Tubular thick film heater protection apparatus and tubular thick film heater
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United States of America Patent
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Sep 24, 2024
Grant Date -
Aug 12, 2021
app pub date -
Apr 27, 2021
filing date -
Nov 1, 2018
priority date (Note) -
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status (Latency Note)
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Abstract
The present invention discloses a tubular thick film heater protection apparatus, including: an upper tube, where the upper tube includes an upper tube side surface and a toroid; an outer ring surface of the toroid is integrally connected to an upper portion of the upper tube side surface, a flange downwardly extends along an inner ring surface of the toroid, and a space between the flange and an inner side wall of the upper tube side surface forms an upper groove; and a base, where the base is provided with a lower groove, the base is provided with an elastic contact piece, and a terminal contact of the elastic contact piece can be connected to an electrode through contact; and the base is provided with a wiring terminal. The present invention further discloses a tubular thick film heater with a protection function.
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