ES402855A1 - Fuel feed devices for internal combustion engines - Google Patents

Fuel feed devices for internal combustion engines

Info

Publication number
ES402855A1
ES402855A1 ES402855A ES402855A ES402855A1 ES 402855 A1 ES402855 A1 ES 402855A1 ES 402855 A ES402855 A ES 402855A ES 402855 A ES402855 A ES 402855A ES 402855 A1 ES402855 A1 ES 402855A1
Authority
ES
Spain
Prior art keywords
pressure
action
regulator
under
hand
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
ES402855A
Other languages
Spanish (es)
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.)
Societe Industrielle de Brevets et dEtudes SIBE
Original Assignee
Societe Industrielle de Brevets et dEtudes SIBE
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 Societe Industrielle de Brevets et dEtudes SIBE filed Critical Societe Industrielle de Brevets et dEtudes SIBE
Publication of ES402855A1 publication Critical patent/ES402855A1/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
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M69/00—Low-pressure fuel-injection apparatus ; Apparatus with both continuous and intermittent injection; Apparatus injecting different types of fuel
    • F02M69/30—Low-pressure fuel-injection apparatus ; Apparatus with both continuous and intermittent injection; Apparatus injecting different types of fuel characterised by means for facilitating the starting-up or idling of engines or by means for enriching fuel charge, e.g. below operational temperatures or upon high power demand of engines
    • F02M69/36—Low-pressure fuel-injection apparatus ; Apparatus with both continuous and intermittent injection; Apparatus injecting different types of fuel characterised by means for facilitating the starting-up or idling of engines or by means for enriching fuel charge, e.g. below operational temperatures or upon high power demand of engines having an enrichment mechanism modifying fuel flow to injectors, e.g. by acting on the fuel metering device or on the valves throttling fuel passages to injection nozzles or overflow passages
    • F02M69/42—Low-pressure fuel-injection apparatus ; Apparatus with both continuous and intermittent injection; Apparatus injecting different types of fuel characterised by means for facilitating the starting-up or idling of engines or by means for enriching fuel charge, e.g. below operational temperatures or upon high power demand of engines having an enrichment mechanism modifying fuel flow to injectors, e.g. by acting on the fuel metering device or on the valves throttling fuel passages to injection nozzles or overflow passages using other means than variable fluid pressure, e.g. acting on the fuel metering device mechanically or electrically

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Fuel-Injection Apparatus (AREA)
  • Electrical Control Of Air Or Fuel Supplied To Internal-Combustion Engine (AREA)

Abstract

Improvements in fuel supply devices for internal combustion engines, which have, on the one hand, in their intake duct, upstream of a main throttle member actuated by the driver, an auxiliary throttle member that opens automatically and progressively as the air flow in said duct increases, on the other hand, a source of fuel under pressure whose drive circuit, which empties into the part of the intake duct located downstream of the main throttle member, is controlled by at least by a valve actuated by an electromagnet and, finally, by a dosing system that, provided with a rotating member capable of being moved with a continuous rotational movement, is capable of sending this electromagnet at least one signal of excitation for a fraction of each turn of said rotary member which is adjusted by this and system, this system being arranged so that said fraction increases as the opening of the auxiliary throttle member increases and vice versa, said fuel source under pressure being constituted by a fuel pump in whose drive circuit a first regulator of pressure comprising a discharge valve that tends to open towards a discharge space under the action of the pump's delivery pressure and to close under the action of the depression that prevails in the section of the intake duct between its two throttling, characterized in that the pump drive circuit (13) has, upstream of the first pressure regulator (17), a second pressure regulator (21) comprising, on the one hand, a discharge valve (27) which tends to open towards the first regulator (17) under the action of the impulsion pressure of the pump (13) and to close under the action of means elastics (29) and, on the other hand, a channel (37) that surrounds this latter discharge valve (27) and controlled by means (38-43, 51) subjected in such a way to the command of the engine starter that this channel (37) is closed when the starter is in action, thanks to which the second regulator (21) then intervenes only to increase the injection pressure. (Machine-translation by Google Translate, not legally binding)
ES402855A 1971-09-07 1972-04-25 Fuel feed devices for internal combustion engines Expired ES402855A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7132217A FR2151627A5 (en) 1971-09-07 1971-09-07

Publications (1)

Publication Number Publication Date
ES402855A1 true ES402855A1 (en) 1975-04-16

Family

ID=9082591

Family Applications (1)

Application Number Title Priority Date Filing Date
ES402855A Expired ES402855A1 (en) 1971-09-07 1972-04-25 Fuel feed devices for internal combustion engines

Country Status (7)

Country Link
JP (1) JPS5025975B2 (en)
BR (1) BR7203704D0 (en)
DE (1) DE2220269C3 (en)
ES (1) ES402855A1 (en)
FR (1) FR2151627A5 (en)
GB (1) GB1355921A (en)
IT (1) IT957783B (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5226285B2 (en) * 1973-08-11 1977-07-13
IT1021083B (en) * 1974-07-16 1978-01-30 Alfa Romeo Spa ELECTRONIC INDIRECT PETROL INJECTION SYSTEM FOR OTTO CYCLE ENGINES
JPS52148729A (en) * 1976-06-03 1977-12-10 Ntn Toyo Bearing Co Ltd Fuel injector
JPS54130369A (en) * 1978-03-29 1979-10-09 Nippon Carbide Ind Co Ltd Vermin eliminator and method of eliminating vermin using the same
US4404944A (en) * 1980-08-07 1983-09-20 Nissan Motor Co., Ltd. Fuel supply system for an injection-type internal combustion engine

Also Published As

Publication number Publication date
DE2220269C3 (en) 1974-08-29
IT957783B (en) 1973-10-20
FR2151627A5 (en) 1973-04-20
BR7203704D0 (en) 1973-08-30
DE2220269A1 (en) 1973-03-15
GB1355921A (en) 1974-06-12
DE2220269B2 (en) 1974-01-31
JPS4835230A (en) 1973-05-24
JPS5025975B2 (en) 1975-08-28

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