Patents Assigned to FCA US LLC
-
Patent number: 12366214Abstract: A control system for controlling fuel delivery to an internal combustion engine (ICE) based on oil diluted by fuel in a crankcase of the ICE includes a fuel injector and a controller. The controller is configured to determine a modeled evaporation rate of unburned fuel in the crankcase; compare the modeled evaporation rate of unburned fuel to a threshold; and communicate a fuel delivery signal indicative of an injector fuel mass target to the fuel injector to compensate the fuel injected based on the modeled evaporation rate of the unburned fuel in the crankcase exceeding the threshold.Type: GrantFiled: April 2, 2024Date of Patent: July 22, 2025Assignee: FCA US LLCInventors: Nicholas Firsich, David Pedro, William B Attard
-
Patent number: 12359707Abstract: An electric drive module for an electrified vehicle includes first and second electric motors, first and second reduction assemblies and a driveline. The first electric motor has a first rotatable output. The second electric motor has a second rotatable output. The first electric motor has a lower output capacity than the second electric motor. The first reduction assembly is driven by the first rotatable output and includes a first reduction output that is coupled to the second electric motor. The second reduction assembly is driven by the second rotatable output of the second electric motor. The first reduction assembly and the second reduction assembly cooperate to provide a combined first effective reduction ratio driven by the first rotatable output and wherein the second reduction assembly provides a second effective reduction ratio driven by the second rotatable output, the first effective reduction ratio being higher than the second first effective reduction ratio.Type: GrantFiled: April 30, 2024Date of Patent: July 15, 2025Assignee: FCA US LLCInventors: Pradeep R Attibele, Sandeep Makam, Mark A Levine, Tejinder Singh
-
Patent number: 12358511Abstract: A launch control system for a vehicle having a torque generating system to generate and transfer drive torque to a transmission includes a driver interface configured to display information to and receive input from a driver of the vehicle. A controller is in signal communication with the driver interface, the torque generating system, and the transmission. The controller is configured to (i) display, via the driver interface, a torque reduction request for a gear shift of the transmission, (ii) receive, from the driver via the driver interface, a driver selected torque reduction request for the gear shift, and (iii) perform the driver selected torque reduction request at the torque generating system during the gear shift.Type: GrantFiled: July 31, 2023Date of Patent: July 15, 2025Assignee: FCA US LLCInventors: Corey A Allard, Javed A Dada, Oscar Munoz
-
Patent number: 12359716Abstract: A thermal management system for an electric drive module (EDM) in an electric vehicle is provided. The system includes a motor housing, a gearbox housing, a sump and a baffle. The motor housing has an electric motor. The gearbox housing houses gears that receive an input from the electric motor and transfer the drive torque to the driveline. The sump collectively comprises a first sump and a second sump. The first sump is defined by first walls of the motor housing. The second sump is defined by second walls of the gearbox housing. The baffle is disposed in the sump. Rotation of a transfer gear causes oil disposed in the second sump to be urged from the second sump, along the baffle and to the first sump effectively reducing an oil level in the gearbox housing and thereby reducing drag losses in the gearbox housing.Type: GrantFiled: March 4, 2024Date of Patent: July 15, 2025Assignee: FCA US LLCInventor: Thomas E Braford, Jr.
-
Patent number: 12352319Abstract: A transmission includes a housing defining an actuator cavity, a plurality of clutches disposed within the housing and configured to be engaged in various combinations to generate gear ratios corresponding to forward speeds of the transmission, and an actuator assembly configured to selectively engage one clutch of the plurality of clutches, the actuator assembly including a piston slidingly disposed within the actuator cavity. An anti-rotation assembly is configured to prevent rotation of the piston within the actuator cavity, the anti-rotation assembly including a stop and a projection. The projection is coupled to and extends outwardly from an interior surface of the piston, and the stop is grounded to the housing and includes a bore configured to receive a distal end of the projection to thereby prevent rotation of the projection and piston.Type: GrantFiled: November 1, 2023Date of Patent: July 8, 2025Assignee: FCA US LLCInventors: Tejinder Singh, Richard J Scorzelli
-
Patent number: 12344194Abstract: A biometric authentication system and related method includes an activation component, a camera and a controller. The activation component can be configured to receive an input from a prospective user of the vehicle and activate the biometric authentication system based on the input satisfying the input criteria. The camera can be configured to acquire an image of the prospective user subsequent to activation of the biometric authentication system. The controller can be configured to (i) store an image of the at least one preauthorized user of the vehicle, (ii) compare an acquired image of the prospective user with an image of the at least one preauthorized user; and (iii) unlock a door of the vehicle based on the image of the prospective user successfully matching an image of at least one preauthorized user.Type: GrantFiled: March 8, 2023Date of Patent: July 1, 2025Assignee: FCA US LLCInventor: Glen A DeGrendel
-
Patent number: 12344089Abstract: Proprioceptive torque distribution control systems and methods for an electrified vehicle having a multi-motor electrified powertrain including two or more electric motors involve an accelerometer sensor system configured to measure accelerations of the electrified vehicle relative to three perpendicular axes, and a controller configured to determine four relative degrees of contact by four wheels of the electrified vehicle with a ground surface, respectively, based on the measured accelerations and travel of a suspension of the electrified vehicle, and control a distribution of a total amount of drive torque generated by the multi-motor electrified powertrain between the four wheels of the electrified vehicle based on their respective four relative degrees of contact with the ground surface to thereby improve performance and stability of the electrified vehicle.Type: GrantFiled: March 29, 2023Date of Patent: July 1, 2025Assignee: FCA US LLCInventors: Alexander J George, Chunjian Wang, Drushan Mavalankar
-
Patent number: 12344226Abstract: An adaptive feedforward control method for an electrified powertrain including a torque converter includes determining a desired input speed for a torque converter based on the set of operating parameters of the electrified powertrain, determining minimum and maximum torques for an impeller of the torque converter based on the set of operating parameters of the electrified powertrain, determining a raw feedforward torque for the torque converter impeller based on the desired input speed for the torque converter and a speed of a turbine of the torque converter, determining a final feedforward torque for the torque converter impeller based on the raw feedforward torque for the torque converter impeller and the minimum and maximum torques for the torque converter impeller, and controlling an electric motor of the electrified powertrain based on the final feedforward torque for the torque converter impeller.Type: GrantFiled: September 17, 2024Date of Patent: July 1, 2025Assignee: FCA US LLCInventors: Nadirsh D Patel, Abdulquadri Oluwatobi Banuso, Hangxing Sha, Krishna Reddy Madireddy, Indrasen Karogal
-
Patent number: 12341203Abstract: High voltage battery contactor welding prevention techniques for an electrified vehicle include, in response to a request to perform a high voltage connection procedure, utilizing a supervisory controller to monitor a voltage of the low voltage battery system to determine whether a low voltage battery system of the vehicle has a voltage level sufficient to open/hold the set of contactors during the high voltage connection procedure, when the low voltage battery system has sufficient voltage, commanding by the supervisory controller to a sub-controller to perform the high voltage connection procedure, and when the low voltage battery system does not have sufficient voltage, displaying a low voltage indicator for a user to recharge the low voltage battery system before the high voltage connection procedure can occur.Type: GrantFiled: September 30, 2022Date of Patent: June 24, 2025Assignee: FCA US LLCInventors: Abhilash Gudapati, Zhentao Xie, Rudolf Kharpuri
-
Patent number: 12319152Abstract: A switchable battery disconnect unit (BDU) system for an electrified vehicle includes a switchable BDU for a high voltage battery system of the electrified vehicle, the switchable BDU including one or more protection devices that each include both a contactor and an integrated circuit breaker, and a controller configured to control the switchable BDU to switch between 400 Volts (400V) and 800V direct current (DC) modes for powering an electrified powertrain of the electrified vehicle and for recharging the high voltage battery system and monitor and reset the protection device in response to an actuation of the integrated circuit breaker, wherein the protection device does not include a replaceable thermal fuse.Type: GrantFiled: October 31, 2023Date of Patent: June 3, 2025Assignee: FCA US LLCInventors: William Mu, Timothy Mrosewske, Karina K Morley, Qingyuan Tan
-
Patent number: 12316205Abstract: An electric machine configured to generate and transfer drive torque to a driveline for propulsion of an electric vehicle includes a gearbox assembly, an electric motor having a rotor and a stator having end windings, and a thermal management system. The thermal management system includes a first end plate disposed at an axial end of the rotor. The first end plate has a central hub and an overhang. The overhang includes an outwardly extending radial rim and a lip. The radial rim includes an outer surface, an inner surface, and at least two passages defined therethrough. The first end plate facilitates cooling of the electric motor by directing fluid (i) off of the outer surface of the radial rim and onto an inner diameter of the end windings, and (ii) through the at least two passages and onto the inner diameter of the end windings.Type: GrantFiled: March 20, 2023Date of Patent: May 27, 2025Assignee: FCA US LLCInventors: Sachin Ganakota, Shreyas Kapatral, Steven L Hayslett, Brandon R Given, Dhafar Al-Ani
-
Patent number: 12311771Abstract: Multi-loss torque control systems and methods for an electric motor of an electrified vehicle include determining a torque command for the electric motor from a set of sensors, determining a speed loss for the electric motor based on an actual speed and a desired heat energy loss for the electric motor from the set of sensors, generating current commands for the electric motor based on its determined torque command and speed loss, controlling the electric motor using the generated current commands, capturing heat energy lost by the electric motor using a heat exchanger system, and using the captured heat energy in the heat exchanger system to heat a component of the electrified vehicle.Type: GrantFiled: March 24, 2023Date of Patent: May 27, 2025Assignee: FCA US LLCInventors: Daniel R Luedtke, Mustafa Mohamadian
-
Patent number: 12292341Abstract: A system and method of controlling a powertrain to protect a high voltage cable by determining a temperature characteristic for a busbar, determining a temperature characteristic adjacent to a component, and determining a current through the high voltage cable. Thereafter, the method reduces an operating characteristic of the powertrain based on the temperature characteristic for the busbar, the temperature characteristic adjacent to the component, and the current.Type: GrantFiled: August 23, 2022Date of Patent: May 6, 2025Assignee: FCA US LLCInventors: Shu S Wang, David A Lawrence, Michael Barkey
-
Patent number: 12283112Abstract: Vehicle perception techniques include applying a 3D DNN to a set of inputs to generate 3D detection results including a set of 3D objects, transforming the set of 3D objects onto a set of images as a first set of 2D bounding boxes, applying a 2D DNN to the set of images to generate 2D detection results including a second set of 2D bounding boxes, calculating mean average precision (mAP) values based on a comparison between the first and second sets of 2D bounding boxes, identifying a set or corner cases based on the calculated mAP values, and re-training or updating the 3D DNN using the identified set of corner cases, wherein a performance of the 3D DNN is thereby increased without the use of expensive additional manually and/or automatically annotated training datasets.Type: GrantFiled: August 4, 2022Date of Patent: April 22, 2025Assignee: FCA US LLCInventors: Dalong Li, Rohit S Paranjpe, Benjamin J Chappell
-
Patent number: 12281606Abstract: An engine system includes an engine including intake and exhaust camshafts, a transmission, a turbocharger including a compressor and a turbine, a surge valve to selectively bypass the compressor, a main exhaust aftertreatment system with a main catalytic converter, and a light-off catalyst bypass system with a bypass valve configured to selectively provide exhaust gas to a bypass passage and a bypass catalytic converter. An emissions control system includes a controller configured to monitor a temperature of the main catalytic converter to determine if the temperature is below a light-off temperature, move the bypass valve to an open position to provide exhaust gas flow through the bypass passage and bypass catalytic converter when the main catalytic converter is below the predetermined light-off temperature, and move the surge valve to an open position to enable intake air to bypass the compressor to minimize pressure loss during a cold catalyst mode.Type: GrantFiled: August 30, 2024Date of Patent: April 22, 2025Assignee: FCA US LLCInventors: Jeongyong Choi, Michael A Barkey, William P Attard
-
Patent number: 12281624Abstract: An engine system that delivers torque to a driveline of a vehicle includes an internal combustion engine (ICE), a manifold, a compressor and a controller. The manifold selectively communicates air into the ICE. The compressor is driven by an electric motor and is configured to deliver air toward and away from the manifold. The controller determines an ICE start request and, based on the ICE start request, sends a signal to the electric motor to rotate the compressor in a direction that moves air out of the manifold. The eCompressor is used to deplete air in the manifold before starting the ICE. As a result, a reduction in fuel used and therefore a reduction in emissions at startup is achieved.Type: GrantFiled: September 28, 2023Date of Patent: April 22, 2025Assignee: FCA US LLCInventors: Pavan Kumar Mukkara Srinivas, Ronald A Reese, II
-
Patent number: 12280825Abstract: A system and method of operating a vehicle includes determining a condition of the vehicle, changing a camber of at least one tire in response to the condition and changing a contact patch from a first portion of the at least one tire from a first portion to a second portion. The first portion has different rolling characteristics from the first portion.Type: GrantFiled: March 15, 2024Date of Patent: April 22, 2025Assignee: FCA US LLCInventor: Mark J Skynar
-
Publication number: 20250121827Abstract: A vehicle mode triggered control system for a vehicle includes a hybrid control processor (HCP) configured to detect a current operating mode of the vehicle, determine a set of inactive sub-systems of a set of sub-systems of the vehicle that are not configured to operate during the current operating mode of the vehicle, wherein each of the set of sub-systems is configured to for limited mode-based operation and not during a full operating period of the vehicle, and execute application software including a plurality of application functions by executing a first set of application functions of the plurality of application functions at a first rate and executing a second set of application functions of the plurality of application functions at a slower second rate, wherein the second set of application functions are limited to one or more of the set of inactive sub-systems.Type: ApplicationFiled: October 17, 2023Publication date: April 17, 2025Applicant: FCA US LLCInventors: Feisel Weslati, Rudolf Kharpuri, Omkar Bedarkar
-
Patent number: D1071799Type: GrantFiled: March 16, 2023Date of Patent: April 22, 2025Assignee: FCA US LLCInventors: Daniel Gerzson, Carlos Savi Bueno, Hugo Hissashi
-
Patent number: D1072331Type: GrantFiled: May 27, 2022Date of Patent: April 22, 2025Assignee: FCA US LLCInventors: Nicholas A. Malachowski, Eugenio Sellaro-Neto, Matthew W. Dunford, Alexander Tannen, Chris Piscitelli, Jeffrey C. Gale, Mark D. Hall, Mark T. Allen