Pump control system
US6939109B2 · kind B2 · utility
28Cited by
4References
14Claims
0Family size
Assignees
Inventors
Key dates
| Filing date | Jul 18, 2002 |
| Grant date | Sep 6, 2005 |
| Priority date | — |
| Expiry date | Oct 23, 2022 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02B30/70
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
The present invention provides a system which comprises primary supply pumps and secondary supply pumps and controls pressurized water supply systems, air-conditioning systems, or the like that supply chilled water or hot water using these pumps. In the present invention, calculation is carried out based on measurement signals obtained by measuring pressure, flow rate, open rate of valves, etc. by providing sensors in supply channels.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.