Patent ID: 9677795
Date: 2017-06-13
CPC Classifications: F25B

Claim:
1. A chiller system, comprising: a condenser; an evaporator, the evaporator having a spill over port configured to allow refrigerant to spill over from the evaporator; an expansion device configured to regulate a refrigerant flow into the evaporator; a heat exchanger; a heat source; a temperature sensor, the heat exchanger is configured to receive refrigerant spilled over through the spill over port, the heat exchanger is configured to receive the heat source to vaporize the spilled over refrigerant in the heat exchanger, and the temperature sensor is configured to measure a temperature of the spilled over refrigerant when the spilled over refrigerant departs the heat exchanger, a refrigerant level measuring device, wherein the refrigerant level measuring device includes a measuring chamber, a fluid communication passage connected from the condenser to the measuring chamber, and a return passage connected from the measuring chamber to the condenser, and is configured to measure a refrigerant level in the condenser by measuring a refrigerant level in the measuring chamber,