An air compressor mountable to a sidewall (3) of an annular tire cavity (5) is disclosed. The compressor (10, 100) comprises an air inlet (11) for receiving air to be pumped into the tire cavity (5); an air outlet (13) for releasing air into the tire cavity (5); a double membrane assembly (14, 214, 314) having a first membrane (16) and a second membrane (17) arranged in parallel to the first membrane (16); a pressure compensation chamber (18) provided between the first membrane (16) and the second membrane (17), the pressure compensation chamber (18) being in fluid communication with the tire cavity (5) when the air compressor is mounted to the sidewall (3) of the tire cavity (5); and an air compression chamber (19) arranged on a side of the second membrane (17) opposite to the pressure compensation chamber (18), the air compression chamber (19) being in fluid communication with the air inlet (11) and the air outlet (13). Also, a pneumatic tire (1) comprising such a compressor (10, 100) is disclosed.
An air compressor for a pneumatic tire and a tire comprising a compressor mounted within the tire's cavity
Luftkompressor für Luftreifen und Reifen mit einem im Reifeninnenraum montierten Kompressor
Compresseur d'air pour un pneu et pneu comprenant un compresseur monté dans la cavité du pneumatique
2015-07-01
Patent
Elektronische Ressource
Englisch
IPC: | B60C VEHICLE TYRES , Fahrzeugreifen |
Europäisches Patentamt | 2016
|Europäisches Patentamt | 2015
|Europäisches Patentamt | 2016
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