Patents Assigned to Miba Sinter Austria GmbH
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Patent number: 11872630Abstract: A method without a calibration step produces a camshaft adjuster including a stator, a rotor rotatable relative thereto and a control valve, wherein the rotor and/or the stator is or are produced according to a powder-metallurgical process, wherein the stator in the region of a fitting surface for contacting the camshaft and/or the rotor in the region of a fitting surface for contacting the camshaft and/or in the region of a fitting surface for contacting the control valve and/or the control valve in the region of a sealing surface is or are produced having a tolerance so that a clearance fit with a maximum clearance of 100 ?m is formed between the fitting surface for the camshaft and the camshaft and/or between the fitting surface for contacting the sealing surface of the control valve and the sealing surface of the control valve.Type: GrantFiled: January 11, 2021Date of Patent: January 16, 2024Assignee: Miba Sinter Austria GmbhInventors: Alexander Mueller, Karl Dickinger, Wolfgang Siessl
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Patent number: 11773913Abstract: A torque-transmitting clutch includes a first clutch element having a first base body and a first end face, a second clutch element, and a third clutch element having a third base body. In a closed position, the first and the second clutch elements are connectable in a positive locking and/or force-fit manner for transmitting torque, and in an open position, this positive locking and/or force-fit connection is released, and wherein the first clutch element is connectable to the third clutch element in a positive locking and/or force-fit manner. The first clutch element is produced according to a powder-metallurgical or an additive method and has at least one centering projection arranged on the first end face and extending towards the third clutch element to cooperate with and/or be accommodated with a centering recess in an end face in the third clutch element in a positive locking and/or force-fit manner.Type: GrantFiled: December 7, 2022Date of Patent: October 3, 2023Assignee: MIBA SINTER AUSTRIA GMBHInventor: Christian Kronberger
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Publication number: 20230235795Abstract: A torque-transmitting clutch includes a first clutch element having a first base body and a first end face, a second clutch element, and a third clutch element having a third base body. In a closed position, the first and the second clutch elements are connectable in a positive locking and/or force-fit manner for transmitting torque, and in an open position, this positive locking and/or force-fit connection is released, and wherein the first clutch element is connectable to the third clutch element in a positive locking and/or force-fit manner. The first clutch element is produced according to a powder-metallurgical or an additive method and has at least one centering projection arranged on the first end face and extending towards the third clutch element to cooperate with and/or be accommodated with a centering recess in an end face in the third clutch element in a positive locking and/or force-fit manner.Type: ApplicationFiled: December 7, 2022Publication date: July 27, 2023Applicant: Miba Sinter Austria GmbHInventor: Christian KRONBERGER
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Patent number: 11701744Abstract: A method for connecting a first component to a second component to form an assembly forms a press fit connection between the first component and the second component, for which purpose the second component is produced having an annular component section. A recess is formed, in which the first component is at least partially arranged. At least the annular component section of the second component is produced as a sintered component and has net shape or near net shape quality at least in the region of the recess.Type: GrantFiled: October 13, 2021Date of Patent: July 18, 2023Assignee: Miba Sinter Austria GmbHInventors: Dominik Kronberger, Markus Schauer, Karl Dickinger, Andreas Tiefenthaler
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Publication number: 20230184316Abstract: According to a method for pressing a green compact from a sintering powder for producing a gear having a first track and a second track, wherein a first helical toothing with a first helix angle and a first diameter is produced as the first track and a second helical toothing with a second helix angle and a second diameter is produced as the second track, the sintering powder is filled into a mold cavity of a die, and then the sintering powder is pressed to form the green compact with an upper stamp and a lower stamp, and wherein the first and the second helical toothings are produced having the same pitch height.Type: ApplicationFiled: November 22, 2022Publication date: June 15, 2023Applicant: Miba Sinter Austria GmbHInventors: David JOCHER, Christian KRONBERGER, Martin OHLER, Horst ROESSLER
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Patent number: 11629619Abstract: A camshaft adjuster is produced that includes a stator and a rotor, which is rotatable relative to the stator, wherein the stator and the rotor are produced with first planar surfaces on a first end face and with second planar surfaces on a second end face, which is formed to be opposite the first end face when viewed in an axial direction and wherein the rotor and/or the stator is or are produced according to a powder-metallurgical method, The first planar surfaces and the second planar surfaces of the stator and the rotor are ground or finished, and the lateral surface of the stator and the lateral surface of the rotor are left uncalibrated.Type: GrantFiled: July 16, 2021Date of Patent: April 18, 2023Assignee: Miba Sinter Austria GmbHInventors: Alexander Mueller, Markus Schauer, Karl Dickinger
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Patent number: 11598586Abstract: A heat transfer device includes a sleeve, which forms an interior in which a working medium and one vaporization element having structural elements, or multiple vaporization elements having structural elements, for converting at least part of the working medium from the liquid to the gaseous state are contained, wherein the vaporization element or the vaporization elements has or have a porosity, and is or are connected to the sleeve.Type: GrantFiled: September 7, 2021Date of Patent: March 7, 2023Assignee: Miba Sinter Austria GmbHInventors: Philipp Pichler, Franz-Josef Gielesberger, Raimund Ratzi, Samuel Wallner, Rene Hoesele
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Patent number: 11590571Abstract: The invention relates to a method for producing a sintered component comprising the steps: providing a metallic powder; filling the powder into a powder press; pressing the powder to form a green compact; removing the green compact from the powder press; sintering the green compact into a sintered component with pores; optional redensification of the sintered component; hardening of the sintered component, wherein the pores of the sintered component, prior to hardening at least in that region of the surface of the sintered component which is subjected to a hardening, are at least partially filled with a filling agent.Type: GrantFiled: October 1, 2020Date of Patent: February 28, 2023Assignee: Miba Sinter Austria GmbHInventors: Jose Correa Neto, Robert Hellein, Daniel Napoleao Rodrigues
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Patent number: 11536517Abstract: A method for producing a heat pipe includes the steps: providing a pipe-shaped casing element having a length and an interior; filling a powder with particles into the casing element to form a capillary structure in the casing element; connecting the particles of the powder to one another, wherein the interior enclosed by the casing element is filled with the powder partially or in its entirety at least across a partial area of the length of the casing element, and subsequently the connection of the particles of the powder to one another and preferably also to the casing element in a layer lying against the casing element is established from the outside by inductive heat generation.Type: GrantFiled: February 1, 2021Date of Patent: December 27, 2022Assignee: Miba Sinter Austria GmbHInventors: Philipp Pichler, Franz-Josef Gielesberger
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Publication number: 20220390000Abstract: A method for producing a sintered component, in particular an annular sintered component, with a toothing, having teeth with tooth roots, tooth tips and tooth flanks, includes the steps of pressing a powder to form a green compact, sintering the green compact, and hardening the sintered component, wherein after sintering, the tooth flanks and possibly the tooth tips are post-compacted and subsequently undergo post-processing by machining, and wherein a transition region between the tooth flanks and the tooth roots has an undercut design, and post-compaction of the tooth flanks is carried out only up to this transition region.Type: ApplicationFiled: May 10, 2022Publication date: December 8, 2022Applicant: Miba Sinter Austria GmbHInventors: Horst ROESSLER, Martin OHLER, Helmut AICHINGER, Alexander MUELLER
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Publication number: 20220379374Abstract: A method for marking a component by applying a marking into a surface of the component includes the following steps: providing a powder; producing a green compact from the powder by filling the powder into a mold and pressing the filled-in powder; applying a multi-dimensional code into/onto the surface of the green compact as a marking; sintering the green compact; optionally hardening the sintered green compact; wherein the multi-dimensional code is generated on a pressing surface of the green compact in one single step.Type: ApplicationFiled: May 9, 2022Publication date: December 1, 2022Applicant: Miba Sinter Austria GmbHInventors: Mario MITTERMAIR, Harald KAISER, Christian POINTNER
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Patent number: 11479843Abstract: A method for hardening a metal component includes the steps: hating the metal component to a first temperature between 750° C. and 1100° C.; increasing the carbon content in the metal component by applying a carbon donor gas to the metal component at the first temperature; cooling the metal component to a second temperature which is by 40° C. to 100° C. lower than the first temperature; increasing the nitrogen content in the metal component by applying a nitrogen donor gas to the metal component at the second temperature; cooling the metal component to ambient temperature, wherein a sintered component is used as the metal component and, after increasing the nitrogen content in the sintered component and prior to cooling the sintered component to ambient temperature, the sintered component is heated to a third temperature which is by 50° C. to 250° C. higher than the second temperature.Type: GrantFiled: August 23, 2021Date of Patent: October 25, 2022Assignee: Miba Sinter Austria GmbHInventors: Manuel Pohn, Markus Ludwig-Etzlstorfer
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Publication number: 20220281002Abstract: A device for producing a gear green compact from a powder includes a die, an upper stamp, and a lower stamp, wherein the die has at least one helical toothing on an inner lateral surface, which helical toothing extends only over a partial area of the circumference of the inner lateral surface, and which has a first helix angle, wherein, adjoining the first helical toothing in a circumferential direction, one toothed edge surface is formed on each side, both of which have a second helix angle, wherein at least one of the second helix angles of the die is unequal to the first helix angle of the helical toothing of the die.Type: ApplicationFiled: January 25, 2022Publication date: September 8, 2022Applicant: Miba Sinter Austria GmbHInventors: Christian KRONBERGER, Horst ROESSLER, Martin OHLER, Alexander MUELLER
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Patent number: 11398755Abstract: An axial-flow machine has a dimensionally stable assembly, a machine shaft, a rotor fastened on the machine shaft and provided with a rotor hub, permanent magnets disposed circularly around the machine shaft, an adhesive and a brace, which is disposed on the outer circumference of the rotor and encircles it in closed manner and which urges the permanent magnets with a radially inwardly directed tension force, and stators disposed on both sides of the rotor. The permanent magnets are seated on the rotor hub via first adhesive joints equipped with adhesive and adjoin one another via second adhesive joints equipped with adhesive, wherein the permanent magnets, the rotor hub, the brace and the adhesive form the dimensionally stable assembly, the radial and axial dimensional stability of which is determined substantially by the radial tension force of the brace on the permanent magnets.Type: GrantFiled: November 2, 2018Date of Patent: July 26, 2022Assignee: Miba Sinter Austria GmbHInventors: Christian Sandner, Dietmar Andessner, Ralf Kobler, Matthias Redl, Markus Naglstrasser
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Publication number: 20220152755Abstract: A method for connecting a first component to a second component to form an assembly forms a press fit connection between the first component and the second component, for which purpose the second component is produced having an annular component section. A recess is formed, in which the first component is at least partially arranged. At least the annular component section of the second component is produced as a sintered component and has net shape or near net shape quality at least in the region of the recess.Type: ApplicationFiled: October 13, 2021Publication date: May 19, 2022Applicant: Miba Sinter Austria GmbHInventors: Dominik KRONBERGER, Markus SCHAUER, Karl DICKINGER, Andreas TIEFENTHALER
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Publication number: 20220113093Abstract: A heat transfer device includes a sleeve, which forms an interior in which a working medium and one vaporization element having structural elements, or multiple vaporization elements having structural elements, for converting at least part of the working medium from the liquid to the gaseous state are contained, wherein the vaporization element or the vaporization elements has or have a porosity, and is or are connected to the sleeve.Type: ApplicationFiled: September 7, 2021Publication date: April 14, 2022Applicant: Miba Sinter Austria GmbHInventors: Philipp PICHLER, Franz-Josef GIELESBERGER, Raimund RATZI, Samuel WALLNER, Rene HOESELE
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Publication number: 20220074036Abstract: A method for hardening a metal component includes the steps: hating the metal component to a first temperature between 750° C. and 1100° C.; increasing the carbon content in the metal component by applying a carbon donor gas to the metal component at the first temperature; cooling the metal component to a second temperature which is by 40° C. to 100° C. lower than the first temperature; increasing the nitrogen content in the metal component by applying a nitrogen donor gas to the metal component at the second temperature; cooling the metal component to ambient temperature, wherein a sintered component is used as the metal component and, after increasing the nitrogen content in the sintered component and prior to cooling the sintered component to ambient temperature, the sintered component is heated to a third temperature which is by 50° C. to 250° C. higher than the second temperature.Type: ApplicationFiled: August 23, 2021Publication date: March 10, 2022Applicant: Miba Sinter Austria GmbHInventors: Manuel POHN, Markus LUDWIG-ETZLSTORFER
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Patent number: 11264866Abstract: A pump arrangement includes an axial-flow machine and a drive to convey fluid mounted in a housing. The axial-flow machine is formed by at least one first rotor having permanent magnets, a shaft connected to the first rotor and a stator arrangement with stator teeth distributed concentrically around the shaft axis circumferentially and axially separated from the first rotor by an air gap. The stator teeth have axially-opposite end portions and a tooth core therebetween wound with at least one coil winding. The second end portion, turned away from the first rotor, of each stator tooth forms a tooth root joined to a back plate. The first rotor is an eccentric disk and on the side away from the stator arrangement has an eccentric cam, radially spaced from the shaft axis, and rotatably and torque-transmittingly connected to the drive. An axial-flow machine and a compressor includes the pump arrangement.Type: GrantFiled: December 6, 2018Date of Patent: March 1, 2022Assignee: Miba Sinter Austria GmbHInventors: Gerold Stetina, Christian Sandner, Thomas Riedl, Dietmar Andessner
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Publication number: 20220056818Abstract: A camshaft adjuster is produced that includes a stator and a rotor, which is rotatable relative to the stator, wherein the stator and the rotor are produced with first planar surfaces on a first end face and with second planar surfaces on a second end face, which is formed to be opposite the first end face when viewed in an axial direction and wherein the rotor and/or the stator is or are produced according to a powder-metallurgical method, The first planar surfaces and the second planar surfaces of the stator and the rotor are ground or finished, and the lateral surface of the stator and the lateral surface of the rotor are left uncalibrated.Type: ApplicationFiled: July 16, 2021Publication date: February 24, 2022Applicant: Miba Sinter Austria GmbHInventors: Alexander MUELLER, Markus SCHAUER, Karl DICKINGER
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Publication number: 20220056819Abstract: A camshaft adjuster is produced that includes a stator and a rotor, which is rotatable relative to the stator, wherein the stator and the rotor are produced with first planar surfaces on a first end face and with second planar surfaces on a second end face, which is formed to be opposite the first end face when viewed in an axial direction; wherein the rotor and/or the stator is produced according to a powder-metallurgical method, wherein the first planar surfaces or the second planar surfaces of the stator and the rotor are ground or finished, and the respective other planar surfaces of the first and second planar surfaces of the stator and the rotor are calibrated and left unground.Type: ApplicationFiled: July 16, 2021Publication date: February 24, 2022Applicant: Miba Sinter Austria GmbHInventors: Mario MITTERMAIR, Karl DICKINGER