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    Air-to-air refuelling hose reels
    7.
    发明授权
    Air-to-air refuelling hose reels 失效
    空对空软管软管

    公开(公告)号：US3674049A

    公开(公告)日：1972-07-04

    申请号：US3674049D

    申请日：1970-09-18

    申请人： FLIGHT REFUELING LTD

    发明人： MACGREGOR PETER STEVENS

    IPC分类号： B64D39/02 ,  B65H75/34 ,  B65H75/30

    CPC分类号： B64D39/02 ,  Y10T137/6932

    摘要： An air-to-air refuelling system and hose reel mechanism therefor in which a constant tension spring motor is coupled to the hose reel to achieve substantially constant tension in the hose during reeling in or reeling out of the hose. Arresting means comprising a ratchet and pawl mechanism is associated with the hose reel and is actuatable in response to operation of the spring motor to provide a full trail stop facility for the hose. A feature of the invention is that a fixed displacement fuel pump (a fueldraulic motor) is coupled to a main fuel pump of the refuelling system via a hose reel control valve and is coupled to the hose reel via gearing and a sprag clutch such that the displacement pump rotates only when the hose reel is reeling out in order to effect speed limitation during reeling out. The fixed displacement pump when acting as a pump only rotates when the hose reel is reeling out but operates as a motor during rewinding of the hose reel utilizing the main fuel supply to provide rewind power.

    摘要翻译： 一种空对空加油系统和软管卷取机构，其中恒定拉力弹簧马达联接到软管卷轴，以在卷取或卷出软管期间在软管中实现基本上恒定的张力。 包括棘轮和棘爪机构的止动装置与软管卷轴相关联，并且可响应于弹簧马达的操作而致动，以提供用于软管的全部止动装置。 本发明的一个特征是固定排量的燃油泵（一个液压马达）通过一个软管卷盘控制阀与加油系统的一个主燃油泵连接，并通过齿轮传动装置和一个楔形离合器联接到软管卷盘上， 位移泵只有当软管卷轴卷起才能旋转，以便在卷取期间实现速度限制。 当作为泵的固定排量泵仅在软管卷轴卷起时旋转，但是在利用主燃料供应的软管卷筒的倒带期间作为电动机起作用以提供倒带电力。