Integrated piston and bridge
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United States of America Patent
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Sep 1, 2015
Grant Date -
Apr 24, 2014
app pub date -
Oct 21, 2013
filing date -
Oct 23, 2012
priority date (Note) -
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Abstract
A piston coupled to a crankshaft via pullrods presents challenges for coupling the piston to the crankshaft because the connections are provided outside the piston. A bridge is coupled to a piston skirt at the end of the piston away from the piston crown. The bridge structure includes: a central support structure, a first projection extending outwardly from the central support structure in a first radial direction, and a second projection extending outwardly from the central support structure in a second radial direction. The central support structure is substantially hollow with a series of internal braces to yield a lightweight piston.
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