Fan control system
US6824362B2 · kind B2 · utility
41Cited by
9References
26Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jul 15, 2002 |
| Grant date | Nov 30, 2004 |
| Priority date | — |
| Expiry date | Aug 29, 2022 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02B30/70
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
A fan control system uses a closed loop system to adjust the actual operating speed of a fan or fans to a desired operating speed. The desired speed and actual speed are compared in a high gain amplifier to generate a control signal to adjust the actual operating speed of the fan given the feedback.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.