Fan device, motor and liquid pump
US10883520B2 · kind B2 · utility
0Cited by
11References
15Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 7, 2017 |
| Grant date | Jan 5, 2021 |
| Priority date | — |
| Expiry date | Dec 4, 2038 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF05D2300/50211
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
A fan device includes a driving device, a fan wheel, and a locking fastener. The driving device includes a shaft. The fan wheel defines a shaft hole to receive the shaft. The locking fastener has a thermal expansion coefficient same as a thermal expansion coefficient of the shaft.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.