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 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|