Patents Assigned to Andreas Stihl AG & Co.
  • Patent number: 11445870
    Abstract: A blower apparatus is driven by a drive motor and has an intake opening and a discharge opening. The blower apparatus has a handle for guiding the blower apparatus with the handle being mounted on the blower apparatus such that it is pivotable from a first position into at least a second position. The blower apparatus is configured such that, during operation of the blower apparatus, an air flow passes through the discharge opening in a discharge direction. The handle has a grip region, which, in the first position, is inclined differently with respect to the discharge direction compared with the second position.
    Type: Grant
    Filed: June 10, 2019
    Date of Patent: September 20, 2022
    Assignee: Andreas Stihl AG & Co. KG
    Inventors: Mario Kuschewski, Simon Jug
  • Patent number: 11439057
    Abstract: A green area maintenance system includes a motor scythe, a scythe position determining device for determining scythe position coordinates, and a position recording device. The scythe position determining device is attached to the motor scythe. The position recording device is designed for recording a series of scythe position coordinates of a delimiting border while the motor scythe is being guided together with the scythe position determining device along the delimiting border of an area to be maintained.
    Type: Grant
    Filed: June 8, 2018
    Date of Patent: September 13, 2022
    Assignee: Andreas Stihl AG & Co. KG
    Inventors: Peter Ritzer, Matthias Hans, Andreas Strohmaier
  • Patent number: 11441518
    Abstract: A carburetor has a carburetor body wherein an intake channel is formed. A throttle flap is pivotably mounted by a throttle shaft in the carburetor body for controlling the free flow cross-section of the intake channel. The intake channel has a first longitudinal center axis in the region of the throttle shaft. The throttle flap has first and second end positions, wherein the throttle flap opens a larger flow cross-section of the intake channel in the second end position than in the first end position. A partition wall section, on which the throttle flap lies in the second end position, is arranged upstream of the throttle shaft. A choke flap is upstream of the partition wall section and is pivotable between first and second end positions. In their second end positions, the throttle flap and the choke flap overlap in the direction of the first longitudinal center axis.
    Type: Grant
    Filed: July 15, 2021
    Date of Patent: September 13, 2022
    Assignee: Andreas Stihl AG & Co. KG
    Inventors: Michael Grether, Bernd Engel
  • Patent number: 11434926
    Abstract: A hand-guided working apparatus has a radial fan. The radial fan includes a fan impeller and an air duct, which has a spiral portion surrounding the fan impeller and has a duct cross section, which increases in the air flow direction. An outlet funnel portion adjoins the spiral portion, widens in a funnel shape in the air flow direction and has a radially inner boundary wall and a radially outer boundary wall. The outlet funnel portion ends in an air outlet opening, the outlet width of which is smaller than an outside diameter of the fan impeller. The radially inner and/or the radially outer boundary wall of the outlet funnel portion has a curvature opposed to that of the spiral portion. An intermediate wall is arranged in the outlet funnel portion, between the radially inner and the radially outer boundary wall.
    Type: Grant
    Filed: October 28, 2020
    Date of Patent: September 6, 2022
    Assignee: Andreas Stihl AG & Co. KG
    Inventors: Simon Jetter, Sebastian Lechner, Marc Schmid, Jan Geffers
  • Patent number: 11391248
    Abstract: A fuel supply device has a housing and an intake channel section formed in the housing. At least one fuel port opens into the intake channel section. At least one fuel channel is provided and a valve with valve plate is arranged in the fuel channel. The valve has a closed position and an open position. The valve plate contacts a valve seat in the closed position. The valve plate carries out a valve stroke between open position and closed position. At least one annular gap is formed in the fuel channel. A gap width of the at least one annular gap is matched to a length of the valve stroke of the valve plate such that the gap width is not larger than twice a length of the valve stroke. A flow cross section of the annular gap is larger than a flow cross section of the valve.
    Type: Grant
    Filed: September 25, 2020
    Date of Patent: July 19, 2022
    Assignee: Andreas Stihl AG & Co. KG
    Inventors: Gerhard Osburg, Dimitrios Galagas
  • Patent number: 11389884
    Abstract: A handheld portable cutting apparatus has a cutter unit with a cutter unit longitudinal axis. In a central housing section of the cutting apparatus, a drive connection is arranged between an electric drive motor and the cutter unit, wherein a motor housing having a motor housing longitudinal axis extends from the central housing section. A handle extends from the central housing section in a handle longitudinal axis. The cutter unit includes a guide bar with a saw chain circulating thereon, wherein, in a side view onto the cutting apparatus, the point of intersection between the handle longitudinal axis and the motor housing longitudinal axis and also the point of intersection between the handle longitudinal axis and the cutter unit longitudinal axis lie in the central housing section.
    Type: Grant
    Filed: November 14, 2017
    Date of Patent: July 19, 2022
    Assignee: Andreas Stihl AG & Co. KG
    Inventors: Harald Mang, Alexander Trenn
  • Patent number: 11384715
    Abstract: A mixture formation unit has a base body in which an intake channel section is formed. The intake channel section extends from a first end side of the base body to a second end side of the base body. The mixture formation unit has at least one rectilinearly extending channel which opens into the intake channel section. The channel opens at the first end side of the base body. The mixture formation unit is preferably provided for a two stroke engine whose intake channel is divided downstream of the mixture formation unit into a mixture channel and an air channel.
    Type: Grant
    Filed: June 5, 2020
    Date of Patent: July 12, 2022
    Assignee: Andreas Stihl AG & Co. KG
    Inventors: Felix Servatius, Wolfgang Luithardt, Horst Denner, Martin Christoph Arenz
  • Patent number: 11386721
    Abstract: A system for analysis of operation of a hand-guided working apparatus, wherein the working apparatus includes a working tool and a drive system for driving the working tool, includes an optical recording device configured for recording a temporal succession of images of a working procedure on a workpiece using the working tool, an identification device configured for identifying a temporal succession of operational data values of the drive system during recording of the temporal succession of images, and at least one output device configured for outputting in each case at least one of the recorded images together with at least one identified operational data value correlated in time thereto.
    Type: Grant
    Filed: March 27, 2019
    Date of Patent: July 12, 2022
    Assignee: Andreas Stihl AG & Co. KG
    Inventors: Patrick Russ, Tommy Roitsch, Friedrich Hollmeier, Claus Naegele, Michael Unterkircher, Michael Gramm
  • Patent number: 11359591
    Abstract: A pulley assembly for a starter device for starting an internal combustion engine of a hand-guided power tool has a pulley with an axis of rotation extending in axial direction. A circumferential side of the pulley is positioned outwardly in radial direction relative to the axis of rotation. A circumferential recess is arranged at the circumferential side and accommodates a starter rope. The pulley is provided with a spring receptacle. A connecting spring is disposed in the spring receptacle and has a first end fixedly connected to the pulley. The spring receptacle and the recess overlap each other, viewed in the axial direction and viewed in the radial direction. A starter device is provided with the pulley assembly and a second end of the connecting spring is fixedly connected to a coupling device of the starter device that couples the pulley to the crankshaft of the combustion engine.
    Type: Grant
    Filed: March 10, 2020
    Date of Patent: June 14, 2022
    Assignee: Andreas Stihl AG & Co. KG
    Inventors: Markus Nefzger, Carel Karrar
  • Patent number: 11355810
    Abstract: A cell holder structure for holding a plurality of battery cells includes a holder base part and a holder cover part forming an array of cell-receiving spaces and cell intermediate spaces lying inbetween. The holder base part has one or more base side cell supporting pillars extending axially from a base plane of the holder base part into cell intermediate spaces and has a circumferential side securing wall region abutting in an axially and radially position securing manner against a circumferential surface of battery cells to be accommodated in the cell receiving spaces, and/or the holder cover part has one or more cover side cell-supporting pillars which extend axially from a cover plane of the holder cover part into the cell intermediate spaces and have a circumferential side securing wall region abutting in an axially and radially position securing manner against a circumferential surface of the rechargeable battery cells.
    Type: Grant
    Filed: December 20, 2019
    Date of Patent: June 7, 2022
    Assignee: Andreas Stihl AG & Co. KG
    Inventors: Alexander Haertel, Joachim Kolb
  • Patent number: 11343981
    Abstract: A gardening and/or forestry system includes a distance measuring system, including a first distance part and a second distance part, wherein the second distance part is configured to be carried on a body of a gardener and/or forestry worker. The distance measuring system is configured to exchange a measuring signal between the first distance part and the second distance part and to measure a distance between the first distance part and the second distance part based on the exchanged measuring signal. An output device is configured to output information based on the measured distance to the gardener and/or forestry worker.
    Type: Grant
    Filed: July 3, 2018
    Date of Patent: May 31, 2022
    Assignee: Andreas Stihl AG & Co. KG
    Inventors: Friedrich Hollmeier, Harald Mang
  • Patent number: 11333119
    Abstract: A spring casing of a starter device of an internal combustion engine has a base body provided with a spring receptacle. A cover plate is provided to cover at least partially the spring receptacle. A connecting device is provided that connects the cover plate and the base body to each other. The connecting device secures the cover plate against a movement relative to the base body in a direction of a center axis of the spring casing. The connecting device only has a first part that is a component of the base body and a second part that is a component of the cover plate and has no further parts. A starter device with such a spring casing is provided.
    Type: Grant
    Filed: May 25, 2020
    Date of Patent: May 17, 2022
    Assignee: Andreas Stihl AG & Co. KG
    Inventors: Christoph Frankenberg, Jens Berger
  • Patent number: 11310959
    Abstract: A tool head for a hand-guided implement possesses two rotatably mounted tools, wherein a first tool is drivable via a first linkage and a second tool is drivable via a second linkage. The tools are drivable so that they rotate back and forth in opposite directions about a common rotational axis. The first linkage possesses a first drive member coupled to a first coupling member pivotably about a first link axis. The first coupling member is coupled to the first tool pivotably about a second link axis. The second linkage possesses a second drive member coupled to a second coupling member pivotably about a third link axis. The second coupling member is coupled to the second tool pivotably about a fourth link axis. The rotational axis of the tools and the coupling drive axis span a center plane, which runs between the second link axis and the fourth link axis.
    Type: Grant
    Filed: June 14, 2019
    Date of Patent: April 26, 2022
    Assignee: ANDREAS STIHL AG & CO. KG
    Inventor: Ludwig Geromiller
  • Patent number: 11303048
    Abstract: A plug connector for electrically connecting a tag connector to an electrical line of a motor-driven garden and/or forestry working apparatus includes a tag connector receptacle portion and a line receptacle portion. The tag connector receptacle portion has a first surface-clamping leg, a second surface-clamping leg, a first peripheral guiding blade and a second peripheral guiding blade, wherein the surface-clamping legs are disposed so as to be opposite one another and wherein the peripheral guiding blades are disposed so as to be opposite one another.
    Type: Grant
    Filed: December 1, 2020
    Date of Patent: April 12, 2022
    Assignee: Andreas Stihl AG & Co. KG
    Inventors: Georg Maier, Michael Schneider, Mario Haefele, Rolf Walter
  • Patent number: 11296364
    Abstract: A rechargeable battery pack has a cell block. The cell block has a plurality of rechargeable battery cells, wherein at least some of the rechargeable battery cells are physically arranged consecutively from a first cell block end of the cell block in at least a first direction to a second cell block end of the cell block and are electrically connected in series. The battery pack includes an electronics unit, wherein the electronics unit has a measurement electronics part.
    Type: Grant
    Filed: December 20, 2019
    Date of Patent: April 5, 2022
    Assignee: Andreas Stihl AG & Co. KG
    Inventors: Malte Von Hofen, Alexander Nordmann, Joachim Kolb
  • Patent number: 11276889
    Abstract: A device for capturing operating data of a motor-driven tool includes a capture and/or evaluation device, an operating data memory, and/or a communication interface. These components draw electric power from an electrochemical energy store during operation. An operating mode control device operates the components at a temperature above a temperature limit value in a normal temperature operating mode and at a temperature equal to or below the temperature limit value in a low temperature operating mode different from the normal mode, wherein less electric power is drawn in the low temperature operating mode.
    Type: Grant
    Filed: May 3, 2019
    Date of Patent: March 15, 2022
    Assignee: Andreas Stihl AG & Co., KG
    Inventors: Kay-Steffen Gurr, Andre Vaas
  • Patent number: 11268534
    Abstract: A blower wheel is provided with a base member having an axis of rotation and with a rotor of a generator, wherein the rotor is fixedly secured on the blower wheel. At least one magnet is arranged on the rotor. An inertia ring is fixedly secured on the base member at a spacing to the at least one magnet. The inertia ring is made of a first material having a first density and the base member is made of a second material having a second density. The first density is greater than the second density. An internal combustion engine is provided with such a blower wheel.
    Type: Grant
    Filed: December 13, 2016
    Date of Patent: March 8, 2022
    Assignee: Andreas Stihl AG & Co. KG
    Inventors: Andreas Wolf, Wolfgang Weissert, Volker Lempges, Helmut Zimmermann, Günter Wolf, Holger Vollmer, Marcel Förster, Ute Dawin, Jonas Lank
  • Patent number: D945722
    Type: Grant
    Filed: May 3, 2019
    Date of Patent: March 8, 2022
    Assignee: Andreas Stihl AG & CO. KG
    Inventor: Michael Tinius
  • Patent number: D954369
    Type: Grant
    Filed: May 3, 2019
    Date of Patent: June 7, 2022
    Assignee: Andreas Stihl AG & CO. KG
    Inventor: Michael Tinius
  • Patent number: D954370
    Type: Grant
    Filed: May 3, 2019
    Date of Patent: June 7, 2022
    Assignee: Andreas Stihl AG & CO. KG
    Inventor: Michael Tinius