Eccentric rod bearing

Details Eccentric rod bearing Eccentric rod bearing

1991-02-06

1992-12-22

Hannon, Thomas R.

Bearings

Rotary bearing

Plain bearing

123 48B, 384255, 384270, F16C 906, F16C 2310, F02B 7504

Patent

active

051729830

ABSTRACT:
A connecting rod crankshaft bearing, provided for installation in the connecting rod at the crankshaft end, eliminates the necessity for reaming out the ridge in a cylinder during rebuilding. The rod bearing is an eccentric bearing, provided as two semi-circular sections having a slightly greater thickness along the lower section than on the upper section so as to offset the center of the inner surface from the outer surface of the bearing.
This offset restricts the uptravel of the connecting rod. This in turn lowers the position of the piston during reciprocating travel by the same amount, eliminating possible impact with wear ridges within the cylinder. The cylinder thus need not be reamed to remove these ridges, as they no longer present a source of damaging impact during piston travel.

REFERENCES:
patent: 1987661 (1935-01-01), Blauvelt et al.
patent: 2542405 (1951-02-01), Fink
patent: 2897804 (1959-08-01), Crooks
patent: 3046953 (1962-07-01), Dolza
patent: 4073550 (1978-02-01), Yahraus
patent: 4084553 (1978-04-01), Forde et al.
patent: 4488826 (1984-12-01), Thompson
patent: 4864975 (1989-09-01), Hasegawa

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