Title:
POLYMER ACTUATOR
Document Type and Number:
WIPO Patent Application WO/2004/054082
Kind Code:
A1
Abstract:
A lightweight polymer actuator capable of operating on low voltage and extending/shrinking in its linear direction without any bending displacement. The polymer actuator (1) comprises gel/electrode assemblies (4a, 4b) each having a polymer hydrogel bodies (2a, 2b) containing a polymer having an acidic or basic functional group and an electrode (3a, 3b) incorporated in the polymer hydrogel body (2a, 2b). The gel/electrode assemblies are placed in an electrolytic aqueous solution (6). The volumes of the gel/electrode assemblies (4a, 4b) vary when a voltage is applied between the electrodes (3a, 3b).
Inventors:
ITO HIDETOSHI (JP)
KEZUKA KOICHIRO (JP)
KEZUKA KOICHIRO (JP)
Application Number:
PCT/JP2003/014975
Publication Date:
June 24, 2004
Filing Date:
November 25, 2003
Export Citation:
Assignee:
SONY CORP (JP)
ITO HIDETOSHI (JP)
KEZUKA KOICHIRO (JP)
ITO HIDETOSHI (JP)
KEZUKA KOICHIRO (JP)
International Classes:
B25J19/00; B81B3/00; F03G7/00; H02N11/00; F03G7/06; (IPC1-7): H02N11/00
Foreign References:
| JP2002258001A | 2002-09-11 | |||
| JPH0576599A | 1993-03-30 | |||
| JPH0241685A | 1990-02-09 | |||
| JPH10118874A | 1998-05-12 |
Attorney, Agent or Firm:
Nakamura, Tomoyuki c/o Miyoshi International Patent Office (Toranomon Kotohira Tower 2-8, Toranomon 1-chom, Minato-ku Tokyo, JP)
Download PDF:
Previous Patent: INTERCONNECTING POWER GENERATION SYSTEM
Next Patent: HIGH-EFFICIENCY ALTERNATOR SYSTEM
Next Patent: HIGH-EFFICIENCY ALTERNATOR SYSTEM