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Methods and apparatus for estimating power usage
A computer-implemented method includes establishing a road network model on which a plurality of simulated vehicles may be run. The method also includes setting...
Adaptive initial estimation and dynamic determination and update of
distance until charge of a plug-in hybrid...
An electric vehicle such as a PHEV or a BEV and a method of control includes receiving from a user of the vehicle, at an interface of the vehicle, a distance...
Disk brake pad
A brake pad configured for use in a vehicle brake assembly comprises: a friction material having an outermost edge, an innermost edge, and first and second side...
Pressure controlled driveline mechanical coupling
A vehicle includes a motive power source, a transmission, and a clutch system. The vehicle further includes a controller that causes the clutch system to...
Hybrid vehicle engine start
A vehicle includes an engine having a crankshaft, a transmission having an input, and an electric machine mechanically coupled to the transmission input. The...
Methods for correcting spill valve timing error of a high pressure pump
Methods are provided for correct spill valve timing of a high pressure pump coupled to the direct injection system of an internal combustion engine. A method is...
Methods and systems for purging vehicle fuel vapors
Systems and methods for improving fuel vapor purging for a vehicle are presented. In one example, a fuel vapor storage canister vent valve is housed in a fuel...
Fuel system leak check based on fuel reid vapor pressure
A method for an evaporative emissions leak test, comprising: adjusting a pressure threshold based on a fuel volatility of a fuel contained in a fuel tank; and...
Method of recuperating energy from a motor vehicle
A system and method for recuperating energy from a motor vehicle is described in which during an engine overrun period kinetic energy from the slowing motor...
Method and system for ignition energy control
Methods and systems are provided for improving spark robustness. Spark ignition dwell commands are adjusted based on the fuel fraction delivered via direct...
Compressor recirculation valve control to reduce charge air cooler
Methods and systems are provided for adjusting a compressor recirculation valve in response to condensate forming conditions in a charge air cooler (CAC). In...
Method and system for engine cooling system control
Methods and systems are providing for improving engine coolant level estimation to reduce engine overheating. The level of fluid in a coolant overflow reservoir...
Engine with external cam lubrication
An engine, such as a variable displacement engine, has a camshaft retainer. The camshaft retainer has a cap adapted to cooperate with a carrier to support first...
Controlling access to an in-vehicle human-machine interface
An in-vehicle computer is programmed to determine that a driver's hands are at least one predetermined location in the vehicle, the at least one predetermine...
Brake assisted vehicle engine restart on a road grade
A method for restarting an engine of a vehicle stopped on a grade, comprising the steps of engaging a gear of a transmission through which the engine and wheels...
Vehicle with power management
An electronic control unit may include input channels configured to receive signals indicative of a power to a steering system and signals indicative of an...
Method and system to manage driveline oscillations with motor torque
A system and method for controlling a vehicle having an electric traction motor coupled to a transmission by a clutch include modifying traction motor torque in...
System and method for applying regenerative braking during high friction
A system for applying regenerative braking during high friction coefficient braking of a vehicle includes at least one controller; at least one braking sensor...
Active hood front cover for pedestrian protection
A hood front cover assembly usable on a vehicle in which the hood has a leading edge and an underside adjacent the leading edge to reduce pedestrian injury in a...
Active glove box door with ventilated reaction plate
An active glove box door includes a bladder member joined along an outer perimeter with a front wall by a hot weld seam to form an inflatable bladder. The...
Articulating support in a vehicle seat
A first pad and a second pad are configured to be arranged in a vehicle seat. A plurality of passive movement devices are provided to be respectively arranged...
Energy absorbing system for vehicular impacts
A vehicle includes a frame, a bumper, and an impact absorber. The impact absorber extends from the frame to the bumper. The impact absorber has a sliding member...
Energy absorbers for roof system and other vehicle structures
An energy absorber for an overhead system in a vehicle, wherein the energy absorber comprises a sound absorption device. To improve the sound absorption, it is...
Vehicle sun visor providing luminescent lighting
A sun visor is provided herein. The sun visor includes a visor body and a lid coupled to the visor body. The lid is moveable between a closed and an open...
Method and apparatus for notification that a living entity remains in a
A system and method for notifying a driver who is leaving a stationary motor vehicle that there is still a person or an animal in the motor vehicle is...
Method to adjust battery minimum state of charge limits based on battery
A hybrid-electric vehicle includes a traction battery. A controller may operate the traction battery within certain state of charge and voltage limits. The...
Redundant electrical power for autonomous vehicles
A system includes a first battery configured to power at least one vehicle subsystem and a second battery configured to power an electric motor to propel a...
Systems and methods for an externally accessible refueling request switch
Systems are provided for a fuel system comprising an external refueling request switch accessible at or near a refueling door, thus enabling methods that may...
Drain slot for capless fuel filler insert
A motor vehicle includes a fuel-filler housing component for mounting to a vehicle body and an insert at a terminus of the fuel filler pipe. The housing...
A device comprises an outer sleeve and an inner sleeve that is rotatably supported at least partly in an interior of the outer sleeve. A hollow axle is located...
Reliable current sensing for inverter-controlled electronic machine
Phase currents of an inverter-driven electric machine are measured by mounting phase conductors of each respective phase current into a central passage of a...
System and method for reducing interference between wireless charging and
amplitude modulation reception
A method for reducing interference in an inductive charging system is provided. The method includes steps of inductively charging a chargeable device with an...
Self-sealing electrical connector
A connector assembly includes a housing, a plurality of pins disposed on the housing, a pin chamber disposed on the housing, and a cap disposed on the chamber....
EV battery pack with battery cooling assembly and method
An electric vehicle battery pack includes an array of battery cells each cell having an upper cell surface and a lower cell surface, the lower cell surface...
Safety pedal obstruction and command intention detection
A vehicle includes a footwell object detection sensor to detect objects in the footwell. The footwell object detection sensor includes an object detection...
Kinematic road gradient estimation
A vehicle and a vehicle system are provided with a controller that is configured to generate output indicative of a kinematic road gradient estimation using an...
Detecting radar blockage based on drive history
A vehicle includes a radar sensor for detecting objects in the vehicle path. The radar sensor may become blocked by contaminants or debris. A controller...
Bi-channel coolant tube having crossover channels to allow coolant
A bi-channel tube for use in a heat exchanger is disclosed having a passageway or window formed in the common wall or divider separating the adjacent channels....
Method of controlling a fuel supply system
A system and method for controlling a fuel supply system of an engine is disclosed in which an engine driven high pressure fuel pump is operated whenever...
System and method for operating an engine
A method for operating an engine is disclosed. In one example, internal EGR is increased during conditions where cooled EGR is at a higher concentration during...
Method for operating a direct fuel injector
A method, comprising: operating an engine cylinder with fuel from a first injector and not a second injector and activating the second injector in response to a...
Method and system for estimating fuel composition
Methods and systems are provided for operating a fuel system configured to deliver a gaseous fuel to an engine. Following tank refilling, the fuel composition...
Method for operating a direct fuel injection system
A method, comprising: during engine cylinder operation with fuel from a first injector and not a second injector: increasing a rail pressure of a fuel rail...
System and method for adjusting engine airflow
Methods and systems for operating an engine during conditions where ambient humidity changes over time are presented. In one non-limiting example, an engine...
Method and system for adjusting engine throttles
An engine system and method for operating an engine including a central throttle and a port throttle is disclosed. In one example, the central throttle and port...
Methods and systems for a fuel system
Various methods and system are described for a fuel system which includes a fuel composition sensor and a fuel lift pump disposed upstream of the sensor. The...
Direct injection of diluents or secondary fuels in gaseous fuel engines
An engine system, comprising a first gaseous fuel source with a first gaseous fuel located therein coupled to one or more engine cylinders and an exhaust gas...
A mixing system is provided. The mixing system includes a housing defining a boundary of a mixing conduit including an expansion section with an injector mount...
Approach for variable pressure oil injection
One example method includes varying oil injection by an oil injector onto a piston of an engine to accommodate different operating conditions. For example, by...