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US06604371B2 Oil amount detector, refrigeration apparatus and air conditioner 失效
油量检测器，制冷装置和空调

  • Patent Title: Oil amount detector, refrigeration apparatus and air conditioner
  • Patent Title (中): 油量检测器，制冷装置和空调
  • Application No.: US09937101
    Application Date: 2001-09-20
  • Publication No.: US06604371B2
    Publication Date: 2003-08-12
  • Inventor: Kiyotaka Ueno
  • Applicant: Kiyotaka Ueno
  • Priority: JP2000-013194 20000121; JP2000-013195 20000121; JP2000-013196 20000121
  • Main IPC: F25B4302
  • IPC: F25B4302
Oil amount detector, refrigeration apparatus and air conditioner
Abstract:
An oil holding tank (40) is communicated to the case (10c) of the compressor (10). Part of the refrigerant discharged from the compressor (10) is introduced into the oil holding tank (40) so that the lubrication oil (L) is allowed to flow out from the oil holding tank (40) and the lubrication oil (L) which flows out is allowed to return to the case (10c). The presence of the lubrication oil (L) is detected from a comparison between the temperature (TK1) of the refrigerant introduced from the compressor (10) to the oil holding tank (40) and the temperature (TK2) of the lubrication oil (4) flowing out from the oil holding tank (40). On the basis of the result of the detection, it is judged whether or not the amount of the lubrication oil (L) in the case (10c) is appropriate.
Abstract(Chinese):

储油箱（40）与压缩机（10）的壳体（10c）连通。 从压缩机10排出的制冷剂的一部分被导入储油箱40，使润滑油（L）从储油箱（40）和润滑油（L）流出，润滑油 流出的情况被允许返回到壳体（10c）。 从从压缩机（10）引导到储油箱（40）的制冷剂的温度（TK1）与润滑油（4）的温度（TK2）之间的比较来检测润滑油（L）的存在 ）从储油箱（40）流出。 基于检测结果，判断在（10c）情况下的润滑油（L）的量是否合适。

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