The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Feb. 13, 2018
Filed:
Nov. 13, 2015
General Electric Company, Schenectady, NY (US);
Mark Gregory Wotzak, Brookline, MA (US);
Duane Howard Anstead, Fairfield, OH (US);
Bojan Lukovic, Liberty Township, OH (US);
James John Luz, Tewksbury, MA (US);
Thomas Charles McCarthy, Cincinnati, OH (US);
Keith Beatty, Cincinnati, OH (US);
General Electric Company, Schenectady, NY (US);
Abstract
A gearbox vent apparatus includes: a gearbox; an accessory contained in a case mounted to the gearbox such than an interior space of the case communicates with an interior space of the gearbox, wherein the case includes a sidewall and an endwall, a hollow drive shaft mounted for rotation inside the case; an annular first seal element mounted to the drive shaft; an annular second seal element mounted to the case and contacting the first seal element so as to define a sealing interface; and a vent tube having a forward end coupled to the endwall in fluid communication with the drive shaft.