Patents by Inventor Ekkehard Brueck
Ekkehard Brueck has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 11410803Abstract: Described are magnetocaloric materials comprising manganese, iron, phosphorus, silicon, carbon and optionally one or both of nitrogen and boron, and processes for producing said magnetocaloric materials.Type: GrantFiled: June 8, 2017Date of Patent: August 9, 2022Assignee: Technische Universiteit DelftInventors: Ekkehard Brueck, Xue-Fei Miao, Van Thang Nguyen
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Patent number: 11139093Abstract: The present invention relates to magnetocaloric materials comprising manganese, iron, silicon, phosphorus, nitrogen and optionally boron.Type: GrantFiled: October 28, 2016Date of Patent: October 5, 2021Assignees: Technische Universiteit Delft, Stichting FOMInventors: Ekkehard Brueck, Van Thang Nguyen, Xue-Fei Miao
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Publication number: 20190304637Abstract: Described are magnetocaloric materials comprising manganese, iron, phosphorus, silicon, carbon and optionally one or both of nitrogen and boron, and processes for producing said magnetocaloric materials.Type: ApplicationFiled: June 8, 2017Publication date: October 3, 2019Applicant: BASF SEInventors: Ekkehard BRUECK, Xue-Fei MIAO, Van Thang NGUYEN
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Publication number: 20190198206Abstract: Described are a kit comprising at least two magnetocaloric materials having identical stoichiometry but different Curie temperature, a magnetocaloric regenerator comprising at least two magnetocaloric materials having identical stoichiometry but different Curie temperature and a process for producing at least two magnetocaloric materials having identical stoichiometry but different Curie temperature.Type: ApplicationFiled: August 31, 2017Publication date: June 27, 2019Applicant: BASF SEInventors: Johan TER MAAT, Sumohan MISRA, David VAN ASTEN, Bernard REESINK, Wilfried HERMES, Michael ZEILINGER, Fabian SEELER, Kerstin SCHIERLE-ARNDT, Ekkehard BRUECK, Van Thang NGUYEN
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Publication number: 20180315525Abstract: The present invention relates to magnetocaloric materials comprising manganese, iron, silicon, phosphorus, nitrogen and optionally boron.Type: ApplicationFiled: October 28, 2016Publication date: November 1, 2018Applicant: BASF SEInventors: Ekkehard BRUECK, Van Thang NGUYEN, Xue-Fei MIAO
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Publication number: 20160189835Abstract: A magnetocaloric material of the general formula (I) (MnxFe1-x)2+uP1-y-zSiyBz wherein 0.55?x?0.75, 0.25?y<0.4, 0.05<z?0.2, ?0.1?u?0.05.Type: ApplicationFiled: July 28, 2014Publication date: June 30, 2016Applicant: BASF SEInventors: Francois GUILLOU, Ekkehard BRUECK, Bernard Hendrik REESINK
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Publication number: 20160189833Abstract: A magnetocaloric material of the general formula (I) (MnxFe1-x)2+uP1-y-zSiyBz wherein 0.55?x?0.75, 0.4?y?0.65, 0.005?z?0.025, ?0.1?u?0.05.Type: ApplicationFiled: July 30, 2014Publication date: June 30, 2016Applicant: BASF SEInventors: Francois GUILLOU, Ekkehard BRUECK, Bernard Hendrik REESINK
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Publication number: 20160189834Abstract: A magnetocaloric material of the general formula (I) (MnxFe1-x)2+u P1-y-zSiyBz wherein 0.25?x?0.55, 0.25?y?0.65, 0<z?0.2?0.1?u?0.05, and y+z?0.7.Type: ApplicationFiled: July 15, 2014Publication date: June 30, 2016Applicant: BASF SEInventors: Francois GUILLOU, Ekkehard BRUECK, Bernard Hendrik REESINK
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Patent number: 9238592Abstract: What are described are magnetocaloric materials of the general formula (MnxFe1?x)2+zP1?ySiy where 0.55?x<1 0.4?y?0.8 ?0.1?z?0.1.Type: GrantFiled: January 4, 2011Date of Patent: January 19, 2016Assignee: BASF SEInventors: Bernard Hendrik Reesink, Ekkehard Brueck, Huu Dung Nguyen, Lian Zhang
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Publication number: 20140093934Abstract: In a process for producing organic substrate particles bonded to switchable ferromagnetic nanoparticles with a mean particle diameter in the range from 10 to 1000 nm, the ferromagnetic nanoparticles used are those nanoparticles which are nonferromagnetic at first, but become ferromagnetic when the temperature is lowered, these at first nonferromagnetic nanoparticles in dispersed form are bonded to the organic substance particles, and then the nanoparticles bonded to the substrate particles are made ferromagnetic as a result of the temperature being lowered.Type: ApplicationFiled: December 6, 2013Publication date: April 3, 2014Applicant: BASF SEInventor: Ekkehard BRUECK
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Patent number: 8632814Abstract: In a process for producing organic substrate particles bonded to switchable ferromagnetic nanoparticles with a mean particle diameter in the range from 10 to 1000 nm, the ferromagnetic nanoparticles used are those nanoparticles which are nonferromagnetic at first, but become ferromagnetic when the temperature is lowered, these at first nonferromagnetic nanoparticles in dispersed form are bonded to the organic substance particles, and then the nanoparticles bonded to the substrate particles are made ferromagnetic as a result of the temperature being lowered.Type: GrantFiled: September 21, 2010Date of Patent: January 21, 2014Assignee: BASF SEInventor: Ekkehard Brueck
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Publication number: 20130186108Abstract: The invention relates to a method for generating giant magnetocaloric materials, the giant magnetocaloric materials obtained thereby and their use in magnetocaloric heat pumps, magnetocaloric power converters, actuators or magnetic switches.Type: ApplicationFiled: January 24, 2012Publication date: July 25, 2013Applicant: BASF SEInventors: Robert Art DE GROOT, Ekkehard BRUECK
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Publication number: 20130175466Abstract: The invention relates to a method for generating giant magnetocaloric materials, the giant magnetocaloric materials obtained thereby and their use in magnetocaloric heat pumps, magnetocaloric power converters, actuators or magnetic switches.Type: ApplicationFiled: September 7, 2012Publication date: July 11, 2013Applicant: BASF SEInventors: Robert Aart De Groot, Ekkehard Brueck
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Patent number: 8427030Abstract: A thermomagnetic generator which converts thermal energy to electrical energy without intermediate conversion to mechanical work and which works at temperatures in the range from ?20° C. to 200° C. comprises a thermomagnetic material selected from, for example, (1) compounds of the general formula (I) (AyBy?1)2+?CwDxEz??(I) where A is Mn or Co, B is Fe, Cr or Ni, C, D and E at least two of C, D and E are different, have a non-vanishing concentration and are selected from P, B, Se, Ge, Ga, Si, Sn, N, As and Sb, where at least one of C, D and E is Ge or Si, ? is a number in the range from ?0.1 to 0.1, w, x, y, z are numbers in the range from 0 to 1, where w+x+z=1.Type: GrantFiled: April 27, 2009Date of Patent: April 23, 2013Assignee: BASF SEInventors: Georg Degen, Bennie Reesink, Ekkehard Brueck
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Publication number: 20110220838Abstract: What are described are magnetocaloric materials of the general formula (MnxFe1?x)2+zP1?ySiy where 0.20?x?0.40 0.4?y?0.8 ?0.1?z?0.1.Type: ApplicationFiled: March 10, 2011Publication date: September 15, 2011Applicant: BASF SEInventors: Ekkehard BRUECK, Ou ZHIQUIANG, Lian ZHANG, Caron LUANA
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Publication number: 20110167837Abstract: What are described are magnetocaloric materials of the general formula (MnxFe1?x)2+zP1?ySiy where 0.55?x<1 0.4?y?0.8 ?0.1?z?0.1.Type: ApplicationFiled: January 4, 2011Publication date: July 14, 2011Applicant: BASF SEInventors: Bennie REESINK, Ekkehard Brueck, Huu Dung Nguyen, Lian Zhang
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Publication number: 20110070620Abstract: In a process for producing organic substrate particles bonded to switchable ferromagnetic nanoparticles with a mean particle diameter in the range from 10 to 1000 nm, the ferromagnetic nanoparticles used are those nanoparticles which are nonferromagnetic at first, but become ferromagnetic when the temperature is lowered, these at first nonferromagnetic nanoparticles in dispersed form are bonded to the organic substance particles, and then the nanoparticles bonded to the substrate particles are made ferromagnetic as a result of the temperature being lowered.Type: ApplicationFiled: September 21, 2010Publication date: March 24, 2011Applicant: BASF SEInventor: Ekkehard BRUECK
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Publication number: 20110061775Abstract: The process for preparing metal-based materials for magnetic cooling or heat pumps comprises the following steps: a) reacting chemical elements and/or alloys in a stoichiometry which corresponds to the metal-based material in the solid phase and/or liquid phase, b) if appropriate converting the reaction product from stage a) to a solid, c) sintering and/or heat treating the solid from stage a) or b), d) quenching the sintered and/or heat treated solid from stage c) at a cooling rate of at least 100 K/s.Type: ApplicationFiled: April 27, 2009Publication date: March 17, 2011Applicants: Technology Foundation STW, University of AmsterdamInventors: Ekkehard Brueck, Thanh Trung Nguyen
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Publication number: 20110037342Abstract: A thermomagnetic generator which converts thermal energy to electrical energy without intermediate conversion to mechanical work and which works at temperatures in the range from ?20° C. to 200° C. comprises a thermomagnetic material selected from, for example, (1) compounds of the general formula (I) (AyBy?1)2+?CwDxEz??(I) where A is Mn or Co, B is Fe, Cr or Ni, C, D and E at least two of C, D and E are different, have a non-vanishing concentration and are selected from P, B, Se, Ge, Ga, Si, Sn, N, As and Sb, where at least one of C, D and E is Ge or Si, ? is a number in the range from ?0.1 to 0.1, w, x, y, z are numbers in the range from 0 to 1, where w+x+z=1.Type: ApplicationFiled: April 27, 2009Publication date: February 17, 2011Applicant: BASF SEInventors: Georg Degen, Bennie Reesink, Ekkehard Brueck
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Publication number: 20060117758Abstract: The invention relates to a material that can be used for magnetic refrigeration, wherein the material substantially has the general formula (AYB1-Y)2+?CWDXEZ Wherein: A is selected from Mn and Co; B is selected from Fe and Cr; of C, D and E at least two are different, have a non-vanishing concentration and are selected from P, B. Se, Ge, Ga, Si, Sn and Sb; wherein at least one of C, D and E is Ge or Si; W, X, Y and Z each is a number in the range 0-1, and W+X+Z=1; and?as a number from (?0.1)-(+0.1).Type: ApplicationFiled: January 29, 2003Publication date: June 8, 2006Applicants: Stichting voor de Technische Weteneschappen, Universiteit van Amsterdam, faculteit der natuurwetenschappen, Wiskunde en InformaticaInventors: Ekkehard Brück, Ojiyed Tegusi, Frank De Boer