# US 10,501,904 B2 · Compacting roll > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 10,501,904 B2 - Document ID: US10501904B2 - Status: Granted - Kind: B2 - Application number: 16/142,083 - Filed: 2018-09-26 - Published: 2019-03-28 - Granted: 2019-12-10 - Earliest claimed: 2017-09-27 - Assignees: Hamm AG - Applicants: Hamm AG - Inventors: Franz Meixner - Web page: https://patentgrep.com/patent/US10501904B2 ## CPC - E02D 3/074: Vibrating apparatus operating with systems involving rotary unbalanced masses (E02D3/054 takes precedence) - B06B 1/16: operating with systems involving rotary unbalanced masses - E01C 19/282: {self-propelled, e.g. with an own traction-unit (E01C19/285 - E01C19/288 take precedence)} - E01C 19/286: {Vibration or impact-imparting means; Arrangement, mounting or adjustment thereof; Construction or mounting of the rolling elements, transmission or drive thereto, e.g. to vibrator mounted inside the roll (E01C19/287 and E01C19/288 take precedence)} - E02D 3/026: by rolling with rollers usable only for or specially adapted for soil compaction, e.g. sheepsfoot rollers (rollers for soil working in agriculture A01B29/00; rollers for road paving, such rollers usable also for compacting soil E01C19/23) - E01C 19/488: {with rollers for consolidating or finishing combined with tamping, vibrating, pressing or smoothing consolidation or finishing means (E01C19/4886 takes precedence)} - E02D: FOUNDATIONS; EXCAVATIONS; EMBANKMENTS (specially adapted for hydraulic engineering E02B); UNDERGROUND OR UNDERWATER STRUCTURES {(tunnels, tunnelling, mining E21)} - B06B: METHODS OR APPARATUS FOR GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS OF INFRASONIC, SONIC, OR ULTRASONIC FREQUENCY, {e.g.} FOR PERFORMING MECHANICAL WORK IN GENERAL (for particular applications, see the relevant subclasses, e.g. B07B1/40, B23Q17/12, B24B31/06; measurement of mechanical vibrations G01H; in direction finding, locating, distance or velocity measuring G01S; {generating seismic energy G01V1/02}; control of mechanical vibrations in general G05D; sound-producing devices, e.g. bells, sirens, whistles G10K, {e.g. methods or devices for transmitting, conducting, or directing sound in general G10K11/00}; generation of electrical oscillations H03B; electromechanical resonators in general H03H; electromechanical transducers {for communication techniques, e.g. microphones, speakers} H04R) - E01C: CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR (forming roads or like surfaces by compacting or grading snow or ice E01H) ## Abstract A compacting roll for a soil compactor includes a roll shell concentrically surrounding a roll rotational axis, a roll inner space and two oscillatory arrangements, at least partially arranged within the roll inner space, for generating the oscillating torque impinging on the roll shell with respect to the roll rotational axis, whereat each oscillatory arrangement includes at least two oscillation mass units that are rotatable around the respective oscillation rotational axis and at least one oscillation drive motor to serve exclusively for driving the oscillation mass units of this oscillatory arrangement. The oscillation mass units of different oscillatory arrangements can be offset from each other in the direction of the roll rotation axis. ## Claims ### Claim 1 A compacting roll for a soil compactor, comprising a roll shell concentrically surrounding a roll rotational axis, a roll inner space and two oscillatory arrangements, at least partially arranged within the roll inner space, for generating an oscillating torque impinging on the roll shell with respect to the roll rotational axis, whereat each oscillatory arrangement comprises at least two oscillation mass units that are rotatable around the respective oscillation rotational axis and at least one oscillation drive motor to serve exclusively for driving the oscillation mass units of this oscillatory arrangement, whereat the oscillation mass units of different oscillatory arrangements are offset from one another in direction of the roll rotational axis and do not overlap one another in the direction of the roller rotation axis, and wherein each oscillatory arrangement features at least two oscillation mass units that are arranged in pairs opposite one another with respect to the roller rotation axis. ### Claim 2 (depends on 1) The compacting roll according to claim 1, wherein at least one oscillatory arrangement features at least two oscillation mass units of an oscillatory arrangement that are not offset from one another in the direction of the roll rotation axis. ### Claim 3 (depends on 1) The compacting roll according to claim 1, wherein each oscillatory arrangement features at least two oscillation mass units that are arranged in pairs opposite one another with respect to the roller rotation axis, with an angular distance of 180°. ### Claim 4 (depends on 1) The compacting roll according to claim 1, wherein the oscillation mass units of different oscillatory mass arrangements are arranged with respect to each other in such a way, that at least one each oscillation mass unit of an oscillatory mass arrangement is provided with an oscillation mass unit of the other oscillatory mass arrangement coaxially arranged to it. ### Claim 5 (depends on 1) The compacting roll according to claim 1, wherein a rotational position sensor is provided in association with each oscillatory arrangement for providing information regarding the rotational position of the oscillation mass units of this oscillatory arrangement, and in that a control arrangement is provided for controlling the oscillation drive motors based on the information provided by the rotational position sensors. ### Claim 6 (depends on 1) The compacting roll according to claim 1, wherein at least one oscillatory arrangement is provided with a belt drive for driving the oscillation mass units of said oscillatory arrangement for rotation around their oscillation rotational axes. ### Claim 7 (depends on 1) The compacting roll according to claim 1, wherein one of the oscillatory arrangements is arranged in a length-halved area of the roll inner space and the other oscillatory arrangement is arranged in the other length-halved area of the roll inner space. ### Claim 8 (depends on 1) The compacting roll according to claim 1, wherein the oscillating arrangements do not overlap one another in the direction of the roll rotational axis. ### Claim 9 (depends on 1) A soil compactor comprising at least one compacting roll according to claim 1.