The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Feb. 16, 2021

Filed:

Aug. 01, 2019
Applicant:

Toyota Jidosha Kabushiki Kaisha, Toyota, JP;

Inventor:

Tetsuya Sakuma, Gotemba, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F01N 3/20 (2006.01); B01D 53/86 (2006.01); B01D 53/94 (2006.01);
U.S. Cl.
CPC ...
F01N 3/202 (2013.01); B01D 53/86 (2013.01); B01D 53/94 (2013.01); F01N 2240/18 (2013.01); F01N 2570/12 (2013.01);
Abstract

An exhaust after treatment system provided in an exhaust passage of an internal combustion engine, comprising an adsorption layer having the function of adsorbing hydrocarbons in the exhaust, a catalyst layer arranged at the same position as the adsorption layer in the direction of flow of exhaust or at the downstream side from the adsorption layer and having an oxidation function of oxidizing the hydrocarbons, and a thermal energy generator generating thermal energy, in the thermal energy generated by the thermal energy generator, the thermal energy supplied to the catalyst layer being made larger than the thermal energy supplied to the adsorption layer.


Find Patent Forward Citations

Loading…