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    • 1. 发明授权
    • Refrigeration system
    • 制冷系统
    • US3988904A
    • 1976-11-02
    • US529856
    • 1974-12-05
    • Robert R. Ross
    • Robert R. Ross
    • F25B41/00F25B45/00
    • F25B41/00F25B2400/075F25B2400/0751F25B2400/161Y10S62/17
    • A refrigeration system incorporating a compressor sub-system which provides a source of higher pressure gaseous refrigerant to force liquid refrigerant into the receiver when condensor pressure is reduced sufficiently below normal to prevent it accomplishing the same purpose. When condensor pressure is insufficient to force liquid refrigerant from a pilot receiver tank to the receiver tank liquid accumulates in the pilot receiver tank to a level where it actuates a control valve, introducing said higher pressure gaseous refrigerant to said pilot tank and forcing liquid out. While condensor pressure is sufficient to the task, as is normally the case, the higher pressure gaseous refrigerant is received directly by the condensor.
    • 一种包括压缩机子系统的制冷系统,其提供高压气态制冷剂源,以在冷凝器压力足够低于正常水平时迫使液体制冷剂进入接收器,以防止其实现相同的目的。 当冷凝器压力不足以迫使来自先导接收罐的液体制冷剂到接收器箱时,液体将先导接收罐中积聚到其致动控制阀的水平,将所述高压气态制冷剂引入所述​​先导箱并迫使液体流出。 当冷凝器压力足以满足任务时,通常情况下,高压气态制冷剂由冷凝器直接接收。
    • 5. 发明授权
    • Double volute pump with replaceable lips
    • 双蜗壳泵可更换嘴唇
    • US4076450A
    • 1978-02-28
    • US648874
    • 1976-01-14
    • Robert R. Ross
    • Robert R. Ross
    • F04D1/00F04D29/42F04B7/00
    • F04D29/428F04D1/006Y10S417/90
    • Volute pumps are frequently used for abrasive liquids such as in the transportation of aqueous slurrys of finely divided coal and similar materials. Since pumps for such purposes are very large, they are ordinarily made as double volute pumps to minimize radial thrust. When pumps are used for abrasive materials, the wear on the pump occurs primarily at the volute lips. In accordance with the present invention, a volute pump is provided with replaceable lips so that the lips can be replaced as they become worn. Further, the lips can be made of a much more resistant material than the body of the pump.
    • 涡流泵经常用于研磨液体,例如在精细分散的煤和类似材料的含水浆料的输送中。 由于用于这种目的的泵非常大,所以它们通常被制成双蜗壳泵以最小化径向推力。 当泵用于研磨材料时,泵上的磨损主要发生在蜗壳上。 根据本发明,蜗壳泵设置有可更换的唇部,使得唇部可以在磨损时更换。 此外,唇缘可以由比泵主体更耐受的材料制成。
    • 6. 发明授权
    • Cable shield connecting device
    • 电缆屏蔽连接装置
    • US4310209A
    • 1982-01-12
    • US124501
    • 1980-02-25
    • Mills L. FlemingGeorge L. FuchsRobert H. Gladden, Jr.Robert R. Ross
    • Mills L. FlemingGeorge L. FuchsRobert H. Gladden, Jr.Robert R. Ross
    • H01R4/64H01R4/66
    • H01R4/646
    • A connecting device for providing electrical continuity of a metallic shield of a jacketed distribution cable across a splice location and for electrically and mechanically connecting at least one service wire that is electrically connected to the cable at the splice location and to a customer's premise includes a first clamp which comprises an inner plate that is inserted under the shield until a stud upstanding therefrom abuts the cable jacket and shield. An outer plate of the first clamp and an arcuately formed bonding plate of a second clamp, said bonding plate having a relatively short length in a direction along the length of the cable, are positioned over the cable jacket until the stud extends through an opening in each after which a nut is turned onto the stud to secure the first clamp to the cable and the bonding plate to the first clamp. A stepped clamp plate having a midsection connected to two end sections through offsets and an opening in its midsection is positioned over the stud and cooperates with the bonding plate to form a tortuous path of controlled dimensions through the device for service wires to insure sufficient electrical contact of the second clamp with exposed metallic shields of the service wires while preventing inadvertent movement and undue compression of the service wires.
    • 一种连接装置,用于提供穿过拼接位置的夹套配电电缆的金属屏蔽层的电连续性,并且用于电和机械连接在接合位置处电连接到电缆的至少一个服务线以及客户​​的前提包括第一 夹具包括插入在屏蔽件下方的内板,直到其直立的支柱与电缆护套和屏蔽件邻接。 第一夹具的外板和第二夹具的弓形形成的接合板,所述接合板在沿缆索长度的方向上具有相对较短的长度,定位在电缆护套的上方,直到螺柱延伸通过开口 之后将螺母转到螺柱上,以将第一夹具固定到电缆上,并将接合板固定到第一夹具上。 台阶式夹板具有通过偏移连接到两个端部的中间部分,并且其中部部分中的开口位于螺柱上方并与接合板协作以形成通过该装置的受控尺寸的曲折路径,用于维修线以确保足够的电接触 的第二夹具具有服务线的暴露的金属屏蔽,同时防止服务线的意外移动和不适当的压缩。
    • 7. 发明授权
    • Refrigeration system
    • 制冷系统
    • US4059968A
    • 1977-11-29
    • US673601
    • 1976-04-05
    • Robert R. Ross
    • Robert R. Ross
    • F25B1/047F25B41/00
    • F25B41/00F25B1/047F25B2400/13F25B2400/23F25B2700/04
    • A recirculating refrigeration system wherein a screw compressor receives vaporized refrigerant from the evaporators at its low pressure inlet and from a flash tank or receiver at an intermediate pressure inlet. Refrigerant which is not vaporized in the evaporators is trapped in a suction line accumulator from which it flows by gravity into a dump tank. The dump tank has a gas pressure connection to the compressor outlet or to the receiver or flash tank and a control valve is effective to introduce gas under pressure to the dump tank and force the liquid accumulated therein back into a receiver when it has risen to a predetermined level in the dump tank.
    • 一种循环制冷系统,其中螺杆式压缩机在其低压入口处从蒸发器接收蒸发的制冷剂,并从中间压力入口处的闪蒸罐或接收器接收蒸发的制冷剂。 在蒸发器中不蒸发的制冷剂被捕获在吸入管线蓄能器中,由此,其通过重力从其中流入倾卸罐。 倾卸罐具有与压缩机出口或接收器或闪蒸罐的气体压力连接,并且控制阀有效地将压力下的气体引入倾卸罐,并且当积存在其中的液体回到接收器中时,其已经上升到 倾倒罐中的预定水平。