Patent ID: 8677951

Claim:
An opposed piston engine, comprising: a crankshaft; connecting rods; a guide block; a bridge; a pair of traction connecting rods; a cylinder; an outer piston and an inner piston disposed in said cylinder and driven in opposition and delimit a common combustion chamber, said inner piston driving said crankshaft via one of said connecting rods and said outer piston driving said crankshaft via said pair of traction connecting rods, and said outer piston supported by another one of said connecting rods linearly guided in said guide block and protruding from said bridge, said bridge connected at both of bridge end portions to said traction connecting rods; pivot bearings; a traction connecting rod bearing mounted on said crankshaft; and each of said traction connecting rods having a U-shaped curved piece of tube, said U-shaped curved piece of tube enclosing a part of a circumference of one of said pivot bearings supported by said bridge, and said U-shaped curved piece of tube having leg ends fixed onto said traction connecting rod bearing mounted on said crankshaft.