Welded engine block for small internal combustion engines
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United States of America Patent
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Feb 12, 2019
Grant Date -
Dec 22, 2016
app pub date -
Sep 1, 2016
filing date -
Jul 9, 2013
priority date (Note) -
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Abstract
A small air-cooled internal combustion engine includes an aluminum cylinder block at least partially defining an aluminum cylinder bore, an aluminum cylinder head attached to the aluminum cylinder block, and an aluminum push rod tube separate from and press fit between the aluminum cylinder block and the aluminum cylinder head. The aluminum push rod tube includes a cylinder block end portion, a cylinder head end portion, and a main body extending between the cylinder block end portion and the cylinder head end portion.
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