Patent ID: 11939838
Assignee: HALLIBURTON ENERGY SERVICES, INC.
Field: Civil engineering (Other fields)
Classification: CPC E | IPC E

Claim 17:
18. An assembly comprising:
a first port to communicate hydraulic fluid with a first fluid conveyance line;
a second port to communicate hydraulic fluid with a second fluid conveyance line;
a first-end stop proximate a first end of a bore of the assembly;
a second-end stop proximate a second end of the bore;
a seal moveable in the bore of the assembly between the first-end stop and the second-end stop to communicate pressure between the first port and the second port;
a first compressible element positionable between the seal and the first-end stop for applying force to the seal in response to the seal moving towards the first-end stop; and
a second compressible element positionable between the seal and the second-end stop for applying force to the seal in response to the seal moving towards the second-end stop.