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Número de publicaciónUS3816717 A
Tipo de publicaciónConcesión
Fecha de publicación11 Jun 1974
Fecha de presentación26 Ene 1973
Fecha de prioridad20 Mar 1970
Número de publicaciónUS 3816717 A, US 3816717A, US-A-3816717, US3816717 A, US3816717A
InventoresH Yoshida, N Ando, K Oishi
Cesionario originalNippon Denso Co
Exportar citaBiBTeX, EndNote, RefMan
Enlaces externos: USPTO, Cesión de USPTO, Espacenet
Electrical fuel control system for internal combustion engines
US 3816717 A
Resumen
An electrical fuel control system for internal combustion engines, wherein various data representing the operating conditions of an internal combustion engine are converted into digital signals which are operated on to generate such fuel controlling signals that suit the required characteristics of the engine, whereby the quantity of fuel injected as well as the spark timing are controlled to ensure the optimum amount of fuel injected and the optimum spark timing.
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United States Patent 1191 Yoshida et a1.

ELECTRICAL FUEL CONTROL SYSTEM FOR INTERNAL COMBUSTION ENGINES Inventors: Hiroshi Yoshida; Noriyoshi Ando;

Kazuo Oishi, all of Kariya, Japan Assignee: Nippondenso Kabushiki Kaisha,

Kariya-shi, Japan Filed:

Jan. 26, 1973 Appl. No.: 327,603

Related U.S. Application Data Continuation of Ser. No. 126,830, March 22, 1971,

abandoned.

Foreign Application Priority Data Mar. 26, 1970 Apr. 7, 1970 Apr. 10, 1970 Apr. 15, 1970 Apr. 15, 1970 Apr. 22, 1970 U.S. Cl.'.... 235/l50.2l, 123/32 EA, 235/150.l,

Int. Cl..... F02d 5/00, F02d 37/02, G05b 15/02 Field of Search. 235/150.2l, 150.1, 151,

235/l51.l; 123/32 EA References Cited UNITED STATES PATENTS Guiot.....' 123/32 EA 1 June 11, 1974 OTHER PUBLICATlONS Williams: Electronic Fuel Injection ReducesAutomotive Pollution. Electronics Sept. 1972 Vol. ,45 No. 19, p. 121-125.

Primary ExaminerFelix D. Gruber Attorney, Agent, 0r Firm-Cushman, Darby & Cushman 5 7] ABSTRACT An electrical fuel control system for internal combustion engines, wherein various data representing the operating conditions of an internal combustion engine are converted into digital signals which are operated on to generate such fuel controlling signals that suit the required characteristics of the engine, whereby the quantity of fuel injected as well as the spark timing are controlled to ensure the optimum amount of fuel injected and the optimum spark timing.

7 Claims, 88 Drawing Figures WU'NWNW A-D CONVERT- 1110, 1 ER GENERATOR I M VACUUM 1210 12110 I MEMORY msrm- COUNTER I I l BUTOR 1= 1 I 1120, i l 1510 1 ENGINE 1 OPERATIO- SPEED NAL CKT I 1 1 11 i OPERATIO- g i NAL CKT TEMP f 1230 1330 1 4520 a n; E i- 1 1720 1310B 1820B I611 015m- 1 1140, -MEMORY BUTOR COUNTER 1 1- TIMING' 1 t 1150- 1 ANGULAR L SENSOR 1920s. IGNITION 1 CLOCK SYSTEM 1920A SOLENOID VALVE PATENIEBJUH B 3 I914 INVENTORS VIsLIJE NM" 7 1" flnmd [fawn DI' 'M DER I dis dia

sum w 5 ATTORNEYQ' Pmmwwww mmm swim mw 5a I N VENTOR TTORNEYJ minimums" imam? sum r in HF 53 10 h r1112 1'2! 13 ram m 15 T51 is i'o INVENTORS H-Qud yam) Nero sen) Ami,

Citas de patentes
Patente citada Fecha de presentación Fecha de publicación Solicitante Título
US2918911 *2 Ene 195829 Dic 1959Weselco LtdDevice for injecting fluid into internal combustion engines
US2918913 *12 Jun 195729 Dic 1959Weselco LtdIgnition systems of internal combustion engines
US3272187 *8 Sep 196413 Sep 1966Ass Eng LtdFuel injection systems for internal combustion engines
US3440614 *18 Jul 196622 Abr 1969Int Standard Electric CorpInput linking device between analog functions and a numerical computer
US3548792 *11 Feb 196922 Dic 1970Judson G PalmerControl apparatus for internal-combustion engines
US3566846 *20 Feb 19692 Mar 1971Bosch Gmbh RobertElectronically controlled fuel injection arrangement for internal combustion engines
US3699935 *11 Dic 197024 Oct 1972Bosch Gmbh RobertFail-safe fuel injection control arrangement for internal combustion engines
CA851576A *18 Oct 196315 Sep 1970Guetta ArnoldAutomatic engine control system
DE1816068A1 *20 Dic 196814 Ago 1969Rolls RoyceVerfahren zur Steuerung von Produktions- oder Kraftmaschinenanlagen durch AEnderung eines Eingangsparameters der Anlage zwecks Treibens eines Ausgangsparameters der Anlage auf einen Optimalwert
Otras citas
Referencia
1 *Williams: Electronic Fuel Injection Reduces Automotive Pollution. Electronics Sept. 1972 Vol. 45 No. 19, p. 121 125.
Citada por
Patente citante Fecha de presentación Fecha de publicación Solicitante Título
US3895611 *12 Oct 197322 Jul 1975Nippon Denso CoAir-fuel ratio feedback type fuel injection system
US3898962 *31 May 197312 Ago 1975Bosch Gmbh RobertControl system and devices for internal combustion engines
US3906207 *10 May 197316 Sep 1975RenaultControl system of the analogue-digital-analogue type with a digital computer having multiple functions for an automobile vehicle
US3909601 *20 Mar 197430 Sep 1975Nippon Denso CoDigital type electronic control system
US3969614 *12 Dic 197313 Jul 1976Ford Motor CompanyMethod and apparatus for engine control
US3971348 *23 Abr 197527 Jul 1976International Harvester CompanyComputer means for sequential fuel injection
US3971354 *23 Jun 197527 Jul 1976The Bendix CorporationIncreasing warm up enrichment as a function of manifold absolute pressure
US4033272 *14 May 19755 Jul 1977The Bendix CorporationElectronic ignition timing system for an internal combustion engine
US4100891 *7 Ago 197418 Jul 1978Rockwell International CorporationElectronic fuel injection control system
US4107717 *17 Nov 197615 Ago 1978Robert Bosch GmbhMethod and apparatus for addressing a digital memory
US4121553 *7 Feb 197724 Oct 1978Nippondenso Co., Ltd.Electric ignition advance system
US4220125 *28 Mar 19782 Sep 1980Nippon Soken, Inc.Ignition timing control system for internal combustion engines
US4240388 *11 Sep 197823 Dic 1980Nippondenso Co., Ltd.Method for controlling timing of spark ignition for an internal combustion engine
US4268910 *14 Dic 197819 May 1981Nippondenso Co., Ltd.Method for controlling timing of spark ignition for an internal combustion engine by feedback related to the detection of knocking
US4274141 *18 Oct 197816 Jun 1981Hitachi, Ltd.Method and apparatus for controlling an internal combustion engine, particularly the starting up of the engine
US4277829 *18 Oct 19787 Jul 1981Hitachi, Ltd.Error preventing device for an electronic engine control apparatus
US4280189 *18 Oct 197821 Jul 1981Hitachi, Ltd.Input signal processor used in electronic engine control apparatus
US4282573 *18 Oct 19784 Ago 1981Hitachi, Ltd.Processor interrupt device for an electronic engine control apparatus
US4292941 *8 Ago 19806 Oct 1981Tokyo Shibaura Electric Co., Ltd.Electronic ignition control systems
US4296722 *26 Jul 197927 Oct 1981Hitachi, Ltd.Control apparatus for an internal combustion engine
US4310888 *13 Feb 197912 Ene 1982Hitachi, Ltd.Technique for controlling the starting operation of an electronic engine control apparatus
US4310889 *18 Oct 197812 Ene 1982Hitachi, Ltd.Apparatus for electronically controlling internal combustion engine
US4312038 *18 Oct 197819 Ene 1982Hitachi, Ltd.Electronic engine control apparatus having arrangement for detecting stopping of the engine
US4379332 *25 Sep 19785 Abr 1983The Bendix CorporationElectronic fuel injection control system for an internal combustion engine
US4383441 *20 Jul 198117 May 1983Ford Motor CompanyMethod for generating a table of engine calibration control values
US4393696 *20 Jul 198119 Jul 1983Ford Motor CompanyMethod for generating energy output signal
US6571774 *27 Sep 20013 Jun 2003Isuzu Motors LimitedEngine fuel-injection control device
US6834216 *13 Dic 200121 Dic 2004Freescale Semiconductor, Inc.Method and apparatus for the automatic synchronization of dynamic angular and time domain control systems
US687691723 Dic 20025 Abr 2005Polaris Industries Inc.Exhaust pipe heater
US703182512 Ene 200518 Abr 2006Polaris Industries Inc.Exhaust pipe heater
USRE31709 *18 Sep 198023 Oct 1984Lumenition LimitedIgnition systems for internal combustion engines
USRE32156 *16 Jun 198320 May 1986Hitachi, Ltd.Method and apparatus for controlling an internal combustion engine, particularly the starting up of the engine
USRE32163 *7 Jul 198327 May 1986Hitachi, Ltd.Error preventing device for an electronic engine control apparatus
USRE32286 *5 Ene 198411 Nov 1986Hitachi, Ltd.Apparatus for electronically controlling internal combustion engine
EP0114136A2 *12 Ene 198425 Jul 1984AlliedSignal Inc.Ignition timing control system
EP0114136A3 *12 Ene 19846 Mar 1985The Bendix CorporationIgnition timing control system
Clasificaciones
Clasificación de EE.UU.701/104, 701/105, 123/486
Clasificación internacionalF02D41/24, F02P5/15
Clasificación cooperativaY02T10/46, F02D41/28, F02P5/15
Clasificación europeaF02D41/28, F02P5/15