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71. 发明公开

EP0438922A1 Refrigerant compressor for HFC 134a 失效
标题翻译： KältemittelverdichterfürR 134A。
公开(公告)号：EP0438922A1
公开(公告)日：1991-07-31
申请号：EP90314364.2
申请日：1990-12-28
申请人： KABUSHIKI KAISHA TOSHIBA
发明人： Kitaichi, Shoichiro, c/o Intellectual Property Div , Machida, Tadao, c/o Intellectual Property Division , Sato, Shinobu, c/o Intellectual Property Division
IPC分类号： F25B31/00 , F04B39/02
CPC分类号： F25B31/002 , F01C21/104 , F04B39/0215 , F04C2210/26 , F05C2201/0436 , F05C2203/0856 , F05C2203/0882
摘要： A refrigerant compressor for using HFC 134a as a refrigerant and a refrigerator oil such as polyether type oil, polyester type oil, or similar type compatible therewith is disclosed. The refrigerant compressor includes a component of iron type substrate having a compound layer mainly made of iron sulphide on sliding portions such as sliding parts and the shaft in the compression mechanism. In a rotary type compressor, the sliding blade can have such a compound layer at its sliding surface. The hardness of the compound layer mainly made of iron sulphide can be considerable, substantially reducing metal contact and preventing adhesive abrasion; the primary cause of abrasion of sliding portions. Since such a compound layer essentially consisting of iron sulphide is stable under moist conditions, even if used in conjunction with polyether type oil, polyester type oil, or similar types of oil and HFC 134a, corrosion and abrasion through dissolution of the compound layer can also be largely prevented.
摘要翻译：公开了一种使用HFC-134a作为制冷剂的制冷剂压缩机和与其相似的聚醚型油，聚酯型油或类似类型的冷冻机油。制冷剂压缩机包括具有主要由硫化铁构成的化合物层的铁型基材的组分，所述复合层在诸如滑动部分的滑动部分和压缩机构中的轴上。在旋转式压缩机中，滑动叶片在其滑动表面可以具有这样的复合层。主要由硫化铁组成的化合物层的硬度可以相当大，大大减少了金属接触并防止了粘合剂磨损; 滑动部分磨损的主要原因。由于这种基本上由硫化铁组成的复合层在湿润条件下是稳定的，即使与聚醚型油，聚酯型油或类似类型的油和HFC 134a结合使用，也可以通过化合物层的溶解进行腐蚀和磨损在很大程度上被阻止。

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