Polyurethane elastomer actuator

Details Polyurethane elastomer actuator Polyurethane elastomer actuator

1996-06-03

1999-11-02

Jones, Deborah

Electrical generator or motor structure

Non-dynamoelectric

Piezoelectric elements and devices

310330, 310332, 310800, H04R 1700

Patent

active

059776854

ABSTRACT:
A polyurethane elastomer actuator comprising a polyurethane elastomer 1 capable of deforming due to the orientation by an electric field, wherein the shrinkage displacement occurring at the time of the application of an electric field is transformed into other displacement. This polyurethane elastomer actuator does not require electrolyte and high voltage. Since it is not accompanied by chemical reactions and heat generation, its durability hardly deteriorates. This actuator deforms largely during driving.

REFERENCES:
patent: 3772537 (1973-11-01), Clifford et al.
patent: 4245172 (1981-01-01), Shirley
patent: 4435667 (1984-03-01), Kolm et al.
patent: 4868447 (1989-09-01), Lee et al.
patent: 5231326 (1993-07-01), Echols
patent: 5376857 (1994-12-01), Takeuchi et al.
patent: 5610795 (1997-03-01), Snelling
07-240544, Polyurethane Elastomer Actuator; Kasazaki et al.,Patent Abstracts of Japan, Sep. 1995.
06-85339, Polyurethane Elastomer Actuator; Hirai et al., Patent Abstracts of Japan, Mar. 1994.

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