Compressor start-up controller
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United States of America Patent
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-
May 21, 1996
Grant Date -
N/A
app pub date -
Feb 16, 1994
filing date -
Feb 16, 1993
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A compressor start-up controller includes a compressing section (37-39) for compressing a refrigerant; a motor (25) connected to the compressing section for rotating the compressing section; a drive circuit (10) connected to the motor for driving the motor; a rotation detecting device (1) connected to the drive circuit for detecting whether the motor is normally rotating; a control unit (8) connected to the drive circuit for operating the motor in a step mode at a very slow rotation at its start-up for effecting electricity conducting control to gradually increase or decrease commutating current at a very slow speed during the step mode operation at the motor start-up.
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