JP7477311B2 - 補助ブロワを備えた大型エンジン及び運転方法 - Google Patents
補助ブロワを備えた大型エンジン及び運転方法 Download PDFInfo
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- JP7477311B2 JP7477311B2 JP2020012308A JP2020012308A JP7477311B2 JP 7477311 B2 JP7477311 B2 JP 7477311B2 JP 2020012308 A JP2020012308 A JP 2020012308A JP 2020012308 A JP2020012308 A JP 2020012308A JP 7477311 B2 JP7477311 B2 JP 7477311B2
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- auxiliary blower
- longitudinally scavenged
- large engine
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- 238000000034 method Methods 0.000 title claims description 23
- 239000007789 gas Substances 0.000 claims description 70
- 239000000446 fuel Substances 0.000 claims description 51
- 230000002000 scavenging effect Effects 0.000 claims description 46
- 238000002485 combustion reaction Methods 0.000 claims description 35
- 239000000203 mixture Substances 0.000 claims description 23
- 238000011144 upstream manufacturing Methods 0.000 claims description 16
- 239000000567 combustion gas Substances 0.000 claims description 11
- 230000009977 dual effect Effects 0.000 claims description 3
- 230000001419 dependent effect Effects 0.000 claims description 2
- 238000007599 discharging Methods 0.000 claims description 2
- 239000003570 air Substances 0.000 description 67
- 239000007788 liquid Substances 0.000 description 17
- MWUXSHHQAYIFBG-UHFFFAOYSA-N nitrogen oxide Inorganic materials O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 description 6
- 238000002347 injection Methods 0.000 description 5
- 239000007924 injection Substances 0.000 description 5
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 239000002283 diesel fuel Substances 0.000 description 3
- 239000003344 environmental pollutant Substances 0.000 description 3
- 239000010763 heavy fuel oil Substances 0.000 description 3
- 231100000719 pollutant Toxicity 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 230000003247 decreasing effect Effects 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 239000003949 liquefied natural gas Substances 0.000 description 2
- 239000003345 natural gas Substances 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 1
- 239000012080 ambient air Substances 0.000 description 1
- 239000002551 biofuel Substances 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003502 gasoline Substances 0.000 description 1
- 235000003642 hunger Nutrition 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000010327 methods by industry Methods 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 230000037351 starvation Effects 0.000 description 1
- XTQHKBHJIVJGKJ-UHFFFAOYSA-N sulfur monoxide Chemical class S=O XTQHKBHJIVJGKJ-UHFFFAOYSA-N 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
Classifications
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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
- F02B37/00—Engines characterised by provision of pumps driven at least for part of the time by exhaust
- F02B37/04—Engines with exhaust drive and other drive of pumps, e.g. with exhaust-driven pump and mechanically-driven second pump
-
- 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
- F02B37/00—Engines characterised by provision of pumps driven at least for part of the time by exhaust
- F02B37/005—Exhaust driven pumps being combined with an exhaust driven auxiliary apparatus, e.g. a ventilator
-
- 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
- F02B39/00—Component parts, details, or accessories relating to, driven charging or scavenging pumps, not provided for in groups F02B33/00 - F02B37/00
- F02B39/16—Other safety measures for, or other control of, pumps
-
- 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
- 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
- F02B25/04—Engines having ports both in cylinder head and in cylinder wall near bottom of piston stroke
-
- 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
- F02B33/00—Engines characterised by provision of pumps for charging or scavenging
- F02B33/32—Engines with pumps other than of reciprocating-piston type
- F02B33/34—Engines with pumps other than of reciprocating-piston type with rotary pumps
-
- 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
- F02B33/00—Engines characterised by provision of pumps for charging or scavenging
- F02B33/32—Engines with pumps other than of reciprocating-piston type
- F02B33/34—Engines with pumps other than of reciprocating-piston type with rotary pumps
- F02B33/40—Engines with pumps other than of reciprocating-piston type with rotary pumps of non-positive-displacement type
-
- 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
- F02B39/00—Component parts, details, or accessories relating to, driven charging or scavenging pumps, not provided for in groups F02B33/00 - F02B37/00
- F02B39/02—Drives of pumps; Varying pump drive gear ratio
- F02B39/08—Non-mechanical drives, e.g. fluid drives having variable gear ratio
- F02B39/10—Non-mechanical drives, e.g. fluid drives having variable gear ratio electric
-
- 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
- F02B67/00—Engines characterised by the arrangement of auxiliary apparatus not being otherwise provided for, e.g. the apparatus having different functions; Driving auxiliary apparatus from engines, not otherwise provided for
- F02B67/10—Engines characterised by the arrangement of auxiliary apparatus not being otherwise provided for, e.g. the apparatus having different functions; Driving auxiliary apparatus from engines, not otherwise provided for of charging or scavenging apparatus
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D41/00—Electrical control of supply of combustible mixture or its constituents
- F02D41/0002—Controlling intake air
- F02D41/0007—Controlling intake air for control of turbo-charged or super-charged engines
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D41/00—Electrical control of supply of combustible mixture or its constituents
- F02D41/0025—Controlling engines characterised by use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D9/00—Controlling engines by throttling air or fuel-and-air induction conduits or exhaust conduits
- F02D9/08—Throttle valves specially adapted therefor; Arrangements of such valves in 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
- F02M35/00—Combustion-air cleaners, air intakes, intake silencers, or induction systems specially adapted for, or arranged on, internal-combustion engines
- F02M35/10—Air intakes; Induction systems
- F02M35/1015—Air intakes; Induction systems characterised by the engine type
- F02M35/1019—Two-stroke engines; Reverse-flow scavenged or cross scavenged 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
- F02M35/00—Combustion-air cleaners, air intakes, intake silencers, or induction systems specially adapted for, or arranged on, internal-combustion engines
- F02M35/10—Air intakes; Induction systems
- F02M35/10242—Devices or means connected to or integrated into air intakes; Air intakes combined with other engine or vehicle parts
- F02M35/10255—Arrangements of valves; Multi-way valves
-
- 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
- F02M35/00—Combustion-air cleaners, air intakes, intake silencers, or induction systems specially adapted for, or arranged on, internal-combustion engines
- F02M35/10—Air intakes; Induction systems
- F02M35/10242—Devices or means connected to or integrated into air intakes; Air intakes combined with other engine or vehicle parts
- F02M35/10262—Flow guides, obstructions, deflectors or the like
-
- 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
- F02M35/00—Combustion-air cleaners, air intakes, intake silencers, or induction systems specially adapted for, or arranged on, internal-combustion engines
- F02M35/10—Air intakes; Induction systems
- F02M35/104—Intake manifolds
- F02M35/108—Intake manifolds with primary and secondary intake passages
-
- 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
- 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
- F02B2075/027—Engines characterised by their cycles, e.g. six-stroke having less than six strokes per cycle four
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D41/00—Electrical control of supply of combustible mixture or its constituents
- F02D41/0002—Controlling intake air
- F02D2041/0022—Controlling intake air for diesel engines by throttle control
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D23/00—Controlling engines characterised by their being supercharged
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D2400/00—Control systems adapted for specific engine types; Special features of engine control systems not otherwise provided for; Power supply, connectors or cabling for engine control systems
- F02D2400/04—Two-stroke combustion engines with electronic control
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Supercharger (AREA)
- Output Control And Ontrol Of Special Type Engine (AREA)
- Control Of Throttle Valves Provided In The Intake System Or In The Exhaust System (AREA)
Description
2 シリンダ
3 インテーク・レシーバ
4 ターボチャージャ
5 補助ブロワ
6 冷却器
20 燃焼室
21 掃気開口部
42 給気
51 絞り装置
52 追加の掃気
63 水分離機
510 絞り弁
520 開口部
α 開き角度
λ 空気-ガス比率
Claims (14)
- 少なくとも1つのシリンダ(2)を有する長手方向掃気式大型エンジンであって、前記シリンダ(2)は、空気-燃料混合物を燃焼するための燃焼室(20)と、前記シリンダ(2)内に給気(42)を供給するための掃気開口部(21)と、前記シリンダ(2)から燃焼ガスを排出するための出口弁とを有し、前記大型エンジン(1)は、前記給気(42)のためのインテーク・レシーバ(3)であって、前記掃気開口部(21)に流れ接続されたインテーク・レシーバ(3)と、前記インテーク・レシーバ(3)内に前記給気(42)を供給するための、前記燃焼ガスによって駆動可能なターボチャージャ(4)と、追加の掃気(52)を前記インテーク・レシーバ(3)内に導入可能な少なくとも1台の補助ブロワ(5)とを更に有する、大型エンジンにおいて、
前記追加の掃気(52)の質量流量を変化させることが可能な絞り装置(51、510)が前記補助ブロワ(5)の上流に配置されることを特徴とする、長手方向掃気式大型エンジン。 - 前記絞り装置(51)は、絞り弁(510)と、前記絞り弁(510)により閉じることが可能な開口部とを有する、請求項1に記載の長手方向掃気式大型エンジン。
- 前記絞り弁(510)の開き角度(α)が調整可能である、請求項2に記載の長手方向掃気式大型エンジン。
- 前記補助ブロワ(5)は、単一の回転速度でのみ作動可能である、請求項1から3までのいずれか一項に記載の長手方向掃気式大型エンジン。
- 前記給気(42)が前記インテーク・レシーバ(3)の方向にのみ流れることが可能なようにノンリターン装置が前記補助ブロワ(5)の下流に配置される、請求項1から4までのいずれか一項に記載の長手方向掃気式大型エンジン。
- ガス・モードで運転可能である、請求項1から5までのいずれか一項に記載の長手方向掃気式大型エンジン。
- 前記長手方向掃気式大型エンジン(1)が二元燃料エンジンである、請求項1から6までのいずれか一項に記載の長手方向掃気式大型エンジン。
- 前記長手方向掃気式大型エンジン(1)が長手方向掃気式2ストローク大型エンジンである、請求項1から7までのいずれか一項に記載の長手方向掃気式大型エンジン。
- 前記絞り装置(51、510)による前記追加の掃気(52)の前記質量流量を負荷に依存して制御するための制御装置を有する、請求項1から8までのいずれか一項に記載の長手方向掃気式大型エンジン。
- a)前記長手方向掃気式大型エンジン(1)に前記補助ブロワ(5)及び前記絞り装置(51,510)を設けるステップと、
b)前記絞り装置(51、510)によって前記補助ブロワ(5)の上流の流れ断面を変更することによって前記追加の掃気(52)の前記質量流量を調整するステップと
を有する、請求項1から9までのいずれか一項に記載の長手方向掃気式大型エンジン(1)を運転するための方法。 - 前記補助ブロワ(5)の上流の前記流れ断面が、前記大型エンジンの負荷に応じて、前記絞り装置(51、510)を用いて制御される、請求項10に記載の方法。
- 前記大型エンジン(1)の負荷が増加することに伴い、前記絞り装置(51、510)により、前記補助ブロワ(5)の上流の前記流れ断面が連続的に減らされる、請求項11に記載の方法。
- 前記補助ブロワ(5)の上流の前記流れ断面が、前記大型エンジン(1)の負荷に応じて、前記絞り装置(51、510)を用いて調節される、請求項10に記載の方法。
- 前記補助ブロワ(5)の上流の前記流れ断面が、前記大型エンジン(1)の負荷に応じて、予め決定可能な空燃比により、前記絞り装置(51、510)を用いて調節される、請求項13に記載の方法。
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EP19156243 | 2019-02-08 | ||
EP19156243.8 | 2019-02-08 |
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JP2020128746A JP2020128746A (ja) | 2020-08-27 |
JP7477311B2 true JP7477311B2 (ja) | 2024-05-01 |
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Country Status (4)
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EP (1) | EP3693596A1 (ja) |
JP (1) | JP7477311B2 (ja) |
KR (1) | KR20200098408A (ja) |
CN (1) | CN111550307A (ja) |
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DK181014B1 (en) * | 2021-04-21 | 2022-09-23 | Man Energy Solutions Filial Af Man Energy Solutions Se Tyskland | A large turbocharged two-stroke internal combustion engine with egr system |
DK181009B1 (en) * | 2021-07-27 | 2022-09-19 | Man Energy Solutions Filial Af Man Energy Solutions Se Tyskland | A large two-stroke turbocharged uniflow scavenged internal combustion engine and method of operating the engine |
Citations (1)
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JP2013230814A (ja) | 2013-06-28 | 2013-11-14 | National Maritime Research Institute | 船舶の摩擦抵抗低減装置 |
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US2924069A (en) * | 1960-02-09 | Buchi | ||
JPS62152032U (ja) * | 1986-03-19 | 1987-09-26 | ||
JPH09280069A (ja) * | 1996-04-16 | 1997-10-28 | Mitsubishi Heavy Ind Ltd | 内燃機関プラント |
DK177631B1 (en) * | 2010-05-10 | 2014-01-06 | Man Diesel & Turbo Deutschland | Large two-stroke diesel engine with exhaust gas purification system |
US8677749B2 (en) * | 2011-01-28 | 2014-03-25 | EcoMotors International | Exhaust system for an internal combustion engine |
EP2817495B1 (en) * | 2012-02-21 | 2020-04-15 | Achates Power, Inc. | Exhaust management strategies for opposed-piston, two-stroke engines |
DK178102B1 (en) * | 2014-05-22 | 2015-05-18 | Man Diesel & Turbo Deutschland | A large slow running turbocharged two-stroke internal combustion engine with exhaust gas recirculation system |
EP3109444A1 (en) | 2015-06-26 | 2016-12-28 | Winterthur Gas & Diesel AG | Low-load operation method for operating a reciprocating piston internal combustion engine, and corresponding engine |
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2020
- 2020-01-16 EP EP20152278.6A patent/EP3693596A1/de active Pending
- 2020-01-29 JP JP2020012308A patent/JP7477311B2/ja active Active
- 2020-02-05 KR KR1020200013745A patent/KR20200098408A/ko active Search and Examination
- 2020-02-06 CN CN202010081214.1A patent/CN111550307A/zh active Pending
Patent Citations (1)
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JP2013230814A (ja) | 2013-06-28 | 2013-11-14 | National Maritime Research Institute | 船舶の摩擦抵抗低減装置 |
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KR20200098408A (ko) | 2020-08-20 |
CN111550307A (zh) | 2020-08-18 |
EP3693596A1 (de) | 2020-08-12 |
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