Inferential temperature control system
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United States of America Patent
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Jan 17, 2012
Grant Date -
Jun 11, 2009
app pub date -
Feb 17, 2009
filing date -
Oct 29, 2004
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A system manages the temperature of thermoplastic material by initiating a default heating cycle in response to a sensor failure. The system may thus continue to heat the thermoplastic material according to the default heating cycle until the sensor can be repaired or replaced. A system controller implements the default heating cycle using a stored profile. That is, the controller causes a heating element to generate heat according to a default heating profile retrieved from a memory. The profile may be determined using historical heating data, user input and/or a factory setting.
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