公开(公告)号：US20100180617A1

公开(公告)日：2010-07-22

申请号：US12355558

申请日：2009-01-16

申请人： J. Scott Martin

发明人： J. Scott Martin

IPC分类号： F25D23/00 ,  F25B1/00 ,  F16L29/00

CPC分类号： F25B45/00 ,  F16L55/1108

摘要： A positive shutoff device is provided for a connection point of a refrigeration system. The connection point includes a manually-actuatable valve that permits charging and testing of the system. The device includes a first fitting engagable with the connection point and having a raised actuator that actuates the manually-actuatable valve when the first fitting engages the connection point, and a shutoff valve having a first end coupled to the first fitting and a second end coupled to a second fitting, the shutoff valve is operable in a closed position to prevent flow therethrough and an open position to permit flow therethrough, so that the refrigeration system may be charged or tested by connecting equipment to the second fitting and opening the shutoff valve, and the connection point may be positively shut off to prevent leakage of refrigerant through the connection point by closing the shutoff valve.

摘要翻译： 为制冷系统的连接点设置正向切断装置。 连接点包括一个可手动启动的阀门，可以对系统进行充电和测试。 所述装置包括与所述连接点可接合的第一配件，并具有升高的致动器，当所述第一配件接合所述连接点时致动所述手动致动阀;以及截止阀，其具有联接到所述第一配件的第一端， 在第二配件中，截止阀可在关闭位置操作以防止流过其中并且允许流过其中的打开位置，使得可以通过将设备连接到第二配件并打开截止阀来对制冷系统进行充电或测试， 并且连接点可以被正确地切断，以防止制冷剂通过关闭截止阀而通过连接点泄漏。