Indoor unit of a ventilation system, ventilation and air conditioner
US5299634A · kind A · utility
11Cited by
7References
1Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 18, 1992 |
| Grant date | Apr 5, 1994 |
| Priority date | — |
| Expiry date | Sep 18, 2012 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S454/906
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
In an air conditioner indoor unit having a ventilator and a heat exchanger, there are provided an upper casing of the ventilator made from a porous structure having air permeability, a lower casing of the ventilator having airtightness, and an air chamber formed at the back of the upper casing.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.