Internal combustion engine with improved bearing arrangement bet

Details Internal combustion engine with improved bearing arrangement bet Internal combustion engine with improved bearing arrangement bet

1987-07-10

1988-09-27

Wolfe, Willis R.

Internal-combustion engines

Transmission mechanism from piston

Including clutch

123197AB, F02B 7532, F16C 700

Patent

active

047733675

ABSTRACT:
An internal combustion engine comprising a cylinder, a piston slidably movable in the cylinder along an axis and relative to a bottom dead center position, a crankshaft including a crankpin having a longitudinal axis and a cylindrical outer surface, a connecting rod including a first end pivotally connected to the piston, and a second end having therein a cylindrical bore rotatably receiving the crankpin, the bore having a cylindrical inner surface radially spaced from the outer surface of the crankpin, one of the inner surface of the connecting rod and the outer surface of the crankpin including a relieved area intersected by a plane having therein the crankpin axis and the piston axis when the piston is in the bottom dead center position, and a plurality of roller bearings located between the outer surface and the inner surface.

REFERENCES:
patent: 2914367 (1959-11-01), Underwood
patent: 3625580 (1971-12-01), DeHart et al.
patent: 3789743 (1974-02-01), Sihon
patent: 3801173 (1974-04-01), McKindree
patent: 4073550 (1978-02-01), Yahraus
patent: 4311349 (1982-01-01), Roberts
patent: 4383719 (1983-05-01), Matzelle
patent: 4396309 (1983-08-01), McCormick
patent: 4461585 (1984-07-01), Mahrus et al.
patent: 4488826 (1984-12-01), Thompson

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