Maryland's Defense Patent Database

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Bimetallic strips for energy harvesting, actuation and sensing

Patent image
NSWCCD

Disclosed are bimetallic strips that incorporate magnetostrictive materials to enhance and provide sensing, actuating and energy harvesting functions. The bimetallic strips include a positive magnetostrictive Fe-based alloy layer and a flexible layer. The flexible layer may be a negative magnetostrictive layer or a permanent magnet layer. One or more permanent magnet materials may also be used in the arrangement. The bimetallic strips are inexpensive and easily manufactured, and have characteristics that enhance sensing and actuator applications, and enables energy harvesting.

Inventors: 
Clark, Arthur E.; Wun-fogle, Marilyn; Restorff, James B.
Patent Number: 
Technical domain: 
Materials and Coatings
FIle Date: 
2007-12-19
Grant Date: 
2010-11-16
Grant time: 
1,063 days
Grant time percentile rank: 
19
Claim count percentile rank: 
2
Citations percentile rank: 
1
'Cited by' percentile rank: 
1
Assignee: 
US NAVY