Patents by Inventor Joseph F. Kucharski

Joseph F. Kucharski 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).

  • Patent number: 11285960
    Abstract: A method for operating a vehicle that includes a driveline disconnect clutch is described. In one example, the method includes adjusting a pressure of the driveline disconnect clutch as a function of an engine pull-up torque minus a driver demand torque when the pressure of the driveline disconnect clutch is between a torque stroke pressure and a hydraulic stroke pressure.
    Type: Grant
    Filed: September 23, 2019
    Date of Patent: March 29, 2022
    Assignee: Ford Global Technologies, LLC
    Inventors: Corey James Blue, Bradley Dean Riedle, Andrew E. Burt, Joseph F. Kucharski
  • Publication number: 20210086775
    Abstract: A method for operating a vehicle that includes a driveline disconnect clutch is described. In one example, the method includes adjusting a pressure of the driveline disconnect clutch as a function of an engine pull-up torque minus a driver demand torque when the pressure of the driveline disconnect clutch is between a torque stroke pressure and a hydraulic stroke pressure.
    Type: Application
    Filed: September 23, 2019
    Publication date: March 25, 2021
    Inventors: Corey James Blue, Bradley Dean Riedle, Andrew E. Burt, Joseph F. Kucharski
  • Patent number: 10563712
    Abstract: A transmission includes at least one shift element for which both the apply pressure and the release pressure are actively controlled. A controller adjusts the torque capacity of the shift element by varying the apply pressure and the release pressure in a coordinated fashion. During particular events, such as a shift event with the shift element as oncoming element or holding element, both the apply pressure and the release pressure are monotonically increased, mitigating the effect of hysteresis.
    Type: Grant
    Filed: July 26, 2017
    Date of Patent: February 18, 2020
    Assignee: Ford Global Technologies, LLC
    Inventors: Joseph F. Kucharski, Diego Campos Venegas, Kimberly Ann Meehan, Bradley Ronald Heuver
  • Patent number: 10451125
    Abstract: A vehicle includes a transmission and a controller. The transmission has clutches that are configured to establish multiple speed ratios, including a first clutch. The first clutch has a measured drag torque distribution. The measured drag torque distribution has a median and a standard deviation. The controller is programmed to increase a pressure at a rate to engage the first clutch and to increase the rate in response to a measured first clutch torque exceeding the median by a predetermined multiple of the standard deviation.
    Type: Grant
    Filed: August 11, 2017
    Date of Patent: October 22, 2019
    Assignee: Ford Global Technologies, LLC
    Inventors: Gregory Michael Pietron, Qi Wang, Yuji Fujii, Rohit Hippalgaonkar, Joseph F. Kucharski, Jason Meyer, Stuart N. Ford
  • Publication number: 20190048947
    Abstract: A vehicle includes a transmission and a controller. The transmission has clutches that are configured to establish multiple speed ratios, including a first clutch. The first clutch has a measured drag torque distribution. The measured drag torque distribution has a median and a standard deviation. The controller is programmed to increase a pressure at a rate to engage the first clutch and to increase the rate in response to a measured first clutch torque exceeding the median by a predetermined multiple of the standard deviation.
    Type: Application
    Filed: August 11, 2017
    Publication date: February 14, 2019
    Inventors: Gregory Michael PIETRON, Qi WANG, Yuji FUJII, Rohit HIPPALGAONKAR, Joseph F. KUCHARSKI, Jason MEYER, Stuart N. FORD
  • Publication number: 20190032777
    Abstract: A transmission includes at least one shift element for which both the apply pressure and the release pressure are actively controlled. A controller adjusts the torque capacity of the shift element by varying the apply pressure and the release pressure in a coordinated fashion.
    Type: Application
    Filed: July 26, 2017
    Publication date: January 31, 2019
    Inventors: Joseph F. KUCHARSKI, Diego Campos VENEGAS, Kimberly Ann MEEHAN, Bradley Ronald HEUVER
  • Patent number: 10180186
    Abstract: A transmission and control method are disclosed which ensure proper stroke pressure and minimize torque transients during a shift event. The transmission includes a clutch having a torque capacity based on a fluid pressure, a torque sensor adapted to measure a torque value that varies in relationship to the torque capacity, and a controller. The method includes varying the fluid pressure around a predetermined value, measuring a resulting torque difference with the torque sensor, and adjusting a clutch control parameter if the resulting torque difference is less than a threshold value.
    Type: Grant
    Filed: April 21, 2016
    Date of Patent: January 15, 2019
    Assignee: FORD GLOBAL TECHNOLOGIES, LLC
    Inventors: Gregory Michael Pietron, Yuji Fujii, Joseph F. Kucharski, Nicholas Joseph Witte, Stephen Michael Cicala, Bradley Dean Riedle, Diana Yanakiev, Nimrod Kapas, Davorin David Hrovat
  • Patent number: 10166980
    Abstract: A vehicle having a drivetrain is controlled based on a difference between a torque transmitted by the drivetrain when the vehicle has constant non-zero speed and the torque transmitted by the drivetrain when the vehicle is accelerating. The drivetrain torque may be measured by a drivetrain torque sensor. The effective vehicle mass is computed from the torque difference. The computed mass of the vehicle is used to adjust the activation of a collision warning system or a collision avoidance system. A method of operating a vehicle where the activation of a collision avoidance system is adjusted based on a difference between a torque transmitted by a drivetrain when the vehicle has constant non-zero speed and the torque transmitted by the drivetrain when the vehicle is accelerating is disclosed. The torque difference is used to compute a vehicle mass that is used to adjust a collision warning distance.
    Type: Grant
    Filed: February 28, 2013
    Date of Patent: January 1, 2019
    Assignee: Ford Global Technologies, LLC
    Inventors: Yuji Fujii, Nimrod Kapas, Joseph F. Kucharski, Diana Yanakiev, Eric Hongtei Tseng, Jianbo Lu, Gregory Michael Pietron
  • Patent number: 9945300
    Abstract: A method of operating a vehicle includes measuring a transmission output torque, measuring impeller and turbine speeds, estimating a transmission component torque, and adjusting an engine torque to avoid overstressing a transmission component such as a gear. The method does not rely on an accurate estimate of engine torque. Furthermore, the method does not rely on a fixed transmission torque rating in each gear ratio.
    Type: Grant
    Filed: March 25, 2015
    Date of Patent: April 17, 2018
    Assignee: Ford Global Technologies, LLC
    Inventors: Rohit Hippalgaonkar, Joseph F. Kucharski, Yuji Fujii, Gregory Michael Pietron, Jason Meyer, Eric Hongtei Tseng
  • Patent number: 9815473
    Abstract: A method for controlling a manual transmission includes using a controller to determine a desired torque transmitted through an input clutch for the desired gear after a shift lever is moved to a desired gear position and while a clutch pedal is being released for engaging the clutch; inferring torque in the vehicle drive assembly; using inferred torque to determine clutch torque; and using the controller to automatically adjust a clutch actuator such that a difference between the desired torque and the inferred torque is reduced.
    Type: Grant
    Filed: November 19, 2015
    Date of Patent: November 14, 2017
    Assignee: FORD GLOBAL TECHNOLOGIES, LLC
    Inventors: Yuji Fujii, Alex O. Gibson, Gregory M. Pietron, Joseph F. Kucharski
  • Patent number: 9758170
    Abstract: A powertrain includes an engine, a transmission, and one or more accessories, such as an alternator or an air conditioning compressor, all operating based on commands from a controller. The controller is programmed to coordinate commands to the transmission with commands to the accessories to mitigate the impacts of transmission state changes. The accessory drive torque may be adjusted to compensate for the torque required to change the speed of a transmission internal shaft. The accessory effective inertia may be adjusted to maintain a powertrain natural frequency so that active damping can be maintained throughout a transmission state change event.
    Type: Grant
    Filed: September 28, 2015
    Date of Patent: September 12, 2017
    Assignee: Ford Global Technologies, LLC
    Inventors: John G. Fowler, Joseph F. Kucharski
  • Patent number: 9733138
    Abstract: Various packaging designs for placement of a magnetic torque sensor at the output shaft of a front wheel drive transmission are provided. One design provides for mounting a sensor on a chain drive sprocket or integrating a sensor into a modified sprocket bearing mount. Another design provides for mounting a sensor at the grounded ring gear of a final planetary drive. Another design provides for mounting a sensor at the differential housing. Another design provides for mounting a sensor at the output planetary carrier hub/park gear. Another design provides for mounting a sensor at a multi-piece transfer gear face.
    Type: Grant
    Filed: June 4, 2015
    Date of Patent: August 15, 2017
    Assignee: Ford Global Technologies, LLC
    Inventors: Gregory Michael Pietron, Nimrod Kapas, Yuji Fujii, Joseph F. Kucharski, Gregory Daniel Goleski, Jeffrey Edward Maurer
  • Patent number: 9726280
    Abstract: A transmission calibration tool automatically generates a detailed gearbox model based on a user input transmission topology description. During transmission calibration, the tool accepts inputs from transmission speed and torque sensors and estimates component torques for each gear element and each shift element. Following a shift or other transmission event, the calibration tool plots the component torques as a function of time, permitting the calibration engineer to better understand what is occurring during the event, and thus reducing the time required for calibration. The calibration tool also adapts several transmission component models and outputs the adapted models to provide insight into actual transmission component behavior.
    Type: Grant
    Filed: March 25, 2015
    Date of Patent: August 8, 2017
    Assignee: Ford Global Technologies, LLC
    Inventors: Gregory Michael Pietron, Jason Meyer, Yuji Fujii, Diana Yanakiev, Joseph F. Kucharski, Nimrod Kapas
  • Patent number: 9709164
    Abstract: A method of operating a transmission includes measuring an output torque, estimating a gearbox input torque using a model, and estimating gearbox component torques based on a detailed gearbox model. The model used to estimate the input torque varies depending on whether a torque converter is locked, open, or slipping. In some operating conditions, multiple estimates are available for gearbox input torque, impeller torque, or shift element torque in which case the models are adapted. When an estimated component torque is outside an expected range, a warning flag is raised and diagnostic data is saved. When an estimated torque approaches or exceeds a torque limit, the input torque command may be reduced to prevent component damage. A warning flag may also be raised and diagnostic data saved in response to a model parameter being adapted to a value outside of a predetermined range.
    Type: Grant
    Filed: March 25, 2015
    Date of Patent: July 18, 2017
    Assignee: Ford Global Technologies, LLC
    Inventors: Rohit Hippalgaonkar, Eric Hongtei Tseng, Yuji Fujii, Gregory Michael Pietron, James William Loch McCallum, Jason Meyer, Michael John Leads, Joseph F. Kucharski
  • Patent number: 9677492
    Abstract: A system and method for controlling a vehicle powertrain includes a controller that is operative to automatically control at least one powertrain function other than engine torque based on a measured torque and a predetermined torque range. The predetermined torque range is based on a first engine torque estimate. The measured torque is related to actual engine torque, and can be measured directly at the engine crankshaft, or in another location in the powertrain and then transferred to the engine space.
    Type: Grant
    Filed: August 10, 2012
    Date of Patent: June 13, 2017
    Assignee: Ford Global Technologies, LLC
    Inventors: Joseph F. Kucharski, Yuji Fujii, Alexander O'Connor Gibson, Nimrod Kapas, Gregory Michael Pietron, Diana Yanakiev
  • Publication number: 20170122821
    Abstract: Designs to package a magneto-elastic torque sensor in an automotive transmission for volume production applications are provided. A transfer case assembly includes a transfer case shaft having a magnetized region and a magnetic torque sensor, for detecting torque of the transfer case shaft, mounted on at least one bushing supporting the transfer case shaft. A drive axle assembly includes an axle housing, an input shaft having a magnetized region, and a magnetic torque sensor, for detecting torque of the input shaft, mounted to the axle housing.
    Type: Application
    Filed: January 18, 2017
    Publication date: May 4, 2017
    Applicant: Ford Global Technologies, LLC
    Inventors: Gregory Michael Pietron, Joseph F. Kucharski, Nimrod Kapas, Diana Yanakiev, Mark Richard Dobson, Yuji Fujii
  • Patent number: 9631722
    Abstract: A transmission includes sensors positioned adjacent respective pairs of magnetized bands on a shaft of the transmission for detecting magnetic flux emanating from the bands in response to torque on the shaft. The transmission further includes an electronics interface assembly configured to respectively provide drive signals to the sensors and to receive from the sensors, in response to the drive signals, output signals indicative of the torque on the shaft as detected by the sensors.
    Type: Grant
    Filed: September 3, 2014
    Date of Patent: April 25, 2017
    Assignee: Ford Global Technologies, LLC
    Inventors: Gregory Michael Pietron, Nimrod Kapas, Joseph F. Kucharski, Steven Adam Hermann, Christopher Gregory Garbacz, Yuji Fujii, Diana Yanakiev, Roberto Teran, Jr.
  • Patent number: 9618407
    Abstract: Designs to package a magneto-elastic torque sensor in an automotive transmission for volume production applications are provided. A transfer case assembly includes a transfer case shaft having a magnetized region and a magnetic torque sensor, for detecting torque of the transfer case shaft, mounted on at least one bushing supporting the transfer case shaft. A drive axle assembly includes an axle housing, an input shaft having a magnetized region, and a magnetic torque sensor, for detecting torque of the input shaft, mounted to the axle housing.
    Type: Grant
    Filed: February 5, 2016
    Date of Patent: April 11, 2017
    Assignee: Ford Global Technologies, LLC
    Inventors: Gregory Michael Pietron, Joseph F. Kucharski, Nimrod Kapas, Diana Yanakiev, Mark Richard Dobson, Yuji Fujii
  • Publication number: 20170088139
    Abstract: A powertrain includes an engine, a transmission, and one or more accessories, such as an alternator or an air conditioning compressor, all operating based on commands from a controller. The controller is programmed to coordinate commands to the transmission with commands to the accessories to mitigate the impacts of transmission state changes. The accessory drive torque may be adjusted to compensate for the torque required to change the speed of a transmission internal shaft. The accessory effective inertia may be adjusted to maintain a powertrain natural frequency so that active damping can be maintained throughout a transmission state change event.
    Type: Application
    Filed: September 28, 2015
    Publication date: March 30, 2017
    Inventors: John G. Fowler, Joseph F. Kucharski
  • Patent number: 9512889
    Abstract: A transmission clutch control method includes defining a transfer function relating clutch torque to a control signal under transmission operating conditions; determining a target clutch torque for current operating conditions; determining the target control signal from the transfer function to produce target torque at the clutch; correcting clutch torque on the basis of a difference between the target clutch torque and the actual torque at the clutch by adjusting the control signal; calculating actual clutch torque with reference to transmission input torque and transmission output torque; computing a clutch torque error as a difference between calculated clutch torque and the target clutch torque; and repetitively adjusting the transfer function on the basis of the clutch torque error.
    Type: Grant
    Filed: April 30, 2013
    Date of Patent: December 6, 2016
    Assignee: FORD GLOBAL TECHNOLOGIES, LLC
    Inventors: Gregory M. Pietron, Diana Yanakiev, Yuji Fujii, Joseph F. Kucharski, Nimrod Kapas