KINEMATICS OF THE CYCLOIDAL INTERNAL-COMBUSTION ENGINE MECHANISM

The application of the characteristics of cycloidal curves for the fou r-stroke rotary internal combustion engine mechanism is introduced. Th e major components of the cycloidal engine mechanism include a flywhee l, a stationary sun gear, planetary gears, rotary bars, and rotary pis tons. The rotary pistons are fixed to bars driven by pins of the plane tary gears, and these pins follow a common trajectory of epicyloidal o r hypocycloidal curve. Several combustion chambers are created by the rotary pistons. As the flywheel makes a complete revolution, the relat ive motion between rotary pistons and the specially positioned intake ports, exhaust ports, and fuel injector generate four-stoke cycles wit hin each of the combustion chambers. The constraint and classification of the application of different cycloidal curves for the rotary engin e mechanism are then presented. Further, the mathematical modeling is developed. The position, velocity, and acceleration analyses of the ro tary pistons of the cycloidal engine mechanisms are presented.