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Fuel injection throttle body

  • US 10,012,197 B2
  • Filed: 01/16/2014
  • Issued: 07/03/2018
  • Est. Priority Date: 10/18/2013
  • Status: Active Grant
First Claim
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1. A fuel injection throttle body of an internal combustion engine with a reciprocating piston, comprising:

  • an air intake including a cylindrical inner wall disposed in a said throttle body;

    an electromechanically controlled fuel injector coupled to the throttle body at a fuel port; and

    an annular ring coupled to the cylindrical inner wall of the air intake,wherein the annular ring comprises;

    a plurality of secondary fuel discharge orifices;

    a single primary fuel discharge orifice and the plurality of secondary fuel discharge orifices arranged radially around the annular ring, wherein said single primary fuel discharge orifice is larger than said plurality of secondary discharge orifices;

    wherein the annular ring consists of the single primary fuel discharge orifice being adjacent to the fuel port; and

    an annular channel that communicatively couples the fuel port and the primary fuel discharge orifice and the plurality of secondary fuel discharge orifices;

    wherein the fuel injector provides positively pressurized fuel through the fuel port into the annular channel, and the primary fuel discharge orifice and the plurality of secondary fuel discharge orifices atomize and spray the fuel into the air intake.

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