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:
Oct. 16, 2012
Filed:
Jan. 29, 2008
Thomas Wolfgang Nehl, Shelby Township, MI (US);
Alexander A. Alexandridis, Orchard Lake Village, MI (US);
Robert T. Foister, Rochester Hills, MI (US);
William C. Kruckemeyer, Beavercreek, OH (US);
Fang Deng, Novi, MI (US);
Thomas Wolfgang Nehl, Shelby Township, MI (US);
Alexander A. Alexandridis, Orchard Lake Village, MI (US);
Robert T. Foister, Rochester Hills, MI (US);
William C. Kruckemeyer, Beavercreek, OH (US);
Fang Deng, Novi, MI (US);
BWI Company Limited S.A., Luxembourg, LU;
Abstract
A magnetorheological (MR) fluid-based device including an MR piston assembly. The MR piston assembly includes a ferromagnetic MR piston core and an electric coil. The MR piston core has a central longitudinal axis and has an outer circumferential surface substantially coaxially aligned with the central longitudinal axis. The electric coil is positioned in the MR piston core and is substantially coaxially aligned with the central longitudinal axis. A portion, or at least a portion, of the electric coil is buried in the MR piston core under the outer circumferential surface.