Patent · US Expired

Polymer actuator

US7443087B2 · kind B2 · utility

4Cited by
4References
16Claims
0Family size

Assignee

Inventors

Key dates

Filing dateOct 4, 2004
Grant dateOct 28, 2008
Priority date
Expiry dateOct 4, 2024

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10S310/80
  • WIPO fieldEngines, pumps, turbines
  • WIPO sectorMechanical engineering

Abstract

A polymer actuator comprising a conductive powder compact comprising a conductive polymer and a dopant, an ion donor, a work electrode, and a counter electrode, whereby it contracts or extends when voltage is applied between the work electrode and the counter electrode.

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