WO2005003577A1 - Axialgleitlager - Google Patents
Axialgleitlager Download PDFInfo
- Publication number
- WO2005003577A1 WO2005003577A1 PCT/EP2003/007207 EP0307207W WO2005003577A1 WO 2005003577 A1 WO2005003577 A1 WO 2005003577A1 EP 0307207 W EP0307207 W EP 0307207W WO 2005003577 A1 WO2005003577 A1 WO 2005003577A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- bearing
- lubricating oil
- axial
- wedge
- lubricating
- Prior art date
Links
- 239000010687 lubricating oil Substances 0.000 claims abstract description 29
- 230000001050 lubricating effect Effects 0.000 claims abstract description 11
- 238000005461 lubrication Methods 0.000 abstract description 21
- 239000003921 oil Substances 0.000 abstract description 14
- 238000007789 sealing Methods 0.000 abstract description 12
- 230000002269 spontaneous effect Effects 0.000 abstract description 7
- 230000000694 effects Effects 0.000 description 4
- 238000001816 cooling Methods 0.000 description 3
- 239000000314 lubricant Substances 0.000 description 3
- 239000002245 particle Substances 0.000 description 3
- 230000000254 damaging effect Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
Classifications
-
- 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
- F16C17/04—Sliding-contact bearings for exclusively rotary movement for axial load only
-
- 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
- F16C33/1065—Grooves on a bearing surface for distributing or collecting the liquid
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
- F01D25/00—Component parts, details, or accessories, not provided for in, or of interest apart from, other groups
- F01D25/16—Arrangement of bearings; Supporting or mounting bearings in casings
- F01D25/166—Sliding contact bearing
- F01D25/168—Sliding contact bearing for axial load mainly
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02C—GAS-TURBINE PLANTS; AIR INTAKES FOR JET-PROPULSION PLANTS; CONTROLLING FUEL SUPPLY IN AIR-BREATHING JET-PROPULSION PLANTS
- F02C6/00—Plural gas-turbine plants; Combinations of gas-turbine plants with other apparatus; Adaptations of gas-turbine plants for special use
- F02C6/04—Gas-turbine plants providing heated or pressurised working fluid for other apparatus, e.g. without mechanical power output
- F02C6/10—Gas-turbine plants providing heated or pressurised working fluid for other apparatus, e.g. without mechanical power output supplying working fluid to a user, e.g. a chemical process, which returns working fluid to a turbine of the plant
- F02C6/12—Turbochargers, i.e. plants for augmenting mechanical power output of internal-combustion piston engines by increase of charge 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
- F16C17/00—Sliding-contact bearings for exclusively rotary movement
- F16C17/04—Sliding-contact bearings for exclusively rotary movement for axial load only
- F16C17/047—Sliding-contact bearings for exclusively rotary movement for axial load only with fixed wedges to generate hydrodynamic 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
- F16C33/02—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
- F16C33/1075—Wedges, e.g. ramps or lobes, 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
- F16C2360/00—Engines or pumps
- F16C2360/23—Gas turbine engines
- F16C2360/24—Turbochargers
Definitions
- the invention relates to an axial plain bearing for supporting the rotating shaft of an exhaust gas turbocharger connected to a lubricating oil circuit.
- hydrodynamic axial plain bearings that is, plain bearings of rotating shafts for absorbing axial forces and for guiding in the axial direction, are used.
- such an axial plain bearing is known from EP 0 840 027 A2, which consists of a bearing body fixedly connected to a bearing housing, a bearing comb rotating with the shaft, and at least one lubricating gap provided between the bearing body and the bearing comb, which has a profiled annular surface and a flat surface Sliding surface is formed and is connected to an oil supply.
- a wave shoulder i.e. the bearing crest seated on the shaft therefore runs at least indirectly against an end face of the fixed bearing housing.
- the circular ring surface has several radially arranged lubricating oil grooves.
- a converging lubricating gap which is advantageous for hydrodynamic pressure development is achieved in such axial sliding bearings by incorporating wedge surfaces oriented in the circumferential direction, such that sets the smallest lubrication gap height in the area of the next lubricating oil groove.
- an adjacent locking surface is provided on all wedge surfaces, via which a lubrication gap exit extends.
- Compliant surfaces are characteristic of hydrodynamic lubrication.
- a contact pressure develops in the lubricating film if there is a narrowing lubricating gap, a viscous lubricant is used and a sliding movement takes place in the direction of the narrowing gap. If enough lubricant is drawn into the converging lubrication gap, the surfaces are completely separated by the lubricant, which is crucial for freedom from wear and thus for safe operation.
- a rigid axial bearing that has already been tested by the applicant comprises fixed-segment bearings with lubrication grooves, which are each delimited from the outside by a sealing web; Each sealing web has a dirt and cooling groove penetrating it and leading radially outwards.
- These bearings have a good load-bearing capacity, but due to the high shear rate, high friction losses and a certain tendency to so-called “spontaneous failure" (see below).
- the mechanism of spontaneous failure is as follows:
- the minimum lubrication gap height corresponds to the gap height at the sealing web.
- a high axial force requires the (hydrodynamic) build-up of larger pressure forces, larger pressure forces require smaller lubrication gap thicknesses, smaller lubrication gap thicknesses or a smaller gap height at the sealing web reduce the oil volume flow.
- a reduced oil volume flow leads to less cooling and a higher average oil temperature, a higher average oil temperature leads to a sharp drop in the oil viscosity and a sharp drop in the oil viscosity in turn prevents the build-up of hydrodynamic pressure forces. This effect dominates over the effect of higher pressure forces due to the smaller lubrication gap thickness.
- spontaneous failure i.e. sudden collapse of the hydrodynamic pressure forces and mechanical contact of the sliding surfaces.
- the object of the present invention is to develop an axial plain bearing of the type mentioned at the outset in such a way that the disadvantages mentioned (wear due to particles, high lubricating oil throughput, tendency to spontaneous failure, high bearing losses) can be ruled out, in particular to demonstrate an axial plain bearing in which there is a sufficient oil volume flow with sufficient pressure build-up in the lubrication gap is guaranteed and therefore an external sealing web of the profiled bearing surface can be dispensed with.
- the hydrodynamic pressure build-up is caused by a shear rate in the lubricating oil in connection with a converging lubrication gap in the direction of the shear rate.
- the shear rate in the lubricating oil is made up of a circumferential component (due to relative rotation) and a radial component (due to continuity).
- the radial component of the shear rate can be used to build up an additional hydrodynamic pressure force. The result is an increased lubrication gap thickness and thus a reduction in wear.
- Radially oriented wedge surfaces can be combined both in the embodiment of a so-called rigid axial bearing (relative angular velocity of the sliding surfaces corresponds to the angular velocity of the shaft) and in the embodiment with a freely floating disc between the two sliding surfaces. That is, the bearing surface profiled according to the invention is embodied on a floating disc, which is arranged, for example, indirectly or directly between a bearing crest on the rotating shaft and a sliding surface on the fixed bearing housing.
- the freely floating disk can have a bearing surface profiling according to the invention on both sides, in particular a two-dimensional one
- FIG. 2 shows three cross sections through the annular bearing surface of FIG. 1 in the radial direction from the inside to the outside along the lines A-A, B-B and C-C in FIG. 1.
- the exhaust gas turbocharger is essentially composed of the three housing parts of the turbine, bearing and compressor housing.
- a shaft is rotatably mounted in the bearing housing in hydraulic radial bearings and in axial plain bearings, which are each supplied with lubricating oil.
- An axial slide bearing part has a bearing surface 3 in the form of a profiled annular surface which has a plurality of lubricating oil grooves 2 which are distributed at regular intervals over the circumference of the annular surface and run radially in it.
- a wedge surface 1 and an adjoining flat latching surface 5 are each formed between the adjacent lubricating oil grooves.
- the lubricating oil grooves 2 are open on the inner circumference and thus allow the supply of lubricating oil from the lubricating oil circuit of the exhaust gas turbocharger.
- the lubricating oil grooves 2 are also open, but each is narrowed by a channel 4.
- the wedge surfaces 1 each have a convergent orientation both in the circumferential direction of the profiled annular surface 3 and in its radial direction from the inside to the outside to form a lubricating gap which narrows in these two directions.
- the convergent orientation of the wedge surfaces 1 in the circumferential direction is known, for example, from EP 0 840 027 A2, the additional convergent orientation of these wedge surfaces 1 in the radial direction is illustrated in the present FIG. 2.
- the cross section AA in the area of the inner circumference of the annular surface 3 near the shaft shows a comparatively large lubricating gap thickness (wedge depth) above the wedge surface, which is reduced from section BB to section CC in the direction of the outer circumference of the annular surface 3 to the level of the latching surfaces 5, that is to say the Wedge surface 1 is convergingly oriented from the inner circumference to the outer circumference of the circular ring surface.
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Sliding-Contact Bearings (AREA)
- Supercharger (AREA)
Abstract
Description
Claims
Priority Applications (8)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/EP2003/007207 WO2005003577A1 (de) | 2003-07-05 | 2003-07-05 | Axialgleitlager |
DE50305448T DE50305448D1 (de) | 2003-07-05 | 2003-07-05 | Axialgleitlager |
US10/563,516 US7470064B2 (en) | 2003-07-05 | 2003-07-05 | Axial thrust bearing |
DE20317497U DE20317497U1 (de) | 2003-07-05 | 2003-07-05 | Axialgleitlager |
KR1020067000030A KR101027459B1 (ko) | 2003-07-05 | 2003-07-05 | 축방향 마찰 베어링 |
EP03740422A EP1644647B1 (de) | 2003-07-05 | 2003-07-05 | Axialgleitlager |
CNB038267497A CN100402874C (zh) | 2003-07-05 | 2003-07-05 | 推力滑动轴承 |
JP2005503312A JP2007506906A (ja) | 2003-07-05 | 2003-07-05 | スラスト滑り軸受 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/EP2003/007207 WO2005003577A1 (de) | 2003-07-05 | 2003-07-05 | Axialgleitlager |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2005003577A1 true WO2005003577A1 (de) | 2005-01-13 |
Family
ID=33560729
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP2003/007207 WO2005003577A1 (de) | 2003-07-05 | 2003-07-05 | Axialgleitlager |
Country Status (7)
Country | Link |
---|---|
US (1) | US7470064B2 (de) |
EP (1) | EP1644647B1 (de) |
JP (1) | JP2007506906A (de) |
KR (1) | KR101027459B1 (de) |
CN (1) | CN100402874C (de) |
DE (2) | DE20317497U1 (de) |
WO (1) | WO2005003577A1 (de) |
Cited By (8)
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CN101560890B (zh) * | 2007-10-04 | 2013-09-11 | 斯奈克玛 | 涡轮喷气发动机中间箱 |
EP2656839A1 (de) | 2007-04-12 | 2013-10-30 | Waratah Pharmaceuticals, Inc. | Verwendung von Cyclohexanehexolderivaten zur Behandlung von Augenerkrankungen |
CN104454980A (zh) * | 2014-10-22 | 2015-03-25 | 张永斌 | 新型节能向心滑动轴承 |
EP2703664A4 (de) * | 2011-04-27 | 2015-08-19 | Ihi Corp | Drucklagerstruktur und mit dieser drucklagerstruktur ausgestatteter superlader |
WO2017029353A1 (en) | 2015-08-20 | 2017-02-23 | Transition Therapeutics Ireland Limited | Treatment of behaviors in dementia patients |
WO2020038655A1 (de) * | 2018-08-21 | 2020-02-27 | Zf Friedrichshafen Ag | Anlaufelement für ein hydrodynamisches axiallager und hydrodynamisches axiallager |
US10704593B2 (en) | 2016-09-29 | 2020-07-07 | Ihi Corporation | Bearing structure and turbocharger |
EP4047227A1 (de) | 2021-02-19 | 2022-08-24 | Flender GmbH | Wellenanordnung, getriebe, industrie-applikation und computerprogrammprodukt |
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EP1619356B1 (de) * | 2004-07-23 | 2016-03-16 | BorgWarner, Inc. | Axiallager für einen Turbolader |
DE102006016019B4 (de) * | 2006-04-05 | 2017-03-02 | Audi Ag | Verfahren zur Herstellung einer Axiallagerschmiervorrichtung |
JP4554583B2 (ja) * | 2006-10-05 | 2010-09-29 | 株式会社日立製作所 | スラスト軸受装置 |
DE102007019338A1 (de) * | 2007-04-24 | 2008-11-06 | Continental Automotive Gmbh | Axiallager insbesondere für einen Turbolader |
EP2042753A1 (de) | 2007-09-26 | 2009-04-01 | ABB Turbo Systems AG | Hydrodynamisches Axiallager |
DE102007055225A1 (de) * | 2007-11-19 | 2009-05-20 | Bosch Mahle Turbo Systems Gmbh & Co. Kg | Ladeeinrichtung |
JP5233370B2 (ja) * | 2008-04-02 | 2013-07-10 | オイレス工業株式会社 | スラスト滑り軸受 |
JP5159447B2 (ja) * | 2008-06-10 | 2013-03-06 | 株式会社日立製作所 | 横軸型回転機 |
DE102008045229B4 (de) * | 2008-08-30 | 2019-09-05 | BMTS Technology GmbH & Co. KG | Axiallager |
DE102009005438A1 (de) | 2009-01-21 | 2010-07-22 | Daimler Ag | Axiallager, Abgasturbolader mit einem Axiallager und Verfahren zur Herstellung eines Axiallagers |
DE102010023474A1 (de) | 2010-06-11 | 2011-12-15 | Daimler Ag | Axiallager, Abgasturbolader mit einem Axiallager und Verfahren zur Herstellung eines Axiallagers |
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DE102011085681A1 (de) | 2011-11-03 | 2013-05-08 | Abb Turbo Systems Ag | Hydrodynamisches Axiallager |
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US9476452B2 (en) * | 2013-02-21 | 2016-10-25 | Ford Global Technologies, Llc | Transmission thrust washer with circulation circuit |
CN103410955A (zh) * | 2013-04-25 | 2013-11-27 | 中信重工机械股份有限公司 | 一种破碎机齿轮静压支承机构 |
CN105324139B (zh) * | 2013-05-23 | 2018-01-26 | 纯净之心有限公司 | 离心泵装置的叶轮 |
US9574606B2 (en) * | 2013-08-07 | 2017-02-21 | Trane International Inc. | Thrust bearing for HVAC compressor |
CN103912577A (zh) * | 2013-12-30 | 2014-07-09 | 常州环能涡轮动力股份有限公司 | 分体式涡轮增压器止推轴承 |
JP6459247B2 (ja) * | 2014-06-30 | 2019-01-30 | 株式会社Ihi | スラスト軸受、および、過給機 |
DE102014213330A1 (de) * | 2014-07-09 | 2016-01-14 | Bosch Mahle Turbo Systems Gmbh & Co. Kg | Ladeeinrichtung |
DE102014222514A1 (de) * | 2014-07-10 | 2016-01-14 | Bosch Mahle Turbo Systems Gmbh & Co. Kg | Axiallager |
DE102014213466A1 (de) * | 2014-07-10 | 2016-01-14 | Bosch Mahle Turbo Systems Gmbh & Co. Kg | Axiallager oder kombiniertes Axial-/Radiallager |
US9382877B2 (en) * | 2014-10-22 | 2016-07-05 | GM Global Technology Operations LLC | Turbocharger thrust bearing debris trap |
JP6476910B2 (ja) * | 2015-01-23 | 2019-03-06 | 株式会社ジェイテクト | 静圧流体軸受装置、静圧流体軸受装置を用いた工作機械用主軸装置及び静圧流体軸受装置の製造方法 |
US9822817B2 (en) | 2015-04-28 | 2017-11-21 | Rolls-Royce Corporation | High speed bearing assembly |
DE102015016065A1 (de) * | 2015-12-09 | 2017-06-14 | Renk Aktiengesellschaft | Antriebsvorrichtung für einen Doppelschneckenextruder |
DE102016208907A1 (de) * | 2016-05-23 | 2017-11-23 | Volkswagen Aktiengesellschaft | Bogenförmige Anlaufscheibe für ein Zylinderkurbelgehäuse einer Hubkolben-Brennkraftmaschine |
US10145411B2 (en) * | 2016-09-01 | 2018-12-04 | Freudenberg-Nok General Partnership | Thrust washers with hydrodynamic features |
US20180087518A1 (en) * | 2016-09-24 | 2018-03-29 | Borgwarner Inc. | Turbocharger thrust bearing and manufacturing method |
CN106438706A (zh) * | 2016-11-09 | 2017-02-22 | 哈尔滨电机厂有限责任公司 | 大型水润滑推力轴承三段面瓦面 |
WO2018120130A1 (zh) * | 2016-12-30 | 2018-07-05 | 深圳智慧能源技术有限公司 | 滑动轴承 |
CN106499723A (zh) * | 2016-12-30 | 2017-03-15 | 深圳智慧能源技术有限公司 | 滑动轴承 |
JP2019108923A (ja) * | 2017-12-18 | 2019-07-04 | トヨタ自動車株式会社 | スラスト軸受及び軸受装置 |
DE102018201963A1 (de) | 2018-02-08 | 2019-08-08 | BMTS Technology GmbH & Co. KG | Keilloses, rotationssymmetrisches Axiallager |
DE102018204162A1 (de) * | 2018-03-19 | 2019-09-19 | Turbo Energy Germany Gmbh | Lagerbuchse für eine Welle eines Turboladers |
CA3057920A1 (en) | 2019-01-15 | 2020-07-15 | Rolls-Royce Corporation | Bearing for use in high speed application |
US10544834B1 (en) | 2019-01-17 | 2020-01-28 | Rolls-Royce North American Technologies Inc. | Bearing for use in high speed application |
US10774876B1 (en) | 2019-04-25 | 2020-09-15 | Freudenberg-Nok General Partnership | Hydrodynamic thrust washers with pumping features for sparse lubrication applications |
CN110131305B (zh) * | 2019-06-03 | 2024-04-19 | 无锡康明斯涡轮增压技术有限公司 | 涡轮增压器止推轴承装置 |
US11353057B2 (en) | 2019-12-03 | 2022-06-07 | Elliott Company | Journal and thrust gas bearing |
WO2022107524A1 (ja) | 2020-11-17 | 2022-05-27 | 株式会社Ihi | 軸受および過給機 |
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GB716522A (en) * | 1953-04-30 | 1954-10-06 | Glacier Co Ltd | Improvements in or relating to plain bearings |
US4348065A (en) * | 1979-07-13 | 1982-09-07 | Hitachi, Ltd. | Thrust bearing |
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JPS6018614A (ja) * | 1984-05-31 | 1985-01-30 | Taiho Kogyo Co Ltd | テ−パ−ドランドスラスト軸受 |
EP0840027A2 (de) * | 1996-10-11 | 1998-05-06 | Asea Brown Boveri AG | Axialgleitlager |
DE19826460A1 (de) * | 1998-06-13 | 1999-12-23 | Man B & W Diesel As | Lageranordnung |
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US2899243A (en) * | 1959-08-11 | Autolubricated gas thrust bearing | ||
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US5829338A (en) * | 1997-03-03 | 1998-11-03 | Fmc Corporation | Pump having unidirectional tapered land thrust bearing cluster |
KR100310444B1 (ko) * | 1999-06-25 | 2001-09-29 | 이충전 | 밀폐형 왕복동 압축기의 주축베어링 윤활장치 |
JP2003148456A (ja) * | 2001-11-14 | 2003-05-21 | Mitsubishi Heavy Ind Ltd | スラスト軸受 |
-
2003
- 2003-07-05 CN CNB038267497A patent/CN100402874C/zh not_active Expired - Fee Related
- 2003-07-05 EP EP03740422A patent/EP1644647B1/de not_active Expired - Lifetime
- 2003-07-05 DE DE20317497U patent/DE20317497U1/de not_active Expired - Lifetime
- 2003-07-05 WO PCT/EP2003/007207 patent/WO2005003577A1/de active IP Right Grant
- 2003-07-05 US US10/563,516 patent/US7470064B2/en not_active Expired - Fee Related
- 2003-07-05 KR KR1020067000030A patent/KR101027459B1/ko active IP Right Grant
- 2003-07-05 DE DE50305448T patent/DE50305448D1/de not_active Expired - Fee Related
- 2003-07-05 JP JP2005503312A patent/JP2007506906A/ja active Pending
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
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GB716522A (en) * | 1953-04-30 | 1954-10-06 | Glacier Co Ltd | Improvements in or relating to plain bearings |
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Also Published As
Publication number | Publication date |
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EP1644647B1 (de) | 2006-10-18 |
CN1802515A (zh) | 2006-07-12 |
KR20060039894A (ko) | 2006-05-09 |
DE50305448D1 (de) | 2006-11-30 |
CN100402874C (zh) | 2008-07-16 |
US7470064B2 (en) | 2008-12-30 |
DE20317497U1 (de) | 2004-03-11 |
JP2007506906A (ja) | 2007-03-22 |
US20060165325A1 (en) | 2006-07-27 |
EP1644647A1 (de) | 2006-04-12 |
KR101027459B1 (ko) | 2011-04-06 |
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