Debris blowing apparatus
US5701632A · kind A · utility
14Cited by
7References
6Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 3, 1996 |
| Grant date | Dec 30, 1997 |
| Priority date | — |
| Expiry date | Sep 3, 2016 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA01G20/47
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
A debris blowing apparatus with a motor, a fan driven by the motor, an inlet to the fan and an air outlet from the fan. A portion of the air which is emitted through the outlet is recycled through a metering aperture into the air inlet to maintain a constant load on fan whilst varying the air output.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.