Luftwartungsreifen und Ventilanordnung und Verfahren

Details

Veröffentlichungs-Nr.

EP2868498

Aktenzeichen

EP14190793

Anmeldetag

29. Oktober 2014

Veröffentlichung

9. September 2020

Erteilung

9. September 2020

Rechtsraum

EP

IPC

B60C23/12

Abstract

An air maintenance tire assembly and a method of maintaining air within a tire is disclosed. The assembly comprises a tire having a tire cavity bounded by first and second sidewalls extending to a tire tread region, and having an elongate valve stem projecting outward from the tire cavity and operative to admit pressurized air into the cavity through a valve stem internal air passageway; the first sidewall having an elongate sidewall air passageway operatively located to compress segment by segment from an expanded diameter to a substantially reduced diameter responsive to a bending strain introduced into the first sidewall from a rolling tire footprint whereby forcing air segment by segment along the sidewall air passageway; and a connecting air passageway connected at opposite ends with the sidewall air passageway and with the valve stem internal air passageway, the connecting air passageway operative to direct air forced along the sidewall air passageway into the valve stem internal passageway as the tire rolls over a ground surface.

Anmelder

Firma

The Goodyear Tire & Rubber Company

Land

🇺🇸 USA

Fachgebiete