General Electric Company

Ramon Themudo

Duane Howard Anstead

Gary Paul Moscarino

Kenneth Lee Fisher

Bala Corattiyil

Stephen Anthony Wilton

Mark Eden Zentgraf

Michael Even-Nur

Kenneth Lee Fischer

Christopher Lee Snow

Samir I Shah

Martin Richard Brown

The present invention provides a free vortex air-oil separator that may be used in systems for separating oil from air oil mixtures. The free vortex air-oil separator comprises a free vortex chamber having a first chamber wall, a second chamber wall located axially aft from the first chamber wall and a rim located in a radially outer region from an axis of rotation, a plurality of vent holes in the rim and a cavity formed by the first and second chamber walls, and the rim, wherein a free vortex is created when there is a flow into the cavity through the plurality of vent holes.

Free vortex air-oil separator

The present invention provides a weep plug for an oil sump having a central vent passage and one or more weep passages parallel to the central passage. The weep passages allow oil to flow back into the sump where it may be recovered.

Weep plug

Disclosed is apparatus to prevent vibration of a pinned root fan blade during low speed revolution of the blade comprising a damping device which extends between the airfoil of the blade and the engine structure.

Aircraft fan blade damping apparatus

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Cincinnati, OH, United States of America

Ramon Themudo