Blowing-suction device
US10398095B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Nov 27, 2015 |
| Grant date | Sep 3, 2019 |
| Priority date | — |
| Expiry date | Mar 14, 2036 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE01H1/0863
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
Disclosed is a blowing-suction device, comprising a housing; an air pipe extending along a longitudinal direction and connected to the housing; a motor located in the housing and providing rotational motion; and a fan rotationally generating an airflow; wherein when the fan operably rotates along a first direction, the blowing-suction device is in a blowing mode; and when the fan operably rotates along a second direction, the blowing-suction device is in a suction mode.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.