Lubricant feed system for use in the journal of a crankshaft

Patent · Tue Nov 18 04:00:00 EST 1986

OSTI ID:6969851

Fukuo, K; Yamamoto, H

This patent describes a lubricant feed system for a journal of a crankshaft comprising first bearing supporting portions formed in a cylinder block. Each has a peripheral surface, second bearing supporting portions formed in caps. Each has a peripheral surface, first bearings arranged on the first bearing supporting portions, second bearings arranged on the second bearing supporting portions, and at least one oil main gallery. Annular grooves are circumferentially formed at the respective first and second bearing supporting portions. Oil grooves are circumferentially formed at the inner peripherial surfaces of the first bearings and apertures are formed at the first bearings to communicate the annular grooves with the oil grooves. The inner peripheral surfaces of the second bearings are made flat wherein the oil main gallery is communicated with the annular grooves at the second bearings respectively.

• Assignee: Honda Giken Kogyo Kabushiki Kaisha, Tokyo
• Patent Number(s): US 4622933
• OSTI ID: 6969851
• Country of Publication: United States
• Language: English

Related Subjects

33 ADVANCED PROPULSION SYSTEMS
330100* -- Internal Combustion Engines
APERTURES
BEARINGS
CYLINDERS
ENGINES
HEAT ENGINES
INTERNAL COMBUSTION ENGINES
JOURNAL BEARINGS
LUBRICANTS
LUBRICATING OILS
MACHINE PARTS
MECHANICAL STRUCTURES
OILS
OPENINGS
ORGANIC COMPOUNDS
OTHER ORGANIC COMPOUNDS
PETROLEUM PRODUCTS
SHAFTS
SUPPORTS