发明授权
US06615888B2 Variable-diameter wheel-and-tire apparatus for motor vehicles 失效
用于机动车辆的可变直径轮胎和轮胎设备

  • 专利标题: Variable-diameter wheel-and-tire apparatus for motor vehicles
  • 专利标题(中): 用于机动车辆的可变直径轮胎和轮胎设备
  • 申请号: US10189485
    申请日: 2002-07-08
  • 公开(公告)号: US06615888B2
    公开(公告)日: 2003-09-09
  • 发明人: Douglas B. Elkow
  • 申请人: Douglas B. Elkow
  • 主分类号: B60C1900
  • IPC分类号: B60C1900
Variable-diameter wheel-and-tire apparatus for motor vehicles
摘要:
A wheel-and-tire apparatus has a pneumatic tire with two or more circumferential tread sections, the relative diameters of which may be adjusted to select the tread sections in contact with the road. The tire may have one or more air chambers. The apparatus facilitates selective use of tire tread designs and compositions having different performance characteristics to suit particular road conditions and vehicle operating parameters. Adjustment of tread section diameters is accomplished using tread diameter adjustment means having a source of compressed air. Sensors monitor selected operational parameters of the vehicle and transmit corresponding signals to a computer, which selects an optimal configuration of tread section diameters to suit the data from the sensors. The computer sends a corresponding signal instructing the tread diameter adjustment means to adjust the diameter of one or more tread sections as required to achieve the selected configuration of tread section diameters.
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