Patents Assigned to Husqvarna AB
  • Patent number: 11367153
    Abstract: A construction site status monitoring device is provided including processing circuitry configured to receive sensor data associated with a construction site from a scout device and generate a site map based on the sensor data for deployment of the construction device.
    Type: Grant
    Filed: March 1, 2017
    Date of Patent: June 21, 2022
    Assignee: HUSQVARNA AB
    Inventor: Tommy Olsson
  • Patent number: 11357169
    Abstract: A height adjustment system for adjusting a cutting deck height of a front mounted cutting deck (50) of a riding lawn care vehicle (10) may include a lever (155) operable by an operator seated on the riding lawn care vehicle, and a height adjustment assembly (150) that is alternately assembled and disassembled during attachment and removal of the cutting deck without any operator interaction other than positioning of the lever.
    Type: Grant
    Filed: March 28, 2018
    Date of Patent: June 14, 2022
    Assignee: Husqvarna AB
    Inventor: Johan Bengtzohn
  • Patent number: 11343980
    Abstract: An example collapsible blower extension for a leaf blower is provided. The collapsible blower extension may include an elongate body forming an internal airflow passageway. The elongate body may be formed of a pliable material causing the internal airflow passageway to be collapsible. The collapsible blower extension may also include an input opening at a proximal end of the elongate body configured to be disposed proximate a leaf blower working assembly airflow outlet and an output opening at a distal end of the elongate body.
    Type: Grant
    Filed: December 20, 2019
    Date of Patent: May 31, 2022
    Assignee: HUSQVARNA AB
    Inventors: Jeff Osterchill, Andrew Curtis
  • Patent number: 11310957
    Abstract: A robotic lawnmower system comprising a robotic lawnmower (100) and a signal generator (240) to which a cable (250, 260) is to be connected, the signal generator (240) being configured to transmit a signal (245) through the cable (250, 260). The robotic lawnmower (100) comprises: a sensor (170) configured to pick up magnetic fields generated by the signal (245) in the cable (250, 260) thereby receiving the signal (245) being transmitted and a controller (110). The controller (110) is configured to follow the cable (250, 260) at a distance by determining a received signal quality level and adapting the distance at which the robotic lawnmower (100) is following the cable at according to the determined signal quality level.
    Type: Grant
    Filed: January 24, 2018
    Date of Patent: April 26, 2022
    Assignee: Husqvarna AB
    Inventor: Marcus Liljedahl
  • Patent number: 11305405
    Abstract: The present disclosure relates to a cutter clamp (8, 37) that comprises a first arm part (10, 39) and a second arm part (11, 40), where the arm parts (10, 11; 39, 40) are arcuate and arranged to adjustably at least partially enclose a major part of a circumference (57, 63) having a center (58, 64). The cutter clamp (8, 37) comprises at least one hollow rod (21, 22; 48, 62) arranged for receiving a mounting rod (36) for a power cutter (1, 56) in a pivoting manner. The smaller circumference the arm parts (10, 11; 39, 40) are adjusted for, the closer to the center (58, 64) said hollow rod (21, 22; 48, 62) is moved. The present disclosure also relates to a cutter clamp attachment device (68), a cutter clamp kit and a cutter clamp holding frame (76).
    Type: Grant
    Filed: May 2, 2018
    Date of Patent: April 19, 2022
    Assignee: Husqvarna AB
    Inventors: Torbjörn Almqvist, Robert Lerbro, Pär Carlsson
  • Patent number: 11280060
    Abstract: The present invention relates to a laying machine for laying at least one flexible casing or tube, cable or wire including: a blade arrangement for making a trench in the ground, a consolidation and laying means being arranged behind the blade arrangement, for clearing and safe-guarding the trench from collapsing while laying at least one flexible casing or tube, cable or wire into the trench. A blade assembly comprising compartments for cooling fluid and air.
    Type: Grant
    Filed: November 12, 2018
    Date of Patent: March 22, 2022
    Assignee: Husqvarna AB
    Inventors: Lars Gustafsson, Rolf Johansson, Fredrik Sjödahl, Tobias Nilsson, Donald F. Meister
  • Patent number: 11280061
    Abstract: The present invention relates to a laying machine for laying at least one flexible casing or tube, cable or wire including: a blade arrangement (2) for making a trench (5) in the ground, a consolidation and laying means (3) being arranged behind the blade arrangement (2), for clearing and safeguarding the trench (5) from collapsing while laying at least one flexible casing or tube, cable or wire into the trench. A blade assembly comprising compartments for cooling fluid.
    Type: Grant
    Filed: December 11, 2018
    Date of Patent: March 22, 2022
    Assignee: Husqvarna AB
    Inventors: Lars Gustafsson, Rolf Johansson, Donald Meister
  • Patent number: 11267160
    Abstract: A lubrication monitoring arrangement (1) is disclosed configured to monitor a supply of lubricant in a lubrication system (3) of a hand-held cutting tool (5). The arrangement (1) comprises a heating element (13) and a control unit (15). The heating element (13) is arranged to heat a portion (17?, 17?, 17??, 17??) of the lubrication system (3). The control unit (15) is configured to monitor the supply of lubricant in the lubrication system (3) by monitoring the change in temperature of the portion (17?, 17?, 17??, 17??) of the lubrication system (3). The present disclosure further relates to a hand-held cutting tool (5), and a method (100) of monitoring a supply of lubricant in a lubrication system (3) of a hand-held cutting tool (5).
    Type: Grant
    Filed: October 4, 2018
    Date of Patent: March 8, 2022
    Assignee: Husqvarna AB
    Inventor: Christian Bylund
  • Patent number: 11268470
    Abstract: A method in a combustion engine 100 for determining a desired fuel setting ?+. The method comprises configuring a fuel setting ?, determining a combustion engine parameter ? in dependence of the configured fuel setting ?, wherein the combustion engine parameter is related to the fuel setting by a convex function relationship, and updating the fuel setting ? towards the desired fuel setting ?+, based on the determined combustion engine parameter ? and on the convex function relationship between the fuel setting ? and the combustion engine parameter ?.
    Type: Grant
    Filed: April 30, 2019
    Date of Patent: March 8, 2022
    Assignee: HUSQVARNA AB
    Inventor: Johan Ikonen
  • Patent number: 11259461
    Abstract: A riding lawn care vehicle may include a frame to which a mobility assembly is operably coupled, an equipment frame operably coupled to the frame forward of the mobility assembly, a steering assembly operably coupled to the mobility assembly to enable an operator seated on the riding lawn care vehicle to provide steering control of the riding lawn care vehicle, a removable cutting in deck and a belt positioning system. The cutting deck includes a rotatable blade and is configured to receive power for turning the blade from an equipment drive belt of the vehicle when the equipment drive belt is operably coupled with the cutting deck. The belt positioning system is configured to enable the equipment drive belt to be automatically operably coupled between the cutting deck and the riding lawn care vehicle in response to the cutting deck being docked with the equipment frame in an operational position.
    Type: Grant
    Filed: March 26, 2018
    Date of Patent: March 1, 2022
    Assignee: Husqvarna AB
    Inventors: Johan Bengtzohn, Mats Axelsson
  • Patent number: 11254376
    Abstract: A replacement mobility assembly for a walk-behind, powered device (10) may include first and second drivable components, a mobility assembly frame, and an adaptation assembly. The powered device may be provided with an original mobility assembly (40) that is to be removed from coupling with a drive assembly and a chassis (15) of the powered device prior to installation of the replacement mobility assembly. The first and second drivable components may each be of a different type than corresponding drivable components of the original mobility assembly. The first and second drivable components may be operably coupled to the mobility assembly frame. The adaptation assembly may be configured to enable the mobility assembly frame to be operably coupled to the chassis and the first and second drivable components to be operably coupled to the drive assembly.
    Type: Grant
    Filed: May 2, 2018
    Date of Patent: February 22, 2022
    Assignee: Husqvarna AB
    Inventor: Kenneth Mandeville
  • Patent number: D943226
    Type: Grant
    Filed: January 16, 2020
    Date of Patent: February 8, 2022
    Assignee: Husqvarna AB
    Inventors: Gustav Landberg, Patrik Almqvist, Tor Sigurdsson
  • Patent number: D943638
    Type: Grant
    Filed: August 27, 2020
    Date of Patent: February 15, 2022
    Assignee: Husqvarna AB
    Inventors: Martin Rauch, Alexander Turesson
  • Patent number: D945494
    Type: Grant
    Filed: February 4, 2020
    Date of Patent: March 8, 2022
    Assignee: Husqvarna AB
    Inventors: Tristan Nijs, Martin Renneson
  • Patent number: D945495
    Type: Grant
    Filed: February 4, 2020
    Date of Patent: March 8, 2022
    Assignee: Husqvarna AB
    Inventors: Tristan Nijs, Martin Renneson
  • Patent number: D945496
    Type: Grant
    Filed: February 4, 2020
    Date of Patent: March 8, 2022
    Assignee: Husqvarna AB
    Inventors: Tristan Nijs, Martin Renneson
  • Patent number: D945497
    Type: Grant
    Filed: February 4, 2020
    Date of Patent: March 8, 2022
    Assignee: Husqvarna AB
    Inventors: Tristan Nijs, Martin Renneson
  • Patent number: D947908
    Type: Grant
    Filed: January 16, 2020
    Date of Patent: April 5, 2022
    Assignee: Husqvarna AB
    Inventors: Gustav Landberg, Patrik Almqvist, Tor Sigurdsson
  • Patent number: D947909
    Type: Grant
    Filed: January 16, 2020
    Date of Patent: April 5, 2022
    Assignee: Husqvarna AB
    Inventors: Gustav Landberg, Patrik Almqvist, Tor Sigurdsson
  • Patent number: D948580
    Type: Grant
    Filed: August 27, 2020
    Date of Patent: April 12, 2022
    Assignee: Husqvarna AB
    Inventors: Martin Rauch, Alexander Turesson