Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Toshikatsu Koike0
Hiroshi Yamagata0
Hirotaka Kurita0
Date of Patent
August 19, 2008
0Patent Application Number
105521720
Date Filed
February 23, 2005
0Patent Primary Examiner
Patent abstract
An engine component is composed of an aluminum alloy containing silicon, and includes a plurality of primary-crystal silicon grains located on a slide surface. The plurality of primary-crystal silicon grains have an average crystal grain size of no less than about 12 μm and no more than about 50 μm.
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