Invention Grant
- Patent Title: Corrosion protecting layer system, corrosion protected bearing component and method for protecting a bearing component against corrosion
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Application No.: US15124863Application Date: 2015-02-24
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Publication No.: US11713398B2Publication Date: 2023-08-01
- Inventor: Thilo von Schleinitz
- Applicant: AKTIEBOLAGET SKF
- Applicant Address: SE Gothenburg
- Assignee: AKTIEBOLAGET SKF
- Current Assignee: AKTIEBOLAGET SKF
- Current Assignee Address: SE Gothenburg
- Agency: J-Tek Law PLLC
- Agent Scott T. Wakeman; Mark A. Ussai
- Priority: DE 201404329.8 2014.03.10
- International Application: PCT/EP2015/053809 2015.02.24
- International Announcement: WO2015/135745A 2015.09.17
- Date entered country: 2016-09-09
- Main IPC: C09D5/10
- IPC: C09D5/10 ; F16C33/20 ; C09D175/04 ; C08G18/30 ; C08G18/76 ; C08K5/5317 ; C08K5/54 ; C08K3/11 ; C08K3/08 ; C08K3/22
Abstract:
A corrosion-protecting layer system, e.g., for a bearing component used in a wind turbine, includes a base layer that contains polyurethane, zinc, and vinylphosphonic acid or silane. An intermediate layer is formed on the base layer and contains polyurethane and zinc. A top layer is formed on the intermediate layer and contains polyurethane and micaceous iron oxide. A sealing layer is formed on the top layer and contains polyurethane.
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