Emergency lubricating device for a reduction unit particularly f

Details Emergency lubricating device for a reduction unit particularly f Emergency lubricating device for a reduction unit particularly f

1991-02-19

1992-06-16

Lazarus, Ira S.

Lubrication

Systems

With safety or indicating means

184 612, F01M 118

Patent

active

051218151

ABSTRACT:
An emergency lubricating device is disclosed for a reduction unit, particularly for the main gearbox of a rotary-wing aircraft, including a branch duct (10), coming from the normal lubricating circuit (3) of a rotary-wing aircraft gearbox (1), which feeds oil to at least one emergency reservoir placed at the upper part of the gearbox. The reservoir delivers the oil continuously through calibrated emergency supply ducts to the critical elements of the reduction unit (8, 9).

REFERENCES:
patent: 2988154 (1961-06-01), Hub
patent: 4169519 (1979-10-01), Hirt et al.
patent: 4683985 (1987-08-01), Hultgren
patent: 4721185 (1988-01-01), Weigle
patent: 4856273 (1989-08-01), Murray
patent: 4858427 (1989-08-01), Provenzano
patent: 4922765 (1990-05-01), Hayakawa

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