Optimised diametric contraction of a SMA element for use in an energy recovery device
US10563640B2 · kind B2 · utility
1Cited by
5References
3Claims
0Family size
Inventors
Key dates
| Filing date | Dec 16, 2015 |
| Grant date | Feb 18, 2020 |
| Priority date | — |
| Expiry date | Jan 18, 2036 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF03G7/0645
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
An energy recovery device comprising a drive mechanism; an engine comprising a plurality of Shape Memory Alloy (SMA) Negative Thermal Expansion (NTE) elements fixed at a first end by a holder element and connected at a second end to a drive mechanism wherein a compensation mechanism is positioned and adapted to combat the shrinkage of the SMA or NTE elements encountered in heating cycles.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.