Internal combustion engine with parallel crankshafts

Details Internal combustion engine with parallel crankshafts Internal combustion engine with parallel crankshafts

2007-01-29

2008-10-14

Cronin, Stephen K. (Department: 3747)

Internal-combustion engines

Transmission mechanism from piston

Crankshaft and connecting rod

C123S197200, C123S197300, C123S059600

Reexamination Certificate

active

07434562

ABSTRACT:
An internal combustion engine which includes two parallel crankshafts positioned in crankcases, a cylinder positioned on a side of the crankcases, a piston movably disposed within the cylinder, and connecting rods linked to the piston and extending from respective crankshafts. Positions at which the two connecting rods are linked to the piston and the crankshafts are constantly kept symmetrical with respect to a cylinder axis when the two crankshafts rotate in opposite directions.

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