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1. (WO2017130527) INTERNAL COMBUSTION ENGINE CONTROL DEVICE
Latest bibliographic data on file with the International Bureau

Pub. No.: WO/2017/130527 International Application No.: PCT/JP2016/083877
Publication Date: 03.08.2017 International Filing Date: 16.11.2016
IPC:
F02D 41/04 (2006.01) ,F02D 21/08 (2006.01) ,F02D 35/00 (2006.01) ,F02D 45/00 (2006.01)
F MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
02
COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
D
CONTROLLING COMBUSTION ENGINES
41
Electrical control of supply of combustible mixture or its constituents
02
Circuit arrangements for generating control signals
04
Introducing corrections for particular operating conditions
F MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
02
COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
D
CONTROLLING COMBUSTION ENGINES
21
Controlling engines characterised by their being supplied with non-airborne oxygen or other non-fuel gas
06
peculiar to engines having other non-fuel gas added to combustion-air
08
the other gas being the exhaust gas of engine
F MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
02
COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
D
CONTROLLING COMBUSTION ENGINES
35
Non-electrical control of engines, dependent on conditions exterior or interior to engines, not otherwise provided for
F MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
02
COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
D
CONTROLLING COMBUSTION ENGINES
45
Electrical control not provided for in groups F02D41/-F02D43/98
Applicants:
日立オートモティブシステムズ株式会社 HITACHI AUTOMOTIVE SYSTEMS, LTD. [JP/JP]; 茨城県ひたちなか市高場2520番地 2520, Takaba, Hitachinaka-shi, Ibaraki 3128503, JP
Inventors:
赤城 好彦 AKAGI Yoshihiko; JP
浅野 誠二 ASANO Seiji; JP
押領司 一浩 ORYOJI Kazuhiro; JP
Agent:
戸田 裕二 TODA Yuji; JP
Priority Data:
2016-01372527.01.2016JP
Title (EN) INTERNAL COMBUSTION ENGINE CONTROL DEVICE
(FR) DISPOSITIF DE COMMANDE DE MOTEUR À COMBUSTION INTERNE
(JA) 内燃機関制御装置
Abstract:
(EN) In fuel injection control of an internal combustion engine, it is necessary to supply an optimum amount of fuel that can be completely combusted by oxygen in intake air, but the oxygen concentration in the atmosphere is affected by humidity. In the present invention, by separating and calculating a dry air flow rate, which directly affects the amount of oxygen, and a humidity flow rate, which is a variable factor of oxygen concentration, in the intake air of an internal combustion engine, it becomes possible to supply fuel to cylinders of the internal combustion engine at an optimum air fuel ratio. Further, high-precision control, which also includes EGR for recirculating some exhaust gas flowing through an exhaust pipe to an intake pipe, becomes possible.
(FR) Selon la présente invention, lors d'une commande d'injection de carburant d'un moteur à combustion interne, il est nécessaire de fournir une quantité optimale de carburant qui peut être complètement brûlé par l'oxygène dans l'air d'admission mais la concentration en oxygène dans l'atmosphère est affectée par l'humidité. Selon la présente invention, par séparation et calcul d'un débit d'air sec, qui affecte directement la quantité d'oxygène, et d'un débit d'humidité, qui est un facteur variable de la concentration en oxygène, dans l'air d'admission d'un moteur à combustion interne, il devient possible de fournir du carburant à des cylindres du moteur à combustion interne à un rapport air/carburant optimal. En outre, une commande de haute précision, qui comprend également une recirculation des gaz d'échappement (EGR pour Exhaust Gas Recirculation) permettant de faire recirculer une partie des gaz d'échappement circulant à travers un tuyau d'échappement vers un tuyau d'admission devient possible.
(JA) 内燃機関の燃料噴射制御においては、吸気中の酸素によって完全燃焼できる最適な燃料量を供給する必要があるが、大気の酸素濃度は湿度によって影響を受ける。 内燃機関の吸気中の、酸素量に直接影響する乾燥空気流量と酸素濃度の変動要因である湿度流量を分離して算出することで、内燃機関の気筒内に最適な空燃比で燃料を供給することが可能となる。また、排気管を流れる排気ガスの一部を吸気管に還流させるEGRも含めた高精度な制御が可能となる。
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Designated States: AE, AG, AL, AM, AO, AT, AU, AZ, BA, BB, BG, BH, BN, BR, BW, BY, BZ, CA, CH, CL, CN, CO, CR, CU, CZ, DE, DJ, DK, DM, DO, DZ, EC, EE, EG, ES, FI, GB, GD, GE, GH, GM, GT, HN, HR, HU, ID, IL, IN, IR, IS, JP, KE, KG, KN, KP, KR, KW, KZ, LA, LC, LK, LR, LS, LU, LY, MA, MD, ME, MG, MK, MN, MW, MX, MY, MZ, NA, NG, NI, NO, NZ, OM, PA, PE, PG, PH, PL, PT, QA, RO, RS, RU, RW, SA, SC, SD, SE, SG, SK, SL, SM, ST, SV, SY, TH, TJ, TM, TN, TR, TT, TZ, UA, UG, US, UZ, VC, VN, ZA, ZM, ZW
African Regional Intellectual Property Organization (ARIPO) (BW, GH, GM, KE, LR, LS, MW, MZ, NA, RW, SD, SL, ST, SZ, TZ, UG, ZM, ZW)
Eurasian Patent Organization (AM, AZ, BY, KG, KZ, RU, TJ, TM)
European Patent Office (AL, AT, BE, BG, CH, CY, CZ, DE, DK, EE, ES, FI, FR, GB, GR, HR, HU, IE, IS, IT, LT, LU, LV, MC, MK, MT, NL, NO, PL, PT, RO, RS, SE, SI, SK, SM, TR)
African Intellectual Property Organization (BF, BJ, CF, CG, CI, CM, GA, GN, GQ, GW, KM, ML, MR, NE, SN, TD, TG)
Publication Language: Japanese (JA)
Filing Language: Japanese (JA)
Also published as:
DE112016005150CN108699980US20190024600