发明名称 Tropicalized petroleum sector cut-off valve gear box system and decontamination method for gear boxes
摘要 A tropicalized petroleum sector cut-off valve gear box system and its respective method of application are described. The system involves the conversion of any gear box model with cut-off valves used in the petroleum industry, into tropicalized gear boxes, so as to allow total preventative maintenance with no need for interruptions on production lines.
申请公布号 US7987946(B2) 申请公布日期 2011.08.02
申请号 US20070713084 申请日期 2007.03.02
申请人 PETROLEO BRASILEIRO S.A. -PETROBRAS 发明人 LEITE DA SILVA OSMAR JOSE
分类号 F16H57/04;F01N1/00;F16K31/44;F16N17/02 主分类号 F16H57/04
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