Spa and pool pump and heater control
US5278455A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Dec 13, 1991 |
| Grant date | Jan 11, 1994 |
| Priority date | — |
| Expiry date | Dec 13, 2011 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T137/86397
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A control for a spa and swimming pool pump and heater assembly with diverter valves, includes a selectively actuable pump and spa heater actuator or relay having a first latching circuit, and having a separate first unlatching switch or relay contact, a selectively actuable pump and pool heater actuator or relay having a second latching circuit including the first unlatching switch or relay contact, and having a second unlatching switch or relay contact in the first latching circuit. The control also includes a diverter valve actuator in parallel to one of the pump and spa heater actuator or relay and pump and pool heater actuator or relay.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.