Dedicated EGR engine with dynamic load control

Hayman, Alan W.; McAlpine, Robert S.; Keating, Edward J.

Title: Dedicated EGR engine with dynamic load control

Patent · Tue Sep 06 00:00:00 EDT 2016

OSTI ID:1321793

Hayman, Alan W.; McAlpine, Robert S.; Keating, Edward J.

An internal combustion engine comprises a first engine bank and a second engine bank. A first intake valve is disposed in an intake port of a cylinder of the first engine bank, and is configured for metering the first flow of combustion air by periodically opening and closing according to a first intake valve lift and duration characteristic. A variable valve train control mechanism is configured for affecting the first intake valve lift and duration characteristic. Either a lift or duration of the first intake valve is modulated so as to satisfy an EGR control criterion.

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Research Organization:: GM GLOBAL TECHNOLOGY OPERATIONS LLC, Detroit, MI (United States)

Sponsoring Organization:: USDOE

DOE Contract Number:: EE0005654

Assignee:: GM GLOBAL TECHNOLOGY OPERATIONS LLC (Detroit, MI)

Patent Number(s):: 9,435,298

Application Number:: 13/937,280

OSTI ID:: 1321793

Resource Relation:: Patent File Date: 2013 Jul 09

Country of Publication:: United States

Language:: English

References (16)

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EGR distributor apparatus for dedicated EGR configuration Gingrich, Jess W.; Almaraz, Steven H. https://doi.org/https://image-ppubs.uspto.gov/dirsearch-public/print/downloadPdf/8561599 US Patent Document 8,561,599	patent	October 2013
Methods and systems for variable displacement engine control Uhrich, Michael James; Banker, Adam Nathan; Kerns, James Michael https://doi.org/https://image-ppubs.uspto.gov/dirsearch-public/print/downloadPdf/8607544 US Patent Document 8,607,544	patent	December 2013
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Method and system for humidity sensor diagnostics Surnilla, Gopichandra; Makki, Imad Hassan; Uhrich, Michael James https://doi.org/https://image-ppubs.uspto.gov/dirsearch-public/print/downloadPdf/8881713 US Patent Document 8,881,713	patent	November 2014
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Dedicated EGR control strategy for improved EGR distribution and engine performance Gingrich, Jess W.; Mangold, Barrett Wade; Almaraz, Steven H. https://doi.org/https://image-ppubs.uspto.gov/dirsearch-public/print/downloadPdf/8944034 US Patent Document 8,944,034	patent	February 2015
Systems and methods for dedicated exhaust gas recirculation and control Dane, Marten H.; Geckler, Samuel C.; Talwar, Sudhanshu https://doi.org/https://image-ppubs.uspto.gov/dirsearch-public/print/downloadPdf/9032940 US Patent Document 9,032,940	patent	May 2015
NOx feedback for combustion control Lyon, Peter Mitchell; Riffle, Chris; Van Nieuwstadt, Michiel J. https://doi.org/https://image-ppubs.uspto.gov/dirsearch-public/print/downloadPdf/9038611 US Patent Document 9,038,611	patent	May 2015
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Twin independent boosted I4 engine Wade, Robert Andrew; Riegger, John Christopher https://doi.org/https://image-ppubs.uspto.gov/dirsearch-public/print/downloadPdf/9157363 US Patent Document 9,157,363	patent	October 2015

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