Patent ID: 9670746
Date: 2017-06-06
CPC Classifications: E21B,F15B

Claim:
1. A device for adjusting a media pressure relative to an ambient pressure defined by a depth-dependent seawater pressure when in use, comprising: a compensator device having seawater pressure applied thereto, and being able to have a reversible change in length or elongation, said compensator device including at least two compensator elements provided in series in a direction of the reversible change in length or elongation; a supporting housing enclosing said compensator device and a first media chamber having media pressure; a seawater chamber in said compensator device with a media-tight seal between said seawater chamber and said media chamber; and a pressure transmission device with said compensator device, said pressure transmission device and said first media chamber being arranged and connected in said supporting housing in sequence in a longitudinal direction of said supporting housing, said longitudinal direction being a chain of action of said compensator device and said pressure transmission device, said pressure transmission device including a double piston assembly with a first piston adjacent said seawater chamber and with a second piston adjacent to said media chamber.