Carbureted natural gas turbo charged engine
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United States of America Patent
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May 6, 2014
Grant Date -
Jul 21, 2011
app pub date -
Dec 16, 2010
filing date -
Jun 1, 2006
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Abstract
A control system for a turbo charged natural gas engine. A butterfly valve used for fuel control upstream of a carburetor provides non-linear flow response during opening and closing and a flow compensator compensates for the non-linear response. A throttle valve position sensor acts in association with a controller which compares the throttle valve position signal with a predetermined set point and thereby opens or closes the waste gate of the turbo charger which affects oxygen content in the exhaust. A compensator for a throttle valve used with electronic engine controllers is also provided.
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