Solar water heating system
US4119087A · kind A · utility
28Cited by
8References
3Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jul 26, 1976 |
| Grant date | Oct 10, 1978 |
| Priority date | — |
| Expiry date | Jul 26, 1996 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02E10/40
- WIPO fieldThermal processes and apparatus
- WIPO sectorMechanical engineering
Abstract
A solar water heating system in which piping arrangements and solenoid operated valves are combined with a water storage heater and solar heater or collectors in a manner to protect the system against over temperature and against freezing without the use of antifreeze or auxiliary heat exchanger systems.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.