Patent ID: 9243828
Filing Date: 2016-01-26
CPC Classification: F25B,G05D,Y10T

Claim Text:
1. A method of measuring weight of recovered refrigerant, comprising: (i) connecting a refrigerant recovery path and refrigerant recharge path through a valve block; (ii) filling said refrigerant recovery path and refrigerant recharge path with refrigerant from a refrigerant storage tank; (iii) measuring a first weight of the refrigerant storage tank; (iv) connecting refrigeration equipment to said refrigerant recovery path through said valve block and recovering said refrigerant; (v) connecting the refrigerant recovery path and refrigerant recharge path through said valve block; (vi) filling said refrigerant recovery path and refrigerant recharge path with refrigerant from the refrigerant storage tank; (vii) measuring a second weight of the refrigerant storage tank; and (viii) calculating a difference between the first weight and the second weight.