METHOD FOR ASCERTAINING THE DEFORMATION OF A TIRE SUBJECTED TO A LOAD WHILE ROLLING

    公开(公告)号:US20240336092A1

    公开(公告)日:2024-10-10

    申请号:US18681555

    申请日:2022-08-01

    CPC classification number: B60C11/246 B60C19/00 B60C23/064 B60C2019/004

    Abstract: A method for ascertaining the deformation of a tire comprises: fastening a sensor to the tire so as to generate an accelerometric signal in the direction normal to the crown; acquiring (201) a temporal wheel-turn signal SigTDR (101) comprising the amplitude of the acceleration while rolling; determining a reference speed Wreference (202) associated with a portion of the wheel-turn signal SigTDR; normalizing (203) the portion of the wheel-turn signal SigTDR by a variable which is a function F proportional to the square of Wreference; angularly resampling (204) the portion of the wheel-turn signal SigTDR; defining an energy density S (205) from the angularly resampled normalized wheel-turn signal SigTdR using a threshold A; and identifying the deformation of the tire Def % (206) as a function G of the energy density S.

    TIRE
    5.
    发明公开
    TIRE 审中-公开

    公开(公告)号:US20240227447A9

    公开(公告)日:2024-07-11

    申请号:US18277720

    申请日:2022-02-17

    CPC classification number: B60C5/14 B60C1/0008 B60C19/00 B60C2200/04

    Abstract: A pneumatic tire (1) includes: a tread portion (2) including a land portion (24) divided by a plurality of main grooves (22) formed on a tread surface (21); an inner liner (7) constituting a tire inner surface (7A) on an inner side of the tread portion (2); and a mount member (10) which is provided on the tire inner surface (7A), and to which electric equipment can be attached. In the pneumatic tire (1), acetone extraction amount (AE2) of a rubber composition constituting the inner liner (7) is larger than acetone extraction amount AE1 of a rubber composition constituting the mount member (10).

    Heavy duty tire
    6.
    发明授权

    公开(公告)号:US12017485B2

    公开(公告)日:2024-06-25

    申请号:US18209553

    申请日:2023-06-14

    Inventor: Masayuki Yoshino

    Abstract: A tire 2 includes a pair of heads 10, a carcass 12, a pair of sidewalls 6, a pair of chafers 8, and a tag member 26 including an RFID tag 56. Each of the beads 10 includes an inner apex 40 and an outer apex 42. A carcass ply 48 included in the carcass 12 includes a ply body 50 and a pair of turned-up portions 52. The tag member 26 is in contact with the outer apex 42 on a radially outer side of an end PF of the turned-up portion 52, the RFID tag 56 is located between an outer end PG2 of the outer apex 42 and an outer end PB of the chafer 8, and an outer end 26s of the tag member 26 is located radially outward of the outer end PB of the chafer 8.

    TIRE
    8.
    发明公开
    TIRE 审中-公开

    公开(公告)号:US20240131867A1

    公开(公告)日:2024-04-25

    申请号:US18277720

    申请日:2022-02-17

    CPC classification number: B60C5/14 B60C1/0008 B60C19/00 B60C2200/04

    Abstract: A pneumatic tire (1) includes: a tread portion (2) including a land portion (24) divided by a plurality of main grooves (22) formed on a tread surface (21); an inner liner (7) constituting a tire inner surface (7A) on an inner side of the tread portion (2); and a mount member (10) which is provided on the tire inner surface (7A), and to which electric equipment can be attached. In the pneumatic tire (1), acetone extraction amount (AE2) of a rubber composition constituting the inner liner (7) is larger than acetone extraction amount AE1 of a rubber composition constituting the mount member (10).

    Liquid height level system
    9.
    发明公开

    公开(公告)号:US20240025215A1

    公开(公告)日:2024-01-25

    申请号:US18227932

    申请日:2023-07-30

    Applicant: Dan Haronian

    Inventor: Dan Haronian

    CPC classification number: B60C19/00 G01M3/40 B60C2019/004 B60C2019/007

    Abstract: A system for detecting a presence of liquid inside a wheel that includes a power source, an electric circuit and an indication means, and a tire pressure valve that includes a stem, a first electrode and a second electrode, an isolation part between the electrodes, and a pressure valve mechanism. The tire pressure valve is fixed to the rim of the wheel in such a way that upper parts of the electrodes are positioned outside the rim and lower parts of the electrodes are positioned inside the wheel and immersed inside liquid inside the tire when the tire pressure valve faces the ground. The upper parts of the electrodes are connected to the power source, and to the electric circuit that outputs a signal when liquid presence between the electrodes and the indication means indicates when the electric circuit outputs such signal.

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