| Patent Filing: 1/19/2021 |
| Application Abstract: Valves that include a hollow valve stem with an internal heat transfer fluid that naturally circulates within the stem acts as a heat pipe to the valve bonnet to prevent fluid within the valve from freezing. This approach protects the valve body, stem, bonnet and sealing material such as valve packing or a bellows from being damaged by frozen fluid at any location within the valve. |
| Date Added to Site: 3/28/2024 |
| Tech ID: SD 14962.1 |
| Patent Type: Pending |
| This invention was made with Government support under Contract No. DE-NA0003525 awarded by the United States Department of Energy/National Nuclear Security Administration. The Government has certain rights in the invention. |
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