The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Sep. 09, 2014
Filed:
May. 28, 2010
Applicants:
Teresa L. Forehand, Raleigh, NC (US);
Daniel E. Barber, Fuquay-Varina, NC (US);
Inventors:
Teresa L. Forehand, Raleigh, NC (US);
Daniel E. Barber, Fuquay-Varina, NC (US);
Assignee:
LORD Corporation, Cary, NC (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01F 1/44 (2006.01);
U.S. Cl.
CPC ...
H01F 1/442 (2013.01); H01F 1/445 (2013.01);
Abstract
A magnetorheological fluid comprising a mixture of soft and hard iron particles, an organic based carrier fluid, and optional additives such as anti-friction, anti-wear, or surfactants unexpectedly have improved durability when used in devices for control vibration and/or noise, for example, shock absorbers, elastomeric mounts, dampers, and the like.