Patents Assigned to VTT
-
Patent number: 11504768Abstract: A method for producing hard metal powder suitable for manufacturing hard metal products including metal carbides and a binder is provided. An easy to carry out method that provides high quality hard metal powder includes: a) dissolving in water, water soluble raw materials and a binder source to form an aqueous solution, b) drying the aqueous solution to form a precursor powder having the raw materials homogenously distributed throughout the precursor powder, c) decomposing the precursor powder by heating the powder in an inert atmosphere to remove gas evolved in the decomposition of the raw materials, d) grinding the precursor powder and mixing it with a liquid media to produce a suspension, e) spray drying the suspension to agglomerate the precursor powder, and f) heat treating the agglomerated precursor powder to form a hard metal powder containing agglomerates of carbides evenly distributed and bonded to a metallic matrix.Type: GrantFiled: February 16, 2018Date of Patent: November 22, 2022Assignee: TEKNOLOGIAN TUTKIMUSKESKUS VTT OYInventors: Juha Lagerbom, Marjaana Karhu, Hanna-Mari Sinilehto, Ulla Kanerva
-
Patent number: 11506919Abstract: The invention relates to optical waveguide components, such as Faraday rotators and their manufacture Faraday rotators based on silicon waveguides are provided, where the waveguide has folded or wound sections that are parallel to an externally applied magnetic field.Type: GrantFiled: August 22, 2018Date of Patent: November 22, 2022Assignee: Teknologian tutkimuskeskus VTT OyInventors: Matteo Cherchi, Alexander Petrov, Dirk Jalas, Mikko Harjanne, Timo Aalto, Manfred Eich
-
Publication number: 20220364003Abstract: The invention relates to a method and an apparatus for purifying gas, wherein the gas which includes at least tars and/or undesired hydrocarbons is supplied to a catalytic treatment reactor which has at least one catalyst zone including at least one catalyst element with a catalyst, oxygen gas is fed into the catalyst element of the catalyst zone in the catalytic treatment reactor and is supplied through the catalyst element, the gas is arranged to flow to the catalyst zone and arranged to contact with the oxygen gas and the catalyst, and a purified gas is discharged from the catalytic treatment reactor. Further, the invention relates to the use of the method.Type: ApplicationFiled: October 7, 2020Publication date: November 17, 2022Applicant: TEKNOLOGIAN TUTKIMUSKESKUS VTT OYInventors: Esa KURKELA, Ilkka HILTUNEN
-
Publication number: 20220364984Abstract: A measuring apparatus for measuring a spectrum of a gaseous sample includes a tunable laser light source to provide an illuminating light beam, a sample cell with an inner surface to provide scrambled light that is transmitted through the gaseous sample, a detector to detect intensity of transmitted scrambled light and a pressure control system to maintain an absolute pressure of the gaseous sample smaller than 50 kPa inside the sample cell to reduce spectral widths of spectral features of the gaseous sample. The measuring apparatus measures spectral transmittance values of the sample by modulating the spectral position of the illuminating light, and detecting the intensity of the transmitted light at different spectral positions. The divergence of the illuminating light beam in a transverse direction is greater than 20° to cause multiple consecutive reflections of the scrambled light from the inner surface.Type: ApplicationFiled: October 8, 2020Publication date: November 17, 2022Applicant: Teknologian tutkimuskeskus VTT OyInventors: Teemu KÄÄRIÄINEN, Albert MANNINEN
-
Patent number: 11486900Abstract: A probe apparatus of a millimeter or submillimeter radio frequency band comprises transition layers having outermost layers on opposite surfaces of the probe apparatus. An internal transition cavity extends through the transition layers for guiding electromagnetic radiation within the probe apparatus. A probe layer disposed between the transition layers, the probe layer having a lateral transmission line for interacting with the electromagnetic radiation guided by the internal transmission cavity.Type: GrantFiled: May 22, 2018Date of Patent: November 1, 2022Assignee: TEKNOLOGIAN TUTKIMUSKESKUS VTT OYInventors: Vladimir Ermolov, Antti Lamminen, Jussi Säily, Tauno Vähä-Heikkilä, Pekka Rantakari
-
Patent number: 11479330Abstract: According to an example aspect of the present invention, there is provided a marine propulsion system (1) comprising a first portion (4) and a second portion (5) of a set of movable foils, a movement mechanism (2) coupled to the first portion (4) and the second portion (5) of the set of movable foils and configured to simultaneously control a motion of the first portion (4) and the second portion (5) of the set of foils along a closed first trajectory (6) comprising a first direction (17) and a second direction (18) which is different than the first direction (17), and a pitch mechanism (3) coupled to the first portion (4) and the second portion (5) of the set of movable foils and configured to control a pitch angle (?) of the first portion (4) and the second portion (5) of the set of movable foils, and wherein the pitch angle (?) of at least a part of the second portion (5) of the set of foils is dependent on an incoming fluid flow (vx), the motion of the second portion (5) of the set of foils, and a flow (vType: GrantFiled: October 17, 2017Date of Patent: October 25, 2022Assignee: Teknologian tutkimuskeskus VTT OyInventor: Antonio Sánchez-Caja
-
Patent number: 11476814Abstract: An improved transformer based switch for PALNA applications. The transformer based switch having an input single pole port and a circuit with at least one transformer and at least one switch configured to connect portions of the transformer to ground or to short the transformer. The primary side of the transformer being connected to the input port and the secondary side of the transformer being connected to an output port.Type: GrantFiled: December 11, 2018Date of Patent: October 18, 2022Assignee: Teknologian tukimuskeskus VTT OyInventors: Mikko Varonen, Jan Saijets, Jan Holmberg
-
Publication number: 20220301968Abstract: A semiconductor apparatus having a silicon substrate layer at least portion of which is doped with dopants of a conductivity type; and at least one insulator layer formed above the silicon substrate layer, wherein the at least one insulator layer and the dopants of the silicon substrate layer have opposite electric charges.Type: ApplicationFiled: June 8, 2022Publication date: September 22, 2022Applicant: Teknologian tutkimuskeskus VTT OyInventors: Heikki VILJANEN, Pekka RANTAKARI, Tauno VÄHÄ-HEIKKILÄ, Esa TUOVINEN
-
Patent number: 11446586Abstract: According to an example aspect of the present invention, there is provided a method for separating and purifying furan carboxylates from a crude reaction mixture comprising furans, by utilizing high vacuum distillation in a total heating environment.Type: GrantFiled: February 11, 2019Date of Patent: September 20, 2022Assignee: TEKNOLOGIAN TUTKIMUSKESKUS VTT OYInventors: David Thomas, Juha Linnekoski
-
Patent number: 11421042Abstract: According to an example aspect of the present invention, there is provided a use of molar mass controlled cellulose in injection molding, extrusion and three dimensional printing applications.Type: GrantFiled: February 12, 2018Date of Patent: August 23, 2022Assignee: Teknologian tutkimuskeskus VTT OyInventors: Pia Willberg-Keyriläinen, Jarmo Ropponen, Ali Harlin, Riku Talja
-
Patent number: 11409030Abstract: A masking device disposed over a display has a first viewing region, a second viewing region, a first operating mode, and a second operating mode, wherein in the first operating mode the masking device allows a first observer located in the first viewing region to observe information displayed on the display, and also allows a second observer located in the second viewing region to observe the displayed information, wherein in the second operating mode the masking device projects light to the second viewing region so as to prevent the second observer from observing the displayed information.Type: GrantFiled: October 26, 2021Date of Patent: August 9, 2022Assignee: Teknologian Tutkimuskeskus VTT OyInventors: Teemu Ruotsalainen, Asko Sneck, Tapio Mäkelä
-
Patent number: 11402272Abstract: An absorber structure for a thermal detector, the absorber structure including edges defining a basic form, a plurality of first legs of electrically conducting material joined in an electrically conductive manner to form, between the edges of the absorber structure, a grid having openings, the first legs forming at least one continuous connection between the edges of the absorber structure; and a plurality of second legs of electrically conducting material joined in an electrically conductive manner to the first legs, wherein the second legs protrude from the first legs into the openings of the grid and terminate at points of termination located at a distance from adjacent first legs.Type: GrantFiled: October 30, 2019Date of Patent: August 2, 2022Assignee: Teknologian tutkimuskeskus VTT OyInventors: Kirsi Tappura, Aapo Varpula, Mika Prunnila
-
Patent number: 11385049Abstract: An apparatus associated with an analysis of a thin film layer comprises two layer structures (100, 102) with a cavity (104) therebetween, and an opening (110) through one of the layer structures (102) to the cavity (104), the cavity (104) being configured to receive, through the opening (110), material used to form a thin film layer (900) inside the cavity (104). At least one of the two layer structures (100, 102) comprises at least one positional indicator (108) for an analysis associated with the thin film layer (900).Type: GrantFiled: April 25, 2017Date of Patent: July 12, 2022Assignee: TEKNOLOGIAN TUTKIMUSKESKUS VTT OYInventors: Riikka Puurunen, Feng Gao
-
Patent number: 11388815Abstract: A flexible electronic foil (1,1?,1?) comprising a flexible substrate (2) and at least one electrically conducive portion (3) arranged to the substrate (2). The foil (1,1?,1?) comprises mechanical fastening means (6,6?,7) for mechanical fastening of the electronic foil (1,1?,1?), the mechanical fastening means being part of the substrate (2) of the electronic foil (1,1?,1?).Type: GrantFiled: August 31, 2018Date of Patent: July 12, 2022Assignee: TEKNOLOGIAN TUTKIMUSKESKUS VTT OYInventors: Vesa Pentikäinen, Kimmo Jokelainen
-
Publication number: 20220214336Abstract: The present invention relates to the fields of life sciences, polypeptide analysis and polypeptide discovery methods. Also, the present invention concerns detection methods of target molecules in a sample. Specifically, the invention relates to a method of screening polypeptides capable of binding a target molecule and a method of analyzing or pretreating a sample. Also, the present invention relates to a kit for carrying out methods of the present invention as well as to a polypeptide, antibody or antigen binding fragment capable of binding target molecules screened or obtained by the method of the present invention.Type: ApplicationFiled: January 28, 2020Publication date: July 7, 2022Applicant: Teknologian tutkimuskeskus VTT OyInventors: Antti TULLILIA, Tarja NEVANEN, Henri AROLA, Heli NYGREN
-
Patent number: 11380600Abstract: A semiconductor apparatus having a silicon substrate layer at least portion of which is doped with dopants of a conductivity type; and at least one insulator layer formed above the silicon substrate layer, wherein the at least one insulator layer and the dopants of the silicon substrate layer have opposite electric charges.Type: GrantFiled: May 28, 2018Date of Patent: July 5, 2022Assignee: Teknologian tutkimuskeskus VTT OyInventors: Heikki Viljanen, Pekka Rantakari, Tauno Vähä-Heikkilä, Esa Tuovinen
-
Patent number: 11381220Abstract: Acoustic wave filter devices is disclosed. The device includes a piezoelectric layer, an input electrode and an output electrode located on a top surface of the piezoelectric layer and physically separated from one another, and a counter electrode having a top surface connected to a bottom surface of the piezoelectric layer. The input and output electrodes each include a base and at least one extension extending from the base. The at least one extension of the input electrode extending alongside and in a generally opposite direction to and separated by a gap width from an adjacent extension of the at least one extensions of the output electrode. In some embodiments, the at least one extension of the input or output electrodes has a width that can changes from a first end of the at least one extension to a second end.Type: GrantFiled: August 21, 2020Date of Patent: July 5, 2022Assignee: VTT Technical Research Centre of Finland LtdInventors: Tapani Makkonen, Tuomas Pensala, Markku Ylilammi
-
Patent number: 11371032Abstract: The present invention discloses a polypeptide having beta-glucosidase activity. The activity is retained also in high glucose concentration. The invention also discloses an isolated polynucleotide, a nucleic acid construct and a recombinant host usable in production of said polypeptide, and a method for producing the polypeptide. Further the invention discloses compositions including the polypeptide and method of using the polypeptide in hydrolysis or synthesis.Type: GrantFiled: June 4, 2019Date of Patent: June 28, 2022Assignee: Teknologian Tutkimuskeskus VTT OyInventors: Kaisa Marjamaa, Anu Koivula, Nina Aro, Tiina Pakula
-
Patent number: 11374551Abstract: The invention relates to an acoustically coupled thin-film BAW filter, comprising a piezoelectric layer, an input-port on the piezoelectric layer changing electrical signal into an acoustic wave (SAW, BAW), and an output-port on the piezoelectric layer changing acoustic signal into electrical signal. In accordance with the invention the ports include electrodes positioned close to each other, and the filter is designed to operate in first order thickness-extensional TE1 mode.Type: GrantFiled: August 31, 2020Date of Patent: June 28, 2022Assignee: Teknologian tutkimuskeskus VTT OyInventors: Johanna Meltaus, Tuomas Pensala
-
Publication number: 20220184700Abstract: Sensor construction (1), which construction comprises a sensor (2), wherein the sensor construction (1) comprises a heat insulating material cover (3) for embedding the sensor construction inside metal material of a component (10), inside which heat insulating material cover the sensor is located, and which heat insulating material cover comprises a level surface section for correct positioning of the sensor construction inside the component during powder bed fusion additive manufacturing process of the component, and a hole (4) extending as a substantially straight channel from the outer surface of the heat insulating material cover to the sensor inside the heat insulating material cover. The invention also relates to a method for manufacturing an article with such a sensor construction (1) embedded.Type: ApplicationFiled: April 3, 2020Publication date: June 16, 2022Applicant: TEKNOLOGIAN TUTKIMUSKESKUS VTT OYInventors: Risto KUIVANEN, Pasi PUUKKO, Antti VAAJOKI, Kimmo RUUSUVUORI, Alejandro REVUELTA