Patent · US Active

Dynamic impeller oil seal

US8092093B2 · kind B2 · utility

7Cited by

14References

18Claims

0Family size

Assignee

General Electric Company · US

Inventors

Ning Fang · Sharonville, US
Ray Harris Kinnaird · Fort Thomas, US
Gary Paul Moscarino · Cincinnati, US
Kenneth Lee Fisher · Lockland, US
Jonothan Allen Scheetz · Waynesville, US
Dave William Pugh · Lancaster, US
Edward William Grace · Cincinnati, US
Duane Howard Anstead · Lancaster, US
Bala Corattiyil · Montgomery, US
Prasad Laxman Kane · Pune, IN

Key dates

Filing date	Jul 31, 2008
Grant date	Jan 10, 2012
Priority date	—
Expiry date	Aug 28, 2030

Classification

Technology area (CPC F)Mechanical Engineering; Lighting; Heating
CPC primaryF01D11/02
WIPO fieldEngines, pumps, turbines
WIPO sectorMechanical engineering

Abstract

A rotating seal for a gas turbine engine includes: (a) an annular seal body; (b) a sealing component carried by the seal body which is adapted to form one-half of a rotating seal interface; and (c) an impeller carried by the seal body which comprises a plurality of radially-inwardly-extending impeller blades.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.