HIGH-FREQUENCY CONTROL OF DEVICES INTERNAL TO A HERMETIC COMPRESSOR
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United States of America Patent
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N/A
Issued Date -
Jan 10, 2008
app pub date -
Jul 6, 2006
filing date -
Jul 6, 2006
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
A system for transmitting control signals to internal devices of a compressor is provided. The compressor includes a housing, a hermetic power terminal and a motor for powering the compressor. The system includes a frequency converter that is disposed externally of the compressor housing. The frequency converter converts a control signal to a high-frequency signal. A frequency decoder is disposed inside the compressor housing. The frequency decoder decodes and converts the high-frequency signal to a driver signal. An AC input power source provides electrical power to the motor, and power transmission lines connect the AC input power source to the hermetic power terminal. The frequency converter is electrically coupled to the frequency decoder by two power transmission lines. The frequency decoder generates a driver signal in response to the high frequency signal for operating at least one of the internal devices of the compressor.
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