Contra-rotating twin crankshaft internal combustion engine

Details Contra-rotating twin crankshaft internal combustion engine Contra-rotating twin crankshaft internal combustion engine

1995-12-15

1997-01-21

Okonsky, David A.

Internal-combustion engines

Multiple cylinder

Simultaneous compression, distinct pistons, restricted...

123 596, 1231971, F02B 7532

Patent

active

055951473

ABSTRACT:
A contra-rotating twin crankshaft system for internal combustion engines. Two crankshafts are arranged in parallel, and are connected together to rotate in opposite directions. At least one piston is spaced from the crankshafts. Connecting rod assemblies extend in a crossed relationship from each crankshaft to two spaced wristpins at the piston. Preferably, one connecting rod assembly is made up of two spaced connecting rods and the other is a single connecting rod which passes between the two spaced connecting rods to form the crossing relationship. If desired, the dual connecting rod assembly may be two spaced single connecting rods or have one connecting rod in the form of a fork, with the single connecting rod passing between the tines of the forked connecting rod.

REFERENCES:
patent: 4505239 (1985-03-01), Deland
patent: 4614169 (1986-09-01), Figliuzzi
patent: 4690113 (1987-09-01), Deland
patent: 4809646 (1989-03-01), Paul et al.
patent: 5058537 (1991-10-01), Paul et al.

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