Fan control system for shipping container
US9488991B2 · kind B2 · utility
0Cited by
1References
11Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Sep 9, 2013 |
| Grant date | Nov 8, 2016 |
| Priority date | — |
| Expiry date | Jun 15, 2035 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG05D23/19
- WIPO fieldControl
- WIPO sectorInstruments
Abstract
A fan control system includes an AC power supply, a fan module, a switch control module, a switch unit, and a control module. The control module includes a number of outputs. The switch unit includes a number of switches. The switch control module includes a number of relays. The control module outputs a high voltage or a low voltage to control the number of relays via the number of switches to change a rotating speed of the fan module.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.