JP2016534279A - 直接排出ガス再循環システム - Google Patents
直接排出ガス再循環システム Download PDFInfo
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- 238000002485 combustion reaction Methods 0.000 claims abstract description 104
- 239000012530 fluid Substances 0.000 claims abstract description 30
- 238000004891 communication Methods 0.000 claims abstract description 28
- 239000007789 gas Substances 0.000 claims description 143
- 238000000034 method Methods 0.000 claims description 61
- 239000000203 mixture Substances 0.000 claims description 30
- 239000000446 fuel Substances 0.000 claims description 24
- 239000003054 catalyst Substances 0.000 claims description 14
- 238000002407 reforming Methods 0.000 claims description 11
- 230000000670 limiting effect Effects 0.000 claims description 7
- 238000011144 upstream manufacturing Methods 0.000 claims description 6
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 5
- 238000001816 cooling Methods 0.000 claims description 5
- 239000001257 hydrogen Substances 0.000 claims description 5
- 229910052739 hydrogen Inorganic materials 0.000 claims description 5
- 239000001301 oxygen Substances 0.000 claims description 5
- 229910052760 oxygen Inorganic materials 0.000 claims description 5
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims description 4
- 229910002091 carbon monoxide Inorganic materials 0.000 claims description 4
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 3
- 238000002347 injection Methods 0.000 claims description 3
- 239000007924 injection Substances 0.000 claims description 3
- 239000004215 Carbon black (E152) Substances 0.000 claims description 2
- 229930195733 hydrocarbon Natural products 0.000 claims description 2
- 150000002430 hydrocarbons Chemical class 0.000 claims description 2
- 238000002156 mixing Methods 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 9
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 6
- 238000005086 pumping Methods 0.000 description 6
- 239000003949 liquefied natural gas Substances 0.000 description 5
- 230000002829 reductive effect Effects 0.000 description 5
- GQPLMRYTRLFLPF-UHFFFAOYSA-N Nitrous Oxide Chemical compound [O-][N+]#N GQPLMRYTRLFLPF-UHFFFAOYSA-N 0.000 description 4
- 238000009833 condensation Methods 0.000 description 3
- 230000005494 condensation Effects 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 230000001276 controlling effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000004880 explosion Methods 0.000 description 2
- 150000002431 hydrogen Chemical class 0.000 description 2
- 239000001272 nitrous oxide Substances 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 239000002893 slag Substances 0.000 description 2
- 241000220317 Rosa Species 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- AZDRQVAHHNSJOQ-UHFFFAOYSA-N alumane Chemical group [AlH3] AZDRQVAHHNSJOQ-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 239000002826 coolant Substances 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 230000002452 interceptive effect Effects 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
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 230000001052 transient effect Effects 0.000 description 1
- 238000009834 vaporization Methods 0.000 description 1
- 230000008016 vaporization Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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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
- F02M26/00—Engine-pertinent apparatus for adding exhaust gases to combustion-air, main fuel or fuel-air mixture, e.g. by exhaust gas recirculation [EGR] systems
- F02M26/13—Arrangement or layout of EGR passages, e.g. in relation to specific engine parts or for incorporation of accessories
- F02M26/42—Arrangement or layout of EGR passages, e.g. in relation to specific engine parts or for incorporation of accessories having two or more EGR passages; EGR systems specially adapted for engines having two or more cylinders
- F02M26/43—Arrangement or layout of EGR passages, e.g. in relation to specific engine parts or for incorporation of accessories having two or more EGR passages; EGR systems specially adapted for engines having two or more cylinders in which exhaust from only one cylinder or only a group of cylinders is directed to the intake of the engine
-
- 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N13/00—Exhaust or silencing apparatus characterised by constructional features ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00
- F01N13/08—Other arrangements or adaptations of exhaust conduits
- F01N13/10—Other arrangements or adaptations of exhaust conduits of exhaust manifolds
- F01N13/107—More than one exhaust manifold or exhaust collector
-
- 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
- F02B37/02—Gas passages between engine outlet and pump drive, e.g. reservoirs
- F02B37/025—Multiple scrolls or multiple gas passages guiding the gas to the pump drive
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D21/00—Controlling engines characterised by their being supplied with non-airborne oxygen or other non-fuel gas
- F02D21/06—Controlling engines characterised by their being supplied with non-airborne oxygen or other non-fuel gas peculiar to engines having other non-fuel gas added to combustion air
- F02D21/08—Controlling engines characterised by their being supplied with non-airborne oxygen or other non-fuel gas peculiar to engines having other non-fuel gas added to combustion air the other gas being the exhaust gas of engine
-
- 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
- F02M26/00—Engine-pertinent apparatus for adding exhaust gases to combustion-air, main fuel or fuel-air mixture, e.g. by exhaust gas recirculation [EGR] systems
- F02M26/02—EGR systems specially adapted for supercharged engines
- F02M26/04—EGR systems specially adapted for supercharged engines with a single turbocharger
- F02M26/05—High pressure loops, i.e. wherein recirculated exhaust gas is taken out from the exhaust system upstream of the turbine and reintroduced into the intake system downstream of the compressor
-
- 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
- F02M26/00—Engine-pertinent apparatus for adding exhaust gases to combustion-air, main fuel or fuel-air mixture, e.g. by exhaust gas recirculation [EGR] systems
- F02M26/02—EGR systems specially adapted for supercharged engines
- F02M26/09—Constructional details, e.g. structural combinations of EGR systems and supercharger systems; Arrangement of the EGR and supercharger systems with respect to the engine
-
- 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
- F02M26/00—Engine-pertinent apparatus for adding exhaust gases to combustion-air, main fuel or fuel-air mixture, e.g. by exhaust gas recirculation [EGR] systems
- F02M26/13—Arrangement or layout of EGR passages, e.g. in relation to specific engine parts or for incorporation of accessories
- F02M26/14—Arrangement or layout of EGR passages, e.g. in relation to specific engine parts or for incorporation of accessories in relation to the exhaust system
-
- 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
- F02M26/00—Engine-pertinent apparatus for adding exhaust gases to combustion-air, main fuel or fuel-air mixture, e.g. by exhaust gas recirculation [EGR] systems
- F02M26/13—Arrangement or layout of EGR passages, e.g. in relation to specific engine parts or for incorporation of accessories
- F02M26/22—Arrangement or layout of EGR passages, e.g. in relation to specific engine parts or for incorporation of accessories with coolers in the recirculation passage
- F02M26/23—Layout, e.g. schematics
-
- 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
- F02M26/00—Engine-pertinent apparatus for adding exhaust gases to combustion-air, main fuel or fuel-air mixture, e.g. by exhaust gas recirculation [EGR] systems
- F02M26/13—Arrangement or layout of EGR passages, e.g. in relation to specific engine parts or for incorporation of accessories
- F02M26/36—Arrangement or layout of EGR passages, e.g. in relation to specific engine parts or for incorporation of accessories with means for adding fluids other than exhaust gas to the recirculation passage; with reformers
-
- 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
- F02M35/10209—Fluid connections to the air intake system; their arrangement of pipes, valves or the like
- F02M35/10222—Exhaust gas recirculation [EGR]; Positive crankcase ventilation [PCV]; Additional air admission, lubricant or fuel vapour admission
-
- 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
- F02B29/00—Engines characterised by provision for charging or scavenging not provided for in groups F02B25/00, F02B27/00 or F02B33/00 - F02B39/00; Details thereof
- F02B29/04—Cooling of air intake supply
- F02B29/0406—Layout of the intake air cooling or coolant circuit
-
- 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
- F02B37/12—Control of the pumps
- F02B37/16—Control of the pumps by bypassing charging air
-
- 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
- F02B37/12—Control of the pumps
- F02B37/18—Control of the pumps by bypassing exhaust from the inlet to the outlet of turbine or to the atmosphere
-
- 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
- F02M26/00—Engine-pertinent apparatus for adding exhaust gases to combustion-air, main fuel or fuel-air mixture, e.g. by exhaust gas recirculation [EGR] systems
- F02M26/02—EGR systems specially adapted for supercharged engines
- F02M26/04—EGR systems specially adapted for supercharged engines with a single turbocharger
- F02M26/06—Low pressure loops, i.e. wherein recirculated exhaust gas is taken out from the exhaust downstream of the turbocharger turbine and reintroduced into the intake system upstream of the compressor
-
- 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
- F02M26/00—Engine-pertinent apparatus for adding exhaust gases to combustion-air, main fuel or fuel-air mixture, e.g. by exhaust gas recirculation [EGR] systems
- F02M26/13—Arrangement or layout of EGR passages, e.g. in relation to specific engine parts or for incorporation of accessories
- F02M26/41—Arrangement or layout of EGR passages, e.g. in relation to specific engine parts or for incorporation of accessories characterised by the arrangement of the recirculation passage in relation to the engine, e.g. to cylinder heads, liners, spark plugs or manifolds; characterised by the arrangement of the recirculation passage in relation to specially adapted combustion chambers
-
- 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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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Exhaust-Gas Circulating Devices (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)
Abstract
Description
Claims (22)
- (a)第1の部分及び第2の部分に分割された複数の燃焼室と、
(b)各燃焼室と関連する少なくとも1つの吸気弁及び少なくとも1つの排出弁と、
(c)前記複数の燃焼室にそれぞれの吸気弁を介して流体連通する少なくとも1つの吸気マニホールドと、
(d)前記第1の部分の燃焼室にそれぞれの排出弁を介して流体連通する第1の排出マニホールドと、
(e)前記第2の部分の燃焼室にそれぞれの排出弁を介して流体連通する第2の排出マニホールドと、
(f)前記第2の部分における各燃焼室と関連する少なくとも1つのEGR排出弁と、
(g)前記第2の部分における各燃焼室にそれぞれのEGR排出ガス弁を介して且つ前記少なくとも1つの吸気マニホールドに流体連通するEGRマニホールドと
を具える内燃機関用の排出ガス再循環システム。 - 請求項1に記載の内燃機関において、この内燃機関が更に、
(a)タービン及びコンプレッサを有するタービン‐コンプレッサ装置
を具えており、前記タービンは前記コンプレッサを駆動するものであり、前記タービンは第1の排出入口及び第2の排出入口を有し、前記第2の排出入口は前記第1の排出入口よりも小さい流量面積を有し、前記第1の排出マニホールドは前記第1の排出入口に流体連通しており、前記第2の排出マニホールドは前記第2の排出入口に流体連通しており、前記吸気マニホールドは前記コンプレッサと流体連通して、酸素を有する圧縮気体の混合体を受けるようになっている内燃機関。 - 請求項1に記載の内燃機関において、この内燃機関が更に、
(a)前記第2の排出マニホールドと前記第1の排出マニホールドとの間に存在し、前記第2の排出マニホールド及び前記EGRマニホールド内の圧力を低減させるように動作しうる圧力調整器
を具えている内燃機関。 - 請求項2に記載の内燃機関において、この内燃機関が更に、
(a)前記タービン後の排出流路内に設けられ、前記第1の排出マニホールドと、前記第2の排出マニホールドと、前記EGRマニホールドとの内の背圧を変化させる圧力調整器
を具えている内燃機関。 - 請求項1に記載の内燃機関において、この内燃機関が更に、
(a)EGRクーラ及びEGR弁
を具えており、前記EGRクーラは前記EGRマニホールドを前記EGR弁に連結しており、前記EGR弁は前記吸気マニホールドに流体連通している内燃機関。 - 請求項1に記載の内燃機関において、前記第2の排出マニホールドの出口付近の配管がそれ自体に制限部を有している内燃機関。
- 請求項1に記載の内燃機関において、この内燃機関が更に、
(a)前記第2の排出マニホールドと前記タービンの前記第2の排出入口との間に圧力調整器
を具えている内燃機関。 - 請求項1に記載の内燃機関において、この内燃機関が更に、
(a)前記EGRマニホールドと前記第2の排出マニホールドとの間に圧力調整器
を具えている内燃機関。 - 請求項1に記載の内燃機関において、前記第2の部分のそれぞれの燃焼室における前記少なくとも1つの排出弁がそれぞれ可変の弁駆動装置に連結されている内燃機関。
- 請求項1に記載の内燃機関において、この内燃機関が更に、
(a)前記EGRマニホールドから排出ガスを受けるためにこのEGRマニホールドに流体連通している入口と、前記吸気マニホールドと流体連通している出口とを有するリフォーミング触媒と、
(b)気体燃料を前記リフォーミング触媒の上流で前記排出ガス内に導入する燃料注入装置と
を具えている内燃機関。 - 請求項1に記載の内燃機関において、この内燃機関が更に、
(a)前記第1の排出マニホールド及び前記第2の排出マニホールドから排出ガスを受けるタービン‐コンプレッサ装置と、
(b)前記タービン‐コンプレッサ装置から圧縮空気を受ける吸気クーラと、
(c)前記EGRマニホールドと前記吸気クーラの上流との間の可調整弁であって、前記排出ガスが前記可調整弁を経て伝達されるとともに前記圧縮空気と混合されて混合体を形成し、この混合体を前記吸気クーラにより冷却されるようにした当該可調整弁と
を具える内燃機関。 - 内燃機関における排出ガス再循環方法において、この排出ガス再循環方法が、
(a)前記内燃機関における燃焼室を第1の部分と第2の部分とに分割するステップと、
(b)排出ガスを前記第1の部分の燃焼室から第1の排出マニホールドに伝達させるステップと、
(c)排出ガスを前記第2の部分の燃焼室からこれら燃焼室における別々の排出弁を介して第2の排出マニホールド及びEGRマニホールドに伝達させるステップと、
(d)排出ガスを前記EGRマニホールドから少なくとも1つの吸気マニホールドに伝達させるステップと
を具える排出ガス再循環方法。 - 請求項12に記載の排出ガス再循環方法において、この排出ガス再循環方法が更に、
(a)前記第2の排出マニホールドからの排出ガスの流れを制限するステップ
を具えている排出ガス再循環方法。 - 請求項12に記載の排出ガス再循環方法において、この排出ガス再循環方法が更に、
(a)排出ガスを前記第1の排出マニホールドから第1のタービン入口に伝達させるステップと、
(b)排出ガスを前記第2の排出マニホールドから、前記第1のタービン入口よりも小さい流量面積を有する第2のタービン入口に伝達させるステップと、
(c)前記排出ガスにより前記タービンに与えられるエネルギーで酸素を有する気体の混合体を圧縮させるステップと
を具える排出ガス再循環方法。 - 請求項14に記載の排出ガス再循環方法において、この排出ガス再循環方法が更に、
(a)前記第2の排出マニホールドと前記第1の排出マニホールドとの間の圧力を調整するステップであって、前記第2の排出マニホールド内の前記排出ガスの一部を前記第1のタービン入口に向けて指向させるようにするステップ
を具えている排出ガス再循環方法。 - 請求項14に記載の排出ガス再循環方法において、この排出ガス再循環方法が更に、
(a)前記第2の排出マニホールドと前記第2のタービン入口との間の圧力を調整するステップ
を具えている排出ガス再循環方法。 - 請求項16に記載の排出ガス再循環方法において、この排出ガス再循環方法が更に、
(a)前記EGRマニホールドと前記少なくとも1つの吸気マニホールドとの間の圧力を調整するステップ
を具えている排出ガス再循環方法。 - 請求項12に記載の排出ガス再循環方法において、この排出ガス再循環方法が更に、
(a)前記EGRマニホールドと前記第2の排出マニホールドの出口との間の圧力を調整するステップ
を具えている排出ガス再循環方法。 - 請求項12に記載の排出ガス再循環方法において、この排出ガス再循環方法が更に、
(a)排出弁を可変駆動して前記第2の排出マニホールド内の圧力を制御することにより、EGRレートを調整するステップ
を具えている排出ガス再循環方法。 - 請求項12に記載の排出ガス再循環方法において、この排出ガス再循環方法が更に、
(a)炭化水素燃料を前記EGRマニホールドからの排出ガス内に導入することにより排出ガス‐燃料混合体を形成するステップと、
(b)前記排出ガス‐燃料混合体をリフォーミングして少なくとも水素を発生させるステップと、
(c)前記水素及び前記排出ガスを前記少なくとも1つの吸気マニホールドに伝達させるステップと
を具えている排出ガス再循環方法。 - 請求項12に記載の排出ガス再循環方法において、この排出ガス再循環方法が更に、
(a)前記排出ガス‐燃料混合体をリフォーミングして一酸化炭素を生ぜしめるステップ
を具えている排出ガス再循環方法。 - 請求項12に記載の排出ガス再循環方法において、この排出ガス再循環方法が更に、
(a)タービン‐コンプレッサ装置により吸気を圧縮させて圧縮吸気を形成するステップと、
(b)排出ガスを前記圧縮吸気と混合して混合体を形成するステップと、
(c)前記排出ガスと前記圧縮吸気との前記混合体を前記少なくとも1つの吸気マニホールドに導入する前にこの混合体を冷却するステップと
を具えている排出ガス再循環方法。
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