JP4257420B2 - 内燃機関用レーザー式多点着火装置 - Google Patents
内燃機関用レーザー式多点着火装置 Download PDFInfo
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- JP4257420B2 JP4257420B2 JP2003390280A JP2003390280A JP4257420B2 JP 4257420 B2 JP4257420 B2 JP 4257420B2 JP 2003390280 A JP2003390280 A JP 2003390280A JP 2003390280 A JP2003390280 A JP 2003390280A JP 4257420 B2 JP4257420 B2 JP 4257420B2
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- Prior art keywords
- laser
- ignition
- combustion chamber
- lens
- internal combustion
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- 238000002485 combustion reaction Methods 0.000 title claims description 69
- 239000000446 fuel Substances 0.000 claims description 41
- 230000003287 optical effect Effects 0.000 claims description 14
- 230000004907 flux Effects 0.000 claims description 8
- 230000015556 catabolic process Effects 0.000 description 9
- 238000002347 injection Methods 0.000 description 7
- 239000007924 injection Substances 0.000 description 7
- 239000013307 optical fiber Substances 0.000 description 5
- 230000007423 decrease Effects 0.000 description 4
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 description 3
- 230000006835 compression Effects 0.000 description 3
- 238000007906 compression Methods 0.000 description 3
- 239000003063 flame retardant Substances 0.000 description 3
- 239000005357 flat glass Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000009792 diffusion process Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 238000005507 spraying Methods 0.000 description 2
- 238000007796 conventional method Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000001678 irradiating effect Effects 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 239000010453 quartz Substances 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
Images
Description
2 シリンダ
3 ピストン
4 シリンダヘッド
5 燃焼室
6 吸気弁
7 給気ポート
8 排気弁
9 排気ポート
10 燃料噴射弁
11 レーザー式多点着火装置
12 レーザー発生源
13 光ファイバー
15 本体
16 レーザー照射筒体
17 底壁
18 エキスパンダレンズ
19 レーザー照射部
20 集光レンズ
21 コリメートレンズ
23 レーザー入射用窓
24 マイクロレンズ
25 噴霧燃料
Claims (3)
- 内燃機関の燃焼室壁に取り付ける本体と、
導入するレーザー光の光束を拡径するエキスパンダーレンズと、
前記エキスパンダーレンズからのレーザー光束を所定の径に調節する集光レンズと、
前記集光レンズからのレーザー光束を略平行光線にするコリメートレンズと、
前記コリメートレンズからの光束を複数の光束に分割して各々燃焼室内で焦点を結ばせる複数のマイクロレンズを備えたマイクロレンズアレイと、
燃焼室内と本体内とを分離するレーザー入射用窓とを備え、
前記レーザー光の照射により燃焼室内の燃料に対して複数点で着火させることを特徴とする内燃機関用多点着火装置。 - 前記集光レンズを光軸線方向に移動する手段を備え、前記移動により着火作用を行わせるマイクロレンズを選択することを特徴とする請求項1記載の内燃機関用多点着火装置。
- 前記マイクロレンズアレイを光軸線方向に移動する手段を備え、前記移動により燃焼室内の着火点を変更することを特徴とする請求項1記載の内燃機関用多点着火装置。
Priority Applications (1)
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JP2003390280A JP4257420B2 (ja) | 2003-11-20 | 2003-11-20 | 内燃機関用レーザー式多点着火装置 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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JP2003390280A JP4257420B2 (ja) | 2003-11-20 | 2003-11-20 | 内燃機関用レーザー式多点着火装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2005147109A JP2005147109A (ja) | 2005-06-09 |
JP4257420B2 true JP4257420B2 (ja) | 2009-04-22 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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JP2003390280A Expired - Lifetime JP4257420B2 (ja) | 2003-11-20 | 2003-11-20 | 内燃機関用レーザー式多点着火装置 |
Country Status (1)
Country | Link |
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JP (1) | JP4257420B2 (ja) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103982303A (zh) * | 2014-05-30 | 2014-08-13 | 哈尔滨工业大学 | 一种基于微透镜阵列实现可燃气体多点激光等离子体点火的方法及装置 |
CN104538824A (zh) * | 2015-01-15 | 2015-04-22 | 哈尔滨工业大学 | 一种利用微透镜阵列实现多光束脉冲激光输出的装置及方法 |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102005056520A1 (de) * | 2005-11-28 | 2007-05-31 | Robert Bosch Gmbh | Brennkraftmaschine sowie Verfahren zum Betreiben einer Brennkraftmaschine mittels Laserzündeinrichtung |
JP4942403B2 (ja) * | 2006-06-20 | 2012-05-30 | 川崎重工業株式会社 | レーザー着火装置およびレーザー着火式エンジン |
JP5019931B2 (ja) * | 2007-04-05 | 2012-09-05 | 川崎重工業株式会社 | 多点出力レーザ装置 |
JP4911325B2 (ja) * | 2008-12-11 | 2012-04-04 | 三菱自動車工業株式会社 | エンジンの燃焼制御装置 |
US8616006B2 (en) | 2010-11-30 | 2013-12-31 | General Electric Company | Advanced optics and optical access for laser ignition for gas turbines including aircraft engines |
JP2011140957A (ja) * | 2011-04-14 | 2011-07-21 | Kawasaki Heavy Ind Ltd | レーザ多点着火装置 |
CN104991347A (zh) * | 2015-07-16 | 2015-10-21 | 哈尔滨工业大学 | 基于微透镜阵列的激光整形照明器 |
WO2018176018A1 (en) * | 2017-03-24 | 2018-09-27 | Gryphon Diesel Engines, LLC | Internal combustion engines, systems, devices, and methods for propulsion and power applications |
CN108443044B (zh) * | 2018-05-10 | 2023-11-24 | 浙江大学 | 一种发动机用激光点火装置及其方法 |
CN111720854B (zh) * | 2020-06-24 | 2021-08-10 | 南京唐模电气科技有限公司 | 非接触式电子激光点火器 |
-
2003
- 2003-11-20 JP JP2003390280A patent/JP4257420B2/ja not_active Expired - Lifetime
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103982303A (zh) * | 2014-05-30 | 2014-08-13 | 哈尔滨工业大学 | 一种基于微透镜阵列实现可燃气体多点激光等离子体点火的方法及装置 |
CN104538824A (zh) * | 2015-01-15 | 2015-04-22 | 哈尔滨工业大学 | 一种利用微透镜阵列实现多光束脉冲激光输出的装置及方法 |
Also Published As
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JP2005147109A (ja) | 2005-06-09 |
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