Abstract: The subject matter of this specification can be embodied in, among other things, a heat exchanger apparatus that includes a first fluid conduit defining a first fluid flow path for a first fluid and comprising a fluid diode that is at least partly fluidically diodic and formed of a thermally conductive material, the fluid diode having a first fluid inlet, a first fluid outlet, a first sub-conduit extending from the fluid inlet to the fluid outlet, and a second sub-conduit extending from the first sub-conduit proximal the fluid inlet to the first sub-conduit proximal the fluid outlet as a partial loop defining a cavity extending through the partial loop, and a second fluid conduit in thermal communication with the first fluid conduit and defining a second fluid flow path through the partial loop, fluidically isolated from the first fluid flow path, for a second fluid.

Abstract: A blower is provided. The blower according to the present disclosure includes: a fan causing airflow; a lower body forming an inner space at which the fan is disposed, and having a suction hole through which air passes; and a first upper body positioned above the lower body, and the first upper body may include a first wall forming a first flow path communicating with the inner space of the lower body and a first panel surrounding the first wall, and the first panel may include a first slit formed through the first panel and discharging air flowing through the first flow path to an outside of the first panel.

Abstract: A vehicle controller includes a processor configured to detect a lane line defining a lane being traveled by a vehicle, calculate a departure index indicating the possibility of the vehicle departing from the lane, based on the positional relationship between the lane line and the vehicle, determine whether a predetermined departure condition is satisfied, based on the departure index, execute departure prevention control of the vehicle to prevent the vehicle departing from the lane, when the departure condition is satisfied, and relax the predetermined departure condition and reduce the amount of control of the vehicle upon execution of the departure prevention control, depending on operation to prevent the vehicle departing from the lane performed by a driver of the vehicle before the departure condition is satisfied.

Abstract: A method for a brake control of a vehicle is provided. This method includes: obtaining a collision type of a current vehicle after the current vehicle is collided; obtaining driving information of the current vehicle according to the collision type; determining whether the current vehicle is in a safe state according to the driving information; obtaining driving parameter information of the current vehicle, and determining a consciousness state of a driver according to the driving parameter information when the current vehicle is determined as being in the safe state; and controlling the current vehicle to perform a brake operation when the consciousness state is determined as the non-rational driving state. According to this method, a problem of disabling of the driver's beneficial subjective risk-avoidance operations can be avoided, the secondary collision can be effectively avoided, and the damage to the vehicle due to the collision is alleviated.

Abstract: To reduce regular combustion variations across combustion cycles, an engine control apparatus includes: an engine that has cylinders inside of which gas exchange is performed by opening and closing an intake valve and an exhaust valve for each cylinder, and that is operated by causing a plurality of the cylinders to sequentially execute combustion cycles; a combustion control device that is attached to the engine, and controls combustion in each of the plurality of cylinders; and a controller that controls the operation of the engine by outputting a control signal to the device, wherein the controller, before combustion in each of the plurality of cylinders, estimates state quantities of the cylinder based on a plant model of the engine which indicates regular combustion variations across the combustion cycles, and outputs to the combustion control device the control signal, which has been corrected based on the estimated state quantities.

Abstract: A tank that is used in a temperature control system and that accommodates coolant used for temperature control includes a container body having an opening and configured to accommodate the coolant; a lid portion covering the opening, the lid portion including a pump housing portion recessed toward an inner side of the container body and including a through hole extending through an inside of the container body, and at least one inflow port into which the coolant flows from a coolant circuit of the temperature control system; and a pump housed in the pump housing portion and configured to draw the coolant accommodated in the container body through the through hole.

Abstract: The invention relates to an injector for injecting fuel, preferably for injecting a gaseous fuel, in particular hydrogen, comprising a fuel supply line for introducing a highly pressurized gaseous fuel, an active valve which can be actively shut off and which is designed to close or release at least one passage on a first face of a valve plate in order to selectively release or interrupt a fluidic connection between the fuel supply line and a region which is downstream of the first face of the valve plate, and a passive valve which is arranged downstream of the valve plate and can be passively switched to a closing or releasing state as a result of different pressure ratios upstream and downstream of the passive valve.

Abstract: A method is for operating a vehicle combination having a tractor and at least one trailer. A brake control unit of a tractor brake system monitors the braking behavior of the tractor or the vehicle combination, and if necessary the brake pressure at each of the wheel brakes of the tractor, and initiates the deceleration of the trailer. To improve the driving safety of the vehicle in the event of limitation of the functionality of components of the vehicle combination, at least one vehicle component of the tractor and/or of the trailer, the vehicle component being relevant for driving safety, is monitored with regard to functionality, and in the event of detection of a limitation of the functionality of a component, the brake control unit of the tractor brake system decelerates the vehicle combination using a trailer brake system of the trailer.

Abstract: Systems and methods for determining normalized fuel-air ratio error for a cylinder of an engine an engine are disclosed. In one example, the engine is operated in a four-cylinder mode to generate a first normalized fuel-air ratio error for a first cylinder and operated in an eight-cylinder mode to generate a second normalized fuel-air ratio error for a second cylinder.

Abstract: A pump comprising a check valve, which check valve comprises: an axially extending valve bore defined within a pump body of the pump and having an inner surface, a seat member defining an axially extending valve channel and having a mounting portion being press-fitted into the valve bore so that it engages the inner surface and a seat portion disposed proximal with respect to the mounting portion, the seat portion defining a seat surface around a proximal opening of the valve channel, wherein a pilot radius, which is a maximum radius of the seat portion, is at least 95% but less than 100% of valve-bore radius of the valve bore so that the seat portion is out of contact with the inner surface, and a valve member movable with respect to the seat member and engaging the seat surface in a closed position.

Abstract: The invention relates to a method for actuating an injector (1), in particular a fuel injector, wherein the stroke movement of a nozzle needle (2) for opening and closing at least one injection opening (3) is controlled by means of the pressure in a control chamber (4), and the pressure in the control chamber (4) is measured by means of a pressure sensor (5) integrated into the injector (1), wherein characteristic information, in particular time and volume flow rate data, is derived from the sensor signals from the pressure sensor (5) for the stroke movement of the nozzle needle (3) and is used to correct an injection rate model that is based on previously measured time and volume flow rate data.

Abstract: An engine includes pistons, cylinders, at least one fuel injector, spark plugs, and piston cooling jets. The engine includes an Electronic Control Unit configured to receive an engine oil temperature, current coolant temperature, current spark value, calibrated spark value, current engine speed, and current engine torque. The Electronic Control Unit is configured to determine a non-firing piston temperature, coolant temperature and combustion phase modifier, and firing piston temperature. The Electronic Control Unit outputs a predicted piston temperature. A method includes housing pistons in cylinders, supplying air, injecting fuel, combusting an air-fuel mixture, spraying engine oil, and receiving an engine oil temperature, current coolant temperature, current spark value, calibrated spark value, current engine speed, and current engine torque.

Abstract: The present disclosure relates to an electronic parking brake system and a control method thereof. The electronic parking brake system includes an electronic parking brake that includes an electronic parking brake actuator applied by a motor. The electronic parking brake system includes a current sensor configured to detect a current flowing in the motor. The electronic parking brake system includes a processor configured to control a parking apply operation of the electronic parking brake. The electronic parking brake system includes a memory configured to store an inrush current generated during the parking apply operation of the electronic parking brake in a no-load condition. The processor calculates an inrush current model based on the inrush current and may accurately estimate and remove the inrush current generated during the parking apply operation by modeling the inrush current when there is no external load.

Abstract: This invention presents an innovative technology, dedicated hybrid cycle, for dual piston based engines, which can be further developed as mobile chargers for electric vehicles. This design re-defines the single engine piston/crankshaft configuration in conventional internal combustion engines as two sets per the combustion process: Otto piston and Atkinson piston; correspondingly, there are Otto crankshaft and Atkinson crankshaft. As a matter of fact, the Atkinson crankshaft can be realized through a cam as well. The Atkinson mechanism is dedicated to accomplish high combustion efficiency, while the Otto crankshaft for engine output only. Periodically, the hybrid combination of both Atkinson and Otto cycle can significantly improve the engine efficiency and torque density. This innovative combustion mechanism is further developed for genset applications to generate electricity on the vehicles in a most efficient manner.

Abstract: A steering device and a steering control device are capable of continuing steering control of steered wheels when a microprocessor on a steering control unit side operates normally at a time of occurrence of a double failure. A first steering angle sensor is configured to output a first operation amount signal to a first steering actuator control unit of a steering control unit, and a second steering angle sensor is configured to a second operation amount signal to a second steering actuator control unit of the steering control unit.

Abstract: Hydrogen generation systems and processes are described that facilitate on-board generation of hydrogen for use in internal combustion engines. A hydrogen generator converts diesel exhaust fluid (DEF) or other urea-based fluids into a hydrogen-rich product gas. In some embodiments waste heat from the engine is used to preheat the DEF for the hydrogen generator. Steam reformers, electrolyzers and fuel reformers that generate hydrogen using the DEF are described.

Abstract: An oil filter assembly comprising an oil filter housing having an oil filter housing first portion having an oil filter housing first portion first end, an opposing oil filter housing first portion second end, an oil filter housing first portion first surface and an opposing oil filter housing first portion second surface; an oil filter housing second portion having an oil filter housing second portion first surface, an oil filter housing second portion second surface opposing the oil filter housing second portion first surface, and a perimeter wall extending fully around the oil filter housing second portion and orthogonally away from the oil filter housing second portion first surface; an oil filter; and an oil cooler.

Abstract: A control device calculates assistive torque that is directed in a direction corresponding to a roll angular velocity detected by a sensor and has a magnitude corresponding to the roll angular velocity, and controls an actuator that applies the torque to a steering shaft based on the assistive torque. This allows appropriate torque to be applied to the steering shaft of a two-wheeled vehicle while avoiding problems specific to a torque sensor.

Abstract: An engine is provided with various enhanced features. For example, a 2-stroke diesel engine has a porting design that enhances the efficiency of a scavenging event. In specific embodiments, a four-piece piston is positioned in each cylinder of the engine. The four-piece piston includes a bowl, a ring retainer, a skirt, and a wrist-pin bearing. In various embodiments, fuel pumps are coupled to fuel channels or high-pressure lines to provide a constant and equal high-pressure fuel supply to engine cylinders. In more specific embodiments, the length of each of the high-pressure lines is the same. In certain specific embodiments, complimentary screws form a supercharger that further improves engine efficiency by providing high-pressure intake air to the porting process.

Abstract: Systems and methods are provided for identifying strategic parking for a vehicle. The systems and methods may receive parking data regarding a time, location of the vehicle, and parking duration of the vehicle. The systems and methods may survey a perimeter around the vehicle to determine a parking location according to the location of the vehicle. The systems and methods may determine a crime probability for the parking location according to the time and the parking duration. The systems and methods may determine a battery usage of the vehicle for the parking location according to the crime probability and a security measure to be performed. The systems and methods may generate a security plan for the vehicle according to the crime probability and the battery usage of the vehicle. The systems and methods may send the security plan to the vehicle for the vehicle to implement at the parking location.