Temperature and pressure relief valve with oil-immersed mechanism
US9939174B2 · kind B2 · utility
0Cited by
13References
12Claims
0Family size
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Key dates
| Filing date | Jul 27, 2016 |
| Grant date | Apr 10, 2018 |
| Priority date | — |
| Expiry date | Jul 27, 2036 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF24H9/2007
- WIPO fieldThermal processes and apparatus
- WIPO sectorMechanical engineering
Abstract
Water heater relief valves intended to safeguard against overpressure and overtemperature emergencies are frequently rendered inoperative by corrosion or calcification. These problems are ameliorated by enclosing all or part of the valve mechanism in a sealed chamber containing a corrosion inhibiting medium, which may be an oil.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.