EP1552160B1 - Einen spalt definierendes, auf einer welle anzuordnendes element - Google Patents

Einen spalt definierendes, auf einer welle anzuordnendes element Download PDF

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Publication number
EP1552160B1
EP1552160B1 EP03747936A EP03747936A EP1552160B1 EP 1552160 B1 EP1552160 B1 EP 1552160B1 EP 03747936 A EP03747936 A EP 03747936A EP 03747936 A EP03747936 A EP 03747936A EP 1552160 B1 EP1552160 B1 EP 1552160B1
Authority
EP
European Patent Office
Prior art keywords
ring
recess
bush
element according
gap
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 - Lifetime
Application number
EP03747936A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP1552160A1 (de
Inventor
Stephan Bross
Rüdiger KÖPP
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.)
KSB AG
Original Assignee
KSB AG
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 KSB AG filed Critical KSB AG
Publication of EP1552160A1 publication Critical patent/EP1552160A1/de
Application granted granted Critical
Publication of EP1552160B1 publication Critical patent/EP1552160B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • F04D29/60—Mounting; Assembling; Disassembling
    • F04D29/62—Mounting; Assembling; Disassembling of radial or helico-centrifugal pumps
    • F04D29/628—Mounting; Assembling; Disassembling of radial or helico-centrifugal pumps especially adapted for liquid 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
    • F04D29/04—Shafts or bearings, or assemblies thereof
    • F04D29/041—Axial thrust balancing
    • F04D29/0416—Axial thrust balancing balancing pistons
    • 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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T403/00—Joints and connections
    • Y10T403/10—Selectively engageable hub to shaft connection
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T403/00—Joints and connections
    • Y10T403/45—Flexibly connected rigid members
    • Y10T403/455—Elastomer interposed between radially spaced members
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T403/00—Joints and connections
    • Y10T403/45—Flexibly connected rigid members
    • Y10T403/455—Elastomer interposed between radially spaced members
    • Y10T403/458—Composite bushing with elastomeric component

Definitions

  • a shaft seal according to the U.S.-A-4,451,048 is designed for turbines with very high speeds.
  • the sealing ring used consists of a carbon material and has free axial end faces. In order to withstand the high temperatures that occur at these speeds, the sealing ring interacts with heat-conducting metallic counter-rings.
  • a generic element was already in the objects of the DE 100 38 586 A1 and the DE 100 62 204 A1 used. There it served as a relief piston in an axial thrust balancing device or as a sealing bushing in a shaft seal. Common to both applications was that a slotted elastic ring was used, which was slightly widened during operation of the turbomachine by the applied pressure, pressed against the housing inner wall and thus fixed. However, the invention does not aim solely at elements with slotted rings, it should also be applicable to closed rings. Regardless of the design results in wrestling of a soft, flowable material, the problem that they gradually by the pressure on them with its edge zone on one side gradually into the gap between the mounted on the shaft piston and the bush and the surrounding Housing bore to be pressed. This results in an increasing wear of the ring and the risk of a decrease in the sealing effect.
  • the object of the invention is to avoid the aforementioned wear and thus to extend the service life of the ring, including the element described above.
  • the ring consists of a soft, flowable material, that in the ring surrounding the rigid wall a recess is formed, which surrounds the free of the walls of the bush-like part end faces of the ring, wherein one of the lateral Limits of the recess is formed by a detachably connected to the rigid wall tubular member.
  • the ring is enclosed on all sides, so there is no gap left in which the ring could escape.
  • a limiting ring detachably connected to this part is arranged in the wall of the recess of the piston or the bush opposite the tubular part.
  • a Mount longitudinally split split ring can be in this way an elastic, by a Mount longitudinally split split ring. This can, however, with less effort for the shaft-side socket-like part, also expanded and pushed over one of the lateral walls of the bush-like part.
  • a particular advantage of the invention is that the entire element including the enclosing wall, which in this case is likewise formed by a bushing, can be combined from separately produced parts outside the turbomachine into a ready-to-mount cartridge.
  • the invention is to be used especially for an axial thrust balancing device or a shaft seal with advantage.
  • Fig. 1 and 2 shown cartridges serve as a discharge piston in Axialschubaus Diseases Pains Roaden.
  • a - not shown - centrifugal pump housing rotatably and immovably to be arranged bushing 1.
  • the remaining parts of the elements are respectively inserted into the socket 1.
  • On the - not shown - shaft of the centrifugal pump is another sleeve-like element to arrange a piston 2 and 3 respectively.
  • the piston 2 in the execution of Fig. 1 has a recess 4, in which a piston ring 5 is inserted.
  • the piston ring 5 is made of elastic material and is separated by a - not shown - axially extending slot. The elasticity and the separation make it possible for the piston ring 5 over the Slide side wall 6 of the piston and let snap into the recess 4.
  • a tubular retaining ring 7 is provided, which is inserted into the socket 1 after insertion of the piston 2 and the piston ring 5 and fastened by screws 8 to the bushing 1.
  • the retaining ring 7 has two effects: First, the cohesion of the cartridge is accomplished by him. Second, it prevents expansion of the piston ring 5 in the area between the piston 1 and sleeve 2, whereby a gradual wear in the range of a gap existing in the prior art design is avoided.
  • the piston 3 in the execution of Fig. 2 has a paragraph 9, on which a closed piston ring 10 is pushed.
  • a closed piston ring 10 is pushed.
  • the retaining ring 7 and the screws 8 correspond to the embodiment of Fig. 1 ,
  • a modification results when, instead of a ready-to-install cartridge mounted in the housing of the turbomachine bushing is used, which is only connected in the housing with the other parts of the element. Even with such, less advantageous appearing embodiment, the invention is nevertheless used.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
  • Sealing Devices (AREA)
  • Golf Clubs (AREA)
  • Pivots And Pivotal Connections (AREA)
  • Shafts, Cranks, Connecting Bars, And Related Bearings (AREA)
  • Surface Acoustic Wave Elements And Circuit Networks Thereof (AREA)
  • Sealing Using Fluids, Sealing Without Contact, And Removal Of Oil (AREA)
  • Die Bonding (AREA)
  • Turbine Rotor Nozzle Sealing (AREA)
  • Compressor (AREA)
  • Hydraulic Motors (AREA)
  • Details Of Reciprocating Pumps (AREA)
EP03747936A 2002-10-16 2003-08-28 Einen spalt definierendes, auf einer welle anzuordnendes element Expired - Lifetime EP1552160B1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE10248162 2002-10-16
DE10248162A DE10248162A1 (de) 2002-10-16 2002-10-16 Einen Spalt definierendes, auf einer Welle anzuordnendes Element
PCT/EP2003/009503 WO2004036053A1 (de) 2002-10-16 2003-08-28 Einen spalt definierendes, auf einer welle anzuordnendes element

Publications (2)

Publication Number Publication Date
EP1552160A1 EP1552160A1 (de) 2005-07-13
EP1552160B1 true EP1552160B1 (de) 2010-03-03

Family

ID=32049304

Family Applications (1)

Application Number Title Priority Date Filing Date
EP03747936A Expired - Lifetime EP1552160B1 (de) 2002-10-16 2003-08-28 Einen spalt definierendes, auf einer welle anzuordnendes element

Country Status (13)

Country Link
US (1) US7748923B2 (zh)
EP (1) EP1552160B1 (zh)
CN (1) CN100353073C (zh)
AT (1) ATE459807T1 (zh)
AU (1) AU2003267018B2 (zh)
BR (1) BR0314460B1 (zh)
CA (1) CA2498633C (zh)
DE (2) DE10248162A1 (zh)
ES (1) ES2339439T3 (zh)
PL (1) PL209193B1 (zh)
RU (1) RU2298696C2 (zh)
WO (1) WO2004036053A1 (zh)
ZA (1) ZA200501830B (zh)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101344033B (zh) * 2007-07-14 2010-12-15 湖南天雁机械有限责任公司 防漏气的涡轮增压器旁通阀的传动轴和轴套结构
US8398361B2 (en) 2008-09-10 2013-03-19 Pentair Pump Group, Inc. High-efficiency, multi-stage centrifugal pump and method of assembly
FR2949810B1 (fr) * 2009-09-04 2013-06-28 Turbomeca Dispositif de support d'un anneau de turbine, turbine avec un tel dispositif et turbomoteur avec une telle turbine
RU204236U1 (ru) * 2020-11-24 2021-05-17 Федеральное государственное бюджетное образовательное учреждение высшего образования "Уфимский государственный нефтяной технический университет" Гидравлическое разгрузочное устройство центробежного секционного многоступенчатого насоса

Family Cites Families (30)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1758712A (en) * 1924-09-13 1930-05-13 Fred C Morris Antirattling bushing
DE440816C (de) * 1924-12-23 1927-02-16 Albert Hirth Dr Ing Wellenkupplung
GB278305A (en) * 1926-09-28 1928-02-09 Dabeg Maschinenfabriks Ag Improvements in or relating to the packing of a machine part rotating relatively to a stationary part
US1991077A (en) * 1931-01-26 1935-02-12 Gen Motors Corp Seal or guard
US2528436A (en) * 1946-04-25 1950-10-31 Milton E Johnson Stuffing box and expansion joint
US2984726A (en) * 1959-01-26 1961-05-16 Illinois Tool Works Sealed push button control switch
US3331609A (en) * 1965-04-07 1967-07-18 Edwin W Plumb Rotary fluid seal
US3418001A (en) * 1967-11-01 1968-12-24 Minnesota Rubber Co Fluid seal
US3477385A (en) * 1968-01-19 1969-11-11 Dempster Ind Inc Centrifugal pump sealing system for viscous abrasive liquids
US3574347A (en) * 1968-03-07 1971-04-13 Southwestern Ind Inc Mechanical actuator having adjustable spring rate
US3866924A (en) * 1973-08-16 1975-02-18 United States Steel Corp Wiper and diaphragm seal device
GB1462274A (en) * 1974-04-23 1977-01-19 Takeuchi Hirokazu Bearings method of making a multiplicity of multiple-device semiconductor modules and articles so produced
US4007924A (en) * 1975-06-27 1977-02-15 Raoul Jorn Elastic support mount
JPS56138423A (en) * 1980-04-01 1981-10-29 Toyota Motor Corp Structure of bearing of turbosupercharger
DE3149156A1 (de) * 1981-12-11 1983-06-23 J.M. Voith Gmbh, 7920 Heidenheim Kupplung zum starren verbinden koaxialer bauteile und deren verwendung bei gelenkwellen
US4451048A (en) * 1982-09-28 1984-05-29 Pick Steve J High speed shaft seal
US4484753A (en) * 1983-01-31 1984-11-27 Nl Industries, Inc. Rotary shaft seal
FI70077C (fi) * 1984-11-06 1986-09-12 Safematic Ltd Oy Glidringstaetning
DE4128673C1 (zh) * 1991-08-29 1992-08-06 Ksb Aktiengesellschaft, 6710 Frankenthal, De
AU7697094A (en) * 1993-09-25 1995-04-10 Ksb Aktiengesellschaft Turbo-machine with reduced attrition
FI940630A (fi) * 1994-02-11 1995-08-12 Ahlstroem Oy Keskipakopumppu
US5961122A (en) * 1995-07-21 1999-10-05 Flowserve Management Company Split mechanical face seal and method of assembly thereof
KR0181091B1 (ko) * 1996-03-28 1999-04-15 배순훈 테이프 레코더의 핀치롤러 조립체
US5850670A (en) * 1996-12-05 1998-12-22 Boskovic; Borislav Adjustable leader pin bushing for plastic mold
US6557857B1 (en) * 1998-04-10 2003-05-06 Saint-Gobain Performance Plastics Company Radial lip seal
ES1044321Y (es) * 1999-08-03 2000-09-01 Mecanismos Aux Ind Conjunto conector electrico.
DE10038586A1 (de) * 2000-08-03 2002-02-14 Ksb Ag Axialschubausgleichseinrichtung
DE10062204A1 (de) * 2000-12-13 2002-07-11 Ksb Ag Wellenabdichtung
US6494458B2 (en) * 2000-12-19 2002-12-17 Karl E. Uth Rotary sealing assembly
US7150477B2 (en) * 2002-04-19 2006-12-19 S.D. Warren Company Rotary joints

Also Published As

Publication number Publication date
EP1552160A1 (de) 2005-07-13
CA2498633A1 (en) 2004-04-29
CA2498633C (en) 2009-01-13
AU2003267018A1 (en) 2004-05-04
ES2339439T3 (es) 2010-05-20
BR0314460A (pt) 2005-07-26
DE10248162A1 (de) 2004-04-29
RU2005115061A (ru) 2005-10-27
DE50312482D1 (de) 2010-04-15
RU2298696C2 (ru) 2007-05-10
US20050244091A1 (en) 2005-11-03
CN100353073C (zh) 2007-12-05
ATE459807T1 (de) 2010-03-15
AU2003267018B2 (en) 2007-04-19
US7748923B2 (en) 2010-07-06
CN1688819A (zh) 2005-10-26
PL375089A1 (en) 2005-11-14
WO2004036053A1 (de) 2004-04-29
ZA200501830B (en) 2006-04-26
PL209193B1 (pl) 2011-08-31
BR0314460B1 (pt) 2012-09-18

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