A system is provided and may include a compressor having a motor and a refrigeration circuit including an evaporator and a condenser fluidly coupled to the compressor. The system may further include a first sensor producing a signal indicative of one of current and power drawn by the motor, a second...http://www.google.com/patents/US20090071175?utm_source=gb-gplus-sharePatent US20090071175 - REFRIGERATION MONITORING SYSTEM AND METHOD
