Electrically heated catalyst device
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United States of America
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Feb 25, 2020
Grant Date -
Dec 5, 2019
app pub date -
May 13, 2019
filing date -
May 13, 2019
priority date (Note) -
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Abstract
An electrically heated catalyst device that can uniformly heat a catalyst via comb-shaped electrodes even when current is repeatedly made to flow through the electrodes. The device includes a carrier having a metal catalyst supported thereon, a pair of comb-shaped electrodes each having wire portions, a base layer between each comb-shaped electrode and the carrier, and a fixation layer for fixing each wire portion on the base layer. The fixation layer is rectangular in shape when the outer peripheral surface of the carrier is seen from a direction orthogonal to the central axis of the carrier along the longitudinal direction of the device. A pair of opposite first sides of the fixation layer are parallel with the extending direction of each wire portion on opposite sides thereof, and a pair of second sides coupling opposite ends of the first sides are orthogonal to the extending direction of each wire portion.
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