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Hybrid internal combustion/steam engine

  • US 5,191,766 A
  • Filed: 06/10/1991
  • Issued: 03/09/1993
  • Est. Priority Date: 06/10/1991
  • Status: Expired due to Term
First Claim
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1. A hybrid internal combustion/steam engine having a plurality of cylinders with pistons therein connected to a crankshaft, comprising in combination therewith:

  • (a) means for introducing a combustible fuel/air mixture into each cylinder of said plurality of cylinders for combustion to provide a power stroke for the piston;

    (b) a plurality of exhaust ports each connected to and in communication with a cylinder of said plurality of cylinders, such that exhaust combustion gases are discharged through selected ones of said plurality of exhaust ports during an exhaust stroke of said piston;

    (c) a steam generator connected to and in communication with each exhaust port having a water injection port therein proximal the exhaust port of each cylinder;

    (d) means for selectively injecting a predetermined volume of water proximal the exhaust port of selected cylinders concurrently with the end of the exhaust stroke and the end of the compression stroke of pistons associated with said selected cylinders such that the volume of water contacts the exhausted combustion gases and is substantially vaporized into a pressurized volume of steam within said steam generator;

    (e) means for allowing exhaust combustion gases into said steam generator from said exhaust port of said cylinder and means to prevent steam generated in said steam generator from reentering said cylinder; and

    (f) a pressurized steam powered take off means connected to and in communication with said steam generator for converting said exhaust combustion gases into a usable power source.

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