Fan housing unit and mounting device therefor
US4336749A · kind A · utility
106Cited by
13References
16Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 18, 1979 |
| Grant date | Jun 29, 1982 |
| Priority date | — |
| Expiry date | Apr 18, 1999 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF24F13/20
- WIPO fieldThermal processes and apparatus
- WIPO sectorMechanical engineering
Abstract
A fan housing assembly includes a fan and an air permeable, decorative grill mounted on a U-shaped bracket in a housing and two rotatably mounted, semi-circular damper plates in said housing, said plates being movable by air blown by said fan between a normal horizontal position blocking the air discharge opening of said housing and a vertical position not blocking said opening; and a mounting device for said housing, said mounting device being rigidly affixed to a support member and being adapted to extend through an opening in the wall of said housing for engagement with and support of said housing.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.