IT1401625B1 - Generatore a magneti permanenti con effetto cogging ridotto e relativo magnete. - Google Patents

Generatore a magneti permanenti con effetto cogging ridotto e relativo magnete.

Info

Publication number
IT1401625B1
IT1401625B1 ITVI2010A000220A ITVI20100220A IT1401625B1 IT 1401625 B1 IT1401625 B1 IT 1401625B1 IT VI2010A000220 A ITVI2010A000220 A IT VI2010A000220A IT VI20100220 A ITVI20100220 A IT VI20100220A IT 1401625 B1 IT1401625 B1 IT 1401625B1
Authority
IT
Italy
Prior art keywords
magnet
permanent magnet
cogging effect
reduced cogging
generator
Prior art date
Application number
ITVI2010A000220A
Other languages
English (en)
Inventor
Francesco Battistella
Original Assignee
Nuova Saccardo Motori S R L
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 Nuova Saccardo Motori S R L filed Critical Nuova Saccardo Motori S R L
Priority to ITVI2010A000220A priority Critical patent/IT1401625B1/it
Priority to PCT/IB2011/001814 priority patent/WO2012017303A2/en
Priority to EP11754917.0A priority patent/EP2601729A2/en
Publication of ITVI20100220A1 publication Critical patent/ITVI20100220A1/it
Application granted granted Critical
Publication of IT1401625B1 publication Critical patent/IT1401625B1/it

Links

Classifications

    • 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
    • H02K1/2786—Outer rotors
    • H02K1/2787—Outer rotors the magnetisation axis of the magnets being perpendicular to the rotor axis
    • H02K1/2789—Outer rotors the magnetisation axis of the magnets being perpendicular to the rotor axis the rotor consisting of two or more circumferentially positioned magnets
    • H02K1/2791—Surface mounted magnets; Inset magnets
    • H02K1/27915—Magnets shaped to vary the mechanical air gap between the magnets and the stator
    • A—HUMAN NECESSITIES
    • A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23C—DAIRY PRODUCTS, e.g. MILK, BUTTER OR CHEESE; MILK OR CHEESE SUBSTITUTES; MAKING THEREOF
    • A23C13/00—Cream; Cream preparations; Making thereof
    • A23C13/08—Preservation
    • A23C13/10—Preservation by addition of preservatives
    • A—HUMAN NECESSITIES
    • A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23C—DAIRY PRODUCTS, e.g. MILK, BUTTER OR CHEESE; MILK OR CHEESE SUBSTITUTES; MAKING THEREOF
    • A23C15/00—Butter; Butter preparations; Making thereof
    • A23C15/18—Preservation
    • A23C15/20—Preservation by addition of preservatives or antioxidants
    • A—HUMAN NECESSITIES
    • A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23C—DAIRY PRODUCTS, e.g. MILK, BUTTER OR CHEESE; MILK OR CHEESE SUBSTITUTES; MAKING THEREOF
    • A23C21/00—Whey; Whey preparations
    • A23C21/08—Whey; Whey preparations containing other organic additives, e.g. vegetable or animal products
    • A—HUMAN NECESSITIES
    • A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23C—DAIRY PRODUCTS, e.g. MILK, BUTTER OR CHEESE; MILK OR CHEESE SUBSTITUTES; MAKING THEREOF
    • A23C3/00—Preservation of milk or milk preparations
    • A23C3/08—Preservation of milk or milk preparations by addition of preservatives
    • A—HUMAN NECESSITIES
    • A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23V—INDEXING SCHEME RELATING TO FOODS, FOODSTUFFS OR NON-ALCOHOLIC BEVERAGES AND LACTIC OR PROPIONIC ACID BACTERIA USED IN FOODSTUFFS OR FOOD PREPARATION
    • A23V2002/00—Food compositions, function of food ingredients or processes for food or foodstuffs
    • 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
    • H02K2201/06—Magnetic cores, or permanent magnets characterised by their skew
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K29/00—Motors or generators having non-mechanical commutating devices, e.g. discharge tubes or semiconductor devices
    • H02K29/03—Motors or generators having non-mechanical commutating devices, e.g. discharge tubes or semiconductor devices with a magnetic circuit specially adapted for avoiding torque ripples or self-starting problems
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
    • H02K7/18—Structural association of electric generators with mechanical driving motors, e.g. with turbines
    • H02K7/1807—Rotary generators
    • H02K7/1823—Rotary generators structurally associated with turbines or similar engines
    • H02K7/183—Rotary generators structurally associated with turbines or similar engines wherein the turbine is a wind turbine
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
    • H02K7/18—Structural association of electric generators with mechanical driving motors, e.g. with turbines
    • H02K7/1807—Rotary generators
    • H02K7/1823—Rotary generators structurally associated with turbines or similar engines
    • H02K7/183—Rotary generators structurally associated with turbines or similar engines wherein the turbine is a wind turbine
    • H02K7/1838—Generators mounted in a nacelle or similar structure of a horizontal axis wind turbine
    • 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
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00—Energy generation through renewable energy sources
    • Y02E10/70—Wind energy
    • Y02E10/72—Wind turbines with rotation axis in wind direction

Landscapes

  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Food Science & Technology (AREA)
  • Polymers & Plastics (AREA)
  • Power Engineering (AREA)
  • Biochemistry (AREA)
  • Zoology (AREA)
  • Permanent Field Magnets Of Synchronous Machinery (AREA)
  • Permanent Magnet Type Synchronous Machine (AREA)
ITVI2010A000220A 2010-08-04 2010-08-04 Generatore a magneti permanenti con effetto cogging ridotto e relativo magnete. IT1401625B1 (it)

Priority Applications (3)

Application Number Priority Date Filing Date Title
ITVI2010A000220A IT1401625B1 (it) 2010-08-04 2010-08-04 Generatore a magneti permanenti con effetto cogging ridotto e relativo magnete.
PCT/IB2011/001814 WO2012017303A2 (en) 2010-08-04 2011-08-04 Permanent magnet generator with reduced cogging effect and related magnets
EP11754917.0A EP2601729A2 (en) 2010-08-04 2011-08-04 Permanent magnets for a generator with reduced cogging

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ITVI2010A000220A IT1401625B1 (it) 2010-08-04 2010-08-04 Generatore a magneti permanenti con effetto cogging ridotto e relativo magnete.

Publications (2)

Publication Number Publication Date
ITVI20100220A1 ITVI20100220A1 (it) 2012-02-05
IT1401625B1 true IT1401625B1 (it) 2013-07-26

Family

ID=43417077

Family Applications (1)

Application Number Title Priority Date Filing Date
ITVI2010A000220A IT1401625B1 (it) 2010-08-04 2010-08-04 Generatore a magneti permanenti con effetto cogging ridotto e relativo magnete.

Country Status (3)

Country Link
EP (1) EP2601729A2 (it)
IT (1) IT1401625B1 (it)
WO (1) WO2012017303A2 (it)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2015061464A (ja) * 2013-09-20 2015-03-30 株式会社東芝 永久磁石回転電機、および、風力発電システム
CN104617689B (zh) * 2015-01-30 2017-07-07 新疆金风科技股份有限公司 风力发电机及其定子铁心以及定子的铁心模块
US10724502B2 (en) 2018-05-22 2020-07-28 Creating Moore, Llc Vertical axis wind turbine apparatus and system

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20040070300A1 (en) * 2002-10-10 2004-04-15 Fu Zhenxing (Zack) Low torque ripple surface mounted magnet synchronous motors for electric power assisted steering
JP3996919B2 (ja) * 2004-08-20 2007-10-24 信越化学工業株式会社 永久磁石モータ
JP4781706B2 (ja) * 2005-04-15 2011-09-28 三菱電機株式会社 永久磁石式回転電機及びその回転子の製造方法
US8134267B2 (en) * 2008-03-06 2012-03-13 Lg Electronics Inc. Motor including a rotor and a stator, and washing machine using the same
WO2010051691A1 (zh) * 2008-11-05 2010-05-14 鹤山市鹤龙机电有限公司 一种小型直驱永磁同步风力发电机及其小型风力发电系统

Also Published As

Publication number Publication date
ITVI20100220A1 (it) 2012-02-05
EP2601729A2 (en) 2013-06-12
WO2012017303A3 (en) 2012-06-14
WO2012017303A2 (en) 2012-02-09

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IT1401625B1 (it) Generatore a magneti permanenti con effetto cogging ridotto e relativo magnete.