WEIGHT OPTIMIZED CRANK-SHAFT
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United States of America Patent
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Issued Date -
Sep 3, 2015
app pub date -
Sep 23, 2013
filing date -
Sep 24, 2012
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
The present invention relates to a crank-shaft for an internal combustion machine having at least one main bearing journal for supporting the crank-shaft in a crank-housing and having at least one pin bearing journal for connecting a connecting rod to the crank-shaft. According to the invention at least one of the bearing journal surfaces comprises at least one recess area with a depth (d) of at least 1 mm.
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