Maryland's Defense Patent Database

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Variable stiffness tow cable

Patent image
NSWCCD

A variable stiffness tow cable comprising a plurality of strands. Most of the strands comprise a polymer with interstitial spaces filled with a ferrofluid comprising nanoparticles. And, least one of the strands is a nanoparticle control field source. The stiffness is varied for a number of control objectives such to dampen motion. In another application, strum is controlled by electrical input rather than by changing the length of tow cable let out.

Inventors: 
Teter, Joseph P.
Patent Number: 
Technical domain: 
Handling and Transportation
FIle Date: 
2010-07-06
Grant Date: 
2014-09-16
Grant time: 
1,533 days
Grant time percentile rank: 
28
Claim count percentile rank: 
4
Citations percentile rank: 
1
'Cited by' percentile rank: 
1
Assignee: 
US NAVY