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:
Jul. 04, 2006
Filed:
Apr. 30, 2004
Vardarajan R. Iyengar, Macomb, MI (US);
Patrick N. Hopkins, Farmington Hills, MI (US);
Mark E. Myers, Bloomfield Hills, MI (US);
Vardarajan R. Iyengar, Macomb, MI (US);
Patrick N. Hopkins, Farmington Hills, MI (US);
Mark E. Myers, Bloomfield Hills, MI (US);
Delphi Technologies, Inc., Troy, MI (US);
Abstract
A MR fluid formulation based upon a silicone liquid vehicle thickened with a treated fumed metal oxide and doped with one or more chemicals having hydrogen-bonding capability for use with natural rubber mounts. The MR fluid is resistant to settling of the magnetizable particles upon contact of the fluid with natural rubber. In one exemplary embodiment, the doping chemical is one or a combination of propylene glycol and a bifunctional ethoxylated amine.