Patents by Inventor David Larsson

David 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).

  • Patent number: 12130015
    Abstract: A combustion chamber of a gas turbine, wherein downstream of the combustion chamber an expansion turbine with a turbine inlet is arranged. The combustion chamber has an annular design with a component, which has a chamber wall and an end wall arranged next to the turbine inlet and a corner as connection of the chamber wall and the end wall. To increase the cooling performance the component further has an air guidance piece arranged at a distance from the chamber wall with a cooling channel in-between. Further, the corner is fluid tight, wherein the distance of the air guidance piece to the end wall is at least 0.5-times and at most 2-times the lowest width of the cooling channel.
    Type: Grant
    Filed: October 2, 2020
    Date of Patent: October 29, 2024
    Assignee: Siemens Energy Global GmbH & Co. KG
    Inventors: David Larsson, Daniel Lörstad, Frank Rubensdorffer, Magnus Sundholm, Simon Svanström
  • Publication number: 20240142104
    Abstract: A combustion chamber of a gas turbine, wherein downstream of the combustion chamber an expansion turbine with a turbine inlet is arranged. The combustion chamber has an annular design with a component, which has a chamber wall and an end wall arranged next to the turbine inlet and a corner as connection of the chamber wall and the end wall. To increase the cooling performance the component further has an air guidance piece arranged at a distance from the chamber wall with a cooling channel in-between. Further, the corner is fluid tight, wherein the distance of the air guidance piece to the end wall is at least 0.5-times and at most 2-times the lowest width of the cooling channel.
    Type: Application
    Filed: October 2, 2020
    Publication date: May 2, 2024
    Applicant: Siemens Energy Global GmbH & Co. KG
    Inventors: David Larsson, Daniel Lörstad, Frank Rubensdörffer, Magnus Sundholm, Simon Svanström
  • Publication number: 20150142556
    Abstract: The present invention relates to a method, an intermediate service providing entity and a computer program for managing a distribution list of designated customers. The distribution list includes at least one designated customer, designated by a supplier of products and/or services. The method is realized by an intermediate service providing entity situated in a network. The intermediate service providing entity is in communication with the supplier and the designated customers. The method comprises the steps of: Receiving a re-distributable offer from the supplier. Distributing the re-distributable offer to the at least one designated customer of the distribution list, wherein the designated customer, on its own motion, instructs the intermediate service providing entity to distribute the offer to the at least one pending customer. Monitoring distribution of the offer from each designated customer to pending customers. Monitoring utilization of the offer among designated customers and pending customers.
    Type: Application
    Filed: November 17, 2014
    Publication date: May 21, 2015
    Applicant: ILIST AB
    Inventors: Johan Viberg, David Larsson
  • Patent number: 8866338
    Abstract: A method and apparatus for improving power generation in a thermal power plant. A dynamic reactive compensation system is provided and is connected to a high voltage bus or a generator bus of the power plant. The dynamic reactive compensation system comprises power electronic devices and is operable to provide most of the reactive power that is required from the power plant.
    Type: Grant
    Filed: January 21, 2011
    Date of Patent: October 21, 2014
    Assignee: ABB Inc.
    Inventors: Brian David Scott, David Larsson
  • Publication number: 20110181044
    Abstract: A method and apparatus for improving power generation in a thermal power plant. A dynamic reactive compensation system is provided and is connected to a high voltage bus or a generator bus of the power plant. The dynamic reactive compensation system comprises power electronic devices and is operable to provide most of the reactive power that is required from the power plant.
    Type: Application
    Filed: January 21, 2011
    Publication date: July 28, 2011
    Applicant: ABB INC.
    Inventors: Brian David Scott, David Larsson
  • Patent number: 7616087
    Abstract: An installation for transmission of electric power via a high-voltage ac voltage line between two switchgear units located at a large distance from each other. For the transmission of the electric power, the ac voltage line includes at least one extruded cable with an inner electric conductor, an insulating layer of a solid material surrounding the conductor, and an outer screen layer located at ground potential. The installation also includes one or more inductors located along the extent of the cable between the switchgear units and integrated into the cable. The inductors are connected between the conductor of the cable and ground for reactive shunt compensation.
    Type: Grant
    Filed: September 12, 2003
    Date of Patent: November 10, 2009
    Assignee: ABB AB
    Inventors: Per Halvarsson, Claes Bengtsson, David Larsson, Johan Karlstrand
  • Publication number: 20060096953
    Abstract: An installation for transmission of electric power via a high-voltage ac voltage line between two switchgear units located at a large distance from each other. For the transmission of the electric power, the ac voltage line includes at least one extruded cable with an inner electric conductor, an insulating layer of a solid material surrounding the conductor, and an outer screen layer located at ground potential. The installation also includes one or more inductors located along the extent of the cable between the switchgear units and integrated into the cable. The inductors are connected between the conductor of the cable and ground for reactive shunt compensation.
    Type: Application
    Filed: September 12, 2003
    Publication date: May 11, 2006
    Inventors: Per Halvarsson, Claes Bengtsson, David Larsson, Johan Karlstrand
  • Patent number: D907183
    Type: Grant
    Filed: May 17, 2017
    Date of Patent: January 5, 2021
    Assignee: Dometic Sweden AB
    Inventors: Samuele Meda, Joakim Ahlström, Bo David Larsson