Fuel Injection Systems for Snowmobiles
AssigneeArctic Cat Inc.
InventorsDavid L. Vigen, Benjamin Taylor Langaas
Life of this patent
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Abstract
A fuel injection system for an engine of a vehicle includes a throttle body and an elastomeric injection manifold coupled to the downstream end of the throttle body. The injection manifold defines a fuel injector socket. The fuel injection system also includes a fuel injector receivable by the fuel injector socket of the injection manifold and a fuel rail fluidly coupled to the fuel injector. The fuel rail supplies fuel to the fuel injector.
Claims20
An injection manifold for a fuel injection system of an engine, the injection manifold comprising:
- an elastomeric housing including a generally annular throttle body fitting defining an upstream side and a flat plate portion defining a downstream engine-facing side, the housing having a top side;
- a fuel injection socket at least partially interposed between the throttle body fitting and the flat plate portion, the fuel injection socket extending upwardly from the top side of the housing;
- and
- a plurality of valve mounts extending downstream of the downstream engine-facing side of the flat plate portion;
- wherein, the housing, the fuel injection socket and the valve mounts are integral.
A fuel injection system for an engine of a vehicle, the fuel injection system comprising:
- a throttle body having a downstream end;
- an elastomeric injection manifold including a housing, a fuel injection socket and a plurality of valve mounts, the housing including a generally annular throttle body fitting coupled to the downstream end of the throttle body and a flat plate portion coupled to the engine, the fuel injection socket at least partially interposed between the throttle body fitting and the flat plate portion, the fuel injection socket extending upwardly from a top side of the housing, the valve mounts extending downstream of the flat plate portion;
- a fuel injector disposed at least partially within the fuel injector socket;
- and
- a fuel rail fluidly coupled to the fuel injector, the fuel rail configured to supply fuel to the fuel injector;
- wherein, the housing, the fuel injection socket and the valve mounts are integral.
A vehicle comprising:
- an engine;
- and
- a fuel injection system coupled to the engine, the fuel injection system comprising:
- a throttle body having a downstream end;
- an elastomeric injection manifold including a housing, a fuel injection socket and a plurality of valve mounts, the housing including a generally annular throttle body fitting coupled to the downstream end of the throttle body and a flat plate portion coupled to the engine, the fuel injection socket at least partially interposed between the throttle body fitting and the flat plate portion, the fuel injection socket extending upwardly from a top side of the housing, the valve mounts extending downstream of the flat plate portion;
- a fuel injector disposed at least partially within the fuel injector socket;
- and
- a fuel rail fluidly coupled to the fuel injector, the fuel rail configured to supply fuel to the fuel injector;
- wherein, the housing, the fuel injection socket and the valve mounts are integral.
Dependencies are inferred from the claim text.