公开(公告)号：WO2023068976A1

公开(公告)日：2023-04-27

申请号：PCT/SE2022/050658

申请日：2022-06-30

Applicant: HUSQVARNA AB

Inventor： KAMFORS, Mattias ,  LANDIN, Rickard

IPC: G05D1/02

Abstract: A method for use in a robotic work tool (100) arranged to operate in an operational area, the robotic work tool comprising a memory configured to store a location of at least one object, a distance sensor (195), a navigation sensor (185) being based on signal-reception and a controller, the method comprising: - determining a location of the robotic work tool (100) utilizing the navigation sensor (185); - determining that a shadowed area is encountered, wherein navigation utilizing the navigation sensor is not reliable; and - in response thereto navigating utilizing the distance sensor based on detecting at least one object and a distance to the at least one object utilizing the distance sensor (195), the stored at least one object and the location of the robotic work tool (100).

公开(公告)号：WO2023020718A1

公开(公告)日：2023-02-23

申请号：PCT/EP2022/055481

申请日：2022-03-03

Applicant: HUSQVARNA AB

Inventor： RENNER, Thomas

IPC: B25H3/04

Abstract: A tool (110, 110') is adapted to be held by a tool holder (100, 100'). The tool (110, 110') includes an implement (150), a handle (112, 112') adapted to be coupled with the implement (150), and a locking member (116, 116') coupled with the handle (112, 112'). The locking member (116, 116') is adapted to facilitate removable coupling of the implement (150) and the handle (112, 112') together. The tool holder (100, 100') holding the tool (110, 110') includes a body (101) defining at least one cavity (130, 130'). The at least one cavity (130, 130') is adapted to house the handle (112, 112'). The tool holder (100, 100') defines a longitudinal axis (X-X') and each of the at least one cavity (130, 130') defines a central axis (Y-Y') such that the longitudinal axis (X-X') is perpendicular to the central axis (Y-Y'). The tool holder (100, 100') is characterized in that the at least one cavity (130, 130') is adapted to store the handle (112, 112') by having the locking member (116, 116') removably inserted therein such that at least part of the handle (112, 112') extends along the longitudinal axis (X-X') below the at least one cavity (130, 130').

公开(公告)号：WO2023001433A1

公开(公告)日：2023-01-26

申请号：PCT/EP2022/064412

申请日：2022-05-27

Applicant: HUSQVARNA AB

Inventor： MOCK, Axel

IPC: A47L4/02

Abstract: A blind cleaning device (100) includes a body (102) defining a bracket (104). The blind cleaning device (100) also includes a pair of bristle plates (134, 136) coupled with the bracket (104) of the body (102). The body (102) is coupled with a fluid connection (103) which provides a fluid. The blind cleaning device (100) further includes a pair of bristle brushes (150) coupled with the pair of the bristle plates (134, 136). Each of the pair of bristle brushes (150) includes a plurality of bristles (152). The blind cleaning device (100) is characterized in that the pair of bristle brushes (150) are coupled with the pair of the bristle plates (134, 136) such that the pair of bristle brushes (150) contact each other to define a cleaning room (156) with the pair of the bristle plates (134, 136). Further, the fluid connection (103) supplies the fluid into the cleaning room (156).

公开(公告)号：WO2022132022A1

公开(公告)日：2022-06-23

申请号：PCT/SE2021/051278

申请日：2021-12-17

Applicant: HUSQVARNA AB

Inventor： JÖNSSON, Andreas ,  STUHRMANN, Mikael ,  LAWENIUS, Mats ,  SANDSTRÖM, Per ,  LINDEBERG, Magnus ,  OTTOSSON, Linus ,  SVÄRD, Henrik ,  NYSTRÖM, Robert ,  LEFF-HALLSTEIN, Joakim ,  HUBER, Martin

IPC: E04F21/24 ,  B24B7/18 ,  G01B11/30 ,  G01N33/38 ,  G05D1/02 ,  G01K13/00 ,  G01N27/22 ,  G01S17/08 ,  G01S17/48 ,  G01S17/88

Abstract: A concrete surface processing machine (100) for processing a concrete surface, wherein the machine comprises means for self-locomotion and a control unit (110) arranged to control the means for self-locomotion, wherein the machine comprises one or more surface quality sensors connected to the control unit (110) and arranged to determine a local surface quality of the concrete surface, and wherein the control unit (110) is arranged to control a self-locomotion of the machine to determine a plurality of local surface quality values associated with respective different locations on the concrete surface.

公开(公告)号：WO2022132020A1

公开(公告)日：2022-06-23

申请号：PCT/SE2021/051276

申请日：2021-12-17

Applicant: HUSQVARNA AB

Inventor： OTTOSSON, Linus ,  JÖNSSON, Andreas

IPC: B24B7/18 ,  B24B49/00 ,  B24B49/10 ,  B24B49/16 ,  G05B19/4065 ,  G05B19/416

Abstract: A floor grinder (100), comprising at least one motor (110, 120) arranged to rotatably drive one or more abrasive grinding tool holders (130), and a control unit (140) arranged to monitor an operating characteristic of the floor grinder, wherein the control unit is arranged to compare the monitored operating characteristic to a pre-determined set of operating characteristics indicative of a tool glazing condition, and to trigger an action in case the monitored operating characteristic is indicative of a tool glazing condition, wherein the control unit is arranged to monitor the operating characteristic of the floor grinder using a machine learning technique and a glazing model configured using a plurality of examples of floor grinders which have experienced various degrees of glazing.

公开(公告)号：WO2022124960A1

公开(公告)日：2022-06-16

申请号：PCT/SE2021/051194

申请日：2021-12-02

Applicant: HUSQVARNA AB [SE]/[SE]

Inventor： BLOM, Robert

IPC: A01D34/00

Abstract: The present disclosure relates to method for a robotic work tool system (220), where the method comprises controlling (S200) the movement of an outdoor robotic work tool (100) using a user terminal (205), acquiring (S300) position data for the robotic work tool (100), and providing (S400) boundary installation points (202a, 202b, 202c, 202d) during a setup phase as the robotic work tool (100) is controlled to move within an operation area (203). A boundary (201) that defines the operation area (203) is defined by means of the boundary installation points (202a, 202b, 202c, 202d). The method further comprises presenting (S600) data to a user about the position of at least one boundary installation point (202b) that is closest to a current position (P) of the robotic work tool (100), where the data is presented via a user terminal display (206) of the user terminal (205), and moving (S700), or inserting, at least one boundary installation point (202b') in response to a user's instruction via the user terminal such that a boundary (201) that defines the operation area (203) is altered (201').

公开(公告)号：WO2022122148A1

公开(公告)日：2022-06-16

申请号：PCT/EP2020/085267

申请日：2020-12-09

Applicant: HUSQVARNA AB [SE]/[SE]

Inventor： RENNER, Thomas

IPC: A01B1/00 ,  B25H3/04

Abstract: A tool storage device (100) is provided. The tool storage device (100) includes a body (102). The tool storage device (100) also includes a plurality of cavities (140) defined in the body (102). The tool storage device (100) is characterized in that the one or more cavities (140) removably couple with one of at least one first coupling (150) and at least one second coupling (152). Further, the first coupling (150) is different from the second coupling (152).

公开(公告)号：WO2022115149A1

公开(公告)日：2022-06-02

申请号：PCT/US2021/052327

申请日：2021-09-28

Applicant: MANDEVILLE, Ken ,  HUSQVARNA AB

Inventor： PRICE, Chris ,  KIRKPATRICK, Scott ,  MCCLAY, James

IPC: B05B12/00

Abstract: A robotic vehicle (10) may include a chassis supporting a storage tank (14) in which an aqueous solution is contained, a mobility assembly operably coupled to the chassis to provide mobility for the robotic vehicle (10) about a service area, a positioning module configured to provide guidance for the robotic vehicle (10) during transit of the robotic vehicle (10) over the service area, a spray assembly and control circuitry. The spray assembly may be operably coupled to the storage tank to spray the aqueous solution via a nozzle and a pump during the transit of the robotic vehicle (10) over the service area. The control circuitry (12) may be operably coupled to the spray assembly. The control circuitry (12) may be configured to determine characteristics of the nozzle to control an amount of the aqueous solution applied to the service area based on the characteristics of the nozzle.

公开(公告)号：WO2022093099A1

公开(公告)日：2022-05-05

申请号：PCT/SE2021/051066

申请日：2021-10-22

Applicant: HUSQVARNA AB

Inventor： STALFORS, Tobias ,  KRANTZ, Jacob

IPC: F02M69/10 ,  F02B63/02 ,  F02M37/00 ,  F02M37/20

Abstract: A fuel supply arrangement (10) for a crankcase scavenged two stroke engine (1) is disclosed. The arrangement (10) comprises a fuel tank (5), a fuel injector (7) comprising a fuel inlet (9) and a fuel return outlet (11), a fuel pump (13) configured to pump fuel from the fuel tank (5) to the fuel inlet (9) of the fuel injector (7), a return conduit (15) connecting the fuel return outlet (11) to the fuel tank (5), and a fuel pressure regulator (17) configured to regulate an operating fuel pressure of the fuel injector (7), wherein the fuel pressure regulator (17) is arranged in the return conduit (15). The present disclosure further relates to an engine (1) and a power tool (20) comprising a tool (61) and an engine (1).

公开(公告)号：WO2022066082A1

公开(公告)日：2022-03-31

申请号：PCT/SE2021/050874

申请日：2021-09-13

Applicant: HUSQVARNA AB

Inventor： OLSSON, Tommy

IPC: B25J9/16 ,  B25J13/00 ,  E02F9/20 ,  G05B11/42 ,  G05B19/04 ,  G05D1/00 ,  B62D1/00

Abstract: A control device for controlling one or more actuators (110, 120, 130, 140) on a construction machine (100), the control device comprising a control input arrangement configured to receive a manual control command from an operator for controlling the one or more actuators, and to output a coordinate indicative of the manual control command as function of time, the control device further comprising a processing unit arranged to determine a first time derivative of the coordinate, and a transmitter arranged to transmit the coordinate and the first time derivative of the coordinate to an actuator control unit of the construction machine, thereby enabling compensation for time delay between the control device and the construction machine by the actuator control unit, wherein the time delay T to be compensated for is based on a pre-determined calibration setting.