GB1530511A - Combination of a fuel tank venting system and an air-fuel ratio control system of an internal combustion engine - Google Patents

Combination of a fuel tank venting system and an air-fuel ratio control system of an internal combustion engine

Info

Publication number
GB1530511A
GB1530511A GB1044976A GB1044976A GB1530511A GB 1530511 A GB1530511 A GB 1530511A GB 1044976 A GB1044976 A GB 1044976A GB 1044976 A GB1044976 A GB 1044976A GB 1530511 A GB1530511 A GB 1530511A
Authority
GB
United Kingdom
Prior art keywords
fuel
air
fuel ratio
valve
engine
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
GB1044976A
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.)
Nissan Motor Co Ltd
Original Assignee
Nissan Motor Co Ltd
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 Nissan Motor Co Ltd filed Critical Nissan Motor Co Ltd
Publication of GB1530511A publication Critical patent/GB1530511A/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
    • F02M25/00—Engine-pertinent apparatus for adding non-fuel substances or small quantities of secondary fuel to combustion-air, main fuel or fuel-air mixture
    • F02M25/08—Engine-pertinent apparatus for adding non-fuel substances or small quantities of secondary fuel to combustion-air, main fuel or fuel-air mixture adding fuel vapours drawn from engine fuel reservoir
    • F02M25/089—Layout of the fuel vapour installation
    • 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
    • F02D41/0025—Controlling engines characterised by use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures
    • F02D41/003—Adding fuel vapours, e.g. drawn from engine fuel reservoir
    • F02D41/0042—Controlling the combustible mixture as a function of the canister purging, e.g. control of injected fuel to compensate for deviation of air fuel ratio when purging
    • 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
    • F02M25/00—Engine-pertinent apparatus for adding non-fuel substances or small quantities of secondary fuel to combustion-air, main fuel or fuel-air mixture
    • F02M25/08—Engine-pertinent apparatus for adding non-fuel substances or small quantities of secondary fuel to combustion-air, main fuel or fuel-air mixture adding fuel vapours drawn from engine fuel reservoir
    • F02M25/0854—Details of the absorption canister

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Supplying Secondary Fuel Or The Like To Fuel, Air Or Fuel-Air Mixtures (AREA)
  • Electrical Control Of Air Or Fuel Supplied To Internal-Combustion Engine (AREA)
  • Control Of The Air-Fuel Ratio Of Carburetors (AREA)

Abstract

1530511 Treating IC engine charges NISSAN MOTOR CO Ltd 16 March 1976 [25 March 1975] 10449/76 Heading F1B A combination of a fuel tank venting system and an air/fuel ratio control system of an I.C. engine in which the fuel tank venting system comprises a liquid-fuel tank 30 and passage means 32, 32a, 70 through which fuel vapour from the tank is conducted, by suction, to an induction pipe 16 of the engine 10; and the air/fuel ratio control system comprises a mixture-forming device 22, sensing means 78 for sensing the overall air/fuel ratio of all air and fuel fed into the engine and control means 80, 26 comparing the sensed overall ratio with a desired air/fuel ratio and causing the device 22 to form a mixture having an air/fuel ratio such that the overall fuel ratio is equal to the desired fuel ratio. The combination maintains an overall stoichiometric ratio of air to fuel so that an exhaust gas reactor 28 which contains a three-way catalyst operates at maximum efficiency. Vapour from tank 30 is separated from fuel droplets in trap 36 and passes to canister 40 where it is absorbed in e.g. activated carbon 58. There is an air inlet port 50 and filter 44. Air and fuel vapour are drawn through an orifice 72 at a rate controlled by valve 60 which is actuated by flexible diaphragm 64, subject to the depression in duct 70 which opens into pipe 16 at a point which is upstream of throttle valve 24 when the valve is closed and is downstream of the valve when the valve is open. Mixture forming device 22 is a carburetter or fuel injection system and includes an air or fuel valve which is adjusted by an actuator 26, which responds to a signal generated by a comparator 80 in which a reference signal is compared with the output signal from exhaust gas sensor 78 which produces a signal representative of the amount of e.g. air in the exhaust gases.
GB1044976A 1975-03-25 1976-03-16 Combination of a fuel tank venting system and an air-fuel ratio control system of an internal combustion engine Expired GB1530511A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3577775A JPS51110130A (en) 1975-03-25 1975-03-25 Nainenkikanno taikiosenboshisochi

Publications (1)

Publication Number Publication Date
GB1530511A true GB1530511A (en) 1978-11-01

Family

ID=12451311

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1044976A Expired GB1530511A (en) 1975-03-25 1976-03-16 Combination of a fuel tank venting system and an air-fuel ratio control system of an internal combustion engine

Country Status (4)

Country Link
JP (1) JPS51110130A (en)
CA (1) CA1049348A (en)
DE (1) DE2612300A1 (en)
GB (1) GB1530511A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2044848A (en) * 1979-03-08 1980-10-22 Nissan Motor Regulating vapour flow from an ic engine fuel vapour absorbing canister
GB2184266A (en) * 1985-12-11 1987-06-17 Fuji Heavy Ind Ltd Air-fuel ratio control system for automotive engines

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6033316Y2 (en) * 1980-09-16 1985-10-04 トヨタ自動車株式会社 Fuel vapor purge device
DE3124956C1 (en) * 1981-06-25 1983-01-27 Bayerische Motoren Werke AG, 8000 München System for venting the evaporation gases from the fuel tank of a motor vehicle
JPS6176734A (en) * 1984-09-19 1986-04-19 Mazda Motor Corp Atmospheric pollution prevention device of engine
DE3502573C3 (en) * 1985-01-26 2002-04-25 Bosch Gmbh Robert Device for venting fuel tanks
DE3519292A1 (en) * 1985-05-30 1986-12-04 Robert Bosch Gmbh, 7000 Stuttgart DISPENSING SYSTEM FOR INITIATING VAPORIZED FUEL INTO AN INTERNAL COMBUSTION ENGINE
JPH073211B2 (en) * 1985-07-17 1995-01-18 日本電装株式会社 Fuel evaporative emission control device
DE4430971A1 (en) 1994-08-31 1996-03-07 Bayerische Motoren Werke Ag Method and device for supplying fuel vapor into an intake manifold of an internal combustion engine in motor vehicles
US8632051B2 (en) 2011-10-14 2014-01-21 Firma SVM Schultz Verwaltungs-GmbH & Co. KB Solenoid

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2044848A (en) * 1979-03-08 1980-10-22 Nissan Motor Regulating vapour flow from an ic engine fuel vapour absorbing canister
US4318383A (en) * 1979-03-08 1982-03-09 Nissan Motor Company, Limited Vapor fuel purge system for an automotive vehicle
GB2184266A (en) * 1985-12-11 1987-06-17 Fuji Heavy Ind Ltd Air-fuel ratio control system for automotive engines
GB2184266B (en) * 1985-12-11 1990-04-04 Fuji Heavy Ind Ltd Air-fuel ratio control system for automotive engines

Also Published As

Publication number Publication date
DE2612300A1 (en) 1976-10-07
CA1049348A (en) 1979-02-27
JPS51110130A (en) 1976-09-29

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Legal Events

Date Code Title Description
PS Patent sealed
746 Register noted 'licences of right' (sect. 46/1977)
PCNP Patent ceased through non-payment of renewal fee