ES8705571A1 - 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.

Info

Publication number
ES8705571A1
ES8705571A1 ES556413A ES556413A ES8705571A1 ES 8705571 A1 ES8705571 A1 ES 8705571A1 ES 556413 A ES556413 A ES 556413A ES 556413 A ES556413 A ES 556413A ES 8705571 A1 ES8705571 A1 ES 8705571A1
Authority
ES
Spain
Prior art keywords
casing
electro
controlling
engine
motor vehicles
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.)
Expired
Application number
ES556413A
Other languages
Spanish (es)
Other versions
ES556413A0 (en
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.)
Filing date
Publication date
Application filed by Fiat Auto SpA filed Critical Fiat Auto SpA
Publication of ES8705571A1 publication Critical patent/ES8705571A1/en
Publication of ES556413A0 publication Critical patent/ES556413A0/en
Expired 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
    • F02D41/04—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)

Abstract

The apparatus comprises an electromagnet (3) for cutting off the fuel supply, controlled by a control device (7) for detecting the pressure in the induction manifold (5) of the engine. This control device (7) comprises a rigid casing (10) communicating with the induction manifold (5) of the engine, an electrical control switch (17, 18) for the electromagnet (3) having a movable control member (18) in the casing (10), an aneroid capsule (13) and a capsule (23) having a calibrated hole (24), disposed mechanically in series in the casing (10). These capsules (13, 23) cooperate with each other and act on the movable member (18) of the switch (17, 18) so that the movements of this member (18) are substantially equal to the sum of a first movement proportional to the absolute pressure in the casing (10) (and hence in the induction manifold), and a second movement substantially proportional to the temporal derivative of the pressure in the casing (10).
ES556413A 1985-07-12 1986-06-23 Electro-pneumatic apparatus with a combined derivative-proportional action for controlling the fuel flow in a carburettor engine for motor vehicles. Expired ES8705571A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
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 (2)

Publication Number Publication Date
ES8705571A1 true ES8705571A1 (en) 1987-05-01
ES556413A0 ES556413A0 (en) 1987-05-01

Family

ID=11304176

Family Applications (1)

Application Number Title Priority Date Filing Date
ES556413A Expired ES8705571A1 (en) 1985-07-12 1986-06-23 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

Family Cites Families (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
EP0209497A2 (en) 1987-01-21
EP0209497B1 (en) 1988-11-09
IT8567645A0 (en) 1985-07-12
DE3661149D1 (en) 1988-12-15
EP0209497A3 (en) 1987-03-25
ES556413A0 (en) 1987-05-01
IT1182512B (en) 1987-10-05
BR8603340A (en) 1987-02-24

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Legal Events

Date Code Title Description
FD1A Patent lapsed

Effective date: 19990301