Frequency modulated VCR-engine
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United States of America Patent
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Mar 25, 2008
Grant Date -
May 25, 2006
app pub date -
Oct 29, 2003
filing date -
Nov 4, 2002
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A control method for the modulation of the torque of piston combustion engine that has a compression chamber (6) of variable volume and operable inlet valves (3). The torque requested for a predetermined operative condition is obtained through a selection of the volume of the compression chamber (6) combined with a selection of the time of opening and the time of closure of the inlet valves (3) combined with a selection of the frequency with which power strokes are performed.
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