Crankshaft supporting and lubricating structure for multicylinde

Details Crankshaft supporting and lubricating structure for multicylinde Crankshaft supporting and lubricating structure for multicylinde

1985-11-27

1987-04-14

Cross, E. Rollins

Internal-combustion engines

Lubricators

Crankcase, pressure control

123195H, F01M 100

Patent

active

046569839

ABSTRACT:
The crankshaft of an engine is supported by bearing caps mounted on journal walls of a cylinder block and a bridge interconnects the bearing caps. Oil passages in each bearing cap lead from the bridge to each crankshaft journal bearing at a laterally offset location rather than on the cylinder axis. A longitudinal main gallery in the bridge supplies oil to the passages and is laterally offset even further to that side. A supply passage in the bridge and one bearing cap at one extreme lateral side supplies oil from a pressurized oil supply passage in the cylinder block to that supply passage in the bearing cap.

REFERENCES:
patent: 3046954 (1962-07-01), Hoffman et al.
patent: 4033312 (1977-07-01), Howe

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