Thermal relief valve
US5641119A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Jun 2, 1995 |
| Grant date | Jun 24, 1997 |
| Priority date | — |
| Expiry date | Jun 2, 2015 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG05D23/022
- WIPO fieldControl
- WIPO sectorInstruments
Abstract
The present invention relates to a thermal relief valve that includes a main body with an inner annular surface that includes a shoulder proximal to one end of the main body. The relief valve also includes a spring that rests on the shoulder of the inner annular surface of the main body. The relief valve additionally includes a thermal actuator component with a cup section and a piston section attached to the cup section. The cup section is separated from the piston section by a shoulder. The shoulder rests upon the spring. The relief valve also includes an O-ring that rests upon the shoulder of the thermal actuator and a cap that rests upon an O-ring within the main body of the relief valve.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.