Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Method and system using a reduction catalyst to reduce nitrate oxide










Image Number 7 for United States Patent #8117833.

A method of controlling a system having an internal combustion engine, a filter in an exhaust passage, a reduction catalyst downstream of said filter capable of reducing nitrate oxide contained in the exhaust gas with reductant supplied thereto is provided. The method may include, in a first mode, combusting a first amount of particulate matter trapped in said filter and supplying a first amount of reductant to said reduction catalyst when an amount of particulate matter trapped in said filter is less than a predetermined trapping amount (.alpha.). The method may further include, in a second mode, combusting a second amount of particulate matter that is greater than said first amount of particulate matter and supplying a second amount of reductant to said reduction catalyst when an amount of particulate matter trapped in said filter is equal to or greater than said predetermined trapping amount (.alpha.).








 
 
  Recently Added Patents
Computer device with digitizer calibration system and method
Parallel active optical cable
Serial transmission system including transmitter apparatus and receiver apparatus, for use in transmission of AV data
Mobile terminal based on W-CDMA system having receive diversity function and system thereof
Ascertaining presentation format based on device primary control determination
Aluminum oxide coated cutting tool and method of manufacturing thereof
Signal apparatus for facilitating safe backup of vehicles
  Randomly Featured Patents
Board game
Optical-filter array, optical transmitter and optical transmission system
Method for manufacturing light emitting diode package
Watch
Evaluation and production of attic oil
Method for producing polysilanes
Small size fast steering mirror having small size and excellent vibration characteristics
High-capacitance varistor
Thermal barrier coating resistant to sintering
Portable computer which has a task selection menu allowing easy selection and execution of arbitrary application software without entering a command