Drive unit with an internal combustion engine and a reciprocating piston engine which is self-starting without regulation
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United States of America Patent
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Jun 19, 2012
Grant Date -
Nov 5, 2009
app pub date -
May 5, 2009
filing date -
May 5, 2008
priority date (Note) -
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Abstract
A drive unit and a method for the operation thereof. The drive unit has an internal combustion engine in operative connection with a driven shaft and a reciprocating piston expansion engine in an operative connection with a crankshaft. The driven shaft is mechanically connected to the crankshaft by a clutch in such a way that torque is transmitted from the crankshaft to the driveshaft. The reciprocating piston expansion engine has at least one cylinder, and a fluid is guided from a fluid supply into an interior of the at least one cylinder at least occasionally via an inlet valve and a bypass valve which is arranged in parallel with the inlet valve.
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