- 专利标题： Tubular member for exhaust gas treatment device and exhaust gas treatment device using the tubular member, and method of manufacturing tubular member for exhaust gas treatment device
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申请号： US17457754申请日： 2021-12-06
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公开(公告)号： US11661875B2公开(公告)日： 2023-05-30
- 发明人: Daichi Tanaka , Yukinari Shibagaki
- 申请人： NGK INSULATORS, LTD.
- 申请人地址： JP Nagoya
- 专利权人： NGK INSULATORS, LTD.
- 当前专利权人： NGK INSULATORS, LTD.
- 当前专利权人地址： JP Nagoya
- 代理机构： Burr Patent Law, PLLC
- 优先权： JP 2021030170 2021.02.26
- 主分类号： F01N3/20
- IPC分类号： F01N3/20 ; F01N3/28 ; C03C10/00 ; F01N13/14 ; F01N13/16
摘要：
A tubular member for an exhaust gas treatment device according to at least one embodiment of the present invention includes: a tubular main body made of a metal; and an insulating layer formed at least on an inner peripheral surface of the tubular main body. The insulating layer contains glass containing a crystalline substance, and the glass contains silicon, boron, and magnesium.
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