Compacting Roller With Vibrating Means Patents (Class 404/117)
  • Patent number: 10196791
    Abstract: A compacting machine includes a frame supporting a compacting member and a monitoring system. The monitoring system includes a sensor, a computer-readable medium bearing a compacting member monitoring program, a controller, and an interface device in communication with the controller. The sensor is arranged with the compacting member to sense a parameter of its ground-engaging surface and to generate a surface parameter signal indicative of the parameter. The controller is in communication with the sensor to receive the surface parameter signal therefrom and is configured to execute the compacting member monitoring program. The compacting member monitoring program is configured to determine whether a piece of the material being compacted becomes adhered to the ground-engaging surface based upon the surface parameter signal satisfying a condition and to produce, through the interface device, an indicator alerting the operator once the surface parameter signal satisfies the condition.
    Type: Grant
    Filed: November 27, 2017
    Date of Patent: February 5, 2019
    Assignee: Caterpillar Paving Products Inc.
    Inventor: Nicholas A. Oetken
  • Patent number: 10072386
    Abstract: A vibration system for a compactor drum including a central support structure fixedly mounted within the compactor drum. The vibration system also includes a first vibratory exciter coupled to the central support structure. The vibration system further includes a second vibratory exciter coupled to the central support structure. The second vibratory exciter is longitudinally spaced apart from the first vibratory exciter. The vibration system includes a stabilizer element coupled to, and extending between, the first and second vibratory exciters. The stabilizer element is parallel to the central support structure.
    Type: Grant
    Filed: May 11, 2017
    Date of Patent: September 11, 2018
    Assignee: Caterpillar Paving Products Inc.
    Inventors: Joseph Alan Lehtola, Nicholas Alan Oetken
  • Patent number: 10036129
    Abstract: A vibratory compacting machine may include an engine, a main frame supporting the engine, and a compacting element mounted on the main frame and driven by the engine. The vibratory compacting machine may further include a vibratory system housed within the compacting element and configured to rotate about a rotation axis to vibrate the compacting element. The vibratory compacting machine may further include a control system configured to control a direction of rotation of the vibratory system. The control system may reverse the direction of rotation of the vibratory system when a predetermined number of pass counts is reached or when a predetermined density of the compactable material is reached.
    Type: Grant
    Filed: April 20, 2016
    Date of Patent: July 31, 2018
    Assignee: Caterpillar Paving Products Inc.
    Inventors: Nicholas Alan Oetken, Federico Rio
  • Patent number: 9737910
    Abstract: An eccentric assembly for a compaction machine comprises an outer eccentric member that is longitudinally elongated cylinder shaped and has a partial longitudinal opening through the length; an inner eccentric member that is longitudinally elongated cylinder shaped and has a partial longitudinal opening through the length and rotatably connected inside of said outer eccentric member so that the inner eccentric member can rotate with respect to the outer eccentric member around the same axis of rotation.
    Type: Grant
    Filed: February 10, 2014
    Date of Patent: August 22, 2017
    Assignee: VOLVO CONSTRUCTION EQUIPMENT AB
    Inventors: Howard Smith, Edward Magalski, Petar Milkovic, Aman Mahajan
  • Patent number: 9725855
    Abstract: An assembly for vibrating a compacting drum of a compacting machine includes a shaft rotatably mountable to a compacting drum of the compacting machine. The center of mass of the shaft is offset from the geometrical rotation axis of the shaft. An outer eccentric member is arranged outside of the shaft, wherein the center of mass of the outer eccentric member is offset from the geometrical rotation axis of the shaft. The outer eccentric member is displaceably mounted relative to the shaft for adjustment of the eccentricity of the assembly. An extension of the outer eccentric member in a direction parallel with the geometrical rotation axis of the shaft is at least two times an average extension of the outer eccentric member in a radial direction perpendicular to the geometrical rotation axis of shaft such that a mass of the outer eccentric member forms a distributed load along the geometrical rotation axis of the shaft.
    Type: Grant
    Filed: April 25, 2013
    Date of Patent: August 8, 2017
    Assignee: Volvo Construction Equipment AB
    Inventor: Michael Kreische
  • Patent number: 9593453
    Abstract: A vibratory compaction roller has a pretensioning mechanism that exerts a pretension or biasing force between the drum and the motor housing that inhibits relative axial movement between the output shaft of each drive motor and the associated motor housing, thus significantly reducing the generation of noise that would otherwise be created during machine operation. The pretensioning mechanism may take the form of one or more springs positioned between the drum and a drum support that also supports the motor. Bushings are provided between the springs and the drum to accommodate rotational motion between each spring and the drum. Alternatively, the pretensioning mechanism may be provided on a side of the drum opposite the motor and may pull the drum away from the motor.
    Type: Grant
    Filed: March 27, 2015
    Date of Patent: March 14, 2017
    Assignee: Wacker Neuson Production Americas LLC
    Inventors: Arber Halimi, Paul Sina
  • Patent number: 9587361
    Abstract: A compactor system for compacting a work material includes a roller drum, a vibratory mechanism, and a controller. The roller drum is configured to compact a work material. The vibratory mechanism is coupled to the roller drum and operatively coupled to the controller. The controller is configured to determine a vibration effort based on a vibration parameter, and further configured to generate an output signal to control the vibratory mechanism to apply the vibration effort to the roller drum. The controller includes at least one sensor and a processor. The at least one sensor is configured to sense a first data parameter of the work material and a second data parameter of the roller drum. The processor is configured to calculate the vibration parameter based on the first data parameter and the second data parameter.
    Type: Grant
    Filed: April 8, 2015
    Date of Patent: March 7, 2017
    Assignee: Caterpillar Paving Products Inc.
    Inventors: Nicholas Oetken, John Marsolek, Maria Biberdorf, Bryan Downing
  • Patent number: 9464641
    Abstract: An hydraulic transmission device (10,110) comprising an hydraulic motor (16, 18), an hydraulic pump (20), a fluid accumulator (22). The device has an accumulator-driven mode, an energy-recovery mode, a pump-driven mode. In the pump-driven mode, the pump supplies the motor with fluid drawn from an unpressurized reservoir; and in the energy-recovery mode, the motor is supplied by the pump drawing fluid from said reservoir. An assembly (1) comprising a device (10,110) as defined above, a shaft (11, 13), and a mass (12, 14) mounted eccentrically on the shaft.
    Type: Grant
    Filed: January 31, 2012
    Date of Patent: October 11, 2016
    Assignee: POCLAIN HYDRAULICS INDUSTRIE
    Inventor: Jean Heren
  • Patent number: 9334621
    Abstract: An eccentric shaft for a compacting machine is rotatable about a rotational axis and includes a fixed and movable eccentric mass where the movable eccentric mass cooperates with the fixed eccentric mass in one of the directions of rotation of the eccentric shaft to partly balance the fixed eccentric mass in the other rotation direction of the eccentric shaft. At least one section of the fixed eccentric mass shows a maximal radial extension (UB) in relation to the rotational axis, limited by an arc-shaped curve, which extends to a circle shape, with the diameter (D) showing a distance (A), between the point (P) on the circle-shaped curve that is located closest to the point of intersection of the rotational axis and the section plane, and the point of intersection, from 0 up to 0.1(D).
    Type: Grant
    Filed: November 17, 2014
    Date of Patent: May 10, 2016
    Assignee: Dynapac Compaction Equipment AB
    Inventors: Andreas Persson, Hans Christensen
  • Patent number: 9267245
    Abstract: Apparatus and method provides for an improved steering system for an articulated vibratory roller machine. Steering can be accomplished without the use of a dedicated steering actuator. Instead, steering angles may be created by independently driving left and right side drum halves at the front and rear ends of the machine at different speeds and/or directions. This differential action creates the desired steering angle by rotating the front and back halves of the machine about a central articulated joint. As a result, a cost-effective and versatile solution that eliminates the need for conventional steering components and their associated disadvantages is provided.
    Type: Grant
    Filed: October 17, 2014
    Date of Patent: February 23, 2016
    Assignee: Wacker Neuson Production Americas LLC
    Inventor: Michael Braun
  • Patent number: 9234316
    Abstract: A vibratory pothole packer includes a frame that supports an engine and a rotatable drum, and a rotatable eccentric shaft is supported within the drum. The eccentric shaft may be a drum shaft with a mass welded to its surface. The eccentric shaft is supported within the drum by bearings, and is also supported on the frame by bearings. The engine shaft can be selectively linked with eccentric shaft to selectively effect vibrational rotation of the eccentric shaft. The small, lightweight pothole packer is manually movable on a surface by one person, and can be moved along a surface either while the eccentric shaft rotates or while the eccentric shaft is not rotating. The center of mass of the eccentric shaft is offset towards one end of the shaft to allow the vibratory pothole packer to be easily moved in a straight line along a surface.
    Type: Grant
    Filed: February 4, 2015
    Date of Patent: January 12, 2016
    Assignee: VIBCO, INC.
    Inventor: Theodore S. Wadensten
  • Patent number: 9206564
    Abstract: A drum assembly for a vibratory compactor and method of retrofitting a vibratory compactor to measure the acceleration and/or vibratory movement of a drum rotatably mounted on the frame of the vibratory compactor. The drum assembly may comprise a drum including a shell, a mounting wall disposed inside the drum and a bulkhead disposed inside the drum and attached to the shell, a first bearing disposed between the frame and the mounting wall, a second bearing, a sensor, and a strap. The first bearing may include an inner race fixedly mounted to the frame. The second bearing may comprise a hub and a bearing shaft circumscribed by the hub and mounted to the bulkhead of the drum. The strap may be attached to the inner race and the hub.
    Type: Grant
    Filed: April 29, 2014
    Date of Patent: December 8, 2015
    Assignee: Caterpillar Paving Products Inc.
    Inventors: John L. Marsolek, Jeffrey A. Renard, Brian G. Moriarity, Joseph A. Lehtola
  • Patent number: 9103077
    Abstract: A vibratory mechanism for a compaction machine, the vibratory mechanism including first and second eccentrics, and a key shaft including oppositely helically splined portions. The first helically splined portion is complimentary to and disposed at least partially within a first internally helically splined bore of the first eccentric. The second helically splined portion is complimentary to and disposed at least partially within second internally helically splined bore of the second eccentric. The key shaft is disposed to linearly translate within the helically spined bores to cause the second eccentric to rotate in a direction opposite the first eccentric.
    Type: Grant
    Filed: January 3, 2014
    Date of Patent: August 11, 2015
    Assignee: Caterpillar Paving Products Inc.
    Inventor: Nicholas A. Oetken
  • Patent number: 9039324
    Abstract: A compaction device includes at least one traveling drum rotatable about a drum shaft and having vibration exciters including unbalanced masses rotating out of phase by 180 degrees in the same direction of rotation and generating an oscillation torque about the drum shaft, and having a drive shaft running coaxial to the drum shaft for driving the vibration exciters. The drum is divided at least once and each drum part includes at least two coupled vibration exciters mounted at a distance from the drum shaft in the drum.
    Type: Grant
    Filed: November 29, 2010
    Date of Patent: May 26, 2015
    Assignee: HAMM AG
    Inventors: Hans-Peter Ackermann, Peter Janner
  • Publication number: 20150139731
    Abstract: An eccentric shaft for a compacting machine is rotatable about a rotational axis and includes a fixed and movable eccentric mass where the movable eccentric mass cooperates with the fixed eccentric mass in one of the directions of rotation of the eccentric shaft to partly balance the fixed eccentric mass in the other rotation direction of the eccentric shaft. At least one section of the fixed eccentric mass shows a maximal radial extension (UB) in relation to the rotational axis, limited by an arc-shaped curve, which extends to a circle shape, with the diameter (D) showing a distance (A), between the point (P) on the circle-shaped curve that is located closest to the point of intersection of the rotational axis and the section plane, and the point of intersection, from 0 up to 0.1(D).
    Type: Application
    Filed: November 17, 2014
    Publication date: May 21, 2015
    Inventors: Andreas Persson, Hans Christensen
  • Patent number: 9028168
    Abstract: A concrete finishing machine includes a mobile frame supported above the slab on front and rear wheels with at least one screed roller and a plurality of vibrators are suspended from the frame between the front and rear wheels. The front and rear wheels are rotatable at least ninety degrees between a longitudinally directed traveling orientation and a laterally directed concrete finishing orientation. The front and rear wheels are driven and steerable so that the mobile frame may travel longitudinally down a lane of a road, and then upon pivoting of the wheels, move laterally over a hole in an adjacent lane having uncured concrete to be finished by the finishing machine.
    Type: Grant
    Filed: August 14, 2013
    Date of Patent: May 12, 2015
    Inventor: Ronald A. Knapp
  • Patent number: 8967910
    Abstract: A vibratory compactor includes a roller and an eccentric shaft. The roller is rotatably mounted on a main frame and may include a first vertical support and a second vertical support. The eccentric shaft is rotatably connected between the first vertical support and the second vertical support in the roller. The eccentric shaft includes a first end, a second end, a first eccentric weight, a second eccentric weight, and a center portion, casted as a single piece. The first eccentric weight is proximal to the first end and the second eccentric weight is proximal to the second end. The center portion may be disposed between the first eccentric weight and the second eccentric weight. The center portion may include at least one cavity on a surface of the center portion. The at least one cavity is elongated between the first eccentric weight and the second eccentric weight.
    Type: Grant
    Filed: January 22, 2014
    Date of Patent: March 3, 2015
    Assignee: Caterpillar Paving Products Inc.
    Inventors: Eric A Hansen, Matthew D. Chisholm
  • Patent number: 8961066
    Abstract: The present invention relates to a compacting machine comprising a shaft, an unbalanced mass and a drum, wherein the shaft is connected both to the unbalanced mass and to the drum and is adapted to transfer imbalance forces from the unbalanced mass to the drum, and further wherein the shaft is mounted in a plain bearing.
    Type: Grant
    Filed: December 10, 2013
    Date of Patent: February 24, 2015
    Assignee: BOMAG GmbH
    Inventors: Thomas Darscheid, Robert Laux
  • Publication number: 20150003911
    Abstract: A vibratory compactor having a first compacting element having a variable vibratory mechanism that sets a modifiable compaction effort, a second compacting element, a first sensor configured to measure a first surface compactability associated with the first compacting element, a second sensor configured to measure a second surface compactability associated with the second compacting element and a control system. The control system is configured to receive the first surface compactability, receive the second surface compactability, determine a target compaction effort for the first compacting element based on the first surface compactability and the second surface compactability, and modify the variable vibratory mechanism to set the compaction effort at the target compaction effort.
    Type: Application
    Filed: June 28, 2013
    Publication date: January 1, 2015
    Inventor: Nicholas A. Oetken
  • Publication number: 20140341650
    Abstract: A device for detection of the motion of a compactor roller (20) of a soil compactor (10) rotatable about an axis of rotation (A), where said roller comprises on one inside of a roller mantle (22) a plurality of motion sensors (ai) arranged in the circumferential direction around the axis of rotation (A) and at a spacing from each other and moveable with the roller mantle (22) around the axis of rotation (A).
    Type: Application
    Filed: December 13, 2012
    Publication date: November 20, 2014
    Applicant: HAMM AG
    Inventors: Sebastian Villwock, Werner Völkel
  • Patent number: 8827593
    Abstract: A vibratory compactor includes a first compacting element having a variable vibratory mechanism that sets a modifiable compaction effort, a second compacting element, a fluid reservoir, a first sensor configured to measure a first data parameter associated with the fluid reservoir, and a control system. The control system is configured to receive the first data parameter, determine a target compaction effort for the first compacting element based on the first data parameter; and modify the variable vibratory mechanism to set the compaction effort at the target compaction effort.
    Type: Grant
    Filed: June 28, 2013
    Date of Patent: September 9, 2014
    Assignee: Caterpillar Paving Products Inc.
    Inventor: Nicholas A. Oetken
  • Publication number: 20140205380
    Abstract: A vibratory ride-on roller machine includes a chassis supported on front and rear vibrating drum assemblies that compact the surface on which the machine travels. The machine is controlled via a control assembly including a control lever. A number of control elements for controlling operations of the roller machine are located on the control lever, the operations including one or more of turning the exciter assembly on and off, switching between exciter assemblies, controlling the level of vibration of the exciter assemblies, controlling a spray assembly, and sounding a horn element. The control elements are advantageously positioned to enable operator actuation regardless of the operator's orientation on the roller and regardless of the position of the control lever within its operating stroke.
    Type: Application
    Filed: January 18, 2013
    Publication date: July 24, 2014
    Applicant: Wacker Neuson Production Americas LLC
    Inventor: Daniel Geier
  • Patent number: 8770887
    Abstract: A vibratory ride-on roller machine includes a chassis supported on front and rear vibrating drum assemblies that compact the surface on which the machine travels. The machine is controlled via a control assembly including a control lever. A number of control elements for controlling operations of the roller machine are located on the control lever, the operations including one or more of turning the exciter assembly on and off, switching between exciter assemblies, controlling the level of vibration of the exciter assemblies, controlling a spray assembly, and sounding a horn element. The control elements are advantageously positioned to enable operator actuation regardless of the operator's orientation on the roller and regardless of the position of the control lever within its operating stroke.
    Type: Grant
    Filed: January 18, 2013
    Date of Patent: July 8, 2014
    Assignee: Waacker Neuson Production Americas LLC
    Inventor: Daniel Geier
  • Publication number: 20140161529
    Abstract: The present invention relates to a compacting machine comprising a shaft, an unbalanced mass and a drum, wherein the shaft is connected both to the unbalanced mass and to the drum and is adapted to transfer imbalance forces from the unbalanced mass to the drum. The task of providing a compacting machine in which the provision of the unbalanced mass requires less space is achieved in that the shaft is mounted in a plain bearing.
    Type: Application
    Filed: December 10, 2013
    Publication date: June 12, 2014
    Applicant: BOMAG GmbH
    Inventors: Thomas Darscheid, Robert Laux
  • Publication number: 20140161531
    Abstract: The invention relates to an unbalance type exciter (6) for a soil compaction device. This exciter comprises a carrying structure (5) as well as an unbalance weight (8, 9), which by means of a bearing (11a, 11b) is supported at the carrying structure (5) in rotatable manner around a rotation axis (Y) which in the intended use is stationary with respect to the carrying structure (5), for generating an intermittent exciting force for causing the carrying structure (5) in the intended use to vibrate. The bearing (11a, 11b) of the unbalance weight (8, 9) is arranged at least partially within the space which is circled by the unbalance weight (8, 9) when rotating around the rotation axis (y). Owing to the fact that this space is used for receiving at least part of the bearing of the unbalance weight (8, 9) it becomes possible to provide unbalance type exciters (6) having very small axial overall length.
    Type: Application
    Filed: July 15, 2011
    Publication date: June 12, 2014
    Applicant: AMMANN SCHWEIZ AG
    Inventors: Martin Schärer, Christoph Anliker
  • Patent number: 8727660
    Abstract: The invention relates to a soil compacting device having an exciter part (1), which has an unbalance exciter (2) for producing an intermittent exciter force and a contact surface (3) for transmitting a force component of the exciter force directed perpendicularly to the contact surface (3) to the soil surface (4) to be compacted as a pulsing compressive force. The device also has a vibration damper part (5), which is connected to the exciter part (1) by means of a spring-damper unit (15). The spring stiffness of the spring-damper unit (15), the damping of the spring damper unit (15), the spring pre-load of the spring-damper unit (15), the mass of the vibration damper part (5), the mass moment of inertia of the vibration damper part (5), the mass of the exciter part (1), and/or the mass moment of inertia of the exciter part (1) can be varied during operation.
    Type: Grant
    Filed: April 16, 2010
    Date of Patent: May 20, 2014
    Assignee: Ammann Schweiz AG
    Inventors: Roland Anderegg, Martin Gerhard, Kuno Kaufmann, Dominik Anton Von Felten
  • Publication number: 20140133909
    Abstract: A vibratory compactor includes a roller and an eccentric shaft. The roller is rotatably mounted on a main frame and may include a first vertical support and a second vertical support. The eccentric shaft is rotatably connected between the first vertical support and the second vertical support in the roller. The eccentric shaft includes a first end, a second end, a first eccentric weight, a second eccentric weight, and a center portion, casted as a single piece. The first eccentric weight is proximal to the first end and the second eccentric weight is proximal to the second end. The center portion may be disposed between the first eccentric weight and the second eccentric weight. The center portion may include at least one cavity on a surface of the center portion. The at least one cavity is elongated between the first eccentric weight and the second eccentric weight.
    Type: Application
    Filed: January 22, 2014
    Publication date: May 15, 2014
    Applicant: CATERPILLAR PAVING PRODUCTS INC.
    Inventors: Eric A. Hansen, Matthew D. Chisholm
  • Publication number: 20140119827
    Abstract: The present invention relates to an asphalt pavement constructing machine and a method for operating an asphalt pavement constructing machine provided with an asphalt compacting surface for compacting asphalt mix on a paving surface during an asphalt pavement formation operation. At least one exciter is provided that vibrates the compacting surface at one or more frequencies selected to prevent the asphalt mix from adhering to the compacting surface.
    Type: Application
    Filed: October 26, 2012
    Publication date: May 1, 2014
    Applicant: VOLVO CONSTRUCTION EQUIPMENT AB
    Inventors: John R. Haupt, Michael P. MacDonald
  • Publication number: 20140064850
    Abstract: The present invention relates to a surface compactor and a method of operating a surface compactor. The surface compactor is provided with at least one compacting surface for compacting a substrate an excitation system that generates a substantially square wave vibrational displacement or force that vibrates the least one compacting surface during compaction to increase the compaction rate of the substrate.
    Type: Application
    Filed: May 20, 2011
    Publication date: March 6, 2014
    Applicant: VOLVO CONSTRUCTION EQUIPMENT AB
    Inventors: Michael P. MacDonald, Dale W. Starry, JR.
  • Patent number: 8639420
    Abstract: A worksite-management system includes a display component and one or more information-processors. The one or more information-processors may be configured to acquire information about a history of travel of one or more non-compactor mobile machines across a terrain surface of a worksite. The one or more information-processors may also be configured to process the acquired information to generate a digital map indicative of compaction of the terrain surface as a function of the history of travel of the one or more non-compactor mobile machines across the terrain surface. Additionally, the one or more information-processors may be configured to present on the display component information related to the compaction of the terrain surface as a function of the history of travel of the one or more non-compactor mobile machines across the terrain surface.
    Type: Grant
    Filed: December 29, 2010
    Date of Patent: January 28, 2014
    Assignee: Caterpillar Inc.
    Inventors: Paul Thomas Corcoran, Allen John DeClerk, Katherine Christine Braddy
  • Patent number: 8608403
    Abstract: A machine comprising a vibratory compactor assembly having a cylindrical drum connected to the machine with an axle. The assembly has a shaft extending concentrically through the center of the cylindrical drum that has a first end and a second end. The shaft has an electromagnet between its first end and second end. The electromagnet can receive electric current to create a magnetic field that applies an attractive magnetic force between the shaft and the drum that pulls the shaft and at least a portion of the drum toward one another.
    Type: Grant
    Filed: March 28, 2012
    Date of Patent: December 17, 2013
    Assignee: Caterpillar Paving Products Inc.
    Inventor: Ryan T. Thiesse
  • Patent number: 8602679
    Abstract: The present invention relates to a construction machine having a machine frame and an operator platform structure which is vibration-decoupled in relation to the machine frame via at least one damping element. A hitch device is arranged on the operator platform structure, which is designed for lifting the construction machine. The present invention is characterized in that a limiting device is also provided which limits the maximum load of the at least one damping element upon lifting of the construction machine via the operator platform structure and allows a direct force relay between the operator platform structure and the machine frame while bypassing the damping element. The construction machine is preferably a tandem roller.
    Type: Grant
    Filed: January 23, 2013
    Date of Patent: December 10, 2013
    Assignee: BOMAG GmbH
    Inventors: Helmut Roetsch, Matthias Bender, Bjoern Hammen
  • Patent number: 8585317
    Abstract: A vibratory roller machine includes a chassis supported on one or more drum assemblies including an exciter assembly for compacting the ground on which the machine travels. The machine is operated via a number of drive and exciter motors powered by a series hybrid drive system. The series hybrid drive system includes an engine and generator that are configured to provide power to the system under nominal operating conditions. The series hybrid drive system further includes a power storage system, such as battery bank or a capacitor bank that is configured to provide the motors with additional power during peak power demand. The vibratory roller machine may, for example, be a walk-behind trench roller or ride-on roller.
    Type: Grant
    Filed: May 8, 2012
    Date of Patent: November 19, 2013
    Assignee: Wacker Neuson Production Americas LLC
    Inventor: Paul Sina
  • Publication number: 20130302089
    Abstract: A vibratory roller machine includes a chassis supported on one or more drum assemblies including an exciter assembly for compacting the ground on which the machine travels. The machine is operated via a number of drive and exciter motors powered by a series hybrid drive system. The series hybrid drive system includes an engine and generator that are configured to provide power to the system under nominal operating conditions. The series hybrid drive system further includes a power storage system, such as battery bank or a capacitor bank that is configured to provide the motors with additional power during peak power demand. The vibratory roller machine may, for example, be a walk-behind trench roller or ride-on roller.
    Type: Application
    Filed: May 8, 2012
    Publication date: November 14, 2013
    Inventor: Paul Sina
  • Patent number: 8556039
    Abstract: A system and method for lubricating a key shaft in a compaction machine is disclosed. The compaction machine may include a spline oil cavity and a key shaft in fluid communication with the spline oil cavity. The key shaft may include an axial splined portion and a helical splined portion on an outer surface thereof, a longitudinal lubricating passage extending through a substantial length of the key shaft and a plurality of additional lubricating passages intersecting the longitudinal lubricating passage. The system and method may additionally include lubricating the axial splined portion and the helical splined portion of the key shaft with the lubricating oil drawn from the spline oil cavity.
    Type: Grant
    Filed: June 29, 2011
    Date of Patent: October 15, 2013
    Assignee: Caterpillar Paving Products Inc.
    Inventors: John L. Marsolek, Nicholas A. Oetken, Nathan L. Mashek, Eric A. Hansen
  • Publication number: 20130259570
    Abstract: A machine comprising a vibratory compactor assembly having a cylindrical drum connected to the machine with an axle. The assembly has a shaft extending concentrically through the center of the cylindrical drum that has a first end and a second end. The shaft has an electromagnet between its first end and second end. The electromagnet can receive electric current to create a magnetic field that applies an attractive magnetic force between the shaft and the drum that pulls the shaft and at least a portion of the drum toward one another.
    Type: Application
    Filed: March 28, 2012
    Publication date: October 3, 2013
    Applicant: CATERPILLAR INC.
    Inventor: Ryan T. Thiesse
  • Patent number: 8500363
    Abstract: A compactor includes a frame and a compacting element coupled to the frame. An edge wheel assembly is also coupled to the frame and is adjustable between a raised configuration and a lowered configuration at which an edge wheel contacts a substrate outboard of the compacting element. The compactor further includes a spray system for the edge wheel, and a control device in control communication with the spray system and configured to command activation of the spray system responsive to detecting lowering of the edge wheel.
    Type: Grant
    Filed: April 30, 2012
    Date of Patent: August 6, 2013
    Assignee: Caterpillar Paving Products Inc.
    Inventors: Michael W. Ries, Mark L. Norton
  • Publication number: 20130170908
    Abstract: A vibratory tamper comprises a roller assembly, a chassis, a frame, and a vibrator. The roller assembly includes a roller drum having a roller surface. The chassis is supported on the roller assembly. The chassis includes a body and a grip. The frame is engaged by the grip of the chassis. The frame includes a handle positioned to be used by an operator to support at least a portion of the frame during operation of the vibratory tamper. The vibrator is supported on the chassis and operable to transfer vibration through the chassis to the roller assembly.
    Type: Application
    Filed: January 3, 2013
    Publication date: July 4, 2013
    Inventor: Joseph W. LINDLEY
  • Patent number: 8414220
    Abstract: An apparatus for flattening a half-dry concrete floor includes a plurality of pressure rollers arranged such that axes of them are parallel with one another in an imaginary plane, a holder rotatably supporting the pressure rollers at opposite ends of the pressure rollers, an oscillation-transmitter formed integral with the holder for transmitting oscillation to the pressure rollers, and an oscillator for oscillating the oscillation-transmitter.
    Type: Grant
    Filed: February 9, 2012
    Date of Patent: April 9, 2013
    Assignee: Josei Techno Co., Ltd.
    Inventor: Yoshiyuki Koba
  • Patent number: 8393826
    Abstract: Apparatus for transferring a linear load through a high-speed rotating member includes a linear actuator containing an axially translatable cylinder rod. A mounting adapter fixed against axial and rotary movement is rigidly affixed to an actuator cylinder containing the cylinder rod. An elongate guide sleeve, fixed to the mounting adapter, extends axially from the adapter to accommodate an axially translatable thrust bearing affixed to one end of the cylinder rod. The guide sleeve contains a linear slot for accommodating a guide pin affixed to the thrust bearing housing, and transversely movable within the linear slot to prevent rotation of both bearing housing and cylinder rod components.
    Type: Grant
    Filed: August 31, 2011
    Date of Patent: March 12, 2013
    Assignee: Caterpillar Inc.
    Inventors: John L. Marsolek, Nicholas A. Oetken, Nathan L. Mashek, Eric A. Hansen
  • Patent number: 8393825
    Abstract: A vibratory compactor machine includes a machine frame and a roller drum rotatably coupled to the frame and rotatable about a drum axis oriented generally traverse to the direction of travel of the machine. A vibration assembly is disposed inside the roller drum. The vibration assembly includes a first eccentric member and a second eccentric member rotatably disposed in the roller drum and rotatable about a respective first and second eccentric axes orientated perpendicularly to the drum axis. The roller drum rotates about the drum axis independently of the vibration assembly and the first and second eccentric members.
    Type: Grant
    Filed: November 5, 2010
    Date of Patent: March 12, 2013
    Assignee: Caterpillar Inc.
    Inventors: John L. Marsolek, Eric S. Engelmann
  • Patent number: 8328464
    Abstract: A vibratory roller is provided with an exciter assembly that need not be lubricated by an oil bath because the exciter gears need not be lubricated. At least an outer ring portion of at least one gear of the exciter assembly is formed from a non-metallic material. In one embodiment, a first gear is a composite gear having an outer toothed ring portion formed from a machined nylon material imbedded with at least one of a heat stabilizer and a lubricant, and a second, mating gear is formed from metal and acts as heat sink for the first gear. In another embodiment, both the first and second gears are composite gears having an outer toothed ring formed from a robust and thermally stable molded polymer. The gears can survive when the roller is operated at least 8 hours at a duty cycle of at least 50% while operating the roller at an ambient temperature of over 38° C. (100° F.) and while the exciter shaft is driven at a velocity of over 2,000 RPM and the exciter housing is subjected to over 31.
    Type: Grant
    Filed: February 4, 2011
    Date of Patent: December 11, 2012
    Assignee: Wacker Neuson Production Americas LLC
    Inventors: Paul Sina, Scott Kruepke, Brian White
  • Publication number: 20120301221
    Abstract: A compaction device includes at least one traveling drum rotatable about a drum shaft and having vibration exciters including unbalanced masses rotating out of phase by 180 degrees in the same direction of rotation and generating an oscillation torque about the drum shaft, and having a drive shaft running coaxial to the drum shaft for driving the vibration exciters. The drum is divided at least once and each drum part includes at least two coupled vibration exciters mounted at a distance from the drum shaft in the drum.
    Type: Application
    Filed: November 29, 2010
    Publication date: November 29, 2012
    Inventors: Hans-Peter Ackermann, Peter Janner
  • Patent number: 8246271
    Abstract: An apparatus for compacting road shoulders is provided comprising a primary carriage adapted to be mounted to a vehicle, an attachment carriage adjustably mounted to the primary carriage, a compacting attachment adjustably mounted to the attachment carriage, a control system in communication with at least one actuator, and a vibrator disposed on the apparatus. The apparatus for compacting road shoulders able to be positioned within a normal width of a vehicle, vibrationally compact the road shoulder, and adjust according to a grade of the shoulder.
    Type: Grant
    Filed: April 30, 2010
    Date of Patent: August 21, 2012
    Inventor: Keith Verhoff
  • Publication number: 20120201602
    Abstract: A vibratory roller is provided with an exciter assembly that need not be lubricated by an oil bath because the exciter gears need not be lubricated. At least an outer ring portion of at least one gear of the exciter assembly is formed from a non-metallic material. In one embodiment, a first gear is a composite gear having an outer toothed ring portion formed from a machined nylon material imbedded with at least one of a heat stabilizer and a lubricant, and a second, mating gear is formed from metal and acts as heat sink for the first gear. In another embodiment, both the first and second gears are composite gears having an outer toothed ring formed from a robust and thermally stable molded polymer. The gears can survive when the roller is operated at least 8 hours at a duty cycle of at least 50% while operating the roller at an ambient temperature of over 38° C. (100° F.) and while the exciter shaft is driven at a velocity of over 2,000 RPM and the exciter housing is subjected to over 31.
    Type: Application
    Filed: February 4, 2011
    Publication date: August 9, 2012
    Inventors: Paul Sina, Scott Kruepke, Brian White
  • Publication number: 20120155961
    Abstract: A method for compacting a surface of granular materials is disclosed. The method is applicable to wheeled compaction equipment such as pneumatic-tire compactors, drum-type compactors and asphalt compactors. The propel system includes a controller programmed to send a first at least substantially constant propel command that propels the compaction equipment in a forward direction. The controller then changes the speed of the compaction equipment by providing a second varying propel command that may increase or decrease the speed resulting from the first command. As a result, the speed of the compaction equipment oscillates, and the compaction process is improved.
    Type: Application
    Filed: December 15, 2010
    Publication date: June 21, 2012
    Applicant: CATERPILLAR, INC.
    Inventor: Mark L. Norton
  • Patent number: 8186906
    Abstract: A screed machine is formed with a forwardly positioned screed assembly including a wedge portion and pivoted wing members. The frame is supported on two rollers spaced behind the screed assembly, which is mounted on a mast for vertical movement in conjunction with a laser receiver that provides a signal from a laser level indicating the final desired grade of the stone base. The machine can be turned at a corner by extension of a jack stand to elevate the machine for rotation about the axis defined by the centrally located jack stand so that the screed machine can be redirected into a different direction without disturbing the final grade of the stone base. The screed machine is manually moved along the stone base by an operator pulling on the handle pivotally connected to the frame. A sight line provides a monitor for the lateral orientation of the screed assembly.
    Type: Grant
    Filed: June 4, 2010
    Date of Patent: May 29, 2012
    Assignee: SWA Holding Company, Inc.
    Inventor: Melvin M. Zimmerman
  • Publication number: 20120114416
    Abstract: A vibratory compactor machine includes a machine frame and a roller drum rotatably coupled to the frame and rotatable about a drum axis oriented generally traverse to the direction of travel of the machine. A vibration assembly is disposed inside the roller drum. The vibration assembly includes a first eccentric member and a second eccentric member rotatably disposed in the roller drum and rotatable about a respective first and second eccentric axes orientated perpendicularly to the drum axis. The roller drum rotates about the drum axis independently of the vibration assembly and the first and second eccentric members.
    Type: Application
    Filed: November 5, 2010
    Publication date: May 10, 2012
    Applicant: CATERPILLAR INC.
    Inventors: John L. Marsolek, Eric S. Engelmann
  • Publication number: 20120107045
    Abstract: A compactor system includes a tipped drum having a plurality of tips, and a drum axle rotatably coupling the tipped drum to a frame. The compactor system further includes a sensor configured to sense a parameter indicative of a height of the drum axle above a surface of a material substrate, and an electronic control unit configured to output a compaction progress signal responsive to inputs from the sensor. Related methods of preparing a work area with a compactor system, and determining a compaction state of a material substrate, are also disclosed.
    Type: Application
    Filed: November 2, 2010
    Publication date: May 3, 2012
    Applicant: CATERPILLAR, INC.
    Inventors: Allen J. DeClerk, Paul T. Corcoran
  • Patent number: 8142103
    Abstract: A system and method for sensing surface compaction effected by a compactor machine of the type having a vibrating compacting roller, and providing a sensor signal indicating sensed surface compaction to a control mounted on the compactor machine, includes a sensor for sensing compaction and providing a signal indicating sensed surface compaction. The sensor is mounted on the compacting roller support of the compactor machine. The system includes a vibration-to-electric energy converter, mounted with the sensor on the compacting roller support and subjected to vibration. The converter converts the vibration energy to electric energy which may be supplied to the sensor and to a transmitter. The transmitter is powered by the electric energy from said vibration-to-electric energy converter and transmits the sensor signal to a receiver on the machine. The receiver provides the sensor signal to a control for the machine.
    Type: Grant
    Filed: February 20, 2009
    Date of Patent: March 27, 2012
    Assignee: Caterpillar Trimble Control Technologies LLC
    Inventor: Edward Wolf