Direct numeric affinity pumps sensorless converter
US10670024B2 · kind B2 · utility
0Cited by
12References
16Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 6, 2016 |
| Grant date | Jun 2, 2020 |
| Priority date | — |
| Expiry date | Mar 11, 2037 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF05D2270/335
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
A pumping system having a pump includes a pump controller having a signal processor or processing module configured at least to: receive signaling containing information about pump differential pressure, flow rate and corresponding power data at motor maximum speed published by pump manufacturers, as well as instant motor power and speed; and determine corresponding signaling containing information about instant pump differential pressure and flow rate using a combined affinity equation and numerical interpolation algorithm to control the pump in the pumping system, based upon the signaling received.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.