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    • 143. 发明授权
    • Electrically heated catalyst
    • 电加热催化剂
    • US09121322B2
    • 2015-09-01
    • US13695532
    • 2010-08-31
    • Takashi WatanabeMamoru Yoshioka
    • Takashi WatanabeMamoru Yoshioka
    • B01D50/00F01N3/20
    • F01N3/2026F01N3/2013F01N3/2871Y02T10/26
    • The present invention is intended to suppress a decrease in insulation resistance between electrodes and a case in an electrically heated catalyst (EHC). The EHC according to the present invention is provided with a heat generation element that is electrically energized to generate heat thereby to heat a catalyst, a case that receives a heat generation element therein, an insulating member that is arranged between the heat generation element and the case for insulating electricity, electrodes that are connected to the heat generation element through an electrode chamber which is a space located between an inner wall surface of the case and an outer peripheral surface of the heat generation element, and a communication passage that makes communication between a portion of an exhaust system of the internal combustion engine, which is other than a portion thereof in which the electrically heated catalyst is arranged, and the electrode chamber.
    • 本发明旨在抑制电极之间的绝缘电阻降低和电加热催化剂(EHC)中的情况。 根据本发明的EHC具有发电元件,其通电以产生热量,从而加热催化剂,其中容纳发热元件的壳体,布置在发热元件和发热元件之间的绝缘构件 通过电极室连接到发热元件的电极,该电极室是位于壳体的内壁表面和发热元件的外周表面之间的空间,以及连通通道, 内燃机的排气系统的一部分,其不同于其中布置有电加热催化剂的部分,以及电极室。
    • 146. 发明授权
    • Electrically heated catalyst
    • 电加热催化剂
    • US08894942B2
    • 2014-11-25
    • US13821595
    • 2010-09-09
    • Mamoru YoshiokaTakashi Watanabe
    • Mamoru YoshiokaTakashi Watanabe
    • B01D50/00
    • F01N3/2026B01D53/9431B01D53/9454F01N3/2013F01N3/2853F01N3/2871F01N2240/16F01N2330/06F01N2330/10F01N2470/08Y02T10/22Y02T10/26
    • Electricity is suppressed from flowing to a case (4) of an electrically heated catalyst (1). Provision is made for a heat generation element (2) adapted to be electrically energized to generate heat, the case (4) in which the heat generation element (2) is contained, a mat (5) arranged between the heat generation element (2) and the case (4) to insulate electricity and at the same time to support the heat generation element (2), an electrode (6) connected to the heat generation element (2) from outside of the case (4), an insulation part (7) to plug a gap between the case (4) and the electrode (6), an electrode chamber (8) which is a space formed around the electrode (6) at an inner side of the case (4) and at an outer side of the heat generation element (2), and which is formed by providing a gap between the electrode (6) and the mat (5), and a partition part (9) arranged in the electrode chamber (8) at an upstream side of the electrode (6) in a direction of flow of an exhaust gas, in such a manner that the exhaust gas flowing through the interior of the electrode chamber (8) impinges against the partition part (9).
    • 抑制电流流向电加热催化剂(1)的壳体(4)。 规定了适用于通电以产生热量的发热元件(2),其中容纳发热元件(2)的壳体(4),布置在发热元件(2)之间的垫(5) )和壳体(4),以隔离电力并同时支撑发热元件(2),从壳体(4)的外部连接到发热元件(2)的电极(6),绝缘体 插入壳体(4)和电极(6)之间的间隙的部分(7),电极室(8),其在壳体(4)的内侧周围形成在电极(6)周围的空间, 通过在电极(6)和垫(5)之间设置间隙而形成的发热元件(2)的外侧,以及配置在电极室(8)内的分隔部(9) 电极(6)的上游侧沿着排气的流动方向,使得流过电极室(8)的内部的废气, 撞击分隔部分(9)。