Piston accumulator bladder apparatus system and method

摘要

The present invention is a new and improved bladder for use with a piston accumulator apparatus, system and method of using same that provides a dispersion tube in the bladder to allow fluid to be communicated under a vacuum from the bladder to the accumulator seawater chamber and back again.

主权项

1. A subsea piston accumulator and bladder system comprising:
a subsea piston accumulator having a seawater port for selectively communicating hydraulic fluid into and out of said subsea piston accumulator; a conduit having a first end connected to said seawater port and a second end; a bladder having an interior and a bladder aperture connected to said second end of said conduit for communicating said hydraulic fluid into and out said interior of said bladder; a liner disposed in said interior of said bladder, said liner having an interior adapted to hold said hydraulic fluid and wherein said liner has a liner aperture for communicating said hydraulic fluid into and out of said interior of said liner; and a dispersion tube disposed in said liner, said dispersion tube having a first end with a first end aperture for communicating said hydraulic fluid into and out of said dispersion tube, a length, a second end, and a plurality of dispersion tube apertures on said length adapted to communicate said hydraulic fluid into and out of said dispersion tube and into and out of said interior of said liner.