Electrical heaters for exhaust aftertreatment systems and assemblies
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United States of America Patent
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Sep 3, 2024
Grant Date -
Jun 20, 2024
app pub date -
Apr 26, 2022
filing date -
Apr 26, 2022
priority date (Note) -
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status (Latency Note)
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Abstract
An electrical heater assembly, an exhaust treatment assembly, and method of manufacture. The electrical heater assembly includes a heater body including a plurality of slots disconnecting portions of the heater body from each other. Each slot includes a first end portion that extends to a second end portion, and a receptacle portion located between the first end portion and the second end portion. Portions of the heater body not disconnected by the plurality of slots form a serpentine current-carrying path through the heater body. The first end portion of each slot has a first width, the second end portion of each slot has a second width, and the receptacle portion of each slot has a third width, and the third width is larger than both the first width and the second width.
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