JP2009168026A - 点火用流体燃料噴射装置のための検査方法 - Google Patents
点火用流体燃料噴射装置のための検査方法 Download PDFInfo
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Abstract
【解決手段】点火用流体燃料噴射装置のための検査方法に関し、多燃料機関の駆動段階の間、点火用流体燃料噴射装置の噴射時間が変えられる。噴射時間の変化によって、シリンダーの燃焼室には、より多くの点火用流体燃料あるいはより少ない点火用流体燃料がもたらされ、当該シリンダーの排ガス温度の平均値mは上昇あるいは下降する。当該方法により、液体燃料駆動の際に正しく機能していない点火用流体燃料噴射装置を見分けることが可能となる。
【選択図】図2
Description
a)液体燃料駆動において多燃料機関を駆動させ、少なくとも1つの点火用流体燃料噴射装置が、当該多燃料機関のシリンダーの燃焼室に点火用流体燃料を噴射するステップと、
b)1つあるいは複数の点火用流体燃料噴射装置の噴射時間および/または噴射量を変えるステップと、
c)点火用流体燃料噴射装置の噴射時間および/または噴射量を変化させている間に測定装置によって検出された、排ガス温度の値を分析するステップ。
3 シリンダーヘッド
4 ピストン
5 コネクティングロッド
6 燃料噴射装置
7 燃料供給管
8 燃料ポンプ
9 第1燃焼室
11 第2燃焼室
12 接続通路
13 点火用流体燃料噴射装置
14 点火用流体燃料供給管
16 点火用流体燃料ポンプ
17 吸気弁
18 排気弁
20 混合気製造装置
21 ガス供給管
25 分析装置
26 温度センサー
Claims (18)
- 多燃料機関の点火用流体燃料噴射装置のための検査方法であって、前記多燃料機関は、
液体燃料をシリンダー(2)の第1燃焼室(9)に供給するための第1供給装置(10)と、
ガス状燃料を前記シリンダー(2)の前記第1燃焼室(9)に供給するための第2供給装置(19)と、
点火用流体燃料を前記第1燃焼室(9)あるいは該第1燃焼室(9)と連通する第2燃焼室(11)に供給するための、少なくとも1つの点火用流体燃料噴射装置(13)を有する第3供給装置(15)と、
前記多燃料機関の排ガス温度値を検出するための測定装置(26)と、
該測定装置(26)によって検出された排ガス温度値を分析するための分析装置(25)と、
を有しており、
前記検査方法は、
a)液体燃料駆動において前記多燃料機関を駆動させ、少なくとも1つの前記点火用流体燃料噴射装置(13)が、前記第1あるいは第2燃焼室(9,11)に点火用流体燃料を噴射するステップと、
b)1つあるいは複数の前記点火用流体燃料噴射装置(13)の噴射時間および/または噴射量を変えるステップと、
c)前記点火用流体燃料噴射装置(13)の噴射時間および/または噴射量を変化させている間に前記測定装置(26)によって検出された、排ガス温度値を分析するステップと、
を備えている、多燃料機関の点火用流体燃料噴射装置のための検査方法。 - 前記多燃料機関が、検査方法の実施の間、低負荷もしくは部分負荷の領域で駆動されることを特徴とする請求項1に記載の多燃料機関の点火用流体燃料噴射装置のための検査方法。
- 前記多燃料機関が、定格負荷の5から25%の領域で駆動されることを特徴とする請求項2に記載の多燃料機関の点火用流体燃料噴射装置のための検査方法。
- 前記多燃料機関が、ディーゼルサイクルにしたがって、液体燃料駆動で作動することを特徴とする請求項1から請求項3のいずれか一項に記載の多燃料機関の点火用流体燃料噴射装置のための検査方法。
- 液体燃料駆動における燃料としてディーゼル燃料が使用されることを特徴とする請求項1から請求項4のいずれか一項に記載の多燃料機関の点火用流体燃料噴射装置のための検査方法。
- ガス駆動のための点火用流体燃料として、液体燃料駆動のための燃料が使用されることを特徴とする請求項1から請求項5のいずれか一項に記載の多燃料機関の点火用流体燃料噴射装置のための検査方法。
- 前記第2燃焼室(11)が、前記第1燃焼室(9)の予燃焼室として形成され、かつ該第1燃焼室(9)に連結されていることを特徴とする請求項1から請求項6のいずれか一項に記載の多燃料機関の点火用流体燃料噴射装置のための検査方法。
- 点火用流体燃料を前記第1燃焼室(9)に供給するための前記第3供給装置の前記点火用流体燃料噴射装置(13)が、前記第1供給装置の燃料噴射装置(6)と一体的に形成されていることを特徴とする請求項1から請求項7のいずれか一項に記載の多燃料機関の点火用流体燃料噴射装置のための検査方法。
- 前記測定装置(26)が、前記多燃料機関の個々のシリンダーの排ガス温度値を検出することを特徴とする請求項1から請求項8のいずれか一項に記載の多燃料機関の点火用流体燃料噴射装置のための検査方法。
- 前記測定装置(26)が、シリンダーのほんの数ストローク後にすでに排ガス温度の変化を検出することを特徴とする請求項1から請求項9のいずれか一項に記載の多燃料機関の点火用流体燃料噴射装置のための検査方法。
- 前記ステップb)において噴射時間が延長され、その結果より多くの点火用流体燃料が前記燃焼室(9,11)にもたらされることを特徴とする請求項1から請求項10のいずれか一項に記載の多燃料機関の点火用流体燃料噴射装置のための検査方法。
- 噴射開始を早め、および/あるいは噴射終了を遅らせることを特徴とする請求項11に記載の多燃料機関の点火用流体燃料噴射装置のための検査方法。
- 前記ステップb)において噴射時間が短縮され、その結果より少ない点火用流体燃料が前記燃焼室(9,11)にもたらされることを特徴とする請求項1から請求項10のいずれか一項に記載の多燃料機関の点火用流体燃料噴射装置のための検査方法。
- 噴射開始を遅らせ、および/あるいは噴射終了を早めることを特徴とする請求項13に記載の多燃料機関の点火用流体燃料噴射装置のための検査方法。
- 前記点火用流体燃料噴射装置(13)の噴射時間が、あらかじめ設定された検査サイクルに応じて変えられることを特徴とする請求項1から請求項14のいずれか一項に記載の多燃料機関の点火用流体燃料噴射装置のための検査方法。
- ステップb)において、噴射される点火用流体燃料の量が、前記点火用流体燃料噴射装置(13)を通る体積流量を変化させることによって変えられ、その結果より多くの点火用流体燃料あるいはより少ない点火用流体燃料が前記燃焼室(9,11)にもたらされることを特徴とする請求項1から請求項10のいずれか一項に記載の多燃料機関の点火用流体燃料噴射装置のための検査方法。
- 前記点火用流体燃料噴射装置(13)の体積流量が、あらかじめ設定された検査サイクルに応じて変えられることを特徴とする請求項16に記載の多燃料機関の点火用流体燃料噴射装置のための検査方法。
- 個々の前記点火用流体燃料噴射装置(13)が、次々に連続して検査されることを特徴とする請求項1から請求項17のいずれか一項に記載の多燃料機関の点火用流体燃料噴射装置のための検査方法。
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WO2013080935A1 (ja) * | 2011-11-30 | 2013-06-06 | 愛三工業 株式会社 | バイフューエル内燃機関の燃料供給制御装置、及びバイフューエル内燃機関における燃料の切換え方法 |
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FI20105668A0 (fi) * | 2010-06-11 | 2010-06-11 | Waertsilae Finland Oy | Polttomoottorin ohjaus |
DE102011010508B4 (de) * | 2011-02-07 | 2016-10-27 | Audi Ag | Verfahren und Vorrichtung zur Erkennung der Kraftstoffqualität in einem Kraftstofftank einer Brennkraftmaschine |
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JP5993293B2 (ja) | 2012-12-03 | 2016-09-14 | ボルボトラックコーポレーション | 異常診断装置 |
US8925518B1 (en) * | 2014-03-17 | 2015-01-06 | Woodward, Inc. | Use of prechambers with dual fuel source engines |
EP3198128B1 (en) * | 2014-09-24 | 2018-06-27 | Wärtsilä Finland Oy | Method for starting up a dual fuel engine |
DE102015203415B4 (de) | 2015-02-26 | 2020-11-26 | Schaeffler Technologies AG & Co. KG | Verfahren zur Simulation extremer oder defekter Magnetventile zur Demonstration der Ausfalleffekte und Fehlererkennung für die Zertifizierung eines Fahrzeug-Diagnose-Systems |
DE102015003012A1 (de) * | 2015-03-06 | 2016-09-08 | Man Diesel & Turbo Se | Verfahren und Steuerungseinrichtung zur Funktionsüberprüfung von Zündfluid-Injektoren |
KR102110626B1 (ko) * | 2015-12-18 | 2020-05-14 | 한국조선해양 주식회사 | 이원 연료 엔진의 저부하 운전 시스템 및 이를 이용한 저부하 운전 방법 |
EP3279453B1 (en) * | 2016-08-05 | 2019-09-18 | Caterpillar Motoren GmbH & Co. KG | Method for testing an ignition device of an internal combustion engine |
JP6625950B2 (ja) * | 2016-09-05 | 2019-12-25 | ヤンマー株式会社 | エンジン装置 |
DE102017215774B3 (de) | 2017-09-07 | 2019-01-24 | Man Diesel & Turbo Se | Dual-Fuel-Motor und Verfahren zur Funktionsüberprüfung eines Dual-Fuel-Motors |
GB2569799B (en) * | 2017-12-22 | 2020-10-07 | Caterpillar Motoren Gmbh & Co | Method for starting a gaseous fuel combustion engine |
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