POLYMER FIBER ACTUATORS
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United States of America
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Issued Date -
Jan 6, 2022
app pub date -
Sep 21, 2021
filing date -
Sep 21, 2021
priority date (Note) -
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status (Latency Note)
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Abstract
Actuators (artificial muscles) comprising twist-spun nanofiber yarn or twist-inserted polymer fibers generate actuation when powered electrically, photonically, chemically, thermally, by absorption, or by other means. These artificial muscles utilize polymer fibers non-coiled or coiled yarns and can be either neat or comprising a guest. Devices comprising these artificial muscles are also described. In some embodiments, thermally-powered polymer fiber torsional actuator has a twisted, chain-oriented polymer fiber that has a first degree of twist at a first temperature and a second degree of twist at a second temperature in which the bias angles of the first degree and second degree of twist are substantially different.
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International Classification(s)
- D01D:MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE....
- D04C:BRAIDING OR MANUFACTURE OF LACE, INCLUDING BOBBIN-....
- H02N:ELECTRIC MACHINES NOT OTHERWISE PROVIDED FOR
- F03G:SPRING, WEIGHT, INERTIA, OR LIKE MOTORS; MECHANICA....
- D02G:CRIMPING OR CURLING FIBRES, FILAMENTS, YARNS, OR T....
- D01F:CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL....
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