Single-crankshaft, opposed-piston engine constructions
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United States of America Patent
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Issued Date -
Aug 4, 2011
app pub date -
Feb 2, 2011
filing date -
Feb 3, 2010
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
Ported engines with opposed pistons are coupled to a single crankshaft through rocker arm linkages. Each pair of opposed pistons is coupled to a single crankpin of the crankshaft. Each piston is coupled to a respective rocker arm linkage by a rolling thrust bearing which prevents linkage movement that is transverse to the axis of the piston from being transferred to the piston. Each piston of a pair of opposed pistons is coupled to the same crankpin by respective rocker arm linkages in which connecting rods run between the crankpin and respective rocker arms. One connecting rod is connected to first rocker arm below the rocker arm's pivot point and another connecting rod is connected to a second rocker arm above the rocker arm's pivot point.
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