Engine with central gear train
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United States of America Patent
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Aug 1, 2017
Grant Date -
Sep 22, 2016
app pub date -
Oct 30, 2014
filing date -
Nov 5, 2013
priority date (Note) -
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Abstract
An engine including having a frame structure with a central longitudinal space containing a gear train in which end gears drive end crankshafts and a central gear drives a central crankshaft, a pair of dual piston and cylinder assembly are connected between each end crankshaft and central crankshaft on opposite side of the central space. The combustion chambers of cylinders on each side of the central are intercommunicated by passages extending through the hubs of gears in the gear train, a controller for the fuel injectors of the cylinders selectively causes the double pistons of each pair of passage connected to have either simultaneous internally fired power drive strokes in one mode or simultaneous internally fired and shared power drive strokes in another mode.
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