Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
243 words
In a fuel management system for an internal combustion engine having a plurality of intake valves and a cylinder associated with each intake valve, the system having a source of fuel, a throttle body mounted on the engine having at least one throat for delivering fuel to the engine, and a manifold plane interconnecting the at least one throat with at least two of the plurality of intake valves, the improvement comprising single point injector means positioned to inject fuel into the throat to supply a fuel charge to each of the at least two of the plurality of intake valves from said single point injector means including means for atomizing the fuel in the throat, means for sensing the time of opening of each of the at least two of the plurality of intake valves, control means for pulsing said single point injector means in response to said sensing means and controlling the injection of the fuel into the throat a preselected time relative to said sensed time of opening of said each intake valve, and means for causing substantially the complete fuel charge created by each said injection to travel to the next opening intake valve and minimize wall wetting including sizing the effective manifold volume for each at least two intake valves between said fuel charge and each of the at least two intake valves to be less than the volume of the cylinder associated with said each intake valve.
Claim 2
Dependent Claim
243 words
In a fuel management system for an internal combustion engine having a plurality of intake valves and a cylinder associated with each intake valve, the system having a source of fuel, a throttle body mounted on the engine having at least one throat for delivering fuel to the engine, and a manifold plane interconnecting the at least one throat with at least two of the plurality of intake valves, the improvement comprising single point injector means positioned to inject fuel into the throat to supply a fuel charge to each of the at least two of the plurality of intake valves from said single point injector means including means for atomizing the fuel in the throat, means for sensing the time of opening of each of the at least two of the plurality of intake valves, control means for pulsing said single point injector means in response to said sensing means and controlling the injection of the fuel into the throat a preselected time relative to said sensed time of opening of said each intake valve, and means for causing substantially the complete fuel charge created by each said injection to travel to the next opening intake valve and minimize wall wetting including sizing the effective manifold volume for each at least two intake valves between said fuel charge and each of the at least two intake valves to be less than the volume of the cylinder associated with said each intake valve.
Claim 3
Dependent Claim
46 words
The system of claim 1 wherein said engine includes a plurality of manifold planes and the throttle body includes a throat for each manifold plane, the improvement further comprising an injector for each manifold plane and means for alternately pulsing said injectors at said preselected time.
Claim 4
Dependent Claim
35 words
The improvement of claim 1 wherein said pulsing means pulses said injectors at a preselected angle of rotation of the engine prior to top dead center for the cylinder corresponding to an opening intake valve.
Claim 5
Dependent Claim
53 words
The improvement of claim 1 wherein said atomizing means includes a venturi positioned at the outlet end of said single point injector means and the system further includes an air source for said venturi to create increased air flow in said venturi and a shock wave therein, said shock wave atomizing the fuel.
Claim 6
Dependent Claim
21 words
The improvement of claim 4 wherein said, venturi is positioned within the throttle body between said injector means and the throat.