JPS54133233A - Variable venturi type carburettor - Google Patents

Variable venturi type carburettor

Info

Publication number
JPS54133233A
JPS54133233A JP4166578A JP4166578A JPS54133233A JP S54133233 A JPS54133233 A JP S54133233A JP 4166578 A JP4166578 A JP 4166578A JP 4166578 A JP4166578 A JP 4166578A JP S54133233 A JPS54133233 A JP S54133233A
Authority
JP
Japan
Prior art keywords
venturi portion
tube
bleed
hole
gas
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.)
Pending
Application number
JP4166578A
Other languages
Japanese (ja)
Inventor
Tadao Osawa
Koji Kano
Masami Nagano
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.)
Automob Antipollut & Saf Res Center
Automobile Appliance Anti Pollution and Safety Research Center
Original Assignee
Automob Antipollut & Saf Res Center
Automobile Appliance Anti Pollution and Safety Research Center
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 Automob Antipollut & Saf Res Center, Automobile Appliance Anti Pollution and Safety Research Center filed Critical Automob Antipollut & Saf Res Center
Priority to JP4166578A priority Critical patent/JPS54133233A/en
Publication of JPS54133233A publication Critical patent/JPS54133233A/en
Pending legal-status Critical Current

Links

Landscapes

  • Control Of The Air-Fuel Ratio Of Carburetors (AREA)

Abstract

PURPOSE: To feed a main fuel of proper gas-liquid ratio over a wide suction gas flow rate range by providing a bleed hole in an emulsion tube wall and a nozzle orifice thereover.
CONSTITUTION: A bleed hole 12 is formed in the wall of an emulsion tube 11 and a bleed hole 17 is formed in a nozzle orifice 16. With suction gas flowing in a venturi portion 9 to develop a negative pressure at the orifice 16, the air sucked in from a main air bleed 10 flows into the venturi portion 9 through the hole 17. With the suction gas flow rate in the venturi portion 9 increased to a medium extent, bleeding is started; air is injected into the tube 11 and suckes up the liquid fuel in the tube 11 to form a gas-liquid mixture which flows into the venturi portion. Mixture gas according to the engine revolution rate can be fed smoothly.
COPYRIGHT: (C)1979,JPO&Japio
JP4166578A 1978-04-07 1978-04-07 Variable venturi type carburettor Pending JPS54133233A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP4166578A JPS54133233A (en) 1978-04-07 1978-04-07 Variable venturi type carburettor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4166578A JPS54133233A (en) 1978-04-07 1978-04-07 Variable venturi type carburettor

Publications (1)

Publication Number Publication Date
JPS54133233A true JPS54133233A (en) 1979-10-16

Family

ID=12614672

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4166578A Pending JPS54133233A (en) 1978-04-07 1978-04-07 Variable venturi type carburettor

Country Status (1)

Country Link
JP (1) JPS54133233A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5781148A (en) * 1980-11-10 1982-05-21 Toyota Motor Corp Variable venturi carburetor
JPS58100246U (en) * 1981-12-28 1983-07-07 トヨタ自動車株式会社 variable bench lily vaporizer

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5781148A (en) * 1980-11-10 1982-05-21 Toyota Motor Corp Variable venturi carburetor
JPS58100246U (en) * 1981-12-28 1983-07-07 トヨタ自動車株式会社 variable bench lily vaporizer

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