Electroactive polymer-based pump

Details Electroactive polymer-based pump Electroactive polymer-based pump

2008-04-08

2008-04-08

Kershteyn, Igor (Department: 3745)

Expansible chamber devices

Collapsible chamber wall portion

Wall portion formed of flexible material

C092S093000, C092S105000

Reexamination Certificate

active

11161269

ABSTRACT:
Methods and devices for pumping fluid are disclosed herein. In one exemplary embodiment, a pump is provided having a first member with a passageway formed therethrough, and a plurality of electrically expandable actuators in communication with the first member and adapted to change shape upon the application of energy thereto such that sequential activation of the activators can create a pumping action to move fluid through the first member.

REFERENCES:
patent: 4344743 (1982-08-01), Bessman et al.
patent: 6194815 (2001-02-01), Carroll
patent: 6376968 (2002-04-01), Taylor et al.
patent: 2005/0040733 (2005-02-01), Goldenberg et al.
patent: 2005/0085693 (2005-04-01), Belson et al.
patent: WO-01/06579 (2001-01-01), None
patent: WO-03081762 (2003-10-01), None
patent: WO-2004031582 (2004-04-01), None

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