Air flow control device
US4807444A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Oct 5, 1987 |
| Grant date | Feb 28, 1989 |
| Priority date | — |
| Expiry date | Oct 5, 2007 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF24F11/74
- WIPO fieldThermal processes and apparatus
- WIPO sectorMechanical engineering
Abstract
An air flow control device for an air conditioner includes a compressor, an outdoor side heat exchanger, expansion means and a room side heat exchanger in sequence, wherein the improvement comprises a room side unit with a upper and lower outlet ports, having the room side heat exchanger therein, upper and lower air-blowing fans disposed in the room side unit so as to face the upper and lower outlet ports, respectively, controller for controlling the operations of the air-blowing fans, a covering member positioned at least one of the outlet ports so as to open and close the corresponding outlet port, and a driving device for controlling the opening and closing operations of the covering member.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.