Lubricated spline joint

Details Lubricated spline joint Lubricated spline joint

1987-09-09

1988-09-20

Smith, Leonard E.

Lubrication

Systems

With safety or indicating means

184 612, 403 37, 403359, 464 16, F01M 900

Patent

active

047718641

ABSTRACT:
A lubricating spline joint for providing a viscous damping function includes a first member defining an internal spline, a second member defining an external spline engaged therewith, a seal ring between the members at one end of the splines, and a radially inwardly facing chamber at the other end which is exposed to lubrication fluid. The improvement features an internal barrier for assuring a fixed internal radius R and thus a preselected centrifugal pressure head of the fluid mass in the chamber and about the splines, and a plurality of venting passages located radially outwardly of the radius R for continually exhausting fluid from the splines as a result of centrifugal force so that fresh and/or less aerated fluid is circulated through the splines.

REFERENCES:
patent: 1616034 (1927-02-01), Fast
patent: 3242695 (1966-03-01), Ross, Jr.
patent: 3301349 (1967-01-01), Williams
patent: 3365913 (1968-01-01), Shields
patent: 3380555 (1968-04-01), Myers et al.
patent: 3589471 (1971-06-01), Edge
patent: 3621937 (1971-11-01), Edge et al.
patent: 3991855 (1976-11-01), Heintzelman
patent: 4281942 (1981-08-01), Gaeckle et al.
patent: 4572682 (1986-02-01), Iwata
Exhibit A-Sketch of Lubricated Spline Joint Used on a Caterpillar Inc. Model 785 Truck, circa Aug. 1983.

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