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).

  • Publication number: 20170314197
    Abstract: 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: Application
    Filed: November 17, 2015
    Publication date: November 2, 2017
    Inventors: Elisabeth Bergnor, Peter Axegård, Tomas Larsson, Katarina Karlström
  • Patent number: 9563666
    Abstract: 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: Grant
    Filed: November 9, 2012
    Date of Patent: February 7, 2017
    Assignee: Kairos Future Group AB
    Inventors: Tomas Larsson, Mats Lindgren
  • Patent number: 9527611
    Abstract: 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: Grant
    Filed: November 23, 2011
    Date of Patent: December 27, 2016
    Assignee: Swedish Match North Europe AB
    Inventors: Lars-Olof Lofman, Thom Aspgren, Dennis Eriksson, Tomas Larsson
  • Patent number: 9513650
    Abstract: 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: Grant
    Filed: December 20, 2013
    Date of Patent: December 6, 2016
    Assignee: ABB Research Ltd.
    Inventors: Tomas Larsson, Richard Rivas, Stefan Thorburn, Marguerite Holmberg
  • Patent number: 9487313
    Abstract: 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: Grant
    Filed: November 23, 2011
    Date of Patent: November 8, 2016
    Assignee: Swedish Match North Europe AB
    Inventors: Thom Aspgren, Lars-Olof Lofman, Dennis Eriksson, Tomas Larsson
  • Patent number: 8937798
    Abstract: 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: Grant
    Filed: October 29, 2013
    Date of Patent: January 20, 2015
    Assignee: ABB Technology AG
    Inventors: Falah Hosini, Tomas Jonsson, Tomas Larsson, Mauro Monge, Jean-Philippe Hasler
  • Patent number: 8890491
    Abstract: 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: Grant
    Filed: July 18, 2013
    Date of Patent: November 18, 2014
    Assignee: ABB Technology AG
    Inventors: Tomas Larsson, Falah Hosini
  • Publication number: 20140297659
    Abstract: 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: Application
    Filed: November 9, 2012
    Publication date: October 2, 2014
    Applicant: Kairos Future Group AB
    Inventors: Tomas Larsson, Mats Lindgren
  • Patent number: 8829716
    Abstract: 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: Grant
    Filed: October 26, 2012
    Date of Patent: September 9, 2014
    Assignee: ABB Technology AG
    Inventors: Fredrik Tinglow, Falah Hosini, Tomas Larsson
  • Patent number: 8775835
    Abstract: 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: Grant
    Filed: November 1, 2013
    Date of Patent: July 8, 2014
    Assignee: ABB Research Ltd.
    Inventors: Tomas Larsson, Karin Thorburn, Stefan Thorburn
  • Publication number: 20140114495
    Abstract: 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: Application
    Filed: December 20, 2013
    Publication date: April 24, 2014
    Inventors: Tomas Larsson, Richard Rivas, Stefan Thorburn, Marguerite Holmberg
  • Publication number: 20140055116
    Abstract: 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: Application
    Filed: October 29, 2013
    Publication date: February 27, 2014
    Inventors: Falah Hosini, Tomas Jonsson, Tomas Larsson, Mauro Monge, Jean-Philippe Hasler
  • Publication number: 20140059373
    Abstract: 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: Application
    Filed: November 1, 2013
    Publication date: February 27, 2014
    Inventors: Tomas Larsson, Karin Thorburn, Stefan Thorburn
  • Patent number: 8633614
    Abstract: 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: Grant
    Filed: November 22, 2010
    Date of Patent: January 21, 2014
    Assignee: ABB Research Ltd.
    Inventors: Tomas Larsson, Fredrik Tinglöw, Georgios Demetriades, Willy Hermansson, Konstantinos Papastergiou
  • Publication number: 20130300379
    Abstract: 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: Application
    Filed: July 18, 2013
    Publication date: November 14, 2013
    Inventors: Tomas Larsson, Falah Hosini
  • Publication number: 20130239517
    Abstract: 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: Application
    Filed: November 23, 2011
    Publication date: September 19, 2013
    Applicant: SWEDISH MATCH NORTH EUROPE AB
    Inventors: Lars-Olof Lofman, Thom Aspgren, Dennis Eriksson, Tomas Larsson
  • Publication number: 20130232922
    Abstract: 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: Application
    Filed: November 23, 2011
    Publication date: September 12, 2013
    Applicant: SWEDISH MATCH NORTH EUROPE AB
    Inventors: Thom Aspgren, Lars-Olof Lofman, Dennis Eriksson, Tomas Larsson
  • Publication number: 20130049472
    Abstract: 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: Application
    Filed: October 26, 2012
    Publication date: February 28, 2013
    Inventors: Fredrik Tinglow, Falah Hosini, Tomas Larsson
  • Patent number: 8184412
    Abstract: 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: Grant
    Filed: March 31, 2006
    Date of Patent: May 22, 2012
    Assignee: ABB Technology Ltd
    Inventors: Tomas Larsson, Marcio Magalhäes De Oliveira, Åke Petersson, Jean-Philippe Hasler
  • Patent number: D1018277
    Type: Grant
    Filed: September 11, 2020
    Date of Patent: March 19, 2024
    Assignee: Tetra Laval Holdings & Finance S.A.
    Inventors: Tomas Nilén, Anna Larsson, Camilla Petersson