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. 18, 2018
Filed:
Jul. 06, 2015
The Goodyear Tire & Rubber Company, Akron, OH (US);
Jason Mark Middelberg, Napier, NZ;
The Goodyear Tire & Rubber Company, Akron, OH (US);
Abstract
A self-inflating tire assembly includes an adjustable valve having: a housing having first end and a second end, and a central bore which extends from the first end to the second end; a piston slidably mounted within the central bore at the first end of the housing, a cap mounted in the second end of the housing forming a chamber with the housing, wherein a spring is mounted within the chamber and having a first end for engagement with the piston and a second end for engagement with a bottom wall of the chamber, said cap further comprising a fluid chamber projecting from the bottom wall of the chamber, wherein the piston is movable to seal the fluid chamber, wherein the housing is made from a material having a higher coefficient of thermal expansion than the material of the fluid chamber.