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DE60041076D1 - DIVING ENGINE WITH SHAFT SEALS - Google Patents

DIVING ENGINE WITH SHAFT SEALS

Info

Publication number
DE60041076D1
DE60041076D1 DE60041076T DE60041076T DE60041076D1 DE 60041076 D1 DE60041076 D1 DE 60041076D1 DE 60041076 T DE60041076 T DE 60041076T DE 60041076 T DE60041076 T DE 60041076T DE 60041076 D1 DE60041076 D1 DE 60041076D1
Authority
DE
Germany
Prior art keywords
seal chamber
seal
chamber
outboard
pump
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
DE60041076T
Other languages
German (de)
Inventor
Dale Andrews
Paul Russell
Michael Witzgall
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Lawrence Pumps Inc
Original Assignee
Lawrence Pumps Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Lawrence Pumps Inc filed Critical Lawrence Pumps Inc
Application granted granted Critical
Publication of DE60041076D1 publication Critical patent/DE60041076D1/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/08—Sealings
    • F04D29/10—Shaft sealings
    • F04D29/106—Shaft sealings especially adapted for liquid pumps
    • F04D29/108—Shaft sealings especially adapted for liquid pumps the sealing fluid being other than the working liquid or being the working liquid treated
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D13/00—Pumping installations or systems
    • F04D13/02—Units comprising pumps and their driving means
    • F04D13/06—Units comprising pumps and their driving means the pump being electrically driven
    • F04D13/08—Units comprising pumps and their driving means the pump being electrically driven for submerged use
    • F04D13/086—Units comprising pumps and their driving means the pump being electrically driven for submerged use the pump and drive motor are both submerged
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/08—Sealings
    • F04D29/10—Shaft sealings
    • F04D29/106—Shaft sealings especially adapted for liquid pumps

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
  • Motor Or Generator Frames (AREA)
  • Mechanical Sealing (AREA)
  • Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
  • Sealing Of Bearings (AREA)

Abstract

A submersible electric motor driven pump has a motor chamber and a pump chamber separated by a seal chamber. Inboard and outboard shaft seals(MS1,MS2) immersed in an oil buffer fluid within the seal chamber restricts the flow of liquid from the seal chamber into the pump and motor chambers. An integral or externally mounted pre-pressurized buffer fluid reservoir (PA) maintains a positive fluid pressure in the seal chamber relative to the external pressure at working depth, and maintains a suitable buffer fluid level within the seal chamber, in order to prevent the ingress of the pumped media through the outboard seal(MS2). A unique impeller design (631) circulates fluid within the seal chamber in the region of the outboard shaft seal (MS2), allowing continuous dry run operation when used in conjunction with an integrally cooled motor design. A cartridge shaft sleeve subassembly, having a bearing (3) configured between the inboard and outboard seals (MS1,MS2), facilitates maintenance.
DE60041076T 1999-10-04 2000-09-29 DIVING ENGINE WITH SHAFT SEALS Expired - Fee Related DE60041076D1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US15770299P 1999-10-04 1999-10-04
PCT/US2000/026898 WO2001025634A1 (en) 1999-10-04 2000-09-29 Submersible motor with shaft seals

Publications (1)

Publication Number Publication Date
DE60041076D1 true DE60041076D1 (en) 2009-01-22

Family

ID=22564910

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60041076T Expired - Fee Related DE60041076D1 (en) 1999-10-04 2000-09-29 DIVING ENGINE WITH SHAFT SEALS

Country Status (10)

Country Link
EP (1) EP1222393B1 (en)
JP (1) JP4644406B2 (en)
CN (1) CN1224782C (en)
AT (1) ATE417201T1 (en)
AU (1) AU7840800A (en)
CA (1) CA2385820C (en)
DE (1) DE60041076D1 (en)
ES (1) ES2317852T3 (en)
MX (1) MXPA02003375A (en)
WO (1) WO2001025634A1 (en)

Families Citing this family (24)

* Cited by examiner, † Cited by third party
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JP4715308B2 (en) * 2005-05-27 2011-07-06 株式会社日立プラントテクノロジー Seal structure and method for discharging intrusion water
CN100370146C (en) * 2006-04-10 2008-02-20 于业明 Mechaniclly sealing device of immersible pump
ITMI20060799A1 (en) * 2006-04-21 2007-10-22 Calzoni Srl ELECTRIC IMPLEMENTING EQUIPMENT FOR HANDLING OF SENSOR HOLDERS AND SIMILAR OF SUBMERSIBLE
JP4972469B2 (en) * 2007-06-08 2012-07-11 株式会社クボタ pump
NO327557B2 (en) * 2007-10-09 2013-02-04 Aker Subsea As Pump protection system
CA2645236A1 (en) * 2008-11-03 2010-05-03 Imad Hamad Submersed turbine bearings
EP2477731B1 (en) * 2009-09-15 2020-05-20 Flowserve Management Company Vertically rotatable shaft assembly with thermally insulated housing
US8491277B2 (en) 2010-02-12 2013-07-23 Ebara Corporation Submersible motor pump, motor pump, and tandem mechanical seal
DE102012108358A1 (en) * 2012-09-07 2014-03-13 Herborner Pumpenfabrik J. H. Hoffmann Gmbh & Co. Kg Pump with dry run protection
JP2014156789A (en) * 2013-02-14 2014-08-28 Kawamoto Pump Mfg Co Ltd Submersible pump
EP2921710B1 (en) * 2014-03-18 2017-12-27 Grundfos Holding A/S Continuous flow machine with sealing device and associated maintenance procedures
CN105715560B (en) * 2016-03-28 2018-02-13 武汉船用机械有限责任公司 A kind of pump head device of deep well pump
US10550949B2 (en) 2016-08-23 2020-02-04 Onesubsea Ip Uk Limited Barrier fluid pressure system and method
RU176502U1 (en) * 2017-05-12 2018-01-22 Открытое акционерное общество (ОАО) "Турбонасос" CENTRIFUGAL VERTICAL PUMP
RU175622U1 (en) * 2017-05-29 2017-12-12 Акционерное общество (АО) "Научно-исследовательский институт "Лопастных машин" ("НИИ ЛМ") VERTICAL CENTRIFUGAL SUBMERSIBLE PUMP
RU175587U1 (en) * 2017-05-29 2017-12-11 Акционерное общество (АО) "Научно-исследовательский институт "Лопастных машин" ("НИИ ЛМ") CENTRIFUGAL VERTICAL SUBMERSIBLE PUMP
DE202017103958U1 (en) * 2017-07-03 2018-10-05 Brinkmann Pumpen K.H. Brinkmann Gmbh & Co. Kg Coolant pump
CN107747545B (en) * 2017-11-22 2024-02-02 山西神龙泵业有限公司 Amphibious pipeline pump
CN109058126A (en) * 2018-09-20 2018-12-21 江苏大学镇江流体工程装备技术研究院 A kind of vertical emergency drainage centrifugal pump
CN112032064B (en) * 2020-09-15 2024-06-07 江苏博禹泵业有限公司 Large-flow portable stainless steel hydraulic submersible pump with motor not contacted with water
CN112065534B (en) * 2020-09-18 2021-07-06 神通科技集团股份有限公司 Active oil-gas separator
CN113294348B (en) * 2021-07-09 2024-11-08 上海佰诺泵阀有限公司 Air cushion separation type leakage-free slurry magnetic pump
CN113629930B (en) * 2021-10-12 2022-02-08 江苏应龙高压电机制造有限公司 Deep sea is with oily formula submersible motor refueling unit that does not tear open
CN114526240B (en) * 2022-03-25 2024-06-07 西安泵阀总厂有限公司 Rare earth permanent magnet driven single-stage single-suction centrifugal pump, flushing and self-lubricating method

Family Cites Families (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2545422A (en) * 1945-02-13 1951-03-13 Byron Jackson Co Motor pump
US2581504A (en) * 1949-12-16 1952-01-08 Wilfley & Sons Inc A Centrifugal pump
NL176296B (en) * 1974-01-30 1984-10-16 Gutehoffnungshuette Sterkrade ROTARY HIGH PRESSURE COMPRESSOR.
DE2406918C2 (en) * 1974-02-14 1982-09-16 Hochtemperatur-Reaktorbau GmbH, 5000 Köln Gas- and pressure-tight device for carrying out drive movements through a wall
DE3120232C2 (en) * 1981-05-21 1985-03-21 Klein, Schanzlin & Becker Ag, 6710 Frankenthal Pressure compensation device for the electric motor of an encapsulated centrifugal pump motor unit
JPS5833797A (en) * 1981-08-24 1983-02-28 株式会社トプコン Photoelectric conversion measuring apparatus
JPS60134896A (en) * 1983-12-22 1985-07-18 東急車輌製造株式会社 Detector for kind of liquid in dangerous article storage tank
WO1988004733A1 (en) * 1986-12-15 1988-06-30 Vaqua Limited Centrifugal pump
JPS6439493A (en) * 1987-08-05 1989-02-09 Ohbayashi Corp Arbitrary section shielding excavator
JPH0294462A (en) * 1988-09-29 1990-04-05 Matsushita Electron Corp Lead frame for semiconductor device
JPH0294462U (en) * 1989-01-12 1990-07-26
US5211532A (en) * 1990-04-21 1993-05-18 David Brown Engineering Limited Apparatus for applying a back pressure to a pump drive shaft seal
JPH0794956B2 (en) * 1990-06-30 1995-10-11 川崎重工業株式会社 Method and apparatus for fastening pressure head of metal melting furnace
JPH0462391U (en) * 1990-10-02 1992-05-28
JPH10205499A (en) * 1997-01-20 1998-08-04 Tsurumi Mfg Co Ltd Motor cooling device for vertical type motor-driven pump
JPH1130337A (en) * 1997-07-08 1999-02-02 Toyo Denki Kogyosho:Kk Shaft seal device for underwater machine
US5938205A (en) * 1997-08-18 1999-08-17 A.W. Chesterton Company Method and apparatus for optimizing barrier fluid flow for promoting cool running of a cartridge dual seal
CA2283603A1 (en) * 1998-10-01 2000-04-01 Paul W. Behnke Forced closed-loop cooling for a submersible pump motor

Also Published As

Publication number Publication date
CA2385820C (en) 2010-04-06
ES2317852T3 (en) 2009-05-01
CN1377447A (en) 2002-10-30
EP1222393A4 (en) 2002-11-06
ATE417201T1 (en) 2008-12-15
CA2385820A1 (en) 2001-04-12
MXPA02003375A (en) 2004-09-27
AU7840800A (en) 2001-05-10
CN1224782C (en) 2005-10-26
JP2003529702A (en) 2003-10-07
JP4644406B2 (en) 2011-03-02
EP1222393B1 (en) 2008-12-10
WO2001025634A1 (en) 2001-04-12
EP1222393A1 (en) 2002-07-17

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee