Potential Applications of the Stiller-Smith Mechanism in internal Combustion Engine Designs 871225
With few exceptions most internal combustion engines use a slider-crank mechanism to convert reciprocating piston motion into a usable rotational output. One such exception is the Stiller-Smith Mechanism which utilizes a kinematic inversion of a Scotch yoke called an elliptic trammel. The device uses rigid connecting rods and a floating/eccentric gear train for motion conversion and force transmission.
The mechanism exhibits advantages over the slider-crank for application in internal combustion engines in areas such as balancing, size, thermal efficiency, and low heat rejection. An overview of potential advantages of an engine utilizing the Stiller-Smith Mechanism is presented.
James E. Smith, Nigel Clark, Alfred Stiller, Randolph Churchill, A.D. McKisic
West Virginia University
4th International Pacific Conference on Automotive Engineering
Proceedings of the Fourth International Pacific Conference on Automotive Engineering-P-212