EP0427087A3 - Conversion kit for otto engines - Google Patents

Conversion kit for otto engines Download PDF

Info

Publication number
EP0427087A3
EP0427087A3 EP19900120767 EP90120767A EP0427087A3 EP 0427087 A3 EP0427087 A3 EP 0427087A3 EP 19900120767 EP19900120767 EP 19900120767 EP 90120767 A EP90120767 A EP 90120767A EP 0427087 A3 EP0427087 A3 EP 0427087A3
Authority
EP
European Patent Office
Prior art keywords
conversion kit
otto engines
otto
engines
kit
Prior art date
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
EP19900120767
Other languages
German (de)
Other versions
EP0427087A2 (en
EP0427087B1 (en
Inventor
Kurt Gutmann
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.)
Gutmann Messtechnik AG
Original Assignee
Gutmann Messtechnik AG
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.)
Filing date
Publication date
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=25886776&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP0427087(A3) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Gutmann Messtechnik AG filed Critical Gutmann Messtechnik AG
Publication of EP0427087A2 publication Critical patent/EP0427087A2/en
Publication of EP0427087A3 publication Critical patent/EP0427087A3/en
Application granted granted Critical
Publication of EP0427087B1 publication Critical patent/EP0427087B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

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
    • F02D41/14—Introducing closed-loop corrections
    • F02D41/1438—Introducing closed-loop corrections using means for determining characteristics of the combustion gases; Sensors therefor
    • F02D41/1444—Introducing closed-loop corrections using means for determining characteristics of the combustion gases; Sensors therefor characterised by the characteristics of the combustion gases
    • F02D41/1446—Introducing closed-loop corrections using means for determining characteristics of the combustion gases; Sensors therefor characterised by the characteristics of the combustion gases the characteristics being exhaust temperatures
    • 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
    • F02D41/266—Electrical control of supply of combustible mixture or its constituents characterised by the use of digital means using computer, e.g. microprocessor the computer being backed-up or assisted by another circuit, e.g. analogue
    • 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
    • F02D41/30—Controlling fuel injection
    • F02D41/3005—Details not otherwise provided for
    • 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
    • F02D2400/11—After-sales modification devices designed to be used to modify an engine afterwards
EP90120767A 1989-11-04 1990-10-30 Conversion kit for otto engines Expired - Lifetime EP0427087B1 (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DE3936820 1989-11-04
DE3936820 1989-11-04
DE4001334A DE4001334A1 (en) 1989-11-04 1990-01-18 RETROFIT KIT FOR OTTO ENGINES
DE4001334 1990-01-18

Publications (3)

Publication Number Publication Date
EP0427087A2 EP0427087A2 (en) 1991-05-15
EP0427087A3 true EP0427087A3 (en) 1991-11-06
EP0427087B1 EP0427087B1 (en) 1993-04-07

Family

ID=25886776

Family Applications (1)

Application Number Title Priority Date Filing Date
EP90120767A Expired - Lifetime EP0427087B1 (en) 1989-11-04 1990-10-30 Conversion kit for otto engines

Country Status (2)

Country Link
EP (1) EP0427087B1 (en)
DE (2) DE4001334A1 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4120891A1 (en) * 1991-06-25 1993-01-07 Bayerische Motoren Werke Ag Combustion engine pumping fresh air into exhaust system - is checked for correct exhaust treatment function by direct or indirect measurement of pump power consumption
DE19633681C2 (en) * 1996-08-21 2001-11-29 Udo Schol Lambda-controlled additional mixture generator for G-Kat retrofitting of internal combustion engines
TJ326B (en) 1997-11-30 2001-12-24 Wissenschaftliche Werkstatt Fu Measurement of contaminant components in exhaust gas and reduction of excessive contaminant emissions during cold starts and while driving
DE102006015509B3 (en) * 2006-03-31 2007-08-23 Avg Gmbh Retrofitting module for motor vehicles, has regulated catalyzer locking to Lambda-Sonde and motor control device of vehicle, where regulated catalyzer has medium to raise lambda value, with which engine of vehicle is operated

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2431559A1 (en) * 1973-08-11 1975-07-03 Nippon Denso Co ELECTRONICALLY CONTROLLED FUEL INJECTION SYSTEM
FR2263384A1 (en) * 1974-03-06 1975-10-03 Sopromi Soc Proc Modern Inject Correction cct. for engine fuel injection system - varies duration of injection time according to exhaust oxygen content

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2202614A1 (en) * 1972-01-20 1973-08-02 Bosch Gmbh Robert EXHAUST GAS AFTER-COMBUSTION DEVICE
JPS602510B2 (en) * 1977-09-21 1985-01-22 株式会社日立製作所 Control device for actuator for automobile control
JPS5510055A (en) * 1978-07-10 1980-01-24 Toyota Motor Corp Hc release controlling apparatus for catalyst loading car at cold
JPS5510081A (en) * 1978-07-10 1980-01-24 Toyota Motor Corp Collecting and purging device of fuel vapor in engine
JPS58133446A (en) * 1982-02-02 1983-08-09 Meidensha Electric Mfg Co Ltd Intake air pressure controller of engine
DE3511997A1 (en) * 1985-04-02 1986-10-09 Volkswagen AG, 3180 Wolfsburg Arrangement for vehicles, especially passenger motor vehicles
JPS62159748A (en) * 1986-01-08 1987-07-15 Fuji Heavy Ind Ltd Exhaust gas temperature rise preventing system
JPH0799110B2 (en) * 1987-08-17 1995-10-25 本田技研工業株式会社 Air-fuel ratio feedback control method for internal combustion engine
DE3800088A1 (en) * 1988-01-05 1989-07-13 Vdo Schindling METHOD FOR IMPROVING THE EXHAUST GAS BEHAVIOR OF OTTO ENGINES
DE3807999A1 (en) * 1988-03-10 1989-09-21 Voest Alpine Automotive ELECTRONIC REGULATOR FOR MOTOR VEHICLES WITH INTERNAL COMBUSTION ENGINES

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2431559A1 (en) * 1973-08-11 1975-07-03 Nippon Denso Co ELECTRONICALLY CONTROLLED FUEL INJECTION SYSTEM
FR2263384A1 (en) * 1974-03-06 1975-10-03 Sopromi Soc Proc Modern Inject Correction cct. for engine fuel injection system - varies duration of injection time according to exhaust oxygen content

Non-Patent Citations (5)

* Cited by examiner, † Cited by third party
Title
PATENT ABSTRACTS OF JAPAN, Band 11, Nr. 392 (M-653), 22. Dezember 1987; & JP-A-62 159 748 (FUJI) 15-07-1987 *
PATENT ABSTRACTS OF JAPAN, Band 3, Nr. 69 (M-062), 14. Juni 1979; & JP-A-54 047 014 (HITACHI) 13-04-1979 *
PATENT ABSTRACTS OF JAPAN, Band 4, Nr. 37 (M-004), 27. März 1980; & JP-A-55 010 055 (TOYOTA) 24-01-1980 *
PATENT ABSTRACTS OF JAPAN, Band 4, Nr. 37 (M-004), 27. März 1980; & JP-A-55 010 081 (TOYOTA) 24-01-1980 *
PATENT ABSTRACTS OF JAPAN, Band 7, Nr. 246 (M-253), 2. November 1983; & JP-A-58 133 446 (MEIDENSHA) 09-08-1983 *

Also Published As

Publication number Publication date
EP0427087A2 (en) 1991-05-15
DE4001334A1 (en) 1991-05-08
DE59001169D1 (en) 1993-05-13
EP0427087B1 (en) 1993-04-07

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