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    • 10. 发明授权
    • Method and apparatus for servicing a pressurized system
    • 用于维修加压系统的方法和装置
    • US06539970B1
    • 2003-04-01
    • US09422236
    • 1999-10-21
    • Steven M. KnowlesTerrence D. Kalley
    • Steven M. KnowlesTerrence D. Kalley
    • B08B500
    • B08B9/0321F16L37/23F16L37/36F25B41/003F25B45/00F25B2345/006Y10T137/0318Y10T137/0419Y10T137/4245Y10T137/87088Y10T137/87096Y10T137/87925Y10T137/87981Y10T137/88046
    • A method and apparatus for servicing a pressurized system is described. A purge fitting can be used to vent the pressurized system. Venting can release a gas, such as air, from the system. The pressurized system can be a climate control system (e.g., an air conditioning or refrigeration system), a brake system, a hydraulic system, or a service device for servicing a climate control system. The purge fitting allows air that may be trapped in the pressurized system to be vented by depressing a purge actuator, such as a purge button attached to the fitting. The air can be vented from an opening adjacent to the actuator or other orifice. By purging air directly from the system, the amount of air introduced into the system during servicing can be minimized. The invention also features a coupling member that can be compact in size. The coupling member can include a self-sealing valve assembly that prevents opening the coupling member until a proper coupling interconnection with a system to be serviced has taken place. The purge fitting can be incorporated in the coupling member or other service device.
    • 描述了用于维修加压系统的方法和装置。 吹扫配件可用于排放加压系统。 通风可以从系统中释放气体,如空气。 加压系统可以是用于维护气候控制系统的气候控制系统(例如,空调或制冷系统),制动系统,液压系统或服务装置。 吹扫配件允许通过按下清洗致动器(例如附接到配件的吹扫按钮)将被捕获在加压系统中的空气排出。 空气可以从与致动器或其他孔口相邻的开口排出。 通过从系统中直接吹扫空气,可以最小化在维修期间引入系统的空气量。 本发明还具有可以紧凑的尺寸的联接构件。 联接构件可以包括自密封阀组件,其防止打开联接构件,直到发生与被维修的系统的适当的联接互连。 清洗配件可以结合在联接构件或其他维修设备中。