Internal-combustion engines – Charge forming device – Including exhaust gas condition responsive means
Reexamination Certificate
2005-11-18
2009-06-23
Kwon, John T (Department: 3747)
Internal-combustion engines
Charge forming device
Including exhaust gas condition responsive means
C123S435000, C701S103000
Reexamination Certificate
active
07549414
ABSTRACT:
An internal combustion engine (1), which generates power by burning a mixture of fuel and air in each combustion chamber (3), is provided with an in-cylinder pressure sensor (15) that is located in the combustion chamber (3) for detecting an in-cylinder pressure, and an ECU (20). ECU (20) calculates a heat quantity of air Qairin the combustion chamber (3) and a heat generation quantity of fuel Qfuelprovided into the combustion chamber (3), based upon the in-cylinder pressure detected by the in-cylinder pressure sensor (15) and calculates an air-fuel ratio AF in the combustion chamber (3) based upon the heat generation quantity Qfuelof the fuel and the heat quantity of the air Qair.
REFERENCES:
patent: 4860707 (1989-08-01), Ohata
patent: 6564556 (2003-05-01), Ginter
patent: 6879904 (2005-04-01), Muto et al.
patent: 7182066 (2007-02-01), Goya et al.
patent: 7200486 (2007-04-01), Tanaka et al.
patent: 2006/0224296 (2006-10-01), Goya et al.
patent: 5 59986 (1993-03-01), None
patent: 11 148410 (1999-06-01), None
patent: 2000 513788 (2000-10-01), None
patent: 2001 55952 (2001-02-01), None
patent: 2004 100567 (2004-04-01), None
patent: 2004 108600 (2004-04-01), None
patent: 2005 207407 (2005-08-01), None
Tunestal, P. et al.“Cylinder Air/Fuel Ratio Estimation Using Net Heat Release Data”,Control Engineering Practice, vol. 11, No. 3, pp. 311-318, 2003.
Kwon John T
Oblon & Spivak, McClelland, Maier & Neustadt P.C.
Toyota Jidosha & Kabushiki Kaisha
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