JP2013113256A - ガスエンジンの副室ガス供給装置 - Google Patents
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- 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
- F02M61/04—Fuel-injectors not provided for in groups F02M39/00 - F02M57/00 or F02M67/00 having valves, e.g. having a plurality of valves in series
- F02M61/042—The valves being provided with fuel passages
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
- F02B19/00—Engines characterised by precombustion chambers
- F02B19/12—Engines characterised by precombustion chambers with positive ignition
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
- F02B19/00—Engines characterised by precombustion chambers
- F02B19/10—Engines characterised by precombustion chambers with fuel introduced partly into pre-combustion chamber, and partly into cylinder
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
- F02B19/00—Engines characterised by precombustion chambers
- F02B19/10—Engines characterised by precombustion chambers with fuel introduced partly into pre-combustion chamber, and partly into cylinder
- F02B19/1019—Engines characterised by precombustion chambers with fuel introduced partly into pre-combustion chamber, and partly into cylinder with only one pre-combustion chamber
- F02B19/108—Engines characterised by precombustion chambers with fuel introduced partly into pre-combustion chamber, and partly into cylinder with only one pre-combustion chamber with fuel injection at least into pre-combustion chamber, i.e. injector mounted directly in the pre-combustion chamber
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
- F02B43/00—Engines characterised by operating on gaseous fuels; Plants including such engines
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- 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
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- 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
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- 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
- F02M21/023—Valves; Pressure or flow regulators in the fuel supply or return system
- F02M21/0239—Pressure or flow regulators therefor
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- 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
- F02M21/0269—Outwardly opening valves, e.g. poppet valves
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- 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
- F02M21/0275—Injectors for in-cylinder direct injection, e.g. injector combined with spark plug
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/02—Actuating devices; Operating means; Releasing devices electric; magnetic
- F16K31/06—Actuating devices; Operating means; Releasing devices electric; magnetic using a magnet, e.g. diaphragm valves, cutting off by means of a liquid
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
- F02B1/00—Engines characterised by fuel-air mixture compression
- F02B1/02—Engines characterised by fuel-air mixture compression with positive ignition
- F02B1/04—Engines characterised by fuel-air mixture compression with positive ignition with fuel-air mixture admission into cylinder
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
- F02B2275/00—Other engines, components or details, not provided for in other groups of this subclass
- F02B2275/22—Side valves
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
- F02B2275/00—Other engines, components or details, not provided for in other groups of this subclass
- F02B2275/34—Lateral camshaft position
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
- F02B23/00—Other engines characterised by special shape or construction of combustion chambers to improve operation
- F02B23/08—Other engines characterised by special shape or construction of combustion chambers to improve operation with positive ignition
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02F—CYLINDERS, PISTONS OR CASINGS, FOR COMBUSTION ENGINES; ARRANGEMENTS OF SEALINGS IN COMBUSTION ENGINES
- F02F1/00—Cylinders; Cylinder heads
- F02F1/24—Cylinder heads
- F02F2001/244—Arrangement of valve stems in cylinder heads
- F02F2001/245—Arrangement of valve stems in cylinder heads the valve stems being orientated at an angle with the cylinder axis
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- 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
- Y02T10/12—Improving ICE efficiencies
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- 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
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- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Combustion & Propulsion (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Output Control And Ontrol Of Special Type Engine (AREA)
- Combustion Methods Of Internal-Combustion Engines (AREA)
- Electrical Control Of Air Or Fuel Supplied To Internal-Combustion Engine (AREA)
Abstract
【解決手段】副室(4)に燃料ガスを供給する副室ガス供給路(5、14、28、29)を備え、該副室ガス供給路は電磁弁(23)を介して燃料ガス供給源(24)と接続されており、前記電磁弁が開放されると、電磁弁の開放時間に応じた量の燃料ガスが、前記燃料ガス供給源から副室ガス供給路を通って副室へと供給されるように構成されたガスエンジンの副室ガス供給装置において、電磁弁(23)は、副室(4)に所定量の燃料ガスが供給されるようにその開放時間が設定されており、副室ガス供給路(5、14、28、29)には、電磁弁(23)の開放時間を延長せしめる絞り部(30)が形成されている。
【選択図】図1
Description
本発明のガスエンジンの副室ガス供給装置は、
ピストンとシリンダヘッドとの間に画定される主室と、該主室と噴孔を介して連通される副室と、該副室に燃料ガスを供給する副室ガス供給路と、を備え、
前記副室ガス供給路は電磁弁を介して燃料ガス供給源と接続されており、該電磁弁が開放されると、電磁弁の開放時間に応じた量の燃料ガスが、前記燃料ガス供給源から副室ガス供給路を通って副室へと供給されるように構成されたガスエンジンの副室ガス供給装置において、
前記電磁弁は、前記副室に所定量の燃料ガスが供給されるようにその開放時間が設定されており、前記副室ガス供給路には、前記電磁弁の開放時間を延長せしめる絞り部が形成されていることを特徴とする。
本発明をこのように構成することで、簡単な構成で、副室ガス供給路に絞り部を形成することができる。また、このようなオリフィスによる絞り部は、既存のガスエンジンの副室ガス供給装置に対して、後付けで簡単に形成することができるため、既存のガスエンジンの副室ガス供給装置の構成を大きく変更することなく、絞り部を形成することが可能となる。
このように、流量係数が0.05〜0.3の範囲の逆止弁を副室ガス供給路に設置することで、副室ガス供給路に設置する逆止弁を絞り部として構成することができる。なお、本発明において絞り部とは、上述したように、燃料ガスの単位時間当たりの供給量を減少させることで、電磁弁の開放時間を延長せしめるものである。よって、流量係数の大きい逆止弁(流量係数が0.3以上)は本発明でいうところの絞り部には含まれないものとする。
ただし、本発明の範囲は以下の実施形態に限定されるものではない。以下の実施形態に記載されている構成部品の寸法、材質、形状、その相対配置などは、特に記載がない限り、本発明の範囲をそれにのみ限定する趣旨ではなく、単なる説明例に過ぎない。
図1は、第1の実施形態の副室ガス供給装置を備えたガスエンジンの副室周りの断面図である。まず、図1を参照して、第1の実施形態のガスエンジンの副室ガス供給装置の全体構成について説明する。
次に、本発明の第2の実施形態について、図4を基に説明する。図4は、第2の実施形態の副室ガス供給装置を備えたガスエンジンの副室周りの断面図である。なお、この第2の実施形態は、上述した第1の実施形態と基本的には同様の構成になっており、同一の構成部材には同一の符号を付し、その詳細な説明を省略する。
Cv=Q×√(G/ΔP/2)/A ・・・ (1)
(ここに、Qは流量、Gは流体の比重、ΔPは弁前後の差圧、Aは断面積である)
また、第2の逆止弁22´として、流量係数が0.05〜0.3の範囲の逆止弁を副室ガス供給路に設置することで、第2の逆止弁22´を絞り部30として構成することができる。
1a 水室
2 副室口金
3 噴孔
4 副室
5 連絡孔(副室ガス供給路)
6 第1の逆止弁
6s 逆止弁挿入孔
9 逆止弁ホルダ
10 点火プラグ
11a ボアクール横孔
11s ボアクール冷却孔
12 押え金具
14 燃料入口通路(副室ガス供給路)
14a 燃料入口コネクタ
14s 燃料ガス入口部
22 第2の逆止弁
23 副室電磁弁(電磁弁)
24 燃料ガス供給源、
28 逆止弁上方室(副室ガス供給路)
29 逆止弁下方室(副室ガス供給路)
30 絞り部
30a オリフィス
60 主室
Claims (3)
- ピストンとシリンダヘッドとの間に画定される主室と、該主室と噴孔を介して連通される副室と、該副室に燃料ガスを供給する副室ガス供給路と、を備え、
前記副室ガス供給路は電磁弁を介して燃料ガス供給源と接続されており、該電磁弁が開放されると、電磁弁の開放時間に応じた量の燃料ガスが、前記燃料ガス供給源から副室ガス供給路を通って副室へと供給されるように構成されたガスエンジンの副室ガス供給装置において、
前記電磁弁は、前記副室に所定量の燃料ガスが供給されるようにその開放時間が設定されており、前記副室ガス供給路には、前記電磁弁の開放時間を延長せしめる絞り部が形成されていることを特徴とするガスエンジンの副室ガス供給装置。 - 前記絞り部が、前記副室ガス供給路に形成されたオリフィスであることを特徴とする請求項1に記載のガスエンジンの副室ガス供給装置。
- 前記絞り部が、副室ガス供給路に設置された逆止弁を含み、該逆止弁の流量係数が0.05〜0.3の範囲であることを特徴とする請求項1または2に記載のガスエンジンの副室ガス供給装置。
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Application Number | Priority Date | Filing Date | Title |
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JP2011261846A JP5562927B2 (ja) | 2011-11-30 | 2011-11-30 | ガスエンジンの副室ガス供給装置 |
KR1020167014528A KR101746360B1 (ko) | 2011-11-30 | 2012-11-19 | 가스 엔진의 부실 가스 공급 장치 |
CN201280057286.6A CN104136732B (zh) | 2011-11-30 | 2012-11-19 | 燃气发动机的副室气体供给装置 |
EP12854267.7A EP2787192A4 (en) | 2011-11-30 | 2012-11-19 | AUXILIARY CHAMBER DELIVERY DEVICE FOR GAS ENGINE |
US14/360,882 US9581119B2 (en) | 2011-11-30 | 2012-11-19 | Auxiliary chamber gas supplying device for gas engine |
KR1020147013284A KR20140070669A (ko) | 2011-11-30 | 2012-11-19 | 가스 엔진의 부실 가스 공급 장치 |
PCT/JP2012/079975 WO2013080829A1 (ja) | 2011-11-30 | 2012-11-19 | ガスエンジンの副室ガス供給装置 |
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JP2011261846A JP5562927B2 (ja) | 2011-11-30 | 2011-11-30 | ガスエンジンの副室ガス供給装置 |
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JP2013113256A true JP2013113256A (ja) | 2013-06-10 |
JP5562927B2 JP5562927B2 (ja) | 2014-07-30 |
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EP (1) | EP2787192A4 (ja) |
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KR (2) | KR20140070669A (ja) |
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Cited By (3)
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JP2016121680A (ja) * | 2014-12-15 | 2016-07-07 | ゲーエー ジェンバッハー ゲーエムベーハー アンド コー オーゲー | 内燃エンジン |
JP2016136020A (ja) * | 2015-01-23 | 2016-07-28 | ゲーエー ジェンバッハー ゲーエムベーハー アンド コー オーゲー | 内燃エンジン |
US10519848B2 (en) | 2016-01-21 | 2019-12-31 | Mitsubishi Heavy Industries Engine & Turbocharger, Ltd. | Precombustion-chamber type gas engine and operation control method of same |
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JP2015117582A (ja) * | 2013-12-16 | 2015-06-25 | 三菱重工業株式会社 | ガスエンジン、およびガスエンジンの組立方法 |
EP3012431B1 (en) * | 2014-10-21 | 2017-11-22 | Caterpillar Energy Solutions GmbH | Pre-combustion chamber assembly for internal combustion engines |
DK3015679T3 (en) * | 2014-10-31 | 2019-03-11 | Winterthur Gas & Diesel Ag | Cylinder for a piston combustion engine, piston combustion engine and method for operating a piston combustion engine |
KR102062999B1 (ko) * | 2015-10-13 | 2020-01-06 | 바르실라 핀랜드 오이 | 프리챔버 배열체 |
DE102016107669B4 (de) * | 2016-04-26 | 2018-08-16 | L'orange Gmbh | Vorkammer-Zündkerzenanordnung |
NO344301B1 (no) * | 2018-09-20 | 2019-10-28 | Bergen Engines As | Et gasstilførselssystem for en gassmotor |
CA3123305C (en) * | 2018-12-21 | 2023-09-26 | Innio Jenbacher Gmbh & Co Og | Cylinder head for an internal combustion engine |
AT16719U1 (de) * | 2018-12-21 | 2020-07-15 | Innio Jenbacher Gmbh & Co Og | Zylinderkopf für eine Brennkraftmaschine |
GB2581398B (en) | 2019-02-18 | 2021-03-31 | Caterpillar Energy Solutions Gmbh | Seal and method for a fuel gas supply to a pre-combustion chamber |
CN115075987B (zh) * | 2021-03-10 | 2024-02-23 | 广州汽车集团股份有限公司 | 一种预燃室燃料气化混合系统 |
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US6994308B1 (en) * | 2004-08-25 | 2006-02-07 | Wei-Ching Wang | In-tube solenoid gas valve |
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CN2908805Y (zh) * | 2006-04-18 | 2007-06-06 | 汤洪辉 | 燃气内燃机预燃室及其供气装置 |
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JP5167108B2 (ja) | 2008-12-24 | 2013-03-21 | 三菱重工業株式会社 | 点火プラグを備えたガスエンジン |
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JP2011149308A (ja) | 2010-01-20 | 2011-08-04 | Mitsubishi Heavy Ind Ltd | ガスエンジンの副室ガス供給装置 |
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JPH0524922U (ja) * | 1991-05-01 | 1993-04-02 | 神鋼造機株式会社 | ガスエンジンの副燃焼室空燃比制御装置 |
JP2000320369A (ja) * | 1999-05-10 | 2000-11-21 | Mitsubishi Heavy Ind Ltd | 副室式ガスエンジンの副室燃料ガス供給量制御装置及び同制御装置を備えた副室式ガスエンジン |
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JP2016121680A (ja) * | 2014-12-15 | 2016-07-07 | ゲーエー ジェンバッハー ゲーエムベーハー アンド コー オーゲー | 内燃エンジン |
US10753273B2 (en) | 2014-12-15 | 2020-08-25 | Innio Jenbacher Gmbh & Co Og | Internal combustion engine |
JP2016136020A (ja) * | 2015-01-23 | 2016-07-28 | ゲーエー ジェンバッハー ゲーエムベーハー アンド コー オーゲー | 内燃エンジン |
US10519848B2 (en) | 2016-01-21 | 2019-12-31 | Mitsubishi Heavy Industries Engine & Turbocharger, Ltd. | Precombustion-chamber type gas engine and operation control method of same |
Also Published As
Publication number | Publication date |
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CN104136732A (zh) | 2014-11-05 |
CN104136732B (zh) | 2016-10-12 |
KR20160075777A (ko) | 2016-06-29 |
KR20140070669A (ko) | 2014-06-10 |
JP5562927B2 (ja) | 2014-07-30 |
WO2013080829A1 (ja) | 2013-06-06 |
US20150028239A1 (en) | 2015-01-29 |
EP2787192A1 (en) | 2014-10-08 |
US9581119B2 (en) | 2017-02-28 |
KR101746360B1 (ko) | 2017-06-12 |
EP2787192A4 (en) | 2015-08-05 |
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