Patents Assigned to Hamm AG
  • Patent number: 12188188
    Abstract: A method for providing information related to the compaction state of soil when performing a compaction operation with a soil compactor includes: a) detecting a vertical acceleration and a horizontal acceleration of a vibratory roller when moving a soil compactor over soil to be compacted, b) determining a measurement relationship between a ground contact force and a deflection of the vibratory roller for one vibration cycle using the vertical acceleration and horizontal acceleration detected in operation a), c) determining a simulation relationship between the ground contact force and the deflection for one vibration cycle using a ground model taking into account at least one simulation parameter, d) comparing the simulation relationship to the measurement relationship, and e) determining that a default value of the at least one simulation parameter taken into account in the ground model substantially represents a corresponding soil parameter of the soil to be compacted when the simulation relationship subst
    Type: Grant
    Filed: October 4, 2021
    Date of Patent: January 7, 2025
    Assignee: Hamm AG
    Inventors: Fritz Kopf, Johannes Pistrol, Mario Hager, Dietmar Adam, Tobias Fehr, Werner Völkel
  • Patent number: 12110640
    Abstract: A soil working roller for a soil processing machine comprises a roller body (22), rotatable about a roller axis of rotation (W), with a support structure (28) for rotatable mounting of the roller body (22) and with a support sheath (34) supported radially outward on the support structure (22), further comprising a working sheath (38), which contacts a support sheath outer side (36) and provides a working exterior (46) of the soil working roller (20) and comprises a plurality of working sheath segments (40), following one another in the circumferential direction, wherein each working sheath segment (40) has a segment shell (42) and a plurality of radially inwardly projecting fastening means (76) are fixedly arranged on each segment shell (42) facing the support sheath outer side (36) of the support sheath (34) and/or on the segment shell inner side supporting the support sheath outer side (36), and wherein a fastening means through opening (78) is provided in the support sheath (34) in association with each fa
    Type: Grant
    Filed: July 23, 2021
    Date of Patent: October 8, 2024
    Assignee: HAMM AG
    Inventor: Matthias Meier
  • Patent number: 12018440
    Abstract: A soil preparation roller system for a soil preparation machine includes a roller body rotatable around a roller rotational axis having a carrier structure for the rotatable mounting of the roller body and having a carrier jacket supported on the radial outside on the carrier structure, a group of working jackets to be positioned abutting a carrier jacket outer side and providing a working outer side of a soil preparation roller. Each working jacket includes a plurality of working jacket segments to be arranged successively in the circumferential direction completely enclosing the roller body annularly, and the group of working jackets includes at least two working jackets having essentially equal mass to one another.
    Type: Grant
    Filed: August 2, 2021
    Date of Patent: June 25, 2024
    Assignee: HAMM AG
    Inventor: Matthias Meier
  • Patent number: 11976426
    Abstract: A soil processing machine, in particular a soil compactor, includes at least one drive roller and an electrohydraulic drive system for driving at least one drive roller. The drive system has a traction hydraulic circuit having at least one hydraulic motor and at least one hydraulic pump. The circuit includes a first line region between a first connection fitting of the at least one hydraulic pump and a first connection fitting of each hydraulic motor to drive the at least one drive roller in a first rotatable direction and a second line region between a second connection fitting of the at least one hydraulic pump and a second connection fitting of each hydraulic motor to drive the at least one drive roller in a second, opposite rotatable direction. A valve assembly is provided with each line region for selectively interrupting and releasing a fluid flow connection between the at least one hydraulic pump and at least one hydraulic motor.
    Type: Grant
    Filed: October 20, 2022
    Date of Patent: May 7, 2024
    Assignee: HAMM AG
    Inventors: Thomas Klein, Stefan Braunschläger, Ronny Pieske, Michael Sperber, Josef Dagner
  • Patent number: 11971099
    Abstract: A soil processing machine includes a hydraulic drive system including an electrohydraulic pressurized fluid source with at least one electric motor and at least one hydraulic drive pump, a hydraulic drive circuit fed with pressurized fluid by the at least one hydraulic drive pump, at least one hydraulic drive motor fed with pressurized fluid from the hydraulic drive circuit, and a discharge valve assembly for discharging fluid from the hydraulic drive circuit to a fluid reservoir. The hydraulic drive system is designed to operate the discharge valve assembly as a function of at least one of the following parameters: a temperature of the fluid in the hydraulic drive circuit, an ambient temperature, a viscosity of the fluid in the hydraulic drive circuit, a degree of contamination of the fluid in the hydraulic drive circuit, a period of time since the last start-up of the hydraulic drive system, a period of time since the last fluid was discharged from the hydraulic drive circuit.
    Type: Grant
    Filed: September 19, 2022
    Date of Patent: April 30, 2024
    Assignee: HAMM AG
    Inventors: Thomas Klein, Ronny Pieske
  • Patent number: 11959244
    Abstract: A roller tool for a ground processing roller of a ground processing machine includes a tool carrier to be fixed on an outer circumferential side of a carrier cladding of a ground processing roller, a quick-change tool holder to be detachably fixed on the tool carrier, and an exchangeable tool to be detachably fixed on the quick-change tool holder.
    Type: Grant
    Filed: November 23, 2021
    Date of Patent: April 16, 2024
    Assignee: HAMM AG
    Inventors: Matthias Meier, Marina Striegl
  • Patent number: 11913178
    Abstract: An oscillation module for a compacting roller of a soil compactor includes a plate-like carrier, at least two oscillation mass units supported on the carrier at a distance from one another, and an oscillation drive motor supported on the carrier. The carrier has a connection formation for firmly connecting the carrier to a carrier structure of a compacting roller. Each oscillation mass unit includes an imbalance mass rotatably supported on the carrier about an oscillation axis of rotation. Each imbalance mass of each oscillation mass unit can be driven by the oscillation drive motor for rotation about the respectively assigned oscillation axis of rotation.
    Type: Grant
    Filed: January 4, 2022
    Date of Patent: February 27, 2024
    Assignee: HAMM AG
    Inventor: Peter Janner
  • Patent number: 11882779
    Abstract: An earth working roller comprises a support structure (11), wherein to form a roller body (36) rotatable about a roller axis of rotation (A) on a radially outer region of the support structure (11), a plurality of first earth working units (30) is provided extending substantially in the direction of the roller axis of rotation (A) and/or a plurality of second earth working units (38) is provided extending substantially in the circumferential direction.
    Type: Grant
    Filed: February 11, 2021
    Date of Patent: January 30, 2024
    Assignee: HAMM AG
    Inventor: Matthias Meier
  • Patent number: 11844295
    Abstract: An earth working roller comprises a support structure (11), wherein to form a roller body (36) rotatable about a roller axis of rotation (A) on a radially outer region of the support structure (11), a plurality of first earth working units (30) is provided extending substantially in the direction of the roller axis of rotation (A) and/or a plurality of second earth working units (38) is provided extending substantially in the circumferential direction.
    Type: Grant
    Filed: February 11, 2021
    Date of Patent: December 19, 2023
    Assignee: HAMM AG
    Inventor: Matthias Meier
  • Patent number: 11781278
    Abstract: An unbalance arrangement for a compactor roller of a soil compacter includes a first unbalance mass unit rotatable around an unbalance axis of rotation having a first center of mass eccentric with respect to the unbalance axis of rotation, a second unbalance mass unit rotatable around the unbalance axis of rotation having a second center of mass eccentric with respect to the unbalance axis of rotation, an unbalance drive for jointly driving the first unbalance mass unit and the second unbalance mass unit to rotate around the unbalance axis of rotation, and a phase position adjustment unit for adjusting a phase position of the first center of mass with respect to the second center of mass around the unbalance axis of rotation. The phase position adjustment unit includes a spur gear arrangement in the torque transmission path between the unbalance drive and the first unbalance mass unit or the second unbalance mass unit.
    Type: Grant
    Filed: April 16, 2021
    Date of Patent: October 10, 2023
    Assignee: HAMM AG
    Inventors: Gerhard Wolfrum, Peter Jänner
  • Patent number: 11697921
    Abstract: According to one example, a working machine includes a projection arrangement to generate a hologram, wherein the hologram presents a virtual operating element or a virtual display and a movement/position detection arrangement to detect a movement or a position of an operator. The working machine of the example also includes a control unit to control the operation of the working machine based on the detected movement or position of an operator and based on the basis of the hologram generated by the projection arrangement, wherein the projection arrangement is to generate the hologram at different positions or with different content in association with different operating positions to be assumed by an operator on an operator platform or the movement/position detection arrangement is designed to detect the movement or the position of an operator in different operating positions on the operator platform.
    Type: Grant
    Filed: July 31, 2018
    Date of Patent: July 11, 2023
    Assignee: HAMM AG
    Inventor: Werner Völkel
  • Patent number: 11692317
    Abstract: A soil compactor includes at least one compactor roller, which is free to rotate about an axis of rotation of the roller, with a plurality of roller segments, which follow one another along the direction of the axis of rotation of the roller. In each case, at least one electromotive drive for producing an oscillating torque is assigned to each roller segment.
    Type: Grant
    Filed: May 27, 2020
    Date of Patent: July 4, 2023
    Assignee: HAMM AG
    Inventors: Sebastian Villwock, Werner Völkel
  • Patent number: 11542669
    Abstract: A soil working roller for a soil processing machine, in particular a soil compactor, comprising a roller shell (44) extending longitudinally in a direction of a roller axis of rotation (D) and delimiting a roller interior (26), at least one ballast unit (46, 48) arranged in the roller interior (26), characterized in that each ballast unit (46, 48) comprises at least one ballast element (54) supported with respect of the roller shell (24) by means of an elastic suspension assembly (58), wherein the at least one ballast element (54) is permanently coupled to the roller shell (24) by the suspension assembly (58) and is movable with respect to the roller shell in the radial direction, axial direction, and circumferential direction, and/or a plurality of ballast units (46, 48) is provided in the roller interior (26) arranged in series in the circumferential direction, wherein each ballast unit (46, 48) comprises at least one ballast element supported with respect to the roller shell (24) by means of an elastic sus
    Type: Grant
    Filed: December 2, 2020
    Date of Patent: January 3, 2023
    Assignee: HAMM AG
    Inventor: Franz Meixner
  • Patent number: 11541748
    Abstract: A tank system for a construction machine includes a fuel tank having an outer tank wall that closes off a tank volume to the outside, a withdrawal tank volume, which is separated by a partition wall from a main tank volume of the tank volume and has a fuel-exchanging connection to the main tank volume, and a fuel withdrawal arrangement having a main fuel pump and a withdrawal line opening into the withdrawal tank volume for conveying fuel by the main fuel pump via the withdrawal line from the withdrawal tank volume to a fuel-consuming system region. The tank system also includes a fuel feed arrangement having an auxiliary fuel pump for conveying fuel from the main tank volume into the withdrawal tank volume.
    Type: Grant
    Filed: November 25, 2020
    Date of Patent: January 3, 2023
    Assignee: Hamm AG
    Inventors: Gerd Köstler, Stefan Reber, Armin Landstorfer
  • Patent number: 11519138
    Abstract: A soil processing machine includes a machine frame with two longitudinal beams substantially extending in the longitudinal direction of the machine and two transverse beams substantially extending transverse to the longitudinal beams. A soil-processing roller is supported in the longitudinal direction between the transverse beams on the longitudinal beams so that it can rotate about an axis of rotation of the roller. A coupling arrangement is provided on the machine frame for attaching the machine frame to a further machine frame of the soil-processing machine or to a further machine. A lifting/supporting arrangement is provided on the machine frame for lifting and/or supporting the machine frame in relation to the ground. One of the transverse beams is supported on the two longitudinal beams so that it can rotate about a swivel axis substantially parallel to an axis of rotation of the roller.
    Type: Grant
    Filed: December 16, 2019
    Date of Patent: December 6, 2022
    Assignee: HAMM AG
    Inventors: Matthias Meier, Christopher Prechtl
  • Patent number: 11505095
    Abstract: A seat device for a construction machine comprising a positioning device and a seat console having a seat arranged thereon, wherein the positioning device comprises a first pivot arm and a second pivot arm for guiding the seat console along a curved trajectory, wherein the pivot arms respectively comprise a first end and a second end, wherein the respective first end of the pivot arms is supported on the positioning device via a respective first rotary joint, and the respective second end of the pivot arms is connected to the seat console via a respective second rotary joint in a manner as spaced apart from each other.
    Type: Grant
    Filed: November 17, 2020
    Date of Patent: November 22, 2022
    Assignee: Hamm AG
    Inventors: Gernot Reif, Stefan Reber
  • Patent number: 11459711
    Abstract: A soil processing machine includes a machine frame having two longitudinal members positioned parallel to a machine longitudinal direction and spaced from each other transversely to the machine longitudinal direction, and two transverse members positioned extending transversely to the machine longitudinal direction and spaced from each other in the machine longitudinal direction. A soil processing roller is supported on the longitudinal members such as to be rotatable about a roller rotational axis and positioned between the transverse members in the machine longitudinal direction. A coupling assembly couples the machine frame to another machine frame of the soil processing machine or to another machine. A chassis assembly includes at least one height-adjustable chassis unit supported on the machine frame.
    Type: Grant
    Filed: December 13, 2019
    Date of Patent: October 4, 2022
    Assignee: HAMM AG
    Inventors: Matthias Meier, Christopher Prechtl
  • Patent number: 11427269
    Abstract: An articulated/swivel joint for the articulated connection between a rear section and a front section of a construction machine includes a joint mechanism assigned to a swivel-stop arrangement for limiting the swivel movement of a front joint part in relation to a rear joint part. The swivel-stop arrangement includes a first swivel stop for predetermining a maximum amount of swivel deflection during deflection of the front joint part in relation to the rear joint part in a first swivel-movement direction and a second swivel stop for predetermining a second maximum amount of swivel deflection during deflection of the front joint part in relation to the rear joint part in a second swivel-movement direction. When an articulated movement is performed, the maximum swivel-deflection range decreases as the amount of articulated deflection increases, starting from a neutral position of articulation of the front joint part in relation to the rear joint part.
    Type: Grant
    Filed: June 24, 2019
    Date of Patent: August 30, 2022
    Assignee: Hamm AG
    Inventors: Gerd Köstler, Stefan Reber
  • Patent number: 11420689
    Abstract: A soil processing machine, in particular a soil compactor, comprises a control cabin (18) having at least one control cabin door (20) pivotably supported on a door frame (22) between a closed position and an open position, wherein a handle formation (48) for pivoting the control cabin door (20) between the closed position and the open position is provided on at least one control cabin door (20) on a door inside (53) facing a control cabin interior (51) in the closed position, further comprising a fixing arrangement (46) for fixing the control cabin door (20) in the open position, wherein the fixing arrangement (46) is operable by means of the handle formation (48) for releasing the control cabin door (20) fixed in the open position.
    Type: Grant
    Filed: February 5, 2020
    Date of Patent: August 23, 2022
    Assignee: Hamm AG
    Inventors: Heiko Schabner, Rainer Krockauer, Peter Preisinger
  • Patent number: 11312422
    Abstract: A control station for a soil-processing machine includes a control station floor region and at least one floor window provided in the control station floor region. The floor window in the control station floor region is supported so that it can swivel between an open position and a closed position.
    Type: Grant
    Filed: March 2, 2020
    Date of Patent: April 26, 2022
    Assignee: HAMM AG
    Inventor: Detlef Bornemann