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:
Nov. 11, 2014
Filed:
Feb. 27, 2009
Gustave Paul Corten, Alkmaar, NL;
Cornelis Johannes Antonius Versteegh, Hilversum, NL;
Herman Luimes, Dieren, NL;
Gustave Paul Corten, Alkmaar, NL;
Cornelis Johannes Antonius Versteegh, Hilversum, NL;
Herman Luimes, Dieren, NL;
XEMC Darwind B.V., Hilversum, NL;
Abstract
Wind turbine provided with a bearing supporting a hub carrying rotor blades, the bearing comprising a rotational bearing race connected to the hub and a stationary bearing race, a lubrication area between the bearing races which area is confined at both ends by first seal rings sealing the gap between the rotational bearing race and stationary parts to form a lubrication barrier. At one or both ends of the lubrication area a redundant seal ring is arranged at a distance from the first seal ring in or near the gap to be sealed.