Patents by Inventor Tomas Wykman

Tomas Wykman 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: 11666010
    Abstract: Some example embodiments may provide a capability for intelligent control or management of a number of assets in connection with yard maintenance with the assistance or inclusion of a management unit having distributed properties. Thus, for example, sensor equipment and task performance equipment operation may be coordinated between local management and remote management entities for efficient monitoring and maintaining of lawn wellness.
    Type: Grant
    Filed: December 11, 2020
    Date of Patent: June 6, 2023
    Assignee: HUSQVARNA AB
    Inventors: Tomas Wykman, Fredrik Edholm, Eric Lennings, Pär Christensson, Stefan Grufman, Björn Mannefred, Patrik Jägenstedt, Magnus Öhrlund, Olle Markusson
  • Patent number: 11162435
    Abstract: The present disclosure relates to a carburetor assembly (7) comprising a control unit (17), an air channel (8), a throttle valve (9), a choke valve (10), a pulsed fuel valve (11), and a fuel supply line (12). The control unit (17) is adapted to control the fuel valve (11) to supply fuel in accordance with a certain start setting, where the choke valve (10) can be open or closed. The carburetor assembly (7) comprises a rotation angle detector assembly (20) with a choke detector part (29) that is mounted to a choke shaft (30) that is connected to the choke valve (10) such that the choke detector part (29) is arranged to rotate together with the choke valve (10). The rotation angle detector assembly (20) further comprises a choke sensor device (23, 33) that is connected to the control unit (17) and can be affected by the choke detector part (29) such that the choke sensor device (23, 33) provides different output signals to the control unit (17) in dependence of whether the choke valve (10) is open or closed.
    Type: Grant
    Filed: May 30, 2018
    Date of Patent: November 2, 2021
    Assignee: HUSQVARNA AB
    Inventors: Tomas Wykman, Henrik Eklund, Mikael Larsson
  • Patent number: 11135665
    Abstract: A handheld power tool (100) comprising at least one orientation sensor (150) is provided. The handheld power tool (100) is operatively connected to a controller (160; 210) and said controller (160; 210) is configured to receive orientation data from the at least one orientation sensor (150), wherein the orientation data comprises information associated with an orientation of at least a portion of the handheld power tool (100) and to determine operational data based on the orientation data, said operational data representing work performed using the handheld power tool (100). The operational data is determined by determining the orientation of the power tool based on the received orientation data from the at least one orientation sensor (150).
    Type: Grant
    Filed: March 29, 2017
    Date of Patent: October 5, 2021
    Assignee: HUSQVARNA AB
    Inventors: Pär Martinsson, Johan Hallendorff, Tomas Wykman
  • Publication number: 20210092912
    Abstract: Some example embodiments may provide a capability for intelligent control or management of a number of assets in connection with yard maintenance with the assistance or inclusion of a management unit having distributed properties. Thus, for example, sensor equipment and task performance equipment operation may be coordinated between local management and remote management entities for efficient monitoring and maintaining of lawn wellness.
    Type: Application
    Filed: December 11, 2020
    Publication date: April 1, 2021
    Inventors: Tomas Wykman, Fredrik Edholm, Eric Lennings, Pär Christensson, Stefan Grufman, Björn Mannefred, Patrik Jägenstedt, Magnus Öhrlund, Olle Markusson
  • Patent number: 10918015
    Abstract: A trimmer head arranged to be driven to rotate a trimmer line, where the trimmer head includes a housing and an inner body connected to a trimmer line spool. The inner body is arranged to be movable relative the housing so that a trimmer line spooled around the trimmer line spool is released and pulled out by a centrifugal force caused by the rotation of the trimmer head, thereby allowing feed of the trimmer line. The trimmer further includes drive means for driving the trimmer head to rotate, and the trimmer is arranged to cause a relative movement of the inner body relative the housing by changing the rotation speed of the trimmer head.
    Type: Grant
    Filed: October 6, 2016
    Date of Patent: February 16, 2021
    Assignee: HUSQVARNA AB
    Inventors: Johan Hallendorff, Tomas Wykman, Stefan Kullberg, Rickard Skogward
  • Patent number: 10869432
    Abstract: Some example embodiments may provide a capability for intelligent control or management of a number of assets in connection with yard maintenance with the assistance or inclusion of a management unit having distributed properties. Thus, for example, sensor equipment and task performance equipment operation may be coordinated between local management and remote management entities for efficient monitoring and maintaining of lawn wellness.
    Type: Grant
    Filed: November 4, 2015
    Date of Patent: December 22, 2020
    Assignee: HUSQVARNA AB
    Inventors: Tomas Wykman, Fredrik Edholm, Eric Lennings, Pär Christensson, Stefan Grufman, Björn Mannefred, Patrik Jägenstedt, Magnus Öhrlund, Olle Markusson
  • Publication number: 20200141334
    Abstract: The present disclosure relates to a carburetor assembly (7) comprising a control unit (17), an air channel (8), a throttle valve (9), a choke valve (10), a pulsed fuel valve (11), and a fuel supply line (12). The control unit (17) is adapted to control the fuel valve (11) to supply fuel in accordance with a certain start setting, where the choke valve (10) can be open or closed. The carburetor assembly (7) comprises a rotation angle detector assembly (20) with a choke detector part (29) that is mounted to a choke shaft (30) that is connected to the choke valve (10) such that the choke detector part (29) is arranged to rotate together with the choke valve (10). The rotation angle detector assembly (20) further comprises a choke sensor device (23, 33) that is connected to the control unit (17) and can be affected by the choke detector part (29) such that the choke sensor device (23, 33) provides different output signals to the control unit (17) in dependence of whether the choke valve (10) is open or closed.
    Type: Application
    Filed: May 30, 2018
    Publication date: May 7, 2020
    Inventors: Tomas Wykman, Henrik Eklund, Mikael Larsson
  • Patent number: 10537069
    Abstract: Adjustment device for automatic adjustment of a spacing between a first and a second cutting blade. The adjustment device includes a connector extending through a recess in the respective first and second cutting blades at right angles to the first and second contact surfaces and arranged to guide the movement of the displaceable cutting blades relative to the other cutting blade. The adjustment device further includes a first stop fixed to one end of the connector and arranged in contact with the outer surface of the second cutting blade, and an adjustment means located at the opposite end of the connector and arranged to apply a pre-tensioning force on the outer surface of the first cutting blade and maintain first and second contact surfaces of the first and second cutting blades in contact.
    Type: Grant
    Filed: March 13, 2015
    Date of Patent: January 21, 2020
    Assignee: HUSQVARNA AB
    Inventors: Tomas Wykman, Joakim Persson, Anders Hansson
  • Publication number: 20190061028
    Abstract: A handheld power tool (100) comprising at least one orientation sensor (150) is provided. The handheld power tool (100) is operatively connected to a controller (160; 210) and said controller (160; 210) is configured to receive orientation data from the at least one orientation sensor (150), wherein the orientation data comprises information associated with an orientation of at least a portion of the handheld power tool (100) and to determine operational data based on the orientation data, said operational data representing work performed using the handheld power tool (100). The operational data is determined by determining the orientation of the power tool based on the received orientation data from the at least one orientation sensor (150).
    Type: Application
    Filed: March 29, 2017
    Publication date: February 28, 2019
    Inventors: Pär Martinsson, Johan Hallendorff, Tomas Wykman
  • Publication number: 20190024611
    Abstract: A starter system (400), for an internal combustion engine (200) including a carburetor (450) and a recoil starter (150), may include a sensor (420), a controller (430) and an actuator (440). The carburetor (450) may have at least a choke valve (322) for controlling a flow of a fresh air into a combustion chamber (232) of the engine (200) during engine start. The choke valve (322) may have a choke position and an open position and may be positioned into the choke position at engine start. The recoil starter (150) may start a rotation of an engine crankshaft causing a fuel supply to the combustion chamber (232) of the engine (200). The sensor (420) may be disposed to detect movement parameters associated with the engine (200) or crankshaft responsive to operation of the recoil starter (150).
    Type: Application
    Filed: January 25, 2016
    Publication date: January 24, 2019
    Inventors: Tomas Wykman, Anders Angrén
  • Publication number: 20180271010
    Abstract: A trimmer head (1) arranged to be driven to rotate a trimmer line (3), wherein the trimmer head comprises a housing (1a, 1b) and an inner body (1c) connected to a trimmer line spool (13, 39), the trimmer head being characterized in that the inner body is arranged to be movable relative the housing so that a trimmer line spooled around the trimmer line spool is released and to be pulled out by a centrifugal force caused by the rotation of the trimmer head, thereby allowing feed of the trimmer line. A trimmer (10) comprising a trimmer head according to above, wherein the trimmer further comprises drive means (2, 4) for driving the trimmer head to rotate and wherein the trimmer is arranged to cause a relative movement of the inner body relative the housing by changing the rotation speed of the trimmer head.
    Type: Application
    Filed: October 6, 2016
    Publication date: September 27, 2018
    Inventors: Johan Hallendorff, Tomas Wykman, Stefan Kullberg, Rickard Skogward
  • Publication number: 20180213731
    Abstract: Some example embodiments may provide a capability for intelligent control or management of a number of assets in connection with yard maintenance with the assistance or inclusion of a management unit having distributed properties. Thus, for example, sensor equipment and task performance equipment operation may be coordinated between local management and remote management entities for efficient monitoring and maintaining of lawn wellness.
    Type: Application
    Filed: November 4, 2015
    Publication date: August 2, 2018
    Inventors: Tomas Wykman, Fredrik Edholm, Eric Lennings, Pär Christensson, Stefan Grufman, Björn Mannefred, Patrik Jägenstedt, Magnus Öhrlund, Olle Markusson
  • Patent number: 9939064
    Abstract: A compact and efficient rotary shift actuator for a shift-by-wire transmission includes a motor having a motor shaft that is rotatable about a motor axis, an output head arranged towards a second end of an output lever and adapted for connection with a shift shaft of a transmission, and a gear train for transferring torque from the motor shaft to the output head. The gear train comprises a first shaft rotatable about a first axis, a second shaft rotatable about a second axis, and the output lever pivotable about a lever axis. The gear train further includes a worm gear for transmitting torque from the first shaft to the second shaft.
    Type: Grant
    Filed: November 30, 2012
    Date of Patent: April 10, 2018
    Assignee: KONGSBERG AUTOMOTIVE AB
    Inventors: Bengt Cyren, Bengt Hermansson, Tomas Wykman
  • Publication number: 20180042184
    Abstract: The invention relates to an adjustment device for automatic adjustment of a spacing between a first and a second cutting blade (21, 22; 51, 52), the first and second cutting blades being mounted so that the first and second contact surfaces (31, 32) are in contact with and parallel to each other; wherein at least one of the first and second cutting blades (21, 22; 51, 52) is displaceable to produce a cutting action between first and second cutting edges (23, 24). The first and second cutting blades are connected by at least one adjustment device (28; 50; 90) arranged to maintain the spacing between the first and second planar contact surfaces.
    Type: Application
    Filed: March 13, 2015
    Publication date: February 15, 2018
    Inventors: Tomas Wykman, Joakim Persson, Anders Hansson
  • Patent number: 9702377
    Abstract: The invention relates to a motor and pump assembly for mounting in a vehicle seat including a motor driven pump unit (3), a housing (9, 11) and a suspension arrangement for holding the motor driven pump unit within the housing, said motor driven pump unit having a longitudinal axis, characterized in that the suspension arrangement comprises: at least one helical compression spring (8) for holding said motor driven pump unit and balancing its weight, one end of the helical compression spring being connected to the housing and the other end being connected to the motor driven pump unit, at least one spiral spring (1), the inner end of which being connected to one axial end of the motor driven pump unit and an outer end portion of which being connected to the housing, wherein the spiral spring is located such that the spiral is centered around the longitudinal axis of the motor driven pump unit (3).
    Type: Grant
    Filed: December 23, 2010
    Date of Patent: July 11, 2017
    Assignee: KONGSBERG AUTOMOTIVE AB
    Inventors: Tomas Wykman, Bengt Hermansson
  • Publication number: 20150337957
    Abstract: The invention relates to a compact and efficient rotary shift actuator for a shift-by-wire transmission comprising a motor having a motor shaft that is rotatable about a motor axis, an output head arranged towards a second end of an output lever and adapted for connection with a shift shaft of a transmission and a gear train for transferring torque from the motor shaft to the output head, wherein the gear train comprises a first shaft rotatable about a first axis, a second shaft rotatable about a second axis and the output lever pivotable about a lever axis and wherein the gear train further comprises means for transmitting torque from the motor shaft to the first shaft, from the first shaft to the second shaft and from the second shaft to the output lever, characterized in that the means for transmitting torque from the first shaft to the second shaft is formed as a worm gear.
    Type: Application
    Filed: November 30, 2012
    Publication date: November 26, 2015
    Applicant: Kongsberg Automotive AB
    Inventors: Bengt Cyren, Bengt Hermansson, Tomas Wykman
  • Publication number: 20130343926
    Abstract: The invention relates to a motor and pump assembly for mounting in a vehicle seat including a motor driven pump unit (3), a housing (9, 11) and a suspension arrangement for holding the motor driven pump unit within the housing, said motor driven pump unit having a longitudinal axis, characterized in that the suspension arrangement comprises: at least one helical compression spring (8) for holding said motor driven pump unit and balancing its weight, one end of the helical compression spring being connected to the housing and the other end being connected to the motor driven pump unit, at least one spiral spring (1), the inner end of which being connected to one axial end of the motor driven pump unit and an outer end portion of which being connected to the housing, wherein the spiral spring is located such that the spiral is centered around the longitudinal axis of the motor driven pump unit (3).
    Type: Application
    Filed: December 23, 2010
    Publication date: December 26, 2013
    Applicant: Kongsberg Automotive AB
    Inventors: Tomas Wykman, Bengt Hermansson