Patents Assigned to Hamm AG
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Patent number: 12376508Abstract: A sheath for a soil working roller includes a plurality of sheath segments mounted or mountable to surround a roller body of the soil working roller and following one another in the circumferential direction. A plurality of roller tools is arranged on an outer side of the sheath segments and at least one part of the roller tools includes an interchangeable holder mounted on a respective sheath segment and a replaceable tool detachably mounted or mountable on the interchangeable holder. A fastening opening is formed in the interchangeable holder for accommodating a fastening shaft of a replaceable tool mounted or to be mounted on the interchangeable holder. An impacted tool through opening is provided in association with the at least one interchangeable holder in the sheath segment supporting the same for engaging the fastening shaft of the replaceable tool mounted on the interchangeable holder with an impacted tool.Type: GrantFiled: July 23, 2021Date of Patent: August 5, 2025Assignee: Hamm AGInventor: Matthias Meier
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Patent number: 12370913Abstract: A soil processing machine, in particular a soil compactor, comprising at least one battery (28) supported on a machine frame (24) and at least one consumer of electrical energy (30) fed from the at least one battery (28), further comprising at least one interchangeable charging module (32) which is detachably supported on the machine frame (24), has a battery connection region (95) for connecting the at least one interchangeable charging module (32) to a battery management system (34), and has a voltage supply connection region (84) for connecting the at least one interchangeable charging module (32) to an external voltage source.Type: GrantFiled: October 10, 2022Date of Patent: July 29, 2025Assignee: Hamm AGInventors: Josef Dagner, Stefan Braunschläger, Michael Sperber, Stefan Bäuml
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Patent number: 12296667Abstract: A soil processing machine, in particular a soil compactor, comprises a machine frame and a casing (26, 28) carried on the machine frame and/or at least partially providing it and bounding a unit receptacle space (24), wherein the casing (26, 28) has a cooling air inlet area (30) and a cooling air outlet area (32) for cooling air flowing through the unit receptacle space (24), wherein a plurality of units around which cooling air can flow through the unit receptacle space (24) from the cooling air inlet area (30) to the cooling air outlet area (32) are arranged in the unit receptacle space (24), wherein at least two of the units arranged in the unit receptacle space (24) have maximum permissible operating temperatures different from one another and at least one unit having higher maximum permissible operating temperature is arranged upstream in a cooling air flow direction from the cooling air inlet area (30) to the cooling air outlet area (32) with respect to at least one unit having lower maximum permissibleType: GrantFiled: October 10, 2022Date of Patent: May 13, 2025Assignee: Hamm AGInventors: Josef Dagner, Thomas Klein, Stefan Braunschläger, Ronny Pieske, Markus Golbs
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Patent number: 12188188Abstract: 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 substType: GrantFiled: October 4, 2021Date of Patent: January 7, 2025Assignee: Hamm AGInventors: Fritz Kopf, Johannes Pistrol, Mario Hager, Dietmar Adam, Tobias Fehr, Werner Völkel
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Patent number: 12110640Abstract: 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 faType: GrantFiled: July 23, 2021Date of Patent: October 8, 2024Assignee: HAMM AGInventor: Matthias Meier
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Patent number: 12018440Abstract: 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: GrantFiled: August 2, 2021Date of Patent: June 25, 2024Assignee: HAMM AGInventor: Matthias Meier
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Patent number: 11976426Abstract: 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: GrantFiled: October 20, 2022Date of Patent: May 7, 2024Assignee: HAMM AGInventors: Thomas Klein, Stefan Braunschläger, Ronny Pieske, Michael Sperber, Josef Dagner
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Patent number: 11971099Abstract: 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: GrantFiled: September 19, 2022Date of Patent: April 30, 2024Assignee: HAMM AGInventors: Thomas Klein, Ronny Pieske
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Patent number: 11959244Abstract: 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: GrantFiled: November 23, 2021Date of Patent: April 16, 2024Assignee: HAMM AGInventors: Matthias Meier, Marina Striegl
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Patent number: 11913178Abstract: 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: GrantFiled: January 4, 2022Date of Patent: February 27, 2024Assignee: HAMM AGInventor: Peter Janner
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Patent number: 11882779Abstract: 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: GrantFiled: February 11, 2021Date of Patent: January 30, 2024Assignee: HAMM AGInventor: Matthias Meier
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Patent number: 11844295Abstract: 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: GrantFiled: February 11, 2021Date of Patent: December 19, 2023Assignee: HAMM AGInventor: Matthias Meier
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Patent number: 11781278Abstract: 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: GrantFiled: April 16, 2021Date of Patent: October 10, 2023Assignee: HAMM AGInventors: Gerhard Wolfrum, Peter Jänner
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Patent number: 11697921Abstract: 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: GrantFiled: July 31, 2018Date of Patent: July 11, 2023Assignee: HAMM AGInventor: Werner Völkel
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Patent number: 11692317Abstract: 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: GrantFiled: May 27, 2020Date of Patent: July 4, 2023Assignee: HAMM AGInventors: Sebastian Villwock, Werner Völkel
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Patent number: 11542669Abstract: 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 susType: GrantFiled: December 2, 2020Date of Patent: January 3, 2023Assignee: HAMM AGInventor: Franz Meixner
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Patent number: 11541748Abstract: 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: GrantFiled: November 25, 2020Date of Patent: January 3, 2023Assignee: Hamm AGInventors: Gerd Köstler, Stefan Reber, Armin Landstorfer
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Patent number: 11519138Abstract: 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: GrantFiled: December 16, 2019Date of Patent: December 6, 2022Assignee: HAMM AGInventors: Matthias Meier, Christopher Prechtl
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Patent number: 11505095Abstract: 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: GrantFiled: November 17, 2020Date of Patent: November 22, 2022Assignee: Hamm AGInventors: Gernot Reif, Stefan Reber
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Patent number: 11459711Abstract: 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: GrantFiled: December 13, 2019Date of Patent: October 4, 2022Assignee: HAMM AGInventors: Matthias Meier, Christopher Prechtl