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:
Dec. 10, 2013
Filed:
Nov. 15, 2010
Kenneth Alan St. Clair, Cary, NC (US);
William J. Mcmahon, Chapel Hill, NC (US);
Robert Marjoram, Holly Springs, NC (US);
Mark R. Jolly, Raleigh, NC (US);
J. David Carlson, Cary, NC (US);
K. Andrew Kintz, Apex, NC (US);
Kenneth Alan St. Clair, Cary, NC (US);
William J. McMahon, Chapel Hill, NC (US);
Robert Marjoram, Holly Springs, NC (US);
Mark R. Jolly, Raleigh, NC (US);
J. David Carlson, Cary, NC (US);
K. Andrew Kintz, Apex, NC (US);
Lord Corporation, Cary, NC (US);
Abstract
The controllable suspension system includes a strut with a magnetorheological fluid damper. The magnetorheological fluid damper includes a longitudinal damper tubular housing having a longitudinally extending axis and an inner wall for containing magnetorheological fluid. The damper includes a piston head movable within the damper tubular housing along a longitudinal length the housing, with the damper piston head providing a first upper variable volume magnetorheological fluid chamber and a second lower variable volume magnetorheological fluid chamber, with a fluid flow gap between the upper and lower fluid chambers, the damper piston having a longitudinal piston rod for supporting the piston head within the housing, with the piston supported within the housing with a piston rod bearing assembly disposed between the housing and the rod, with the piston rod bearing assembly having a piston rod bearing seal interface.