Crankshaft support structure

Details Crankshaft support structure Crankshaft support structure

1989-04-27

1990-11-13

Okonsky, David A.

Internal-combustion engines

Two-cycle

Whirl through piston-controlled ports

384430, 384479, 123 73R, F02B 7502, F16C 3500

Patent

active

049694235

ABSTRACT:
A crankshaft support structure comprises a crankshaft, a crankcase for supporting the crankshaft, a lubricant-sealed bearing interposed between the crankshaft and the crankcase. This structure enables the amount of a lubricant in combustion gas to be reduced and the structure of an engine to be simplified by avoiding the provision of a oil passage for suppling the bearing with a lubricant.

REFERENCES:
patent: 2917328 (1959-12-01), Peterson
patent: 3396977 (1968-08-01), Iguchi
patent: 3414275 (1968-12-01), Takahashi
patent: 3550974 (1970-12-01), Kupchick
patent: 4320724 (1982-03-01), Takada et al.
patent: 4557612 (1985-12-01), Neal
patent: 4792242 (1988-12-01), Colanzi et al.
patent: 4830518 (1989-05-01), Shiratani et al.
patent: 4863293 (1989-09-01), Sytsma

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