Blower and a blowing vacuum device
US10227988B2 · kind B2 · utility
10Cited by
9References
15Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 27, 2015 |
| Grant date | Mar 12, 2019 |
| Priority date | — |
| Expiry date | Nov 27, 2035 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF04D29/545
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
A blower, comprising: a housing comprising an air inlet, a motor disposed in the housing, an axial fan configured to be driven to rotate about a fan axis and generate an air flow by the motor, a blowing tube configured to be coupled to the housing and comprising an air outlet, a duct configured to guide the air flow to the air outlet, the housing and the blowing tube comprises an air passage which comprises an upstream region between the inlet and the axial fan and a downstream region between the axial fan and the air outlet, the motor is disposed in the upstream region and the duct is disposed in the downstream region.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.