JP6959735B2 - 構造化磁性材料を利用する構造物と方法 - Google Patents
構造化磁性材料を利用する構造物と方法 Download PDFInfo
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- B22F1/00—Metallic powder; Treatment of metallic powder, e.g. to facilitate working or to improve properties
- B22F1/16—Metallic particles coated with a non-metal
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
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- H02K21/00—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets
- H02K21/12—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets with stationary armatures and rotating magnets
- H02K21/22—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets with stationary armatures and rotating magnets with magnets rotating around the armatures, e.g. flywheel magnetos
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
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- B22F3/00—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
- B22F3/115—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces by spraying molten metal, i.e. spray sintering, spray casting
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- C23C4/00—Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge
- C23C4/04—Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge characterised by the coating material
- C23C4/06—Metallic material
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- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
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- C23C8/00—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
- C23C8/02—Pretreatment of the material to be coated
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- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C8/00—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
- C23C8/06—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using gases
- C23C8/08—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using gases only one element being applied
- C23C8/10—Oxidising
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F1/00—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties
- H01F1/01—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials
- H01F1/03—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity
- H01F1/12—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials
- H01F1/14—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials metals or alloys
- H01F1/20—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials metals or alloys in the form of particles, e.g. powder
- H01F1/22—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials metals or alloys in the form of particles, e.g. powder pressed, sintered, or bound together
- H01F1/24—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials metals or alloys in the form of particles, e.g. powder pressed, sintered, or bound together the particles being insulated
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F41/00—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties
- H01F41/02—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils, or magnets
- H01F41/0206—Manufacturing of magnetic cores by mechanical means
- H01F41/0246—Manufacturing of magnetic circuits by moulding or by pressing powder
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K1/00—Details of the magnetic circuit
- H02K1/02—Details of the magnetic circuit characterised by the magnetic material
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K1/00—Details of the magnetic circuit
- H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
- H02K1/12—Stationary parts of the magnetic circuit
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K1/00—Details of the magnetic circuit
- H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
- H02K1/12—Stationary parts of the magnetic circuit
- H02K1/14—Stator cores with salient poles
- H02K1/146—Stator cores with salient poles consisting of a generally annular yoke with salient poles
- H02K1/148—Sectional cores
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K1/00—Details of the magnetic circuit
- H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
- H02K1/22—Rotating parts of the magnetic circuit
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K1/00—Details of the magnetic circuit
- H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
- H02K1/22—Rotating parts of the magnetic circuit
- H02K1/27—Rotor cores with permanent magnets
- H02K1/2706—Inner rotors
- H02K1/272—Inner rotors the magnetisation axis of the magnets being perpendicular to the rotor axis
- H02K1/274—Inner rotors the magnetisation axis of the magnets being perpendicular to the rotor axis the rotor consisting of two or more circumferentially positioned magnets
- H02K1/2753—Inner rotors the magnetisation axis of the magnets being perpendicular to the rotor axis the rotor consisting of two or more circumferentially positioned magnets the rotor consisting of magnets or groups of magnets arranged with alternating polarity
- H02K1/278—Surface mounted magnets; Inset magnets
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K16/00—Machines with more than one rotor or stator
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K21/00—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets
- H02K21/12—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets with stationary armatures and rotating magnets
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K21/00—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets
- H02K21/12—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets with stationary armatures and rotating magnets
- H02K21/14—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets with stationary armatures and rotating magnets with magnets rotating within the armatures
- H02K21/16—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets with stationary armatures and rotating magnets with magnets rotating within the armatures having annular armature cores with salient poles
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K3/00—Details of windings
- H02K3/04—Windings characterised by the conductor shape, form or construction, e.g. with bar conductors
- H02K3/18—Windings for salient poles
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K3/00—Details of windings
- H02K3/04—Windings characterised by the conductor shape, form or construction, e.g. with bar conductors
- H02K3/28—Layout of windings or of connections between windings
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K3/00—Details of windings
- H02K3/46—Fastening of windings on the stator or rotor structure
- H02K3/47—Air-gap windings, i.e. iron-free windings
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C2202/00—Physical properties
- C22C2202/02—Magnetic
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K2201/00—Specific aspects not provided for in the other groups of this subclass relating to the magnetic circuits
- H02K2201/03—Machines characterised by aspects of the air-gap between rotor and stator
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- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Materials Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Physics & Mathematics (AREA)
- Plasma & Fusion (AREA)
- Dispersion Chemistry (AREA)
- Iron Core Of Rotating Electric Machines (AREA)
- Coating By Spraying Or Casting (AREA)
- Soft Magnetic Materials (AREA)
- Thin Magnetic Films (AREA)
- Permanent Magnet Type Synchronous Machine (AREA)
Description
〔実施例1〕
[表1:フェーズ−1試料(P1で示す)と比較した、リング試料1、2、1A、および2Aの測定磁気特性]
〔実施例2〕
実施例3
[表2:モータ寸法仕様]
Claims (13)
- 基板上に堆積された軟磁性材料であって、
アルミニウム、コバルト、ニッケル、シリコンの少なくともいずれかを含むと共に鉄を含有する複数の粒子であって、複数の異なる微小領域からなる微細構造を有する連続した複数の薄い被膜を形成する粒子と、
前記鉄を含有する粒子上の絶縁層であって、アルミナを含む絶縁層と、
を含み、
前記絶縁層が濃度勾配を有するアルミナ層により形成され、前記濃度勾配は、鉄を含有する粒子であって、表面に近づくに従ってアルミニウム濃度が上昇する粒子によって生じ、
前記鉄を含有する粒子が、絶縁境界により分離された透磁性微小領域の凝集体を形成し、
前記基板上に溶射された、前記透磁性微小領域の凝集体は、溶射された鉄含有粒子の連続層を形成する、連続した複数の微小領域を含み、
前記鉄を含有する粒子及び前記絶縁層は高密度の固体層を形成するようにされ、前記固体層においてある層の粒子は、該粒子がその底部で直前の層の粒子と接触する接触部において、前記直前の層の粒子に合わせた形状となり、前記直前の層の粒子に密着する、
軟磁性材料。 - 前記鉄を含有する粒子が体心立方構造を有し、前記体心立方構造が3次元において等方的な磁気特性を提供する、請求項1に記載の軟磁性材料。
- 透磁性微小領域の前記凝集体が高透磁率と低保磁力を有している、請求項1に記載の軟磁性材料。
- アルミニウム、コバルト、ニッケル、シリコンの少なくともいずれかを含む鉄含有粒子を加熱し、
前記鉄含有粒子を熱溶射し、
前記鉄含有粒子を酸化して、前記鉄含有粒子上にアルミナを有する絶縁層を形成し、
前記酸化した鉄含有粒子を基板に堆積する、
ことを含む方法であって、
複数の前記鉄含有粒子が、複数の異なる微小領域からなる微細構造を有する連続した複数の薄い被膜を形成し、
前記複数の鉄含有粒子が、絶縁境界により隔てられる透磁性微小領域の凝集体を形成し、
前記基板上に溶射された、前記透磁性微小領域の凝集体は、溶射された鉄含有粒子の連続層を形成する、連続した複数の微小領域を含み、
前記鉄含有粒子及び該鉄含有粒子上の前記絶縁層は、高密度の固体層を形成するようにされ、前記固体層において、ある層の粒子は、該粒子がその底部で直前の層の粒子と接触する接触部において、前記直前の層の粒子に合わせた形状となり、前記直前の層の粒子に密着し、
前記絶縁層が濃度勾配を有するアルミナ層により形成され、前記濃度勾配は、前記鉄含有粒子の各々が、表面に近づくに従って上昇するアルミニウム濃度を有することによって生じ、前記アルミニウム濃度の上昇は、前記鉄含有粒子にアルミニウム層を堆積させて熱処理し、前記鉄含有粒子内にアルミニウムを拡散させて、アルミニウム濃度が変化する合金を形成することによって達成される、方法。 - 前記鉄含有粒子は体心立方構造を有し、該体心立方構造が3次元において等方的な磁気特性を提供する、請求項4に記載の方法。
- 透磁性微小領域の前記凝集体が高透磁率と低保磁力を有している、請求項4に記載の方法。
- 前記鉄含有粒子を熱溶射することが高速空気燃料システム、高速酸素燃料システム、あるいは低エネルギープラズマ溶射を使用して溶射することを含む、請求項4に記載の方法。
- 少なくとも1つのコアを有する固定子と、
前記少なくとも1つのコア上のコイルと、
前記固定子の中に回転可能に装着された回転子と、
前記固定子と前記回転子の間に装着された少なくとも1つの磁石と、
を備え、前記少なくとも1つのコアが、請求項1から3のいずれかに記載の軟磁性材料を含む、装置。 - 磁束が前記回転子と前記固定子の間で3次元方向に向けられる、請求項8に記載の装置。
- 前記回転子の外向面により規定される回転子極と、前記固定子の内向面により規定される固定子極とをさらに含み、前記少なくとも1つの磁石が前記回転子の前記外向面に装着された、請求項8に記載の装置。
- 前記少なくとも1つの磁石の断面形状が前記固定子の前記内向面の断面形状に対応する面を規定する、請求項10に記載の装置。
- 前記少なくとも1つの磁石および前記回転子の前記内向面が、前記回転子と前記固定子の間で円錐形状の空隙を規定し、前記円錐形状の空隙が、前記装置の径方向、軸方向、および円周方向に磁束を流すことができる、請求項10に記載の装置。
- 前記鉄を含有する粒子が、89wt.%鉄、10wt.%アルミニウム、および0.25wt.%炭素を有する合金を含む、請求項8に記載の装置。
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US201361884415P | 2013-09-30 | 2013-09-30 | |
US61/884,415 | 2013-09-30 | ||
US201361920043P | 2013-12-23 | 2013-12-23 | |
US61/920,043 | 2013-12-23 | ||
US201461933386P | 2014-01-30 | 2014-01-30 | |
US61/933,386 | 2014-01-30 | ||
US201461941644P | 2014-02-19 | 2014-02-19 | |
US61/941,644 | 2014-02-19 | ||
PCT/US2014/058291 WO2015048733A1 (en) | 2013-09-30 | 2014-09-30 | Structures and methods utilizing structured magnetic material |
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JP2023078286A Active JP7499380B2 (ja) | 2013-09-30 | 2023-05-11 | モータ |
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KR (3) | KR102362218B1 (ja) |
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EP3036351B1 (en) * | 2013-09-30 | 2021-02-24 | Persimmon Technologies Corporation | Method of making a soft magnetic material |
US10570494B2 (en) | 2013-09-30 | 2020-02-25 | Persimmon Technologies Corporation | Structures utilizing a structured magnetic material and methods for making |
US11870299B2 (en) * | 2015-01-07 | 2024-01-09 | Persimmon Technologies, Corp. | Motor with composite housing |
CN107614420B (zh) * | 2016-04-11 | 2023-08-11 | 柿子技术公司 | 具有方向性微结构的材料 |
US20180013336A1 (en) * | 2016-07-08 | 2018-01-11 | Emerson Electric Co. | Stators and coils for axial-flux dynamoelectric machines |
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US20220352776A1 (en) | 2022-11-03 |
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