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Paccar Inc patents


Recent patent applications related to Paccar Inc. Paccar Inc is listed as an Agent/Assignee. Note: Paccar Inc may have other listings under different names/spellings. We're not affiliated with Paccar Inc, we're just tracking patents.

ARCHIVE: New 2018 2017 2016 2015 2014 2013 2012 2011 2010 2009 | Company Directory "P" | Paccar Inc-related inventors


System and vehicle transient torque management

A system for establishing a torque limit for a vehicle is provided. The system uses impending terrain and speed conditions to determine an optimum torque, which improves engine efficiency and reduces fuel consumption.... Paccar Inc

Use of laser scanner for autonomous truck operation

A vehicle includes one or more laser scanners and an on-board vehicle computer system communicatively coupled to the laser scanners. The computer system uses information (e.g., coordinate points) obtained from the laser scanners to calculate a trailer angle (e.g., a cab-trailer angle) for the vehicle. The computer system may include... Paccar Inc

Method to elevate idle speed to launch a vehicle with manual transmission

A method of controlling an idle speed for an engine of a vehicle includes the steps of sensing a vehicle speed and a parking brake position. Clutch position is also sensed. When it is determined that the vehicle speed is below a maximum vehicle speed, the parking brake is released,... Paccar Inc

Method of offering finely calibrated engine speed control to a large number of diverse power take-off (pto) applications

Systems and methods are provided for controlling a power plant during use of a power take-off (PTO) device, wherein the responsiveness and stability of the controller are adjustable by an operator in the field. The use of setting maps allows fine tuning of controller responsiveness while also ensuring that expected... Paccar Inc

Starter post relocation assembly

An electrical post relocation assembly is configured for use with an electrical component of a vehicle. The electrical component includes a first and second components post configured to be coupled to first and second cables, respectively. The electrical post relocation has first and second relocation posts. The first relocation post... Paccar Inc

Cyclonic thermal diffuser and method

A diffuser is configured for use on a vehicle having an engine and an exhaust pipe. The diffuser includes a conduit with a first end configured to receive exhaust gases from the engine. A diffusion fitting is coupled to a second end of the conduit to receive exhaust gases discharged... Paccar Inc

Self-stowing rectangular pontoon trailer skirts

A stowable side fairing for a tractor-trailer having a frame includes first and second panels rotatably coupled to the frame and extending downward from the frame. A cross-member is rotatably coupled at a first end to the first panel and at a second end to the second panel. The side... Paccar Inc

Crankcase ventilation and centrifugal oil filter

A filter for an internal combustion engine includes an oil filter and a separator. The oil filter has a rotor that rotates about an axis in response to oil that is discharged from the rotor. The separator has a spindle that is detachably coupled to the rotor. A plurality of... Paccar Inc

Systems and methods for determining speed control management settings

Methods and devices for determining speed control management settings are provided. A vehicle configuration is obtained, specifying at least a transmission, including a number of gears present in the transmission. One or more speed control management modules, such as progressive shift and/or gear down protection modules, are selected by a... Paccar Inc

Systems and methods for determining the quantity of a combustion product in a vehicle exhaust

Exhaust after treatment systems for internal combustion engine powered vehicles are provided. One system includes logic in the form of one or more routines implemented by one or more of the system's components for determining the quantity of certain combustion products present in the exhaust that exits an oxidation catalyst,... Paccar Inc

Diesel oxidation catalyst with minimal platinum group metal content

The present disclosure describes a diesel oxidation catalyst, including a metal oxide including a metal on a metal oxide surface, and less than 10 g/ft3 by weight of Pt or Pd, wherein the diesel oxidation catalyst oxidizes carbon monoxide and hydrocarbons of a diesel exhaust to carbon dioxide and water.... Paccar Inc

Binary catalyst based selective catalytic reduction filter

Catalytic cores for a wall-flow filter include juxtaposed channels extending longitudinally between an inlet side and an outlet side of the core, wherein the inlet channels are plugged at the outlet side and outlet channels are plugged at the inlet side. Longitudinal walls forming the inlet and outlet channels separate... Paccar Inc

High efficiency and durability selective catalytic reduction catalyst

This disclosure features an exhaust aftertreatment system that includes a selective catalytic reduction catalyst that includes a metal oxide catalyst and a metal zeolite catalyst, a metal oxide catalyst that is other than a vanadium oxide catalyst and a vanadium oxide catalyst, or a metal oxide catalyst that is other... Paccar Inc

Electrochemical reductant generation while dosing def

A diesel exhaust fluid (DEF) doser includes a DEF inlet configured to receive DEF, a DEF outlet configured to spray DEF out of the DEF doser, and an electrochemical cell. The electrochemical cell is located between the DEF inlet and the DEF outlet and couplable to a power source. The... Paccar Inc

Thermally integrated compact aftertreatment system

A thermally integrated catalyst aftertreatment exhaust system includes a flow channel that directs diesel exhaust through a diesel oxidation catalyst unit that includes a diesel oxidation catalyst, by a doser that introduces DEF into the diesel exhaust, through a mixing chamber that includes a static metallic mixer coated with a... Paccar Inc

Surface-modified catalyst precursors for diesel engine aftertreatment applications

The present disclosure features a method of making an engine aftertreatment catalyst, where the engine aftertreatment catalyst includes a metal oxide, a metal zeolite, and/or vanadium oxide when the metal oxide is different from vanadium oxide, each of which can be independently surface-modified with a surface modifier. The method includes... Paccar Inc

Handheld testing device of nitrogen oxide sensor

A testing device is capable of testing a NOx sensor in an environment that does not have dew point detection capability. The testing device includes a connector configured to be coupled to the NOx sensor, an output indicator, and circuitry. The circuitry is configured to send an unverified dew point... Paccar Inc

Combining model and delta pressure based soot load estimates

A system for estimating an amount of soot in an exhaust particulate filter includes a delta P soot load estimate generator configured to generate a first soot load estimate as a function of a pressure drop and a mass flow of exhaust. The system further includes a model estimate generator... Paccar Inc

Reductant dosing control using prediction of exhaust species in selective catalytic reduction

A system and related method for controlling reductant dosing in a selective catalyst reduction system includes a chamber containing a catalyst, and a controllable reductant dosing system that includes a controllable injector connected to a reservoir of reductant, and a controller that obtains inlet exhaust temperature, speed, and composition information,... Paccar Inc

Predictive cruise control system with advanced operator control and feedback

An on-board vehicle computer system for a vehicle includes at least one processing unit and a memory having stored therein computer-executable instructions configured to cause the on-board vehicle computer system to implement various aspects of a predictive cruise control (PCC) system. In one aspect, the computer system provides a plurality... Paccar Inc

Real-time driver reward display system and method

A method and system for improved driver reward display functionality. A driver reward is calculated based on inputs, such as freight fuel, fuel economy, and % idle. The driver reward system configures and displays a primary driver reward image for various menu selections. The primary driver reward image is configured... Paccar Inc








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