Secondary air injection system and method

Wu, Ko-Jen; Walter, Darrell J.

Title: Secondary air injection system and method

Patent · Tue Aug 19 00:00:00 EDT 2014

OSTI ID:1150744

Wu, Ko-Jen; Walter, Darrell J.

According to one embodiment of the invention, a secondary air injection system includes a first conduit in fluid communication with at least one first exhaust passage of the internal combustion engine and a second conduit in fluid communication with at least one second exhaust passage of the internal combustion engine, wherein the at least one first and second exhaust passages are in fluid communication with a turbocharger. The system also includes an air supply in fluid communication with the first and second conduits and a flow control device that controls fluid communication between the air supply and the first conduit and the second conduit and thereby controls fluid communication to the first and second exhaust passages of the internal combustion engine.

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Research Organization:: National Energy Technology Laboratory (NETL), Pittsburgh, PA, Morgantown, WV (United States)

Sponsoring Organization:: USDOE

DOE Contract Number:: FC26-07NT43271

Assignee:: GM Global Technology Operations LLC (Detroit, MI)

Patent Number(s):: 8,806,868

Application Number:: 13/029,818

OSTI ID:: 1150744

Country of Publication:: United States

Language:: English

References (34)

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Diagnosis apparatus for secondary air supply apparatus Tsujimura, Tomohiro; Morinaga, Shujiro; Kodo, Satoshi https://doi.org/https://image-ppubs.uspto.gov/dirsearch-public/print/downloadPdf/7895824 US Patent Document 7,895,824	patent	March 2011
Secondary air supply system and vehicle Araki, Yuuji; Torigoshi, Masaki; Tanabe, Hiroki https://doi.org/https://image-ppubs.uspto.gov/dirsearch-public/print/downloadPdf/8014931 US Patent Document 8,014,931	patent	September 2011
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Secondary Air Injection System and Method Jacques, Robert Lionel; Kridner, Kenneth R. https://doi.org/https://image-ppubs.uspto.gov/dirsearch-public/print/downloadPdf/20130019593 US Patent Application 13/185631; 20130019593	patent-application	January 2013
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Secondary air injection system and method Wu, Ko-Jen; Walter, Darrell J. https://doi.org/https://image-ppubs.uspto.gov/dirsearch-public/print/downloadPdf/8806868 US Patent Document 8,806,868	patent	August 2014

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