Self-draining base pan for an air conditioner
US4748828A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Jun 29, 1987 |
| Grant date | Jun 7, 1988 |
| Priority date | — |
| Expiry date | Jun 29, 2007 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF25D21/14
- WIPO fieldThermal processes and apparatus
- WIPO sectorMechanical engineering
Abstract
The base pan of a heat pump has a plurality of drainage openings formed near the periphery thereof such that either a single row coil or a multiple row coil heat exchanger may be used therewith to obtain adequate drainage of defrost liquid while at the same time preventing any downward movement of molten metal or hot particles through the drainage openings. The openings are located directly under the single or outside coil and a slanted shelf is placed directly under the location where the inner coil(s) would be placed, with the slanted shelf acting as a barrier for hot materials in a single coil apparatus and as a conduit for drainage to the opening when used with a multiple coil apparatus.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.