发明名称 |
HYDRAULIC ACTUATOR WITH SPRING RETURN |
摘要 |
The present invention relates to a subsea hydraulic actuator with spring return, wherein the spring is directly exposed to sea water, is made of an inert material that is corrosion-resistant and has a special structure. The spring is mounted in a movable frame (3) that is coupled by special attachment means to the actuator rod (5) and is in sliding contact with a stabilising extension (4) of the actuator rod (5) through two or more guide slots (20). |
申请公布号 |
WO2015143524(A3) |
申请公布日期 |
2016.01.21 |
申请号 |
WO2015BR50033 |
申请日期 |
2015.03.25 |
申请人 |
FMC TECHNOLOGIES DO BRASIL LTDA |
发明人 |
ZARAGOZA LABES, ALAN |
分类号 |
F16K31/122;F15B13/10;F15B20/00;F16F1/366 |
主分类号 |
F16K31/122 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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