Internal combustion engine and control method thereof

Details Internal combustion engine and control method thereof Internal combustion engine and control method thereof

2007-09-13

2011-11-15

Leung, Quyen (Department: 2834)

Power plants

Fluid motor means driven by waste heat or by exhaust energy...

With supercharging means for engine

C060S286000, C060S299000, C060S274000, C060S285000, C123S559100, C123S528000

Reexamination Certificate

active

08056337

ABSTRACT:
In a V-type six cylinder engine, cylinder groups are provided in which a plurality of cylinders are arranged divided into left and right first and second banks. An intake pipe, a first exhaust pipe, and a second exhaust pipe are connected to the cylinder groups of the banks. A first upstream three-way catalyst and a first control valve are provided in one exhaust pipe while a second upstream three-way catalyst and a second control valve are provided in the other exhaust pipe. The exhaust pipes are communicated together upstream of the upstream three-way catalysts and the control valves by a communicating pipe. A third control valve that adjusts the flowrate of exhaust gas is provided in the communicating pipe.

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Office Action issued Dec. 6, 2010, in China Patent Application No. 200780033821.3 (with English translation).

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