Apparatus and method for installation by unlicensed personnel of a pre-charged, ductless heating/cooling system
US8850832B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Aug 24, 2012 |
| Grant date | Oct 7, 2014 |
| Priority date | — |
| Expiry date | Mar 1, 2033 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF24F1/20
- WIPO fieldThermal processes and apparatus
- WIPO sectorMechanical engineering
Abstract
A pre-charged heating/cooling system is shown for installation by unlicensed personnel. An outside unit includes an outside coil, outside fan, compressor and a reversing valve. An inside unit has an inside coil, inside fan for drawing air through the inside coil and discharging the conditioned air into the enclosed space, and a power cord connection. A cable sheath contains all connections from the inside unit to the outside unit with electrical connections being secured in position on the outside unit by a cover and a bracket. An expandable window sill holds and seals the cable sheath in a window opening.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.