53results about How to "Avoid fuel consumption" patented technology

The invention relates to a power system of an oil-electricity four-drive hybrid electric vehicle and a control method thereof. The system takes a motor and a dynamo as impendent power sources for driving front driving wheels and rear driving wheels of a vehicle respectively, adopts a motor controller to control the motor to operate, adopts a dynamo controller to control the dynamo to operate, andadopts a whole vehicle controller to control the dynamo controller and the motor controller to operate; according to equipment parameters and operating parameters of the vehicle, the whole vehicle controller determines a drive mode of the vehicle and the switching among different drive modes; and a control mode comprises a self-check mode, a pure motor drive mode, a pure dynamo drive mode, a motor single drive mode, a dynamo single drive mode, a motor-dynamo double-drive mode and a power failure mode. The power system can farthest exert the advantages of the motor and the dynamo, meets requirements under different conditions, and achieves the aims of reducing operating expense, saving energy and protecting environment.

To provide an exhaust gas purifying method and an exhaust gas purifying system capable of efficiently purging the sulfur accumulated in a NOx occluding reduction type catalyst, while preventing fuel consumption from deteriorating and preventing NOx, HC, and CO from being discharged into the atmosphere, in an exhaust gas purifying system constituted by combining a NOx purifying function by the NOx occluding reduction type catalyst with a PM purifying function by a DPF. In an exhaust gas purifying system (1) for performing NOx purification by a NOx occluding reduction type catalyst (42) and PM purification by an DPF (41), it is judged whether sulfur purge of the NOx occluding reduction type catalyst is required and when it is judged that the sulfur purge is required, it is further judged whether the PM quantity (PMst) accumulated in the DPF (41b) exceeds a predetermined judgment value (PMst0), and when the PM quantity (PMst) exceeds the judgment value (PMst0), sulfur purge control is performed after performing the DPF regeneration control.

An exhaust gas purification device of a diesel engine having a DPF (diesel particulate filter) for collecting particulate matters such as soot and unburned components from exhaust gas of the diesel engine calculates an oil dilution quantity as a quantity of fuel diluting engine oil from a regeneration time of the DPF and an operation state. The exhaust gas purification device alleviates an increase in the oil dilution quantity by using a regeneration device that causes the oil dilution quantity less than the oil dilution quantity caused by another regeneration device when the oil dilution quantity exceeds a predetermined value. Thus, both of suppression of the oil dilution quantity and inhibition of deterioration of fuel consumption due to post-injection can be achieved.

A hybrid vehicle control device is provided with an engine, a motor, a mode switching mechanism and an engine start control unit. The motor is disposed in a drive system between the engine and a driving wheel for starting the engine and driving the driving wheel. The mode switching mechanism is operatively coupled to a connecting portion of the engine and the motor. The motor starts the engine upon an engine start request being outputted while traveling with only the motor as a drive source. The engine start control unit makes starting the engine more difficult, upon determining vehicle speed is increasing while a depression operation of an accelerator is occurring, until the rotational speed of the motor decreases, by performing an upshift operation that reduces a gear ratio by making a starting condition of the engine stricter as compared to a gear ratio prior to the upshift operation.

Vehicle operating conditions are computed and the instant variable cost of operation is displayed, enabling operators to learn to operate the vehicle in ways that maximize value, minimize fuel consumption, and reduce or avoid operations that are excessively costly or wasteful. The display quantity is termed “Dynamic Fuel Cost” or DFC, usually measured and displayed in currency (such as Dollars or Euros) per hour. Once every second or so, up to six modes of vehicle operation are detected, including steady speed, acceleration, deceleration by coasting (reduced power or parasitic drag), regenerative braking (in vehicles so equipped such as hybrids), friction braking, and zero speed idling. Then DFC is computed and displayed to the operator. Operators can choose to operate the vehicle in ways that maximize the value of their time and minimize fuel consumption and resulting emissions of pollutants and greenhouse gases.

A controller for a vehicle makes it possible to prevent window glass from fogging and also to reduce fuel consumption in conducting control to temporarily stop an engine when a vehicle stops. The controller for a vehicle includes a vehicle condition detector which detects a condition under which a vehicle is being placed, a fogging determination humidity estimator which estimates a fogging determination humidity, which is a humidity not causing window glass of the vehicle to fog up under the condition detected by the vehicle condition detector, a humidity detector which detects the humidity in the vehicle, and an engine stop duration determiner which determines a longer engine stop duration as the humidity difference increases between the humidity detected by the humidity detector immediately before an engine is stopped and the fogging determination humidity. An engine control unit restarts the engine and also starts up a refrigeration cycle unit and a blower fan when an engine stop duration has elapsed following an engine stop.

The invention provides an idling-stop system, method and device for crane. An engine of the crane in an idling state is controlled by a controller to perform a stop operation. Compared with manual operation of stopping the engine by a crane driver in the prior art, the invention has the advantages that the engine can be immediately stopped without manual operation, so that fuel consumption and wear caused by long-term idling of the engine are avoided, and the service life of the engine is prolonged.

A method for controlling the battery of a mild hybrid vehicle, according to an embodiment of the present invention, includes: a first step of detecting the traffic conditions based on the driving state of the vehicle; and a second step of adjusting the target SOC of an energy storage device based on the detected traffic conditions.

In a vehicular hydraulic control circuit equipped with a mechanically-operated oil pump and an electrically-operated oil pump, a hydraulic control device is provided for reducing a high load imposed on the electrically-operated oil pump, when the electrically-operated oil pump is started during stoppage of the mechanically-operated oil pump. When the electrically-operated oil pump (72) is started from a state in which both the mechanically-operated oil pump (70) and the electrically-operated oil pump (72) are stopped, the mechanically-operated oil pump (70) is pre-started, and then the electrically-operated oil pump (72) is started. Therefore, oil pressure pre-generated by the mechanically-operated oil pump (70) can reduce a load imposed on the electrically-operated oil pump (72). As a result, excessive current that may occur in a control circuit for the electrically-operated oil pump (72) can be prevented.

The invention discloses an ecological driving method for vehicle lane changing behaviors based on vehicle-road coordination technology. The method of the invention comprises the following steps: Step1. Verifying the initial vehicle spacing condition: Step 2. Getting a safe driving strategy: when the maximum values of the vehicle acceleration and deceleration and the maximum time of the speed change are set, searching for the acceleration and deceleration values and the speed change time of each vehicle capable of safely driving three vehicles and completing the lane change behavior under eachof the four spacing conditions in the step 1, thereby obtaining a vehicle safe driving disassembly; 3, obtaining an ecological driving strategy: in that solution set of the safe drive strategy obtained in the step 2, searching for a driving method that minimizes the total fuel consumption of three vehicle in the lane changing behavior and the accumulated distance of one kilometer after the lane changing behavior, thereby obtaining an ecological driving strategy of the vehicle lane changing behavior. The invention can minimize the influence and interference of the lane change behavior of the target vehicle on the front and rear vehicles.

A reforming system may include an engine; an intake line connected to the engine; an exhaust line connected to the engine; a reformer provided at an exhaust gas recirculation (EGR) line diverging from the exhaust line and mixing the exhaust gas with fuel; a front end pressure sensor provided at the EGR line of the front end portion of the reformer and measuring pressure of the exhaust gas of the front end portion of the reformer; a rear end pressure sensor provided at the EGR line of the rear end portion of the reformer and measuring pressure of the exhaust gas of the rear end portion of the reformer; and a reforming controller configured for determining whether reforming continues on the basis of a pressure difference between the front end portion and the rear end portion of the reformer measured by the front end and the rear end sensors.

A system for controlling hydraulic pressure and flow rate of oil in an engine, may include a first solenoid valve disposed in a channel connecting an inlet and an outlet of an oil pump supplying oil from an oil pan to the engine, and an electronic controller controlling the first solenoid valve on the basis of number of revolution of the engine, load of the engine, and temperature of the oil.

A controller for a vehicle makes it possible to prevent window glass from fogging and also to reduce fuel consumption in conducting control to temporarily stop an engine when a vehicle stops. The controller for a vehicle includes a vehicle condition detector which detects a condition under which a vehicle is being placed, a fogging determination humidity estimator which estimates a fogging determination humidity, which is a humidity not causing window glass of the vehicle to fog up under the condition detected by the vehicle condition detector, a humidity detector which detects the humidity in the vehicle, and an engine stop duration determiner which determines a longer engine stop duration as the humidity difference increases between the humidity detected by the humidity detector immediately before an engine is stopped and the fogging determination humidity. An engine control unit restarts the engine and also starts up a refrigeration cycle unit and a blower fan when an engine stop duration has elapsed following an engine stop.

A power generation device of a vehicle is disclosed. The vehicle comprises: an engine possessing a crankshaft, a generator which is used for charging and one generator used for providing power. The power generation device comprises: a clutch unit and a transmission unit. The clutch unit comprises: a switching clutch, a driving gear which is arranged on the switching clutch and a switching mechanism which can actuate the switching clutch. The transmission unit comprises: a driven gear which is engaged with the driving gear and an input shaft which is moved under the influence of the driven gear. Because a rotating shaft of the generator used for providing power is different with the crankshaft, conditions of insufficient intensity and breakage caused by the overlength crankshaft can be avoided and a problem of large-scale configuration of the engine and the generator used for providing power can be avoided too. The clutch unit can be used to manually control generating so as to avoid oil consumption.

A control device for a lock-up clutch includes a control unit, an abnormality determination unit, a release control unit and a prohibition unit. The control unit is configured to control an engagement state of a lock-up clutch, and to perform a slip lock-up control by performing a feedback control of an engagement hydraulic pressure to be a first slip amount during coasting. The abnormality determination unit is configured to determine an abnormality when a state continues with a slip amount being equal to or greater than a second slip amount. The release control unit is configured to release the lock-up clutch when the abnormality is determined. The prohibition unit is configured to allow the control unit to raise the engagement hydraulic pressure by a prescribed pressure, and to prohibit determination by the abnormality determination unit, when the transmission ratio is downshifted during coasting while the slip lock-up control is performed.

The invention discloses a road traffic operation index detection method based on large-scale floating car data. According to the method, on the basis of a traffic network and static basic data such asconfiguration files and the like, a road section where each piece of floating car data is positioned is calculated by utilizing GPS positioning data, a driving direction angle, time and car number information of a floating car, so as to solve an average speed of the road section and finally, give out a traffic operation index of the road section according to a judgment standard. In the method, the key steps comprising floating car data preprocessing, floating car data and map matching, road section speed calculation, final integration of the traffic operation indexes of all the road sectionsand the like are all concurrently carried out, and the concurrent process is controlled by a dynamic task allocation algorithm. According to the invention, road traffic operation condition informationwhich is more rapid, accurate and easy to understand is provided for a user, so that the user can stagger a severe crowded road section and trip efficiency is greatly improved.

Vehicle operating conditions are computed and the instant variable cost of operation is displayed, enabling operators to learn to operate the vehicle in ways that maximize value, minimize fuel consumption, and reduce or avoid operations that are excessively costly or wasteful. The display quantity is termed “Dynamic Fuel Cost” or DFC, usually measured and displayed in currency (such as Dollars or Euros) per hour. Once every second or so, up to six modes of vehicle operation are detected, including steady speed, acceleration, deceleration by coasting (reduced power or parasitic drag), regenerative braking (in vehicles so equipped such as hybrids), friction braking, and zero speed idling. Then DFC is computed and displayed to the operator. Operators can choose to operate the vehicle in ways that maximize the value of their time and minimize fuel consumption and resulting emissions of pollutants and greenhouse gases.

The invention relates to an atmospheric air purifying device additionally-mounted on a motor vehicle and a system of the atmospheric air purifying device. The atmospheric air purifying device is mounted on the motor vehicle, and when a plurality of motor vehicles provided with the atmospheric air purifying devices move in a city, a large amount of air can be purified to reduce the fog and haze concentration. The atmospheric air purifying device uses a vehicle-mounted green power supply, and green and clean electric power is wholly used. The air volume treated through an air inlet with the height being 300 mm and the width being 2250 mm of the atmospheric air purifying device is about 10000 cubic meters per hour under the bus speed of 15 km per hour, and the purifying efficiency can reach up to 95%-99%. If the atmospheric air purifying devices are mounted on 21,000 buses in Beijing, 200 million cubic meters of air can be purified per hour, and 2 billion cubic meters of air can be purified every day, and that is equivalent to air below two meters within the 1000 square kilometers of area of the Beijing urban district being purified once. The air quality on both sides of highways canbe improved to some extent.

A method for controlling the battery of a mild hybrid vehicle, according to an embodiment of the present invention, includes: a first step of detecting the traffic conditions based on the driving state of the vehicle; and a second step of adjusting the target SOC of an energy storage device based on the detected traffic conditions.

A gas turbine engine includes: a core engine surrounded by a core fairing; a propulsive fan; a nacelle surrounding the propulsive fan, the core fairing and the core engine; and a fan duct for receiving a bypass air flow accelerated by the propulsive fan, the fan duct being defined between the nacelle and the core fairing. The gas turbine engine further includes an air-oil heat exchanger for cooling engine oil using an air flow diverted from the bypass air flow, the heat exchanger being mounted behind a wall of the fan duct. The gas turbine engine further includes a flow passage which receives the diverted air flow at a first location in the fan duct, delivers the diverted air flow to the heat exchanger, and returns the diverted air flow to the fan duct at a second location which is downstream of the first location.

A hybrid vehicle control device is provided with an engine, a motor, a mode switching mechanism and an engine start control unit. The motor is disposed in a drive system between the engine and a driving wheel for starting the engine and driving the driving wheel. The mode switching mechanism is operatively coupled to a connecting portion of the engine and the motor. The motor starts the engine upon an engine start request being outputted while traveling with only the motor as a drive source. The engine start control unit makes starting the engine more difficult, upon determining vehicle speed is increasing while a depression operation of an accelerator is occurring, until the rotational speed of the motor decreases, by performing an upshift operation that reduces a gear ratio by making a starting condition of the engine stricter as compared to a gear ratio prior to the upshift operation.

A vehicle control method may include determining by a controller, a state of a brake pedal wherein a controller is configured to determine during performing an SSC control mode whether a brake pedal is in an ON state; determining, by the controller, overlap of control modes wherein when it is determined in the determining by a controller, a state of a brake pedal that the brake pedal is in the ON state, the controller is configured to determine whether conditions for performing an extended ISG control mode are satisfied; and converting, by the controller, a control mode wherein when it is determined in the determining, by the controller, overlap of control modes that the conditions for performing the extended ISG control mode are satisfied, the controller terminates the SSC control mode being performed and converts the current control mode to the extended ISG control mode.

The invention provides a diesel vehicle DPF pre-diagnosis system and method, and relates to the technical field of DPF pre-diagnosis. The diesel vehicle DPF pre-diagnosis system comprises a remote vehicle-mounted terminal, a vehicle networking cloud platform, a mobile terminal, an ECU and a WEB terminal, the vehicle networking cloud platform communicates with the mobile terminal through TCP / IP, the WEB terminal communicates with the vehicle networking cloud platform through TCP / IP, the vehicle networking cloud platform communicates with the remote vehicle-mounted terminal through 4G / 5G, and the ECU communicates with the remote vehicle-mounted terminal through CAN. According to the diesel vehicle DPF pre-diagnosis system and the method, oil consumption and emission deterioration caused by large-degree blockage of the DPF can be avoided, DPF burnout or corresponding serious faults caused by DPF blockage and OBD fault missing report can be avoided, the consistency of the DPF can be evaluated, DPF batch accidents can be avoided, early warning and driver guidance can be performed in advance, and DPF blockage faults can be avoided.

A reforming system may include an engine; an intake line connected to the engine; an exhaust line connected to the engine; a reformer provided at an exhaust gas recirculation (EGR) line diverging from the exhaust line and mixing the exhaust gas with fuel; a front end pressure sensor provided at the EGR line of the front end portion of the reformer and measuring pressure of the exhaust gas of the front end portion of the reformer; a rear end pressure sensor provided at the EGR line of the rear end portion of the reformer and measuring pressure of the exhaust gas of the rear end portion of the reformer; and a reforming controller configured for determining whether reforming continues on the basis of a pressure difference between the front end portion and the rear end portion of the reformer measured by the front end and the rear end sensors.

The invention discloses a method for controlling the idle state of an engine, equipment and a crane. The method comprises the following steps: acquiring the working state information of the current engine, wherein the working state information comprises the suspended load state information of the crane, the rotating speed information of the engine and instruction information; determining that the crane is under a suspended load in a non-working state and that the engine of the crane is in an idle state according to the working state information, and sending a work stopping instruction to the engine of the crane. When the working state information of the current crane is acquired, the crane is under the suspended load in the non-working state and the engine of the crane is in the idle state according to the working state information according to determination, and the work stopping instruction is sent to the engine of the crane in time in order to keep the engine of the crane in the non-working state, thereby avoiding the situation of oil consumption in the idle state of the engine, saving the use cost of the crane, and prolonging the working time of the engine.

A control device of the invention is applied to an engine including a supercharger and a mechanism to allow area of an opening of a passage space to be variable, which space is to pass through exhaust gas guided to the supercharger. The control device changes the above area and a fuel supply amount to a combustion chamber based on a first degree of change in torque and a second degree of change in torque. The first degree is due to a change in an intake air amount to the combustion chamber to be occurred along with the change in the above area, and the second degree is due to a change in pressure of the exhaust gas to be occurred along with the change in the above area.

The invention relates to a fish oil deacidification process and belongs to the technical field of aquatic product processing. The method comprises the steps as follows: placing an adsorbent into a plasma generating device for plasma treatment; adding the adsorbent to degummed fish oil for deacidification treatment after plasma treatment; performing centrifugation to obtain a supernatant, namely, the deacidified fish oil. The fish oil deacidification process has the advantages of simple reaction process, good deacidification effect, high efficiency and little pollution and is easy to control and free of public hazard, and effective nutrient substances in the fish oil are not damaged.

The invention discloses a cold starting system and cold starting method for a mining dump vehicle and belongs to the technical field of mining machinery. An oil inlet of a heater is connected to an oil suction pipe III, and the oil suction pipe III is connected to a third joint of a three-way joint II; an oil return port of the heater is connected to an oil return pipe III, and the oil return pipeIII is connected to a third joint of the oil return pipe III; a water inlet of the heater is connected to a water outlet of a cooling pipeline in an engine cylinder sleeve through a water inlet pipeI, a stop valve I and a water inlet pipe II; and a water outlet of the heater is connected to a water inlet of the cooling pipeline in the engine cylinder sleeve through a water return pipe I, a stopvalve II and a water return pipe II. By increasing a temperature control switch and an indicating lamp specially for controlling a wiring harness, the heating temperature of a cooling liquid can be controlled precisely, the time is saved, and a near 100% low-temperature start success rate is achieved, so that the integral efficiency is the highest. The service lives of the engine and the mining dump vehicle are ensured, the attendance rate of the mining dump vehicle is improved and normal production is guaranteed.