Patent ID: 6691647
Filing Date: 2004-02-17
Classification: F01B,F02B

Abstract:
An engine comprising at least two open ended curved cylinders disposed in toroidal arrangement with respect to a central pivot point, at least two piston arms pivoted about said point, at least four pistons , each one adapted to cooperate with one end of a respective cylinder and arranged in pairs so mounted to a piston arm as to face tangentially one away from the other for alternate engagement with adjacent ends of two of said at least two cylinders, wherein movement of said pistons is controlled by power take-off/timing means which comprise a central axle and an arm rotatable thereabout, lever means so connecting each diametrically opposed end of said rotatable arm to one of said at least two piston arms that the reciprocating pivotal movement of the piston aims is converted to continuous rotary movement of the take-off axle.