JP2021134788A - 封入特性の向上した燃料ポンプ - Google Patents
封入特性の向上した燃料ポンプ Download PDFInfo
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- 239000000446 fuel Substances 0.000 title claims abstract description 253
- 238000007789 sealing Methods 0.000 title claims abstract description 96
- 239000007788 liquid Substances 0.000 claims abstract description 61
- 239000000565 sealant Substances 0.000 claims description 28
- 230000002000 scavenging effect Effects 0.000 claims description 17
- 238000002485 combustion reaction Methods 0.000 claims description 16
- 239000012530 fluid Substances 0.000 description 10
- 238000002347 injection Methods 0.000 description 9
- 239000007924 injection Substances 0.000 description 9
- 239000003921 oil Substances 0.000 description 7
- 239000007789 gas Substances 0.000 description 6
- 238000001816 cooling Methods 0.000 description 5
- 239000003915 liquefied petroleum gas Substances 0.000 description 5
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 4
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 3
- 239000000295 fuel oil Substances 0.000 description 3
- 239000010763 heavy fuel oil Substances 0.000 description 3
- 238000005086 pumping Methods 0.000 description 3
- 230000001419 dependent effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000002360 explosive Substances 0.000 description 2
- 239000003502 gasoline Substances 0.000 description 2
- 239000003949 liquefied natural gas Substances 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 229910001315 Tool steel Inorganic materials 0.000 description 1
- 230000004323 axial length Effects 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 230000001050 lubricating effect Effects 0.000 description 1
- 239000010687 lubricating oil Substances 0.000 description 1
- 239000010759 marine diesel oil Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000002480 mineral oil Substances 0.000 description 1
- 235000010446 mineral oil Nutrition 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
- 239000003507 refrigerant Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Images
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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
- F02M57/00—Fuel-injectors combined or associated with other devices
- F02M57/02—Injectors structurally combined with fuel-injection pumps
- F02M57/022—Injectors structurally combined with fuel-injection pumps characterised by the pump drive
- F02M57/025—Injectors structurally combined with fuel-injection pumps characterised by the pump drive hydraulic, e.g. with pressure amplification
-
- 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
- F02M37/00—Apparatus or systems for feeding liquid fuel from storage containers to carburettors or fuel-injection apparatus; Arrangements for purifying liquid fuel specially adapted for, or arranged on, internal-combustion engines
- F02M37/04—Feeding by means of driven pumps
- F02M37/043—Arrangements for driving reciprocating piston-type pumps
-
- 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
-
- 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
-
- 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
- F02M37/00—Apparatus or systems for feeding liquid fuel from storage containers to carburettors or fuel-injection apparatus; Arrangements for purifying liquid fuel specially adapted for, or arranged on, internal-combustion engines
-
- 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
- F02M37/00—Apparatus or systems for feeding liquid fuel from storage containers to carburettors or fuel-injection apparatus; Arrangements for purifying liquid fuel specially adapted for, or arranged on, internal-combustion engines
- F02M37/04—Feeding by means of driven pumps
- F02M37/12—Feeding by means of driven pumps fluid-driven, e.g. by compressed combustion-air
-
- 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
- F02M57/00—Fuel-injectors combined or associated with other devices
- F02M57/02—Injectors structurally combined with fuel-injection pumps
- F02M57/022—Injectors structurally combined with fuel-injection pumps characterised by the pump drive
- F02M57/025—Injectors structurally combined with fuel-injection pumps characterised by the pump drive hydraulic, e.g. with pressure amplification
- F02M57/026—Construction details of pressure amplifiers, e.g. fuel passages or check valves arranged in the intensifier piston or head, particular diameter relationships, stop members, arrangement of ports or conduits
-
- 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
- F02M59/00—Pumps specially adapted for fuel-injection and not provided for in groups F02M39/00 -F02M57/00, e.g. rotary cylinder-block type of pumps
- F02M59/02—Pumps specially adapted for fuel-injection and not provided for in groups F02M39/00 -F02M57/00, e.g. rotary cylinder-block type of pumps of reciprocating-piston or reciprocating-cylinder type
-
- 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
- F02M59/00—Pumps specially adapted for fuel-injection and not provided for in groups F02M39/00 -F02M57/00, e.g. rotary cylinder-block type of pumps
- F02M59/02—Pumps specially adapted for fuel-injection and not provided for in groups F02M39/00 -F02M57/00, e.g. rotary cylinder-block type of pumps of reciprocating-piston or reciprocating-cylinder type
- F02M59/025—Pumps specially adapted for fuel-injection and not provided for in groups F02M39/00 -F02M57/00, e.g. rotary cylinder-block type of pumps of reciprocating-piston or reciprocating-cylinder type characterised by a single piston
- F02M59/027—Unit-pumps, i.e. single piston and cylinder pump-units, e.g. for cooperating with a camshaft
-
- 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
- F02M59/00—Pumps specially adapted for fuel-injection and not provided for in groups F02M39/00 -F02M57/00, e.g. rotary cylinder-block type of pumps
- F02M59/02—Pumps specially adapted for fuel-injection and not provided for in groups F02M39/00 -F02M57/00, e.g. rotary cylinder-block type of pumps of reciprocating-piston or reciprocating-cylinder type
- F02M59/10—Pumps specially adapted for fuel-injection and not provided for in groups F02M39/00 -F02M57/00, e.g. rotary cylinder-block type of pumps of reciprocating-piston or reciprocating-cylinder type characterised by the piston-drive
- F02M59/105—Pumps specially adapted for fuel-injection and not provided for in groups F02M39/00 -F02M57/00, e.g. rotary cylinder-block type of pumps of reciprocating-piston or reciprocating-cylinder type characterised by the piston-drive hydraulic drive
-
- 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
- F02M59/00—Pumps specially adapted for fuel-injection and not provided for in groups F02M39/00 -F02M57/00, e.g. rotary cylinder-block type of pumps
- F02M59/44—Details, components parts, or accessories not provided for in, or of interest apart from, the apparatus of groups F02M59/02 - F02M59/42; Pumps having transducers, e.g. to measure displacement of pump rack or piston
- F02M59/442—Details, components parts, or accessories not provided for in, or of interest apart from, the apparatus of groups F02M59/02 - F02M59/42; Pumps having transducers, e.g. to measure displacement of pump rack or piston means preventing fuel leakage around pump plunger, e.g. fluid barriers
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B1/00—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders
- F04B1/04—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders having cylinders in star- or fan-arrangement
- F04B1/0404—Details or component parts
- F04B1/0448—Sealing means, e.g. for shafts or housings
-
- 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
- F02B75/00—Other engines
- F02B75/02—Engines characterised by their cycles, e.g. six-stroke
- F02B2075/022—Engines characterised by their cycles, e.g. six-stroke having less than six strokes per cycle
- F02B2075/025—Engines characterised by their cycles, e.g. six-stroke having less than six strokes per cycle two
-
- 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
- F02B25/00—Engines characterised by using fresh charge for scavenging cylinders
- F02B25/02—Engines characterised by using fresh charge for scavenging cylinders using unidirectional scavenging
-
- 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
- F02M2200/50—Arrangements of springs for valves used in fuel injectors or fuel injection pumps
-
- 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
Abstract
Description
ハウジングと、
前記ハウジング内の第1のボアに摺動可能に収容され、退避位置と伸長位置との間で可動に構成された油圧駆動作動ピストンと、
前記作動ピストンと共に動くように、前記作動ピストンに動作可能に接続される駆動プランジャであって、前記ハウジング内の第2のボアに、第1の間隙をもって摺動可能に収容される前記駆動プランジャと、
前記第2のボアに、第2の間隙をもって摺動可能に収容され、退避位置と伸長位置との間で可動に構成されたポンププランジャと、
前記駆動プランジャの先端側と前記ポンププランジャの基端側との間で、前記第2のボア内に配置された封液室と、
前記ポンププランジャの先端側で前記第2のボア内のポンプ室と、
を備える。
Claims (19)
- 燃料弁に燃料を送り込む燃料ポンプ(40)であって、
ハウジングと、
前記ハウジング内の第1のボア(84)に摺動可能に収容され、退避位置と伸長位置との間で可動に構成された油圧駆動作動ピストン(83)と、
前記作動ピストン(83)と共に動くように、前記作動ピストン(83)に動作可能に接続される駆動プランジャ(80)であって、前記ハウジング内の第2のボア(81)に、第1の間隙(91)をもって摺動可能に収容される前記駆動プランジャ(80)と、
を備え、
前記第2のボア(81)に、第2の間隙(92)をもって摺動可能に収容され、退避位置と伸長位置との間で可動に構成されたポンププランジャ(87)と、
前記駆動プランジャ(80)の先端側と前記ポンププランジャ(87)の基端側との間で、前記第2のボア(81)内に配置された封液室(86)と、
前記ポンププランジャ(87)の先端側で前記第2のボア(81)内のポンプ室(82)と、
を備えることを特徴とする、燃料ポンプ。 - 加圧封液源(57)に、封液供給チャネル(93)を接続する封液供給口(70)を備え、前記封液供給チャネル(93)は、前記作動ピストン(83)がその退避位置にあるときに、前記封液室(86)を前記封液供給口(70)に流体接続する、請求項1に記載の燃料ポンプ(40)。
- 前記作動ピストン(83)がその退避位置にあるときに、前記封液供給チャネル(93)は、前記駆動プランジャ(80)の前記先端に近い位置で前記封液室(86)に向かって開口している、請求項2に記載の燃料ポンプ(40)。
- 前記作動ピストン(83)がその退避位置と伸長位置との間の任意の位置にあるときに、前記駆動プランジャ(80)は、前記封液チャネル(93)を前記封液室(86)から分離する、請求項3に記載の燃料ポンプ(40)。
- 弾性要素、好ましくはコイルばね(42)が、前記ポンププランジャ(87)の前記基端側と前記駆動プランジャ(80)の前記先端側との間に配置される、請求項1から4のいずれかに記載の燃料ポンプ(40)。
- 前記駆動プランジャ(80)の前記先端と前記ポンププランジャ(87)の前記基端との間の最大距離を制限する機械的エンドストップが提供される、請求項1から5のいずれかに記載の燃料ポンプ(40)。
- 燃料入口と、前記燃料入口を前記ポンプ室(82)に接続する燃料供給チャネルと、好ましくは前記燃料供給チャネルに配置され、前記燃料入口から前記ポンプ室(82)への流れを可能にし、前記ポンプ室(82)から前記燃料入口への流れを防ぐ第1の一方向弁と、を備える、請求項1から6のいずれかに記載の燃料ポンプ(40)。
- 前記燃料室(82)に接続する燃料出口チャネル(66)を備える、請求項1から7のいずれかに記載の燃料ポンプ(40)。
- 前記第2のボア(81)は、前記第1のボア(84)に揃えられている、請求項1から8のいずれかに記載の燃料ポンプ(40)。
- 前記封液口(70)は、第1の圧力で封液源(57)に接続され、前記ポンプ室(82)は、第2の圧力で加圧燃料源(60)に接続される、請求項7から9のいずれかに記載の燃料ポンプ(40)。
- 前記駆動プランジャ(80)及び前記ポンププランジャ(87)は、前記第2のボア(81)内に直列に配置され、これによって、前記封液室(86)が前記駆動プランジャ(80)と前記ポンププランジャ(87)との間に配置された状態で、前記駆動プランジャ(80)及び前記ポンププランジャ(87)は、前記第2のボア(81)内で一体に動くように配置される、請求項1から10のいずれかに記載の燃料ポンプ(40)。
- 前記ポンププランジャ(87)は、その退避位置から伸長位置へと動くときに、ポンプ行程を実施するように構成され、その伸長位置から退避位置へと動くときに、吸引行程を実施するように構成される、請求項1から11のいずれかに記載の燃料ポンプ(40)。
- 前記駆動プランジャ(80)は、ポンプ行程中に、前記駆動プランジャ(80)と前記ポンププランジャ(87)とが直接接触することなく、前記ポンププランジャ(87)を押すように構成され、
前記封液室(86)内の圧力によって、前記ポンププランジャ(87)を前記駆動プランジャ(80)の動きに追従させるように構成される、請求項12に記載の燃料ポンプ(40)。 - 前記燃料ポンプ(40)は、第1の圧力で封液源(57)に接続され、第2の圧力で燃料源(60)に接続され、ここで、前記第1の圧力は前記第2の圧力よりも高い、請求項1から12のいずれかに記載の燃料ポンプ(40)。
- 作動室(85)が前記作動ピストン(83)の前記基端側の前記第1のボア(84)内に配置される、請求項1から14のいずれかに記載の燃料ポンプ(40)。
- 燃料弁であって、請求項1から15のいずれかに記載の燃料ポンプを備え、前記燃料ポンプは、好ましくは前記燃料弁(50)のハウジング(52)内に配置される、燃料弁(50)。
- ノズル(54)と、前記ポンプ室(82)から前記ノズル(54)への流れを制御する弁ニードル(61)と、を備える、請求項16に記載の燃料弁(50)。
- 前記弁ニードル(61)は、前記燃料弁(50)内の弁座(63)と協働し、前記弁ニードル(61)は、前記弁座(63)から浮くと、前記ポンプ室(82)から前記ノズル(54)への流れを可能にし、前記弁座(63)上にあるときは、前記ポンプ室(82)から前記ノズル(54)への流れを不可とし、
前記弁ニードル(61)の浮きは、制御信号によって制御され、好ましくは前記燃料の圧力によっては制御されない、請求項17に記載の燃料弁(50)。 - 請求項1から15のいずれかに記載の燃料ポンプ(40)、及び/又は請求項16から18のいずれかに記載の燃料弁(50)を備える、複数のクロスヘッド(9)を有する大型2ストロークユニフロー掃気ターボ加給式内燃機関。
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Application Number | Priority Date | Filing Date | Title |
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DKPA202070126 | 2020-02-26 | ||
DKPA202070126A DK180589B1 (en) | 2020-02-26 | 2020-02-26 | Fuel pump with improved sealing properties |
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JP6932278B1 JP6932278B1 (ja) | 2021-09-08 |
JP2021134788A true JP2021134788A (ja) | 2021-09-13 |
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EP (2) | EP4043718B1 (ja) |
JP (1) | JP6932278B1 (ja) |
KR (1) | KR102280315B1 (ja) |
CN (1) | CN113309646B (ja) |
DK (1) | DK180589B1 (ja) |
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KR20230126185A (ko) * | 2022-02-22 | 2023-08-29 | 만 에너지 솔루션즈, 필리알 아프 만 에너지 솔루션즈 에스이, 티스크란드 | 대형 터보차지식 2행정 유니플로 크로스헤드 내연 엔진용 반-제작형 크랭크샤프트 |
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- 2021-02-23 KR KR1020210024056A patent/KR102280315B1/ko active IP Right Grant
- 2021-02-25 EP EP22165009.6A patent/EP4043718B1/en active Active
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JP2008534847A (ja) * | 2005-03-31 | 2008-08-28 | ダイムラー・アクチェンゲゼルシャフト | 内燃機関用の燃料供給システム |
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Publication number | Priority date | Publication date | Assignee | Title |
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KR20230126185A (ko) * | 2022-02-22 | 2023-08-29 | 만 에너지 솔루션즈, 필리알 아프 만 에너지 솔루션즈 에스이, 티스크란드 | 대형 터보차지식 2행정 유니플로 크로스헤드 내연 엔진용 반-제작형 크랭크샤프트 |
JP7425234B2 (ja) | 2022-02-22 | 2024-01-30 | エムエーエヌ・エナジー・ソリューションズ・フィリアル・アフ・エムエーエヌ・エナジー・ソリューションズ・エスイー・ティスクランド | 大型ターボ過給式2ストロークユニフロークロスヘッド内燃機関用クランクシャフト |
KR102642310B1 (ko) * | 2022-02-22 | 2024-03-04 | 만 에너지 솔루션즈, 필리알 아프 만 에너지 솔루션즈 에스이, 티스크란드 | 대형 터보차지식 2행정 유니플로 크로스헤드 내연 엔진용 반-제작형 크랭크샤프트 |
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EP4043718C0 (en) | 2023-10-04 |
DK202070126A1 (en) | 2021-09-23 |
EP3872331A1 (en) | 2021-09-01 |
KR102280315B1 (ko) | 2021-07-21 |
EP4043718A1 (en) | 2022-08-17 |
DK180589B1 (en) | 2021-09-23 |
EP3872331B1 (en) | 2023-12-13 |
EP3872331C0 (en) | 2023-12-13 |
EP4043718B1 (en) | 2023-10-04 |
JP6932278B1 (ja) | 2021-09-08 |
CN113309646B (zh) | 2022-10-25 |
CN113309646A (zh) | 2021-08-27 |
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