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GB1366045A - Internal combustion engine having an electronic valve control device - Google Patents

Internal combustion engine having an electronic valve control device

Info

Publication number
GB1366045A
GB1366045A GB3824472A GB3824472A GB1366045A GB 1366045 A GB1366045 A GB 1366045A GB 3824472 A GB3824472 A GB 3824472A GB 3824472 A GB3824472 A GB 3824472A GB 1366045 A GB1366045 A GB 1366045A
Authority
GB
United Kingdom
Prior art keywords
switch
engine
inlet
controlled
valves
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
GB3824472A
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.)
Dr Ing HCF Porsche AG
Original Assignee
Dr Ing HCF Porsche 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
Application filed by Dr Ing HCF Porsche AG filed Critical Dr Ing HCF Porsche AG
Publication of GB1366045A publication Critical patent/GB1366045A/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
    • F02D41/30—Controlling fuel injection
    • F02D41/32—Controlling fuel injection of the low pressure type
    • F02D41/36—Controlling fuel injection of the low pressure type with means for controlling distribution
    • F02D41/365—Controlling fuel injection of the low pressure type with means for controlling distribution with means for controlling timing and distribution

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Output Control And Ontrol Of Special Type Engine (AREA)
  • Valve Device For Special Equipments (AREA)

Abstract

1366045 Electromagnetic I C engine valve gear DR ING hcF PORSCHE A G 16 Aug 1972 [28 Sept 1971] 38244/72 Heading F1B [Also in Division G1] In an I.C. engine having inlet and exhaust valves arranged to be actuated by electromagnets which are controlled by a control pulse generator, driven in dependence upon engine speed, via a pulse distributor, the electromagnetic valves of a fuel injection installation are controlled in dependence upon the control pulses which control the inlet valves. As shown, the control pulse generator 3 is provided by a cam operated interrupter switch driven by the engine crank-shaft, although an inductive or a photo-electric pick-up may be used. The pulses are applied to an AND gate 9 and to a regulating switch 11 which provides a voltage inversely related to engine speed, a safety switch 13 being provided to enable AND gates 9 and 12 only when the engine speed exceeds a pre-set value. The distributor consists of a ring counter 10 which receives the control pulses and consists of a series of flip-flops 26-29, one for each engine cylinder. The electromagnets 20, 21, 25 of the inlet, exhaust and fuel injection valves respectively of one cylinder only are shown, each being controlled by a respective timing unit 15 consisting of two monostable switches. The switches 16, 18 determine the opening instant of the inlet and exhaust valves in dependence upon the pulse received from flip-flop 26 and the engine speed characterized by the voltage output of switch 11. The duration of opening of the inlet and exhaust valves is determined by the switches 17, 19. The switch 23 is connected to the output of the switch 16 to determine the opening instant of the fuel injection valve, the duration of injection being determined by a switch 24 which receives a voltage from a potentiometer 32 whose slides is controlled by the position of the induction choke valve 33 of the engine. The ring counter 10 and timing units 15 are preferably formed as an integrated circuit.
GB3824472A 1971-09-28 1972-08-16 Internal combustion engine having an electronic valve control device Expired GB1366045A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19712148310 DE2148310A1 (en) 1971-09-28 1971-09-28 ELECTRONIC VALVE CONTROL DEVICE, IN PARTICULAR FOR COMBUSTION MACHINERY OF VEHICLES

Publications (1)

Publication Number Publication Date
GB1366045A true GB1366045A (en) 1974-09-11

Family

ID=5820749

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3824472A Expired GB1366045A (en) 1971-09-28 1972-08-16 Internal combustion engine having an electronic valve control device

Country Status (4)

Country Link
DE (1) DE2148310A1 (en)
FR (1) FR2155262A5 (en)
GB (1) GB1366045A (en)
IT (1) IT963864B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2134596A (en) * 1983-02-04 1984-08-15 Fev Forsch Energietech Verbr Fresh charge intake quantity control in an internal combustion engine

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2343905C2 (en) * 1973-08-31 1982-10-07 Daimler-Benz Ag, 7000 Stuttgart Device for digital-electronic control of the inlet, outlet and injection valves as well as the ignition in internal combustion engines

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2134596A (en) * 1983-02-04 1984-08-15 Fev Forsch Energietech Verbr Fresh charge intake quantity control in an internal combustion engine

Also Published As

Publication number Publication date
DE2148310A1 (en) 1973-04-05
IT963864B (en) 1974-01-21
FR2155262A5 (en) 1973-05-18

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Legal Events

Date Code Title Description
PS Patent sealed
PLNP Patent lapsed through nonpayment of renewal fees