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:
May. 19, 2015
Filed:
Jan. 31, 2012
Eugenio Yegro Segovia, Madrid, ES;
Jacob Johannes Nies, Zwolle, NL;
Pedro Luis Benito Santiago, Mostoles, ES;
Alvaro Jaime Calle Garrido, Madrid, ES;
Miguel Bartolome Lopez, Madrid, ES;
Eugenio Yegro Segovia, Madrid, ES;
Jacob Johannes Nies, Zwolle, NL;
Pedro Luis Benito Santiago, Mostoles, ES;
Alvaro Jaime Calle Garrido, Madrid, ES;
Miguel Bartolome Lopez, Madrid, ES;
General Electric Company, Schenectady, NY (US);
Abstract
A system and method for lubricating gears in a wind turbine blade pitch drive are provided, wherein the pitch drive comprises a drive pinion gear with gear teeth that engage a pitch bearing gear coupled to a respective wind turbine blade. A grease distributor is configured to mount onto and rotate with the pinion gear, and is configured to deliver grease from an external grease supply to at least one valley defined between adjacent teeth of the pinion gear in a contact area of the pinion gear with the bearing gear without the distributor contacting inter-engaging teeth of the bearing gear.