Crankshaft bearing device for internal combustion engine

Details Crankshaft bearing device for internal combustion engine Crankshaft bearing device for internal combustion engine

1983-11-21

1985-12-24

Feinberg, Craig R.

Internal-combustion engines

Frame construction

Horizontal cylinder

123198E, 474139, 474 87, 384432, F02F 700

Patent

active

045599106

ABSTRACT:
The crankshaft of an internal combustion engine is supported in a split bearing assembly near one end of the crankshaft, with the lower half of the bearing assembly formed in a bearing holder secured to the engine block. An arcuate flange projects axially towards that end of the crankshaft. The flange underlies a crankshaft pulley which drives a timing belt. The arcuate surface of the flange is struck from a center offset from the crankshaft axis in order to provide clearance for the timing belt. The offset construction also improves the joint seal between the oil pan and the engine block.

REFERENCES:
patent: 1624738 (1927-04-01), Jesperson
patent: 2085810 (1937-07-01), Ljungstrom
patent: 3863617 (1975-02-01), Thien et al.
patent: 3955654 (1976-05-01), Lemonnier
patent: 4294203 (1981-10-01), Jones
patent: 4448159 (1984-05-01), Hidaka et al.

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