NO965488L - Tetning-/lagersammenstilling - Google Patents

Tetning-/lagersammenstilling

Info

Publication number
NO965488L
NO965488L NO965488A NO965488A NO965488L NO 965488 L NO965488 L NO 965488L NO 965488 A NO965488 A NO 965488A NO 965488 A NO965488 A NO 965488A NO 965488 L NO965488 L NO 965488L
Authority
NO
Norway
Prior art keywords
groove
fluid
packing box
tetning
bearing assembly
Prior art date
Application number
NO965488A
Other languages
English (en)
Norwegian (no)
Other versions
NO965488D0 (no
Inventor
Thomas W Ramsay
Original Assignee
Thomas W Ramsay
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
Priority claimed from CA002126262A external-priority patent/CA2126262A1/en
Priority claimed from GB9423260A external-priority patent/GB9423260D0/en
Priority claimed from GBGB9425594.0A external-priority patent/GB9425594D0/en
Priority claimed from GBGB9506195.8A external-priority patent/GB9506195D0/en
Application filed by Thomas W Ramsay filed Critical Thomas W Ramsay
Publication of NO965488D0 publication Critical patent/NO965488D0/no
Publication of NO965488L publication Critical patent/NO965488L/no

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
    • F04D29/04—Shafts or bearings, or assemblies thereof
    • F04D29/046—Bearings
    • F04D29/047—Bearings hydrostatic; hydrodynamic
    • 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
    • F04D13/12—Combinations of two or more pumps
    • 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
    • F04D29/00—Details, component parts, or accessories
    • F04D29/18—Rotors
    • F04D29/22—Rotors specially for centrifugal pumps
    • F04D29/2261—Rotors specially for centrifugal pumps with special measures
    • F04D29/2266—Rotors specially for centrifugal pumps with special measures for sealing or thrust balance
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D3/00—Axial-flow pumps
    • F04D3/02—Axial-flow pumps of screw type
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C17/00—Sliding-contact bearings for exclusively rotary movement
    • F16C17/10—Sliding-contact bearings for exclusively rotary movement for both radial and axial load
    • F16C17/102—Sliding-contact bearings for exclusively rotary movement for both radial and axial load with grooves in the bearing surface to generate hydrodynamic pressure
    • F16C17/105—Sliding-contact bearings for exclusively rotary movement for both radial and axial load with grooves in the bearing surface to generate hydrodynamic pressure with at least one bearing surface providing angular contact, e.g. conical or spherical bearing surfaces
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C21/00—Combinations of sliding-contact bearings with ball or roller bearings, for exclusively rotary movement
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
    • F16C33/02—Parts of sliding-contact bearings
    • F16C33/04—Brasses; Bushes; Linings
    • F16C33/06—Sliding surface mainly made of metal
    • F16C33/10—Construction relative to lubrication
    • F16C33/1025—Construction relative to lubrication with liquid, e.g. oil, as lubricant
    • F16C33/106—Details of distribution or circulation inside the bearings, e.g. details of the bearing surfaces to affect flow or pressure of the liquid
    • F16C33/107—Grooves for generating pressure
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
    • F16C33/72—Sealings
    • F16C33/74—Sealings of sliding-contact bearings
    • F16C33/741—Sealings of sliding-contact bearings by means of a fluid
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16J—PISTONS; CYLINDERS; SEALINGS
    • F16J15/00—Sealings
    • F16J15/16—Sealings between relatively-moving surfaces
    • F16J15/40—Sealings between relatively-moving surfaces by means of fluid
    • F16J15/406—Sealings between relatively-moving surfaces by means of fluid by at least one pump
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C2210/00—Fluids
    • F16C2210/10—Fluids water based
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C2240/00—Specified values or numerical ranges of parameters; Relations between them
    • F16C2240/40—Linear dimensions, e.g. length, radius, thickness, gap
    • F16C2240/42—Groove sizes

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
NO965488A 1994-06-20 1996-12-19 Tetning-/lagersammenstilling NO965488L (no)

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
CA002126262A CA2126262A1 (en) 1994-06-20 1994-06-20 Shaft mounted and impeller mounted pumping sleeve and bushing
GB9423260A GB9423260D0 (en) 1994-11-16 1994-11-16 Shaft-mounted and impeller-mounted pumping sleeve and bushing
GBGB9425594.0A GB9425594D0 (en) 1994-12-19 1994-12-19 Shaft-mounted and impeller-mounted pumping sleeve and bushing
GBGB9506195.8A GB9506195D0 (en) 1995-03-27 1995-03-27 Shaft-mounted and impeller mounted pumping sleeve and bushing
PCT/CA1995/000362 WO1995035457A1 (en) 1994-06-20 1995-06-19 Seal/bearing assembly
US08/770,044 US5827042A (en) 1994-06-20 1996-12-19 Seal/bearing assembly

Publications (2)

Publication Number Publication Date
NO965488D0 NO965488D0 (no) 1996-12-19
NO965488L true NO965488L (no) 1997-02-19

Family

ID=27508545

Family Applications (1)

Application Number Title Priority Date Filing Date
NO965488A NO965488L (no) 1994-06-20 1996-12-19 Tetning-/lagersammenstilling

Country Status (6)

Country Link
US (1) US5827042A (fi)
EP (1) EP0769111B1 (fi)
CA (1) CA2193482C (fi)
FI (1) FI113888B (fi)
NO (1) NO965488L (fi)
WO (1) WO1995035457A1 (fi)

Families Citing this family (57)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2766875B2 (ja) * 1995-04-10 1998-06-18 日本ピラー工業株式会社 軸封システム装置
WO1997013084A1 (en) * 1995-10-02 1997-04-10 A.W. Chesterton Co. Rotary seal and/or bearing
SE9600157L (sv) * 1996-01-16 1997-03-17 Marine Jet Power Ab Navpaket för stråldriftsaggregat
GB2310468A (en) * 1996-02-20 1997-08-27 Thomas Wilson Ramsay Seal assembly for a rotary shaft
DE69716552T2 (de) * 1996-04-30 2003-06-26 A.W. Chesterton Co., Stoneham Dichtung/lagervorrichtung
WO1998005890A1 (en) 1996-08-05 1998-02-12 A.W. Chesterton Co. Seal/bearing assembly
US6234490B1 (en) * 1999-07-09 2001-05-22 George B. Champlin Leakfree pumpback packing
US6695480B1 (en) 1999-07-13 2004-02-24 A.W. Chesterton Co. Opposed flow seal/bearing assembly
US6296254B1 (en) * 1999-08-26 2001-10-02 Flowserve Management Company Mechanical seal assembly with improved fluid circulation
CA2312577C (en) 2000-06-27 2005-02-08 Horst Gotowik Apparatus for testing or isolating a segment of pipe
US6655695B1 (en) * 2001-02-13 2003-12-02 Honeywell International Inc. Face seal assembly with composite rotor
GB0126105D0 (en) * 2001-10-31 2002-01-02 Aes Eng Ltd Seal support systems - auto refill device
US8979093B2 (en) * 2002-06-21 2015-03-17 Inpro/Seal, LLC Pressure balanced shaft seal assembly
JP4005479B2 (ja) * 2002-11-11 2007-11-07 Ｔｈｋ株式会社 ホモジナイザー
US6854955B2 (en) 2003-01-07 2005-02-15 Sundyne Corporation Internal lubrication screw pump for hollow shaft
CN100430606C (zh) * 2004-01-05 2008-11-05 财团法人工业技术研究院 高速悬臂离心式压缩机转子机构
US6966749B2 (en) * 2004-01-07 2005-11-22 California Acrylic Industries Pump with seal rinsing feature
US7575413B2 (en) * 2005-03-11 2009-08-18 Baker Hughes Incorporated Abrasion resistant pump thrust bearing
US7793940B2 (en) * 2006-05-16 2010-09-14 Skf Usa Inc. Mechanical end face seal with ultrahard face material
US7607884B2 (en) * 2006-07-10 2009-10-27 Hayward Gordon Limited Centrifugal pump with mechanical seal arrangement
NO330109B1 (no) * 2008-02-07 2011-02-21 Statoilhydro Asa Opplagringssystem for rotor i roterende maskiner
EP2218998B1 (en) * 2009-02-03 2012-12-19 Ipsen, Inc. A sealing mechanism for a vacuum heat treating furnace
US9347458B2 (en) 2010-12-21 2016-05-24 Pentair Flow Technologies, Llc Pressure compensating wet seal chamber
EP2655804B1 (en) * 2010-12-21 2019-08-28 Pentair Flow Technologies, LLC Pressure compensating wet seal chamber
US9150190B2 (en) 2011-03-02 2015-10-06 Indiana Mills & Manufacturing, Inc. Hermetically sealed locking retractor
EP2758287A4 (en) * 2011-08-03 2015-06-17 Shield Restraint Systems Inc SEAT BELT HOLDER, AND CORRESPONDING SYSTEMS AND METHOD
US8899314B2 (en) 2012-02-06 2014-12-02 Brightling Equipment Ltd. Stuffing box
BR112014025984B1 (pt) * 2012-04-17 2021-12-07 Pentair Flow Technologies, Llc Bomba compreendendo câmara de bomba, eixo, impulsor, vedação e câmara de vedação a úmido
FR2991736A1 (fr) * 2012-06-06 2013-12-13 Alstom Technology Ltd Dispositif d'etancheite d'une pompe
US20140271141A1 (en) * 2013-03-14 2014-09-18 Imo Industries, Inc. Pump sealing system with throttle bushing
US8888105B1 (en) 2013-05-29 2014-11-18 Stephen J. Andrews Mechanical seal system
US9243668B2 (en) * 2013-09-09 2016-01-26 Carl Moody Shaft bearing support assembly for waterborne equipment
CA2952379C (en) 2014-06-13 2019-04-30 Echogen Power Systems, Llc Systems and methods for controlling backpressure in a heat engine system having hydrostatic bearings
RU2557051C1 (ru) * 2014-07-18 2015-07-20 Федеральное государственное бюджетное образовательное учреждение высшего профессионального образования "Братский государственный университет" Насос трения для перекачки масел
CN104214351B (zh) * 2014-07-31 2016-04-20 北京机电院机床有限公司 一种机床主轴的气密封设计方法
JP2016044673A (ja) * 2014-08-22 2016-04-04 日本電産株式会社 動圧軸受ポンプ
JP2016044674A (ja) * 2014-08-22 2016-04-04 日本電産株式会社 動圧軸受ポンプ
US9976597B2 (en) 2015-08-25 2018-05-22 Crown Iron Works Company Bearing assembly for extractor systems
CN105134762B (zh) * 2015-09-07 2018-03-27 发基化学品（张家港）有限公司 一种反应器搅拌轴滑动轴承
US20170306982A1 (en) * 2016-04-20 2017-10-26 HST Asset Holdings LLC Split Casing Cavitation Generator
US10718375B2 (en) * 2016-05-16 2020-07-21 Roller Bearing Company Of America, Inc. Bearing system with self-lubrication features, seals, grooves and slots for maintenance-free operation
US11473626B2 (en) 2016-05-16 2022-10-18 Roller Bearing Company Of America, Inc. Bearing system with self-lubrication features, seals, grooves and slots for maintenance-free operation
MX2018015323A (es) * 2016-06-10 2019-08-14 Crane John Uk Ltd Sello de gas de emision reducida.
US11796064B2 (en) 2016-06-10 2023-10-24 John Crane Uk Limited Reduced emission gas seal
CN106050728B (zh) * 2016-07-12 2018-11-13 浙江工业大学 一种内壁仿龙卷风螺旋沟槽复合结构的密封腔体
CN106763214A (zh) * 2017-01-18 2017-05-31 东南大学 一种用于电机后置式电主轴辅助支承的动静压水轴承
CN110537041B (zh) 2017-03-09 2022-05-24 江森自控科技公司 背对背轴承密封系统
US10941779B2 (en) * 2017-04-07 2021-03-09 Baker Hughes, A Ge Company, Llc Abrasion resistant inserts in centrifugal well pump stages
DE102017216248A1 (de) * 2017-09-14 2019-03-14 Siemens Aktiengesellschaft Adaptive kontaktlose Gasdichtung an Maschinenwellen
WO2020017635A1 (ja) * 2018-07-19 2020-01-23 株式会社荏原製作所 シールシステム、および該シールシステムを備えたポンプシステム
FI4048901T3 (fi) * 2019-10-21 2023-08-15 Sulzer Management Ag Pumppujärjestely tiivistenesteen pumppaamiseksi ja mekaaninen akselitiiviste
US11353113B2 (en) 2019-11-01 2022-06-07 International Paper Company Seal assembly and method of using the same
RU2744621C1 (ru) * 2020-10-06 2021-03-12 Акционерное общество "Гидрогаз" (АО "Гидрогаз") Центробежный консольный насос
EP4012186A1 (en) * 2020-12-08 2022-06-15 Sulzer Management AG Process fluid lubricated pump and pumping system
US11933321B2 (en) * 2021-01-13 2024-03-19 Sulzer Management Ag Rotary pump for conveying a fluid
CN114320933B (zh) * 2022-01-12 2024-06-04 浙江钱涛泵业股份有限公司 一种污水泵泵头
CN114876816A (zh) * 2022-06-21 2022-08-09 常州市东南电器电机有限公司 一种汽车电子水泵的隔水套单密封结构

Family Cites Families (32)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US640059A (en) * 1899-03-02 1899-12-26 Frank Whitney Roller-bearing.
US969763A (en) * 1909-09-01 1910-09-06 John Newmann Roller-bearing.
US1122987A (en) * 1912-03-04 1914-12-29 Arthur S Hickok Antifriction-bearing.
US1132759A (en) * 1914-03-17 1915-03-23 Graphite Lubricating Company Floating bearing.
US1205449A (en) * 1916-01-20 1916-11-21 Orlando W Hart Roller-bearing.
US1923597A (en) * 1931-04-17 1933-08-22 Clinton L Walker Bearing lubricator
US3081095A (en) * 1959-06-02 1963-03-12 Thompson Ramo Wooldridge Inc Liquid fluorine seal
FR1348765A (fr) * 1963-02-12 1964-01-10 Asahi Chemical Ind Dispositif d'étanchéité pour des arbres destinés au traitement de liquides extrêmement visqueux
US3246901A (en) * 1963-04-02 1966-04-19 Du Pont Sealing arrangement for preventing escape of gas along a vertical rotating shaft
US3375015A (en) * 1966-09-30 1968-03-26 Judson S. Swearingen Shaft seal employing seal gas with means for indicating proper flow thereof
NL149575B (nl) * 1966-12-07 1976-05-17 Philips Nv Legerbus voor een hydrodynamisch leger.
NL6706569A (fi) * 1967-05-11 1968-11-12
NL6713596A (fi) * 1967-10-06 1969-04-09
DE2254265C3 (de) * 1972-11-06 1980-06-12 Franz 4630 Bochum Klaus Stopfbuchslose Chemiekreiselpumpe
FR2288909A1 (fr) * 1974-10-21 1976-05-21 Activite Atom Avance Joint tournant d'etancheite par effet visqueux
US4231623A (en) * 1978-10-02 1980-11-04 Tecumseh Products Company Steel connecting rod bearing liner for internal combustion engines
US4305592A (en) * 1979-10-23 1981-12-15 Transamerica Delaval, Inc. Gas seal bushing
US4368895A (en) * 1980-12-01 1983-01-18 Mitsubishi Denki Kabushiki Kaisha Shaft sealing device utilizing a non-uniform groove depth
US4462644A (en) * 1981-04-10 1984-07-31 Conner Jack S Bearing utilizing helical insert
JPS58113660A (ja) * 1981-12-07 1983-07-06 Kyodo Kikai Seisakusho:Kk 自己液圧発生保持機構
NL8303833A (nl) * 1983-11-08 1985-06-03 Philips Nv Spiraalgroeflager met metaalsmering en antibevochtigingslaag.
US4606652A (en) * 1984-06-20 1986-08-19 Rotoflow, Corporation Shaft seal for turbomachinery
DE3541816A1 (de) * 1985-11-27 1987-06-04 Flender A F & Co Drehdichtung
US5249812A (en) * 1990-03-12 1993-10-05 John Crane Inc. Barrier seal systems
US5125792A (en) * 1990-09-14 1992-06-30 Itt Corporation Pump stuffing box with heat exchange device
US5167418A (en) * 1991-04-04 1992-12-01 Dunford Joseph R Grit protector
JP3009766B2 (ja) * 1991-08-09 2000-02-14 トヨタ自動車株式会社 内燃機関用すべり軸受
US5370401A (en) * 1992-06-30 1994-12-06 Eg&G Sealol, Inc. Antirotational and axial force component in a pusher seal assembly and tool for wear installation
US5370400A (en) * 1992-07-09 1994-12-06 Newton; John R. Fluid environment sealing system
US5333955A (en) * 1993-01-11 1994-08-02 Papa George M Automotive main bearing
US5372730A (en) * 1993-08-17 1994-12-13 A. W. Chesterton Company Filtering system for pump shaft seals
US5553868A (en) * 1994-11-03 1996-09-10 Dunford; Joseph R. Seal cavity throat bushing

Also Published As

Publication number Publication date
CA2193482A1 (en) 1995-12-28
US5827042A (en) 1998-10-27
WO1995035457A1 (en) 1995-12-28
FI965142A (fi) 1996-12-20
FI113888B (fi) 2004-06-30
AU2709395A (en) 1996-01-15
CA2193482C (en) 2002-08-20
EP0769111B1 (en) 2002-08-14
FI965142A0 (fi) 1996-12-20
NO965488D0 (no) 1996-12-19
EP0769111A1 (en) 1997-04-23
AU689906B2 (en) 1998-04-09

Similar Documents

Publication Publication Date Title
NO965488L (no) Tetning-/lagersammenstilling
IT8422639A0 (it) Dispositivo utilizzabile in particolare per il pompaggio di un fluido molto viscoso e/o contenente una proporzione considerevole di gas, particolarmente per laproduzione di petrolio.
IT1149173B (it) Paletta di una macchina a fluidi, in particolare di una turbina a gas e procedimento per produrla
CA2093151A1 (en) Face seal with double spiral grooves
ES8801400A1 (es) Aparato de filtracion.
AU1459195A (en) Downhole motor for a drilling apparatus
AU4976396A (en) Method for improved water well production
ATE113692T1 (de) Unterwasser-bohrlochkopf.
SE7901016L (sv) Fortrengningspump av rotationstyp, speciellt kugghjulspump
MY120206A (en) Oil pump rotor
GR3035987T3 (en) Regenerative pump
AU2564397A (en) Seal/bearing apparatus
GB2304159A (en) Seal/bearing assembly
GB190914233A (en) Improvements in Rotary Apparatus for Pumping or Propelling Liquids and Gases.
CN2443767Y (zh) 一种液槽密封式层流罩
GR1003815B (el) Διπλη και μονη αντλια νερου θαλασσης κινητηριο δυναμη εχει την ανωση και πτωση του κυματος
CN217440350U (zh) 一种具有转子密封结构的水泵
CN1135383C (zh) 金电极的制作方法
JPS52138704A (en) Fluid pump
RU2004851C1 (ru) Центробежный насос
RU98105120A (ru) Устройство герметизации устья скважины
SU727931A1 (ru) Способ повышени надежности и долговечности торцового уплотнени дл гор чих сред
ES276725U (es) Rotor para la produccion de energia de la corriente de un medio gaseiforme o liquido
GB1428924A (en) Submersible pump
JPS5797956A (en) Ring gear fitting apparatus

Legal Events

Date Code Title Description
FC2A Withdrawal, rejection or dismissal of laid open patent application