Combined EGR cooler and plasma reactor

Details Combined EGR cooler and plasma reactor Combined EGR cooler and plasma reactor

2008-07-15

2008-07-15

Tran, Binh Q (Department: 3748)

Power plants

Internal combustion engine with treatment or handling of...

By electrolysis, electrical discharge, electrical field, or...

C060S274000, C060S298000, C060S320000, C060S321000, C422S186030, C422S186110, C422S186150, C422S186190, C422S186200, C422S186220, C165S052000, C165S066000, C165SDIG034

Reexamination Certificate

active

11383552

ABSTRACT:
A combined EGR cooler and non-thermal plasma device has first and second fluid passageways which are in heat exchange communication with one another. One or more electrodes are located in the second fluid passageway. The electrodes are connected to a voltage source. When a voltage of sufficient magnitude is applied to the electrodes, a non-thermal plasma is generated in the second fluid passageway. The device can be constructed in the form of a shell-and-tube heat exchanger or a stacked-tube type heat exchanger, wherein the electrodes extend through the heat exchange tubes. Hot exhaust gases preferably flow through the tubes in heat exchange contact with a liquid coolant, thereby cooling the exhaust gases. The electrodes generate non-thermal plasma inside the tubes, converting at least a portion of the NO in the exhaust to NO2, which reacts with soot in the exhaust gases to generate CO2and N2, thereby cleaning the exhaust gases.

REFERENCES:
patent: 3285709 (1966-11-01), Eannarino et al.
patent: 4726814 (1988-02-01), Weitman
patent: 5366701 (1994-11-01), Taylor et al.
patent: 5419123 (1995-05-01), Masters
patent: 5656048 (1997-08-01), Smith et al.
patent: 5711147 (1998-01-01), Vogtlin et al.
patent: 5746984 (1998-05-01), Hoard
patent: 5887554 (1999-03-01), Cohn et al.
patent: 5891409 (1999-04-01), Hsiao et al.
patent: 5893267 (1999-04-01), Vogtlin et al.
patent: 6012283 (2000-01-01), Miller et al.
patent: 6029442 (2000-02-01), Caren et al.
patent: 6038854 (2000-03-01), Penetrante et al.
patent: 6047543 (2000-04-01), Caren et al.
patent: 6048500 (2000-04-01), Caren et al.
patent: 6092512 (2000-07-01), Ma
patent: 6173567 (2001-01-01), Poola et al.
patent: 6185930 (2001-02-01), Lepperhoff et al.
patent: 6357223 (2002-03-01), Caren et al.
patent: 6363716 (2002-04-01), Balko et al.
patent: 6479023 (2002-11-01), Evans et al.
patent: 6557340 (2003-05-01), Twigg et al.
patent: 6606855 (2003-08-01), Kong et al.
patent: 6655130 (2003-12-01), Kirwan et al.
patent: 6662552 (2003-12-01), Gunther et al.
patent: 6694725 (2004-02-01), Furman et al.
patent: 6758035 (2004-07-01), Smaling
patent: 6772584 (2004-08-01), Chun et al.
patent: 6804950 (2004-10-01), Kong et al.
patent: 6811757 (2004-11-01), Niv et al.
patent: 7060231 (2006-06-01), Cho et al.
patent: 7074370 (2006-07-01), Segal et al.
patent: 7207169 (2007-04-01), Nakanishi et al.
patent: 2005/0067153 (2005-03-01), Wu et al.
patent: 1258441 (1989-08-01), None
patent: WO 01/94006 (2001-12-01), None
Hackam et al., “Air Pollution Control by Electrical Discharges”, vol. 7, Issue No. 5, Oct. 2000, pp. 654-683.
U.S. Appl. No. 11/097,475, filed Apr. 1, 2005, Martin et al.
Stuart Birch, “Toward cleaner diesels”, SAE Automotive Engineering International, vol. 107, No . 11, Nov. 1999, p. 67.
“Toward cleaner diesels”, SAE Automotive Engineering International, vol. 108, No. 12, Dec. 2000, p. 80.
Website Materials re: Electrocat Diesel Particulate Filter, Dec. 15, 2000, 20 pages.
Urashima et al., “Removal of Volatile Organic Compounds from Air Streams and Industrial Flue Gases by Non-Thermal Plasma Technology”, IEEE Transactions on Dielectrics and Electrical Insulation, vol. 7, No. 5, Oct. 2000, pp. 602-614.
Khair et al., “Synergistic Approach to Reduce Nitrogen Oxides and Particulate Emissions from Diesel Engines, 08-9051”, Southwest Research Institute Website, 1999, 17 pages.
Ismail et al., “The Heat Transfer Characteristics of Exhaust Gas Recirculation (EGR) Cooling Devices”, International Mechanical Engineering Congress and Exposition, Nov. 2002, pp. 1-9.

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