer circuit 24 that closes the relay 15d of the paving control device 15 for the corrected energization time. It includes.

ことにおいて、機関冷却水温から演算回路22が決定す
るグロープラグ11の通電時間は、冷却水温の高低に対
応してそれぞれ短くまたは長くなるように設定する。ま
た、ここで決定された通電時間に対して補正回路23が
放電回路15mの放電電圧に基づいてする補正は、たと
えば第4図に示すように放電電圧の増加につれて減少す
る1から0までの値をとる補正係数を前記通を時間に乗
することにニジなされる。
In particular, the energization time of the glow plug 11 determined by the arithmetic circuit 22 from the engine cooling water temperature is set to be shorter or longer depending on the height of the cooling water temperature. Further, the correction circuit 23 makes the correction based on the discharge voltage of the discharge circuit 15m with respect to the energization time determined here, for example, as shown in FIG. 4, a value from 1 to 0 that decreases as the discharge voltage increases. This is done by multiplying the above times by a correction factor that takes the above equation.

なお、このコントローラL5eには機関始動と共に発生
する図示しないオルタネータの出力電圧が入力されると
グロープラグ11への通電を停止させる回路25も含ま
れている。
The controller L5e also includes a circuit 25 that stops energizing the glow plug 11 when an output voltage from an alternator (not shown) that is generated when the engine starts is input.

作用 次に作用を説明する。action Next, the effect will be explained.

エンジンキースイッチ13がオンになるとバッテリ14
の電圧が制御装置15に印加され、ついで図示しない予
熱スイッチがオンとなると制御装置15は作動を開始し
、まず放電回路15aの放電電圧および温度センサ16
の出力電圧がそれぞれコントローラ15cの電圧検出回
路21.20に入力される。このとき放電回路15aの
放電電圧はラッチ回路15bに取り込まれた電源投入直
後の値だけが電圧検出回路21に入力されるようKなっ
ている。そして、コントローラ15cの演算回路22は
前に述べた仕方で水温センサ16の出力から通電時間を
決定し、これを補正回路23が放電回路15&の放電電
圧に基づき補正する。
When the engine key switch 13 is turned on, the battery 14
voltage is applied to the control device 15, and then a preheating switch (not shown) is turned on, the control device 15 starts operating.
The output voltages are respectively input to the voltage detection circuits 21 and 20 of the controller 15c. At this time, the discharge voltage of the discharge circuit 15a is set so that only the value taken into the latch circuit 15b immediately after the power is turned on is input to the voltage detection circuit 21. Then, the arithmetic circuit 22 of the controller 15c determines the energization time from the output of the water temperature sensor 16 in the manner described above, and the correction circuit 23 corrects this based on the discharge voltage of the discharge circuit 15&.

ついで、コントローラ15cのタイマー回路24が七の
時間だけ制御装置15のリレー15dを閉結することに
よりグロープラグ用リレー12を閉結しグロープラグ1
1に通電する。このグロープラグ11に印加されたバッ
テリ14の起電力は同時に放電回路15&に印加され、
この回路に含まれるコンデンサCを抵抗R1を介して充
電する。
Next, the timer circuit 24 of the controller 15c closes the relay 15d of the control device 15 for a period of 7 hours, thereby closing the glow plug relay 12 and turning off the glow plug 1.
1 is energized. The electromotive force of the battery 14 applied to this glow plug 11 is simultaneously applied to the discharge circuit 15&,
A capacitor C included in this circuit is charged via a resistor R1.

このグロープラグ110通電期間が終了しグロープラグ
用リレー12が開放状態となったとき、またはこのグロ
ープラグ110通電期間中に予熱スイッチがオフになっ
たときには放電回路15&へのバッテリ電圧の印加が停
止され放電回路15aのコンデンサCd抵抗R2tR3
を介して放電を開始する。このとき放電、時定数はグロ
ープラグ11の温度降下をシュミレートするように定め
られているから放電回路15aの放電電圧の降下の仕方
はグロープラグ11温度の降下の仕方と同様である。こ
のため、この放電回路15mの放電電圧により決定され
る機関冷却水温から定まるグロープラグ11通電時間に
対する補正係数材、通電開始時のグロープラグ11温度
が低いときは1に近い値とな夛、一方クロープラグ11
温度が高い場合にはOに近い値と力る。
When the glow plug 110 energization period ends and the glow plug relay 12 becomes open, or when the preheating switch is turned off during the glow plug 110 energization period, the application of battery voltage to the discharge circuit 15 & is stopped. Capacitor Cd resistance R2tR3 of discharge circuit 15a
Start discharging through. At this time, the discharge time constant is determined to simulate the temperature drop of the glow plug 11, so the way the discharge voltage of the discharge circuit 15a drops is the same as the way the temperature of the glow plug 11 drops. Therefore, the correction coefficient for the glow plug 11 energization time determined from the engine cooling water temperature determined by the discharge voltage of the discharge circuit 15m is close to 1 when the glow plug 11 temperature at the start of energization is low; claw plug 11
If the temperature is high, the value should be close to O.

ととて予熱スイッチが再びオンになった場合には前回の
グロープラグ11通電によるグロープラグ11の温度の
上昇が考慮され、グロープラグ11濡度が低い場合よシ
も小さな値の補正係数が選はれてグロープラグ11通電
時間が短く設定されるからグロープラグ11の過熱の防
止が図られる。
When the preheating switch is turned on again, the increase in temperature of the glow plug 11 due to the previous energization of the glow plug 11 is taken into account, and a correction coefficient with a small value is selected even when the wetness of the glow plug 11 is low. Since the energizing time of the glow plug 11 is set short, overheating of the glow plug 11 can be prevented.

以下、予熱スイッチのオン、オフを数回繰シ返した場合
も同様にしてグロープラグ11通電時間が短く設定され
るようになシ、グロープラグ11の過熱か防止される。
Thereafter, even if the preheating switch is turned on and off several times, the energization time of the glow plug 11 is set short in the same way, and overheating of the glow plug 11 is prevented.

このグロープラグ110通電による燃焼室の予熱が完了
した時点で機関始動操作が行われるわけであるが、もし
グロープラグ110通電期間中に椋:携始動操作が行わ
れ機関か完爆すると図示しないオルタネータが出力〜1
−圧を発生するように々る。
The engine starting operation is performed when preheating of the combustion chamber by energizing the glow plug 110 is completed, but if the engine starting operation is performed while the glow plug 110 is energized and the engine completely explodes, an alternator (not shown) will be activated. is output~1
- Moves to generate pressure.

コントローラ15mの機関始動検出回路25はこのオル
タネータの出力電圧を受は取ると制御装置15のリレー
15dを開放し、これによりグロープラグ用リレー12
が開放されグロープラグ11への通電が停止される。
When the engine start detection circuit 25 of the controller 15m receives the output voltage of the alternator, it opens the relay 15d of the control device 15, and thereby the glow plug relay 12
is opened and power supply to the glow plug 11 is stopped.

〈効果〉 以上説明したように本発明では、グロープラグの通電停
止後の温度降下をシュミレートするような放電回路を設
け、機関冷却水温から決定されるグロープラグの通電時
間をこの放電回路の放電電圧に基づいて補正したから、
予熱スイッチのオン、オフを繰り返したときに生じるグ
ロープラグの過熱によるヒータの断線およびグロープラ
グの溶損などが防止され、グロープラグの耐久性の向上
か図られる。
<Effects> As explained above, in the present invention, a discharge circuit is provided that simulates the temperature drop after energization of the glow plug is stopped, and the discharge voltage of this discharge circuit is determined from the glow plug energization time determined from the engine cooling water temperature. Since I corrected it based on
Breaking of the heater and melting of the glow plug due to overheating of the glow plug that occurs when the preheating switch is repeatedly turned on and off is prevented, and the durability of the glow plug is improved.

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

第1図はグロープラグ制御装置の従来例を示す回路図、
第2図は本発明の一実施例を示すプルツク回路図、第3
図は同上制御装置のブロック図、第4図は放電電圧と補
正係数との関係を示すグラ  、フである。゛ 11・・・グロープラグ  12・・・グロープラグ用
リレー  13・・・エンジンキースイ−)’f   
14・・・バッテリ  15・・・制御装置  15色
・・・放電回路  15b・・・ラッチ回路  1−5
c・・・コントローラ  15d・・・リレー  16
・・・温度センサ20.21・・・電圧検出回路  2
2・・・演算回路23・・・補正回路  24・・・タ
イマー回路時 許 出 願 人  日本電子機器株式会
社代理人 弁理士 笹 島 畠二雄
Figure 1 is a circuit diagram showing a conventional example of a glow plug control device.
Figure 2 is a pull circuit diagram showing one embodiment of the present invention;
The figure is a block diagram of the above control device, and FIG. 4 is a graph showing the relationship between the discharge voltage and the correction coefficient.゛11...Glow plug 12...Glow plug relay 13...Engine key seat)'f
14...Battery 15...Control device 15 colors...Discharge circuit 15b...Latch circuit 1-5
c...Controller 15d...Relay 16
...Temperature sensor 20.21...Voltage detection circuit 2
2...Arithmetic circuit 23...Correction circuit 24...Timer circuit Applicant: Nippon Electronics Co., Ltd. Agent Patent attorney: Shio Sasashima Hatake

Claims (1)

【特許請求の範囲】[Claims] グロープラグ通電回路と、機関冷却水温度を検出する温
糺センサと、この温度センサの出力を検出する回路と、
この温度センサの出力から前記グロープラグ通電、回路
の通電時間を決定する演算回路と、該通電時間グロープ
ラグ通電回路に通1b、させるタイマー回路とを有する
グロープラグ制御装置において、前記グロープラグの通
電停止後の温度降下をシュミレートするような放電時定
数を持つ放電回路と、前記グロープラグの通iti、r
A始時に前記放電回路の放電電圧を検出する回路と、該
放電電圧に基づき前記グロープラグの前記通電時間を補
正する補正回路とを設ゆたことを特徴とする内燃機関の
グロープラグ制御装置。
A glow plug energizing circuit, a thermal sensor that detects the engine cooling water temperature, a circuit that detects the output of this temperature sensor,
In the glow plug control device, the glow plug control device includes an arithmetic circuit that determines the energization time of the glow plug and the circuit from the output of the temperature sensor, and a timer circuit that causes the glow plug energization circuit to be energized for the energization time. A discharge circuit having a discharge time constant that simulates a temperature drop after stopping, and a communication circuit of the glow plug.
A glow plug control device for an internal combustion engine, comprising: a circuit for detecting the discharge voltage of the discharge circuit at the start of A; and a correction circuit for correcting the energization time of the glow plug based on the discharge voltage.
JP2381583A 1983-02-17 1983-02-17 Glow plug control device for internal-combustion engine Pending JPS59150981A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2381583A JPS59150981A (en) 1983-02-17 1983-02-17 Glow plug control device for internal-combustion engine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2381583A JPS59150981A (en) 1983-02-17 1983-02-17 Glow plug control device for internal-combustion engine

Publications (1)

Publication Number Publication Date
JPS59150981A true JPS59150981A (en) 1984-08-29

Family

ID=12120839

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2381583A Pending JPS59150981A (en) 1983-02-17 1983-02-17 Glow plug control device for internal-combustion engine

Country Status (1)

Country Link
JP (1) JPS59150981A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH05113166A (en) * 1991-10-23 1993-05-07 Japan Electron Control Syst Co Ltd Glow plug control device for diesel engine

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5465225A (en) * 1977-10-11 1979-05-25 Gen Motors Corp Circuit of controlling diesel engine glow plug excitation
JPS577305A (en) * 1980-06-13 1982-01-14 Nissan Motor Co Ltd Method and apparatus for manufacturing hollow shaft

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5465225A (en) * 1977-10-11 1979-05-25 Gen Motors Corp Circuit of controlling diesel engine glow plug excitation
JPS577305A (en) * 1980-06-13 1982-01-14 Nissan Motor Co Ltd Method and apparatus for manufacturing hollow shaft

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH05113166A (en) * 1991-10-23 1993-05-07 Japan Electron Control Syst Co Ltd Glow plug control device for diesel engine

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