Multizone variable damper for use in an air passageway
US10058012B2 · kind B2 · utility
1Cited by
46References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 17, 2010 |
| Grant date | Aug 21, 2018 |
| Priority date | — |
| Expiry date | Jul 18, 2034 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF24F2221/40
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A multizone variable damper for air passageways having a plurality of damper zones, a plurality of opposed blades that are rotatable about a horizontal axis, a pair of blades of the plurality of blades being provided in each zone of the plurality of damper zones, and an actuator for each pair of blades, each actuator being configured to independently rotate each of the pairs of blades of the plurality of opposed blades so as to selectively and independently control a degree of openness of each of the pairs of blades of the plurality of opposed blades in each damper zone of the plurality of damper zones.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.