Patents Assigned to Paccar Inc
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Publication number: 20250042356Abstract: A fuel theft prevention system for a vehicle including: at least one processor; and a memory, operatively connected to the at least one processor and storing instructions that, when executed by the at least one processor, cause the system to: receive, from a first sensing system, first activity data; determine, based on the first activity data, a first confidence value indicative of whether the activity is suspicious; receive fuel data indicative of a fuel level in the fuel tank; and cause, based on the first activity data and the fuel data, at least one mitigation action to be taken when the fuel level decreases by a threshold amount, wherein the threshold amount includes a first amount when the first confidence value is a first value and a second amount when the first confidence value is below the first value, and wherein the second amount is greater than the first amount.Type: ApplicationFiled: August 1, 2023Publication date: February 6, 2025Applicant: PACCAR IncInventors: Jason Robert Johnson, Charles Wayne Reinhardt Swart, Colter Timothy Creson
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Publication number: 20250048495Abstract: Systems and methods for modulating power provided to a heating element of a vehicle exhaust system is provided. One system includes a controller controlling a switch, and an alternator having a first field terminal input, wherein the first field terminal input is connected to the switch. The system further includes a heating element connected to at least an output of the alternator. The controller is configured to determine a power demand for the electric heating element and modulate the first field terminal input to cause the alternator to provide power to the heating element according to the power demand.Type: ApplicationFiled: July 8, 2024Publication date: February 6, 2025Applicant: PACCAR Inc.Inventor: Charles Wayne Reinhardt Swart
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Patent number: 12215780Abstract: A system, method, and computer readable storage device are provided for providing a dynamic tachometer. Based on various signal inputs from a plurality of data sources, a tachometer may be dynamically modified to include visual information and assistance to the driver in relation to the vehicle's engine speed (i.e., revolution speed of the vehicle's crankshaft). The tachometer may include one or a combination of: dynamic shift point indicators, a target engine speed range indicator, an overspeed indicator, and a power take-off mode indicator.Type: GrantFiled: November 27, 2023Date of Patent: February 4, 2025Assignee: PACCAR INCInventors: Steven Karl Jahns, Ryan Anthony Reed, Jonathan Scott Duncan, Josef Lotz, Tristan Thomas Pyle, Derek Scott Sancer, Jon Forrest Acton, Jacob Michael White, Hervé Jen Raymond Cecchi, David Michael Gauch, Anna-Magdalena Schatz
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Patent number: 12208795Abstract: Automated launch torque is provided. An automated virtual launch torque generation (AVL-TG) system may be included in a vehicle, such as a heavy duty truck, that may interoperate with an adaptive cruise control (CC) system to move the vehicle from a standstill or low speed to a CC handover speed. The AVL-TG system may determine a tip-in torque curve configured to mimic a torque curve generated by a human operator's acceleration pedal tip-in from a standstill or low speed. The tip-in torque curve may be represented by torque demand values corresponding to a dynamic pedal saturation level applied over a dynamic pedal rate. The torque demand values determined by the AVL-TG system may mimic an expected or human vehicle operator generated torque request, and may operate to successfully close the clutch and smoothly launch the vehicle from a standstill or low speed.Type: GrantFiled: June 24, 2021Date of Patent: January 28, 2025Assignee: PACCAR Inc.Inventors: James Nelson, Vedran Curgus, Andy Syltebo, Amine Nhila
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Publication number: 20250026205Abstract: The present disclosure relates to systems and methods of dynamically modulating use of various motor control strategies (MCSs) to optimize powertrain efficiency. One or a combination of MCSs are strategically and dynamically implemented to regulate torque to drive axle motors of a drive axle based on vehicle operating conditions. In normal acceleration conditions, Field-Oriented Control (FOC) may be used to regulate torque applied to a first drive axle motor and Direct Torque Control (DTC) may be used to regulate torque applied to a second drive axle motor of the drive axle, where the first drive axle motor may operate at peak efficiency and the second drive axle motor may make up for fluctuating torque demand. In cruising speed conditions, FOC may be used to regulate torque applied to both the first and second drive axle motors to operate with high steady-state efficiency at cruising speeds.Type: ApplicationFiled: July 21, 2023Publication date: January 23, 2025Applicant: PACCAR IncInventor: Jordan Michael Houser
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Patent number: 12194781Abstract: A tire comprising a plurality of tread blocks. At least one tread block includes one or more piers for stiffening the tread blocks while allowing normal lateral (tangential) or circumferential strain for normal braking and motive traction. The piers can extend the entire length dimension of the tread block or portions thereof.Type: GrantFiled: September 24, 2021Date of Patent: January 14, 2025Assignee: PACCAR IncInventor: Jeffrey P. Smith
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Patent number: 12194841Abstract: A shiftable wheel end reduction may be mechanically coupled to a driven axle shaft and to a driven wheel of a wheeled vehicle. The shiftable wheel end reduction may be switched between a first operating mode, in which torque carried by the driven axle shaft is increased and transferred to the driven wheel by the shiftable wheel end reduction, and a second operating mode, in which torque carried by the driven axle shaft is maintained and transferred to the driven wheel by the shiftable wheel end reduction.Type: GrantFiled: February 16, 2024Date of Patent: January 14, 2025Assignee: PACCAR IncInventor: Jordan Michael Houser
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Patent number: 12196120Abstract: Controlling exhaust after-treatment in a heavy-duty motor vehicle includes operating a diesel engine of a heavy-duty truck such that the diesel engine generates an exhaust gas flow that enters an exhaust after-treatment system of the heavy-duty truck, the exhaust after-treatment system including a selective catalytic reduction system, measuring a level of NOx gases in the exhaust gas flow downstream of the selective catalytic reduction system, and controlling a diesel exhaust fluid injector upstream of the selective catalytic reduction system to inject diesel exhaust fluid into the exhaust gas flow upstream of the selective catalytic reduction system at an injection rate that is based on the measured level of NOx gases.Type: GrantFiled: December 22, 2023Date of Patent: January 14, 2025Assignee: PACCAR IncInventors: Cynthia Chaffin Webb, John Lyle Lahti, Charles Wayne Reinhardt Swart
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Publication number: 20250001858Abstract: The present disclosure relates to systems and methods of automatically distributing powertrain demand between tandem drive axles in a tandem drive axle system for balanced tire wear between the tandem drive axles. Examples described herein analyze input signals collected from various vehicle sensors about operating conditions of the front and back tandem drive axles, and automatically bias a distribution of torque demand between the front and back tandem drive axles to correct for asymmetric wear based on known normal wear of the tires under like operating conditions.Type: ApplicationFiled: June 30, 2023Publication date: January 2, 2025Applicant: PACCAR IncInventors: Jordan Michael HOUSER, Benjamin Thomas GROVER, Charles Wayne Reinhardt SWART
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Patent number: 12173631Abstract: A lean-burn internal combustion engine and an exhaust aftertreatment system having an oxidation catalyst are described. A controller determines a fueling rate and a mass flowrate of the exhaust gas feedstream. An inlet temperature of the exhaust gas feedstream upstream of the oxidation catalyst is determined via the first temperature sensor, and an in-use outlet temperature of the exhaust gas feedstream is determined downstream of the oxidation catalyst via the second temperature sensor. An expected outlet temperature from the oxidation catalyst is determined based upon the inlet temperature, the fueling rate, and the mass flowrate of the exhaust gas feedstream. The oxidation catalyst is evaluated based upon the expected outlet temperature and the in-use outlet temperature.Type: GrantFiled: February 13, 2024Date of Patent: December 24, 2024Assignee: PACCAR IncInventors: Trevor Joseph Ott, Cynthia Chaffin Webb, Charles Wayne Reinhardt Swart
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Patent number: 12172491Abstract: Systems and methods are provided for cooling and heating in a vehicle. A thermoelectric cooling system can include a heatsink in thermal communication with an exterior of a vehicle, thermoelectric cells within the vehicle mounted to the heatsink, and a power supply electrically connected to the one or more thermoelectric cells. In response to receiving power from the power supply, the thermoelectric cells produce a temperature difference to draw heat from the vehicle in to the heatsink. Cooling a vehicle cabin can include receiving a desired temperature and a current temperature of a vehicle cabin, determining a temperature difference between the desired temperature and the current temperature, and, based on determining the temperature difference indicates the desired temperature is lower than the current temperature, causing thermoelectric cells to receive power so the thermoelectric cells produce a temperature difference to draw heat from the vehicle cabin in to the heatsink.Type: GrantFiled: October 8, 2021Date of Patent: December 24, 2024Assignee: PACCAR IncInventor: David Mielke
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Patent number: 12157336Abstract: The present disclosure is directed to a wheel cover that is coupled to a wheel of a vehicle utilizing a mounting assembly that has a bearing block. A retainer assembly in combination with the bearing block of the mounting assembly allows the wheel cover to be coupled to the wheel in a manner such that the wheel cover does not rotate with the forward and backward rotation of the wheel when the vehicle is being driven. The wheel cover covers the wheel and partially covers a gap or space between a tire of the wheel and a fender of the vehicle, which increases the aerodynamic performance of the vehicle. The retainer assembly provides at least one degree of freedom such that the wheel cover may move with the wheel when steering the vehicle in a leftward direction and a rightward direction.Type: GrantFiled: September 14, 2023Date of Patent: December 3, 2024Assignee: PACCAR IncInventor: Jeffrey Paul Smith
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Patent number: 12152543Abstract: A method includes detecting a diesel engine runaway event in a diesel engine and, in response to detecting the diesel engine runaway event, deactivating all cylinders in the diesel engine such that no combustion occurs in any cylinders of the diesel engine and no cylinders of the diesel engine produce power, wherein deactivating the cylinders of the diesel engine includes mechanically decoupling a camshaft of the diesel engine from inlet valves of the cylinders of the diesel engine, and wherein deactivating cylinders of the diesel engine prevents flow of air from an intake manifold into combustion chambers of the cylinders.Type: GrantFiled: September 8, 2023Date of Patent: November 26, 2024Assignee: PACCAR IncInventors: Nick Hertlein, Maarten Meijer, Steve Ciatti, Charles Wayne Reinhardt Swart
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Patent number: D1050995Type: GrantFiled: May 11, 2023Date of Patent: November 12, 2024Assignee: PACCAR IncInventors: Stephanie Bury, Gabriel Beltran, Peter Vurpillat, Rebecca Kern, Scott Temple, Amanda Koh, Shawn Chen
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Patent number: D1051137Type: GrantFiled: January 21, 2021Date of Patent: November 12, 2024Assignee: PACCAR IncInventors: Jonathan Duncan, Steven Karl Jahns, Ryan Reed, Tobias Graening, Christina Nenke, Hervé Cecchi, Nicole Johnson
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Patent number: D1051138Type: GrantFiled: January 21, 2021Date of Patent: November 12, 2024Assignee: PACCAR IncInventors: Jonathan Duncan, David Leetz, Derek Sancer, Jon Acton, Steven Karl Jahns, Jacob White, Mark Wagner, Hervé Cecchi, Anna-Magdalena Schatz, Tobias Graening, Nicole Johnson, Marc Wilczak
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Patent number: D1054429Type: GrantFiled: January 21, 2021Date of Patent: December 17, 2024Assignee: PACCAR IncInventors: Jonathan Duncan, Steven Karl Jahns, Ryan Reed, Hervé Cecchi, Anna-Magdalena Schatz, Tobias Graening, Nicole Johnson
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Patent number: D1055815Type: GrantFiled: May 4, 2023Date of Patent: December 31, 2024Assignee: PACCAR IncInventors: Louis Daniel Heilaneh, Brad Powell, Jeffrey P. Smith, Michael Scott Monell
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Patent number: D1058451Type: GrantFiled: April 24, 2023Date of Patent: January 21, 2025Assignee: PACCAR IncInventors: Louis Daniel Heilaneh, Brad Powell, Eric Norman Tucker
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Patent number: D1060167Type: GrantFiled: May 4, 2023Date of Patent: February 4, 2025Assignee: PACCAR IncInventors: Louis Daniel Heilaneh, Brad Powell, Jeffrey P. Smith, Michael Scott Monell, Marissa Hamrick