Sealed engine control module with integral ambient air pressure sensor
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United States of America Patent
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Feb 19, 2013
Grant Date -
Aug 25, 2011
app pub date -
Feb 22, 2010
filing date -
Feb 22, 2010
priority date (Note) -
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Abstract
An engine control module having an environmentally-sealed housing includes a housing-mounted air pressure sensor for providing a reliable measure of atmospheric air pressure to a control circuit mounted within the housing. The sensor is mounted on an inboard face of the housing, and includes a sensor element, a body portion and a riser portion. The sensor element is mounted in the body portion, and the riser portion protrudes through an opening in the housing to couple the sensor element to atmospheric pressure outside the housing. The body portion is sealingly secured to the inboard face of the housing, and a set of conductor pins molded into the body portion extend inward to engage a circuit board enclosed by the housing, and thereby directly couple the sensor element to the ECM's control circuit. The top of the riser portion is capped by a splash-proof lid to prevent water intrusion.
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