GB1510459A - Multi-cylinder spark ignition internal combustion engine having means to limit fuel supply to half the cylinder - Google Patents

Multi-cylinder spark ignition internal combustion engine having means to limit fuel supply to half the cylinder

Info

Publication number
GB1510459A
GB1510459A GB2479574A GB2479574A GB1510459A GB 1510459 A GB1510459 A GB 1510459A GB 2479574 A GB2479574 A GB 2479574A GB 2479574 A GB2479574 A GB 2479574A GB 1510459 A GB1510459 A GB 1510459A
Authority
GB
United Kingdom
Prior art keywords
valve
cylinders
throttle valve
cylinder
fuel supply
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
GB2479574A
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.)
Rover Co Ltd
Original Assignee
Rover 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 Rover Co Ltd filed Critical Rover Co Ltd
Priority to GB2479574A priority Critical patent/GB1510459A/en
Publication of GB1510459A publication Critical patent/GB1510459A/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
    • F02D17/00—Controlling engines by cutting out individual cylinders; Rendering engines inoperative or idling
    • F02D17/02—Cutting-out
    • 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
    • F02M13/00—Arrangements of two or more separate carburettors; Carburettors using more than one fuel
    • F02M13/02—Separate carburettors

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Control Of The Air-Fuel Ratio Of Carburetors (AREA)

Abstract

1510459 Fuel supply to some cylinders only; plural carburetters BRITISH LEYLAND UK Ltd 4 June 1975 [4 June 1974] 24795/74 Headings F1B and F1H A spark ignition I.C. engine has a first group of cylinders 11-13 and a second group of cylinders 14-16 fed by respective carburetters 18, 20 by way of manifolds 17, 19 between which is connected a pressure balancing duct 21 having an isolating valve B to allow or prevent the pressure to be balanced between the manifolds. A valve A is provided whereby fuel bowl 27 of carburetter 20 can be connected to a source of vacuum to prevent flow of fuel to the second group of cylinders. Alternatively the flow is limited to a low value by throttle valve 23 until the opening of throttle valve 22 corresponds to a vehicle speed of 60 m.p.h. In operation, for vehicle speeds up to 60 m.p.h. valve B is closed and valve A is open and the fuel supply to cylinders 11-13 increases as throttle valve 22 is opened, throttle valve 23 remaining closed or almost closed. Above 60 m.p.h., valve B opens, valve A closes and throttle valve 23 opens progressively so that there is an increasing fuel flow-rate to the cylinders 14-16. A ventilation line 26 connects the carburetters to the engine crank-case to recycle crank-case gases.
GB2479574A 1975-06-04 1975-06-04 Multi-cylinder spark ignition internal combustion engine having means to limit fuel supply to half the cylinder Expired GB1510459A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB2479574A GB1510459A (en) 1975-06-04 1975-06-04 Multi-cylinder spark ignition internal combustion engine having means to limit fuel supply to half the cylinder

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2479574A GB1510459A (en) 1975-06-04 1975-06-04 Multi-cylinder spark ignition internal combustion engine having means to limit fuel supply to half the cylinder

Publications (1)

Publication Number Publication Date
GB1510459A true GB1510459A (en) 1978-05-10

Family

ID=10217349

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2479574A Expired GB1510459A (en) 1975-06-04 1975-06-04 Multi-cylinder spark ignition internal combustion engine having means to limit fuel supply to half the cylinder

Country Status (1)

Country Link
GB (1) GB1510459A (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2459883A1 (en) * 1979-06-22 1981-01-16 Nissan Motor INTERNAL COMBUSTION ENGINE
FR2463275A2 (en) * 1979-08-08 1981-02-20 Porsche Ag MULTICYLINDER INTERNAL COMBUSTION ENGINE IN PARTICULAR FOR MOTOR VEHICLES
FR2468746A1 (en) * 1979-10-30 1981-05-08 Nissan Motor INTERNAL COMBUSTION ENGINE OF DIVIDED TYPE
GB2138497A (en) * 1983-04-20 1984-10-24 Hino Motors Ltd Intake passages for inertia supercharging in multicylinder I C engines
EP2123870A1 (en) * 2008-05-21 2009-11-25 Honda Motor Co., Ltd. Blowby gas treatment system for multiple cylinder engine

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2459883A1 (en) * 1979-06-22 1981-01-16 Nissan Motor INTERNAL COMBUSTION ENGINE
FR2463275A2 (en) * 1979-08-08 1981-02-20 Porsche Ag MULTICYLINDER INTERNAL COMBUSTION ENGINE IN PARTICULAR FOR MOTOR VEHICLES
FR2468746A1 (en) * 1979-10-30 1981-05-08 Nissan Motor INTERNAL COMBUSTION ENGINE OF DIVIDED TYPE
GB2138497A (en) * 1983-04-20 1984-10-24 Hino Motors Ltd Intake passages for inertia supercharging in multicylinder I C engines
EP2123870A1 (en) * 2008-05-21 2009-11-25 Honda Motor Co., Ltd. Blowby gas treatment system for multiple cylinder engine
JP2009281247A (en) * 2008-05-21 2009-12-03 Honda Motor Co Ltd Blowby gas treatment system for multiple cylinder engine
US8127740B2 (en) 2008-05-21 2012-03-06 Honda Motor Co., Ltd. Blowby gas treatment system for multiple cylinder engine

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee