US3911063A - Variable throat venturi apparatus for mixing and modulating liquid fuel and intake air to an internal combustion engine - Google Patents

Variable throat venturi apparatus for mixing and modulating liquid fuel and intake air to an internal combustion engine Download PDF

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Publication number
US3911063A
US3911063A US489671A US48967174A US3911063A US 3911063 A US3911063 A US 3911063A US 489671 A US489671 A US 489671A US 48967174 A US48967174 A US 48967174A US 3911063 A US3911063 A US 3911063A
Authority
US
United States
Prior art keywords
passage
liquid fuel
plane
throat
intake air
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 - Lifetime
Application number
US489671A
Other languages
English (en)
Inventor
Jr Casper William Barnes
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.)
Dresser Industries Inc
Original Assignee
Dresser Industries Inc
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 Dresser Industries Inc filed Critical Dresser Industries Inc
Priority to US489671A priority Critical patent/US3911063A/en
Priority to CA228,485A priority patent/CA1028585A/en
Priority to GB25613/75A priority patent/GB1513884A/en
Priority to IT50439/75A priority patent/IT1040876B/it
Priority to BE158393A priority patent/BE831475A/xx
Application granted granted Critical
Publication of US3911063A publication Critical patent/US3911063A/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • F02M9/00—Carburettors having air or fuel-air mixture passage throttling valves other than of butterfly type; Carburettors having fuel-air mixing chambers of variable shape or position
    • F02M9/10—Carburettors having air or fuel-air mixture passage throttling valves other than of butterfly type; Carburettors having fuel-air mixing chambers of variable shape or position having valves, or like controls, of elastic-wall type for controlling the passage, or for varying cross-sectional area, of fuel-air mixing chambers or of the entry passage
    • F02M9/103—Mechanical control
    • 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
    • F02M19/00—Details, component parts, or accessories of carburettors, not provided for in, or of interest apart from, the apparatus of groups F02M1/00 - F02M17/00
    • F02M19/08—Venturis
    • F02M19/081—Shape of venturis or cross-section of mixture passages being adjustable
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B1/00—Engines characterised by fuel-air mixture compression
    • F02B1/02—Engines characterised by fuel-air mixture compression with positive ignition
    • F02B1/04—Engines characterised by fuel-air mixture compression with positive ignition with fuel-air mixture admission into cylinder
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S261/00—Gas and liquid contact apparatus
    • Y10S261/56—Variable venturi
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S261/00—Gas and liquid contact apparatus
    • Y10S261/78—Sonic flow

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Output Control And Ontrol Of Special Type Engine (AREA)
  • Multiple-Way Valves (AREA)
US489671A 1974-07-18 1974-07-18 Variable throat venturi apparatus for mixing and modulating liquid fuel and intake air to an internal combustion engine Expired - Lifetime US3911063A (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
US489671A US3911063A (en) 1974-07-18 1974-07-18 Variable throat venturi apparatus for mixing and modulating liquid fuel and intake air to an internal combustion engine
CA228,485A CA1028585A (en) 1974-07-18 1975-06-04 Variable throat venturi apparatus for mixing and modulating liquid fuel and intake air to an internal combustion engine
GB25613/75A GB1513884A (en) 1974-07-18 1975-06-16 Liquid fuel and air mixing and modulating device
IT50439/75A IT1040876B (it) 1974-07-18 1975-07-09 Perfezionamento nei dispositivi di controllo della aspirazione di aria per motori a combustione interna
BE158393A BE831475A (fr) 1974-07-18 1975-07-17 Appareil de venturi a etranglement variable pour melanger et moduler une alimentation en carburant liquide et en air

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US489671A US3911063A (en) 1974-07-18 1974-07-18 Variable throat venturi apparatus for mixing and modulating liquid fuel and intake air to an internal combustion engine

Publications (1)

Publication Number Publication Date
US3911063A true US3911063A (en) 1975-10-07

Family

ID=23944800

Family Applications (1)

Application Number Title Priority Date Filing Date
US489671A Expired - Lifetime US3911063A (en) 1974-07-18 1974-07-18 Variable throat venturi apparatus for mixing and modulating liquid fuel and intake air to an internal combustion engine

Country Status (5)

Country Link
US (1) US3911063A (it)
BE (1) BE831475A (it)
CA (1) CA1028585A (it)
GB (1) GB1513884A (it)
IT (1) IT1040876B (it)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4056583A (en) * 1975-02-07 1977-11-01 Toyota Jidosha Kogyo Kabushiki Kaisha Variable venturi carburetor
US5707560A (en) * 1996-08-12 1998-01-13 Dynojet Research, Inc. Constant velocity carburetor with variable venturi slide having bleed holes at an oblique angle and method of operation
US20130276751A1 (en) * 2010-03-16 2013-10-24 Briggs & Stratton Corporation Variable venturi and zero droop vacuum assist
US9598828B2 (en) 2011-04-21 2017-03-21 Briggs & Stratton Corporation Snowthrower including power boost system

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1042606A (en) * 1912-01-26 1912-10-29 Harris C Roth Carbureter.
US1045613A (en) * 1911-07-29 1912-11-26 Harris C Roth Carbureter.
US1258153A (en) * 1915-12-06 1918-03-05 Multiune Carburetor Company Carbureter.
US1542415A (en) * 1921-02-09 1925-06-16 R & S Non Deflecting Valve Com Carburetor
US1555489A (en) * 1921-08-17 1925-09-29 Albert H Spencer Carburetor
US2672329A (en) * 1949-07-13 1954-03-16 Zarnack Werner Carburetor of combustion engines with automatic fuel regulation
US3069146A (en) * 1960-08-30 1962-12-18 Soroban Engineering Inc Variable venturi carburetor
US3778038A (en) * 1970-03-06 1973-12-11 Dresser Ind Method and apparatus for mixing and modulating liquid fuel and intake air for an internal combustion engine

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1045613A (en) * 1911-07-29 1912-11-26 Harris C Roth Carbureter.
US1042606A (en) * 1912-01-26 1912-10-29 Harris C Roth Carbureter.
US1258153A (en) * 1915-12-06 1918-03-05 Multiune Carburetor Company Carbureter.
US1542415A (en) * 1921-02-09 1925-06-16 R & S Non Deflecting Valve Com Carburetor
US1555489A (en) * 1921-08-17 1925-09-29 Albert H Spencer Carburetor
US2672329A (en) * 1949-07-13 1954-03-16 Zarnack Werner Carburetor of combustion engines with automatic fuel regulation
US3069146A (en) * 1960-08-30 1962-12-18 Soroban Engineering Inc Variable venturi carburetor
US3778038A (en) * 1970-03-06 1973-12-11 Dresser Ind Method and apparatus for mixing and modulating liquid fuel and intake air for an internal combustion engine

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4056583A (en) * 1975-02-07 1977-11-01 Toyota Jidosha Kogyo Kabushiki Kaisha Variable venturi carburetor
US5707560A (en) * 1996-08-12 1998-01-13 Dynojet Research, Inc. Constant velocity carburetor with variable venturi slide having bleed holes at an oblique angle and method of operation
US20130276751A1 (en) * 2010-03-16 2013-10-24 Briggs & Stratton Corporation Variable venturi and zero droop vacuum assist
US9316175B2 (en) * 2010-03-16 2016-04-19 Briggs & Stratton Corporation Variable venturi and zero droop vacuum assist
US9598828B2 (en) 2011-04-21 2017-03-21 Briggs & Stratton Corporation Snowthrower including power boost system

Also Published As

Publication number Publication date
IT1040876B (it) 1979-12-20
BE831475A (fr) 1975-11-17
GB1513884A (en) 1978-06-14
CA1028585A (en) 1978-03-28

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