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. 08, 2015
Filed:
Feb. 27, 2013
Dana Heavy Vehicle Systems Group, Llc, Maumee, OH (US);
Brian V. Knapke, Toledo, OH (US);
Lloyd G. Racine, Madison Heights, MI (US);
Dana Heavy Vehicle Systems Group, LLC, Maumee, OH (US);
Abstract
A tire inflation system for a vehicle includes an axle spindle having a radially outer surface and a radially inner surface, a sleeve having a radially inner surface, a radially outer surface, an inboard end portion and an outboard end portion with a flared end. A cavity is located between the radially inner surface of the axle spindle and the radially outer surface of the sleeve. The cavity being in fluid communication on an inboard end portion with a first rotary seal and in communication on an outboard end portion with a second rotary seal, wherein the flared end of the sleeve closes the cavity on the outboard end portion.