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    • 8. 发明授权
    • Modified compressor unit
    • 改装压缩机组
    • US4698983A
    • 1987-10-13
    • US872855
    • 1986-06-11
    • Ruben Hechavarria
    • Ruben Hechavarria
    • F04B39/02F04B51/00F16N31/00F25B45/00F16N33/00
    • F04B51/00F04B39/02F16N31/00F25B45/00F04B2201/0404F25B2345/002F25B2345/005
    • A system for the emptying, replenishing and testing of oil maintained within an oil reservoir of a crank case of a compressor unit having an external casing for purposes of housing the compressor motor wherein the interior of the casing is maintained under a positive pressure due to refrigerant entering the casing as it returns from the evaporator. An access valve is disposed on a free end of a conduit having the opposite end thereof disposed in direct access to oil within the oil reservoir. A valve opening structure, when applied to the access valve will position it in an open or flow allowing position, allowing the oil within the casing to pass through the conduit and out through the access valve due to the positive pressure within the casing. The oil may be replaced by securing a liquid pump in fluid communication to the conduit so as to force the access valve open. Upon the pressurized input, from the pump, oil flows back into the oil reservoir against the internal pressure within the casing.
    • 一种用于在具有用于容纳压缩机马达的外部壳体的压缩机单元的曲轴箱的油箱内保持的油的排空,补充和测试的系统,其中壳体的内部由于制冷剂而保持在正压力 当它从蒸发器返回时进入外壳。 进气阀设置在导管的自由端上,导管的相对端设置成直接接触油储存器内的油。 阀门开启结构当被施加到进入阀门时将其定位在开放或允许流动的位置,允许壳体内的油通过套管内的正压使其通过导管并通过进入阀门。 可以通过将液体泵固定在与管道流体连通以便迫使进入阀打开的情况下来代替油。 在加压输入时,从泵中,油抵抗壳体内部的内部压力回流到油箱中。