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    • 7. 发明授权
    • Thermostatic garden hose protection device
    • 恒温花园软管保护装置
    • US4948041A
    • 1990-08-14
    • US319829
    • 1989-03-03
    • John P. McCauley
    • John P. McCauley
    • A01G25/00B05B12/10G05D23/02
    • B05B12/10A01G25/00G05D23/022
    • A device to protect garden hoses and other fluid conduits from wear and bursting caused by pressure build-up due to heat generation particularly from the sun's rays. The device can be attached between the house spigot and hose or at the end of a hose between the hose and spray attachment. The device comprises a housing with a threaded inlet end for attachment to a hose or spigot, a central chamber containing a thermostat in a valve moveably mounted on a spring, which together are adapted to open water release holes at the outlet port end when water temperatures reach a predetermined level and close when the water temperature decreases to a second predetermined level. Sufficient openings in the device, allow full flow of fluid through the inlet port, the chamber and the outlet port and attachment, but still provides protection against pressure build-up when the hose is not in use.
    • 保护花园软管和其他流体管道的装置不会受到由于特别是太阳光线的发热而产生的压力积聚造成的磨损和破裂。 该装置可以连接在房屋插口和软管之间,或者在软管和喷雾附件之间的软管末端。 该装置包括具有用于附接到软管或插口的螺纹入口端的壳体,包含可移动地安装在弹簧上的阀中的恒温器的中心室,其一起适于在出口端口处打开水释放孔,当水温 当水温降低到第二预定水平时达到预定水平并关闭。 设备中足够的开口允许流体通过入口端口,腔室和出口端口以及附件完全流动,但是当软管不使用时仍然提供防止压力积聚的保护。