System and method for calculating temperature in an air conditioning system
US9696072B2 · kind B2 · utility
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20Claims
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Key dates
| Filing date | Nov 17, 2014 |
| Grant date | Jul 4, 2017 |
| Priority date | — |
| Expiry date | Oct 1, 2035 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF25B2345/005
- WIPO fieldThermal processes and apparatus
- WIPO sectorMechanical engineering
Abstract
A method of operating a refrigerant service system to charge an air conditioning circuit includes pre-charging a predetermined pre-charge quantity of refrigerant into the air conditioning circuit, determining an average temperature in the air conditioning circuit based upon a pressure in the air conditioning circuit after pre-charging the air conditioning circuit, determining a charge compensation value based upon the determined average temperature in the air conditioning circuit, and charging the air conditioning circuit with a quantity of refrigerant based upon the charge compensation value.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.