Power plants – Internal combustion engine with treatment or handling of... – By means producing a chemical reaction of a component of the...
Reexamination Certificate
2011-03-01
2011-03-01
Denion, Thomas E (Department: 3748)
Power plants
Internal combustion engine with treatment or handling of...
By means producing a chemical reaction of a component of the...
C060S274000, C060S285000, C060S289000, C060S299000, C060S315000
Reexamination Certificate
active
07895825
ABSTRACT:
Disclosed herein is a method and apparatus for reducing exhaust gases in an initial cold start period, in which a main catalyst unit is connected to an engine through an exhaust pipe, including the steps of receiving signals for stopping engine operation from an engine, and removing engine exhaust gases remaining in an exhaust pipe located at an inlet of a main catalyst unit.
REFERENCES:
patent: 5560202 (1996-10-01), Hosoya et al.
patent: 5979157 (1999-11-01), Kinugasa et al.
patent: 6619032 (2003-09-01), Kakuyama et al.
patent: 03179132 (1991-08-01), None
Han Hyun-Sik
Kang Hee Chun
Kim Eun-Seok
Lee Tae-woo
Yeon Tae Hun
Denion Thomas E
Heesung Engelhard Corporation
Klasterka Audrey
Ohlandt Greeley Ruggiero & Perle L.L.P.
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