发明名称 Hydraulic tension jack for belt or chain under tension in automotive engine has a wear-resistant valve seat surface
摘要 <p>A hydraulic tension jack holds a belt or chain under tension and is applied to a valve. The valve seat has a wear-resistant film that is a mixture of chrome, dichromonitride Cr2N and a monochromonitride CrN.</p>
申请公布号 DE102006016494(A1) 申请公布日期 2006.10.12
申请号 DE20061016494 申请日期 2006.04.07
申请人 NTN CORP. 发明人 IZUTSU, TOMOYOSHI;HAYAKAWA, HISASHI
分类号 F16H7/08 主分类号 F16H7/08
代理机构 代理人
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