公开(公告)号：US20160061081A1

公开(公告)日：2016-03-03

申请号：US14801017

申请日：2015-07-16

申请人： TOYOTA JIDOSHA KABUSHIKI KAISHA ,  IBIDEN CO., LTD.

发明人： Shoji OGIMURA ,  Hideyuki KOMITSU ,  Fumiyuki MUTSUDA ,  Tomoyoshi NAKAMURA

IPC分类号： F01N3/20 ,  F01N3/08

CPC分类号： F01N3/2026 ,  F01N3/005 ,  F01N3/0892 ,  F01N3/2013 ,  F01N13/14 ,  F01N13/1838 ,  F01N13/1866 ,  F01N2470/20 ,  F01N2470/24 ,  Y02T10/26

摘要： A catalytic converter apparatus includes a catalyst substrate that supports a catalyst for cleaning exhaust gas exhausted from an internal combustion engine, the catalyst substrate being heated by electrification; a case formed in a tubular shape, the catalyst substrate being accommodated inside the case and the case being attached to an exhaust pipe; an outer pipe provided at the case, the outer pipe being disposed at least at an upstream side of an exhaust gas flow direction relative to the catalyst substrate; an inner pipe provided at the case inside the outer pipe, an axial direction end portion of the inner pipe being formed in a tapered shape and a distal end face of the axial direction end portion being formed in a curved surface shape; and an insulating layer provided at least at an inner side face and the axial direction end portion of the inner pipe.

摘要翻译： 催化转化装置包括：催化剂基板，其支撑用于清洗从内燃机排出的废气的催化剂，所述催化剂基板通过加热加热; 形成为管状的壳体，所述催化剂基板容纳在所述壳体内，所述壳体附接到排气管; 设置在所述壳体上的外管，所述外管至少设置在相对于所述催化剂基板的废气流动方向的上游侧; 内管，其设置在所述外管的外侧的壳体的内侧，所述内管的轴向端部形成为锥形，所述轴向端部的前端面形成为曲面形状， 以及至少设置在内管的内侧面和轴向端部的绝缘层。