Patents Assigned to Hoganas AB (Publ)
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Publication number: 20160258044Abstract: A water atomized pre-alloyed iron-based steel powder which includes by weight-%: 0.4-2.0 Cr, 0.1-0.8 Mn, less than 0.1 V, less than 0.1 Mo, less than 0.1 Ni, less than 0.2 Cu, less than 0.1 C, less than 0.25 O, less than 0.5 of unavoidable impurities, and the balance being iron.Type: ApplicationFiled: May 16, 2016Publication date: September 8, 2016Applicant: HOGANAS AB (PUBL)Inventors: Ola LITSTRÖM, Sven BENGTSSON, Robert FRYKHOLM, Ola Bergman
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Patent number: 9393617Abstract: 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: GrantFiled: August 4, 2014Date of Patent: July 19, 2016Assignee: HOGANAS AB (PUBL)Inventors: Olof Andersson, Bo Hu
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Patent number: 9397332Abstract: 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: GrantFiled: June 7, 2012Date of Patent: July 19, 2016Assignee: HOGANAS AB (PUBL)Inventors: Mohammed Dhabi, Torbjörn Gustafsson, Björn Skårman
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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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Patent number: 9314848Abstract: An iron-based powder composition for metal injection molding having an average particle size of 20-60 ?m, and having 99% of the particles less than 120 ?m wherein the iron-based powder composition includes, by weight percent of the iron-based powder composition: Mo: 0.3-1.6, P: 0.1-0.6, optionally Cu: up to 3.0, optionally Si: up to 0.6, optionally Cr: up to 5, optionally, unavoidable impurities: up to 1.0, whereof carbon is less than 0.1, the balance being iron, and wherein the sum of Mo and 8*P content is within the range of 2-4.7.Type: GrantFiled: December 29, 2011Date of Patent: April 19, 2016Assignee: HOGANAS AB (PUBL)Inventor: Anna Larsson
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Patent number: 9318254Abstract: Inductor core including: a base core portion having a first surface and an opposite second surface; an inner core portion extending from the first surface in a direction transverse to the first surface; an outer core portion extending, in the direction transverse to the first surface, from the first surface to an end surface of the outer core portion, the outer core portion at least partly surrounding the inner core portion, thereby forming a space around the inner core portion for accommodating a winding; wherein the first surface includes a recess for accommodating a connection portion of the winding, said recess extending at least a part of a distance between the inner core portion and the outer core portion, and wherein the outer core portion presents a slit extending from said end surface towards the recess, and wherein the second surface comprises a first protrusion oppositely arranged to the recess.Type: GrantFiled: May 2, 2012Date of Patent: April 19, 2016Assignee: HOGANAS AB (PUBL)Inventors: Ola Andersson, Mats Larsson, Peter Rauch
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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: 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: 20150348698Abstract: The inductor core has a higher magnetic permeability than air, and includes an endless channel adapted for containing an inductor winding, where the inductor core extends along a first axis A, and the inductor winding extends completely around the first axis A of the inductor core in such a way that the inductor winding has a number of discrete positions or first sections where it extends in a direction being perpendicular to the first axis A of the inductor core, and wherein the inductor winding, between the discrete positions or first sections, has second sections where it extends at least partly along the first axis A.Type: ApplicationFiled: December 10, 2013Publication date: December 3, 2015Applicant: HOGANAS AB (PUBL)Inventor: Lars-Olov PENNANDER
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Publication number: 20150340147Abstract: 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: ApplicationFiled: December 10, 2013Publication date: November 26, 2015Applicant: HOGANAS AB (PUBL)Inventor: Lars-Olov PENNANDER
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Patent number: 9193011Abstract: An iron-chromium based brazing filler metal is provided which exhibits an excellent wetting behavior on a stainless steel base material. The brazing filler metal produces a brazed joint which exhibits high strength and good corrosion resistance. The brazing filler metal is suitable for brazing stainless steel and other materials where corrosion resistance and high strength is required. Typical examples of applications are heat exchangers and catalytic converters. The iron-chromium based brazing filler metal powder according to the invention comprises: between 11 and 35 wt % chromium, between 0 and 30 wt % nickel, between 2 and 20 wt % copper, between 2 and 6 wt % silicon, between 4 and 8 wt % phosporous, between 0-10 wt % manganese, and at least 20 wt % iron.Type: GrantFiled: March 16, 2009Date of Patent: November 24, 2015Assignee: HOGANAS AB (PUBL)Inventors: Owe Mårs, Ulrika Persson
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Publication number: 20150307968Abstract: A new pre-alloyed metal based powder, intended to be used in surface coating of metal parts. The powder is deposited using e.g. laser cladding or plasma transfer arc welding (PTA), or thermal spray (e.g. HVOF). The powder is useful for reducing friction and improving wear reducing properties of the deposited coating. Such coatings may also improve machinability. As friction or wear reducing component, inclusions of manganese sulphide or tungsten sulphide in the pre-alloyed powder may be used.Type: ApplicationFiled: December 12, 2013Publication date: October 29, 2015Applicant: HOGANAS AB (publ)Inventors: Owe MARS, Senad DIZDAR, Philippe SZABO, Thierry CALMES
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Patent number: 9153368Abstract: A composite iron-based powder suitable for soft magnetic applications such as inductor cores. Also, a method for producing a soft magnetic component and the component produced by the method.Type: GrantFiled: December 19, 2011Date of Patent: October 6, 2015Assignee: HOGANAS AB (PUBL)Inventors: Zhou Ye, Hanna Staffansson
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Patent number: 9145598Abstract: A water atomized stainless steel powder which comprises by weight-%: 10.5-30.0 Cr 0.5-9.0 Ni 0.01-2.0 Mn 0.01-3.0 Sn 0.1-3.0 Si 0.01-0.4 N optionally max 7.0 Mo optionally max 7.0 Cu optionally max 3.0 Nb optionally max 6.0 V balance iron and max 0.5 of unavoidable impurities.Type: GrantFiled: October 14, 2010Date of Patent: September 29, 2015Assignee: HOGANAS AB (PUBL)Inventor: Denis Oshchepkov
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Patent number: 9130425Abstract: A pole piece structure is provided to be used as part of an active rotor structure for an electrical rotary machine, wherein the active rotor structure is circular comprising pole pieces and permanent magnets magnetized in the circumferential direction of the rotor structure, wherein the rotor pole piece structure is a single structure with at least two individually spaced pole pieces connected by an integration bridge. Further provided is a method of manufacturing a rotor pole piece structure and a rotor for an electrical machine with a rotor pole piece structure. The assembly of magnets to the pole pieces is significantly enhanced using these rotor pole piece structures as described.Type: GrantFiled: March 18, 2009Date of Patent: September 8, 2015Assignee: HOGANAS AB (PUBL)Inventors: Göran Nord, Lars-Olov Pennander, Alan G. Jack
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Publication number: 20150232967Abstract: 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: ApplicationFiled: September 18, 2013Publication date: August 20, 2015Applicant: HOGANAS AB (PUBL)Inventors: Per-Olof Larsson, Sigurd Berg, Hilmar Vidarsson, Leen Bastiaens, Milica Velimirovic
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Patent number: 8992659Abstract: A metal powder composition including: an iron or iron-based powder composition, and a lubricating combination including a substance A, a substance B, and a substance C; wherein: substance A is a polyolefin, substance B is chosen from a group of saturated and unsaturated fatty acid amides, saturated and unsaturated fatty acid bisamides, saturated fatty alcohols and fatty acid glycerols, and substance C is an amide oligomer having a molecular weight between 500 g/mol and 30 000 g/mol; and wherein the amounts of respective substances A, B and C in weight percent of the iron or iron-based powder composition are: 0.05?A+B<0.4 wt %, C?0.3 wt %, A+B+C?2.0 wt %, and the relation between substances A and B is: B/A>0.5. Also, a method of producing a metal powder composition and a method for producing a green component.Type: GrantFiled: September 1, 2010Date of Patent: March 31, 2015Assignee: Hoganas AB (Publ)Inventors: Mats Larsson, Karin Olsson, Hilmar Vidarsson
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Patent number: 8944205Abstract: A hub electric motor unit for a motor-driven or motor-assisted vehicle, the vehicle comprising a frame, a wheel having a hub and a wheel rim connected to the hub by a plurality of spokes; the hub electric motor unit comprising a shaft connectable to the frame of the vehicle, a stator unit mounted on the hub shaft, a rotor disposed around and coaxially with the hub shaft; a hub shell rotatably mounted on the hub shaft, wherein the hub shell comprises two cap members axially disposed on respective sides of the rotor; wherein each cap member comprises a connecting part for connecting a respective subset of the spokes.Type: GrantFiled: May 10, 2011Date of Patent: February 3, 2015Assignee: Hoganas AB (Publ)Inventors: Göran Nord, Lars-Olov Pennander