JP4283255B2 - ガス燃料用噴射弁 - Google Patents
ガス燃料用噴射弁 Download PDFInfo
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- JP4283255B2 JP4283255B2 JP2005227115A JP2005227115A JP4283255B2 JP 4283255 B2 JP4283255 B2 JP 4283255B2 JP 2005227115 A JP2005227115 A JP 2005227115A JP 2005227115 A JP2005227115 A JP 2005227115A JP 4283255 B2 JP4283255 B2 JP 4283255B2
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- Prior art keywords
- valve
- gas fuel
- valve body
- injection valve
- valve seat
- 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.)
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- 239000000446 fuel Substances 0.000 title claims description 43
- 238000002347 injection Methods 0.000 title claims description 32
- 239000007924 injection Substances 0.000 title claims description 32
- 230000002093 peripheral effect Effects 0.000 claims description 22
- 239000011248 coating agent Substances 0.000 claims description 20
- 238000000576 coating method Methods 0.000 claims description 20
- 239000002184 metal Substances 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 239000003921 oil Substances 0.000 description 32
- 239000007789 gas Substances 0.000 description 22
- 230000004044 response Effects 0.000 description 11
- 230000000694 effects Effects 0.000 description 7
- 238000004519 manufacturing process Methods 0.000 description 5
- 239000002828 fuel tank Substances 0.000 description 4
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 4
- 235000014443 Pyrus communis Nutrition 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000004043 responsiveness Effects 0.000 description 3
- 238000002485 combustion reaction Methods 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 239000000696 magnetic material Substances 0.000 description 2
- 239000003345 natural gas Substances 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 230000002940 repellent Effects 0.000 description 2
- 239000005871 repellent Substances 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 239000010687 lubricating oil Substances 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 229920003002 synthetic resin Polymers 0.000 description 1
- 239000000057 synthetic resin Substances 0.000 description 1
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M21/00—Apparatus for supplying engines with non-liquid fuels, e.g. gaseous fuels stored in liquid form
- F02M21/02—Apparatus for supplying engines with non-liquid fuels, e.g. gaseous fuels stored in liquid form for gaseous fuels
- F02M21/0218—Details on the gaseous fuel supply system, e.g. tanks, valves, pipes, pumps, rails, injectors or mixers
- F02M21/0248—Injectors
- F02M21/0257—Details of the valve closing elements, e.g. valve seats, stems or arrangement of flow passages
- F02M21/026—Lift valves, i.e. stem operated valves
- F02M21/0263—Inwardly opening single or multi nozzle valves, e.g. needle valves
- F02M21/0266—Hollow stem valves; Piston valves; Stems having a spherical tip
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M21/00—Apparatus for supplying engines with non-liquid fuels, e.g. gaseous fuels stored in liquid form
- F02M21/02—Apparatus for supplying engines with non-liquid fuels, e.g. gaseous fuels stored in liquid form for gaseous fuels
- F02M21/0218—Details on the gaseous fuel supply system, e.g. tanks, valves, pipes, pumps, rails, injectors or mixers
- F02M21/0248—Injectors
- F02M21/0251—Details of actuators therefor
- F02M21/0254—Electric actuators, e.g. solenoid or piezoelectric
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M21/00—Apparatus for supplying engines with non-liquid fuels, e.g. gaseous fuels stored in liquid form
- F02M21/02—Apparatus for supplying engines with non-liquid fuels, e.g. gaseous fuels stored in liquid form for gaseous fuels
- F02M21/0218—Details on the gaseous fuel supply system, e.g. tanks, valves, pipes, pumps, rails, injectors or mixers
- F02M21/0248—Injectors
- F02M21/0281—Adapters, sockets or the like to mount injection valves onto engines; Fuel guiding passages between injectors and the air intake system or the combustion chamber
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D19/00—Controlling engines characterised by their use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures
- F02D19/02—Controlling engines characterised by their use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures peculiar to engines working with gaseous fuels
- F02D19/021—Control of components of the fuel supply system
- F02D19/023—Control of components of the fuel supply system to adjust the fuel mass or volume flow
- F02D19/024—Control of components of the fuel supply system to adjust the fuel mass or volume flow by controlling fuel injectors
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M2200/00—Details of fuel-injection apparatus, not otherwise provided for
- F02M2200/90—Selection of particular materials
- F02M2200/9038—Coatings
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M51/00—Fuel-injection apparatus characterised by being operated electrically
- F02M51/06—Injectors peculiar thereto with means directly operating the valve needle
- F02M51/061—Injectors peculiar thereto with means directly operating the valve needle using electromagnetic operating means
- F02M51/0625—Injectors peculiar thereto with means directly operating the valve needle using electromagnetic operating means characterised by arrangement of mobile armatures
- F02M51/0664—Injectors peculiar thereto with means directly operating the valve needle using electromagnetic operating means characterised by arrangement of mobile armatures having a cylindrically or partly cylindrically shaped armature, e.g. entering the winding; having a plate-shaped or undulated armature entering the winding
- F02M51/0671—Injectors peculiar thereto with means directly operating the valve needle using electromagnetic operating means characterised by arrangement of mobile armatures having a cylindrically or partly cylindrically shaped armature, e.g. entering the winding; having a plate-shaped or undulated armature entering the winding the armature having an elongated valve body attached thereto
- F02M51/0682—Injectors peculiar thereto with means directly operating the valve needle using electromagnetic operating means characterised by arrangement of mobile armatures having a cylindrically or partly cylindrically shaped armature, e.g. entering the winding; having a plate-shaped or undulated armature entering the winding the armature having an elongated valve body attached thereto the body being hollow and its interior communicating with the fuel flow
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M61/00—Fuel-injectors not provided for in groups F02M39/00 - F02M57/00 or F02M67/00
- F02M61/16—Details not provided for in, or of interest apart from, the apparatus of groups F02M61/02 - F02M61/14
- F02M61/166—Selection of particular materials
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M61/00—Fuel-injectors not provided for in groups F02M39/00 - F02M57/00 or F02M67/00
- F02M61/16—Details not provided for in, or of interest apart from, the apparatus of groups F02M61/02 - F02M61/14
- F02M61/18—Injection nozzles, e.g. having valve seats; Details of valve member seated ends, not otherwise provided for
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/30—Use of alternative fuels, e.g. biofuels
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Analytical Chemistry (AREA)
- Fuel-Injection Apparatus (AREA)
Description
2・・・・・弁ハウジング
9・・・・・案内孔
11・・・・ノズル部材
13・・・・弁座
14・・・・ノズル孔
15・・・・弁体
172 ・・・長軸部
181 ,182 ・・・ジャーナル部
20・・・・着座部材
20a・・・梨地面
25・・・・コイル
29・・・・固定コア
33・・・・戻しばね
51・・・・弁座被膜
52・・・・クッション部材
52a・・・梨地面
53・・・・切欠き
58・・・・被膜
60・・・・被膜
Claims (5)
- 弁ハウジング(2)と,この弁ハウジング(2)の一端部に固設され,平坦な弁座(13)及びこの弁座(13)の中心部を貫通するノズル孔(14)を有する金属製のノズル部材(11)と,前記弁ハウジング(2)に摺動自在に嵌装され,一端面に弁座(13)と協働してノズル孔(14)を開閉するゴム製の着座部材(20)を備える弁体(15)と,前記弁ハウジング(2)に支持されるコイル(25)と,前記弁ハウジング(2)に連結されると共に,前記コイル(25)の内側に配置されて前記弁体(15)の他端面に対向する固定コア(29)と,この固定コア(29)及び弁体(15)間に縮設されて弁体(15)を前記弁座(13)側に付勢する戻しばね(33)とから構成され,前記コイル(25)の励起時,固定コア(29)が弁体(15)を吸引して着座部材(20)を弁座(13)から離座させるようにした,ガス燃料用噴射弁において,
前記弁座(13)には,前記着座部材(20)が密接するフッ素樹脂製の弁座被膜(51)を形成し,前記弁体(15)の固定コア(29)との対向面にゴム製で環状のクッション部材(52)を焼き付ける一方,前記固定コア(29)の弁体(15)との対向面には,前記コイル(25)の励起時,前記クッション部材(52)が当接するフッ素樹脂製の被膜(58)を形成したことを特徴とする,ガス燃料用噴射弁。 - 請求項1記載のガス燃料用噴射弁において,
前記クッション部材(52)の固定コア(29)との対向面に,周方向に並ぶ複数の切欠き(53)を形成したことを特徴とする,ガス燃料用噴射弁。 - 請求項1又は2記載のガス燃料用噴射弁において,
前記弁体(15)の着座部材(20)及びクッション部材(52)の表面を梨地面(20a,52a)に形成したことを特徴とする,ガス燃料用噴射弁。 - 請求項1又は2記載のガス燃料用噴射弁において,
前記弁体(15)の軸方向両端部に一対のジャーナル部(181 ,182 )を形成すると共に,これらジャーナル部(181 ,182 )の中間部を,これらより小径の長軸部(172 )に形成する一方,前記ジャーナル部(181 ,182 )を摺動自在に支承する案内孔(9)を前記弁ハウジング(2)に設けたことを特徴とする,ガス燃料用噴射弁。 - 請求項4記載のガス燃料用噴射弁において,
前記第1,第2ジャーナル部(181 ,182 )の外周面及び前記案内孔(9)の内周面の少なくとも一方にフッ素樹脂製の被膜(60)を形成したことを特徴とする,ガス燃料用噴射弁。
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2005227115A JP4283255B2 (ja) | 2005-08-04 | 2005-08-04 | ガス燃料用噴射弁 |
DE602006001613T DE602006001613D1 (de) | 2005-08-04 | 2006-08-01 | Einspritzventil für gasförmigen Brennstoff |
EP06016032A EP1750005B1 (en) | 2005-08-04 | 2006-08-01 | Gaseous fuel injection valve |
US11/498,256 US7735757B2 (en) | 2005-08-04 | 2006-08-03 | Gaseous fuel injection valve |
CNB2006101083740A CN100422543C (zh) | 2005-08-04 | 2006-08-03 | 气体燃料用喷射阀 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2005227115A JP4283255B2 (ja) | 2005-08-04 | 2005-08-04 | ガス燃料用噴射弁 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2007040245A JP2007040245A (ja) | 2007-02-15 |
JP4283255B2 true JP4283255B2 (ja) | 2009-06-24 |
Family
ID=36997824
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2005227115A Active JP4283255B2 (ja) | 2005-08-04 | 2005-08-04 | ガス燃料用噴射弁 |
Country Status (5)
Country | Link |
---|---|
US (1) | US7735757B2 (ja) |
EP (1) | EP1750005B1 (ja) |
JP (1) | JP4283255B2 (ja) |
CN (1) | CN100422543C (ja) |
DE (1) | DE602006001613D1 (ja) |
Families Citing this family (29)
Publication number | Priority date | Publication date | Assignee | Title |
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US7641572B2 (en) * | 1997-09-03 | 2010-01-05 | Acushnet Company | Golf ball dimples with a catenary curve profile |
JP2010038110A (ja) * | 2008-08-07 | 2010-02-18 | Keihin Corp | ガス燃料用噴射弁 |
WO2010113645A1 (ja) * | 2009-03-30 | 2010-10-07 | 株式会社ケーヒン | ガス燃料用噴射弁 |
JP5266124B2 (ja) * | 2009-03-30 | 2013-08-21 | 株式会社ケーヒン | ガス燃料用噴射弁 |
JP5266125B2 (ja) * | 2009-03-30 | 2013-08-21 | 株式会社ケーヒン | ガス燃料用噴射弁 |
US20110186654A1 (en) | 2010-02-02 | 2011-08-04 | Delphi Technologies, Inc. | Valve seat for gaseous fuel injector |
CN101907044A (zh) * | 2010-06-04 | 2010-12-08 | 陆国祥 | 车用高速燃气喷射电磁阀 |
JP5661397B2 (ja) * | 2010-09-22 | 2015-01-28 | 株式会社ケーヒン | ガス燃料用噴射弁及びその製造方法 |
JP5618751B2 (ja) | 2010-10-08 | 2014-11-05 | 株式会社ケーヒン | ガス燃料用噴射弁 |
JP5758145B2 (ja) * | 2011-02-16 | 2015-08-05 | 株式会社ケーヒン | ガス燃料用噴射弁 |
JP2012193623A (ja) * | 2011-03-15 | 2012-10-11 | Nikki Co Ltd | 気体燃料用インジェクタ |
JP5482836B2 (ja) * | 2011-09-20 | 2014-05-07 | 株式会社デンソー | 燃料噴射弁及び燃料噴射弁の製造方法 |
JP5819213B2 (ja) | 2012-02-13 | 2015-11-18 | 株式会社ケーヒン | 電磁式燃料噴射弁 |
US20150014448A1 (en) | 2013-07-12 | 2015-01-15 | Delphi Technologies, Inc. | Valve seat for gaseous fuel injector |
EP2860386A1 (en) * | 2013-10-10 | 2015-04-15 | Continental Automotive GmbH | Injector for a combustion engine |
US10047713B2 (en) * | 2013-11-11 | 2018-08-14 | Enplas Corporation | Attachment structure of fuel injection device nozzle plate |
CN104728113B (zh) * | 2013-12-20 | 2018-12-07 | 珠海格力节能环保制冷技术研究中心有限公司 | 涡旋压缩机的变容结构及压缩机 |
CN103742246A (zh) * | 2013-12-23 | 2014-04-23 | 柳州正菱集团有限公司 | 一种汽车发动机节温装置 |
KR101570492B1 (ko) | 2014-07-18 | 2015-11-19 | 한국기계연구원 | 메탄계 가스연료 분사기 |
JP2016108993A (ja) | 2014-12-04 | 2016-06-20 | 愛三工業株式会社 | 燃料供給装置 |
DE102015105591A1 (de) * | 2015-04-13 | 2016-10-13 | Rolf Prettl | Herstellung einer Magnetspule, Magnetspule für einen magnetischen Aktor |
JP6427071B2 (ja) | 2015-06-10 | 2018-11-21 | 愛三工業株式会社 | 燃料供給装置 |
CN105275672B (zh) * | 2015-07-10 | 2017-12-12 | 重庆红江机械有限责任公司 | 发动机用电控燃气喷射阀 |
EP3296554A1 (en) | 2016-09-14 | 2018-03-21 | Global Design Technology - GDTech SA | Inward injector for direct injection of a gaseous fuel |
US10544771B2 (en) * | 2017-06-14 | 2020-01-28 | Caterpillar Inc. | Fuel injector body with counterbore insert |
US11199271B2 (en) * | 2018-10-12 | 2021-12-14 | Flex Ltd. | Compensation of jet forces in a valve with an axial outlet |
CN111482299B (zh) * | 2019-01-25 | 2023-04-07 | 罗伯特·博世有限公司 | 气体喷射装置 |
JP7291585B2 (ja) * | 2019-09-18 | 2023-06-15 | 日立Astemo株式会社 | 燃料噴射弁 |
JP7499205B2 (ja) | 2021-03-22 | 2024-06-13 | 日立Astemo株式会社 | ガス燃料用噴射弁 |
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-
2005
- 2005-08-04 JP JP2005227115A patent/JP4283255B2/ja active Active
-
2006
- 2006-08-01 DE DE602006001613T patent/DE602006001613D1/de active Active
- 2006-08-01 EP EP06016032A patent/EP1750005B1/en not_active Ceased
- 2006-08-03 CN CNB2006101083740A patent/CN100422543C/zh active Active
- 2006-08-03 US US11/498,256 patent/US7735757B2/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
DE602006001613D1 (de) | 2008-08-14 |
US7735757B2 (en) | 2010-06-15 |
US20070029413A1 (en) | 2007-02-08 |
EP1750005A8 (en) | 2007-05-09 |
EP1750005A1 (en) | 2007-02-07 |
CN1908413A (zh) | 2007-02-07 |
CN100422543C (zh) | 2008-10-01 |
EP1750005B1 (en) | 2008-07-02 |
JP2007040245A (ja) | 2007-02-15 |
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