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thyssenkrupp rothe erde USA Inc. dba ROTEK Incorporated Wind 1400 South Chillicothe Road Aftermarket Aurora, OH 44202 Tel: 330.562.4000 rothe erde slewing bearings Fax: 330.562.4620 rothe erde rings psl rolling bearings Authorized distributor for rothe erde @ slewing bearings for the Wind Aftermarket rothe erde @ slewing bearings for the Wind Aftermarket rothe erde @ slewing bearings for the Wind Aftermarket This is us Upgrades Standard Upgrades Through Operational Excellence thyssenkrupp Specifically the Wind Energy Market has been driving significant continuous improvement measures over the last 10 years. All of our bearing products are manufactured according to the latest state of the art technology: rothe erde • Cleanliness requirements in forged rings • Inspection services and failure analysis • Improved quality in rolling elements thyssenkrupp rothe erde with its global presence is developing and • Improved ultrasonic and other non-destructive delivering specific bearings to the wind industry since the first turbine has testing methods and frequencies been built in the 80's. In North America we have been supplying these • Process improvements products under the Rotek brand name. Rotek, now thyssenkrupp rothe erde • Validation in world’s largest R&D facility for blade bearings USA Inc. continues to be your partner for the wind aftermarket slewing • World’s longest track record for blade bearings within the bearings and will supply slewing bearing products under the globally Service and aligned brand name rothe erde. sentire wind industry Refurbishment Have thyssenkrupp rothe erde Additional Optional Upgrades demonstrate to you how Replacement Bearings for the MRO Market remanufacturing services can • Enhanced raceway load capacity improve turbine availability, reduce maintenance cost, tyssenkrupp rothe erde has been supplying hundreds of thousands bearings • Various options for bolt hole corrosion protection and reduce the overall globally for the following OEMs under product labels such as Rotek, Roballo, • Independent certified finite element calculation environmental impact of wind Robrasa, XREB. methods turbine operations. Our • Improved sealing state-of-the-art bearing • Acciona • Neg Micon • Closed and coated cage options refurbishment facility in North • Alstom Wind / Ecotecnia • Nordex Energy America utilizes bearing • Dewind • Regen Powertech remanufacturing services to • Enercon • Repower / Senvion deliver a significantly more • Gamesa • Siemens Wind cost effective, efficient and • Ge Wind Energy • Suzlon environmentally friendly • Inox Wind Limited • Vergnet approach to the challenge of wind energy generation. • Made/Gamesa • Vestas • Mitsubishi.

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A Review of International Experience with Policies to Promote Wind Power Industry Development
A Review of International Experience with Policies to Promote Wind Power Industry Development FINAL REPORT Prepared by: Joanna Lewis, Consultant to the Center for Resource Solutions Ryan Wiser, Consultant to the Center for Resource Solutions Prepared for: Energy Foundation China Sustainable Energy Program March 10, 2005 Table of Contents Executive Summary...................................................................................................................... 4 1. Introduction........................................................................................................................... 9 2. Strategies for Localization ................................................................................................. 11 2.1. Models for wind turbine manufacturing ........................................................................ 11 2.2. Models for technology acquisition: purchasing versus internal development............... 11 2.3. Incentives for technology transfers................................................................................ 12 2.4. Implications.................................................................................................................... 12 3. Potential Benefits of Localization...................................................................................... 14 3.1. Domestic economic development and employment ...................................................... 14 3.2. International exports.....................................................................................................
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(12) United States Design Patent (10) Patent No.: US D587,649 S Gudewer (45) Date of Patent: *1, Mar
USO0D587649S (12) United States Design Patent (10) Patent No.: US D587,649 S Gudewer (45) Date of Patent: *1, Mar. 3, 2009 (54) NACELLE FOR A WIND TURBINE OTHER PUBLICATIONS (75) Inventor: Wilko GudeWer, Norden (DE) “S70/1500kW Perfekte Technologie fur jeden Standort.” NordeX, Feb. 2002, brochure, 6 pages. (73) Assignee: Aloys Wobben, Aurich (DE) “S70/1500kW The perfect technology for each location.” NordeX, Feb. 2002, brochure, 6 pages. (**) Term: 14 Years “N50/800kW Leading technology for ?rst-class outputs.” NordeX, Feb. 2002, brochure, 6 pages. “N80/2500kW Mit Hochstleistung in die Zukunft,” NordeX, Feb. (21) Appl.No.: 29/302,693 2002, brochure, 6 pages. “Elements Special Dewind magazine,” DeWind Magazine, Aug. (22) Filed: Jan. 22, 2008 2002, 48 pages. “Dehn schutZt Windenergieanlagen. Dehn protects Wind Turbines.” (30) Foreign Application Priority Data Dehn+Sohne, brochure, 2002, 10 pages. Jul. 23, 2007 (EM) .............................. .. 000762729 Hau, Erich, “Windkraftanlagen,” Grundlagen, Technik, EinsatZ, Wirtschaftlichkeit, 1988 and 1996, Springer-Verlag Berlin (51) LOC (9) Cl. ................................................ .. 13-01 Heidelberg, Germany, pp. 8-9, 26-28, 31, 38-39, 48-49, 51, 511-515, 579-580, 600. (52) US. Cl. ................................................... .. D13/115 “Image: Enercon E-30 Aurich Okt 2004.PNG,” retrieved Aug. 11, (58) Field of Classi?cation Search .............. .. D13/115, 2008, http://commons.Wikimediaorg/Wiki/Image:EnerconiE D13/101, 199; D15/199; 52/40; 244/130; 30iAurichiOkti2004PNG, 3 pages. 415/45, 12, 14, 916; 416/37,38, 132 B, 416/158 (Continued) See application ?le for complete search history. Primary Examiner-Prabhakar Deshmukh (56) References Cited Assistant Examiner-Derrick Holland (74) Attorney, Agent, or Firm-Seed IP LaW Group PLLC U.S.
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