ELECTRIC SLOW-STEWING COOKER
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United States of America Patent
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Issued Date -
Mar 1, 2012
app pub date -
Dec 20, 2010
filing date -
Aug 31, 2010
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
The present invention discloses an electric slow-stewing cooker which has three heating modes, namely high-temperature mode, low-temperature mode and keep-warm mode. The electric slow-stewing cooker of the present invention comprises an upper cover, a cooking container, a barrel-like housing, a base, a control panel, heating elements, a control circuit board (PCB) and a manual switch used for controlling the heating elements, and a power supply unit. The heating elements are divided into two portions with one portion being electrically connected to the manual switch to perform the function of the keep-warm mode and the other portion being electrically connected to the control circuit board to perform the function of both the high-temperature mode and the low-temperature mode. At the present invention only one relay switch is required for the electric slow-stewing cooker, which will result in relatively low cost, and the most frequently used keep-warm mode is controlled by a manual switch, which will result in a high reliability.
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