New Design for Piston Engines Greater than 100 MPG

High Fuel Efficiencies * Low Emissions * Increased Power / Weight Ratios

Yoke-Arm technology increases piston dwell during combustion for high combustion and fuel efficiencies in combination with significant power gains. All with the addition of a single component part, the yoke-arm.

New Technology for Piston Engines

High Combustion and Mechanical Efficiencies

  • Unprecedented fuel economy
  • Diesel engines especially benefit
  • Significant power increases
  • Reduced pollution
  • All piston engines benefactors
  • Only one major component required: a yoke arm

Fuel Efficient Engine Designs

Fisher Technologies has developed a modern day upgrade for piston engines which dramatically improves the performance of all conventional engines for both gasoline and diesel. This unique and cutting edge technology provides substantial increases in fuel economy, significant reductions in exhaust emissions and more power just by adding a “yoke-arm” between the piston rod and power-shaft. A simple mechanical combination, never before developed for piston engines, uses a unique linkage that connects the piston rod to the crankshaft, yet leaves the mechanical arrangement for conventional piston engines relatively unchanged.

This new arrangement uses a yoke-arm which substantially increases piston dwell during combustion to significantly increase combustion efficiencies. Surprisingly, this simple modification not only provides large gains in combustion efficiencies, but also greatly decreases piston rod angularity and the associated piston friction. The result is superior fuel economy, increased power and reduced emissions for both conventional crankshaft powered gasoline and diesel engines. Most all conventional engines can be accommodated such as single-cylinder, V-type, in-line, horizontally-opposed and radial with no restrictions to engine size or application.

The low cost and simplicity to implement the Fisher yoke-arm surprisingly translates to large performance benefits for both piston engines and compressors. As it turns out, piston driven air compressors and air conditioners also become a viable application with significant increases in mechanical efficiencies that require much less power. This new technology offers an easy approach to substantially increase engine performance and fuel economy while also reducing the engine size through increased power. Diesel engines will especially gain a large advantage because the slower burning diesel fuels derive great benefit from the added piston dwell during combustion. Such large increases in piston dwell are not possible with conventional engines or the many other experimental engine technologies you might have read about. The Fisher yoke-arm technology for piston engines has finally achieved the much needed combustion efficiencies with the necessary simplicity, low cost and superior performance that so many other attempts using mechanical arrangements have failed to do.

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