Engine airflow measurement
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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May 10, 2005
Grant Date -
Aug 21, 2003
app pub date -
May 1, 2001
filing date -
May 1, 2000
priority date (Note) -
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Abstract
A method of measuring the airflow in an engine, the engine having an intake manifold, including: sampling the manifold absolute pressure in said intake manifold at a predetermined crank angle of the engine; and determining the airflow as a function of the pressure differential between atmospheric pressure and the manifold absolute pressure at said crank angle.
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