Blower pipe with silencer
US5841080A · kind A · utility
112Cited by
3References
8Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 18, 1997 |
| Grant date | Nov 24, 1998 |
| Priority date | — |
| Expiry date | Apr 18, 2017 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF01N2590/06
- WIPO fieldEnvironmental technology
- WIPO sectorChemistry
Abstract
A working machine such as a power blower has a blower pipe with a silencer. The blower pipe has an outer pipe and a perforated inner pipe, with a sound absorbing material disposed between the inner and outer pipes. For ease of handling in use of the power blower, the outer pipe has substantially constant diameter. For ease of storage, the pipe is detachable.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.