CN1555461A - 电子辅助式涡轮增压器的转子和轴承系统 - Google Patents
电子辅助式涡轮增压器的转子和轴承系统 Download PDFInfo
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
- F02B33/00—Engines characterised by provision of pumps for charging or scavenging
- F02B33/44—Passages conducting the charge from the pump to the engine inlet, e.g. reservoirs
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- 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
- F04D29/05—Shafts or bearings, or assemblies thereof, specially adapted for elastic fluid pumps
- F04D29/051—Axial thrust balancing
- F04D29/0513—Axial thrust balancing hydrostatic; hydrodynamic thrust bearings
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- 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
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
- F02B37/00—Engines characterised by provision of pumps driven at least for part of the time by exhaust
- F02B37/04—Engines with exhaust drive and other drive of pumps, e.g. with exhaust-driven pump and mechanically-driven second pump
- F02B37/10—Engines with exhaust drive and other drive of pumps, e.g. with exhaust-driven pump and mechanically-driven second pump at least one pump being alternatively or simultaneously driven by exhaust and other drive, e.g. by pressurised fluid from a reservoir or an engine-driven pump
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
- F02B39/00—Component parts, details, or accessories relating to, driven charging or scavenging pumps, not provided for in groups F02B33/00 - F02B37/00
- F02B39/02—Drives of pumps; Varying pump drive gear ratio
- F02B39/08—Non-mechanical drives, e.g. fluid drives having variable gear ratio
- F02B39/10—Non-mechanical drives, e.g. fluid drives having variable gear ratio electric
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- 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
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D25/00—Pumping installations or systems
- F04D25/02—Units comprising pumps and their driving means
- F04D25/024—Units comprising pumps and their driving means the driving means being assisted by a power recovery turbine
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D25/00—Pumping installations or systems
- F04D25/02—Units comprising pumps and their driving means
- F04D25/06—Units comprising pumps and their driving means the pump being electrically driven
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- 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
- F04D29/05—Shafts or bearings, or assemblies thereof, specially adapted for elastic fluid pumps
- F04D29/056—Bearings
- F04D29/057—Bearings hydrostatic; hydrodynamic
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- 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
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
- F05D2220/00—Application
- F05D2220/40—Application in turbochargers
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
- F05D2240/00—Components
- F05D2240/50—Bearings
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
- F05D2240/00—Components
- F05D2240/50—Bearings
- F05D2240/52—Axial thrust bearings
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
- F05D2240/00—Components
- F05D2240/50—Bearings
- F05D2240/53—Hydrodynamic or hydrostatic bearings
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- 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
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- 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/12—Improving ICE efficiencies
Abstract
一种具有辅助转子旋转的电机(82,84)的涡轮增压器(10)应用了一个轴,该轴上装有涡轮(32)和压缩机叶轮,同时单一销接半浮动轴承(56)支承着轴(48),且隔离轴衬(70)支承着电机磁体(84)。该单体轴承具有与涡轮(32)的轮毂(38)和隔离轴衬(70)接合的完整止推面(86,88)。安装在隔离轴衬中的轴直径减小部分允许隔离轴衬与较大直径的轴承凸缘(52)接合,从而可以用穿过叶轮中的孔的轴上的螺母(80)来安装压缩机叶轮,以使叶轮、隔离轴衬和轴的轴承凸缘紧紧地接合,固定转子的长度。带有完整止推面(86,88)的销接半浮动轴承(56)为电机运行产生的负弹簧力和电机产生的额外转子长度提供了增加的反作用力矩。
Description
技术领域
本发明通常涉及电子辅助式涡轮增压器领域,尤其涉及一种改进的具有单体轴承组件的转动组合。
背景技术
作为提高发动机动力输出和效率的有效装置,利用涡轮增压器来提高内燃机中的增压空气已得到证实。利用发动机废气中的其它废能来驱动涡轮增压器有助于对其作为增压装置的效率的改进。然而,在发动机发出用于加速的动力时,依靠废气会带来众所周知的“涡轮延迟”(turbolag)效应。涡轮增压器提供的增压依赖于废气能量。因此,根据瞬时功率的要求,首先为供给发动机的冲量添加燃料,同时废能慢慢增加,从而使供给涡轮增压器的涡轮的能量增加。该涡轮转而又通过内联轴驱动压缩机,从而由该涡轮增压器按仿真(boot strapping)效果来增加增压压力。
通过向涡轮增压器添装电机,能不依赖于实际废能向旋转转子组合增加能量,因此涡轮延迟效应能被减小或消除。电机的添加使转子可以基本同时地旋转,以与燃料匹配并增压所希望的动力输出,同时当废能变得充足时,减少电力输入,以维持增压需要的水平。
添加的电机作为转子组合的一个整体部分增加了长度,并改变了动力学特征。为了保持涡轮增压器的有效运行,因此轴承系统和转子的变化是必要的。改进的浮动轴颈轴承系统提供了获得这种变化的一种方法,所述轴承系统公开在标题为“内燃机用电机辅助涡轮增压器的轴承系统”,并于1999年1月12日出版的US专利5857332中。然而,希望产生一种提高效率和强度的转子和轴承系统,以适应涡轮增压器中的辅助电机系统。
发明内容
包含本发明的转子和轴承系统的涡轮增压器包括装在涡轮壳体中收集内燃机废气的涡轮。涡轮通过惰性气体保护焊或类似方法连接到轴上,并包括轮毂部分,该轮毂部分包括与涡轮增压器中间壳体接合的活塞密封。压缩机叶轮在远离涡轮的另一端安装到轴上,并安置在压缩机壳体内,所述叶轮收集进入的空气并包括扩压器和涡壳,以将压缩机的增压空气输送到发动机吸气系统。邻近涡轮轮毂的轴的轴承部分包括两个由直径变小部分分隔开的轴承凸缘。该凸缘与装在中间壳体轴承孔中的销接半浮动单体轴承面接。单体轴承包括与涡轮轮毂接合的第一止推轴承面。隔离轴衬支承电机的永久磁体,该磁体被放置在由与涡轮轮毂相对的轴承部分延伸出的轴的隔离轴衬部分上,该单体轴承包括与隔离轴衬接合的第二止推面。隔离轴衬还包括与中间壳体接合的活塞密封。隔离轴衬与压缩机叶轮接合以保持转子固定的长度。
附图说明
根据以下附图和详细说明,会更清楚地理解本发明。
图1是在其转子和轴承布置中应用了本发明的涡轮增压器的侧剖图。
具体实施方式
参照附图,包含本发明的涡轮增压器10包括安装到中间壳体14上的涡轮壳体12。利用后挡板18将压缩机壳体16安装到中间壳体上,压缩机壳体包括电机壳体的第一部分和电机壳体铸件20。附图中,涡轮壳体通过螺栓22安装到中间壳体上,同时中间壳体通过螺栓24安装到电机壳体铸件上,电机壳体铸件通过螺栓26安装到后挡板上,后挡板通过螺栓28安装到压缩机壳体上。电机壳体的密封是通过O型环30完成的。包含本发明的涡轮增压器的其它实施例使用了包括V型带夹的其它紧固装置。
涡轮增压器的转子具有装在涡轮壳体中的涡轮32。废气通过涡壳34进入涡轮壳体流过涡轮叶片并通过出口36排出。涡轮包括轮毂部分38,该部分包括槽40,以便卡住活塞环42。活塞环与中间壳体通孔上的凸缘44接合,从而提供密封防止润滑油流入涡轮壳体和排气系统。在图示的实施例中,隔热垫46嵌在涡轮壳体和中间壳体之间,用于加强热气流动力学控制。
利用惰性气体保护焊将转子轴48连接到涡轮轮毂。该轴包括具有凸缘52的轴承部分50,凸缘被直径减小部分(relieved section)54分开。单体轴承56装在中间壳体的轴承孔58中。轴承是半浮动的,在每一端具有轴颈60以及润滑和油膜减震部分62。中间轴肩64包括孔66,用来容纳限制轴承转动的销68。
在邻近轴承部分并与涡轮相对处,轴径是减小的,以便安装隔离轴衬70。该轴衬包括装有活塞环74的槽72,以与中间壳体的中心孔接合,从而使压缩机部分与润滑油隔离。在图示的实施例中,在隔离轴衬70上加工出甩油杯76。压缩机轮压靠在该隔离轴衬上。在图示实施例中,压缩机轮利用通孔78和螺母80安装到轴上。通过拧紧压缩机轮上的螺母,使其与隔离轴衬紧密接合,隔离轴衬又与所述轴轴承部分上的相邻较大直径轴颈接合,从而控制转子在空间上的容许偏差。电子辅助涡轮增压器的电机包括装在电机壳体中的线绕定子82和安装在隔离轴衬上的永久磁体84。压缩机轮、隔离轴衬和轴的轴承凸缘的摩擦接合固定了涡轮增压器的全部转动组合,使电机的运行可以转动转子而不需额外地将隔离轴衬和磁体安装到轴上。
单体轴承包括与涡轮轮毂接合的第一止推面86和与隔离轴衬接合的第二止推面88。本发明的轴承布置适应电机所需的额外转子长度。此外,带有完整止推面的销接半浮动轴承组合为电机运行期间磁体和定子产生的负弹簧力提供了反作用力矩。止推面和销接单体轴承的反作用力矩的单独效果是互补的,提供了比每个反作用力单独作用效果更强的性能。
现在已经如专利法所要求的详细地描述了本发明,本领域技术人员将能认识到对本文所公开的具体实施例的改进和替换。这种改进落在本
发明的范围和目的中。
Claims (3)
1.一种内燃机涡轮增压器的转子和轴承,包括:
涡轮,该涡轮装在涡轮壳体中收集内燃机的废气,并包括轮毂部分,该轮毂部分连接到穿过中间壳体的轴上;
压缩机叶轮,该叶轮连接到与涡轮相对的轴上,并安置在压缩机壳体内;
邻近涡轮轮毂的轴的轴承部分,该轴承部分包括两个由直径变小部分分隔开的轴承凸缘,该凸缘容纳在装在中间壳体轴承孔中的销接半浮动单体轴承中,该单体轴承包括与涡轮轮毂接合的第一止推轴承面;
电机的永久磁体,该磁体由隔离轴衬支承,该轴衬支承容纳在由与涡轮轮毂相对的轴承部分延伸出的轴的隔离轴衬部分上,该单体轴承还包括与隔离轴衬接合的第二止推面。
2.如权利要求1所述的转子和轴承,其中涡轮轮毂包括与中间壳体的中心孔接合的活塞密封,且隔离轴衬包括与中心孔接合的活塞密封。
3.如权利要求1所述的转子和轴承,其中在隔离轴衬部分的轴径是减小的,隔离轴衬还与压缩机叶轮和轴上的轴承凸缘接合,以保持转子的长度固定。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
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US09/659,990 US6449950B1 (en) | 2000-09-12 | 2000-09-12 | Rotor and bearing system for electrically assisted turbocharger |
US09/659,990 | 2000-09-12 |
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US (1) | US6449950B1 (zh) |
EP (1) | EP1317628B1 (zh) |
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KR (1) | KR20030029992A (zh) |
CN (1) | CN1555461A (zh) |
AT (1) | ATE336662T1 (zh) |
AU (1) | AU2001290705A1 (zh) |
BR (1) | BR0113843A (zh) |
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Cited By (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1928334B (zh) * | 2005-09-09 | 2010-09-08 | 丰田自动车株式会社 | 涡轮增压器 |
CN101460723B (zh) * | 2006-06-02 | 2010-12-15 | 株式会社Ihi | 电动增压器 |
CN101213354B (zh) * | 2005-06-30 | 2012-05-30 | 霍尼韦尔国际公司 | 涡轮增压器轴承和相关部件 |
CN103348113A (zh) * | 2010-11-12 | 2013-10-09 | 三菱重工业株式会社 | 电动增压器的旋转轴支承构造 |
CN101842603B (zh) * | 2007-10-31 | 2013-11-20 | 霍尼韦尔国际公司 | 用于涡轮增压器的各向异性轴承支撑件 |
CN101395358B (zh) * | 2006-03-14 | 2013-11-20 | 博格华纳公司 | 涡轮增压器 |
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CN105637196A (zh) * | 2013-10-25 | 2016-06-01 | 艾克莫特公司 | 电控涡轮机的转子的保持 |
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- 2001-09-10 CZ CZ20031026A patent/CZ20031026A3/cs unknown
- 2001-09-10 DE DE60122348T patent/DE60122348T2/de not_active Expired - Lifetime
- 2001-09-10 KR KR10-2003-7003663A patent/KR20030029992A/ko not_active Application Discontinuation
- 2001-09-10 EP EP01970727A patent/EP1317628B1/en not_active Expired - Lifetime
- 2001-09-10 HU HU0301033A patent/HUP0301033A2/hu unknown
- 2001-09-10 BR BRPI0113843-0A patent/BR0113843A/pt not_active Application Discontinuation
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CN107228092A (zh) * | 2016-03-25 | 2017-10-03 | 霍尼韦尔国际公司 | 涡轮增压器压缩机叶轮组件 |
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CN108019273B (zh) * | 2016-11-04 | 2021-07-30 | 福特环球技术公司 | 具有压缩机的增压式内燃发动机 |
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CN110273751A (zh) * | 2018-03-15 | 2019-09-24 | 本田技研工业株式会社 | 凸缘的紧固结构 |
CN110273751B (zh) * | 2018-03-15 | 2021-03-30 | 本田技研工业株式会社 | 凸缘的紧固结构 |
Also Published As
Publication number | Publication date |
---|---|
DE60122348T2 (de) | 2007-08-16 |
ATE336662T1 (de) | 2006-09-15 |
MXPA03002130A (es) | 2004-01-26 |
CZ20031026A3 (cs) | 2003-08-13 |
BR0113843A (pt) | 2006-09-12 |
EP1317628B1 (en) | 2006-08-16 |
KR20030029992A (ko) | 2003-04-16 |
EP1317628A1 (en) | 2003-06-11 |
JP2004512453A (ja) | 2004-04-22 |
WO2002023047A1 (en) | 2002-03-21 |
US6449950B1 (en) | 2002-09-17 |
AU2001290705A1 (en) | 2002-03-26 |
HUP0301033A2 (hu) | 2005-11-28 |
DE60122348D1 (de) | 2006-09-28 |
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