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Thrust balancing in a centrifugal pump

IPC분류정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판)
  • F01D-003/00
출원번호 US-0811621 (2007-06-11)
등록번호 US8016545 (2011-08-30)
발명자 / 주소
  • Oklejas, Jr., Eli
출원인 / 주소
  • Fluid Equipment Development Company, LLC
대리인 / 주소
    Harness, Dickey & Pierce, P.L.C.
인용정보 피인용 횟수 : 2  인용 특허 : 56

초록

A centrifugal pump includes a casing having an impeller chamber, an inlet, an outlet, and a bearing chamber. A shaft disposed within the casing has an impeller end and a motor end. The impeller is coupled to the impeller end of the shaft and is disposed within the impeller chamber. A bearing is disp

대표청구항

What is claimed is: 1. A centrifugal pump comprising:a casing having an impeller chamber, an inlet, an outlet and a bearing chamber;a shaft having an impeller end and a motor end;an impeller coupled to the impeller end of the shaft disposed within the impeller chamber;a bearing disposed within the b

이 특허에 인용된 특허 (56)

  1. Yamamura Hiroyuki,JPX ; Kurihara Masaru,JPX ; Maeda Katsunosuke,JPX, Apparatus and method for multistage reverse osmosis separation.
  2. Oklejas Robert A., Apparatus for improving efficiency of a reverse osmosis system.
  3. Ikada Hiroyuki,JPX ; Tanno Takao,JPX ; Takeuchi Hiromu,JPX, Apparatus for processing fluid and method for producing separated fluid.
  4. Lapierre Donald (1900 ; 127 ime rue St. Georges de Beauce (Qubec) CAX G5Y 2W8), Apparatus for reverse osmosis using fluid recirculation.
  5. Eirich Hubert (Sandweg 16 6969 Hardheim DEX) Eirich Paul (Bahnhofstr. 11 6969 Hardheim DEX) Eirich Walter (Spessartweg 16 6969 Hardheim DEX) Durr Herbert (Viernheim DEX), Apparatus for treatment of power station residues.
  6. Kanigowski Wojceich (13782 Phyllis Pl. Garden Grove CA 92645), Balanced turbocharger.
  7. Gay Farral D. (Elkhorn WI) Schneider Steven D. (Delavan WI), Bearing arrangement for centrifugal pump.
  8. MacInnes Hugh (La Canada Huntington Beach CA) Uitti Paul M. (Huntington Beach CA), Bearing housing assembly method for high speed rotating shafts.
  9. Oklejas Robert A. (3311 Lakeview Dr. Baycrest Beach ; Monroe MI 48161) Oklejas Eli (517 W. Madison St. ; Apt. 5 Lansing MI 48906), Centrifugal pump.
  10. Oklejas Robert A. (774 E. Hurd Rd. Monroe MI 48161) Oklejas ; Jr. Eli (1648 W. Lorain ; Apt. 202 Monroe MI 48161), Centrifugal pump.
  11. Oklejas ; Jr. Eli, Channel-type pump.
  12. Uhlinger Robert A., Desalination method and apparatus utilizing nanofiltration and reverse osmosis membranes.
  13. Chancellor, Dennis, Filtration system with modularized energy recovery subsystem.
  14. Haq, Tanweer; Miller, John D.; Geibel, Stephen A.; Acquaviva, James, Fluid treatment elements.
  15. Bachl Herbert (Stolzingstr. 4/IV Munich 81 DT), Fluid-flow machine.
  16. Bosley Robert W. ; Edelman Edward C. ; Miller Ronald F., Gaseous fuel compression and control system and method.
  17. Tonelli Anthony A.,CAX ; Deutschmann Ake,CAX ; Wesno Susan L,CAX, High purity water using triple pass reverse osmosis (TPRO).
  18. Eli Oklejas, Jr., Hydraulic energy recovery device.
  19. Oklejas ; Jr. Eli (136 Bur Oak Ct. Monroe MI 48161) Oklejas Robert (774 E. Hurd Rd. Monroe MI 48161), Idler disk.
  20. Oklejas Robert A. (774 E. Hurd Rd. Monroe MI 48161) Oklejas ; Jr. Eli (1648 W. Lorain ; Apt. 202 Monroe MI 48161), Idler disk.
  21. Childs Willard D. ; Dabiri Ali, Integrated pumping and/or energy recovery system.
  22. Permar Clark (P.O. Box 701 Bolinas CA 94924), Liquid flow control system.
  23. Eli Oklelas, Jr., Method and apparatus for boosting interstage pressure in a reverse osmosis system.
  24. Oklejas, Jr., Eli, Method and apparatus for membrane recirculation and concentrate energy recovery in a reverse osmosis system.
  25. Pipes,Anthony, Method and apparatus for parallel desalting.
  26. Hagqvist, Peter; Fonser, Per; Dellby, Fredrik, Method and apparatus for purifying water.
  27. Keefer Bowie G. (4324 W. 11th Ave. Vancouver ; B.C. CAX), Multi-cylinder reverse osmosis apparatus and method.
  28. Coplan Myron J. (Natick MA) Bilewski Friedhelm (Medway MA) Sebring Robert (Westwood MA) Schiffer Daniel K. (Neenah WI), Multiple bundle separatory module.
  29. Katsube,Mikio; Nita,Kazuhide; Sekino,Masaaki, Permselective membrane module.
  30. Oklejas Robert A. (774 E. Hurd Rd. Monroe MI 48161) Oklejas ; Jr. Eli (1648 W. Lorain ; Apt. 202 Monroe MI 48161), Power recovery pump turbine.
  31. Oklejas Robert A. (774 E. Hurd Rd. Monroe MI 48161) Oklejas ; Jr. Eli (1648 W. Lorain ; Apt. 202 Monroe MI 48161), Power recovery pump turbine.
  32. Oklejas Robert A. (774 E. Hurd Rd. Monroe MI 48161) Oklejas ; Jr. Eli (136 Bur Oak Ct. Monroe MI 48161), Power recovery turbine pump.
  33. Bacchus Mohammed F. ; Dawson Bruce M. ; O'Neill Gary A., Process for purifying water.
  34. Moss Glenn A. (Cass City MI) Talaski Edward J. (Caro MI), Regenerative fuel pump.
  35. Keefer Bowie G. (Vancouver CAX), Reverse osmosis apparatus and method incorporating external fluid exchange.
  36. Keefer Bowie G. (4324 W. 11th Ave. Vancouver ; B. C. CAX V6R 2M1), Reverse osmosis method and apparatus.
  37. Keefer Bowie G. (4324 W. 11th Ave. Vancouver ; B.C. CAX), Reverse osmosis method and apparatus.
  38. Keefer Bowie G. (4324 West 11th Ave. Vancouver ; British Columbia CAX V6R 2M1), Reverse osmosis with free rotor booster pump.
  39. Ganley Thomas J. (46-08 195th St. Flushing ; Queens County NY 11358) Cronin Eamon P. (116 Prospeck Park West Brooklyn NY 11215 4), Rotary engine.
  40. Chang Ching M. (Williamsville NY) Sentz Ross H. (Williamsville NY), Rotary fluid handling machine having reduced fluid leakage.
  41. Keefer Bowie G. (4324 W. 11th Ave. Vancouver ; British Columbia CAX V6R 2M1), Rotary reverse osmosis apparatus and method.
  42. Keefer Bowie G. (4324 W. 11th Ave. Vancouver ; B.C. CAX V6R 2M1), Rotary shaft driven reverse osmosis method and apparatus.
  43. Keller Wolfgang (Bergisch-Gladbach DEX) Weiss Wolfgang (Cologne DEX), Rotary tube reactor for the thermal treatment of material.
  44. Oklejas, Jr., Eli, Rotating process chamber with integral pump and energy recovery turbine.
  45. Johnson, Jon E., Spiral wound element with improved feed space.
  46. Volland Craig S. (5615 Kenwood Kansas City MO 64110), Submerged rotating heat exchanger-reactor.
  47. Oklejas Robert A. (3311 Lakeview Drive Monroe MI 48161) Oklejas ; Jr. Eli (3311 Lakeview Drive Monroe MI 48161), Tesla-type turbine with alternating spaces on the rotor of cooling air and combustion gases.
  48. Oklejas ; Jr. Eli, Thrust bearing.
  49. Oklejas Robert A., Thrust bearing.
  50. Oklejas Robert A. ; Oklejas ; Jr. Eli, Thrust bearing.
  51. Oklejas ; Jr. Eli ; Rensink Andrew T., Thrust bearing for multistage centrifugal pumps.
  52. Mase Masahiro (Tochigi JPX) Sakagami Seiji (Ibaraki JPX) Okawada Takeshi (Ibaraki JPX) Ueda Shinjiroo (Abiko JPX) Awada Yoshihisa (Ibaraki JPX) Nagaoka Takashi (Ibaraki JPX), Turbo vacuum pump.
  53. Kemmner Ulrich (Stuttgart DEX) Frank Kurt (Schorndorf-Haubersbronn DEX) Niederkofler Michael (Remseck DEX), Unit for delivering fuel from the fuel tank to the internal combustion engine of a motor vehicle.
  54. Toyoshima Takeshi (Ibaraki JPX) Ogura Mitsuo (Katsuta JPX), Vacuum pump with helically threaded cylinders.
  55. Khmara Vladimir N. (Moscow RUX) Belotelova Ljudmila N. (Moscow RUX) Sergeev Vladimir N. (Moskovskaya RUX), Vortex flow blower.
  56. Pelmulder John P. (Saratoga CA), Water purification process and system.

이 특허를 인용한 특허 (2)

  1. Hunt, Jason B., Bi-directional hydrostatic thrust bearing for a rotating machine.
  2. Marcelli, Alberto, Multiple-stage centrifugal pump including a controlled leakage hydraulic balancing drum.
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