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특허 상세정보

High efficiency impeller

국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판) F04B-035/04    F04D-013/08    F04D-029/24   
출원번호 US-0276449 (2011-10-19)
등록번호 US-9046090 (2015-06-02)
발명자 / 주소
출원인 / 주소
대리인 / 주소
    Bracewell & Giuliani LLP
인용정보 피인용 횟수 : 1  인용 특허 : 15

An impeller vane includes at least one groove on a high pressure or working surface of the impeller vane to increase pump efficiency and reduce pump power requirements. The impeller vane includes a groove or a plurality of grooves formed on the high pressure surface of the vane. The grooves extend from a leading end of the vane to a trailing end of the vane. The grooves define ridges on either side of each groove that extend the length of the groove.


1. An electric submersible pump (ESP) assembly comprising: a pump having a plurality of stages, each stage comprising a rotatable impeller and a non-rotating diffuser;a motor operatively coupled to the pump for rotating the impellers; wherein each of the impellers comprises:a plurality of curved vanes interposed between an upper shroud and a lower shroud, each of the vanes curving radially outward from an area proximate to a cylindrical hub to an outer diameter of the lower shroud;a plurality of parallel, spaced apart grooves formed in a convex surface o...

이 특허에 인용된 특허 (15)

  1. Rudolf M. Markytan. Airfoil configured for moisture removal from steam turbine flow path. USP2002116474942.
  2. Werle Michael J. (W. Hartford CT) Presz ; Jr. Walter M. (Wilbraham MA) Paterson Robert W. (Simsbury CT). Airfoil trailing edge. USP1989034813633.
  3. Ishijima Mitsuyoshi,JPX ; Koshitani Tetsuya,JPX ; Shimizu Satoshi,JPX. Axial blower. USP2001106296446.
  4. Shyu Jia-Ming (Hsinchu City TWX). Axial-flow fan-blade with profiled guide fins. USP1993035193983.
  5. Lonnie Bassett. Centrifugal submersible pump. USP2002036361272.
  6. Arbeus Ulf (Lidingo SEX). Closed type impeller. USP1991014981417.
  7. Walsh Michael J. (Newport News VA) Anders John B. (Yorktown VA) Hefner Jerry N. (Newport News VA). Combined riblet and lebu drag reduction system. USP1987114706910.
  8. Gustafson,Thomas J.; Chinoda,Zvirimumwoyo P.; Hilgefort,Kurt A.; Meyer,Terrence J.; Reck,Carl L.. Fan blade with ridges. USP2009027494325.
  9. Uselton, Robert B.; Cook, Leonard J.; Wright, Terry. Fan with reduced noise generation. USP2005036872048.
  10. Weetman Ronald J.. Mixing impeller system having blades with slots extending essentially all the way between tip and hub ends thereof which facilitate mass transfer. USP2001066250797.
  11. Powers Charles S.. Propellers and impellers with stress-relieving recesses. USP2001086280144.
  12. Philip Watts ; Frank E. Fish. Scalloped wing leading edge. USP2002086431498.
  13. Owczarek Jerzy A. (2345 Overlook Dr. Bethlehem PA 18017). Stator blades of turbomachines. USP1988014720239.
  14. Paul D. McClure. Streamwise variable height riblets for reducing skin friction drag of surfaces. USP2002026345791.
  15. Kao, Alan Lin. Submersible pump impeller design for lifting gaseous fluid. USP2004016676366.

이 특허를 인용한 특허 피인용횟수: 1

  1. Marsis, Emanuel G.. Nozzle-shaped slots in impeller vanes. USP2017109777741.