Indoor unit and air conditioning system using the same
US9581349B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jan 24, 2014 |
| Grant date | Feb 28, 2017 |
| Priority date | — |
| Expiry date | Sep 24, 2035 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF24F11/59
- WIPO fieldThermal processes and apparatus
- WIPO sectorMechanical engineering
Abstract
An indoor unit and an air conditioning system using the same include a first communication module to communicate with a wired remote controller, a power switch connected to a power terminal of one or the other side of the first communication module, a ground switch connected to a ground terminal of one or the other side of the first communication module to constitute a pair with the power switch, and an indoor unit controller to turn on the power switch and the ground switch when an indoor unit supplies power to the wired remote controller, and to turn off the power switch and the ground switch when another indoor unit supplies power to the wired remote controller.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.