CPC B60H 1/3225 (2013.01) [B60H 1/3222 (2013.01); B60H 1/3227 (2013.01); B60H 2001/3238 (2013.01); B60H 2001/3248 (2013.01); B60H 2001/3255 (2013.01)] | 20 Claims |
1. A method comprising:
determining a mass flow rate of a refrigerant contained in a cooling circuit of an air-conditioning system, the mass flow rate determined based in part on a measurement of a power supply voltage of a compressor of the air-conditioning system; and
determining a total quantity of the refrigerant contained in the cooling circuit solely based on data internal to the air-conditioning system including the mass flow rate of the refrigerant.
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