发明名称 |
EMERGENCY CYLINDER LOWERING CIRCUIT WITH REGENERATIVE HYDRAULICS AND BURST PROTECTION |
摘要 |
A safety system for bypassing counter balance valves of a catwalk hydraulic cylinder from a remote location in a safe and controlled manner. Oil from a base end of the hydraulic cylinder is routed around the counter balance valves and flows through a velocity fuse to a needle valve, a check valve, and a pump outlet. |
申请公布号 |
CA2901623(A1) |
申请公布日期 |
2014.10.02 |
申请号 |
CA20142901623 |
申请日期 |
2014.03.13 |
申请人 |
FORUM US, INC. |
发明人 |
SWANSON, GREGORY DAVID;MEUTH, JOSHUA BRANDON |
分类号 |
F16K17/00 |
主分类号 |
F16K17/00 |
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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