Stirring hot plate
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United States of America Patent
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Issued Date -
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app pub date -
Nov 21, 2005
filing date -
Aug 21, 2003
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
A stirring hot plate for simultaneously heating and stirring a mixture includes a phase controlled motor that spins magnets which couple to, and thereby spin, a stir bar within the mixture. In addition to spinning the magnets, the motor includes an operational mode in which the motor is rapidly braked thereby quickly spinning down the stir bar. The stirring hot plate also includes a visual indicator to the user that the platform is hot-to-the-touch that is especially effective when the stirring hot plate is not in use.
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