Invention Grant
- Patent Title: Wheel having temperature compensated and controlled pressure
- Patent Title (中): 车轮具有温度补偿和受控压力
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Application No.: US10589558Application Date: 2005-02-18
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Publication No.: US08360121B2Publication Date: 2013-01-29
- Inventor: Renato Caretta , Pier Giuseppe Piantanida , Giorgia Sgalari , Massimo Filippi
- Applicant: Renato Caretta , Pier Giuseppe Piantanida , Giorgia Sgalari , Massimo Filippi
- Applicant Address: IT Milan
- Assignee: Pirelli Tyre S.p.A.
- Current Assignee: Pirelli Tyre S.p.A.
- Current Assignee Address: IT Milan
- Agency: Finnegan, Henderson, Farabow, Garrett & Dunner, L.L.P.
- Priority: WOPCT/IB2004/000502 20040227
- International Application: PCT/EP2005/001667 WO 20050218
- International Announcement: WO2005/084967 WO 20050915
- Main IPC: B60C23/10
- IPC: B60C23/10

Abstract:
A wheel having a controlled and compensated pressure includes a rim associated with a tank adapted to be filled with a fluid to a first pressure; a tyre mounted on the rim and having an inner volume inflated to an operating pressure, the operating pressure being lower than the first pressure; at least one valve adapted to regulate a communication between the tank and the inner volume of the tyre, the valve having at least one elastic element operatively associated with a closure member designed to open and close a port of the valve to bring the tank into communication with the tyre when the pressure of the tyre is lower than the operating pressure, the elastic element having an elastic constant showing a variation of 10% to 40% within a temperature range of about −50° C. to about 50° C.
Public/Granted literature
- US20080035203A1 Wheel Having Temperature Compensated And Controlled Pressure Public/Granted day:2008-02-14
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