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: 11666010Abstract: 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: GrantFiled: December 11, 2020Date of Patent: June 6, 2023Assignee: HUSQVARNA ABInventors: Tomas Wykman, Fredrik Edholm, Eric Lennings, Pär Christensson, Stefan Grufman, Björn Mannefred, Patrik Jägenstedt, Magnus Öhrlund, Olle Markusson
-
Patent number: 11162435Abstract: 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: GrantFiled: May 30, 2018Date of Patent: November 2, 2021Assignee: HUSQVARNA ABInventors: Tomas Wykman, Henrik Eklund, Mikael Larsson
-
Patent number: 11135665Abstract: 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: GrantFiled: March 29, 2017Date of Patent: October 5, 2021Assignee: HUSQVARNA ABInventors: Pär Martinsson, Johan Hallendorff, Tomas Wykman
-
Publication number: 20210092912Abstract: 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: ApplicationFiled: December 11, 2020Publication date: April 1, 2021Inventors: Tomas Wykman, Fredrik Edholm, Eric Lennings, Pär Christensson, Stefan Grufman, Björn Mannefred, Patrik Jägenstedt, Magnus Öhrlund, Olle Markusson
-
Patent number: 10918015Abstract: 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: GrantFiled: October 6, 2016Date of Patent: February 16, 2021Assignee: HUSQVARNA ABInventors: Johan Hallendorff, Tomas Wykman, Stefan Kullberg, Rickard Skogward
-
Patent number: 10869432Abstract: 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: GrantFiled: November 4, 2015Date of Patent: December 22, 2020Assignee: HUSQVARNA ABInventors: Tomas Wykman, Fredrik Edholm, Eric Lennings, Pär Christensson, Stefan Grufman, Björn Mannefred, Patrik Jägenstedt, Magnus Öhrlund, Olle Markusson
-
Publication number: 20200141334Abstract: 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: ApplicationFiled: May 30, 2018Publication date: May 7, 2020Inventors: Tomas Wykman, Henrik Eklund, Mikael Larsson
-
Patent number: 10537069Abstract: 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: GrantFiled: March 13, 2015Date of Patent: January 21, 2020Assignee: HUSQVARNA ABInventors: Tomas Wykman, Joakim Persson, Anders Hansson
-
Publication number: 20190061028Abstract: 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: ApplicationFiled: March 29, 2017Publication date: February 28, 2019Inventors: Pär Martinsson, Johan Hallendorff, Tomas Wykman
-
Publication number: 20190024611Abstract: 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: ApplicationFiled: January 25, 2016Publication date: January 24, 2019Inventors: Tomas Wykman, Anders Angrén
-
Publication number: 20180271010Abstract: 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: ApplicationFiled: October 6, 2016Publication date: September 27, 2018Inventors: Johan Hallendorff, Tomas Wykman, Stefan Kullberg, Rickard Skogward
-
Publication number: 20180213731Abstract: 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: ApplicationFiled: November 4, 2015Publication date: August 2, 2018Inventors: Tomas Wykman, Fredrik Edholm, Eric Lennings, Pär Christensson, Stefan Grufman, Björn Mannefred, Patrik Jägenstedt, Magnus Öhrlund, Olle Markusson
-
Patent number: 9939064Abstract: 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: GrantFiled: November 30, 2012Date of Patent: April 10, 2018Assignee: KONGSBERG AUTOMOTIVE ABInventors: Bengt Cyren, Bengt Hermansson, Tomas Wykman
-
Publication number: 20180042184Abstract: 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: ApplicationFiled: March 13, 2015Publication date: February 15, 2018Inventors: Tomas Wykman, Joakim Persson, Anders Hansson
-
Patent number: 9702377Abstract: 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: GrantFiled: December 23, 2010Date of Patent: July 11, 2017Assignee: KONGSBERG AUTOMOTIVE ABInventors: Tomas Wykman, Bengt Hermansson
-
Publication number: 20150337957Abstract: 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: ApplicationFiled: November 30, 2012Publication date: November 26, 2015Applicant: Kongsberg Automotive ABInventors: Bengt Cyren, Bengt Hermansson, Tomas Wykman
-
Publication number: 20130343926Abstract: 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: ApplicationFiled: December 23, 2010Publication date: December 26, 2013Applicant: Kongsberg Automotive ABInventors: Tomas Wykman, Bengt Hermansson