Patent ID: 8464671

Claim:
A horizontally opposed center fired engine comprises, a first internal combustion mechanism; a second internal combustion mechanism; a third internal combustion mechanism; a fourth internal combustion mechanism; a first timing mechanism; a second timing mechanism; a main axle; said first internal combustion mechanism, said second internal combustion mechanism, said third internal combustion mechanism, and said fourth internal combustion mechanism each comprises a cylinder, a front piston, a front connecting rod, a front crankshaft, a front crankshaft gear, a back piston, a back connecting rod, a back crankshaft, a back crankshaft gear, a center space, a left block, a right block, an intake block, an intake mechanism, an exhaust block, an exhaust mechanism, and a plurality of assembly divisions; said first timing mechanism and said second timing mechanism each comprises a timing shaft, a main timing gear, a intake timing gear, and an exhaust timing gear; said main axle comprises a front shaft, a front flywheel, a front input gear, a front axle gear, a front output, a back shaft, a back flywheel, a back input gear, a back axle gear, a back output, a first side gear, and a second side gear; and said intake mechanism and said exhaust mechanism each comprises a left port, a right port, a left valve, a right valve, a left valve guide, a right valve guide, a left valve spring, a right valve spring, a left spring cavity, a right spring cavity, a camshaft, and a camshaft gear.