Patents by Inventor Søren Linderoth
Søren Linderoth 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: 9979030Abstract: A strip product consists of a metallic substrate, such as stainless steel, and a coating, which in turn comprises at least one metallic layer and one reactive layer. The coated strip product is produced by providing the different layers, preferably by coating, and thereafter oxidizing the coating to accomplish a conductive surface layer comprising perovskite and/or spinel structure.Type: GrantFiled: July 10, 2014Date of Patent: May 22, 2018Assignee: Sandvik Intellectual Property ABInventors: Mikael Schuisky, Finn Petersen, Niels Christiansen, Joergen Gutzon Larsen, Soeren Linderoth, Lars Mikkelsen
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Patent number: 9496576Abstract: The present invention relates to a thin and in principle unsupported solid oxide cell, comprising at least a porous anode layer, an electrolyte layer and a porous cathode layer, wherein the anode layer and the cathode layer comprise an electrolyte material, at least one metal and a catalyst material, and wherein the overall thickness of the thin reversible cell is about 150 ?m or less, and to a method for producing same. The present invention also relates to a thin and in principle unsupported solid oxide cell, comprising at least a porous anode layer, an electrolyte layer and a porous cathode layer, wherein the anode layer and the cathode layer comprise an electrolyte material and a catalyst material, wherein the electrolyte material is doper zirconia, and wherein the overall thickness of the thin reversible cell is about 150 ?m or less, and to a method for producing same.Type: GrantFiled: November 23, 2007Date of Patent: November 15, 2016Assignee: Technical University of DenmarkInventors: Peter Halvor Larsen, Soeren Linderoth, Peter Vang Hendriksen
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Publication number: 20160273811Abstract: The present disclosure relates to a cooling system comprising an active magnetic regenerator having a cold side and a hot side, a hot side heat exchanger connected to the hot side of the magnetic regenerator, one or more cold side heat exchangers, and a cold store reservoir comprising a volume of heat transfer fluid and connected between said one or more cold side heat exchangers and the cold side of the magnetic regenerator, wherein the cooling system is configured to provide a first flow cycle of said heat transfer fluid between the cold store reservoir, the magnetic regenerator and the hot side heat exchanger adapted to transfer thermal energy from the cold store reservoir to the hot side heat exchanger, and at least a second flow cycle of said heat transfer fluid between the cold store reservoir and said one or more cold side heat exchangers adapted to transfer thermal energy from said one or more cold side heat exchangers to the cold store reservoir.Type: ApplicationFiled: November 17, 2014Publication date: September 22, 2016Inventors: Anders Smith, Christian Bahl, Søren Linderoth
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Patent number: 9263758Abstract: A reversible SOFC monolithic stack is provided which comprises: 1) a first component which comprises at least one porous metal containing layer (1) with a combined electrolyte and sealing layer on the porous metal containing layer (1); wherein the at least one porous metal containing layer (1) hosts an electrode; 2) a second component comprising at least one porous metal containing layer (1) with a combined interconnect and sealing layer on the porous metal containing layer; wherein the at least one porous metal containing layers hosts an electrode. Further provided is a method for preparing a reversible solid oxide fuel cell stack. The obtained solid oxide fuel cell stack has improved mechanical stability and high electrical performance, while the process for obtaining same is cost effective.Type: GrantFiled: August 31, 2006Date of Patent: February 16, 2016Assignee: Technical University of DenmarkInventors: Peter Halvor Larsen, Anders Smith, Mogens Mogensen, Soeren Linderoth, Peter Vang Hendriksen
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Patent number: 9156190Abstract: The present invention provides a method for sintering, comprising in the following order the steps of: providing a body in the green state or in the pre-sintered state on a support; providing a load on at least one spacer on the support such that the load is located above said body in the green state or in the pre-sintered state without contacting the body; heat treating the body in the green state or in the pre-sintered state at a temperature above the decomposition temperature of organic components contained in the green body and below the softening temperature or decomposition temperature of the spacer; heat treating the body in the green state or in the pre-sintered state at a temperature above the softening point or decomposition temperature of the spacer and below a sintering temperature such that the load contacts the body, and—sintering the body in the green state or pre-sintered state.Type: GrantFiled: June 30, 2011Date of Patent: October 13, 2015Assignee: Technical University of DenmarkInventor: Søren Linderoth
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Patent number: 9095508Abstract: Example embodiments relate to a composite material exhibiting a low or even negligible volumetric shrinkage upon curing, or even a small expansion (e.g. up to 0.5%), in particular composite materials in the form of dental filling materials. Example embodiments also relate to a method of controlling volumetric shrinkage of a composite material upon curing, and to a method of reconstructing a tooth. Example embodiments also relate to ultrasonic curing of dental filling materials. Example embodiments further relate to a population of zirconia particles and methods for preparing such zirconia particles (e.g. zirconia in the tetragonal phase or zirconia in the cubic phase). The martensitic transformation of the filler ingredients is, e.g., triggered by application of ultrasound or by a chemical trigger.Type: GrantFiled: February 28, 2011Date of Patent: August 4, 2015Assignee: APROXI APSInventors: Alexander Van Lelieveld, Kristoffer Almdal, Søren Linderoth, Bent Sørensen
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Patent number: 9077021Abstract: The present invention provides a solid oxide cell comprising a support layer, a first electrode layer, an electrolyte layer, and a second cathode layer, wherein at least one of the electrode layers comprises electrolyte material, a catalyst and agglomerated particles selected from the group consisting of alkali oxides, earth alkali oxides and transition metal oxides.Type: GrantFiled: August 29, 2008Date of Patent: July 7, 2015Assignee: Technical University of DenmarkInventors: Peter Halvor Larsen, Mogens Mogensen, Peter Vang Hendriksen, Søren Linderoth, Ming Chen
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Publication number: 20150079498Abstract: A strip product consists of a metallic substrate, such as stainless steel, and a coating, which in turn comprises at least one metallic layer and one reactive layer. The coated strip product is produced by providing the different layers, preferably by coating, and thereafter oxidizing the coating to accomplish a conductive surface layer comprising perovskite and/or spinel structure.Type: ApplicationFiled: July 10, 2014Publication date: March 19, 2015Applicant: Sandvik Intellectual Property ABInventors: Mikael Schuisky, Finn Petersen, Niels Christiansen, Joergen Gutzon Larsen, Soeren Linderoth, Lars Mikkelsen
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Publication number: 20150056535Abstract: A multi-layer coating for protection of metals and alloys against oxidation at high temperatures is provided. The invention utilizes a multi-layer ceramic coating on metals or alloys for increased oxidation-resistance, comprising at least two layers, wherein the first layer (3) and the second layer (4) both comprise an oxide, and wherein the first layer (3) has a tracer diffusion coefficient for cations Mm+, where M is the scale forming element of the alloy, and the second layer (4) has a tracer diffusion coefficient for oxygen ions O2? satisfying the following formula: ? ln ? ? p ? ( O 2 ) in ln ? ? p ? ( O 2 ) ex ? ( D O + m 2 ? D M ) ? ? ? ln ? ? p ? ( O 2 ) < 5 · 10 - 13 ? cm 2 ? / ? s wherein p(O2)in, p(O2)ex, DM, and DO are as defined herein.Type: ApplicationFiled: September 8, 2014Publication date: February 26, 2015Inventors: Peter Vang Hendriksen, Lars Mikkelsen, Peter Halvor Larsen, Soeren Linderoth, Mogens Mogensen
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Patent number: 8945782Abstract: The present invention provides a method of producing a multilayer barrier structure in a solid oxide cell stack, comprising the steps of: —providing a metal interconnect; —applying a first metal oxide layer on said metal interconnect; —applying a second metal oxide layer on top of said first metal oxide layer; —applying a third metal oxide layer on top of said second metal oxide layer; —forming a solid oxide cell stack comprising said metal interconnect having said metal oxide layers thereon; and —reacting the metal oxide in said first metal oxide layer with the metal of said metal interconnect during the SOC-stack initialization, and a solid oxide stack comprising an anode contact layer and support structure, an anode layer, an electrolyte layer, a cathode layer, a cathode contact layer, a metallic interconnect, and a multilayer barrier structure which is obtainable by the above method and through an initialization step, which is carried out under controlled conditions for atmosphere composition and currentType: GrantFiled: November 13, 2007Date of Patent: February 3, 2015Assignees: Technical University of Denmark, Topsoe Fuel Cell A/SInventors: Karsten Agersted Nielsen, Søren Linderoth, Peter Vang Hendriksen, Åsa Persson, Lars Mikkelsen, Niels Christiansen, Jørgen Gutzon Larsen
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Patent number: 8894944Abstract: The present invention provides a membrane, comprising in this order a first catalyst layer, an electronically and ionically conducting layer having a nanosized microstructure, and a second catalyst layer, characterized in that the electronically and ionically conducting layer is formed from an electrolyte material, a grain growth inhibitor and/or grain boundary modifier, and a method for producing same.Type: GrantFiled: August 29, 2008Date of Patent: November 25, 2014Assignee: Technical University of DenmarkInventors: Peter Halvor Larsen, Søren Linderoth
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Patent number: 8859116Abstract: A multi-layer coating for protection of metals and alloys against oxidation at high temperatures is provided. The invention utilizes a multi-layer ceramic coating on metals or alloys for increased oxidation-resistance, comprising at least two layers, wherein the first layer (3) and the second layer (4) both comprise an oxide, and wherein the first layer (3) has a tracer diffusion coefficient for cations Mm+, where M is the scale forming element of the alloy, and the second layer (4) has a tracer diffusion coefficient for oxygen ions O2? satisfying the following formula: ? ln ? ? p ? ( O 2 ) in ln ? ? p ? ( O 2 ) ex ? ( D O + m 2 ? D M ) ? ? ? ln ? ? p ? ( O 2 ) < 5 · 10 - 13 ? ? cm 2 / s wherein p(O2)in, p(O2)ex, DM and DO are as defined herein.Type: GrantFiled: April 24, 2007Date of Patent: October 14, 2014Assignee: Technical University of DenmarkInventors: Peter Vang Hendriksen, Lars Mikkelsen, Peter Halvor Larsen, Soeren Linderoth, Mogens Mogensen
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Patent number: 8846211Abstract: A strip product consists of a metallic substrate, such as stainless steel, and a coating, which in turn comprises at least one metallic layer and one reactive layer. The coated strip product is produced by providing the different layers, preferably by coating, and thereafter oxidizing the coating to accomplish a conductive surface layer comprising perovskite and/or spinel structure.Type: GrantFiled: November 21, 2005Date of Patent: September 30, 2014Assignee: Sandvik Intellectual Property ABInventors: Mikael Schuisky, Finn Petersen, Niels Christiansen, Joergen Gutzon Larsen, Soeren Linderoth, Lars Mikkelsen
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Publication number: 20130106032Abstract: The present invention provides a method for sintering, comprising in the following order the steps of: providing a body in the green state or in the pre-sintered state on a support; providing a load on at least one spacer on the support such that the load is located above said body in the green state or in the pre-sintered state without contacting the body; heat treating the body in the green state or in the pre-sintered state at a temperature above the decomposition temperature of organic components contained in the green body and below the softening temperature or decomposition temperature of the spacer; heat treating the body in the green state or in the pre-sintered state at a temperature above the softening point or decomposition temperature of the spacer and below a sintering temperature such that the load contacts the body, and—sintering the body in the green state or pre-sintered state.Type: ApplicationFiled: June 30, 2011Publication date: May 2, 2013Applicant: Technical University of DenmarkInventor: Søren Linderoth
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Publication number: 20130025292Abstract: A reversible SOFC monolithic stack is provided which comprises: 1) a first component which comprises at least one porous metal containing layer (1) with a combined electrolyte and sealing layer on the porous metal containing layer (1); wherein the at least one porous metal containing layer (1) hosts an electrode; 2) a second component comprising at least one porous metal containing layer (1) with a combined interconnect and sealing layer on the porous metal containing layer; wherein the at least one porous metal containing layers hosts an electrode. Further provided is a method for preparing a reversible solid oxide fuel cell stack. The obtained solid oxide fuel cell stack has improved mechanical stability and high electrical performance, while the process for obtaining same is cost effective.Type: ApplicationFiled: July 27, 2012Publication date: January 31, 2013Applicant: TECHNICAL UNIVERSITY OF DENMARKInventors: Peter Halvor Larsen, Anders Smith, Mogens Mogensen, Soeren Linderoth, Peter Vang Hendriksen
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Patent number: 8039175Abstract: The present invention provides a method for producing a multilayer structure, comprising the steps of: providing a composition comprising a Fe—Cr alloy powder and at least one of the oxides of Fe, Cr, Ni, Co, Zn, Cu; forming a first layer of said composition; forming at least one additional layer on one side of said first layer; heat treating said layers in an oxygen-containing atmosphere; and sintering in a reducing atmosphere so as to provide a final alloy, wherein the amount of Fe in the final alloy of the first layer after the sintering step is in the range of from about 50-90% by weight, based on the total weight of the final alloy.Type: GrantFiled: January 12, 2006Date of Patent: October 18, 2011Assignee: Technical University of DenmarkInventors: Søren Linderoth, Peter Halvor Larsen
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Publication number: 20110198216Abstract: The present invention provides a solid oxide cell comprising a support layer, a first electrode layer, an electrolyte layer, and a second cathode layer, wherein at least one of the electrode layers comprises electrolyte material, a catalyst and agglomerated particles selected from the group consisting of alkali oxides, earth alkali oxides and transition metal oxides.Type: ApplicationFiled: August 29, 2008Publication date: August 18, 2011Applicant: TECHNICAL UNIVERSITY OF DENMARKInventors: Peter Halvor Larsen, Mogens Mogensen, Peter Vang Hendriksen, Søren Linderoth, Ming Chen
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Publication number: 20110176980Abstract: The present invention provides a membrane, comprising in this order a first catalyst layer, an electronically and ionically conducting layer having a nanosized microstructure, and a second catalyst layer, characterized in that the electronically and ionically conducting layer is formed from an electrolyte material, a grain growth inhibitor and/or grain boundary modifier, and a method for producing same.Type: ApplicationFiled: August 29, 2008Publication date: July 21, 2011Applicant: TECHNICAL UNIVERSITY OF DENMARKInventors: Peter Halvor Larsen, Søren Linderoth
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Publication number: 20110152400Abstract: Example embodiments relate to a composite material exhibiting a low or even negligible volumetric shrinkage upon curing, or even a small expansion (e.g. up to 0.5%), in particular composite materials in the form of dental filling materials. Example embodiments also relate to a method of controlling volumetric shrinkage of a composite material upon curing, and to a method of reconstructing a tooth. Example embodiments also relate to ultrasonic curing of dental filling materials. Example embodiments further relate to a population of zirconia particles and methods for preparing such zirconia particles (e.g. zirconia in the tetragonal phase or zirconia in the cubic phase). The martensitic transformation of the filler ingredients is, e.g., triggered by application of ultrasound or by a chemical trigger.Type: ApplicationFiled: February 28, 2011Publication date: June 23, 2011Inventors: Alexander Van Lelieveld, Kristoffer Almdal, Søren Linderoth, Bent Sørensen
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Publication number: 20110126550Abstract: A magnetocaloric refrigerator uses as a refrigerant a magnetocaloric refrigerant material of the perovskite structure containing lanthanum and also containing Ce, Pr and Nd which may be of the general formula: LalCecPrpNdnRErAaMnXxO3?? wherein: A is at least one of the alkaline earth metals X if present is at least one metal selected from the group consisting of Co, Mn, Fe, Ni, Zn, Cu, Al, V, Ir, Mo, W, Pd, Pt, Mg, Ru, Rh, Cr and Zr, RE if present is at least one lanthanide other than La, Ce, Pr and Nd, the ratio of (l+c+p+n+r+a):(l+x) is from about 1:0.95 to about 1:1.15, the ratio of (l+c+p+n+r):(a) is from about 5:4 to about 7:2, x is from 0 to about 1:0.15, and ?1<?<1.Type: ApplicationFiled: July 6, 2009Publication date: June 2, 2011Applicant: TECHNICAL UNIVERSITY OF DENMARKInventors: Søren Linderoth, Peter Vang Henriksen, Stinus Jeppesen