COMPRESSOR PROTECTION AND DIAGNOSTIC SYSTEM
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United States of America Patent
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Issued Date -
Jun 20, 2013
app pub date -
Feb 19, 2013
filing date -
Dec 30, 2003
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Abstract
A compressor diagnostic device is provided and includes at least one of a temperature sensor and a current sensor. The current sensor measures a first current flow through a motor of a refrigerant compressor. The temperature sensor is disposed within and sensing a temperature of a measurement region of an electrical conductor that is configured to close and open to allow and prevent current flow to the motor, respectively. The compressor diagnostic device also includes a controller in communication with the at least one of the current sensor and the temperature sensor. The controller is operable to control the electrical conductor based on a comparison of a second current flow through the motor and a maximum current.
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