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Multiple-Cylinder Engine for Planing Water Vehicle

  • US 20090042458A1
  • Filed: 12/27/2007
  • Published: 02/12/2009
  • Est. Priority Date: 08/10/2007
  • Status: Active Grant
First Claim
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1. A multiple-cylinder engine for a planing water vehicle comprising an operation control device configured to change the number of deactivated cylinders step by step in response to an engine speed when the engine speed exceeds a preset speed, wherein the operation control device comprises a plurality of cylinder deactivation order maps, the operation control device being configured to use the deactivation order maps in deactivating the cylinders of the engine in an incremental order, step by step when the engine speed exceeds the preset speed, the operation control device also being configured to exchange one of the cylinder deactivation order maps which is currently used for another one of the maps in accordance with an operation state of the engine.

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