20240018891. EXHAUST GAS PURIFICATION SYSTEM simplified abstract (Unknown Organization)

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EXHAUST GAS PURIFICATION SYSTEM

Organization Name

Unknown Organization

Inventor(s)

Koji Sugiura of Toyota-shi (JP)

Seiji Nakahigashi of Toyota-shi (JP)

Masatoshi Ikebe of Kakegawa-shi (JP)

Takaya Ota of Kakegawa-shi (JP)

Takeshi Morishima of Kakegawa-shi (JP)

Eiji Harada of Kakegawa-shi (JP)

EXHAUST GAS PURIFICATION SYSTEM - A simplified explanation of the abstract

This abstract first appeared for US patent application 20240018891 titled 'EXHAUST GAS PURIFICATION SYSTEM

Simplified Explanation

The abstract describes an exhaust gas purification system that reduces the emission of carbon monoxide (CO) from an internal combustion engine. The system consists of a three-way catalyst, a particulate filter, and a control device. The catalyst and filter are positioned upstream and downstream of the exhaust channel, respectively. The control device manages the engine to perform fuel cut during deceleration. The particulate filter includes a honeycomb substrate with a porous partition wall that divides the cells. The cells have an inflow and outflow side, with the inflow cell having an open inflow side and sealed outflow side, and the outflow cell having a sealed inflow side and open outflow side. The outflow cell side catalyst layer is located on the outflow cell side catalyst region, extending from the outflow side to a position towards the inflow side of the partition wall.

  • The exhaust gas purification system reduces carbon monoxide emissions from an internal combustion engine.
  • It includes a three-way catalyst, a particulate filter, and a control device.
  • The catalyst and filter are positioned upstream and downstream of the exhaust channel, respectively.
  • The control device manages the engine to perform fuel cut during deceleration.
  • The particulate filter has a honeycomb substrate with a porous partition wall dividing the cells.
  • The cells include an inflow cell and an outflow cell adjacent across the partition wall.
  • The inflow cell has an open inflow side and a sealed outflow side.
  • The outflow cell has a sealed inflow side and an open outflow side.
  • The outflow cell side catalyst layer is located on the outflow cell side catalyst region, extending from the outflow side to a position towards the inflow side of the partition wall.

Potential Applications

  • Automotive industry: The exhaust gas purification system can be used in vehicles to reduce carbon monoxide emissions and comply with emission regulations.

Problems Solved

  • Emission reduction: The system effectively suppresses the emission of carbon monoxide, improving air quality and reducing environmental pollution.

Benefits

  • Compliance with regulations: The system helps vehicles meet emission standards by reducing carbon monoxide emissions.
  • Improved air quality: By reducing carbon monoxide emissions, the system contributes to cleaner air and a healthier environment.


Original Abstract Submitted

provided is an exhaust gas purification system that allows suppressing the emission of carbon monoxide (co). an exhaust gas purification system includes a three-way catalyst and a particulate filter and a control device. the three-way catalyst and the particulate filter are arranged respectively on an upstream side and a downstream side of an exhaust channel connected to an internal combustion engine. the control device controls the internal combustion engine so as to execute fuel cut during a deceleration operation of the internal combustion engine. the particulate filter includes a honeycomb substrate and an outflow cell side catalyst layer. the honeycomb substrate includes a porous partition wall defining a plurality of cells extending from an inflow side end surface to an outflow side end surface. the plurality of cells include an inflow cell and an outflow cell adjacent across the partition wall. the inflow cell has an open inflow side end and a sealed outflow side end. the outflow cell has a sealed inflow side end and an open outflow side end. the outflow cell side catalyst layer is disposed on an outflow cell side catalyst region extending from an outflow side end to a position apart toward an inflow side of the partition wall along an extending direction.

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