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Internal combustion engine

  • US 4,354,471 A
  • Filed: 05/14/1980
  • Issued: 10/19/1982
  • Est. Priority Date: 05/15/1979
  • Status: Expired due to Term
First Claim
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1. An internal combustion engine comprising:

  • (a) first and second cylinder units each including at least one cylinder;

    (b) an intake passage provided therein with a throttle valve, said intake passage being divided downstream of said throttle valve into first and second branches leading to said first and second cylinder units, respectively;

    (c) a load detector adapted to detect the load at which said engine is operating and provide a low load indication signal when the engine load is below a predetermined value;

    (d) fuel supply means for supplying a controlled amount of fuel into said first and second cylinder units, said fuel supply means being responsive to the low load indication signal for cutting off the supply of fuel to said second cylinder unit;

    (e) valve means provided at the entrance of said second intake passage branch, said valve means being resonsive to the low load indication signal for cutting off the flow of air to said second cylinder unit; and

    (f) delay means for delaying the start and end of application of the low load indication signal to said fuel supply means.

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