Perfected helicopter drive with air oil separator

Details Perfected helicopter drive with air oil separator Perfected helicopter drive with air oil separator

2011-03-08

2011-03-08

Le, David D (Department: 3655)

Lubrication

Systems

With lubricant treatment means

C055S337000

Reexamination Certificate

active

07900749

ABSTRACT:
A drive for a helicopter, has at least one rotary member, a casing housing the rotary member and defining a compartment containing a lubricating fluid and air, and separating device for separating the lubricating fluid from the air and retaining the lubricating fluid inside the casing in the presence of airflow outwards of the casing and produced by pressure gradients between the compartment and the outside. The separating device is angularly integral with the rotary member to centrifugally separate the lubricating fluid from the air radially with respect to the axis.

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patent: 1 344 559 (2003-09-01), None

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