Advanced frequency variable pump speed controller and method of operating
US8734119B2 · kind B2 · utility
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1References
8Claims
0Family size
Assignee
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Key dates
| Filing date | Jun 5, 2011 |
| Grant date | May 27, 2014 |
| Priority date | — |
| Expiry date | Feb 10, 2032 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF04B49/06
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
The invention is an apparatus and method of varying power output and decrease noise generation of spa pumps by powering them with a variable frequency power device, digital signals capable of controlling cascaded pumps using ganged controls, and to decrease safety concerns of spas using an integrated water level and motion detectors.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.