Thermal actuator
US11261852B2 · kind B2 · utility
2Cited by
8References
15Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 20, 2019 |
| Grant date | Mar 1, 2022 |
| Priority date | — |
| Expiry date | Dec 20, 2039 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16K31/16
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
A thermal actuator has a bellows construction with a heat-transfer fluid (e.g. oil) located outside the bellows and a thermal expansion material (e.g. wax) located inside the interior volume of the bellows.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.