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1.发明授权公开(公告)号：US09878347B2
公开(公告)日：2018-01-30
申请号：US14226098
申请日：2014-03-26
Applicant: Riem Service s.r.l.
Inventor： Fabio Russo
CPC classification number: B05D1/02 , B05D3/0272 , B05D3/12 , B05D2506/15 , F04C2/16 , F04C2230/80 , F04C2230/85 , F04C2230/91
Abstract: A refurbishment process for a volumetric screw compressor of the ‘oil-free’ type, which comprises a male rotor and a female rotor, is described. The process comprises visually checking the wear condition of the rotors, treating their surface for removing the previous coating, and applying a new coating on the surface. The composition of the coating applied on the surface of the rotors consists of the following materials: MaterialAmount (g) Polytetrafluoroethylene750 ÷ 850 (954G 303 C Teflon, DuPont) Amorphous graphite powder300 ÷ 400 Thinner for spray cleaning apparatuses200 ÷ 270 (8595 thinner, DuPont) Methyl ethyl ketone (MEK)170 ÷ 220 Cellosolve acetate coating additive200 ÷ 300 (Syn Fac 800 resin).
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2.发明申请REFURBISHMENT PROCESS OF THE PUMPING UNIT IN A VOLUMETRIC SCREW COMPRESSOR OF THE "OIL FREE' TYPE 有权“无油”类型的体积螺旋压缩机中的泵送单元的再冲洗过程公开(公告)号：US20140295059A1
公开(公告)日：2014-10-02
申请号：US14226098
申请日：2014-03-26
Applicant: Riem Service s.r.l.
Inventor： Fabio RUSSO
CPC classification number: B05D1/02 , B05D3/0272 , B05D3/12 , B05D2506/15 , F04C2/16 , F04C2230/80 , F04C2230/85 , F04C2230/91
Abstract: A refurbishment process for a volumetric screw compressor of the ‘oil-free’ type, which comprises a male rotor and a female rotor, is described. The process comprises visually checking the wear condition of the rotors, treating their surface for removing the previous coating, and applying a new coating on the surface. The composition of the coating applied on the surface of the rotors consists of the following materials: MaterialAmount (g) Polytetrafluoroethylene750 ÷ 850 (954G 303 C Teflon, DuPont) Amorphous graphite powder300 ÷ 400 Thinner for spray cleaning apparatuses200 ÷ 270 (8595 thinner, DuPont) Methyl ethyl ketone (MEK)170 ÷ 220 Cellosolve acetate coating additive200 ÷ 300 (Syn Fac 800 resin)
Abstract translation: 描述了包括阳转子和阴转子的“无油”型容积螺杆式压缩机的翻新过程。 该过程包括目视检查转子的磨损状况，处理其表面以除去先前的涂层，以及在表面上施加新的涂层。 施加在转子表面上的涂层组成由以下材料组成：材料量（g）聚四氟乙烯750÷850（954G 303C Teflon，DuPont）无定形石墨粉300÷400喷雾清洁装置用稀释剂200÷270 8595稀释剂，DuPont）甲基乙基酮（MEK）170÷220乙酸溶纤剂涂料添加剂200÷300（Syn Fac 800树脂）
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