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US 2003/0154962 A1Published application
Throttle and fuel injector assembly
AssigneeOptimum Power Technology
InventorsGlen F. Chatfield, Malcolm C. Ashe
Life of this patent
Estimating the term…
Abstract
A throttle and fuel injector assembly and method of controlling fuel and air supply to an engine. The assembly and method provide combustion air through a carburetor and fuel through a carburetor.
Claims33
An engine fuel and air delivery apparatus, comprising:
- a carburetor forming a combustion air passage through which combustion air is provided to the engine and through which fuel is not provided to the engine;
- and
- a fuel injector in fluid communication with the combustion air passage and through which fuel is provided to the engine.
A method of providing combustion air and fuel to an engine, comprising:
- metering combustion air flow delivered to the engine through a carburetor;
- and
- metering fuel delivered to the engine through a fuel injector in fluid communication with the carburetor.
An article of manufacture, comprising:
- a computer readable medium having stored thereon instructions which, when executed by a processor cause the processor to:
- control combustion air flow through a carburetor;
- and
- control fuel delivery through a fuel injector in fluid communication with the carburetor.
1 more element
An internal combustion engine having an intake, comprising:
- a carburetor that regulates air flow;
- a fuel injector adapter having a passageway in fluid communication with a fuel and air intake of the internal combustion engine and the carburetor;
- and
- a fuel injector extending through the fuel injector adapter;
- wherein only fuel passing through the fuel injector is provided to the internal combustion engine.
2 more elements
A fuel injector adapter, comprising:
- a coupling having a first end and a second end and forming a combustion air passageway therethrough, the first end adapted for coupling adjacent a carburetor combustion air passage;
- and
- a fuel injector mount formed on the coupling and forming a fuel injector passageway passing through the fuel injector mount and coupling and into which a fuel injector may be inserted.
A plate fashioned for attachment to a carburetor to prevent flow of air and fuel through a float bowl.
Dependencies are inferred from the claim text.