EP0209497A3 - Electro-pneumatic apparatus with a combined derivative-proportional action for controlling the fuel flow in a carburettor engine for motor vehicles - Google Patents

Electro-pneumatic apparatus with a combined derivative-proportional action for controlling the fuel flow in a carburettor engine for motor vehicles Download PDF

Info

Publication number: EP0209497A3
Authority: EP; European Patent Office
Prior art keywords: electro; controlling; motor vehicles; fuel flow; pneumatic apparatus
Prior art date: 1985-07-12
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.): Granted

Application number

EP86830187A

Other versions

EP0209497B1 (en

EP0209497A2 (en

Inventor

Vittorio Di Nunzio

Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)

Fiat Auto SpA

Original Assignee

Fiat Auto SpA

Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)

1985-07-12

Filing date

1986-07-02

Publication date

1987-03-25

1986-07-02 Application filed by Fiat Auto SpA filed Critical Fiat Auto SpA

1987-01-21 Publication of EP0209497A2 publication Critical patent/EP0209497A2/en

1987-03-25 Publication of EP0209497A3 publication Critical patent/EP0209497A3/en

1988-11-09 Application granted granted Critical

1988-11-09 Publication of EP0209497B1 publication Critical patent/EP0209497B1/en

Status Expired legal-status Critical Current

Classifications

- 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
- F02D41/24—Electrical control of supply of combustible mixture or its constituents characterised by the use of digital means
- F02D41/26—Electrical control of supply of combustible mixture or its constituents characterised by the use of digital means using computer, e.g. microprocessor
- F02D41/28—Interface circuits
- 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
- F02D41/02—Circuit arrangements for generating control signals
- F02D41/04—Introducing corrections for particular operating conditions
- F02D41/12—Introducing corrections for particular operating conditions for deceleration
- F02D41/123—Introducing corrections for particular operating conditions for deceleration the fuel injection being cut-off

Landscapes

Engineering & Computer Science (AREA)
Chemical & Material Sciences (AREA)
Combustion & Propulsion (AREA)
Mechanical Engineering (AREA)
General Engineering & Computer Science (AREA)
Computer Hardware Design (AREA)
Microelectronics & Electronic Packaging (AREA)
Control Of The Air-Fuel Ratio Of Carburetors (AREA)
Electrical Control Of Air Or Fuel Supplied To Internal-Combustion Engine (AREA)

EP86830187A 1985-07-12 1986-07-02 Electro-pneumatic apparatus with a combined derivative-proportional action for controlling the fuel flow in a carburettor engine for motor vehicles Expired EP0209497B1 (en)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
IT6764585		1985-07-12
IT67645/85A IT1182512B (en)	1985-07-12	1985-07-12	PROPORTIONAL COMBINED ACTION DERIVATIVE ELECTRO-PNEUMATIC DEVICE FOR THE CONTROL OF THE FUEL FLOW IN A CARBURETOR ENGINE FOR MOTOR VEHICLES

Publications (3)

Publication Number	Publication Date
EP0209497A2 EP0209497A2 (en)	1987-01-21
EP0209497A3 true EP0209497A3 (en)	1987-03-25
EP0209497B1 EP0209497B1 (en)	1988-11-09

Family

ID=11304176

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
EP86830187A Expired EP0209497B1 (en)	1985-07-12	1986-07-02	Electro-pneumatic apparatus with a combined derivative-proportional action for controlling the fuel flow in a carburettor engine for motor vehicles

Country Status (5)

Country	Link
EP (1)	EP0209497B1 (en)
BR (1)	BR8603340A (en)
DE (1)	DE3661149D1 (en)
ES (1)	ES8705571A1 (en)
IT (1)	IT1182512B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE3836556A1 (en) *	1988-10-27	1990-05-03	Bayerische Motoren Werke Ag	Method for adjustment of the mixture control in internal combustion engines
US5771861A (en) *	1996-07-01	1998-06-30	Cummins Engine Company, Inc.	Apparatus and method for accurately controlling fuel injection flow rate

Citations (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US2856167A (en) *	1956-04-05	1958-10-14	Holley Carburetor Co	Electrically actuated fuel shut-off apparatus
US2933168A (en) *	1957-08-23	1960-04-19	William E Leibing	Deceleration controlled fuel shut-off means
US3161741A (en) *	1961-01-19	1964-12-15	Jr Robert D Wren	Altitude compensator for vacuum control of idling valve
FR1461577A (en) *	1965-10-25	1966-02-25	Sibe	Improvements in fuel supply devices for internal combustion engines

1985
- 1985-07-12 IT IT67645/85A patent/IT1182512B/en active
1986
- 1986-06-23 ES ES556413A patent/ES8705571A1/en not_active Expired
- 1986-07-02 EP EP86830187A patent/EP0209497B1/en not_active Expired
- 1986-07-02 DE DE8686830187T patent/DE3661149D1/en not_active Expired
- 1986-07-10 BR BR8603340A patent/BR8603340A/en not_active IP Right Cessation

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US2856167A (en) *	1956-04-05	1958-10-14	Holley Carburetor Co	Electrically actuated fuel shut-off apparatus
US2933168A (en) *	1957-08-23	1960-04-19	William E Leibing	Deceleration controlled fuel shut-off means
US3161741A (en) *	1961-01-19	1964-12-15	Jr Robert D Wren	Altitude compensator for vacuum control of idling valve
FR1461577A (en) *	1965-10-25	1966-02-25	Sibe	Improvements in fuel supply devices for internal combustion engines

Also Published As

Publication number	Publication date
DE3661149D1 (en)	1988-12-15
ES556413A0 (en)	1987-05-01
IT1182512B (en)	1987-10-05
EP0209497B1 (en)	1988-11-09
EP0209497A2 (en)	1987-01-21
IT8567645A0 (en)	1985-07-12
ES8705571A1 (en)	1987-05-01
BR8603340A (en)	1987-02-24

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Legal Events

Date	Code	Title	Description
1986-12-06	PUAI	Public reference made under article 153(3) epc to a published international application that has entered the european phase	Free format text: ORIGINAL CODE: 0009012
1987-01-21	AK	Designated contracting states	Kind code of ref document: A2 Designated state(s): DE FR GB
1987-02-03	PUAL	Search report despatched	Free format text: ORIGINAL CODE: 0009013
1987-03-25	AK	Designated contracting states	Kind code of ref document: A3 Designated state(s): DE FR GB
1987-05-20	17P	Request for examination filed	Effective date: 19870320
1987-09-09	17Q	First examination report despatched	Effective date: 19870722
1988-09-24	GRAA	(expected) grant	Free format text: ORIGINAL CODE: 0009210
1988-11-09	AK	Designated contracting states	Kind code of ref document: B1 Designated state(s): DE FR GB
1988-12-15	REF	Corresponds to:	Ref document number: 3661149 Country of ref document: DE Date of ref document: 19881215
1988-12-16	ET	Fr: translation filed
1989-09-13	PLBE	No opposition filed within time limit	Free format text: ORIGINAL CODE: 0009261
1989-09-13	STAA	Information on the status of an ep patent application or granted ep patent	Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT
1989-11-02	26N	No opposition filed
1993-06-15	PGFP	Annual fee paid to national office [announced via postgrant information from national office to epo]	Ref country code: GB Payment date: 19930615 Year of fee payment: 8
1993-06-21	PGFP	Annual fee paid to national office [announced via postgrant information from national office to epo]	Ref country code: DE Payment date: 19930621 Year of fee payment: 8
1993-07-30	PGFP	Annual fee paid to national office [announced via postgrant information from national office to epo]	Ref country code: FR Payment date: 19930730 Year of fee payment: 8
1994-07-02	PG25	Lapsed in a contracting state [announced via postgrant information from national office to epo]	Ref country code: GB Effective date: 19940702
1995-03-01	GBPC	Gb: european patent ceased through non-payment of renewal fee	Effective date: 19940702
1995-03-31	PG25	Lapsed in a contracting state [announced via postgrant information from national office to epo]	Ref country code: FR Effective date: 19950331
1995-04-01	PG25	Lapsed in a contracting state [announced via postgrant information from national office to epo]	Ref country code: DE Effective date: 19950401
1995-05-24	REG	Reference to a national code	Ref country code: FR Ref legal event code: ST