Gear lubrication

Details Gear lubrication Gear lubrication

1990-09-24

1991-11-12

Lazarus, Ira S.

Lubrication

Systems

Gearing

184 111, 74468, F16H 5704

Patent

active

050640259

ABSTRACT:
In an accessory drive unit e.g. as used in a gas turbine engine, some of the gears in a gear train are provided with pockets 20 in which drainage oil is collected on engine shut down. On re-starting of the engine, the collected oil is acted upon by ribs 16 and is flung onto the teeth of the gears so as to provide immediate lubrication, rather than experience a delay until main lubricant supply pressure is increased. Friction and wear on start up is reduced.

REFERENCES:
patent: 1186434 (1916-06-01), Pierce
patent: 3508630 (1970-04-01), Keller et al.
patent: 4327598 (1982-05-01), Yoneda et al.
patent: 4848177 (1989-07-01), Miura et al.

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