Patent ID: 7415962
Filing Date: 2008-08-26
Classification: F01C,F02B,Y02T

Abstract:
1. An internal-combustion engine, the engine comprising: an engine housing having a first wall delimiting a first combustion chamber and defining at least a section of a torus; a first piston having: a first piston head also delimiting said first combustion chamber; and a first piston pivot arm; a first crankshaft; a first connecting rod connected between a first junction axis of said first piston pivot arm and said first crankshaft; a second piston having: a second piston head also delimiting said first combustion chamber; and a second piston pivot arm; a second crankshaft; and a second connecting rod connected between a second junction axis of said second piston pivot arm and said second crankshaft, wherein said first and said second pistons are guided along a curved path defined by a common axis of rotation and said first and second junction axis, wherein said first and said second pistons move in opposite directions, and the first piston pivot arm and the second piston pivot arm rotate about the common axis.