HYDRASEAL FRAC SEAL |
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| 申请号 | US15848400 | 申请日 | 2017-12-20 | 公开(公告)号 | US20180112492A1 | 公开(公告)日 | 2018-04-26 |
| 申请人 | Fracmaster, LLC; | 发明人 | Don Atencio; | ||||
| 摘要 | A valve seal assembly that provides for external pressure to be introduced to an energized seal of a valve, and compress the seal against a gate with enough force to block any paths where sand and chemicals would otherwise travel into valve body cavity or void. The external pressure introduced through pressure fitting makes the parts move like piston forcing the parts to compress together eliminating the machined tolerances or gaps required for the gate to be opened or closed. The compression can be provided by hydraulic pressure devices through injection ports. A separate valve seal assembly can be provided for each face of the gate and both assemblies can be activated when the fluids are flowing (open position) and an upstream valve seal assembly activated when the gate is in a closed position. | ||||||
| 权利要求 | |||||||
| 说明书全文 | |||||||
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