SMA actuator

Details SMA actuator SMA actuator

2008-02-08

2011-11-15

Nguyen, Hoang (Department: 3748)

Power plants

Motor operated by expansion and/or contraction of a unit of...

Mass is a solid

C060S529000

Reexamination Certificate

active

08056335

ABSTRACT:
A shape memory alloy actuated device is provided for engaging a movable object. The device may include a first movable component, a shape memory alloy for moving the first component from a first position to a second position, a biasing element configured to expand the shape memory alloy object and apply a continual tensile force to the shape memory alloy object. The device may be configured to allow the first component move between the first position and the second position other than by transferring force to the shape memory alloy object. The device may also be configured to allow the shape memory alloy object to expand and contract when the first component is retained in the first position.

REFERENCES:
patent: 4524343 (1985-06-01), Morgan et al.
patent: 4556935 (1985-12-01), Lemme
patent: 5771742 (1998-06-01), Bokaie et al.
patent: 2008/0022674 (2008-01-01), Brown et al.

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