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:
Aug. 13, 2013
Filed:
Nov. 06, 2009
Soenke Siegfriedsen, Rendsburg, DE;
Soenke Siegfriedsen, Rendsburg, DE;
Aerodyn Engineering GmbH, Rendsburg, DE;
Abstract
A hydraulic supply unit for lubricating and/or cooling mechanical and electrical components disposed in the nacelle of a wind power plant, and for supplying hydraulic actuating devices with hydraulic fluid, characterized by a tank that is divided into chambers and has a first chamber for providing oil lubricating the gearbox of the wind power plant, a second chamber for providing hydraulic oil used to operate hydraulic actuating devices of the wind power plant, a first connection for connecting the first chamber to a line for supplying the gearbox with lubricating oil, and a second connection for connecting the second chamber to a line for supplying the hydraulically operated actuating devices with hydraulic oil, and a heat exchanger for dissipating heat from the hydraulic oil, the gearbox oil and a coolant that is fed to the heat exchanger and absorbs lost heat at the electrical components of the wind power plant.