Patents by Inventor Tomas Larsson
Tomas Larsson 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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Publication number: 20170314197Abstract: The present invention relates to a process for the production of treated pulp comprising the steps of: i. providing a fibre source material; ii. subjecting the fibre source material to pre-hydrolysis; iii. subjecting the pre-hydrolysed fibre source material to alkaline chemical pulping process, preferably kraft pulping, to obtain an alkaline pulp; iv. optionally adjusting the pH of the obtained pulp to above pH 9; v. subjecting the alkaline pulp to a bleaching sequence comprising contacting the pulp with ozone (Z) in alkaline conditions to obtain a treated pulp. The invention also relates to a treated pulp obtained, textile fibres produced from the treated pulp, textile products comprising the textile fibres and to the use of the treated pulp.Type: ApplicationFiled: November 17, 2015Publication date: November 2, 2017Inventors: Elisabeth Bergnor, Peter Axegård, Tomas Larsson, Katarina Karlström
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Patent number: 9563666Abstract: Categorizing data sets obtained from a number of sources includes determining the frequency of appearance of symbols in a first collection of data sets and the frequency of appearance of symbols in a second collection of data sets, determining the most significant symbols for the second collection based on the frequency of appearance in the first collection and the frequency of appearance in the second collection, grouping the most significant symbols into groups according to their appearance in the same data set and ranking the data sets in relation to the symbol groups according to a ranking scheme. Related methods, devices, and/or computer program products are described.Type: GrantFiled: November 9, 2012Date of Patent: February 7, 2017Assignee: Kairos Future Group ABInventors: Tomas Larsson, Mats Lindgren
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Patent number: 9527611Abstract: An arrangement for manufacturing of portion packets of a product for oral use, includes a forming arrangement configured to form portion packets of a bulk material. The arrangement includes a device for placing the portion packets into a container, wherein the device includes a portion packet transporting unit and a portion packet positioning unit. The transporting unit is configured to transport individual portion packets to the positioning unit, and the positioning unit is configured to position the portion packets in a certain pattern during operation of the device. The transporting unit includes a product channel for transporting the portion packets, the product channel having an inlet and an outlet, the transporting unit further including a gas channel for connection to a source of pressurized gas, the gas channel arranged to, when connected to the source, guide pressurized gas into the product channel in a direction towards the product channel outlet.Type: GrantFiled: November 23, 2011Date of Patent: December 27, 2016Assignee: Swedish Match North Europe ABInventors: Lars-Olof Lofman, Thom Aspgren, Dennis Eriksson, Tomas Larsson
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Patent number: 9513650Abstract: The invention relates to a method in an electric power system including one or more power generation source(s) and a dynamic power compensator having a battery energy storage. The method includes the steps of: detecting a frequency disturbance within the electricity power system requiring an additional power generation source to be connected to the electricity power system in order to meet a power demand; and controlling the power output from the battery energy storage of the dynamic power compensator during start-up of the additional power generation source thereby limiting the frequency disturbance within the electric power system. The invention also relates to a controller, computer program, computer program products and electric power system.Type: GrantFiled: December 20, 2013Date of Patent: December 6, 2016Assignee: ABB Research Ltd.Inventors: Tomas Larsson, Richard Rivas, Stefan Thorburn, Marguerite Holmberg
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Patent number: 9487313Abstract: A device for placing portion packets of a product for oral use into a container includes a portion packet positioning unit configured to position the portion packets in relation to each other in the container, wherein the positioning unit includes a set of portion packet receiving compartments arranged in a certain pattern, each of the compartments having an entrance end allowing a portion packet to enter the compartment and, at an opposite side of the compartment, a retaining end preventing a portion packet from exiting the compartment in that direction. The positioning unit further includes a discharging member configured to discharge portion packets from the compartments to the container, wherein the compartments are associated with a supporting structure that retains the compartment pattern during operation of the device. A method an arrangement for placing portion packets of a product for oral use into a container using such device is described.Type: GrantFiled: November 23, 2011Date of Patent: November 8, 2016Assignee: Swedish Match North Europe ABInventors: Thom Aspgren, Lars-Olof Lofman, Dennis Eriksson, Tomas Larsson
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Patent number: 8937798Abstract: A method of controlling a magnitude of an electrical parameter in a power system via a high voltage electron tube. The method includes the steps of measuring the magnitude of the electrical parameter; generating a control signal based on the magnitude of the electrical parameter and on a reference magnitude of the electrical parameter; and switching the high voltage electron tube via the control signal such that the reference magnitude of the electrical parameter is essentially obtained. A control arrangement and a power system is also presented.Type: GrantFiled: October 29, 2013Date of Patent: January 20, 2015Assignee: ABB Technology AGInventors: Falah Hosini, Tomas Jonsson, Tomas Larsson, Mauro Monge, Jean-Philippe Hasler
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Patent number: 8890491Abstract: A high voltage dc power source for providing a charging current to an electronic device, including one or more strings connected in parallel, each string being subdivided into dc power source units connected in series and each string being provided with a solid-state switch configured to connect and disconnect the string, and a control unit adapted to turn on and turn off the solid-state switch, and the control unit is configured, upon receiving an order to connect the string, to control the switch of the string to be alternately turned on and off so that a soft charging of the electronic device is achieved.Type: GrantFiled: July 18, 2013Date of Patent: November 18, 2014Assignee: ABB Technology AGInventors: Tomas Larsson, Falah Hosini
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Publication number: 20140297659Abstract: Categorizing data sets obtained from a number of sources includes determining the frequency of appearance of symbols in a first collection of data sets and the frequency of appearance of symbols in a second collection of data sets, determining the most significant symbols for the second collection based on the frequency of appearance in the first collection and the frequency of appearance in the second collection, grouping the most significant symbols into groups according to their appearance in the same data set and ranking the data sets in relation to the symbol groups according to a ranking scheme. Related methods, devices, and/or computer program products are described.Type: ApplicationFiled: November 9, 2012Publication date: October 2, 2014Applicant: Kairos Future Group ABInventors: Tomas Larsson, Mats Lindgren
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Patent number: 8829716Abstract: An energy storage device for a power compensator including a battery stack including a plurality of battery units connected in series, each of the battery units including one or more parallel-connected battery modules including a plurality of battery cells, where each battery unit further includes a bypass switch connected in parallel with the battery modules and the energy storage device comprises a control unit which is operatively connected to the bypass switches and adapted to receive information on a failure in any of the battery modules and to close the bypass switch in order to bypass the battery unit in case of a failure in any of the battery modules of the battery unit.Type: GrantFiled: October 26, 2012Date of Patent: September 9, 2014Assignee: ABB Technology AGInventors: Fredrik Tinglow, Falah Hosini, Tomas Larsson
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Patent number: 8775835Abstract: A method in a controller controlling a dynamic power compensator. The dynamic power compensator is arranged to provide active and reactive power to an electric power system, the dynamic power compensator including a battery energy storage. The method includes the steps of: monitoring a state of charge of the battery energy storage; detecting a voltage level in the electric power system requiring increased delivery of the reactive power to the electric power system; and controlling the battery energy storage in dependence on the monitored state of charge and detected voltage level. The invention also relates to a controller, computer programs and computer program products.Type: GrantFiled: November 1, 2013Date of Patent: July 8, 2014Assignee: ABB Research Ltd.Inventors: Tomas Larsson, Karin Thorburn, Stefan Thorburn
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Publication number: 20140114495Abstract: The invention relates to a method in an electric power system including one or more power generation source(s) and a dynamic power compensator having a battery energy storage. The method includes the steps of: detecting a frequency disturbance within the electricity power system requiring an additional power generation source to be connected to the electricity power system in order to meet a power demand; and controlling the power output from the battery energy storage of the dynamic power compensator during start-up of the additional power generation source thereby limiting the frequency disturbance within the electric power system. The invention also relates to a controller, computer program, computer program products and electric power system.Type: ApplicationFiled: December 20, 2013Publication date: April 24, 2014Inventors: Tomas Larsson, Richard Rivas, Stefan Thorburn, Marguerite Holmberg
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Publication number: 20140055116Abstract: A method of controlling a magnitude of an electrical parameter in a power system via a high voltage electron tube. The method includes the steps of measuring the magnitude of the electrical parameter; generating a control signal based on the magnitude of the electrical parameter and on a reference magnitude of the electrical parameter; and switching the high voltage electron tube via the control signal such that the reference magnitude of the electrical parameter is essentially obtained. A control arrangement and a power system is also presented.Type: ApplicationFiled: October 29, 2013Publication date: February 27, 2014Inventors: Falah Hosini, Tomas Jonsson, Tomas Larsson, Mauro Monge, Jean-Philippe Hasler
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Publication number: 20140059373Abstract: A method in a controller controlling a dynamic power compensator. The dynamic power compensator is arranged to provide active and reactive power to an electric power system, the dynamic power compensator including a battery energy storage. The method includes the steps of: monitoring a state of charge of the battery energy storage; detecting a voltage level in the electric power system requiring increased delivery of the reactive power to the electric power system; and controlling the battery energy storage in dependence on the monitored state of charge and detected voltage level. The invention also relates to a controller, computer programs and computer program products.Type: ApplicationFiled: November 1, 2013Publication date: February 27, 2014Inventors: Tomas Larsson, Karin Thorburn, Stefan Thorburn
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Patent number: 8633614Abstract: Storage device for a high voltage electrical power including at least two modules connected in series, each module including at least one dc power-source in a container with positive and negative terminals. The device including positive and negative poles, first and second conductors arranged to form a current path between the poles, the first conductor including a plurality of conductor parts connected to the terminals of the modules to provide a series connection, a first module of the series being connected to one of the poles, and the second conductor is connected between a last module in the series and the other pole, wherein the conductors are arranged to pass through the containers in parallel such that a current flows through the first conductor in a first direction and through the second conductor in an opposite second direction.Type: GrantFiled: November 22, 2010Date of Patent: January 21, 2014Assignee: ABB Research Ltd.Inventors: Tomas Larsson, Fredrik Tinglöw, Georgios Demetriades, Willy Hermansson, Konstantinos Papastergiou
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Publication number: 20130300379Abstract: A high voltage dc power source for providing a charging current to an electronic device, including one or more strings connected in parallel, each string being subdivided into dc power source units connected in series and each string being provided with a solid-state switch configured to connect and disconnect the string, and a control unit adapted to turn on and turn off the solid-state switch, and the control unit is configured, upon receiving an order to connect the string, to control the switch of the string to be alternately turned on and off so that a soft charging of the electronic device is achieved.Type: ApplicationFiled: July 18, 2013Publication date: November 14, 2013Inventors: Tomas Larsson, Falah Hosini
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Publication number: 20130239517Abstract: An arrangement for manufacturing of portion packets of a product for oral use, includes a forming arrangement configured to form portion packets of a bulk material. The arrangement includes a device for placing the portion packets into a container, wherein the device includes a portion packet transporting unit and a portion packet positioning unit. The transporting unit is configured to transport individual portion packets to the positioning unit, and the positioning unit is configured to position the portion packets in a certain pattern during operation of the device. The transporting unit includes a product channel for transporting the portion packets, the product channel having an inlet and an outlet, the transporting unit further including a gas channel for connection to a source of pressurized gas, the gas channel arranged to, when connected to the source, guide pressurized gas into the product channel in a direction towards the product channel outlet.Type: ApplicationFiled: November 23, 2011Publication date: September 19, 2013Applicant: SWEDISH MATCH NORTH EUROPE ABInventors: Lars-Olof Lofman, Thom Aspgren, Dennis Eriksson, Tomas Larsson
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Publication number: 20130232922Abstract: A device for placing portion packets of a product for oral use into a container includes a portion packet positioning unit configured to position the portion packets in relation to each other in the container, wherein the positioning unit includes a set of portion packet receiving compartments arranged in a certain pattern, each of the compartments having an entrance end allowing a portion packet to enter the compartment and, at an opposite side of the compartment, a retaining end preventing a portion packet from exiting the compartment in that direction. The positioning unit further includes a discharging member configured to discharge portion packets from the compartments to the container, wherein the compartments are associated with a supporting structure that retains the compartment pattern during operation of the device. A method an arrangement for placing portion packets of a product for oral use into a container using such device is described.Type: ApplicationFiled: November 23, 2011Publication date: September 12, 2013Applicant: SWEDISH MATCH NORTH EUROPE ABInventors: Thom Aspgren, Lars-Olof Lofman, Dennis Eriksson, Tomas Larsson
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Publication number: 20130049472Abstract: An energy storage device for a power compensator including a battery stack including a plurality of battery units connected in series, each of the battery units including one or more parallel-connected battery modules including a plurality of battery cells, where each battery unit further includes a bypass switch connected in parallel with the battery modules and the energy storage device comprises a control unit which is operatively connected to the bypass switches and adapted to receive information on a failure in any of the battery modules and to close the bypass switch in order to bypass the battery unit in case of a failure in any of the battery modules of the battery unit.Type: ApplicationFiled: October 26, 2012Publication date: February 28, 2013Inventors: Fredrik Tinglow, Falah Hosini, Tomas Larsson
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Patent number: 8184412Abstract: A voltage source converter including a string of series connected active semiconducting elements. The converter includes in case of an active semiconducting element failure a calculation element configured to calculate an operation dc voltage including a sum of dc ratings of each remaining active semiconducting element in the string, and a regulator configured to regulate the converter to assume the operation dc voltage over the converter.Type: GrantFiled: March 31, 2006Date of Patent: May 22, 2012Assignee: ABB Technology LtdInventors: Tomas Larsson, Marcio Magalhäes De Oliveira, Åke Petersson, Jean-Philippe Hasler
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Patent number: D1018277Type: GrantFiled: September 11, 2020Date of Patent: March 19, 2024Assignee: Tetra Laval Holdings & Finance S.A.Inventors: Tomas Nilén, Anna Larsson, Camilla Petersson