Patent ID: 9272586
Filing Date: 2016-03-01
CPC Classification: B29D,B60C,F16K,Y10T

Claim Text:
1. An air maintenance tire assembly comprising: a tire having a tire cavity bounded by first and second sidewalls extending to a tire tread region; air pumping means for generating pressurized air for maintaining air pressure within the tire cavity at a preset pressure level; the tire having an elongate valve stem projecting outward from the tire cavity and having an internal valve stem air passageway in communication with the tire cavity and operative to direct pressurized air into the cavity; a pressure regulator positioned opposite an inward end of the valve stem and operative to selectively open and close pressurized air flow from the valve stem internal passageway into the tire cavity; a regulator housing positioned opposite the inward end of the valve stem; an internal regulator housing chamber positioned in air flow communication with the valve stem internal passageway and operative to receive pressurized air from the valve stem internal passageway; at least one outlet portal extending through the regulator housing positioned in air flow communication with the regulator housing chamber; valve means for selectively opening and closing a passage of pressurized air from the valve stem passageway through the regulator housing and into the tire cavity.