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:
Oct. 20, 2015
Filed:
Mar. 05, 2012
Christian Becker, Aachen, DE;
Michaela Brasseur, Aachen, DE;
Helmut Kölpin, Baesweiler, DE;
SIEMENS AKTIENGESELLSCHAFT, München, DE;
Abstract
A wind turbine includes a component arranged in the nacelle of the wind turbine, which component requires lubricating with a liquid lubricant. An automatic liquid lubricant changing arrangement includes a source of fresh liquid lubricant, a supply line for supplying fresh liquid lubricant from the source to the component, a waste liquid lubricant collecting unit for waste liquid lubricant, and a removal line for conveying waste liquid lubricant from the component to the waste liquid lubricant collecting unit. Moreover, a control device for such a wind turbine and a method of operating such a wind turbine are provided.