Method of adjusting capacities of combustion chambers of a multi-cylinder engine
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United States of America Patent
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Aug 25, 2015
Grant Date -
Dec 8, 2011
app pub date -
May 3, 2011
filing date -
Jun 7, 2010
priority date (Note) -
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Abstract
This disclosure provides a method of adjusting capacities of combustion chambers of a multi-cylinder engine having a cylinder head with recessed parts that partially form the combustion chambers and a mating surface for mating with a cylinder block, which includes casting a cylinder head material having flat reference surfaces on top of the recessed parts of the cylinder head, machining the cylinder head material to form the mating surface, measuring distances in a height direction from the mating surface to the reference surfaces, respectively, and adjusting machining margins of machining portions of the reference surfaces of the recessed parts based on the measured height direction distances.
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