Damper blade system
US5836814A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Sep 16, 1996 |
| Grant date | Nov 17, 1998 |
| Priority date | — |
| Expiry date | Sep 16, 2016 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T137/87475
- WIPO fieldThermal processes and apparatus
- WIPO sectorMechanical engineering
Abstract
A damper blade system for positioning proximate a duct includes a housing with two, opposing sides; a first damper blade; and a second damper blade. The first damper blade is rotatably supported between the two sides of the housing, and one end of the first damper blade is coupled to a damper gear. The second damper blade is also rotatably supported between two sides of the housing adjacent the first damper blade, and one end of the second damper blade is coupled to another damper gear. The system further includes a support disposed on the side of the housing with the damper gears; a rack, having a plurality of teeth engaging the damper gears, movably disposed in the support; and a drive means for moving the rack along the support.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.