Patents Assigned to Caterpillar Paving Products
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Patent number: 11408134Abstract: In one aspect, a method of controlling an operation of a compactor during a paving operation may include obtaining thermal image data and position data of an asphalt mat using a measuring device on a paving machine, and determining, using a controller, whether a person is on the asphalt mat based on a temperature range and the thermal image data. The method also includes determining, using the controller, a distance between the person and the compactor using the obtained position data and a position of the compactor, and generating, using the controller, a signal for reducing a speed of the compactor when the determined distance between the person and the compactor is less than a maintain speed threshold distance. In other aspects, a related system is provided for controlling a compactor during a paving operation.Type: GrantFiled: April 20, 2020Date of Patent: August 9, 2022Assignee: Caterpillar Paving Products Inc.Inventors: John L. Marsolek, Jacob J. McAlpine, Joshua D. Keyes, Corey B. Hanback
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Publication number: 20220243405Abstract: An auger segment can comprise a base having a first end, a second end opposite the first end in a length direction of the base, a first side, and a second side opposite the first side; a first receptacle projecting from the first side of the base; a second receptacle projecting from the first side of the base; and a flight projecting from the first side of the base between the first receptacle and the second receptacle. A first recess of the first receptacle can be defined by a first sidewall thereof and a second recess of the second receptacle can be defined by a second sidewall thereof. A first through hole can extend through the base in the first recess of the first receptacle and a second through hole can extend through the base in the second recess of the second receptacle.Type: ApplicationFiled: February 2, 2021Publication date: August 4, 2022Applicant: Caterpillar Paving Products Inc.Inventor: Chad M. THIESSE
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Publication number: 20220242232Abstract: According to one example, a system for control of a movement of a working vehicle within a work area is disclosed. The system can optionally include a steering system configured to direct the movement of the working vehicle, an object detection system, as speed sensor, and a controller. The object detection system can have one or more sensors configured to detect an object within the work area. The speed sensor can be configured to measure a speed of the working vehicle over a surface within the work area. The controller can be communicatively coupled to the steering system, the object detection system and the speed sensor. The controller can be configured to control the speed of the working vehicle based upon a steering angle of the working vehicle.Type: ApplicationFiled: February 1, 2021Publication date: August 4, 2022Applicant: Caterpillar Paving Products Inc.Inventors: Nicholas A. Oetken, Todd A. Impola, Timothy M. O'Donnell, John L. Marsolek
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Publication number: 20220244167Abstract: A system includes a carrier assembly, a replacement tool movably supported by the carrier assembly, and a sensor configured to capture sensor data associated with a wear part removably connected to a rotatable drum. The system also includes a controller configured to receive the sensor data from the sensor, and identify the wear part using the sensor data. In such a system, the carrier assembly is configured to move the replacement tool such that an axis of the replacement tool is substantially collinear with an axis of the wear part. Additionally, the replacement tool is configured to remove the wear part from the drum while the axis of the replacement tool is substantially collinear with the axis of the wear part.Type: ApplicationFiled: February 1, 2021Publication date: August 4, 2022Applicant: Caterpillar Paving Products Inc.Inventors: Timothy M. O'Donnell, Eric Steven Engelmann
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Patent number: 11401664Abstract: A milling machine having a height-adjustable machine body includes a longitudinal axis and a lateral axis, a plurality of traction elements, a milling rotor assembly; and a machine height sensor system. The machine height sensor system includes a plurality of laterally adjustable machine height sensors and a plurality of position sensors, each associated with a respective height sensor and measuring a lateral extent of the height sensors.Type: GrantFiled: December 16, 2020Date of Patent: August 2, 2022Assignee: Caterpillar Paving Products Inc.Inventors: Jason W. Muir, Nathaniel S. Doy
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Patent number: 11391307Abstract: A hydraulic tank protection system is disclosed. The hydraulic tank protection system may include a sensor to detect a characteristic of a fluid, a fluid control device to control a flow of the fluid into or out of a reservoir of a hydraulic tank, and an electronic control module to: receive, from the sensor, information indicating the characteristic of the fluid, determine, based on the characteristic of the fluid, whether the fluid comprises a first type of fluid, and selectively provide a control signal to actuate the fluid control device to control the flow of the fluid into or out of the reservoir based on whether the fluid comprises the first type of fluid.Type: GrantFiled: January 21, 2020Date of Patent: July 19, 2022Assignee: Caterpillar Paving Products Inc.Inventors: Nicholas James Argenziano, Nicholas Aaron Greene, Todd M. Jennings
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Patent number: 11377802Abstract: A compaction machine includes a frame and at least one compaction member rotatably mounted to the frame. The compaction machine also includes at least one pneumatic tire movably coupled to the frame. The at least one pneumatic tire is disposed on at least one of a first side and a second side of the at least one compaction member and adjacent to an edge of the at least one compaction member. The at least one pneumatic tire is adapted to selectively move between a deployed position and a retracted position. In the retracted position, the at least one pneumatic tire is raised relative to a work surface. In the deployed position, the at least one pneumatic tire is adapted to provide selective compaction of a portion of the work surface.Type: GrantFiled: November 8, 2019Date of Patent: July 5, 2022Assignee: Caterpillar Paving Products Inc.Inventor: Nicholas Alan Oetken
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Patent number: 11370617Abstract: Some examples described herein include a flexible hopper for a conveyor system. The flexible hopper may include a hopper weldment attached to a frame of the conveyor, wherein the hopper weldment surrounds a charge end of the conveyor, a flexible frame configured to enable an opening of the flexible hopper to expand or contract, and/or a skirt attached to the flexible frame and configured to form an enclosure between the flexible frame and the hopper weldment.Type: GrantFiled: January 24, 2020Date of Patent: June 28, 2022Assignee: Caterpillar Paving Products Inc.Inventors: Colton Hirman, Nathan Mashek, Nick Johnson, Ryan Hutar
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Publication number: 20220186448Abstract: A milling machine having a height-adjustable machine body includes a longitudinal axis and a lateral axis, a plurality of traction elements, a milling rotor assembly; and a machine height sensor system. The machine height sensor system includes a plurality of laterally adjustable machine height sensors and a plurality of position sensors, each associated with a respective height sensor and measuring a lateral extent of the height sensors.Type: ApplicationFiled: December 16, 2020Publication date: June 16, 2022Applicant: Caterpillar Paving Products Inc.Inventors: Jason W. MUIR, Nathaniel S. DOY
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Publication number: 20220186447Abstract: A milling machine includes a cutting rotor accommodated in a rotor enclosure having side plates that are vertically adjustable with respect to a machine frame. To adjust the vertical elevation of the side plates, a plurality of sensors is mounted on the machine frame and associated with an electronic controller that measures and processes the vertical distance between the side plates and work surface. The electronic controller operates a hydraulic system to adjust the vertical distance between the side plates and the work surface. To accommodate changes in work surface topography, the hydraulic system includes a float circuit with an accumulator.Type: ApplicationFiled: December 15, 2020Publication date: June 16, 2022Applicant: Caterpillar Paving Products Inc.Inventors: Jason W. Muir, Derek P. Nieuwsma, Nathaniel S. Doy, Matthew-David S. Frantz
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Publication number: 20220187052Abstract: A milling machine can include a frame; a milling assembly coupled to the frame and including a drum housing and a cutting rotor located within the drum housing; a plurality of load detection sensors extending along a width of the cutting rotor; and a controller operatively coupled to each of the plurality of load detector sensors and configured to determine an active cut width of the cutting rotor based on load information received from the plurality of load detector sensors.Type: ApplicationFiled: December 15, 2020Publication date: June 16, 2022Applicant: Caterpillar Paving Products Inc.Inventors: Eric S. Engelmann, Sean Robert Laclef
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Publication number: 20220186446Abstract: A milling machine may include a frame supported by a traction device, a milling drum for milling a surface and supported on the frame, and a conveyor for receiving milled material from the milling drum and conveying the milled material upward to a release point. The milling machine may include a truck sensor configured for monitoring loading of a truck by the milling machine and a controller in communication with the truck sensor to coordinate with the truck sensor and recognize when the truck is full.Type: ApplicationFiled: December 11, 2020Publication date: June 16, 2022Applicant: Caterpillar Paving Products Inc.Inventors: Robert Edwin Carr, Eric S. Engelmann, Keng Yew Anthony Low, Jacob Simmer, Conwell K. Rife, JR.
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Publication number: 20220184671Abstract: A method and system for removing material build-up in a mixing chamber of a rotary mixer machine. The system includes one or more actuators coupled to the mixing chamber and to a frame of the rotary mixer machine. Further, the system includes a controller configured to receive an input and activate the one or more actuators in response to the input to induce a forward and backward rocking motion in the mixing chamber to cause a dislodgement of the material build-up from the mixing chamber. The mixing chamber executes the forward and backward rocking motion between a first position and a second position about an axis disposed transversally to a length of the rotary mixer machine.Type: ApplicationFiled: December 14, 2020Publication date: June 16, 2022Applicant: Caterpillar Paving Products Inc.Inventor: Jacob Matthew Saari
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Publication number: 20220184757Abstract: A method of removing cutting bits from a milling work machine includes engaging a cutting bit connected to a rotary drum of the machine with a bit removal tool, actuating the bit removal tool to disconnect the bit from the machine, sensing a plurality of characteristics of removing the bit from the machine, and determining that the bit has been disconnected from the machine based on the sensed characteristics.Type: ApplicationFiled: December 11, 2020Publication date: June 16, 2022Applicant: Caterpillar Paving Products Inc.Inventors: Nicholas B. Johnson, Jameson Michael Smieja
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Patent number: 11358805Abstract: Some examples described herein include a flexible hopper for a conveyor system. The flexible hopper may include a hopper weldment attached to a frame of the conveyor, wherein the hopper weldment surrounds a charge end of the conveyor, a flexible connector that is attached to the hopper weldment and configured to enable an opening of the flexible hopper to expand or contract, and a flexible skirt that is folded over the flexible connector. The flexible skirt may include a plurality of flexible strips configured to form an enclosure between the flexible connector and the hopper weldment.Type: GrantFiled: January 29, 2020Date of Patent: June 14, 2022Assignee: Caterpillar Paving Products Inc.Inventors: Daniel Heim, Colton Hirman
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Publication number: 20220176400Abstract: A work machine can include a frame; a spray system couple to the frame and including a spray bar having a plurality of nozzles; a pressure sensor to detect a pressure of a liquid within the spray bar; and a controller to determine whether the detected pressure of the liquid within the spray bar has exceeded a pre-determined pressure threshold.Type: ApplicationFiled: December 4, 2020Publication date: June 9, 2022Applicant: Caterpillar Paving Products Inc.Inventor: Brian J. Schlenker
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Publication number: 20220178091Abstract: A milling machine includes an engine that generates output power, a rotor that receives the output power from the engine, and a drivetrain coupled to the engine and the rotor for transmitting the output power to the rotor based on a desired output of the rotor. The drivetrain includes a transmission system defining an input end coupled to the engine for receiving the output power therefrom and an output end, wherein the transmission system allows variation in an output of the rotor without altering a load on the engine. The drivetrain includes a power transmitting arrangement coupled to the output end of the transmission system. The drivetrain includes a gearbox coupled to the power transmitting arrangement and the rotor for transmitting the output power to the rotor, wherein the power transmitting arrangement is disposed between the transmission system and the gearbox.Type: ApplicationFiled: December 4, 2020Publication date: June 9, 2022Applicant: Caterpillar Paving Products Inc.Inventor: Brian Joe Schlenker
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Patent number: 11353111Abstract: A rotary mixer can include a frame, a rotor attached to the frame, four wheels attached to the frame for moving the rotary mixer, and a drive system for driving the four wheels, the drive system can include four independent hydrostatic drive loops, each of the independent hydrostatic drive loops associated with one of the wheels such that each one of the independent hydrostatic drive loops independently drives one of the four wheels; wherein the drive system includes a pressure balance mode of operation for relatively good traction ground or road conditions, and a wheel speed synchronization mode of operation for relatively poor traction ground or road conditions.Type: GrantFiled: February 11, 2019Date of Patent: June 7, 2022Assignee: Caterpillar Paving Products Inc.Inventors: Thomas J. Olson, Corwin E. Storer, Ryan A. Enot, Matthew-David S. Frantz, Derek P. Nieuwsma, Rustin G. Metzger, Nathaniel S. Doy
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Patent number: 11352767Abstract: A work machine includes an engine power management system. The work machine includes an engine, a hydraulic temperature sensor, and a coolant temperature sensor. The hydraulic temperature sensor is configured to monitor and transmit a hydraulic fluid temperature, and the coolant temperature sensor is configured to monitor and transmit a coolant fluid temperature. The work machine also includes an engine controller and a machine controller. The engine controller includes a processor, and is operatively associated with the engine and the coolant fluid temperature sensor. The machine controller includes a processor, and is operatively associated with the hydraulic fluid temperature sensor and the engine controller. The machine controller is configured to transmit a torque limit command to the engine controller when the hydraulic fluid temperature or the coolant fluid temperature exceeds a predetermined temperature threshold.Type: GrantFiled: April 20, 2020Date of Patent: June 7, 2022Assignee: Caterpillar Paving Products Inc.Inventors: Kyle David Hendricks, Jeffrey L. Stern
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Patent number: D957473Type: GrantFiled: December 14, 2021Date of Patent: July 12, 2022Assignee: Caterpillar Paving Products Inc.Inventors: Mark D. Behn, Brian Nagel, Terril Johnson, Robert Iverson, Andrew Torkelson