Patents by Inventor John A. Dighton
John A. Dighton has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 12102033Abstract: A harvester including an inlet configured to receive a crop including a stalk, a blade configured to cut the crop into a billet, a sensor configured to detect a three-dimensional appearance of at least a portion of the billet and generate a signal associated with the three-dimensional appearance of the at least a portion of the billet, and a control system having a processor, a memory, and a human-machine interface. The control system is configured to receive the signal from the sensor and programmed to 1) analyze the three-dimensional appearance of the at least a portion of the billet, 2) classify the three-dimensional appearance using an indicator of cut quality and 3) index the indicator of cut quality into the memory.Type: GrantFiled: November 13, 2020Date of Patent: October 1, 2024Assignee: DEERE & COMPANYInventors: Bryan E. Dugas, John A. Dighton, Peter A. Johnson
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Publication number: 20240292780Abstract: A sugarcane harvester to cut sugarcane from a sugarcane field including a chopping system. The chopping system includes a first chopper having a plurality of first blades and a second chopper having a plurality of second blades, wherein the first chopper and the second chopper rotate about their respective axes of rotation to cooperatively cut sugarcane stalk into billets. A motor operatively connected to the first chopper and to the second chopper rotates the first chopper and the second chopper. A chopper timing actuator is configured to continuously adjust a time of interference between a first blade of the plurality of first blades with respect to a second blade of the plurality of second blades, wherein the continuous adjustment maintains a time period of the interference between the first blade and the second blade as the first chopper and the second chopper cut the sugarcane stalk into billets.Type: ApplicationFiled: February 1, 2024Publication date: September 5, 2024Inventors: John A. Dighton, Guy Burch, Herman E. Kelwaski
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Patent number: 11974520Abstract: A control system for a harvester includes a plurality of actuators, each of which moves of one of the following: a knockdown roller for pressing crops down, a side knife for cutting crops along a substantially vertical plane, a base cutter for cutting crops along a substantially horizontal plane, and a crop divider configured to separate crops into rows. The control system also includes a controller in electrical communication with each actuator of the plurality of actuators. The controller receives a signal indicative of an operational position of at least one actuator of the plurality of actuators, and sends a signal to the at least one actuator of the plurality of actuators to initiate movement of the at least one actuator of the plurality of actuators in response to the received signal.Type: GrantFiled: September 14, 2020Date of Patent: May 7, 2024Assignee: Deere & CompanyInventors: Rahul Gunda, Bryan E. Dugas, John A. Dighton, Peter A. Johnson
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Publication number: 20240099191Abstract: An agricultural harvester for harvesting a crop. The agricultural harvester includes a frame and a crop gatherer extending from and being moveably coupled to the frame. The crop gatherer includes one of a crop divider, a crop cutter, or a crop remover. A radar assembly is operatively connected to the crop gatherer, wherein the radar assembly transmits electromagnetic waves toward a ground to identify a ground level. A controller is operatively connected to the radar assembly and the crop gatherer, wherein the controller receives the identified ground level from the radar assembly and adjusts a height of the crop gatherer with respect to the ground.Type: ApplicationFiled: December 11, 2023Publication date: March 28, 2024Inventors: Scott N. Clark, John A. Dighton
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Publication number: 20240016093Abstract: A sugarcane harvester for harvesting sugarcane including a cutting blade to cut sugarcane. The cutting blade is adjustably supported by the sugarcane harvester to cut the sugarcane at a desired height. A radar assembly is coupled to the sugarcane harvester and transmits electromagnetic waves toward a ground surface, wherein reflected electromagnetic waves identify a ground level of the ground surface which is used to adjust a height of the cutting blade with respect to the ground surface. A controller is operatively connected to the radar assembly and to the cutting blade. The controller is adapted to receive the ground level identified by the radar assembly and adjusts a position of the cutting blade with respect to the ground surface based on the identified ground level.Type: ApplicationFiled: July 13, 2022Publication date: January 18, 2024Inventor: John A. Dighton
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Patent number: 11832555Abstract: A harvester includes a feed system operable at a feed speed and configured to feed a crop towards a blade. The blade is configured to cut the crop into crop billet and is operable at a cutting speed. The harvester further includes an optical sensor configured to generate a signal corresponding to a length of the crop billet and a control system with a processor, a memory, and a human-machine interface. The control system is configured to receive the signal and programmed to adjust one or both of the cutting speed or the feed speed based on the signal.Type: GrantFiled: November 30, 2020Date of Patent: December 5, 2023Assignee: DEERE & COMPANYInventors: Alexander C. Reiners, John A. Dighton, Ana E. Carbunaru
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Patent number: 11812694Abstract: A harvester including a mono-camera having a first field of view, where the camera outputs a first image representative of the first field of view, and where the first image is a two-dimensional representation of the first field of view. The harvester also includes a controller in operable communication with the mono-camera, where the controller establishes a second two-dimensional reference frame fixed relative to the first field of view, where the controller identifies a reference point within the first image, where the controller locates the reference point within the second two-dimensional reference frame, and where the controller calculates the location of the reference point relative to the first, three-dimensional reference frame based on the position of the reference point within the second two-dimensional reference frame.Type: GrantFiled: September 30, 2020Date of Patent: November 14, 2023Assignee: Deere & CompanyInventors: John A. Dighton, Bryan E. Dugas, Rahul Gunda, Peter A. Johnson
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Patent number: 11788563Abstract: Systems and methods for determining a pre-charge gas pressure in a gas-charged hydraulic accumulator are disclosed. For example, systems and methods for determining pre-charged gas pressure of a gas-charged hydraulic accumulator included as part of a vehicle are disclosed. Further, the present disclosure provides for determining a pre-charge gas pressure of a gas-charged hydraulic accumulator using a position sensor. The accumulator may form part of a hydraulic system used to move one part of the vehicle relative to another.Type: GrantFiled: December 18, 2020Date of Patent: October 17, 2023Assignee: Deere & CompanyInventors: Alexander C. Reiners, John A. Dighton, Peter A. Johnson
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Publication number: 20230270043Abstract: A method of controlling an agricultural harvesting machine having a harvesting device configured to engage and cut crop on a field. The method includes receiving an indication of field topography in a first area of the field prior to the first area being harvested, controlling a position of the harvesting device to harvest the crop in the first area based on the indication of field topography in the first area, receiving in-situ data from the first area of the field after the first area is harvested by the harvesting device, receiving an indication of field topography in a second area of the field prior to the second area being harvested, and controlling the position of the harvesting device to harvest the crop in the second area based on the in-situ data and the indication of field topography in the second area.Type: ApplicationFiled: February 28, 2022Publication date: August 31, 2023Inventors: Bryan E. DUGAS, Mark S. LOUVIERE, John A. DIGHTON
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Publication number: 20230148473Abstract: A cleaning arrangement for separating a billet material from an extraneous plant matter in a sugarcane harvester includes a cleaning chamber defining an inlet for the billet material and the extraneous plant matter, a first outlet for the extraneous plant matter, and a second outlet for the billet material. A fan is positioned within the cleaning chamber and configured to generate an airflow to direct the extraneous plant matter toward the first outlet. A billet deflector is located between the inlet and the first outlet and configured to direct the billet material toward the second outlet. An actuation mechanism is coupled to the billet deflector and is controllable to adjust the position of the billet deflector. A sensor is configured to generate a signal. A controller is programmed to activate the actuation mechanism to adjust the position of the billet deflector based on the signal.Type: ApplicationFiled: November 16, 2021Publication date: May 18, 2023Inventors: Blain J. Cazenave, Dusk S. Mixon, John A. Dighton
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Patent number: 11528846Abstract: A harvester includes a main frame supported on a ground surface for transport along the ground surface, an inlet for receiving a crop, and a separator for separating the crop into a first portion and a second portion. The separator includes a hood having an outlet, and a fan operable to generate an airflow through the outlet. The hood of the separator is movable relative to the main frame between a transport position and a harvest position. In the transport position, the hood is positioned at a first height above the ground surface. In the harvest position, the hood is positioned at a second height, greater than the first height, above the ground surface.Type: GrantFiled: July 1, 2019Date of Patent: December 20, 2022Assignee: Deere & CompanyInventors: Matthew Hansen, Dusk Mixon, John Dighton, Jeffrey Simoneaux, Eric Richard, Beau Downey, Marcie Words, Andrew Brauning, Blain Cazenave
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Patent number: 11470780Abstract: A bearing coupler assembly that has a bearing housing sized to at least partially receive a bearing assembly, the bearing housing defining a bearing axis therethrough, a shaft positioned at least partially through the bearing housing along the bearing axis, the shaft defining a shaft lip and a fastener end, the bearing assembly coupling the shaft to the bearing housing so the shaft can rotate about the bearing axis relative to the bearing housing, a fastener configured to be coupled to the fastener end of the shaft, a tone wheel positioned axially along the bearing axis between the fastener and the bearing assembly, the tone wheel having at least one indicator, a sensor coupled to the bearing housing and configured to identify when the indicator passes thereby.Type: GrantFiled: May 24, 2021Date of Patent: October 18, 2022Assignee: DEERE & COMPANYInventors: Alexander C. Reiners, John A. Dighton, Guy Burch, Blake C. Gettig, Surfraj Fattepur, Todd J. Rodrigue
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Publication number: 20220167557Abstract: A harvester includes a feed system operable at a feed speed and configured to feed a crop towards a blade. The blade is configured to cut the crop into crop billet and is operable at a cutting speed. The harvester further includes an optical sensor configured to generate a signal corresponding to a length of the crop billet and a control system with a processor, a memory, and a human-machine interface. The control system is configured to receive the signal and programmed to adjust one or both of the cutting speed or the feed speed based on the signal.Type: ApplicationFiled: November 30, 2020Publication date: June 2, 2022Inventors: Alexander C. Reiners, John A. Dighton, Ana E. Carbunaru
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Publication number: 20220151139Abstract: A harvester including an inlet configured to receive a crop including a stalk, a blade configured to cut the crop into a billet, a sensor configured to detect a three-dimensional appearance of at least a portion of the billet and generate a signal associated with the three-dimensional appearance of the at least a portion of the billet, and a control system having a processor, a memory, and a human-machine interface. The control system is configured to receive the signal from the sensor and programmed to 1) analyze the three-dimensional appearance of the at least a portion of the billet, 2) classify the three-dimensional appearance using an indicator of cut quality and 3) index the indicator of cut quality into the memory.Type: ApplicationFiled: November 13, 2020Publication date: May 19, 2022Inventors: Bryan E. Dugas, John A. Dighton, Peter A. Johnson
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Patent number: 11224170Abstract: A hood assembly for a fan that has a base section, a discharge nozzle pivotally coupled to the base section, and a motor coupled between the base section and the discharge nozzle. Wherein, the discharge nozzle is repositionable with the motor to alter the orientation of the discharge nozzle relative to the base section.Type: GrantFiled: December 10, 2018Date of Patent: January 18, 2022Assignee: DEERE & COMPANYInventors: John A. Dighton, Matthew J. Hansen
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Publication number: 20210332836Abstract: Systems and methods for determining a pre-charge gas pressure in a gas-charged hydraulic accumulator are disclosed. For example, systems and methods for determining pre-charged gas pressure of a gas-charged hydraulic accumulator included as part of a vehicle are disclosed. Further, the present disclosure provides for determining a pre-charge gas pressure of a gas-charged hydraulic accumulator using a position sensor. The accumulator may form part of a hydraulic system used to move one part of the vehicle relative to another.Type: ApplicationFiled: December 18, 2020Publication date: October 28, 2021Inventors: ALEXANDER C. REINERS, JOHN A. DIGHTON, PETER A. JOHNSON
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Patent number: 11118605Abstract: An exemplary method generally includes charging hydraulic fluid into or out of a cavity of an accumulator at a controlled flowrate, detecting movement of a machine component from a first position toward a second position, determining an idle time spanning from a start of the charging to detection of the movement of the machine component, and determining a pre-charge of the accumulator based upon the idle time and a flowrate value of the controlled flowrate.Type: GrantFiled: January 11, 2021Date of Patent: September 14, 2021Assignee: DEERE & COMPANYInventors: Alexander Reiners, John A. Dighton, Peter A. Johnson
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Publication number: 20210274712Abstract: A bearing coupler assembly that has a bearing housing sized to at least partially receive a bearing assembly, the bearing housing defining a bearing axis therethrough, a shaft positioned at least partially through the bearing housing along the bearing axis, the shaft defining a shaft lip and a fastener end, the bearing assembly coupling the shaft to the bearing housing so the shaft can rotate about the bearing axis relative to the bearing housing, a fastener configured to be coupled to the fastener end of the shaft, a tone wheel positioned axially along the bearing axis between the fastener and the bearing assembly, the tone wheel having at least one indicator, a sensor coupled to the bearing housing and configured to identify when the indicator passes thereby.Type: ApplicationFiled: May 24, 2021Publication date: September 9, 2021Inventors: Alexander C. Reiners, John A. Dighton, Guy Burch, Blake C. Gettig, Surfraj Fattepur, Todd J. Rodrigue
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Patent number: 11044848Abstract: A bearing coupler assembly that has a bearing housing sized to at least partially receive a bearing assembly, the bearing housing defining a bearing axis therethrough, a shaft positioned at least partially through the bearing housing along the bearing axis, the shaft defining a shaft lip and a fastener end, the bearing assembly coupling the shaft to the bearing housing so the shaft can rotate about the bearing axis relative to the bearing housing, a fastener configured to be coupled to the fastener end of the shaft, a tone wheel positioned axially along the bearing axis between the fastener and the bearing assembly, the tone wheel having at least one indicator, a sensor coupled to the bearing housing and configured to identify when the indicator passes thereby.Type: GrantFiled: June 5, 2019Date of Patent: June 29, 2021Assignee: DEERE & COMPANYInventors: Alexander C. Reiners, John A. Dighton, Guy Burch, Blake C. Gettig, Surfraj Fattepur, Todd J. Rodrigue
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Publication number: 20210015042Abstract: A harvester including a frame supported by a drive assembly for movement along a support surface, a head unit coupled to the harvester and configured to selectively harvest crop material, a camera coupled to the frame and configured to generate one or more images of a field of view, and a controller in operable communication with the camera and the head unit, where the controller is configured to determine one or more crop attributes based at least in part on the one or more images produced by the camera.Type: ApplicationFiled: September 30, 2020Publication date: January 21, 2021Inventors: John A. Dighton, Bryan E. Dugas, Rahul Gunda, Peter A. Johnson