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ES408342A1 - Carburation devices for internal bombustion engines - Google Patents

Carburation devices for internal bombustion engines

Info

Publication number
ES408342A1
ES408342A1 ES408342A ES408342A ES408342A1 ES 408342 A1 ES408342 A1 ES 408342A1 ES 408342 A ES408342 A ES 408342A ES 408342 A ES408342 A ES 408342A ES 408342 A1 ES408342 A1 ES 408342A1
Authority
ES
Spain
Prior art keywords
fuel
organ
circuit
distributor
pressure
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
ES408342A
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 ES408342A1 publication Critical patent/ES408342A1/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
    • F02M1/00—Carburettors with means for facilitating engine's starting or its idling below operational temperatures
    • F02M1/04—Carburettors with means for facilitating engine's starting or its idling below operational temperatures the means to facilitate starting or idling being auxiliary carburetting apparatus able to be put into, and out of, operation, e.g. having automatically-operated disc valves
    • F02M1/046—Auxiliary carburetting apparatus controlled by piston valves
    • 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
    • F02M1/00—Carburettors with means for facilitating engine's starting or its idling below operational temperatures
    • F02M1/08—Carburettors with means for facilitating engine's starting or its idling below operational temperatures the means to facilitate starting or idling becoming operative or inoperative automatically
    • F02M1/10—Carburettors with means for facilitating engine's starting or its idling below operational temperatures the means to facilitate starting or idling becoming operative or inoperative automatically dependent on engine temperature, e.g. having thermostat
    • 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
    • F02M7/00—Carburettors with means for influencing, e.g. enriching or keeping constant, fuel/air ratio of charge under varying conditions
    • F02M7/12—Other installations, with moving parts, for influencing fuel/air ratio, e.g. having valves
    • F02M7/14—Other installations, with moving parts, for influencing fuel/air ratio, e.g. having valves with means for controlling cross-sectional area of fuel spray nozzle
    • F02M7/16—Other installations, with moving parts, for influencing fuel/air ratio, e.g. having valves with means for controlling cross-sectional area of fuel spray nozzle operated automatically, e.g. dependent on exhaust-gas analysis
    • F02M7/17—Other installations, with moving parts, for influencing fuel/air ratio, e.g. having valves with means for controlling cross-sectional area of fuel spray nozzle operated automatically, e.g. dependent on exhaust-gas analysis by a pneumatically adjustable piston-like element, e.g. constant depression carburettors

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Control Of Throttle Valves Provided In The Intake System Or In The Exhaust System (AREA)
  • Control Of The Air-Fuel Ratio Of Carburetors (AREA)
  • Means For Warming Up And Starting Carburetors (AREA)

Abstract

Improvements in the carburation devices, for internal combustion engines that present in their intake duct, upstream of the main throttle member actuated by the driver, an auxiliary throttle member that opens automatically and progressively as the flow rate increases. air that passes through said conduit and that sends a dosing organ that regulates the fuel flow from a fuel source at a pressure substantially equal to atmospheric pressure and that is admitted to said conduit under the effect of the depression that reigns between the two organs throttle, in such a way that the section of the air passage, determined by said auxiliary throttle member, and the section of the fuel passage determined by said dosing member, are substantially proportional and that the air and fuel thus supplied, under the same pressure difference, form, in normal operation, a appreciably constant mixture of richness, which carburation device also consists of a starting system that comprises a first fuel circuit that empties into the intake duct between its two throttle members and on which a controlled distributor is mounted, on the one hand, by a temperature-sensitive elastic organ that tends to open the distributor when the temperature drops and, on the other hand, by a pneumatic, pressure-sensitive organ that prevails in the intake duct downstream of the main throttle member, which tends to partially close the distributor when this last pressure falls below a certain value, characterized in that the starting system comprises a second fuel circuit controlled solely (that is, excluding the temperature-sensitive organ) by said organ tire so that it opens when the engine is stopped or dragged by the demarr é and closes it when the motor turns by itself, said second circuit also being arranged so as not to open more than if the first circuit is also open. (Machine-translation by Google Translate, not legally binding)
ES408342A 1971-12-17 1972-10-28 Carburation devices for internal bombustion engines Expired ES408342A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7145612A FR2165116A5 (en) 1971-12-17 1971-12-17

Publications (1)

Publication Number Publication Date
ES408342A1 true ES408342A1 (en) 1975-11-16

Family

ID=9087683

Family Applications (1)

Application Number Title Priority Date Filing Date
ES408342A Expired ES408342A1 (en) 1971-12-17 1972-10-28 Carburation devices for internal bombustion engines

Country Status (7)

Country Link
AR (1) AR195506A1 (en)
BR (1) BR7208074D0 (en)
DE (1) DE2202688C3 (en)
ES (1) ES408342A1 (en)
FR (1) FR2165116A5 (en)
GB (1) GB1412615A (en)
IT (1) IT966302B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2807888C3 (en) * 1978-02-24 1982-02-04 Pierburg Gmbh & Co Kg, 4040 Neuss Carburettors for internal combustion engines
JPS6054499B2 (en) * 1978-09-11 1985-11-30 トヨタ自動車株式会社 Variable bench lily type vaporizer

Also Published As

Publication number Publication date
GB1412615A (en) 1975-11-05
FR2165116A5 (en) 1973-08-03
DE2202688B2 (en) 1975-02-13
BR7208074D0 (en) 1973-09-18
AR195506A1 (en) 1973-10-15
IT966302B (en) 1974-02-11
DE2202688A1 (en) 1973-06-28
DE2202688C3 (en) 1975-09-25

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Legal Events

Date Code Title Description
FD1A Patent lapsed

Effective date: 19840121