CARBURETOR ASSEMBLY FOR AN INTERNAL COMBUSTION GAS ENGINE

A carburetor assembly having a venturi element for fuel metering and a throttle valve for controlling the flow of an air and natural gas mixture to the combustion engine wherein a stepper motor is used to angularly position a throttle valve plate in the gas flow path to the carburetor, the throttle...

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Bibliographic Details
Main Authors LAMBERT, JOHN E, DICKSON, J. DOUGLAS, SCHLUER, LARRY E
Format Patent
LanguageEnglish
French
Published 20.01.1994
Edition6
Subjects
BLASTING
COMBUSTION ENGINES
COMBUSTION ENGINES IN GENERAL
CONTROLLING COMBUSTION ENGINES
HEATING
HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
INTERNAL-COMBUSTION PISTON ENGINES
LIGHTING
MECHANICAL ENGINEERING
SUPPLYING COMBUSTION ENGINES IN GENERAL, WITH COMBUSTIBLEMIXTURES OR CONSTITUENTS THEREOF
WEAPONS
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Summary:A carburetor assembly having a venturi element for fuel metering and a throttle valve for controlling the flow of an air and natural gas mixture to the combustion engine wherein a stepper motor is used to angularly position a throttle valve plate in the gas flow path to the carburetor, the throttle valve plate being carried on a throttle valve shaft that forms an extension of the armature of the stepper motor wherein provision is made for sealing the stepper motor at a location on the axis of rotation of the throttle valve element, the throttle valve shaft being mounted without the necessity for using throttle valve shaft bearings or a separate seal, thereby minimizing friction and any tendency for a misalignment to occur.
Bibliography:Application Number: CA19932139629