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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.

Patent No.:

US 10738673 B1

PDFFull Text
Date of Patent:
Aug. 11, 2020

Filed:

Apr. 27, 2017

Electrically heated catalytic converter and method of manufacturing the same

Applicants:

Toyota Jidosha Kabushiki Kaisha, Toyota-shi, Aichi-ken, JP;

Ngk Insulators, Ltd., Nagoya, Aichi-prefecture, JP;

Inventors:

Rentaro Mori, Kasugai, JP;

Yoshiyuki Kasai, Kasugai, JP;

Yoshimasa Omiya, Nagoya, JP;

Assignees:

TOYOTA JIDOSHA KABUSHIKI KAISHA, Toyota-shi, Aichi-ken, JP;

NGK INSULATORS, LTD., Nagoya, Aichi-prefecture, JP;

Attorney:

Sughrue Mion, PLLC

Primary Examiner:

Joseph M Pelham

Int. Cl.
CPC ...
F01N 3/20 (2006.01); H05B 3/02 (2006.01); H05B 3/03 (2006.01); H05B 3/08 (2006.01); F01N 3/28 (2006.01); C23C 18/12 (2006.01); B01J 37/08 (2006.01); B01J 37/03 (2006.01); B01D 53/94 (2006.01); B01J 23/42 (2006.01); B01J 23/44 (2006.01); B01J 23/46 (2006.01); B01J 27/224 (2006.01); B01J 35/00 (2006.01); B01J 35/04 (2006.01); B05D 3/02 (2006.01); B05D 7/14 (2006.01); H05B 3/00 (2006.01); H05B 3/14 (2006.01);
U.S. Cl.
CPC ...
F01N 3/2026 (2013.01); B01D 53/9454 (2013.01); B01J 23/42 (2013.01); B01J 23/44 (2013.01); B01J 23/464 (2013.01); B01J 27/224 (2013.01); B01J 35/0006 (2013.01); B01J 35/0033 (2013.01); B01J 35/04 (2013.01); B01J 37/036 (2013.01); B01J 37/08 (2013.01); B05D 3/0254 (2013.01); B05D 7/14 (2013.01); C23C 18/122 (2013.01); C23C 18/1212 (2013.01); C23C 18/1254 (2013.01); C23C 18/1275 (2013.01); C23C 18/1295 (2013.01); F01N 3/2828 (2013.01); H05B 3/0014 (2013.01); H05B 3/03 (2013.01); H05B 3/08 (2013.01); H05B 3/148 (2013.01); B01D 2255/102 (2013.01); B01D 2255/2092 (2013.01); B01D 2255/407 (2013.01); H05B 2203/024 (2013.01); Y02T 10/22 (2013.01); Y02T 10/26 (2013.01);
Abstract

Provided is an electrically heated catalytic converter including at least a conductive substrate and an electrode member that is fixed to the substrate, in which a protective film is formed on a surface of at least a portion of the electrode member. In the electrically heated catalytic converter, at least a portion of the protective film is formed of AlO, SiO, a composite material of AlOand SiO, or a composite oxide including AlO, SiO, or a composite material of AlOand SiOas a major component, the protective film has an amorphous structure or a partially crystalline glass structure having a crystallization rate of 30 vol % or lower with respect to the entire portion of the protective film, and a thickness of the protective film is in a range of 100 nm to 2 μm.

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