Invention Grant
US09016429B2 Machine bearing system including hard thin film and method of using same
有权
机器轴承系统包括硬质薄膜及其使用方法
- Patent Title: Machine bearing system including hard thin film and method of using same
- Patent Title (中): 机器轴承系统包括硬质薄膜及其使用方法
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Application No.: US13855370Application Date: 2013-04-02
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Publication No.: US09016429B2Publication Date: 2015-04-28
- Inventor: Bao Feng , M. Brad Beardsley
- Applicant: Caterpillar, Inc.
- Applicant Address: US IL Peoria
- Assignee: Caterpillar Inc.
- Current Assignee: Caterpillar Inc.
- Current Assignee Address: US IL Peoria
- Agency: BakerHostetler
- Main IPC: F16H57/021
- IPC: F16H57/021 ; F16C32/06

Abstract:
A bearing system includes a sleeve bearing supported on a shaft and a gear supported on the sleeve bearing. The shaft has an outer diameter shaft surface, the sleeve bearing has an inner diameter bearing surface and an outer diameter bearing surface, and the gear has a gear bore surface. At least one of the outer diameter shaft surface, the inner diameter bearing surface, the outer diameter bearing surface, and the gear bore surface includes an isotropic surface finish and a hard thin film over the isotropic surface finish. During a break-in period of operation of the bearing system, the hard thin film over the isotropic surface finish breaks in a counter surface of the bearing system to extend a hydrodynamic lubrication period of operation of the bearing system.
Public/Granted literature
- US20140291060A1 Machine Bearing System Including Hard Thin Film And Method Of Using Same Public/Granted day:2014-10-02
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