JP2010216404A - Electronic governor for diesel engine - Google Patents
Electronic governor for diesel engine Download PDFInfo
- Publication number
- JP2010216404A JP2010216404A JP2009065528A JP2009065528A JP2010216404A JP 2010216404 A JP2010216404 A JP 2010216404A JP 2009065528 A JP2009065528 A JP 2009065528A JP 2009065528 A JP2009065528 A JP 2009065528A JP 2010216404 A JP2010216404 A JP 2010216404A
- Authority
- JP
- Japan
- Prior art keywords
- rack
- electronic governor
- diesel engine
- fuel metering
- detection rod
- 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
Links
Images
Landscapes
- High-Pressure Fuel Injection Pump Control (AREA)
Abstract
Description
本発明は、ディーゼルエンジンの電子ガバナに関し、詳しくは、燃料調量ラックの新たな寸法管理が不要となるディーゼルエンジンの電子ガバナに関する。 The present invention relates to an electronic governor for a diesel engine, and more particularly, to an electronic governor for a diesel engine that eliminates the need for new dimension management of a fuel metering rack.
従来の電子ガバナとして、目標回転数設定手段と実回転数検出手段とラック位置検出手段とを制御手段を介して電動アクチュエータに連係させ、ラック位置検出手段の検出ロッドを付勢スプリングで先端方向に付勢し、この検出ロッドの先端部を燃料噴射ポンプの燃料調量ラックに接当させ、付勢スプリングの付勢力で燃料調量ラックを電動アクチュエータの出力部に圧接させたものがある。
この種の電子ガバナによれば、燃料調量ラックの位置検出により、迅速に実回転数を目標回転数に整定できる利点がある。
しかし、この従来技術では、ラック位置検出手段の検出ロッドの先端面を燃料調量ラックの端面に接当させているため、問題がある。
As a conventional electronic governor, the target rotation speed setting means, the actual rotation speed detection means, and the rack position detection means are linked to the electric actuator through the control means, and the detection rod of the rack position detection means is moved in the distal direction by a biasing spring. In some cases, the tip of the detection rod is brought into contact with the fuel metering rack of the fuel injection pump, and the fuel metering rack is brought into pressure contact with the output portion of the electric actuator by the biasing force of the biasing spring.
This type of electronic governor has an advantage that the actual rotational speed can be quickly set to the target rotational speed by detecting the position of the fuel metering rack.
However, this prior art has a problem because the end surface of the detection rod of the rack position detecting means is in contact with the end surface of the fuel metering rack.
《問題》 検出ロッドが接当する燃料調量ラックの端面の寸法管理が新たに必要となる。
ラック位置検出センサの検出ロッドの先端面を燃料調量ラックの端面に接当させているため、燃料調量ラックの端面位置のばらつきを小さくする必要があり、検出ロッドが接当する燃料調量ラックの端面の寸法管理が新たに必要となる。
<< Problem >> The dimension management of the end face of the fuel metering rack with which the detection rod contacts is newly required.
Because the end face of the detection rod of the rack position detection sensor is in contact with the end face of the fuel metering rack, it is necessary to reduce the variation in the end face position of the fuel metering rack, and the fuel metering to which the detection rod contacts Dimensional management of the end face of the rack is newly required.
本発明の課題は、上記問題を解決することができるディーゼルエンジンの電子ガバナ、すなわち、燃料調量ラックの新たな寸法管理が不要となるディーゼルエンジンの電子ガバナを提供することにある。 An object of the present invention is to provide an electronic governor for a diesel engine that can solve the above-described problem, that is, an electronic governor for a diesel engine that does not require new dimensional management of a fuel metering rack.
請求項１に係る発明の発明特定事項は、次の通りである。
図１(Ａ)に例示するように、目標回転数設定手段(１)と実回転数検出手段(２)とラック位置検出手段(３)とを制御手段(４)を介して電動アクチュエータ(５)に連係させ、ラック位置検出手段(３)の検出ロッド(３ａ)を付勢スプリング(３ｂ)で先端方向に付勢し、この検出ロッド(３ａ)の先端部(３ｃ)を燃料噴射ポンプ(６)の燃料調量ラック(６ａ)に接当させ、付勢スプリング(３ｂ)の付勢力(３ｄ)で燃料調量ラック(６ａ)を電動アクチュエータ(５)の出力部(５ａ)に圧接させた、ディーゼルエンジンの電子ガバナにおいて、
図１、２、４、５に例示するように、ラック位置検出手段(３)の検出ロッド(３ａ)の先端面(３ｅ)を燃料調量ラック(６ａ)のラックピン(６ｃ)の周面(６ｄ)に接当させた、ことを特徴とするディーゼルエンジンの電子ガバナ。
Invention specific matters of the invention according to claim 1 are as follows.
As illustrated in FIG. 1A, the target rotational speed setting means (1), the actual rotational speed detection means (2), and the rack position detection means (3) are connected to the electric actuator (5) via the control means (4). ), The detection rod (3a) of the rack position detection means (3) is urged in the distal direction by the urging spring (3b), and the tip (3c) of the detection rod (3a) is urged to the fuel injection pump ( 6) is brought into contact with the fuel metering rack (6a), and the fuel metering rack (6a) is brought into pressure contact with the output portion (5a) of the electric actuator (5) by the biasing force (3d) of the biasing spring (3b). In an electronic governor for diesel engines,
As shown in FIGS. 1, 2, 4, and 5, the front end surface (3e) of the detection rod (3a) of the rack position detection means (3) is connected to the peripheral surface of the rack pin (6c) of the fuel metering rack (6a). An electronic governor of a diesel engine characterized by being in contact with 6d).
(請求項１に係る発明)
請求項１に係る発明は、次の効果を奏する。
《効果》 燃料調量ラックの新たな寸法管理を必要としない。
図１、２、４、５に例示するように、ラック位置検出手段(３)の検出ロッド(３ａ)の先端面(３ｅ)を燃料調量ラック(６ａ)のラックピン(６ｃ)の周面(６ｄ)に接当させたので、燃料調量ラック(６ａ)の新たな寸法管理を必要としない。燃料調量ラック(６ａ)のラックピン(６ｃ)は、メカニカルガバナのガバナレバーからの入力部として既に寸法管理がなされているからである。
(Invention of Claim 1)
The invention according to claim 1 has the following effects.
<Effect> New dimension management of the fuel metering rack is not required.
As shown in FIGS. 1, 2, 4, and 5, the front end surface (3e) of the detection rod (3a) of the rack position detection means (3) is connected to the peripheral surface of the rack pin (6c) of the fuel metering rack (6a). 6d), it is not necessary to manage the new dimensions of the
(請求項２に係る発明)
請求項２に係る発明は、請求項１に係る発明の効果に加え、次の効果を奏する。
《効果》 ラック位置検出センサの検出精度を高く維持することができる。
図１、２に例示するように、ラック位置検出手段(３)の検出ロッド(３ａ)の先端面(３ｅ)を平坦面(３ｆ)とし、この平坦面(３ｆ)を円柱形のラックピン(６ｃ)の周面(６ｄ)に接当させたので、ラックピン(６ｃ)の高さが変わった場合でも、検出ロッド(３ａ)の先端部(３ｃ)が持ち上げられたり、押し下げられたりすることがなく、検出ロッド(３ａ)が傾くことによるラック位置検出手段(３)の摺動抵抗の増大を防止し、ラック位置検出手段(３)の検出精度を高く維持することができる。
ラックピン(６ｃ)の高さが変わる場合としては、燃料噴射ポンプ(６)のプランジャのプレストロークを調節するために、シム(６ｅ)の厚さを調節し、燃料噴射ポンプ(６)の高さを変更する場合等がある。
(Invention of Claim 2)
The invention according to
<Effect> The detection accuracy of the rack position detection sensor can be maintained high.
As illustrated in FIGS. 1 and 2, the tip surface (3e) of the detection rod (3a) of the rack position detection means (3) is a flat surface (3f), and this flat surface (3f) is a cylindrical rack pin (6c). ) So that the tip (3c) of the detection rod (3a) is not lifted or pushed down even when the height of the rack pin (6c) changes. Further, it is possible to prevent the sliding resistance of the rack position detecting means (3) from increasing due to the inclination of the detecting rod (3a), and to maintain high detection accuracy of the rack position detecting means (3).
When the height of the rack pin (6c) changes, the thickness of the shim (6e) is adjusted to adjust the pre-stroke of the plunger of the fuel injection pump (6), and the height of the fuel injection pump (6) May be changed.
(請求項３に係る発明)
請求項３に係る発明は、請求項１に係る発明の効果に加え、次の効果を奏する。
《効果》 ラック位置検出センサの検出精度を高く維持することができる。
図４に例示するように、ラック位置検出手段(３)の検出ロッド(３ａ)の先端面(３ｅ)をＶ形面(３ｇ)とし、このＶ形面(３ｇ)を円柱形のラックピン(６ｃ)の周面(６ｄ)に係合させたので、検出ロッド(３ａ)の先端部(３ｃ)はラックピン(６ｃ)で支えられ、自重で下がることがなく、検出ロッド(３ａ)が傾くことによるラック位置検出手段(３)の摺動抵抗の増大を防止し、ラック位置検出手段(３)の検出精度を高く維持することができる。
(Invention of Claim 3)
The invention according to
<Effect> The detection accuracy of the rack position detection sensor can be maintained high.
As illustrated in FIG. 4, the tip surface (3e) of the detection rod (3a) of the rack position detection means (3) is a V-shaped surface (3g), and this V-shaped surface (3g) is a cylindrical rack pin (6c). ) Is engaged with the peripheral surface (6d), the tip (3c) of the detection rod (3a) is supported by the rack pin (6c), and does not fall by its own weight, but the detection rod (3a) is inclined. An increase in the sliding resistance of the rack position detection means (3) can be prevented, and the detection accuracy of the rack position detection means (3) can be maintained high.
(請求項４に係る発明)
請求項４に係る発明は、請求項１に係る発明の効果に加え、次の効果を奏する。
《効果》 ラック位置検出センサの検出精度を高く維持することができる。
図５に例示するように、ラック位置検出手段(３)の検出ロッド(３ａ)の先端面(３ｅ)を円弧面(３ｈ)とし、この円弧面(３ｈ)を円柱形のラックピン(６ｃ)の周面(６ｄ)に沿って係合させたので、検出ロッド(３ａ)の先端部(３ｃ)はラックピン(６ｃ)で支えられ、自重で下がることがなく、検出ロッド(３ａ)が傾くことによるラック位置検出手段(３)の摺動抵抗の増大を防止し、ラック位置検出手段(３)の検出精度を高く維持することができる。
(Invention of Claim 4)
The invention according to
<Effect> The detection accuracy of the rack position detection sensor can be maintained high.
As illustrated in FIG. 5, the tip surface (3e) of the detection rod (3a) of the rack position detection means (3) is an arc surface (3h), and this arc surface (3h) is the columnar rack pin (6c). Since the engagement is performed along the peripheral surface (6d), the tip (3c) of the detection rod (3a) is supported by the rack pin (6c), and does not fall down by its own weight, and the detection rod (3a) is inclined. An increase in the sliding resistance of the rack position detection means (3) can be prevented, and the detection accuracy of the rack position detection means (3) can be maintained high.
図１〜図３は本発明の第１実施形態に係るディーゼルエンジンの電子ガバナを説明する図、図４、５はそれぞれ本発明の第２、第３実施形態に係るディーゼルエンジンの電子ガバナを説明する図である。 1 to 3 are diagrams illustrating an electronic governor of a diesel engine according to the first embodiment of the present invention, and FIGS. 4 and 5 illustrate an electronic governor of a diesel engine according to the second and third embodiments of the present invention, respectively. It is a figure to do.
第１実施形態の概要は、次の通りである。
図１(Ａ)に示すように、シリンダブロック(図外)の横側にポンプ収容ケース(７)を設け、このポンプ収容ケース(７)に上側から燃料噴射ポンプ(６)を差し込んで、その下半部を収容している。燃料噴射ポンプ(６)の高さはシム(６ｅ)の厚さ調節によって調する。ポンプ収容ケース(７)には燃料噴射カム軸(８)を架設し、この燃料噴射カム軸(８)の燃料噴射カム(８ａ)に燃料噴射ポンプ(６)のタペット(６ｆ)を載せている。ポンプ収容ケース(７)の前側にはギヤケース(９)を取り付けている。ギヤケース(９)には燃料噴射カムギヤ(９ａ)を含むタイミングギヤトレイン(９ｂ)を収容している。燃料噴射ポンプ(６)には燃料調量ラック(６ａ)を前後摺動自在に取り付けている。燃料調量ラック(６ａ)にはラックピン(６ｃ)を取り付けている。ギヤケース(９)の前壁にはラック位置検出手段(３)を取り付け、ポンプ収容ケース(７)の後壁には電動アクチュエータ(５)を取り付けている。
The outline of the first embodiment is as follows.
As shown in FIG. 1 (A), a pump housing case (7) is provided on the side of the cylinder block (not shown), and the fuel injection pump (6) is inserted into the pump housing case (7) from above, Contains the lower half. The height of the fuel injection pump (6) is adjusted by adjusting the thickness of the shim (6e). A fuel injection cam shaft (8) is installed on the pump housing case (7), and a tappet (6f) of the fuel injection pump (6) is placed on the fuel injection cam (8a) of the fuel injection cam shaft (8). . A gear case (9) is attached to the front side of the pump housing case (7). The gear case (9) accommodates a timing gear train (9b) including a fuel injection cam gear (9a). A fuel metering rack (6a) is slidably attached to the fuel injection pump (6). Rack pins (6c) are attached to the fuel metering rack (6a). A rack position detecting means (3) is attached to the front wall of the gear case (9), and an electric actuator (5) is attached to the rear wall of the pump housing case (7).
電子ガバナの構成は、次の通りである。
図１(Ａ)に示すように、目標回転数設定手段(１)と実回転数検出手段(２)とラック位置検出手段(３)とを制御手段(４)を介して電動アクチュエータ(５)に連係させ、ラック位置検出手段(３)の検出ロッド(３ａ)を付勢スプリング(３ｂ)で先端方向に付勢し、この検出ロッド(３ａ)の先端部(３ｃ)を燃料噴射ポンプ(６)の燃料調量ラック(６ａ)に接当させ、付勢スプリング(３ｂ)の付勢力(３ｄ)で燃料調量ラック(６ａ)を電動アクチュエータ(５)の出力部(５ａ)に圧接させている。
The configuration of the electronic governor is as follows.
As shown in FIG. 1 (A), the target rotational speed setting means (1), the actual rotational speed detection means (2), and the rack position detection means (3) are connected to the electric actuator (5) via the control means (4). The detection rod (3a) of the rack position detection means (3) is urged by the urging spring (3b) in the distal direction, and the tip (3c) of the detection rod (3a) is urged to the fuel injection pump (6 ) Is brought into contact with the fuel metering rack (6a), and the fuel metering rack (6a) is pressed against the output part (5a) of the electric actuator (5) by the biasing force (3d) of the biasing spring (3b). Yes.
目標回転数設定手段(１)は、調速レバーの設定位置を電圧に変換するポテンショメータである。実回転数検出手段(２)は、クランク軸(１０)の回転数を検出する回転数センサである。ラック位置検出手段(３)は、燃料調量ラック(６ａ)の前後摺動に追従して前後摺動する検出ロッド(３ａ)の摺動位置を検出することにより、燃料調量ラック(６ａ)の摺動位置を検出するものである。検出ロッド(３ａ)の摺動位置の検出には、差動トランスを用いている。制御手段(４)はマイクロコンピュータである。電動アクチュエータ(５)は、リニアソレノイドである。付勢スプリング(３ｂ)は、押しバネで、ラック位置検出手段(３)の内部に収容している。電動アクチュエータ(５)の出力部(５ａ)は出力ロッドである。電動アクチュエータ(５)の出力部(５ａ)には、燃料調量ラック(６ａ)の燃料増量側端部(６ｂ)を圧接している。 The target rotational speed setting means (1) is a potentiometer that converts the set position of the speed control lever into a voltage. The actual rotational speed detection means (2) is a rotational speed sensor that detects the rotational speed of the crankshaft (10). The rack position detecting means (3) detects the sliding position of the detection rod (3a) that slides back and forth following the back-and-forth sliding of the fuel metering rack (6a), thereby detecting the fuel metering rack (6a). The sliding position is detected. A differential transformer is used to detect the sliding position of the detection rod (3a). The control means (4) is a microcomputer. The electric actuator (5) is a linear solenoid. The urging spring (3b) is a pushing spring and is housed inside the rack position detecting means (3). The output part (5a) of the electric actuator (5) is an output rod. The fuel increasing side end portion (6b) of the fuel metering rack (6a) is in pressure contact with the output portion (5a) of the electric actuator (5).
図１、２に示すように、ラック位置検出手段(３)の検出ロッド(３ａ)の先端面(３ｅ)を燃料調量ラック(６ａ)のラックピン(６ｃ)の周面(６ｄ)に接当させている。この第１実施形態では、ラック位置検出手段(３)の検出ロッド(３ａ)の先端面(３ｅ)を平坦面(３ｆ)とし、この平坦面(３ｆ)を円柱形のラックピン(６ｃ)の周面(６ｄ)に接当させている。 As shown in FIGS. 1 and 2, the front end surface (3e) of the detection rod (3a) of the rack position detecting means (3) is brought into contact with the peripheral surface (6d) of the rack pin (6c) of the fuel metering rack (6a). I am letting. In the first embodiment, the front end surface (3e) of the detection rod (3a) of the rack position detection means (3) is a flat surface (3f), and this flat surface (3f) is the circumference of the cylindrical rack pin (6c). It touches the surface (6d).
図４、５に示す第２実施形態と第３実施形態とは、次の点が第１実施形態と異なる。
図４に示す第２実施形態では、ラック位置検出手段(３)の検出ロッド(３ａ)の先端面(３ｅ)をＶ形面(３ｇ)とし、このＶ形面(３ｇ)を円柱形のラックピン(６ｃ)の周面(６ｄ)に係合させている。
図５に示す第３実施形態では、ラック位置検出手段(３)の検出ロッド(３ａ)の先端面(３ｅ)を円弧面(３ｈ)とし、この円弧面(３ｈ)を円柱形のラックピン(６ｃ)の周面(６ｄ)に沿って係合させている。
第２実施形態と第３実施形態の他の点は、第１実施形態と同じであり、図４、５中、第１実施形態と同一の要素には同一の符号を付しておく。
The second embodiment and the third embodiment shown in FIGS. 4 and 5 are different from the first embodiment in the following points.
In the second embodiment shown in FIG. 4, the tip surface (3e) of the detection rod (3a) of the rack position detection means (3) is a V-shaped surface (3g), and this V-shaped surface (3g) is a cylindrical rack pin. It is engaged with the peripheral surface (6d) of (6c).
In the third embodiment shown in FIG. 5, the tip surface (3e) of the detection rod (3a) of the rack position detecting means (3) is an arc surface (3h), and this arc surface (3h) is a cylindrical rack pin (6c). ) Is engaged along the peripheral surface (6d).
The other points of the second embodiment and the third embodiment are the same as those of the first embodiment. In FIGS. 4 and 5, the same elements as those of the first embodiment are denoted by the same reference numerals.
(１) 目標回転数設定手段
(２) 実回転数検出手段
(３) ラック位置検出手段
(３ａ) 検出ロッド
(３ｂ) 付勢スプリング
(３ｃ) 先端部
(３ｄ) 付勢力
(３ｅ) 先端面
(３ｆ) 平坦面
(３ｇ) Ｖ形面
(３ｈ) 円弧面
(４) 制御手段
(５) 電動アクチュエータ
(５ａ) 出力部
(６) 燃料噴射ポンプ
(６ａ) 燃料調量ラック
(６ｃ) ラックピン
(６ｄ) 周面
(1) Target speed setting means
(2) Actual rotational speed detection means
(3) Rack position detection means
(3a) Detection rod
(3b) Biasing spring
(3c) Tip
(3d) Energizing force
(3e) Tip surface
(3f) Flat surface
(3g) V-shaped surface
(3h) Arc surface
(4) Control means
(5) Electric actuator
(5a) Output section
(6) Fuel injection pump
(6a) Fuel metering rack
(6c) Rack pin
(6d) Circumference surface
Claims (4)
ラック位置検出手段(３)の検出ロッド(３ａ)の先端面(３ｅ)を燃料調量ラック(６ａ)のラックピン(６ｃ)の周面(６ｄ)に接当させた、ことを特徴とするディーゼルエンジンの電子ガバナ。 The target rotational speed setting means (1), the actual rotational speed detection means (2), and the rack position detection means (3) are linked to the electric actuator (5) via the control means (4), and the rack position detection means (3 ) Is urged toward the tip by a biasing spring (3b), and the tip (3c) of this detection rod (3a) is attached to the fuel metering rack (6a) of the fuel injection pump (6). In an electronic governor of a diesel engine in which the fuel metering rack (6a) is brought into pressure contact with the output part (5a) of the electric actuator (5) by the urging force (3d) of the urging spring (3b),
Diesel characterized in that the front end surface (3e) of the detection rod (3a) of the rack position detection means (3) is brought into contact with the peripheral surface (6d) of the rack pin (6c) of the fuel metering rack (6a). Engine electronic governor.
ラック位置検出手段(３)の検出ロッド(３ａ)の先端面(３ｅ)を平坦面(３ｆ)とし、この平坦面(３ｆ)を円柱形のラックピン(６ｃ)の周面(６ｄ)に接当させた、ことを特徴とするディーゼルエンジンの電子ガバナ。 In the electronic governor of the diesel engine according to claim 1,
The front end surface (3e) of the detection rod (3a) of the rack position detecting means (3) is a flat surface (3f), and this flat surface (3f) is in contact with the peripheral surface (6d) of the cylindrical rack pin (6c). An electronic governor of a diesel engine characterized by that.
ラック位置検出手段(３)の検出ロッド(３ａ)の先端面(３ｅ)をＶ形面(３ｇ)とし、このＶ形面(３ｇ)を円柱形のラックピン(６ｃ)の周面(６ｄ)に係合させた、ことを特徴とするディーゼルエンジンの電子ガバナ。 In the electronic governor of the diesel engine according to claim 1,
The tip surface (3e) of the detection rod (3a) of the rack position detecting means (3) is a V-shaped surface (3g), and this V-shaped surface (3g) is formed on the peripheral surface (6d) of the cylindrical rack pin (6c). An electronic governor of a diesel engine characterized by being engaged.
ラック位置検出手段(３)の検出ロッド(３ａ)の先端面(３ｅ)を円弧面(３ｈ)とし、この円弧面(３ｈ)を円柱形のラックピン(６ｃ)の周面(６ｄ)に沿って係合させた、ことを特徴とするディーゼルエンジンの電子ガバナ。 In the electronic governor of the diesel engine according to claim 1,
The tip surface (3e) of the detection rod (3a) of the rack position detecting means (3) is an arc surface (3h), and this arc surface (3h) is along the peripheral surface (6d) of the cylindrical rack pin (6c). An electronic governor of a diesel engine characterized by being engaged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2009065528A JP5049990B2 (en) | 2009-03-18 | 2009-03-18 | Electronic governor of diesel engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2009065528A JP5049990B2 (en) | 2009-03-18 | 2009-03-18 | Electronic governor of diesel engine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2010216404A true JP2010216404A (en) | 2010-09-30 |
| JP5049990B2 JP5049990B2 (en) | 2012-10-17 |
Family
ID=42975491
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2009065528A Active JP5049990B2 (en) | 2009-03-18 | 2009-03-18 | Electronic governor of diesel engine |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP5049990B2 (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6483848A (en) * | 1987-09-28 | 1989-03-29 | Yanmar Diesel Engine Co | Electronic governor device |
| JP2000238366A (en) * | 1999-02-22 | 2000-09-05 | Murata Mach Ltd | Image forming apparatus |
| JP2000282911A (en) * | 1999-03-30 | 2000-10-10 | Kubota Corp | Fuel control device engine |
| JP2000282896A (en) * | 1999-03-30 | 2000-10-10 | Kubota Corp | Fuel control device of engine |
| JP2001073805A (en) * | 1999-08-31 | 2001-03-21 | Kubota Corp | Fuel control device for engine |
| JP2002089288A (en) * | 2000-09-19 | 2002-03-27 | Kubota Corp | Fuel supply system of diesel engine |
-
2009
- 2009-03-18 JP JP2009065528A patent/JP5049990B2/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6483848A (en) * | 1987-09-28 | 1989-03-29 | Yanmar Diesel Engine Co | Electronic governor device |
| JP2000238366A (en) * | 1999-02-22 | 2000-09-05 | Murata Mach Ltd | Image forming apparatus |
| JP2000282911A (en) * | 1999-03-30 | 2000-10-10 | Kubota Corp | Fuel control device engine |
| JP2000282896A (en) * | 1999-03-30 | 2000-10-10 | Kubota Corp | Fuel control device of engine |
| JP2001073805A (en) * | 1999-08-31 | 2001-03-21 | Kubota Corp | Fuel control device for engine |
| JP2002089288A (en) * | 2000-09-19 | 2002-03-27 | Kubota Corp | Fuel supply system of diesel engine |
Also Published As
| Publication number | Publication date |
|---|---|
| JP5049990B2 (en) | 2012-10-17 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP2006057626A5 (en) | ||
| JP5167339B2 (en) | A device that directly measures the effective capacity ratio of a variable compression ratio engine with a piston. | |
| EA200602239A1 (en) | INJECTION DEVICE | |
| US7905136B2 (en) | Method of operating a fuel injector | |
| EP2028356A3 (en) | Fuel injection control device | |
| EP1975394A3 (en) | Combustion control system for internal combustion engine | |
| WO2009037489A3 (en) | Vapour measurement | |
| WO2011026545A3 (en) | Device for adjusting a camshaft of an internal combustion engine | |
| WO2012065569A8 (en) | High-pressure fuel pump | |
| JP5872697B2 (en) | Glow plug with integrated pressure sensor | |
| JP2017057798A (en) | Control device, and fuel injection system | |
| JP5049990B2 (en) | Electronic governor of diesel engine | |
| EP2031219A3 (en) | Fuel injection control apparatus | |
| EP1933021A3 (en) | Fuel injection control apparatus for diesel engine | |
| JP5718829B2 (en) | Abnormality judgment device for fuel supply system | |
| JP5653533B2 (en) | Control device | |
| DE602006003631D1 (en) | Fuel injector of an internal combustion engine | |
| JP6482068B2 (en) | Internal combustion engine state determination device | |
| ATE522717T1 (en) | HIGH PRESSURE INJECTION INJECTOR FOR INTERNAL INTERNAL ENGINES WITH A BUCKET LOAD-INCREASE CONTROL ROD SUPPORT OVER HIGH PRESSURE FUEL | |
| US4098233A (en) | Timing gauge for diesel engines | |
| CN206753740U (en) | A kind of speeder for single cylinder diesel engine with buffer unit | |
| KR101263540B1 (en) | Fuel Injection Device for Diesel Engine | |
| CA3091123C (en) | Method of setting tappet clearance and device therefor | |
| CN104153930B (en) | Gas fuel engine Digital igniter advance/retard mechanism | |
| CN105781748B (en) | Diesel Engine Mechanical formula injection pump cold-booting auxiliary device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| A621 | Written request for application examination |
Free format text: JAPANESE INTERMEDIATE CODE: A621 Effective date: 20110329 |
|
| A977 | Report on retrieval |
Free format text: JAPANESE INTERMEDIATE CODE: A971007 Effective date: 20120703 |
|
| TRDD | Decision of grant or rejection written | ||
| A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 Effective date: 20120717 |
|
| A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 |
|
| A61 | First payment of annual fees (during grant procedure) |
Free format text: JAPANESE INTERMEDIATE CODE: A61 Effective date: 20120723 |
|
| FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20150727 Year of fee payment: 3 |
|
| R150 | Certificate of patent or registration of utility model |
Ref document number: 5049990 Country of ref document: JP Free format text: JAPANESE INTERMEDIATE CODE: R150 Free format text: JAPANESE INTERMEDIATE CODE: R150 |