SYSTEMS AND METHODS FOR DETERMINING DIFFERENTIAL AND RELATIVE PRESSURE USING A CONTROLLER

Number of patents in Portfolio can not be more than 2000

United States of America

APP PUB NO 20200025054A1
SERIAL NO

16040116

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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An aftertreatment system comprises a housing defining an internal volume. A filter is disposed in the housing and configured to remove particulate matter included in the exhaust gas. A delta pressure sensor configured to measure an inlet apparent pressure value upstream of the filter. An ambient pressure sensor separate from the delta pressure sensor is configured to measure an ambient pressure value of an ambient environment in which the aftertreatment system is located. A controller is configured to receive the inlet apparent pressure value, receive the ambient pressure value from the ambient pressure sensor, determine a relative inlet exhaust pressure value based upon the inlet apparent pressure value and the ambient pressure value, and adjust an exhaust flow rate of the exhaust gas based at least on the relative inlet exhaust pressure value.

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Patent Owner(s)

  • CUMMINS EMISSION SOLUTIONS INC.

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Barve, Aaditya Ujjain, IN 2 0
Owusu, Kwadwo O Greenwood, US 3 15

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