EP2734796A4 - SYSTEM AND METHOD FOR REVERSE DEGRADATION OF MAGNETOCALORIC MATERIAL - Google Patents

SYSTEM AND METHOD FOR REVERSE DEGRADATION OF MAGNETOCALORIC MATERIAL

Info

Publication number
EP2734796A4
EP2734796A4 EP12814189.2A EP12814189A EP2734796A4 EP 2734796 A4 EP2734796 A4 EP 2734796A4 EP 12814189 A EP12814189 A EP 12814189A EP 2734796 A4 EP2734796 A4 EP 2734796A4
Authority
EP
European Patent Office
Prior art keywords
magnetocaloric material
reverse degradation
degradation
reverse
magnetocaloric
Prior art date
Legal status (The legal status 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 status listed.)
Withdrawn
Application number
EP12814189.2A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP2734796A1 (en
Inventor
Carl B Zimm
Steven A Jacobs
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Astronautics Corp of America
Original Assignee
Astronautics Corp of America
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 Astronautics Corp of America filed Critical Astronautics Corp of America
Publication of EP2734796A1 publication Critical patent/EP2734796A1/en
Publication of EP2734796A4 publication Critical patent/EP2734796A4/en
Withdrawn legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B21/00—Machines, plants or systems, using electric or magnetic effects
    • 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
    • H01F1/012—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials adapted for magnetic entropy change by magnetocaloric effect, e.g. used as magnetic refrigerating material
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B2321/00—Details of machines, plants or systems, using electric or magnetic effects
    • F25B2321/002—Details of machines, plants or systems, using electric or magnetic effects by using magneto-caloric effects
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B2321/00—Details of machines, plants or systems, using electric or magnetic effects
    • F25B2321/002—Details of machines, plants or systems, using electric or magnetic effects by using magneto-caloric effects
    • F25B2321/0022—Details of machines, plants or systems, using electric or magnetic effects by using magneto-caloric effects with a rotating or otherwise moving magnet
    • 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
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Thermal Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Hard Magnetic Materials (AREA)
  • Investigating Or Analyzing Materials By The Use Of Magnetic Means (AREA)
EP12814189.2A 2011-07-19 2012-07-18 SYSTEM AND METHOD FOR REVERSE DEGRADATION OF MAGNETOCALORIC MATERIAL Withdrawn EP2734796A4 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US201161509381P 2011-07-19 2011-07-19
PCT/US2012/047168 WO2013012908A1 (en) 2011-07-19 2012-07-18 System and method for reverse degradation of a magnetocaloric material

Publications (2)

Publication Number Publication Date
EP2734796A1 EP2734796A1 (en) 2014-05-28
EP2734796A4 true EP2734796A4 (en) 2015-09-09

Family

ID=47554784

Family Applications (1)

Application Number Title Priority Date Filing Date
EP12814189.2A Withdrawn EP2734796A4 (en) 2011-07-19 2012-07-18 SYSTEM AND METHOD FOR REVERSE DEGRADATION OF MAGNETOCALORIC MATERIAL

Country Status (9)

Country Link
US (1) US20130019610A1 (zh)
EP (1) EP2734796A4 (zh)
JP (1) JP2014521050A (zh)
KR (1) KR20140089508A (zh)
CN (1) CN103748424B (zh)
BR (1) BR112014000922A2 (zh)
MX (1) MX339024B (zh)
RU (1) RU2014105818A (zh)
WO (1) WO2013012908A1 (zh)

Families Citing this family (65)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20130055726A1 (en) * 2011-09-01 2013-03-07 Delta Electronics, Inc. Magnetic thermal module and magnetic thermal device
US10465951B2 (en) 2013-01-10 2019-11-05 Haier Us Appliance Solutions, Inc. Magneto caloric heat pump with variable magnetization
US9534817B2 (en) 2013-03-29 2017-01-03 General Electric Company Conduction based magneto caloric heat pump
US9625185B2 (en) 2013-04-16 2017-04-18 Haier Us Appliance Solutions, Inc. Heat pump with magneto caloric materials and variable magnetic field strength
US9377221B2 (en) 2013-07-24 2016-06-28 General Electric Company Variable heat pump using magneto caloric materials
US10126025B2 (en) 2013-08-02 2018-11-13 Haier Us Appliance Solutions, Inc. Magneto caloric assemblies
US9851128B2 (en) 2014-04-22 2017-12-26 Haier Us Appliance Solutions, Inc. Magneto caloric heat pump
US9797630B2 (en) 2014-06-17 2017-10-24 Haier Us Appliance Solutions, Inc. Heat pump with restorative operation for magneto caloric material
CN104716869A (zh) * 2014-09-30 2015-06-17 王振元 磁热效应发动机
BR112017012856A2 (pt) * 2014-12-18 2018-01-09 Basf Se cascata magnetocalórica, regenerador magnetocalórico, bomba de calor, método para a fabricação de uma cascata magnetocalórica, método de bombeamento de calor
US10254020B2 (en) 2015-01-22 2019-04-09 Haier Us Appliance Solutions, Inc. Regenerator including magneto caloric material with channels for the flow of heat transfer fluid
US9631843B2 (en) 2015-02-13 2017-04-25 Haier Us Appliance Solutions, Inc. Magnetic device for magneto caloric heat pump regenerator
DE102015108954A1 (de) * 2015-06-08 2016-12-08 Eberspächer Climate Control Systems GmbH & Co. KG Temperiergerät, insbesondere Fahrzeugtemperiergerät
JP6418110B2 (ja) * 2015-09-01 2018-11-07 株式会社デンソー 磁気ヒートポンプ装置
US11233254B2 (en) 2016-02-22 2022-01-25 Battelle Memorial Institute Process for delivering liquid H2 from an active magnetic regenerative refrigerator H2 liquefier to a liquid H2 vehicle dispenser
US10443928B2 (en) 2016-02-22 2019-10-15 Battelle Memorial Institute Active magnetic regenerative liquefier using process gas pre-cooling from bypass flow of heat transfer fluid
US10299655B2 (en) 2016-05-16 2019-05-28 General Electric Company Caloric heat pump dishwasher appliance
US10006675B2 (en) 2016-07-19 2018-06-26 Haier Us Appliance Solutions, Inc. Linearly-actuated magnetocaloric heat pump
US10281177B2 (en) 2016-07-19 2019-05-07 Haier Us Appliance Solutions, Inc. Caloric heat pump system
US10006673B2 (en) 2016-07-19 2018-06-26 Haier Us Appliance Solutions, Inc. Linearly-actuated magnetocaloric heat pump
US10047980B2 (en) * 2016-07-19 2018-08-14 Haier Us Appliance Solutions, Inc. Linearly-actuated magnetocaloric heat pump
US10047979B2 (en) 2016-07-19 2018-08-14 Haier Us Appliance Solutions, Inc. Linearly-actuated magnetocaloric heat pump
US9869493B1 (en) 2016-07-19 2018-01-16 Haier Us Appliance Solutions, Inc. Linearly-actuated magnetocaloric heat pump
US9915448B2 (en) 2016-07-19 2018-03-13 Haier Us Appliance Solutions, Inc. Linearly-actuated magnetocaloric heat pump
US10222101B2 (en) * 2016-07-19 2019-03-05 Haier Us Appliance Solutions, Inc. Linearly-actuated magnetocaloric heat pump
US10274231B2 (en) 2016-07-19 2019-04-30 Haier Us Appliance Solutions, Inc. Caloric heat pump system
US10006674B2 (en) 2016-07-19 2018-06-26 Haier Us Appliance Solutions, Inc. Linearly-actuated magnetocaloric heat pump
US10295227B2 (en) 2016-07-19 2019-05-21 Haier Us Appliance Solutions, Inc. Caloric heat pump system
US10006672B2 (en) 2016-07-19 2018-06-26 Haier Us Appliance Solutions, Inc. Linearly-actuated magnetocaloric heat pump
US10443585B2 (en) 2016-08-26 2019-10-15 Haier Us Appliance Solutions, Inc. Pump for a heat pump system
US9857105B1 (en) 2016-10-10 2018-01-02 Haier Us Appliance Solutions, Inc. Heat pump with a compliant seal
US9857106B1 (en) 2016-10-10 2018-01-02 Haier Us Appliance Solutions, Inc. Heat pump valve assembly
JP2018080853A (ja) * 2016-11-14 2018-05-24 サンデンホールディングス株式会社 磁気ヒートポンプ装置
US10386096B2 (en) 2016-12-06 2019-08-20 Haier Us Appliance Solutions, Inc. Magnet assembly for a magneto-caloric heat pump
US10288326B2 (en) 2016-12-06 2019-05-14 Haier Us Appliance Solutions, Inc. Conduction heat pump
US11193696B2 (en) 2017-03-28 2021-12-07 Battelle Memorial Institute Advanced multi-layer active magnetic regenerator systems and processes for magnetocaloric liquefaction
US10527325B2 (en) 2017-03-28 2020-01-07 Haier Us Appliance Solutions, Inc. Refrigerator appliance
US11009282B2 (en) 2017-03-28 2021-05-18 Haier Us Appliance Solutions, Inc. Refrigerator appliance with a caloric heat pump
EP3601915A4 (en) * 2017-03-28 2020-12-23 John Barclay ACTIVE MAGNETIC REGENERATIVE PROCEDURES AND SYSTEMS USING HYDROGEN HEAT TRANSFER LIQUID
US10451320B2 (en) 2017-05-25 2019-10-22 Haier Us Appliance Solutions, Inc. Refrigerator appliance with water condensing features
US11566822B2 (en) 2017-06-16 2023-01-31 Carrier Corporation Ferroic response through application of conjugate field
US10451322B2 (en) 2017-07-19 2019-10-22 Haier Us Appliance Solutions, Inc. Refrigerator appliance with a caloric heat pump
US10422555B2 (en) 2017-07-19 2019-09-24 Haier Us Appliance Solutions, Inc. Refrigerator appliance with a caloric heat pump
US10520229B2 (en) 2017-11-14 2019-12-31 Haier Us Appliance Solutions, Inc. Caloric heat pump for an appliance
US11022348B2 (en) * 2017-12-12 2021-06-01 Haier Us Appliance Solutions, Inc. Caloric heat pump for an appliance
US10551095B2 (en) 2018-04-18 2020-02-04 Haier Us Appliance Solutions, Inc. Magneto-caloric thermal diode assembly
US10641539B2 (en) 2018-04-18 2020-05-05 Haier Us Appliance Solutions, Inc. Magneto-caloric thermal diode assembly
US10648706B2 (en) 2018-04-18 2020-05-12 Haier Us Appliance Solutions, Inc. Magneto-caloric thermal diode assembly with an axially pinned magneto-caloric cylinder
US10876770B2 (en) 2018-04-18 2020-12-29 Haier Us Appliance Solutions, Inc. Method for operating an elasto-caloric heat pump with variable pre-strain
US10830506B2 (en) 2018-04-18 2020-11-10 Haier Us Appliance Solutions, Inc. Variable speed magneto-caloric thermal diode assembly
US10648704B2 (en) 2018-04-18 2020-05-12 Haier Us Appliance Solutions, Inc. Magneto-caloric thermal diode assembly
US10557649B2 (en) 2018-04-18 2020-02-11 Haier Us Appliance Solutions, Inc. Variable temperature magneto-caloric thermal diode assembly
US10782051B2 (en) 2018-04-18 2020-09-22 Haier Us Appliance Solutions, Inc. Magneto-caloric thermal diode assembly
US10648705B2 (en) 2018-04-18 2020-05-12 Haier Us Appliance Solutions, Inc. Magneto-caloric thermal diode assembly
US11015842B2 (en) 2018-05-10 2021-05-25 Haier Us Appliance Solutions, Inc. Magneto-caloric thermal diode assembly with radial polarity alignment
US11054176B2 (en) 2018-05-10 2021-07-06 Haier Us Appliance Solutions, Inc. Magneto-caloric thermal diode assembly with a modular magnet system
US10989449B2 (en) 2018-05-10 2021-04-27 Haier Us Appliance Solutions, Inc. Magneto-caloric thermal diode assembly with radial supports
US10684044B2 (en) 2018-07-17 2020-06-16 Haier Us Appliance Solutions, Inc. Magneto-caloric thermal diode assembly with a rotating heat exchanger
US11092364B2 (en) 2018-07-17 2021-08-17 Haier Us Appliance Solutions, Inc. Magneto-caloric thermal diode assembly with a heat transfer fluid circuit
US11149994B2 (en) 2019-01-08 2021-10-19 Haier Us Appliance Solutions, Inc. Uneven flow valve for a caloric regenerator
US11274860B2 (en) 2019-01-08 2022-03-15 Haier Us Appliance Solutions, Inc. Mechano-caloric stage with inner and outer sleeves
US11168926B2 (en) 2019-01-08 2021-11-09 Haier Us Appliance Solutions, Inc. Leveraged mechano-caloric heat pump
US11193697B2 (en) 2019-01-08 2021-12-07 Haier Us Appliance Solutions, Inc. Fan speed control method for caloric heat pump systems
US11112146B2 (en) 2019-02-12 2021-09-07 Haier Us Appliance Solutions, Inc. Heat pump and cascaded caloric regenerator assembly
US11015843B2 (en) 2019-05-29 2021-05-25 Haier Us Appliance Solutions, Inc. Caloric heat pump hydraulic system

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20110020661A1 (en) * 2007-12-14 2011-01-27 Arcelormittal-Stainless & Nickel Alloys Fe-si-la alloy having excellent magneto-caloric properties

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4332135A (en) 1981-01-27 1982-06-01 The United States Of America As Respresented By The United States Department Of Energy Active magnetic regenerator
SU1726931A1 (ru) * 1990-03-20 1992-04-15 Омское Научно-Производственное Объединение Микрокриогенной Техники Магнитокалорический рефрижератор
US5249424A (en) * 1992-06-05 1993-10-05 Astronautics Corporation Of America Active magnetic regenerator method and apparatus
BRPI0206797B1 (pt) * 2001-12-12 2016-12-27 Astronautics Corp dispositivo de transferência de calor
JP4240380B2 (ja) * 2003-10-14 2009-03-18 日立金属株式会社 磁性材料の製造方法
JP2007150006A (ja) * 2005-11-29 2007-06-14 Jfe Ferrite Corp フェライトコアの磁気特性回復方法
KR100737781B1 (ko) * 2006-07-10 2007-07-10 주식회사 대우일렉트로닉스 회전식 재생기 및 이를 이용한 자기냉동기
US8104293B2 (en) * 2007-06-19 2012-01-31 General Electric Company Magneto-caloric cooling device and method of operation
CN102549679B (zh) * 2009-08-10 2015-09-09 巴斯夫欧洲公司 由磁热材料级联构成的换热器床
CN102024544B (zh) * 2009-09-15 2012-09-05 比亚迪股份有限公司 一种稀土永磁材料及其制备方法

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20110020661A1 (en) * 2007-12-14 2011-01-27 Arcelormittal-Stainless & Nickel Alloys Fe-si-la alloy having excellent magneto-caloric properties

Non-Patent Citations (4)

* Cited by examiner, † Cited by third party
Title
BARCZA A ET AL: "Stability and Magnetocaloric Properties of Sintered La(Fe, Mn, Si) $_{13}$ H $_{z}$ Alloys", IEEE TRANSACTIONS ON MAGNETICS, IEEE SERVICE CENTER, NEW YORK, NY, US, vol. 47, no. 10, 1 October 2011 (2011-10-01), pages 3391 - 3394, XP011383553, ISSN: 0018-9464, DOI: 10.1109/TMAG.2011.2147774 *
See also references of WO2013012908A1 *
WANG J ET AL: "The hydrogenation behavior of LaFe11.44Si1.56 magnetic refrigerating alloy", JOURNAL OF ALLOYS AND COMPOUNDS, ELSEVIER SEQUOIA, LAUSANNE, CH, vol. 485, no. 1-2, 19 October 2009 (2009-10-19), pages 313 - 315, XP026673947, ISSN: 0925-8388, [retrieved on 20090624], DOI: 10.1016/J.JALLCOM.2009.06.110 *
ZHANG YUEPENG ET AL: "Magnetocaloric effect in Ni-Mn-Ga thin films under concurrent magnetostructural and Curie transitions", JOURNAL OF APPLIED PHYSICS, AMERICAN INSTITUTE OF PHYSICS, US, vol. 110, no. 1, 7 July 2011 (2011-07-07), pages 13910 - 13910, XP012149206, ISSN: 0021-8979, DOI: 10.1063/1.3602088 *

Also Published As

Publication number Publication date
US20130019610A1 (en) 2013-01-24
CN103748424A (zh) 2014-04-23
RU2014105818A (ru) 2015-08-27
WO2013012908A1 (en) 2013-01-24
BR112014000922A2 (pt) 2017-02-14
JP2014521050A (ja) 2014-08-25
MX2014000602A (es) 2014-07-09
CN103748424B (zh) 2016-03-16
EP2734796A1 (en) 2014-05-28
MX339024B (es) 2016-05-05
KR20140089508A (ko) 2014-07-15

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