Intake air pressure sensor for engine
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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-
Sep 24, 2002
Grant Date -
N/A
app pub date -
Oct 10, 2000
filing date -
Oct 8, 1999
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An engine includes an electronic controller which samples the pressure in the induction system once per rotation of the crankshaft. The controller is configured to determine the minimum voltage signal output by the pressure sensor. The controller then uses the minimum pressure sensed by the pressure sensor to control the fuel injection of the engine. The controller may include two and/or three dimensional maps for predicting the appropriate timing for sampling the pressure sensor. The engine also includes a smoothing system so as to provide for more accurate sampling of the pressure within the induction system.
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