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Piston and spring powered engine

  • US 4,557,228 A
  • Filed: 09/20/1983
  • Issued: 12/10/1985
  • Est. Priority Date: 12/30/1981
  • Status: Expired due to Fees
First Claim
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1. In a piston engine having a cylinder, means for introducing fuel into the cylinder, means for igniting said fuel, means for exhausting the burnt gases, a piston within the cylinder, a crank, a connecting rod pivotally connecting the piston to the crank, and a crankshaft, the improvement comprising:

  • resilient means for storing energy received from the pistion and burning gases during the outward movement of the pistion, and for delivering most of said stored energy to the crankshaft during the inward movement of the piston in a manner which drives the crankshaft in its existing direction of rotation, said resilient means comprising a spring connecting between the piston and a point stationary relative to the cylinder.

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