Patents Assigned to Höganäs AB
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Patent number: 9855601Abstract: An iron-based powder metallurgical composition is provided comprising an iron or iron-based powder and composite lubricant particles, with the composite lubricant particles comprising a core of 10-60% by weight of at least one primary fatty acid amide having more than 18 and not more than 24 carbon atoms and 40-90% by weight of at least one fatty acid bisamide, with the core having nanoparticles of at least one metal oxide adhered thereon. Further provided is a particulate composite lubricant as well as a method of preparing such lubricant.Type: GrantFiled: November 25, 2009Date of Patent: January 2, 2018Assignee: HÖGANÄS AB (PUBL)Inventors: Åsa Ahlin, Anna Ahlquist, Karin Olsson
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Patent number: 9847164Abstract: An inductor core including a two separate inductor core components which, when assembled with each other, together form the inductor core and define a common axis; wherein the inductor core components form at least one magnetic flux barrier, the magnetic flux barrier having a width in the circumferential direction relative to the common axis; wherein the width is adjustable by rotating the inductor core components relative to each other around the common axis.Type: GrantFiled: December 10, 2013Date of Patent: December 19, 2017Assignee: HÖGANÄS AB (PUBL)Inventor: Lars-Olov Pennander
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Patent number: 9816164Abstract: An iron-boron alloy powder or an iron-boron alloy powder composition suitable for remediation of halogenated hydrocarbon polluted soil, water or groundwater as well as the use of the powder or powder composition. The boron-iron alloy powder suitable for remediation of polluted soil or waters may have 0.1-40% by weight of boron and inevitable impurities up to a content of 10% by weight. Further, a method for remediation of halogenated hydrocarbon polluted soil, water or groundwater.Type: GrantFiled: September 18, 2013Date of Patent: November 14, 2017Assignee: HÖGANÄS AB (PUBL)Inventors: Per-Olof Larsson, Sigurd Berg, Hilmar Vidarsson, Leen Bastiaens, Milica Limirovic
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Publication number: 20170275740Abstract: The present invention provides a low cost pre-alloyed iron based powder which has high compressibility, capable of rendering a compacted and sintered component high green density, (GD), and high sintered density, (SD). Also, a method or process for producing components, especially gears, including compaction of powder mixture containing the pre-alloyed iron-based powder, sintering of the compacted component, Low Pressure carburizing, (LPC), High Pressure Gas Quenching, (HPGQ), and tempering, is provided. In one embodiment, the process includes high temperature sintering. Other aspects of the present invention include a powder mixture containing the pre-alloyed iron based powder and components produced by the new process from the powder mixture. Such carburized components exhibit a hard surface combined with a softer and tougher core, necessary properties for e.g. automotive gears subjected to harsh environment.Type: ApplicationFiled: September 15, 2015Publication date: September 28, 2017Applicant: Höganäs AB (publ)Inventor: Ola BERGMAN
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Patent number: 9745648Abstract: The present invention concerns a new metal powder which is useful for coating cast iron parts. The invention also relates to a method for coating cast iron parts by using the new metal powder. Of special importance is the possibility to use the metal powder for coating the surfaces of glass moulds. The invention also relates to metal parts, such as cast iron parts, or glass moulds which are coated by the metal powder.Type: GrantFiled: June 13, 2014Date of Patent: August 29, 2017Assignee: HÖGANÄS AB (PUBL)Inventors: Peter Olsérius, Barbara Maroli
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Publication number: 20170081196Abstract: A process for manufacturing a compound in powder form, wherein said compound is the reaction product of (i) at least one metal and/or metalloid, and (ii) at least one further element that is more electronegative than the metal and/or metalloid, which process includes steps of: mixing at least one oxide of said at least one metal and/or metalloid with a reducing agent including Ca or Mg granules or powder, and/or calcium hydride or magnesium hydride in granule or powder form, to form a mixture; exposing the mixture to a source of said at least one further element; maintaining said mixture under a H2 atmosphere at a temperature of from 950° C. to 1500° C. for 1-10 hours; and, recovering said compound in powder form; wherein said at least one further element is selected from carbon, nitrogen, boron, silicon and mixtures thereof. A compound in powder form obtainable by such a process.Type: ApplicationFiled: March 20, 2015Publication date: March 23, 2017Applicant: HÖGANÄS AB (PUBL)Inventors: Gorgees ADAM, Hilmar VIDARSSON
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Publication number: 20160365193Abstract: The present disclosure relates to an inductor comprising a coil and a side wall. The side wall surrounds the coil, and comprises an outer portion of an inductor core and/or a shielding sleeve. The side wall comprises an opening providing an electrical connection of the coil. The opening is covered by a filling material, which fills the opening except for where the electrical connection passes.Type: ApplicationFiled: February 25, 2015Publication date: December 15, 2016Applicant: HÖGANÄS AB (PUBL)Inventor: Fredrik AF EKSTRÕM
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Publication number: 20160318103Abstract: The present invention concerns a method of making sintered components made from an iron-based powder composition and the sintered component per se. The method is especially suited for producing components which will be subjected to wear at elevated temperatures, consequently the components consists of a heat resistant stainless steel with hard phases including chromium carbo-nitrides. Examples of such components are parts in turbochargers for internal combustion engines.Type: ApplicationFiled: December 15, 2014Publication date: November 3, 2016Applicant: HÖGANÄ AB (PUBL)Inventors: Sven ALLROTH, Ola BERGMAN
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Publication number: 20160322139Abstract: The present invention concerns a composite iron-based powder mix suitable for soft magnetic applications such as inductor cores. The present invention also concerns a method for producing a soft magnetic component and the component produced by the method.Type: ApplicationFiled: December 18, 2014Publication date: November 3, 2016Applicant: HÖGANÄS AB (PUBL)Inventors: Zhou YE, Oskar LARSSON
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Publication number: 20160311019Abstract: The present invention concerns a composite iron-based powder suitable for soft magnetic applications such as inductor cores. The present invention also concerns a method for producing a soft magnetic component and the component produced by the method.Type: ApplicationFiled: December 19, 2014Publication date: October 27, 2016Applicant: HÖGANÄS AB (PUBL)Inventors: Zhou YE, Ann-Christin HELLSÉN
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Publication number: 20160288270Abstract: A method for producing brazing preforms including the steps of providing an iron-, iron and chromium-, nickel- or cobalt-based spherical brazing powder. Converting the brazing powder into an agglomerated coarser powder suitable to be compacted into desired preforms and ejecting the preforms from the compaction die, the preforms having integrity and strength enough to let them be handled in an automated brazing line. Optionally, after ejecting from the compaction die, the preforms may be heat treated or subjecting to a sintering process if higher strength is desired. Also, the preform per se and a brazing process utilising the brazing preform.Type: ApplicationFiled: November 20, 2014Publication date: October 6, 2016Applicant: HÖGANÄS AB (PUBL)Inventors: Per KNUTSSON, Christophe SZABO
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Publication number: 20160138144Abstract: The present invention concerns a new metal powder which is useful for coating cast iron parts. The invention also relates to a method for coating cast iron parts by using the new metal powder. Of special importance is the possibility to use the metal powder for coating the surfaces of glass moulds. The invention also relates to metal parts, such as cast iron parts, or glass moulds which are coated by the metal powder.Type: ApplicationFiled: June 13, 2014Publication date: May 19, 2016Applicant: HÖGANÄS AB (PUBL)Inventors: Peter OLSÉRIUS, Barbara MAROLI
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Publication number: 20160114392Abstract: A water-atomized iron-based powder is provided that is pre-alloyed with 0.75-1.1% by weight of Ni, 0.75-1.1% by weight of Mo and up to 0.45% by weight of Mn, and further including 0.5-3.0%, preferably 0.5-2.5% and most preferably 0.5-2.0% by weight of Cu, and inevitable impurities, the balance being Fe.Type: ApplicationFiled: January 4, 2016Publication date: April 28, 2016Applicant: HÖGANÄS AB (PUBL)Inventors: Sigurd BERG, Ulf ENGSTRÖM, Caroline LARSSON
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Publication number: 20160089724Abstract: A process for manufacturing metal containing powder, the process including the steps of: (a) mixing at least one metal oxide powder with Ca or Mg granules and/or calcium hydride in granule or powder form to form a mixture; (b) maintaining said mixture under an H2 atmosphere, at a temperature between 1000° C. and 1500° C. for 1-10 hours, followed by: (c) recovering metal containing powder. Metal hydride powder may be recovered. The process may further include between steps (b) and (c): (d) switching the H2 atmosphere to an Ar atmosphere and maintaining the mixture thereunder for a period of 20 minutes to 5 hours, followed by: (e) cooling under Ar atmosphere, wherein metal powder is recovered in step (c).Type: ApplicationFiled: May 21, 2014Publication date: March 31, 2016Applicant: HÖGANÄ AB (PUBL)Inventors: Gorgees ADAM, Hilmar VIDARSSON
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Publication number: 20160082410Abstract: A porous and permeable composite for treatment of contaminated fluids characterized in that said composite includes a body of iron particles and 0.01-10% by weight of at least one functional ingredient distributed and locked in the pores and cavities of the iron body. Also, methods of making a permeable porous composite for water treatment. Also, use of a permeable porous composite for reducing the content of contaminants in a fluid, wherein said fluid is allowed to pass through the permeable composite.Type: ApplicationFiled: November 25, 2015Publication date: March 24, 2016Applicant: HÖGANÄS ABInventor: Bo HU
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Publication number: 20160075572Abstract: An electrochemical cell containing a sacrificial electrode suitable for electrocoagulation as well as an electrocoagulation process for removing various pollutants from water or wastewater by the use of the electrochemical cell. Also, the sacrificial electrode itself. Several electrochemical cells can be coupled to an electrochemical cell assembly. Certain aspects and embodiments are especially suitable for reduction of fluoride or fluoride in combination with heavy metals such as hexavalent chromium or arsenic.Type: ApplicationFiled: May 9, 2014Publication date: March 17, 2016Applicant: HÖGANÄS AB (PUBL)Inventors: Madan TANDUKAR, Kyle UNGER, Paul ENDLER
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Publication number: 20160056671Abstract: A stator for a flux switching modulated pole machine, the stator including a stator core, a coil, and at least two permanent magnets, the stator core including at least four coaxial annular stator core members, each including a respective set of radially protruding teeth, the teeth of each annular stator core member being distributed along a circumferential direction, wherein the annular stator core members are axially displaced relative to each other, and wherein the teeth of each annular stator core member are circumferentially displaced relative to the teeth of each adjacent annular stator core member; wherein the coil is arranged coaxial with the annular stator core members and axially sandwiched between two of the sets of teeth; and wherein the permanent magnets are axially magnetized and axially sandwiched between two of the annular stator core members.Type: ApplicationFiled: March 25, 2014Publication date: February 25, 2016Applicant: HÖGANÄS AB (PUBL)Inventors: Glynn ATKINSON, Jamie WASHINGTON
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Publication number: 20140341771Abstract: An iron-based powder composition is provided comprising, in addition to an iron-based powder, a minor amount of a machinability improving additive comprising at least one silicate from the group of phyllosilicates. The technology further concerns the use of the machinability improving additive and a method for producing an iron-based sintered part having improved machinability.Type: ApplicationFiled: August 4, 2014Publication date: November 20, 2014Applicant: HÖGANÄS AB (PUBL)Inventors: Olof ANDERSSON, Bo HU
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Publication number: 20140145121Abstract: The present invention relates to a combustion method for producing a lithium insertion material for a cathode in a Li-ion battery, the material comprising iron, lithium, silicon, and carbon.Type: ApplicationFiled: June 7, 2012Publication date: May 29, 2014Applicant: HÖGANÄS AB (Publ)Inventors: Mohammed Dhabi, Torbjörn Gustafsson, Björn Skårman
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Patent number: D751036Type: GrantFiled: February 21, 2013Date of Patent: March 8, 2016Assignee: Höganäs ABInventors: Joakim Svensson, Hans Johansson Dahlskog