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US 8,047,332 B2Granted
Direct grease injection for large open gearing
AssigneeRaytheon Company
InventorsGordon O. Salmela, Joseph A. Creonte
Life of this patent
Estimating the term…
Abstract
A drive gear includes a plurality of internal radial channels extending between the axial bore and the periphery of the gear, and an axial bore includes a lubricant distribution structure therein to provide lubrication where the teeth of the drive gear mesh with the teeth of a gear driven by the drive gear.
Claims10
A drive gear driving a driven gear, the drive gear comprising:
- a periphery including a plurality of spaced teeth meshing with teeth of the driven gear;
- an axial bore in the drive gear including a lubricant distribution structure therein including a sleeve fixed in the bore, the sleeve including an opening;
- a plurality of internal radial channels extending between the axial bore and the periphery of the drive gear and in fluid communication with the sleeve opening as the drive gear rotates to provide lubrication where the teeth of the drive gear mesh with the teeth of the driven gear;
- and
- means for sealing the opening in the sleeve with respect to a radial channel in communication with the axial bore.
2 more elements
Dependencies are inferred from the claim text.