Multicylinder free piston machine
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United States of America Patent
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Jun 18, 2013
Grant Date -
Jul 29, 2010
app pub date -
Aug 4, 2008
filing date -
Aug 2, 2007
priority date (Note) -
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Abstract
A machine such as an external combustion engine in an electrical power and heat cogeneration unit comprises multiple cylinders, each driving an independent load or being independently driven, and a balance shaft comprising one or more off-center balancing mass(es) to counteract rocking motion created by the piston motion and thereby assist in dynamically balancing the machine.
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