Computer controlled flow of nitrous oxide injected into an internal combustion engine

  • US 5,444,628 A
  • Filed: 02/14/1994
  • Issued: 08/22/1995
  • Est. Priority Date: 02/27/1991
  • Status: Expired due to Term
First Claim
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1. An electronically controlled internal combustion engine system including an engine having a plurality of cylinders for burning a combustible mixture wherein the density of the combustible mixture provided to the cylinders is increased by adding nitrous oxide and additional fuel to the combustible mixture, said engine system comprising:

  • a nitrous oxide container;

    a nitrous oxide supply outlet for delivering a quantity of nitrous oxide to the engine;

    a nitrous oxide flow regulator interposed between the nitrous oxide container and the supply outlet;

    a set of fuel injectors mounted proximate the cylinders for delivering a quantity of fuel to each of the cylinders in accordance with fuel control signals received via at least one fuel injector control line; and

    an electronic control unit (ECU) including a fuel control output for transmitting a fuel control signal to the set of fuel injectors via the at least one fuel injector control line, a value of the fuel control signal being adjusted in accordance with the quantity of nitrous oxide supplied to the engine.

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