CN105658930B - 具有磁步进马达或伺服马达的轴向式压缩机 - Google Patents
具有磁步进马达或伺服马达的轴向式压缩机 Download PDFInfo
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- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D17/00—Radial-flow pumps, e.g. centrifugal pumps; Helico-centrifugal pumps
- F04D17/02—Radial-flow pumps, e.g. centrifugal pumps; Helico-centrifugal pumps having non-centrifugal stages, e.g. centripetal
- F04D17/025—Radial-flow pumps, e.g. centrifugal pumps; Helico-centrifugal pumps having non-centrifugal stages, e.g. centripetal comprising axial flow and radial flow stages
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- F01D5/00—Blades; Blade-carrying members; Heating, heat-insulating, cooling or antivibration means on the blades or the members
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- F02B33/00—Engines characterised by provision of pumps for charging or scavenging
- F02B33/32—Engines with pumps other than of reciprocating-piston type
- F02B33/34—Engines with pumps other than of reciprocating-piston type with rotary pumps
- F02B33/40—Engines with pumps other than of reciprocating-piston type with rotary pumps of non-positive-displacement type
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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
- 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
- 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
- F04D25/0606—Units comprising pumps and their driving means the pump being electrically driven the electric motor being specially adapted for integration in the pump
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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
- F04D29/053—Shafts
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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
- F04D29/26—Rotors specially for elastic fluids
- F04D29/32—Rotors specially for elastic fluids for axial flow pumps
- F04D29/321—Rotors specially for elastic fluids for axial flow pumps for axial flow compressors
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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
- F04D29/26—Rotors specially for elastic fluids
- F04D29/32—Rotors specially for elastic fluids for axial flow pumps
- F04D29/325—Rotors specially for elastic fluids for axial flow pumps for axial flow fans
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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
- F04D29/40—Casings; Connections of working fluid
- F04D29/42—Casings; Connections of working fluid for radial or helico-centrifugal pumps
- F04D29/4206—Casings; Connections of working fluid for radial or helico-centrifugal pumps especially adapted for elastic fluid pumps
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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
- F05D2240/60—Shafts
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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
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Abstract
轴向式压缩机(30)设置在压缩机叶轮(16)的上游,且可安装在涡轮增压器(10)的压缩机壳体(26)的进口管(32)中。轴向式压缩机(30)可增加约1.3的压力比。轴向式压缩机(30)可由马达(40)驱动,例如,磁步进马达、伺服马达和鼠笼式马达。轴向式压缩机可具有风扇(34),其中增压可由风扇(34)的转速控制,其依据使用状态可加速或者减速。磁步进马达(40)可驱动具有风扇叶轮(36)的风扇(34),该风扇叶轮具有与可通电线圈(42)相关联的磁体(44),该可通电线圈产生磁体(44)可跟随的旋转磁场。
Description
相关申请的交叉引用
本申请要求享有2013年10月24日提交的标题为“具有磁步进马达或伺服马达的轴向式压缩机”的美国临时申请61/894,955的优先权和所有权益。
发明领域
本发明涉及一种具有由马达驱动的轴向式压缩机的涡轮增压器。更具体地说,本发明涉及一种增加涡轮增压器的压缩机叶轮上游的压力比的轴向式压缩机。
背景技术
涡轮增压的优点包括增加功率输出、降低燃料消耗、减少污染物排放以及提高瞬态响应。发动机的涡轮增压不再主要从高功率性能角度来看,而是被视为一种鉴于较低二氧化碳(CO2)排放而减少燃料消耗和环境污染的方式。目前,涡轮增压的主要原因是使用排气能量来减少燃料消耗和排放。在涡轮增压发动机中,燃烧空气在被供应至发动机之前被预压缩。发动机吸取与自然吸气发动机等体积的空气-燃料混合物,但由于压力较高,且因此密度较高,更多的空气和燃料质量以受控方式被供应至燃烧室。因此,更多的燃料可以燃烧,使得发动机的功率输出相对于速度和工作容积积增加。
在排气涡轮增压中,通常被浪费的一些排气能量被用来驱动涡轮机。涡轮机包括安装在轴上且可旋转地由排气流驱动的涡轮机叶轮。涡轮增压器将此通常被浪费的排气能量中的一些返回至发动机中,这提高了发动机效率并节省了燃料。由涡轮机驱动的压缩机吸入过滤的环境空气,将其压缩然后将其供应至发动机。压缩机包括压缩机叶轮,其安装在相同的轴上,使得涡轮机叶轮的旋转导致压缩机叶轮的旋转。
涡轮增压器通常包括连接至发动机排气歧管的涡轮机壳体、连接至发动机进气歧管的压缩机壳体以及将涡轮机壳体和压缩机壳体联接在一起的中心轴承壳体。涡轮机壳体限定蜗壳,其包围涡轮机叶轮并且接收来自发动机的排气。涡轮机壳体中的涡轮机叶轮可旋转地由从排气歧管供应的排气的受控流入驱动。
本发明关注于处于压缩机级的空气流动、相对于压缩机叶轮的压力比以及控制升压。
发明内容
本发明涉及与排气涡轮增压器的压缩机部段串联的轴向式压缩机的放置。当被放置在压缩机壳体的空气进口中时,轴向式压缩机可增加压缩机叶轮上游的压力比,例如增加约1.3的压力比。压缩机叶轮然后将进一步压缩最初压缩的空气,从而压缩机提供高于正常压力,例如,高于无轴向式压缩机的涡轮增压器的压力的压缩空气。由此,随着更多空气供应至发动机的燃烧室中,包括涡轮增压器压缩机的系统与所添加的轴向式压缩机的压力组合增加可增加总压力,因此密度更高。由该系统提供的升压量直接由风扇转速控制,其中当发动机和涡轮增压器加速时可获得最大升压。在可能的失速状态下,风扇方向可反转,这导致压力比较低。
轴向式压缩机可容易地固定在涡轮增压器压缩机壳体的进口管中或将压缩机壳体进口连接至发动机空气感应系统的管中,且可与风扇叶轮相关联或集成至风扇叶轮中。需要最小惯量以操作轴向式压缩机。对于这种轴向式压缩机而言,没有轴或润滑剂需求。因此,可控推力和增加的压力比可使压缩机级的效率和操作最大化。
附图说明
结合附图考虑并参照以下详细说明,本发明的优点将容易理解并能更好地认识,其中:
图1是涡轮增压器的横截面视图,示出了轴向式压缩机的位置;
图2是轴向式压缩机的局部双截面剖视图;以及
图3示出了可导致风扇旋转的可通电线圈和磁体的示例。
具体实施方式
参照图1,涡轮增压器10包括涡轮机部段12、压缩机部段14以及中心轴承壳体22,该中心轴承壳体设置在压缩机部段14和涡轮机部段12之间且将它们连接起来。涡轮机部段12包括涡轮机壳体28,其限定排气进口(未示出)、排气出口24以及设置在排气进口和排气出口24之间的流体路径中的涡轮机蜗壳29。涡轮机叶轮20设置在涡轮机蜗壳29和排气出口24之间的涡轮机壳体28中。轴18连接至涡轮机叶轮20,可旋转地支撑在轴承壳体22内,且延伸进入压缩机部段14。压缩机部段14包括压缩机壳体26,其限定空气进口32、空气出口(未示出)以及压缩机蜗壳27。压缩机空气进口32是中空的圆柱形构件,其与轴18的旋转轴线R同轴延伸。径流式压缩机叶轮16设置在空气进口32和压缩机蜗壳27之间的压缩机壳体26中。压缩机叶轮16连接至轴18,且由轴18驱动。
在使用时,涡轮机叶轮20可旋转地由从发动机供应的排气的流入驱动。由于驱动轴18将涡轮机叶轮20连接至压缩机叶轮16,所以涡轮机叶轮20的旋转导致压缩机叶轮16的旋转。随着压缩机叶轮16旋转,增加了经由从压缩机空气出口的流出而传送至发动机的汽缸的空气质量流率、气流密度和气压,该压缩机空气出口连接至发动机的空气进气歧管。
还参照图2,涡轮增压器10设有设置在压缩机壳体26的进口管32中的轴向式压缩机30。轴向式压缩机30是一种其中气体或工作流体主要与旋转轴平行流动的压缩机。这种压缩机导致压缩气体的连续流动,并且具有效率高和质量流率大的优点,特别是与它们的大小和截面有关。在示出的实施例中,轴向式压缩机30具有风扇34,该风扇具有轴流风扇叶轮36。轴向式压缩机30可由在轴向式压缩机30的周边的滚动元件轴承38支撑。风扇叶轮36可被驱动使得其根据驱动状态来迅速加速或者减速。马达控制器可控制加速或者减速以优化涡轮增压器10的压缩机性能图。
轴向式压缩机30理想地是由塑料制成。可将塑料模塑为所需的形状。这种聚合物重量轻、耐用并且柔韧,同时不需要润滑。其他有益特征包括:由塑料制成的轴向式压缩机30便宜并且降解缓慢。
由于其在压缩机进口管32中的位置,轴向式压缩机30增加了压缩机壳体26中的压缩机叶轮16上游的压力比。涡轮增压器10及其部件无需为了添加轴向式压缩机30而进行大的改变,但是通常需要无阻塞的更长的进口管32。其他等效的管包括将压缩机壳体进口连接至发动机的空气感应系统的管。
轴向式压缩机30可增加压缩机叶轮16上游的压力比。作为一个示例,轴向式压缩机30可相对于压缩机叶轮16增加约1.3的压力比。在空气在轴向式压缩机30中进行压缩之后,压缩机叶轮16将进一步地压缩最初压缩空气。因此,相对于离开不具有轴向式压缩机30的压缩机的空气,离开压缩机14的空气的压力比增加。由此,随着更多空气供应至发动机的燃烧室中,压力与所添加的轴向式压缩机30的压力组合增加可增加压力,因此提供更高密度的空气。
轴向式压缩机30可由多种马达40驱动,例如所有类型的步进马达、交流伺服马达、直流伺服马达,其他类型的直流马达、交流感应马达或者其他类型的马达。图3示出了磁步进马达,其包括配置成提供旋转磁场的可通电线圈(42)。该磁步进马达配置成经由磁体(44)与可通电线圈(42)的配合来驱动风扇(34)。例如,磁步进马达40在短暂匀速运动中旋转,其示例性步进为60度(但是该步进可容易地为30度、45度或者90度)。作为一个示例,转速的范围可为沿顺时针或逆时针方向0~70krpm。如图3所示,线圈42可依次通电以产生旋转磁场。风扇叶轮36中的磁体44跟随旋转磁场。在示例性实施例中,磁体44并入至相应叶轮辐条的远端中,并且具有交变极性。风扇叶轮36的附加的叶片可在叶轮辐条与磁体44之间。出于图示的目的,中心轴承46在图3中示出。
转速受线圈42打开和关闭的速度控制。方向受线圈42通电的顺序控制。
风扇叶轮的转速直接控制由涡轮增压器10提供的升压的量。风扇转速可受步进马达控制器控制以给出最佳升压。
示例包括当车辆上坡并且轴向式压缩机30将以最大速度运行时所需的最大升压。当在可能的失速状态下下坡时,风扇34可反转,这导致压力小于1.0的减少。
在预启动状态下,发动机静止,并且涡轮增压器10相对于轴向式压缩机30静止而静止。在发动机启动或者怠速时,电池以低速驱动轴向式压缩机30,同时涡轮增压器10以低速被驱动。随着发动机加速,轴向式压缩机30可被驱动至最大升压,同时涡轮增压器10通过增加的排气加速。随着发动机减速,轴向式压缩机30的驱动被去除,并且由于低排气,发动机速度减少并且涡轮增压器速度减少。由此,轴向式压缩机30可基于驱动和发动机状态来迅速加速或者减速。
轴向式压缩机30还可由交流马达结合逆变器来驱动。鼠笼式马达可与逆变器一起使用来控制风扇34。虽然该选项可能成本更低,但是该马达的响应性低于磁步进马达或者伺服马达。
本发明已通过图示方式进行说明,要理解的是,所使用的术语旨在词语的本质上而不是限制。本发明的各种修改和更改鉴于上述教导是可能的。因此,要理解的是,在附加权利要求的范围内,仅按说明书内所详细列举的内容,本发明可以得以实施。
Claims (11)
1.一种涡轮增压器(10),包括:
涡轮机部段(12),其包括涡轮机叶轮(20);
压缩机部段(14),其包括压缩机壳体(26)和设置在所述压缩机壳体(26)中的压缩机叶轮(16);
轴(18),其将所述涡轮机叶轮(20)连接至所述压缩机叶轮(16);以及
轴向式压缩机(30),其配置成增加所述压缩机叶轮(16)上游的压力比,其中所述轴向式压缩机(30)包括具有风扇叶轮(36)的风扇,
其中所述轴向式压缩机(30)由在其周边的滚动元件轴承(38)支撑。
2.如权利要求1所述的涡轮增压器(10),其中所述轴向式压缩机包括与所述压缩机叶轮(16)串联设置的轴流风扇(34)。
3.如权利要求1所述的涡轮增压器(10),其中由所述涡轮增压器(10)提供的增压由所述风扇(34)的转速控制。
4.如权利要求1所述的涡轮增压器(10),其中所述轴向式压缩机(30)相对于所述压缩机叶轮(16)增加约1.3的所述压力比。
5.如权利要求1所述的涡轮增压器(10),其中所述轴向式压缩机(30)由磁步进马达(40)驱动。
6.如权利要求5所述的涡轮增压器(10),其中所述轴向式压缩机(30)包括具有风扇叶轮(36)的风扇(34),所述风扇叶轮具有与可通电线圈(42)相关联的磁体(44),所述可通电线圈产生磁体(44)可跟随的旋转磁场。
7.如权利要求1所述的涡轮增压器(10),其中所述轴向式压缩机(30)由伺服马达(40)驱动。
8.如权利要求1所述的涡轮增压器(10),其中所述轴向式压缩机(30)由交流马达结合逆变器来驱动。
9.如权利要求1所述的涡轮增压器(10),其中所述轴向式压缩机(30)安装在所述压缩机壳体(26)的细长进口管(32)中。
10.一种涡轮增压器(10),包括:
压缩机(14),其包括:
压缩机壳体(26),其限定进口管(32),以及
压缩机叶轮(16),其设置在所述压缩机壳体(26)内;
轴向式压缩机(30),其安装在所述进口管(32)中,所述轴向式压缩机包括风扇(34),其中所述涡轮增压器(10)的增压可由所述风扇(34)的转速控制,所述风扇(34)包括具有磁体(44)的风扇叶轮(36);以及
磁步进马达(40),其包括配置成提供旋转磁场的可通电线圈(42),所述磁步进马达配置成经由所述磁体(44)与所述可通电线圈(42)的配合来驱动所述风扇(34),
其中所述轴向式压缩机(30)增加所述压缩机叶轮(16)上游约1.3的压力比,并且
其中所述轴向式压缩机(30)由在其周边的滚动元件轴承(38)支撑。
11.如权利要求10所述的涡轮增压器(10),其中所述风扇(34)的所述转速的范围为沿顺时针或逆时针方向0~70krpm。
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US201361894955P | 2013-10-24 | 2013-10-24 | |
US61/894955 | 2013-10-24 | ||
PCT/US2014/061446 WO2015061242A1 (en) | 2013-10-24 | 2014-10-21 | Axial compressor with a magnetic stepper or servo motor |
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CN105658930A CN105658930A (zh) | 2016-06-08 |
CN105658930B true CN105658930B (zh) | 2020-03-03 |
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US (1) | US20160252095A1 (zh) |
KR (1) | KR20160073976A (zh) |
CN (1) | CN105658930B (zh) |
DE (1) | DE112014004868T5 (zh) |
WO (1) | WO2015061242A1 (zh) |
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CN106939824A (zh) * | 2017-05-11 | 2017-07-11 | 大连依勒斯涡轮增压技术有限公司 | 一种复合动力轴径流压气机 |
FR3078205B1 (fr) * | 2018-02-16 | 2020-02-28 | IFP Energies Nouvelles | Machine electrique a grille statorique comprenant des appendices aerodynamiques |
CN108952949B (zh) * | 2018-07-05 | 2020-12-22 | 常州平江电气设备有限公司 | 一种气体流动性好的涡轮增压器 |
CN113944552B (zh) * | 2021-08-31 | 2023-12-19 | 东风汽车集团股份有限公司 | 一种两级增压系统控制方法、装置、设备和介质 |
CN114370433A (zh) * | 2021-12-20 | 2022-04-19 | 中国北方发动机研究所(天津) | 一种具有可变进气预旋发生器的压气机 |
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US5025629A (en) * | 1989-03-20 | 1991-06-25 | Woollenweber William E | High pressure ratio turbocharger |
DE10040122A1 (de) * | 2000-08-17 | 2002-02-28 | Daimler Chrysler Ag | Abgasturbolader für eine Brennkraftmaschine |
DE10050161A1 (de) * | 2000-10-11 | 2002-04-18 | Daimler Chrysler Ag | Abgasturbolader für eine Brennkraftmaschine und Verfahren zum Betrieb eines Abgasturboladers |
DE10061847A1 (de) * | 2000-12-12 | 2002-06-13 | Daimler Chrysler Ag | Abgasturbolader für eine Brennkraftmaschine und Verfahren zum Betrieb eines Abgasturboladers |
US6792755B2 (en) * | 2002-07-30 | 2004-09-21 | Honeywell International Inc. | High-pressure ratio turbocharger |
US6717302B2 (en) * | 2002-07-31 | 2004-04-06 | Danaher Controls Corporation | Motor for use with a sensor |
DE102004035044A1 (de) * | 2004-07-20 | 2006-03-09 | Daimlerchrysler Ag | Verdichter in einem Abgasturbolader für eine Brennkraftmaschine und Verfahren zum Betrieb eines Verdichters |
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US20120055148A1 (en) * | 2008-12-25 | 2012-03-08 | Steven Leonard | Magnetic motor and automobile |
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2014
- 2014-10-21 KR KR1020167011609A patent/KR20160073976A/ko not_active Application Discontinuation
- 2014-10-21 CN CN201480057508.3A patent/CN105658930B/zh not_active Expired - Fee Related
- 2014-10-21 WO PCT/US2014/061446 patent/WO2015061242A1/en active Application Filing
- 2014-10-21 DE DE112014004868.2T patent/DE112014004868T5/de not_active Withdrawn
- 2014-10-21 US US15/030,075 patent/US20160252095A1/en not_active Abandoned
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US4253031A (en) * | 1978-05-27 | 1981-02-24 | Robert Bosch Gmbh | Directly driven dynamo electric machine-gas turbine generator structure |
CN101922459A (zh) * | 2010-07-28 | 2010-12-22 | 寿光市康跃增压器有限公司 | 电动复合多级离心压气机装置 |
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WO2015061242A1 (en) | 2015-04-30 |
DE112014004868T5 (de) | 2016-07-14 |
US20160252095A1 (en) | 2016-09-01 |
KR20160073976A (ko) | 2016-06-27 |
CN105658930A (zh) | 2016-06-08 |
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