Air-conditioning apparatus
US9372021B2 · kind B2 · utility
2Cited by
0References
16Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 4, 2010 |
| Grant date | Jun 21, 2016 |
| Priority date | — |
| Expiry date | Feb 12, 2032 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF25D2500/04
- WIPO fieldThermal processes and apparatus
- WIPO sectorMechanical engineering
Abstract
While a compressor is stopped, a change rate of a refrigerant temperature per predetermined time is calculated on the basis of a value detected by a refrigerant temperature sensor, and a heating amount from a compressor heating unit to the compressor is made proportional to the change rate of the refrigerant temperature.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.