GB1252129A - - Google Patents

Info

Publication number
GB1252129A
GB1252129A GB1252129DA GB1252129A GB 1252129 A GB1252129 A GB 1252129A GB 1252129D A GB1252129D A GB 1252129DA GB 1252129 A GB1252129 A GB 1252129A
Authority
GB
United Kingdom
Prior art keywords
injection
lines
speed
engine
pulses
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
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 filed Critical
Publication of GB1252129A publication Critical patent/GB1252129A/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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D29/00—Controlling engines, such controlling being peculiar to the devices driven thereby, the devices being other than parts or accessories essential to engine operation, e.g. controlling of engines by signals external thereto
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D2700/00—Mechanical control of speed or power of a single cylinder piston engine
    • F02D2700/07—Automatic control systems according to one of the preceding groups in combination with control of the mechanism receiving the engine power

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Electrical Control Of Air Or Fuel Supplied To Internal-Combustion Engine (AREA)
  • Combined Controls Of Internal Combustion Engines (AREA)

Abstract

1,252,129. Controlling fuel injection photoelectrically. SOC DES PROCEDES MODERNES D'INJECTION SOPROMI. Nov. 11, 1968 [Nov. 27, 1967], No.53388/ 68. Heading G1A. [Also in Division F1] The duration of fuel injection to an internal combustion engine is controlled by rectangular pulses produced by a frequency discriminator receiving pulses from a pulse generator dependent upon engine speed and throttle setting. The pulse generator comprises a transparent cylinder 1 with opaque lines 3 thereon driven by a shaft 4 from the engine. A light or infrared source 18 and a detector 19 are linked to the accelerator to co-operate with different axial points on cylinder 1 for different accelerator settings. The frequency discriminator provides an output so long as the frequency of the pulses from detector 19 is above a threshold level so, to provide constant injection periods independently of speed, the spacing of lines 3 would have to increase hyperbolicly, but in practice empirical deviations are made from this law to achieve optimum operation. A graphical method of constructing the lines 3 using desired injection duration/speed curves is described.
GB1252129D 1967-11-27 1968-11-11 Expired GB1252129A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR129744 1967-11-27

Publications (1)

Publication Number Publication Date
GB1252129A true GB1252129A (en) 1971-11-03

Family

ID=8642292

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1252129D Expired GB1252129A (en) 1967-11-27 1968-11-11

Country Status (7)

Country Link
US (1) US3720193A (en)
BR (1) BR6804350D0 (en)
DE (1) DE1811020C3 (en)
ES (2) ES360393A1 (en)
FR (1) FR1567948A (en)
GB (1) GB1252129A (en)
SE (1) SE344613B (en)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1202211B (en) * 1960-11-10 1965-09-30 Otto Haensel Ges Mit Beschraen Candy wrapping machine
GB1311479A (en) * 1969-09-17 1973-03-28 Lucas Industries Ltd Petrol injection systems for internal combustion engines
DE2014633C2 (en) * 1970-03-26 1983-11-10 Robert Bosch Gmbh, 7000 Stuttgart Device for controlling the mixture fed to an externally ignited internal combustion engine
US3835821A (en) * 1970-09-04 1974-09-17 Lucas Industries Ltd Petrol injection systems for internal combustion engines
GB1435098A (en) * 1972-05-13 1976-05-12 Lucas Electrical Ltd Fuel supply systems for internal combustion engines
DE2226949C3 (en) * 1972-06-02 1981-10-01 Robert Bosch Gmbh, 7000 Stuttgart Control device for an operating parameter of an internal combustion engine, in particular for determining a fuel metering signal
DE2251167C3 (en) * 1972-10-19 1986-07-31 Robert Bosch Gmbh, 7000 Stuttgart Device for exhaust gas detoxification from internal combustion engines
DE2346333C2 (en) * 1973-09-14 1985-02-14 Robert Bosch Gmbh, 7000 Stuttgart Digital circuit arrangement for determining parameter-dependent numerical values
DE2458946C2 (en) * 1974-12-12 1983-02-17 Siemens AG, 1000 Berlin und 8000 München Optical analog read-only memory
IT1063319B (en) * 1976-05-19 1985-02-11 Alfa Romeo Spa POTENTIOMETRIC REGULATOR OF A PHYSICAL SIZE THAT IS A FUNCTION ANY OF TWO OTHER INDEPENDENT PHYSICAL SIZES
US4385596A (en) * 1979-07-19 1983-05-31 Nissan Motor Company, Limited Fuel supply control system for an internal combustion engine
US4488530A (en) * 1983-02-22 1984-12-18 Isadore Turetsky Controlling and switching mechanism
DE102009054470A1 (en) * 2009-12-10 2011-06-16 Robert Bosch Gmbh Method for operating at least one injection nozzle of an internal combustion engine

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2856910A (en) * 1956-04-23 1958-10-21 Acf Ind Inc Fuel injection system
FR1485621A (en) * 1966-04-13 1967-06-23 Enhancements to electronic injector devices and injectors used with these devices
DE1526505A1 (en) * 1966-11-11 1970-04-16 Bosch Gmbh Robert Fuel injection system

Also Published As

Publication number Publication date
SE344613B (en) 1972-04-24
DE1811020B2 (en) 1977-12-22
FR1567948A (en) 1969-05-23
DE1811020C3 (en) 1978-08-24
BR6804350D0 (en) 1973-06-12
DE1811020A1 (en) 1969-07-10
ES360758A1 (en) 1970-07-16
US3720193A (en) 1973-03-13
ES360393A1 (en) 1970-07-01

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee