초록 ▼

A subsea buoy for use in maneuvering a submerged object, the buoy comprising a buoyant body, a first frangible link for securing said buoy to the object, means for rupturing said first frangible link, a drogue secured to said buoyant body by a second frangible link and by means allowing said drogue

A subsea buoy for use in maneuvering a submerged object, the buoy comprising a buoyant body, a first frangible link for securing said buoy to the object, means for rupturing said first frangible link, a drogue secured to said buoyant body by a second frangible link and by means allowing said drogue to move on rupture of said second frangible link from a first configuration to a second configuration, where said drogue is spaced apart from said buoyant body, and a third frangible link extending between the object and said drogue.

대표청구항 ▼

1. A subsea buoy for use in maneuvering a submerged object, the buoy comprising a) a buoyant body, b) a first frangible link for securing said buoy to the object, c) means for rupturing said first frangible link, d) a drogue secured to said buoyant body by a second frangible link and by e) me

1. A subsea buoy for use in maneuvering a submerged object, the buoy comprising a) a buoyant body, b) a first frangible link for securing said buoy to the object, c) means for rupturing said first frangible link, d) a drogue secured to said buoyant body by a second frangible link and by e) means allowing said drogue to move on rupture of said second frangible link from a first configuration to a second configuration where said drogue is spaced apart from said buoyant body and f) a third frangible link extending between the object and said drogue. 2. The subsea buoy of claim 1 wherein said first frangible link is constructed so as to be ruptured remotely. 3. The subsea buoy of claim 2 wherein said first frangible link is constructed so as to be ruptured by an electrical signal. 4. The subsea buoy of claim 1 wherein said drogue is rigid. 5. The subsea buoy of claim 1 wherein said drogue is semi rigid. 6. The subsea buoy of claim 1 where said drogue comprises glass reinforced plastics material. 7. The subsea buoy of claim 1 wherein a plurality of holes are provided in said body and said drogue and said second frangible link comprises line passing through said holes. 8. The subsea buoy of claim 7 wherein said line is of stainless steel. 9. The subsea buoy of claim 1 wherein the third frangible link comprises line. 10. The subsea buoy of claim 1 comprising two nested drogues.