发明授权
- 专利标题: Bearing porosity control in an exhaust gas recirculation valve
- 专利标题(中): 在排气再循环阀中进行轴承孔隙率控制
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申请号: US10794135申请日: 2004-03-05
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公开(公告)号: US06904897B1公开(公告)日: 2005-06-14
- 发明人: Bernard J. Hrytzak
- 申请人: Bernard J. Hrytzak
- 申请人地址: CA Chatham
- 专利权人: Siemens VDO Automotive Inc.
- 当前专利权人: Siemens VDO Automotive Inc.
- 当前专利权人地址: CA Chatham
- 主分类号: F02M25/07
- IPC分类号: F02M25/07
摘要:
A powdered metal bearing (40) that guides a pintle (42) in an EGR valve (20) is sealed against infiltration of exhaust gases by mechanical processing or by applying a sealant.
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