Ice control device

FIELD: engines and pumps.

SUBSTANCE: invention can be used in electronic control units of internal combustion engines. Claimed device incorporates multi-core processor to compute various ICE operation problems and is provided with computation means to distribute the problems among multiple cores. It incorporates control means to make the number of core for use in computation means smaller at fuel feed shutoff than that before fuel shutoff. Said computation means comprises the means for selection of one assigned core of said cores to be used in specific computation relates to combustion in ICE. Control means cuts off said assigned core at fuel feed shutoff.

EFFECT: optimised distribution of computation resources in compliance with computation load, electric power saving.

6 cl, 4 dwg

 



 

Same patents:

FIELD: motors and pumps.

SUBSTANCE: in control device for internal combustion engines the pressure sensor (34) inside the cylinder is intended for measurement of pressure P in the cylinder of the internal combustion engine (10). When consecutive or almost consecutive premature ignition is detected by the pressure sensor in the cylinder (34) the control unit hinders the control of suppression of consecutive occurrence of premature ignition when Pmax during premature ignition is low, in comparison with when Pmax during premature ignition is high.

EFFECT: ensuring balance between prevention of excessive rise of the piston temperature and prevention of deterioration of various operational characteristics of internal combustion engines as a result of control applied for suppression of abnormal combustion even when abnormal combustion happens consistently or almost consistently during a series of cycles.

5 cl, 11 dwg

FIELD: engines and pumps.

SUBSTANCE: invention can be used in automotive vehicles equipped with ICEs. ICE device comprises vehicle motion external conditions detection unit, vehicle speed computation unit, target output characteristic setting unit and output characteristic variation unit. Said vehicle motion external conditions detection unit can detect vehicle external on-rod motion conditions. Said vehicle speed computation unit computes vehicle speed under detected motion external conditions. Said target output characteristic setting unit can decrease ICE output parameter corresponding to accelerator position variation as vehicle speed difference between recommended vehicle speed and a actual speed. Besides, it can set target ICE output characteristic acceptable for constant motion at recommended vehicle speed when difference between recommended speed and actual speed equals zero. Said output characteristic variation unit can vary ICE output characteristic to target output characteristic. Invention discloses the ICE output characteristic control device implementation.

EFFECT: normal fuel consumption irrespective of different driving techniques.

13 cl, 25 dwg

FIELD: engines and pumps.

SUBSTANCE: invention relates to automotive industry. EGR system diagnostics in diesel consists in determination of gas temperature and pressure in intake and discharge pipes to construct the model for determination of temperature decrease y=ΔT in EGR coolant by engine control unit. Note here that said model vector parameter θ and input vector x. Engine control unit is used to calibrate the model calibration for estimation of system shift h0 and calculation of the set of primary discrepancies ε (θ0, x, ΔT), starting from model formula and with application of calibration phase results. Calculation of the set of perfected discrepancies εN0) is executed by mathematical formula subject to the quantity of specimens subjected to diagnostics tests. Engine control unit is used to calculate the diagnostics index S by mathematical formula incorporating correlation matrix R0 calculated for sound system. Said diagnostics index S is used for evaluation of EGR coolant efficiency.

EFFECT: ruled out temperature gages in EGR coolant.

6 cl, 3 dwg, 1 tbl

FIELD: engines and pumps.

SUBSTANCE: invention relates to internal combustion engine start control systems. The internal combustion engine has a throttle for control of volume of suction air and performs starting by means of cranking. The starter switch detects initiation of cranking, and the sensor of cranked shaft rotation angle determines rpm of the engine. The controller actuates a throttle in the closed position along with initiation of cranking. The controller can get both negative pressure at the inlet for fuel evaporation stimulation, and the suction air volume necessary to maintain idle rpm, by means of counting of number of steps or rpm of the internal combustion engine from initiation of cranking and throttle opening from the closed position when the counted number reaches the pre-set value.

EFFECT: ensuring of throttle regulation by creation of negative pressure at the inlet at simultaneous feeding of the respective volume of suction air.

7 cl, 11 dwg

FIELD: engines and pumps.

SUBSTANCE: invention can be used in internal combustion engines, particularly, in selective catalytic recover systems. Invention relates to fluid feed system wherein fluid is fed via delivery device (230) to container (205), particularly, to at least one consuming point (250). This process consists in determination of air presence at the inlet of delivery device (230). In case air presence is revealed, delivery device (230) output is decreased as compared to normal operating conditions. Invention discloses fluid feed system, carrier with fluid feed system and machine readable carrier.

EFFECT: decreased amount of undesirable exhaust gases in selective catalytic reduction system.

23 cl, 5 dwg

FIELD: transport.

SUBSTANCE: set of inventions relates to vehicle engine control. Engine control device limits crank angle value updating based on signal from crankshaft rotation detector during time period from the moment when starter gear movement actuator is made operational till the moment when starter gear rotating drive is made operational. Also, control device updates crank angle after starter and crankshaft gears engagement is completed. Proposed invention also relates to engine starting device comprising starter and above mentioned control device, as well as to method of control according to above mentioned control device and vehicle.

EFFECT: prevention of erratic crank angle determination due to noise occurrence in rotation angle sensor.

12 cl, 7 dwg

FIELD: engines and pumps.

SUBSTANCE: invention can be used in internal combustion engines. ICE effective power controller comprises detector of requests for braking designed to reveal is braking request is executed and controller. Controller is programmed to limit ICE effective power when braking request job is executed and to inhibit the limitation of said power during the preset time interval of limitation disabling when braking request job terminates. Besides, it is designed to decreased limitation inhibit time when preset definite condition is satisfied. Invention covers also the ICE effective power control process.

EFFECT: carrier braking by brake pedal depression in case accelerator pedal fails.

5 cl, 8 dwg

FIELD: transport.

SUBSTANCE: invention can be used in automotive vehicles equipped with ICEs. Control device is mounted at carrier. Said carrier comprises engine to run on first fuel and second fuel, second fuel being characterised by smaller emission. Device comprises fuel changing components to select between first and second fuel to be fed into engine. It comprises catalyst arranged in engine exhaust system and catalyst wear detector. Control device is designed to control catalyst wear when carrier operating range corresponds to that suitable for wear detection when fuel changing device feeds first fuel to the engine.

EFFECT: control device controls catalyst wear after carrier operating range corresponds to that suitable for wear detection when fuel changing device feeds second fuel to the engine.

7 cl, 4 dwg

FIELD: transport.

SUBSTANCE: proposed device serves to detect flow rate meter (11) malfunction when deviation factor, i.e. deviation of estimated sucked air volume deviation relative to actual volume measured by air flow rate meter (11) exceeds reference magnitude for determination of malfunction proceeding from ICE (1) rpm. As engine rpm decreases, upper extreme criterion of diagnostics increases while lower one decreases to narrow the range of defining of air flow meter defect availability Therefore, said diagnostics can be executed over the entire ICE (1) rpm range without deteriorating the performances of off-gas exhaust system which can be caused by flaws in air flow meter (11).

EFFECT: flaw detection at low volumes of sucked air.

7 cl, 4 dwg

FIELD: engines and pumps.

SUBSTANCE: invention relates to ICEs. Proposed device serves to detect flow rate meter malfunction when deviation factor, i.e. deviation of estimated sucked air volume deviation relative to actual volume measured by air flow rate meter exceeds reference magnitude for determination of malfunction proceeding from ICE rpm. Proposed device defines normal operation of air flow rate meter when engine rpm exceeds or equals preset rpm provided the deviation is smaller than or equals reference value. It maintains, besides, the current result of determination when ICE rpm is smaller than predefined magnitude under particular conditions. This allows determination, proceeding engine rpm, if air flow rate meter operation is normal or is current result of determination is invariable.

EFFECT: higher accuracy of diagnostics.

4 cl, 4 dwg

FIELD: machine building.

SUBSTANCE: invention relates to systems of engines lubrication under pressure. The engine operation method contains oil injector to inject oil on the engine piston, at that oil injection is regulated upon occurrence of signs of early ignition.

EFFECT: invention ensures variable oil injection by the oil injector on the engine piston, thus ensuring engine adaptation to various work condition.

10 cl, 4 dwg

Ice control device // 2569127

FIELD: engines and pumps.

SUBSTANCE: invention can be used in electronic control units of internal combustion engines. Claimed device incorporates multi-core processor to compute various ICE operation problems and is provided with computation means to distribute the problems among multiple cores. It incorporates control means to make the number of core for use in computation means smaller at fuel feed shutoff than that before fuel shutoff. Said computation means comprises the means for selection of one assigned core of said cores to be used in specific computation relates to combustion in ICE. Control means cuts off said assigned core at fuel feed shutoff.

EFFECT: optimised distribution of computation resources in compliance with computation load, electric power saving.

6 cl, 4 dwg

FIELD: transport.

SUBSTANCE: invention relates to control over the vehicle idling engine shutdown. At engine idling, it is shutdown in response to vehicle stay at closed parking lot. At engine idling, its shutdown is delayed in response to vehicle stay at exposed space. Said delay is adjusted subject to ambient air moisture content with the drive spacing from the vehicle exceeds the threshold magnitude. Claimed invention discloses also the vehicle system.

EFFECT: friendly conditions for the driver, reduced toxic emissions, fuel saving.

10 cl, 5 dwg

FIELD: engines.

SUBSTANCE: invention relates to vehicles engines. Engine control method, in which suppression of premature ignition in cylinder is carried out based on parameter change rate in time, describing air charge in cylinder. Suppression includes fuel mix enrichment only of such cylinder, where premature ignition is detected if parameter change rate exceeds threshold value. Also, mixture in other cylinders is enriched, if parameter change rate is below threshold value. In another version presence of premature ignition sign is generated of steady-state mode in cylinder at first and second states, when sensor output signal exceeds first threshold level. Also performing premature ignition detection threshold correction for first cylinder based on air charge in first cylinder change rate.

EFFECT: premature ignition is prevented.

23 cl, 8 dwg

FIELD: transport.

SUBSTANCE: invention relates to field of vehicle, in particular, micro-hybrid vehicle, containing engine, AC generator or built-in starter-generator and, at least, one controller, which reduces AC generator or built-in starter-generator output voltage before engine automated shutdown.

EFFECT: reducing AC generator output voltage.

5 cl, 5 dwg

FIELD: transportation.

SUBSTANCE: invention relates to vehicles with start-stop system. Vehicle comprises engine and controller, which detects engine automatic shutdown locking condition, when estimate value of current, which will be required by vehicle electric loads, including climate control system, during engine automatic shutdown, exceeds threshold value of current. In response to detection of engine automatic shutdown condition controller prevents engine automatic shutdown.

EFFECT: increased driving comfort.

4 cl, 4 dwg

FIELD: engine devices and pumps.

SUBSTANCE: method for an engine includes a step, where with the help of an electronic controller (48) they indicate both the crankcase ventilation system deterioration (16) and the oil level in the crankcase oil sump (32), based on a single common crankcase sensor (63). The oil level in the crankcase oil sump (32) is determined by the electronic controller (48) based on the pressure equalization in the crankcase (28) with the atmospheric pressure. In this case, the single common crankcase sensor (63) is a pressure sensor that reads the pressure below the oil level in the crankcase sump (32). An engine system is also disclosed.

EFFECT: reduction of engine hardware and of noises in the pressure signal and increase in the accuracy of pressure determination.

12 cl, 4 dwg

FIELD: engines and pumps.

SUBSTANCE: proposed invention relates to devices designed to define the ICE combustion misses and appropriate methods to this end. This invention proposes the device allowing determining the combustion misses. It determines if the difference Nxd360 of rotation fluctuation exceeds, as the difference between rotation fluctuation Nxd at a certain angle CA of the engine crank turn angle and rotation fluctuation Nxd at CA crank turn angle preceding by 360 degrees the preset reference value A1 (stage S150), and if the rotation fluctuation difference Nxd720 and the difference between the rotation fluctuation Nxd at a certain crank turn angle, exceeds the preset reference value B1 (stage S160). The proposed device allows determining the combustion misses provided all the requirements specified in relations Nja2, Nja3 and Nja4 of rotation fluctuation differences proceeding from the rotation fluctuation difference Nxd360 (stage S200) are met as well as those specified in Njb2, Njb3 and Njb4 proceeding from the rotation fluctuation difference Nxd720 (stage S210), when both differences Nxd360 and Nxd720 exceed reference values A1 and B1 (stages S150 and S160).

EFFECT: higher adequacy and accuracy of determination of combustion misses during warming up of catalyst incorporated with exhaust gas control unit with notable ignition delay.

16 cl, 7 dwg

FIELD: engines and pumps.

SUBSTANCE: automatic combined microprocessor-based temperature controller incorporated with the vehicle power plant comprises AC current source, control element with temperature pickup, two identical induction motors with phase rotors and stator windings connected to electric power source. Rotor windings are connected in series via resistors; rotor and stator shafts are linked up with cooling fan shaft. Rotary stator of one of the induction motors is linked up with control element. Proposed device additionally comprises power plant output pickup, ambient cooling air temperature pickup and stator turn angle pickup connected to microprocessor controller inputs. Induction motor stator turning mechanism is connected to one of the controller outputs. Saturation throttle operating windings (magnetic amplifiers) are connected parallel to resistors that connect induction motor rotor windings, control windings of the former being connected to the second output of microprocessor controller via control unit. In compliance with another version of the temperature controller, induction motor rotor windings are connected in series via emitter-collector junctions of the transistors with their bases and emitters connected to aforesaid second output of microprocessor controller control transistor control unit.

EFFECT: automatic combined microprocessor-based temperature controller incorporated with the vehicle power plant.

2 cl, 5 dwg

FIELD: automotive industry.

SUBSTANCE: invention relates to automotive control instrumentation. Proposed control instrument controls the device incorporated with the vehicle to generate setting for vehicle device, control the latter using said setting and settle conflicts between several settings for one device. In the case of conflict, at least one of two settings is expressed in units other than those of another setting. Control instrument converts physical magnitudes of settings to unify units. Prior to converting physical magnitude of setting, the latter is memorised by control instrument. Conflict settled and setting required inverse conversion of physical magnitude, control instrument outputs memorised setting to make a device setting. Said device can made a vehicle traction force source. In setting generation, first and second settings are generated. First setting is base don driver manipulations (S100). Second setting is not based on driver manipulations. When engine makes the vehicle traction force source, first setting "a" is expressed in torque units (S200). Second setting "A" is expressed in traction force units (S400). On converting physical magnitudes, conversion into units of traction forces (S500) is carried out. First setting "a" (S300) is memorised. If first setting is selected after conflict settling (no S600), memorised first setting "a" (S900) is set for the engine.

EFFECT: better vehicle controllability.

3 cl, 3 dwg

FIELD: engines and pumps.

SUBSTANCE: invention relates to ICE spark failure identifier, vehicle with such identifier and method to identify ICE spark failure. ICE spark failure identifier comprises: turn position determination assembly, assembly to calculate rpm at singular turn angle or assembly to calculate angular speed at singular turn angles and assembly to identify spark failures. Assembly to identify spark failures reveals if ICE cylinders are subjected to spark failure conditions by procedures intended for identification of ICE spark failures. Procedures intended for identification of ICE spark failures comprise first and second procedures. First procedures are used in case ICE drive point (rpm Ne and torque Te) does not belong in rear section resonance region (s120). Second procedures are used in case ICE drive point (rpm Ne and torque Te) belong in rear section resonance region (s130). First procedures proceed from rpm irregularity at singular turn angle or angular speed irregularity at singular turn angles. Second procedures proceed from rpm irregularity at singular turn angle or angular speed irregularity at singular turn angles after filtration. Filtration is performed by HF filters. Vehicle comprises multi-cylinder ICE, rear part and spark failure identifier. Rear part is mounted on semi-axle side via damper. Spark failures are revealed by first or second procedure for rpm at singular turn angles.

EFFECT: higher accuracy and validity of determination.

35 cl, 20 dwg

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