Safety system and method for pump and motor
US8564233B2 · kind B2 · utility
Assignees
Inventors
Key dates
| Filing date | Jun 9, 2009 |
| Grant date | Oct 22, 2013 |
| Priority date | — |
| Expiry date | Aug 23, 2030 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH02H7/0822
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
Embodiments of the invention provide a variable frequency drive system and a method of controlling a pump driven by a motor with the pump in fluid communication with a fluid system. The drive system and method can provide one or more of the following: a sleep mode, pipe break detection, a line fill mode, an automatic start mode, dry run protection, an electromagnetic interference filter compatible with a ground fault circuit interrupter, two-wire and three-wire and three-phase motor compatibility, a simple start-up process, automatic password protection, a pump out mode, digital input/output terminals, and removable input and output power terminal blocks.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.