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특허 상세정보

Vibration and drag reduction system for fluid-submersed hulls

국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판) B63B-001/34   
미국특허분류(USC) 114/067A ; 114/264 ; 114/265
출원번호 US-0213597 (1998-12-16)
발명자 / 주소
출원인 / 주소
대리인 / 주소
    Fish & Richardson P.C.
인용정보 피인용 횟수 : 13  인용 특허 : 1
초록

A system for reducing hydrodynamic drag and vortex-induced-vibration ("VIV") in a bluff hull. In a bluff hull that is designed to be at least partially submerged in a fluid, such as water, the hull has an internal area for holding or transferring fluid. When the hull is beset by a current present in the water, the surface of the bluff hull has an up-current side and a down-current side. The hull surface has at least one opening, preferably a slot-nozzle, for blowing the fluid from the internal fluid area of the bluff hull out of the hull surface and into...

대표
청구항

[ What is claimed is:] [1.] A system for reducing hydrodynamic drag and vortex-induced-vibration ("VIV") of a bluff hull beset by a current, comprising:a. a bluff hull, designed to be at least partially submerged in an exterior fluid, the bluff hull having a hull interior and a hull surface, the hull surface having an up-current side and a down-current side such that the up-current side may be beset by a current present in the exterior fluid, wherein the bluff hull has an axis and is substantially cylindrical with the axis running along the height of the...

이 특허를 인용한 특허 피인용횟수: 13

  1. Shu, Hongbo; Allen, Donald Wayne. Active apparatus and method for reducing fluid induced stresses by introduction of energetic flow into boundary layer around an element. USP2003046551029.
  2. Jarng, Tony Youngjoo. Appratus for mooring floater using submerged pontoon. USP2017049611011.
  3. Murray,John. Extendable draft platform with buoyancy column strakes. USP2008127467912.
  4. Allen, Donald Wayne; Henning, Dean Leroy; McDaniel, Richard Bruce; McMillan, David Wayne; Dupal, Kenneth. Methods and systems for reducing drag and vortex-induced vibrations on cylindrical structures. USP2004036702026.
  5. Horton, Edward E.. Offshore platform stabilizing strakes. USP2005106953308.
  6. Shu, Hongbo; Allen, Donald Wayne. Passive apparatus and method for reducing fluid induced stresses by introduction of energetic flow into boundary layer around structures. USP2003116644894.
  7. Roper, Richard Robert; Shen, Xiaochun; Li, Wenzhi. Riser deflection mitigation. USP2018029903509.
  8. Mc Daniel, Richard Bruce; Allen, Donald Wayne; McMillian, David Wayne; Dupal, Kenneth. Smooth buoyancy system for reducing vortex induced vibration in subsea systems. USP2003066571878.
  9. Allen,Donald Wayne; Henning,Dean Leroy; McMillan,David Wayne; McDaniel,Richard Bruce; Dupal,Kenneth. Smooth sleeves for drag and VIV reduction of cylindrical structures. USP2006037017666.
  10. Luo, Michael Y. H.; Mohr, Harvey O.; Zhang, Lixin; Lambrakos, Kostas Filoktitis. Spar hull belly strake design and installation method. USP2014078783198.
  11. Brown,Neal A.; Grinius,Victor G.; Shaar,Cam M.. System and method for reducing drag and vortex induced vibration in marine applications. USP2006097108457.
  12. Fischer, III, Ferdinand J.. Thruster apparatus and method for reducing fluid-induced motions of and stresses within an offshore platform. USP2005056886487.
  13. Neal A. Brown ; Victor G. Grinius ; Cam M. Shaar. Vibration and drag reduction system for fluid-submersed hulls. USP2002026349664.