Exhaust gas recirculation system for an internal combustion engine
Abstract
An exhaust gas recirculation system for an internal combustion engine comprises an exhaust driven turbocharger having a low pressure turbine outlet in fluid communication with an exhaust gas conduit. The turbocharger also includes a low pressure compressor intake and a high pressure compressor outlet in communication with an intake air conduit. An exhaust gas recirculation conduit fluidly communicates with the exhaust gas conduit to divert a portion of exhaust gas to a low pressure exhaust gas recirculation branch extending between the exhaust gas recirculation conduit and an engine intake system for delivery of exhaust gas thereto. A high pressure exhaust gas recirculation branch extends between the exhaust gas recirculation conduit and the compressor intake and delivers exhaust gas to the compressor for mixing with a compressed intake charge for delivery to the intake system.
- Inventors:
- Issue Date:
- Research Org.:
- GM Global Technology Operations LLC (Detroit, MI)
- Sponsoring Org.:
- USDOE
- OSTI Identifier:
- 1084040
- Patent Number(s):
- 8443789
- Application Number:
- 12/842,169
- Assignee:
- GM Global Technology Operations LLC (Detroit, MI)
- Patent Classifications (CPCs):
-
F - MECHANICAL ENGINEERING F02 - COMBUSTION ENGINES F02B - INTERNAL-COMBUSTION PISTON ENGINES
F - MECHANICAL ENGINEERING F02 - COMBUSTION ENGINES F02M - SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- DOE Contract Number:
- FC26-07NT43271
- Resource Type:
- Patent
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 33 ADVANCED PROPULSION SYSTEMS
Citation Formats
Wu, Ko-Jen. Exhaust gas recirculation system for an internal combustion engine. United States: N. p., 2013.
Web.
Wu, Ko-Jen. Exhaust gas recirculation system for an internal combustion engine. United States.
Wu, Ko-Jen. Tue .
"Exhaust gas recirculation system for an internal combustion engine". United States. https://www.osti.gov/servlets/purl/1084040.
@article{osti_1084040,
title = {Exhaust gas recirculation system for an internal combustion engine},
author = {Wu, Ko-Jen},
abstractNote = {An exhaust gas recirculation system for an internal combustion engine comprises an exhaust driven turbocharger having a low pressure turbine outlet in fluid communication with an exhaust gas conduit. The turbocharger also includes a low pressure compressor intake and a high pressure compressor outlet in communication with an intake air conduit. An exhaust gas recirculation conduit fluidly communicates with the exhaust gas conduit to divert a portion of exhaust gas to a low pressure exhaust gas recirculation branch extending between the exhaust gas recirculation conduit and an engine intake system for delivery of exhaust gas thereto. A high pressure exhaust gas recirculation branch extends between the exhaust gas recirculation conduit and the compressor intake and delivers exhaust gas to the compressor for mixing with a compressed intake charge for delivery to the intake system.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {Tue May 21 00:00:00 EDT 2013},
month = {Tue May 21 00:00:00 EDT 2013}
}
Works referenced in this record:
Fast warm-up of diesel aftertreatment system during cold start
patent, August 2007
- Nuang, Yiqun
- US Patent Document 7,261,086
Exhaust gas control apparatus for internal combustion engine
patent, November 2008
- Hashizume, Takeshi
- US Patent Document 7,444,804