Patent · US Expired

Article using shape-memory alloy to improve and/or control the speed of recovery

US4839479A · kind A · utility

5Cited by
28References
6Claims
0Family size

Inventor

Key dates

Filing dateJul 18, 1988
Grant dateJun 13, 1989
Priority date
Expiry dateJul 18, 2008

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH01H35/14
  • WIPO fieldElectrical machinery, apparatus, energy
  • WIPO sectorElectrical engineering

Abstract

An article in the form of a projectile, a shock-sensitive switch or a sabot having an active component of shape-memory alloy which exhibits the shape-memory effect to provide a mechanical movement in response to a pressure wave passing through the article is disclosed. A thermal enhancement component which rapidly generates heat to initiate the shape-memory effect is also disclosed.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.