US Patent 7946117 Onboard method of determining EGR flow rate
Patent 7946117 was granted and assigned to Caterpillar Inc. on May, 2011 by the United States Patent and Trademark Office.
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Patent abstract
A method of determining and regulating a mass flow rate exhaust gases recirculated into an engine is disclosed. The method may comprise directing the exhaust gases through a venturi and sensing a differential exhaust pressure across the venturi. The method may further include sensing an absolute exhaust pressure at the venturi, and sensing a temperature of the exhaust gases. The method may further include determining the mass flow rate of the exhaust based on the sensed differential fluid pressure, absolute fluid pressure, and temperature.
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Patent Inventor Names
Ashutosh Katari0
Brian V. Tranel0
Christopher F. Gallmeyer0
David C. Atkinson0
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US Patent 07946117 Onboard method of determining EGR flow rate US Patent 7946117 Onboard method of determining EGR flow rate
Infobox
Patent Number
079461170
Patent Number
79461170
Edits on 22 Mar, 2023
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Infobox
Is a
Current Assignee
Patent Jurisdiction
Patent Number
079461170
Date of Patent
May 24, 2011
0Patent Application Number
118198760
Date Filed
June 29, 2007
0Patent Primary Examiner
Edits on 7 Dec, 2021
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Infobox (+8 properties)
US Patent 07946117 Onboard method of determining EGR flow rate
Infobox
Is a
Current assignee
Patent jurisdiction
Patent number
07946117
Date of patent
May 24, 2011
Patent application number
11819876
Date Filed
June 29, 2007
Patent primary examiner
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