Crankshaft support structure of internal combustion engine
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United States of America Patent
Stats
-
Sep 25, 2007
Grant Date -
May 4, 2006
app pub date -
Oct 27, 2005
filing date -
Oct 28, 2004
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A crankshaft support structure of an internal combustion engine, comprising a crankshaft having journal portions a saddle-shaped bearing caps respectively mounted on an undersurfaces of the journal support bases formed in a lower portion of the cylinder block in such a manner as to straddle the journal portions being accommodated in the bearing portions, whereby the journal portions are rotatably supported wherein, of the undersurface of each of the journal support bases, an undersurface portion overlapping with an edge portion of each of end faces on both sides of each of the bearing caps is formed to be a thick portion thicker than other portions, and a mount surface to be positioned on the undersurface overlapping with the thick portion of each of the bearing caps is formed along the thick portion.
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