Accessory drive spline lubrication system for a turbine engine r

Details Accessory drive spline lubrication system for a turbine engine r Accessory drive spline lubrication system for a turbine engine r

1991-10-28

1992-06-09

Lazarus, Ira S.

Lubrication

Systems

Gas turbine

60 3908, 464 7, 464 16, F01M 108

Patent

active

051199050

ABSTRACT:
An accessory drive spline lubrication system for a turbine engine reduction gearbox prevents the continuing loss of engine oil resulting from an ineffective seal between an engine drive shaft and an accessory driven shaft. The spline area is provided with oil by an annular reservoir which is replenished only on startup of the engine. Oil is shot into the annular reservoir within the drive shaft through an orifice in the rotating drive shaft. At operating speeds, the drive shaft rotates sufficiently fast relative to the velocity at which the oil approaches the drive shaft to prevent the oil from entering the drive shaft.

REFERENCES:
patent: 2956824 (1960-10-01), Kuchler et al.
patent: 3085838 (1963-04-01), Patterson
patent: 3589471 (1971-06-01), Edge et al.
patent: 3621937 (1971-11-01), Edge et al.
patent: 3757535 (1973-09-01), Stein

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