| 摘要 |
983,142. Fluid bearings. HOVERCRAFT DEVELOPMENT Ltd. June 6, 1961 [June 16, 1960], No. 21263/60. Heading F2A. [Also in Division B7] Load-carrying apparatus for movably supporting a load comprises a bearing member 1 located in a concave housing 3 in a structure 2. Air is supplied to an annular port 4 in the housing 3 which forms a curtain 6 between the member 1 and the housing and maintains a cushion of air in the space 7. To improve the stability of the arrangement a further supply port 8 may be incorporated which divides the air cushion in the space 7. The bearing member may be spherical or cylindrical and in an alternative embodiment the housing may have an increased depth and a further annular supply port 10. Air thus supplied through ports 4 and 10 forms curtains 6 and 12 respectively on each side of the equatorial position of the member 1 which in conjunction with port 15 increases the number of air cushions. In the case of cylindrical bearing members, e.g. rollers, means are provided to maintain axial stability. In a further embodiment, means for spring mounting a member containing the bearing member is provided within a further member. The application of the load-carrying apparatus to air-cushioned road vehicles and track laying vehicles is described. Specifications 935,823, 935,824, 935,825 and 935,826 are referred to. |
