Method and device for determining the pressure upstream from the turbine of a supercharging turbocharger of a thermal engine

A method for determining, in a turbocharger for supercharging a thermal engine including a turbine and a compressor, the pressure upstream from the turbine based on the inlet air flow, the pressure upstream from the compressor, the temperature upstream from the compressor, the pressure downstream from the compressor, the temperature upstream from the turbine, and the pressure downstream from the turbine.

Method for controlling the speed of an internal combustion engine supercharged by means of a turbocharger

A method controls a supercharged internal-combustion engine and comprises steps of: establishing predetermined lower-limit and higher-limit speeds (PLLS, PHLS) of a turbocharger; calculating a reduced lower-limit speed (RLLS) according to the PLLS and an absolute temperature upstream of a compressor; calculating a reduced higher-limit speed (RHLS), according to the PHLS and temperature, higher than the RLLS; determining an “over-speed” interval (OSI) between the RRLS and RHLS; calculating a current reduced-limit speed (CRLS); controlling the turbocharger to bring the CRLS back to no greater than the RLLS every time the CRLS is detected and within the OSI; establishing in a preliminary adjustment and set-up phase a threshold value; and controlling the turbocharger to bring the CRLS back to no greater than the RLLS after a time interval, which is equal to the threshold value, has elapsed from a moment in which the CRLS is detected and within the OSI.

Control device for turbocharged engine

An object of the present invention is to provide a control device for a turbocharged engine capable of accurately estimating the revolution speed of a turbine without using additional components for directly detecting the turbine revolution speed, and by accurately estimating the turbine revolution speed, capable of accurately keeping the turbine revolution speed at an allowed value or below and preventing excessive rotation. The control device for a turbocharged engine includes a turbocharger having a compressor disposed in an intake passage of an engine, and a turbine disposed in an exhaust passage of the engine, a fuel injection amount control unit for controlling a fuel injection amount to the engine according to an operating state of the engine, and a turbine revolution speed estimation unit for determining by calculations an estimated value of a revolution speed of the turbine from the operating state of the engine. When the estimated value of the turbine revolution speed exceeds a predetermined allowed value, the fuel injection control unit controls the fuel injection amount such that the estimated value of the turbine revolution speed becomes equal to or less than the allowed value.

Method for controlling the operation of a compressor

A method for controlling a compressor of a turbocharger is disclosed. In one example, the method comprises varying a maximum permitted compressor outlet temperature based upon a function of compressor outlet temperature and operating time, and controlling the operation of the compressor so that the maximum permitted compressor outlet temperature is not exceeded. In this way a higher boost pressure can safely be used during the early life of the compressor but excessive coking of the compressor with a resultant loss of efficiency later in the life of the compressor is reduced.

Method for operating a turbocharger arrangement and control unit for a turbocharger arrangement

A method for operating a turbocharger arrangement of an internal combustion engine, the turbocharger arrangement comprising a low-pressure and a high-pressure turbocharging stage arranged sequentially, the low-pressure turbo-charging stage comprising a low-pressure turbine with a sensorless low-pressure turbine bypass valve, is provided. The method comprises evaluating at least one sensor signal of the turbocharger arrangement for detecting a failure mode of the sensorless low-pressure turbine bypass valve. In this way, the low-pressure turbine bypass valve may be monitored for degradation without utilizing a position sensor.

Engine control device

An engine includes a dynamo-electric machine which generates electricity by the rotation of the engine; a secondary battery which stores electricity generated by the dynamo-electric machine; an electric supercharger including an electric compressor for supercharging intake air into combustion chambers; and a mechanical supercharger including an exhaust turbine configured to be driven by exhaust gas in the exhaust passage, and a mechanical compressor configured to supercharge intake air into the combustion chamber. An ECU (50) includes a remaining charge detector for detecting the remaining amount of charge of the secondary battery; and a supercharge control means for adjusting the ratio between a supercharging pressure by the electric supercharger and a supercharging pressure by the mechanical supercharger according to the remaining amount of charge of the secondary battery.

METHOD OF OPERATING AN INTERNAL COMBUSTION ENGINE, AN INTERNAL COMBUSTION ENGINE AND A MOTOR VEHICLE

A method of operating an internal combustion engine, wherein the internal combustion engine has at least one combustion engine, a fresh gas line, and a compressor integrated in the gas line, which is associated with a trim controller, via which an edge-side portion of the inlet cross section of a compressor impeller of the compressor is coverable to a variable extent. In this case, in a release position of the trim controller, the edge-side portion of the inlet cross section is covered relatively little, and in a covering position of the trim controller, is mostly covered. It is provided that in a transition from a traction mode of the combustion engine, in which the trim controller is in the release position, the trim controller is adjusted to an overrun mode of the combustion engine into the covering position. As a result, a so-called discharge hissing can be prevented or minimized. 1. A method for operating an internal combustion engine , the method comprising:providing a combustion engine and a fresh gas line, wherein a compressor is integrated in the fresh gas line and wherein the compressor is associated with a trim controller via which an edge-side portion of the inlet cross section of a compressor impeller of the compressor is adapted to be covered to a variable extent, wherein in a release position of the trim controller, the edge-side portion of the inlet cross section is covered relatively little and in a covering position of the trim controller, the edge-side portion is mostly covered;adjusting the trim controller to an overrun mode of the combustion engine into the covering position, in a transition from a traction mode of the combustion engine, in which the trim controller is in the release position.2. The method according to claim 1 , wherein claim 1 , in the covering position claim 1 , the trim controller covers the edge-side portion of the inlet cross section as much as possible.3. The method according to claim 1 , wherein the trim controller is ...

COOLING DEVICE FOR INTERNAL COMBUSTION ENGINE PROVIDED WITH BLOWBY GAS RECIRCULATION DEVICE AND TURBOCHARGER (AS AMENDED)

The object of the invention is to provide a cooling device for accomplishing both of required engine and compressor cooling degrees. The invention relates to a cooling device for an engine provided with a blowby gas recirculation device () and a turbocharger (), the blowby gas recirculation device recirculating a blowby gas to an intake passage upstream of a compressor of the turbocharger. The cooling device comprises a first cooling device () for cooling a body () of the engine and a second cooling device () for cooling an intake air, separately. The second cooling device cools the compressor (). 17.-. (canceled)8. A cooling device for an internal combustion engine provided with a blowby gas recirculation device and a turbocharger , the blowby gas recirculation device recirculating a blowby gas to an intake passage upstream of a compressor of the turbocharger ,the cooling device comprising:first cooling means for cooling a body of the engine; andsecond cooling means, other than the first cooling means, for cooling an intake air and the compressor,wherein the second cooling means has:a cooling medium passage in which a cooling medium for cooling the intake air and the compressor flows; anda compressor bypass passage for making a part of the cooling medium bypass the compressor.9. The cooling device for the engine as set forth in claim 8 , wherein the second cooling means has:medium cooling means for cooling a cooling medium;a cooling means bypass passage for making at least a part of the cooling medium bypass the medium cooling means; andbypass control means for controlling whether or not at least a part of the cooling medium is made to bypass the medium cooling means via the cooling means bypass passage, andthe bypass control means is configured to make at least a part of the cooling medium bypass the medium cooling means via the cooling means bypass passage when a temperature of the body of the engine is lower than a predetermined temperature.10. The cooling ...

CONTROL DEVICE FOR AN INTERNAL COMBUSTION ENGINE

In a control device for an internal combustion engine, when a target pre/post compressor pressure ratio calculated by a target pre/post compressor pressure ratio calculation part is more than a turbine-limit-time pre/post compressor pressure ratio calculated by a turbine-limit-time pre/post compressor pressure ratio calculation part, an upper limit of the target pre/post compressor pressure ratio is limited by the turbine-limit-time pre/post compressor pressure ratio, and a change rate of the target pre/post compressor pressure ratio is limited by a change rate limit value during a change rate limitation period after upper limit limitation processing starts, thereby preventing the target pre/post compressor pressure ratio from being suddenly fluctuated by a sudden fluctuation in a compressor passage flow rate, and suppressing the occurrence of the over rotation of the turbine and the control hunting. 1. A control device for an internal combustion engine , which is configured to control an internal combustion engine provided for a vehicle , a throttle valve, which is provided in an intake passage of the internal combustion engine;', 'an air flow sensor, which is configured to detect an intake air flow rate in the intake passage of the internal combustion engine;', 'a turbocharger, which includes a turbine provided in an exhaust passage of the internal combustion engine, and a compressor provided in the intake passage of the internal combustion engine and configured to rotate integrally with the turbine;', 'an exhaust bypass passage, which is configured to allow an upstream side and a downstream side of the turbine to communicate to each other;', 'a wastegate valve, which is provided in the exhaust bypass passage, and is configured to adjust a flow rate of exhaust gas of the internal combustion engine, which flows through the exhaust bypass passage;', 'an actuator, which is configured to drive the wastegate valve to change an open position of the wastegate valve; and ...

INTAKE PASSAGE STRUCTURE FOR TURBOCHARGER-EQUIPPED ENGINE

An intake passage structure for a turbocharger-equipped engine () includes a supercharging passage () and an air relief passage () that are provided in a compressor case (). The air relief passage () has a first passage () and a second passage (), each of which is in a non-linear shape. The first and second passages () and () each have an air outflow port () formed through an inner wall surface of an upstream portion () of the supercharging passage () upstream of a compressor (). The air outflow ports () are formed through different portions of the inner wall surface in a circumferential direction of the inner wall surface so as to overlap with each other in a direction along a central axis of the upstream portion (). 1. An intake passage structure for a turbocharger-equipped engine , the intake passage structure comprising:a compressor of the turbocharger housed in a compressor case;an upstream intake passage supplying intake air into the compressor case;a downstream intake passage supplying the intake air supplied into the compressor case and supercharged by the compressor to an intake port of the engine; anda throttle valve disposed in the downstream intake passage, whereina supercharging passage and an air relief passage are provided in the compressor case, the supercharging passage including the compressor and connecting the upstream intake passage and the downstream intake passage together, the air relief passage connecting an upstream portion of the supercharging passage upstream of the compressor and a downstream portion of the supercharging passage downstream of the compressor together without passing through the compressor, and returning a portion of the intake air supercharged by the compressor to the upstream portion of the supercharging passage upstream of the compressor,the air relief passage has a first passage and a second passage, each of which is in a non-linear shape,the first and second passages each have an air outflow port formed through an ...

INTAKE PASSAGE STRUCTURE FOR TURBOCHARGER-EQUIPPED ENGINE

An intake passage structure for a turbocharger-equipped engine () includes a supercharging passage () and an air relief passage () provided in a compressor case (). The air relief passage () has an air outflow port () formed through an inner wall surface of an upstream portion () of the supercharging passage () upstream of the compressor (). A projecting member () projecting radially inward of a specific portion () is provided on a portion of an inner wall surface of the specific portion () in a circumferential direction of the inner wall surface. The specific portion () ranges from a downstream portion of an upstream intake passage () to a portion of the supercharging passage () upstream of the air outflow port (). 1. An intake passage structure for a turbocharger-equipped engine , the intake passage structure comprising:a compressor of the turbocharger housed in a compressor case;an upstream intake passage supplying intake air into the compressor case;a downstream intake passage supplying the intake air supplied into the compressor case and supercharged by the compressor to an intake port of the engine; anda throttle valve disposed in the downstream intake passage, whereina supercharging passage and an air relief passage are provided in the compressor case, the supercharging passage including the compressor and connecting the upstream intake passage and the downstream intake passage together, the air relief passage connecting an upstream portion of the supercharging passage upstream of the compressor and a downstream portion of the supercharging passage downstream of the compressor together without passing through the compressor, and returning a portion of the intake air supercharged by the compressor to the upstream portion of the supercharging passage upstream of the compressor,the air relief passage has an air outflow port formed through an inner wall surface of the upstream portion of the supercharging passage upstream of the compressor, andat least one ...

A METHOD FOR MODELING A COMPRESSOR SPEED

A method is provided for modeling the compressor speed of a turbocharger, and includes determining the temperature difference across the compressor, determining the mass flow through the compressor, and calculating a compressor speed value as a function of the temperature difference across the compressor and the mass flow. 128-. (canceled)32. The method according to claim 29 , comprising:determining if a recovered exhaust gas flow is introduced downstream the compressor, and wherein the step of determining the mass flow is performed by determining the mass flow of the gas exiting the compressor and correcting the determined mass flow by a factor corresponding to recovered exhaust gas flow.33. The method according to claim 29 , wherein the step of determining the temperature difference across the compressor is performed by estimating the temperature downstream the compressor claim 29 , and by subtracting the estimated temperature from a measured ambient temperature.34. The method according to claim 33 , wherein the step of estimating the temperature downstream the compressor is performed by measuring the temperature in an air inlet manifold claim 33 , and correcting this temperature by a factor corresponding to the temperature loss across an associated cooler.35. The method according to claim 29 , comprising:determining the pressure ratio across the compressor, and wherein the step of calculating the compressor speed value is performed by calculating the compressor speed value as a function of the pressure ratio.36. The method according to claim 35 , wherein the step of determining the pressure ratio across the compressor is performed by:determining if the ambient pressure is below a preset ambient pressure corresponding to high altitude conditions, and if so, setting the ambient pressure as the preset ambient pressure, anddividing the boost pressure with the ambient pressure.37. The method according to claim 36 , wherein the step of calculating the compressor speed ...

METHOD AND SYSTEM FOR SURGE CONTROL

Methods and systems are provided for improving surge detection and mitigation. In one example, a surge detection method may selectively filter an aggregate of temperature-adjusted manifold pressure and boost pressure in a frequency range indicative of surge to reduce the effect of non-minimum phase behavior of throttle inlet pressure on surge detection. In addition, the noise contribution of particular engine actuators on throttle inlet pressure in the selected frequency range may be accounted for, reducing the occurrence of false surge indications. 1. A method for a boosted engine , comprising:combining one or more of manifold airflow and manifold pressure with throttle inlet pressure into an aggregate intake pressure; andadjusting an operating parameter responsive to compressor surge, the surge determined based on the aggregate intake pressure, and further based on intake temperature.2. The method of claim 1 , further comprising claim 1 , processing the aggregate intake pressure via a filter.3. The method of claim 2 , wherein the filter passes selected frequencies indicative of surge and disables the passing of frequencies outside of surge.4. The method of claim 3 , wherein the selected frequencies that are passed through the filter include a range of frequencies that change with engine operating conditions including temperature.5. The method of claim 4 , wherein the temperature includes one or more of an intake manifold air charge temperature and a compressor inlet temperature.6. The method of claim 4 , wherein the temperature includes a weighted average of an intake manifold air charge temperature and a compressor inlet temperature.7. The method of claim 2 , wherein the filter includes one or more of a low-pass filter and a band-pass filter claim 2 , and wherein a passing range of the filter is adjusted based on engine operating conditions.8. The method of claim 3 , further comprising claim 3 , during a tip-in event claim 3 , ignoring an output of the filter ...

CONTROL DEVICE OF TURBOCHARGED ENGINE

When it is detected that an exhaust cut valve is stuck in a closed state, a control device stops feedback control and maintains a wastegate valve in a completely open state in each of an open operation range and a closed operation range. When it is detected that the exhaust cut valve is stuck in an open state, the control device stops the feedback control and maintains the wastegate valve in the completely open state in the closed operation range, whereas the control device performs the feedback control in the open operation range. 1. A control device of a turbocharged engine ,the control device comprising:a turbocharger including a turbine disposed on an exhaust passage of the engine and a compressor disposed on an intake passage of the engine;an exhaust cut valve configured to be switched between an open state and a closed state to switch a flow velocity of an exhaust gas of the engine between two velocities that are high and low velocities in front of the turbine in the exhaust passage;an exhaust bypass passage through which the exhaust gas flows so as to bypass the turbine;a wastegate valve disposed on the exhaust bypass passage;a supercharging pressure detector configured to detect supercharging pressure of intake air supercharged by the compressor; and switch the exhaust cut valve between the open state and the closed state in accordance with an operation range of the engine and', 'perform feedback control for an opening degree of the wastegate valve such that actual supercharging pressure detected by the supercharging pressure detector becomes target supercharging pressure preset in accordance with an operation state of the engine in each of an open operation range where the exhaust cut valve becomes the open state and a closed operation range where the exhaust cut valve becomes the closed state, wherein:, 'a valve control device configured to'}the open operation range denotes a range where revolution of the engine is higher than predetermined revolution; ...

ELECTRIC CHARGING DEVICE WITH ROTOR COOLING

A charging device for an internal combustion engine with rotor cooling has a shaft, a compressor wheel mounted on the shaft, a stator housing and a stator. The stator is arranged in the stator housing. The charging device additionally has a rotor arranged rotatably fixed on the shaft The rotor is surrounded by the stator. A first fan device is arranged for common rotation with the shaft in order to generate a circulating air flow in the stator housing for cooling the rotor. 110. A charging device () for an internal combustion engine , comprising:{'b': '100', 'a shaft ();'}{'b': 600', '100, 'a compressor wheel () mounted on the shaft ();'}{'b': '200', 'a stator housing ();'}{'b': 300', '300', '200, 'a stator (), wherein the stator () is arranged in the stator housing ();'}{'b': 400', '100', '400', '300, 'a rotor () arranged rotatably fixed on the shaft (), wherein the rotor () is surrounded by the stator (); and'}{'b': 500', '500', '100', '200', '400, 'a first fan device (), wherein the first fan device () is arranged for common rotation with the shaft () in order to generate an air flow circulating in the stator housing () for cooling the rotor ().'}2400400300. The charging device according to claim 1 , wherein the air flow is guided in the axial direction along the rotor () claim 1 , between rotor () and stator ().3300200200. The charging device according to claim 1 , wherein the air flow is guided back in the axial direction between the stator () and the stator housing () and/or through the stator housing () claim 1 ,4200. The charging device according to claim 1 , wherein at least one duct claim 1 , through which the air flow is guided claim 1 , is provided on and/or in the stator housing () claim 1 , wherein the duct is configured as a groove and/or hole.5. The charging device according to claim 4 , wherein at least 3 ducts are provided.6200. The charging device according to claim 1 , wherein the stator housing () is fluid cooled. ...

Straddled vehicle

In a vehicle, a rod of a waste gate valve actuator reciprocates along a virtual plane which is parallel to both the central axis of a connecting shaft of a turbocharger and the cylinder axis of a cylinder hole. When viewed in the left or right direction of the vehicle, a main catalyst of a catalyst portion is provided forward of the cylinder axis of the cylinder hole. The flow direction of the exhaust gas in the main catalyst intersects with the reciprocating direction of the rod of the waste gate valve actuator when viewed in a direction orthogonal to both the central axis of the connecting shaft of the turbocharger and the central axis of the cylinder hole.

Valve

A valve having a housing, a solenoid arranged in the housing, a pin movable by the solenoid, a piston connected to the pin, a second housing part that bears against the housing and which partially accommodates the piston, and a seal arranged between the second housing part and piston. The seal is connected to the second housing part. The seal surrounds a region of the second housing part such that the region forms at least one undercut for the seal.

METHODS AND SYSTEMS FOR A COOLING ARRANGEMENT

Methods and systems are provided for an intake system. In one example, a housing comprises a compressor, a cooler, and an air intake arranged therein. The cooler comprises a cylindrical shape and surrounds the compressor. 1. A system , comprising:a compressor housing comprising a compressor, a cooler, and a filter, wherein the cooler is cylindrically shaped and surrounds the compressor within the housing.2. The system of claim 1 , wherein the cooler is arranged between the compressor and the filter.3. The system of claim 1 , wherein the cooler is a liquid cooling system.4. The system of claim 1 , wherein the cooler is fluidly coupled to an engine cooling system.5. The system of claim 1 , wherein the compressor is electrically driven via an electric motor.6. The system of claim 5 , wherein the electric motor is arranged in the compressor housing.7. The system of claim 5 , wherein the cooler surrounds the electric motor.8. The system of claim 5 , wherein the cooler directs coolant to the electric motor claim 5 , and wherein coolant from the electric motor is discharged through an outlet configured to expel the coolant from the compressor housing.9. An intake system claim 5 , comprising:a housing comprising a compressor, an electric motor, a cooler, and an air filter integrally arranged therein, wherein the cooler is fluidly coupled to a radiator of an engine coolant system.10. The intake system of claim 9 , wherein the cooler comprises a cylindrical shape and circumferentially surrounds the compressor and the electric motor.11. The intake system of claim 10 , wherein the air filter is arranged radially outside of the cooler claim 10 , and wherein there is a gap between the air filter and the cooler.12. The intake system of claim 10 , wherein a rotor assembly is arranged within the housing and surrounded by the cooler claim 10 , wherein the rotor assembly is in face-sharing contact with the electric motor and fluidly coupled to the cooler.13. The intake system of claim ...

APPARATUS FOR SUPPORTING WASTE GATE MODULE

An apparatus for supporting a waste gate module includes a support bracket connecting the waste gate module and a turbocharger housing, and a coupling protrusion formed on a face of the support bracket and that faces the waste gate module, where the coupling protrusion has an end coupled to the waste gate module. 1. An apparatus for supporting a waste gate module , comprising:a support bracket connecting the waste gate module and a turbocharger housing; anda coupling protrusion formed on a face of the support bracket and that faces the waste gate module, the coupling protrusion having an end coupled to the waste gate module.2. The apparatus of claim 1 , wherein the support bracket has one end integrated and coupled with the turbocharger housing.3. The apparatus of claim 1 , wherein a plurality of the coupling protrusions is formed on a face of the support bracket.4. The apparatus of claim 1 , wherein:three coupling protrusions are formed on one face of the support bracket at predetermined intervals, andthe coupling protrusions are disposed to correspond to vertices of a triangular shape.5. The apparatus of claim 1 , wherein a cross section of the coupling protrusion has a circular shape.6. The apparatus of claim 1 , wherein a bolt inserted into the waste gate module protrudes from and is disposed at a central part of an axial cross section of the coupling protrusion.7. The apparatus of claim 3 , wherein a plurality of grooves is formed on the face of the support bracket in which the coupling protrusions are formed.8. The apparatus of claim 1 , wherein an insulator for insulation or anti-vibration is further provided between faces of the coupling protrusion and the waste gate module which are coupled.9. The apparatus of claim 8 , wherein the insulator has a circular shape.10. The apparatus of claim 1 , wherein the support bracket is coupled to a compressor-side of the turbocharger housing.11. The apparatus of claim 1 , wherein the waste gate module is an electronic ...

METHOD AND SYSTEM FOR BOOST PRESSURE CONTROL

Methods and systems are provided for controlling boost pressure in a staged engine system comprising a turbocharger and an upstream electric supercharger. In one example, a method may include accelerating an electric supercharger to choke the flow of air to the engine in the event of turbocharger overboost. 1. A method for operating a vehicle system , comprising:bypassing a first, upstream compressor and providing a flow of compressed air to a direct injection piston engine via a second, downstream compressor, at least one of the compressors driven by an electric motor electrically coupled with a battery;in response to a boost pressure overshoot, adjusting speed of the first compressor; and in response to an indication of degradation of a compressor bypass valve, adjusting an actuator with a default tuning.2. The method of claim 1 , further comprising claim 1 , accelerating the first compressor while maintaining an intake throttle open until an airflow through the second compressor is below a threshold claim 1 , and then decelerating the first compressor.3. The method of claim 2 , wherein the first compressor is driven by an electric motor and the second compressor is driven by an exhaust turbine claim 2 , and wherein adjusting the speed of the first compressor includes spinning the motor at a motor speed based on the airflow.4. The method of claim 3 , wherein the bypassing the first compressor is responsive to a turbine speed being higher than a threshold speed.5. The method of claim 1 , wherein the boost pressure overshoot includes a boost error between a desired boost pressure and an actual boost pressure claim 1 , and wherein accelerating the first compressor includes estimating a desired pressure ratio across the second compressor based on the boost error claim 1 , determining a desired airflow into the second compressor based on the desired pressure ratio claim 1 , and then operating the first compressor at a compressor speed that lowers an airflow into the ...

METHOD FOR CONTROLLING AN ELECTRIFIED TURBOCHARGER OF AN INTERNAL COMBUSTION ENGINE, AND A MOTOR VEHICLE WITH AN INTERNAL COMBUSTION ENGINE

A method for controlling an electrical exhaust gas turbocharger of an internal combustion engine includes a measure (a), in accordance with which a load requirement placed on the internal combustion engine is monitored, and a measure (b), in accordance with which a boost mode of the electrical exhaust gas turbocharger is activated if the load requirement monitored in measure (a) exceeds a predetermined threshold value. 1. A method for controlling an electrified exhaust gas turbocharger of an internal combustion engine , in particular of a motor vehicle , the internal combustion engine including an exhaust gas flow module and an intake air flow module , the electrified exhaust gas turbocharger including an exhaust gas turbine , arranged in the exhaust gas flow module and driven by exhaust gas from the internal combustion engine , which exhaust gas turbine is connected by a drive to an electrical generator , the electrified exhaust gas turbocharger including a compressor for the compression of charge air supplied to the internal combustion engine via the intake air flow module , which compressor can be driven by an electrical motor , which is connected , or can be connected , by a drive to the generator , the electrified exhaust gas turbocharger having a boost pressure control device , in particular a wastegate valve and/or a variable turbine geometry , with which a fluid flow throttling resistance , which is encountered by the flow of the exhaust gas in the course of operation of the internal combustion engine , can be varied , the method comprising:(a) monitoring a load requirement placed on the internal combustion engine; and(b) if the load requirement monitored in measure (a) exceeds a predetermined (first) threshold value: activating a boost mode of the electrified exhaust gas turbocharger, in which the fluid flow throttling resistance is minimized with the boost pressure control device, and the electrical motor is supplied with electrical power and energy such ...

RECIRCULATION SYSTEM FOR A POWER SYSTEM THAT INCLUDES A PLURALITY OF TURBOCHARGERS

A recirculation system for a power system is disclosed. The recirculation system may determine, according to a sequence for individually activating a plurality of turbochargers of an engine, that a designated turbocharger of the plurality of turbochargers is to be activated. The recirculation system may cause a recirculation valve of a recirculation line to open to increase an airflow between an intake manifold and a compressor of the designated turbocharger. 1. A power system comprising:an engine;a plurality of turbochargers associated with the engine;a recirculation system configured between a first turbocharger of the plurality of turbochargers and an intake manifold of the engine; and determine that the first turbocharger is to be activated according to a turbocharger activation sequence associated with the plurality of turbochargers; and', 'cause, based on determining that the first turbocharger is to be activated, a recirculation valve of the recirculation system to open to allow airflow between the intake manifold and a compressor of the first turbocharger., 'a controller to2. The power system of claim 1 , wherein the recirculation system includes a recirculation line that is fluidly coupled to the intake manifold of the engine and the compressor of the first turbocharger claim 1 ,wherein the recirculation valve is configured within the recirculation line to control the airflow to prevent a speed of the first turbocharger from exceeding a threshold.3. The power system of claim 1 , further comprising: 'wherein the airflow between the intake manifold and the compressor of the first turbocharger includes the cooled air to slow a speed of the first turbocharger as the first turbocharger is activated.', 'an intake cooling system to provide cooled air to the intake manifold of the engine,'}4. The power system of claim 1 , wherein the plurality of turbochargers are configured to be individually activated according to a sequence and based on an engine speed of the ...

ENABLING POWER UNIT PROTECTION MODES WITHOUT DE-RATES

A power unit for use with an internal combustion engine including a compressor housing, a compressor wheel positioned within and rotatable with respect to the compressor housing, a shaft coupled to the compressor wheel and rotatable together therewith, a motor assembly in operable communication with the shaft, and a controller in operable communication with the motor assembly. Where the controller is adjustable between a first mode of operation, in which the motor assembly applies torque to the shaft in a first direction of rotation, and a second mode of operation, in which the motor assembly unit applies torque to the shaft in a second direction of rotation opposite the first direction of rotation. 1. A power unit for use with an internal combustion engine comprising:a compressor housing;a compressor wheel positioned within and rotatable with respect to the compressor housing;a shaft coupled to the compressor wheel and rotatable together therewith;a motor assembly in operable communication with the shaft; anda controller in operable communication with the motor assembly, wherein the controller is adjustable between a first mode of operation, in which the motor assembly applies torque to the shaft in a first direction of rotation, and a second mode of operation, in which the motor assembly unit applies torque to the shaft in a second direction of rotation opposite the first direction of rotation.2. The power unit of claim 1 , further comprising:a turbine housing; anda turbine wheel positioned within and rotatable with respect to the turbine housing, and wherein the turbine wheel is coupled to and rotatable together with the shaft.3. The unit of claim 2 , wherein the turbine wheel is configured to apply torque to the shaft in the first direction of rotation.4. The unit of claim 1 , wherein the motor assembly receives electrical power from an external power source in the first mode of operation.5. The unit of claim 1 , wherein the motor assembly produces electrical ...

Internal combustion engine with turbine

Methods and systems are provided for controlling a turbine within an internal combustion engine. In one example, a turbine system within an internal combustion engine may include at least one turbine with a housing that may further include at least one impeller mounted on a rotatable shaft, inlet and outlet regions, and at least one overpressure line including a self-controlling valve for controlling the flow of exhaust gas.

CONNECTING ARRANGEMENT FOR TURBOCHARGER ACTUATOR

Methods and systems are provided for an actuator connected to a turbocharger via a connecting arrangement. In one example, a system may include a connection arrangement which yields above a threshold force. The yielding of the connection arrangement may allow the movement of the actuator in a predetermined direction. 1. A turbocharger for a motor vehicle , including:a housing; andan actuator attached to the housing via a connecting arrangement, wherein the connecting arrangement is configured to yield when a threshold force between the actuator and the housing is exceeded and the yielding allowing movement of the actuator.2. The turbocharger of claim 1 , wherein the connecting arrangement has a bracket and at least one connecting element which connects the bracket to the actuator claim 1 , the connecting element extending through a passage opening of the bracket.3. The turbocharger as claimed in claim 2 , wherein the bracket has two arm portions each with a passage opening for a connecting element claim 2 , wherein an actuating rod is guided between the arm portions.4. The turbocharger of claim 3 , wherein at least one passage opening has an elongate shape.5. The turbocharger as claimed in claim 4 , wherein the connecting element is arranged at a first end of the passage opening and a material thickness of the bracket reduces from the first end to a second end.6. The turbocharger of claim 5 , wherein at least one passage opening is open at an edge.7. The turbocharger of claim 6 , wherein one or more securing elements is positioned such that the connecting element is held in a position and one or more securing elements are configured to yield when the threshold force is exceeded.8. The turbocharger of claim 7 , wherein one or more securing elements is configured to detach from the bracket when the threshold force is exceeded.9. The turbocharger of claim 8 , wherein one or more securing elements is formed as an inwardly directed protrusion.10. The turbocharger of ...

Methods and system for determining compressor recirculation valve sludge

Systems and methods for determining the presence or absence of deposits that may accumulate within a compressor recirculation valve positioned in parallel with a turbocharger compressor are presented. The systems and methods adjust actuators to maintain engine operation such that it may be more difficult for a driver to become aware that a compressor recirculation valve diagnostic is being executed.

Air cooled electronic turbo actuator

A number of variations may include a product comprising an engine having an intake manifold and an exhaust manifold; a turbocharger having a compressor operatively attached to a turbine, wherein the compressor is in fluid communication with the intake manifold through a first conduit and the turbine is in fluid communication with the exhaust manifold through a second conduit; an actuator in operative communication with one of a vane pack or a wastegate; a charge air cooler disposed within the first conduit; a first air filter in fluid communication with the compressor through a third conduit; a mass air flow sensor disposed within the third conduit; and an actuator cooling system operatively attached to an interior of the actuator to deliver an air flow to the interior of the actuator to cool the actuator.

CONTROLLER AND CONTROL METHOD FOR INTERNAL COMBUSTION ENGINE

A controller includes a forced-induction-device controlling section, an obtaining section that is configured to repeatedly obtain a temperature of the coolant in the intake-air cooling system, a determining section that is configured to determine whether the temperature obtained by the obtaining section is higher than or equal to a forced-induction limiting control starting temperature. On condition that the temperature of the coolant has risen to a value at which the determining section determines that the temperature obtained by the obtaining section is higher than or equal to the forced-induction limiting control starting temperature, the forced-induction-device controlling section starts a forced-induction limiting control to lower a forced-induction pressure In the forced-induction limiting control, the forced-induction-device controlling section increases an extent of limiting of the forced induction as the temperature obtained by the obtaining section becomes closer to the boiling point. 1. A controller for an internal combustion engine , wherein the controller is configured to be employed in an internal combustion engine including a forced-induction device , an intercooler that cools an air compressed by the forced-induction device , a radiator that releases heat from coolant that has passed through the intercooler , and a pump that is arranged in an intake-air cooling system in which the intercooler and the radiator are arranged , the controller comprising:a forced-induction-device controlling section that is configured to control the forced-induction device;an obtaining section that is configured to repeatedly obtain a temperature of the coolant in the intake-air cooling system; anda determining section that is configured to determine whether the temperature obtained by the obtaining section is higher than or equal to a forced-induction limiting control starting temperature, which is lower than a boiling point of the coolant, whereinthe forced-induction- ...

Supercharger Cooling Means

According to the present invention, a rotary blower or supercharger includes a recirculation loop for readmitting pressurized outlet gas back into the rotor chambers, and cooling means for cooling the pressurized outlet gas before it is readmitted into the rotor chambers, thereby providing a supercharger having a lower operating temperature and a higher operating pressure capability. In the preferred embodiment of the present invention, a supercharger includes a housing assembly defining first and second transversely overlapping cylindrical chambers. The housing defines an inlet port for the inflow of an inlet gas, and an outlet port for the outflow of the outlet gas. The supercharger further has first and second meshed, lobed rotors respectively disposed in the chambers for counter rotation about axes substantially coincident with the chamber axes. According to the present invention, the housing further includes a recirculation port and a recirculation flow path for recirculation of a portion of outlet gas flowing out of the outlet port back into cylindrical chamber. The recirculation flow path further including cooling means for cooling of at least a portion of the outlet gas, thereby providing a cooler operating supercharger.

Work machine

To reduce increase of the temperature of a control device of a supercharger and increase the lifetime of the control device of the supercharger, a work machine includes a variable geometry supercharger having changeable supercharge pressure and a working device. The work machine includes a variable displacement work hydraulic pump configured to be driven by an engine and supply pressure oil to an actuator configured to drive the working device; a supercharger control device configured to control the supercharger; a temperature detection device configured to detect the temperature of the supercharger control device; and a main control device configured to restrict, in case the temperature of the supercharger control device is higher than a first temperature, a maximum absorbing torque of the work hydraulic pump as compared to case the temperature of the supercharger control device is lower than the first temperature.

WORK VEHICLE

To curb temperature rises in a control device for a supercharger and extend the life of the control device for the supercharger, a work vehicle includes a variable geometry supercharger with variable boost pressure, and a working device driven by pressure oil discharged from a working hydraulic pump, the work vehicle further including: a supercharger control device adapted to control the supercharger; a temperature detection device adapted to detect temperature of the supercharger control device; and a main control device adapted to limit at least one of maximum rotational speed of an engine and maximum vehicle speed of the work vehicle in case the temperature of the supercharger control device is above a predetermined temperature as compared to case the temperature of the supercharger control device is below the predetermined temperature. 1. A work vehicle comprising a variable geometry supercharger with variable boost pressure , and a working device driven by pressure oil discharged from a working hydraulic pump , the work vehicle further comprising:a supercharger control device adapted to control the supercharger;a temperature detection device adapted to detect temperature of the supercharger control device; anda main control device adapted to limit at least one of maximum rotational speed of an engine and maximum vehicle speed of the work vehicle in case the temperature of the supercharger control device is above a predetermined temperature as compared to case the temperature of the supercharger control device is below the predetermined temperature.2. The work vehicle according to claim 1 , further comprising:a refrigerant temperature detection device adapted to detect temperature of refrigerant for the engine, whereinin case the temperature of the supercharger control device is above the predetermined temperature, the main control device limits at least one of the maximum rotational speed of the engine and the maximum vehicle speed of the work vehicle based on ...

Supplemental Electromagnetic Turbocharger Actuator

A turbocharger system for an engine includes a rotor, a primary bearing system arranged to axially and radially support the rotor to rotate on a central rotational axis, a compressor coupled to a rotor to rotate with the rotor, a turbine coupled to the rotor to rotate with the rotor, and an electromagnetic actuator adjacent to the rotor. The electromagnetic actuator selectively acts on the rotor and supplements the axial support of the primary bearing system by applying a magnetic force on the rotor in a direction parallel to the central rotational axis of the rotor. 1. A turbocharger system for an engine , comprising:a rotor;a primary bearing system arranged to axially and radially support the rotor to rotate on a central rotational axis;a compressor coupled to the rotor to rotate with the rotor;a turbine coupled to the rotor to rotate with the rotor; andan electromagnetic actuator adjacent to the rotor to selectively act on the rotor and supplement the axial support of the primary bearing system by applying a magnetic force on the rotor in a direction parallel to the central rotational axis of the rotor.2. The turbocharger system of claim 1 , where the electromagnetic actuator is configured to support up to 50% of an axial load capacity of the primary bearing system on the rotor.3. The turbocharger system of claim 1 , where the turbocharger is operably connected to an engine claim 1 , and where the primary bearing system is configured to support a maximum axial load on the rotor at a maximum operational state of the engine.4. The turbocharger system of claim 1 , comprising a controller coupled to the electromagnetic actuator claim 1 , the controller configured to control a variable magnetic force of the electromagnetic actuator on the rotor based on an operational state of the engine.5. The turbocharger system of claim 4 , where the controller controls the electromagnetic actuator to support the entire axial load on the rotor up to a first engine operational ...

Internal combustion engine

An internal combustion engine includes a twin entry type turbocharger with which a first exhaust passage and a second exhaust passage respectively communicate individually, a communication path that causes the first exhaust passage and the second exhaust passage to communicate with each other, a communication valve that opens and closes the communication path, an abnormality diagnosis device that diagnoses presence or absence of abnormality of the communication valve, a variable valve timing mechanism capable of changing a period of valve overlap of the engine, and a control device. When it is determined that abnormality of a valve closure failure of the communication valve is present, the control device operates the mechanism to reduce the valve overlap in an operating state in which the communication valve is closed, more than in a case where it is determined that abnormality of a valve closure failure of the communication valve is absent.

CONTROL OF A MOTOR IN AN ELECTRIC SUPERCHARGER

A control system () for controlling a motor in an electric supercharger, the system () comprises a memory module comprising an input variable cap behaviour () (for example a full-load curve), a processor arranged to apply the input variable cap behaviour () to impose an input variable cap (for example a torque cap) on the input variable (for example the torque) required to change the speed of the motor from the actual speed towards the target speed. The input variable cap in the input variable cap behaviour () preferably varies as a function of the speed of the motor. The input variable cap behaviour () is preferably selected from a plurality of different input variable cap behaviours (), each being designed to achieve a different power consumption by the motor. 1. A method of controlling a motor in an electric supercharger when changing the speed of the motor from an actual speed to a target speed , the method comprising the steps of repeatedly:(i) determining the magnitude of an input variable required to change the speed of the motor from the actual speed towards the target speed,(ii) imposing an input variable cap on the input variable required, thereby establishing an input variable set point, and(iii) supplying electrical current to the motor dependent on said input variable set point;wherein the magnitude of the input variable cap varies as a function of the speed of the motor, the variation in the magnitude of the input variable cap being predetermined such that the current drawn by the motor is kept below a predetermined threshold.2. The method according to claim 1 , wherein the input variable cap is based on an input variable cap behaviour previously selected from a plurality of different input variable cap behaviours claim 1 , wherein for each input variable cap behaviour: the magnitude of the input variable cap varies as a function of the speed of the motor claim 1 , and the variation in magnitude of the input variable cap is predetermined such that the ...

METHOD AND SYSTEM FOR BOOST PRESSURE CONTROL

Methods and systems are provided for controlling boost pressure in a staged engine system comprising a turbocharger and an upstream electric supercharger. In one example, a method may include coordinating the operation of the electric supercharger and an electric supercharger bypass valve and to open the electric supercharger bypass valve to reduce the extent and duration of electric supercharger overboost. 1. A method for a boosted engine , comprising:while a downstream compressor spins up, accelerating an upstream compressor with a bypass valve, coupled in a bypass across the upstream compressor, closed to provide a flow of compressed air to a piston engine;in response to a boost pressure overshoot while accelerating the upstream compressor, intermittently opening the bypass valve or a wastegate valve and adjusting speed of the first compressor.2. The method of claim 1 , wherein the downstream compressor is larger than the upstream compressor.3. The method of claim 1 , further comprising claim 1 , accelerating the upstream compressor while maintaining an intake throttle open until an airflow through the downstream compressor is below a threshold claim 1 , and then decelerating the upstream compressor.4. The method of claim 1 , further comprising claim 1 , while accelerating the upstream compressor claim 1 , positioning the wastegate valve in a more open position.5. The method of claim 3 , wherein a degree of opening of the bypass valve and a duration of opening of the bypass valve is increased as an actual boost pressure exceeds a desired boost pressure.6. The method of claim 1 , further comprising adjusting operation of the upstream compressor adjusted based on an altitude of vehicle operation.7. The method of claim 5 , further comprising claim 5 , in response to the boost pressure overshoot while flowing compressed air via the upstream compressor claim 5 , decelerating the upstream compressor by reducing the motor speed of an electric motor coupled to the ...

METHOD AND SYSTEM FOR PRE-IGNITION CONTROL

Methods and systems are provided for addressing pre-ignition occurring while operating with blow-though air delivery. A variable cam timing device used to provide positive intake to exhaust valve overlap is adjusted in response to an indication of pre-ignition to transiently reduce valve overlap. Pre-ignition mitigating load limiting and enrichment applied during a blow-through mode is adjusted differently from those applied when blow-through air is not being delivered. 1. A method for a boosted engine , comprising:while operating in a blow-through mode, reducing valve overlap of an intake and exhaust valve by adjusting a valve actuator in response to an indication of pre-ignition and adjusting ignition timing responsive to knock, pre-ignition indicated in response to knock sensor output before a cylinder spark event, knock indicated in response to knock sensor output after the cylinder spark event,wherein operating in a blow-through mode includes directing intake air from an intake manifold, downstream of a compressor, to an exhaust manifold, upstream of a turbine, via positive valve overlap around TDC at an end of an exhaust stroke through one or more engine cylinders, an amount of the positive valve overlap based on operating conditions,wherein directing intake air via positive valve overlap includes adjusting a variable cam timing device to adjust an intake or exhaust valve timing of the one or more cylinders from a first valve timing corresponding to no positive valve overlap to a second valve timing corresponding to positive intake valve to exhaust valve overlap, andwherein reducing valve overlap in response to the indication of pre-ignition includes, in response to the indication of pre-ignition in any engine cylinder, adjusting the variable cam timing device to adjust the intake or exhaust valve timing of all engine cylinders from the second valve timing towards the first valve timing, an amount of valve overlap reduction increased as the indication of pre- ...

System and method for operating an engine with an electrically driven compressor

Methods and systems for operating an engine with an electrically driven compressor are described. In one example, a model in a controller determines one or more temperatures of the electrically driven compressor to establish a power output upper threshold that is not to be exceeded by the electrically driven compressor. Various actuators may be adjusted responsive to the power output upper threshold to reduce the possibility of electrically driven compressor degradation.

Turbomachine, in particular for a fuel cell system, fuel cell system, method for operating a turbomachine, and method for operating a fuel cell system

Turbomachine (10), in particular for a fuel cell system (1). The turbomachine (10) comprises a compressor (11), a drive device (20) and a shaft (14). The compressor (11) has a rotor (15) arranged on the shaft (14), a compressor inlet (11a) and a compressor outlet (11b). A working fluid can be delivered from the compressor inlet (11a) to the compressor outlet (11b). A drive cooling path (92) for cooling the drive device (20) branches off at the compressor outlet (11b). Also proposed is a fuel cell system (1) with a turbomachine (10) according to the invention, a method for operating the turbomachine (10) and a method for operating the fuel cell system (1).

TURBOCHARGER TURBINE HOUSING

A turbocharger turbine housing can include a base that defines a turbine wheel opening that includes an axis that defines an axial direction; an exhaust inlet flange that defines an exhaust inlet; an exhaust outlet flange that defines an exhaust outlet; a wastegate shaft bore, a wastegate passage, a wastegate opening for the wastegate passage and a wastegate seat disposed about the wastegate opening; bosses where each of the bosses defines a coolant opening; a spiral coolant passage in fluid communication with at least two of the coolant openings where the spiral coolant passage includes at least two windings with respect to an axial dimension of the turbocharger turbine housing; and at least one coolant passage that is in fluid communication with at least two of the at least two windings of the spiral coolant passage. 1. A turbocharger turbine housing comprising:a base that defines a turbine wheel opening that comprises an axis that defines an axial direction;a exhaust inlet flange that defines an exhaust inlet;an exhaust outlet flange that defines an exhaust outlet;a wastegate shaft bore, a wastegate passage, a wastegate opening for the wastegate passage and a wastegate seat disposed about the wastegate opening;bosses wherein each of the bosses defines a coolant opening;a spiral coolant passage in fluid communication with at least two of the coolant openings wherein the spiral coolant passage comprises at least two windings with respect to an axial dimension of the turbocharger turbine housing; andat least one coolant passage that is in fluid communication with at least two of the at least two windings of the spiral coolant passage.2. The turbocharger turbine housing of wherein the at least one coolant passage that is in fluid communication with at least two of the at least two windings of the spiral coolant passage comprises a coolant passage that is radially offset from the axis and that extends a length in the axial direction.3. The turbocharger turbine housing ...

COOLING DEVICE FOR TURBOCHARGER OF INTERNAL COMBUSTION ENGINE PROVIDED WITH BLOWBY GAS RECIRCULATION DEVICE (AS AMENDED)

The object of the invention is to suppress the generation or accumulation of deposits in a compressor of a turbocharger of an engine provided with a blowby gas recirculation device. The invention relates to a cooling device for the turbocharger () of the engine () provided with the blowby gas recirculation device (). The cooling device has a cooled air introduction passage (). The blowby gas recirculation device introduces a blowby gas to an area upstream of the compressor. The cooled air introduction passage introduces a cooled air to a diffuser passage () of the compressor. The cooled air introduction passage introduces the cooled air to the diffuser passage in a direction having an acute angle with respect to a flow direction (IA) of the intake air flowing through the diffuser passage. 14.-. (canceled)5. A cooling device for a turbocharger of an internal combustion engine provided with:a combustion chamber;an intake passage in communication with the combustion chamber; an impeller for compressing an intake air suctioned into the combustion chamber;', 'an intake air inlet for introducing the intake air to the impeller; and', 'a diffuser passage into which the intake air introduced to the impeller via the intake air inlet and discharged from the impeller flows; and, 'a turbocharger having a compressor provided in the intake passage, the compressor includinga blowby gas recirculation device for introducing a blowby gas to the intake passage upstream of the compressor,wherein the cooling device comprises a low temperature gas introduction device for introducing, to the diffuser passage, a low temperature gas having a temperature lower than a temperature of the intake air flowing through the diffuser passage, andthe low temperature gas introduction device is configured to introduce the low temperature gas to the diffuser passage in an acute angle direction having an acute angle with respect to a flow direction of the intake air flowing through the diffuser passage.6. ...

METHOD FOR MODELING A COMPRESSOR SPEED

A method is provided for modeling the compressor speed of a turbocharger, and includes determining the temperature difference across the compressor, determining the mass flow through the compressor, and calculating a compressor speed value as a function of the temperature difference across the compressor and the mass flow. 4. The method according to claim 1 , comprising:determining if a recovered exhaust gas flow is introduced downstream the compressor, and wherein the step of determining the mass flow is performed by determining the mass flow of the gas exiting the compressor and correcting the determined mass flow by a factor corresponding to recovered exhaust gas flow.5. The method according to claim 1 , wherein the step of determining the temperature difference across the compressor is performed by estimating the temperature downstream the compressor claim 1 , and by subtracting the estimated temperature from a measured ambient temperature.6. The method according to claim 5 , wherein the step of estimating the temperature downstream the compressor is performed by measuring the temperature in an air inlet manifold claim 5 , and correcting this temperature by a factor corresponding to the temperature loss across an associated cooler.7. The method according to claim 1 , comprising:determining the pressure ratio across the compressor, and wherein the step of calculating the compressor speed value is performed by calculating the compressor speed value as a function of the pressure ratio.8. The method according to claim 7 , wherein the step of determining the pressure ratio across the compressor is performed by:determining if the ambient pressure is below a preset ambient pressure corresponding to high altitude conditions, and if so, setting the ambient pressure as the preset ambient pressure, anddividing the boost pressure with the ambient pressure.9. The method according to claim 8 , wherein the step of calculating the compressor speed value is performed by ...

A method and device for controlling the speed of rotation of a turbosupercharger in an internal-combustion engine

Device (10) for controlling the speed of a turbosupercharger (7) in an internal-combustion engine comprising: a compressor (9); a turbine (8) for driving the compressor (9) in rotation under the action of the exhaust gases of the engine (2); and a wastegate valve (12) for regulating the flow rate of the exhaust gases at input to the turbine (8) in such a way as to control the speed of rotation thereof; the control device (10) comprising: a calculating unit (15), which receives at input a set of parameters comprising a pre-set limit speed of rotation (N tc ) of the turbosupercharger (7), the air pressure (P AMB ) measured at input to the compressor (9), and the mass flow rate (Q AH ) of the compressor (9), and is designed to process said parameters for determining, through a pre-determined map (15a) that characterizes operation of the compressor (9), a limit supercharging pressure (S P1 ) correlated to the air pressure obtainable at output from the compressor (9) in a condition of rotation of the turbine (8) at a speed substantially equal to the pre-set limit speed of rotation (N tc ); a comparison unit (16) designed to verify whether a required objective supercharging pressure (P OB ) satisfies a pre-set relation with the calculated limit supercharging pressure (S P1 ); and a driving unit (17), which, in the case where the pre-set relation is satisfied, is designed to govern the wastegate valve (12) for controlling the speed of the turbine (8) as a function of the limit supercharging pressure (S P1 ) so as to limit the speed of rotation of the turbosupercharger (7) to a value substantially equal to the limit speed of rotation (N tc ).

Electric boost device control for turbocharger

New and/or alternative approaches to performance control in an engine system having a compressor configured to receive torque from each of a turbine placed in an exhaust output of an engine and an electric motor. A control unit for the electric motor, referred to as an ETurbo controller, is provided with each of a speed control signal and a torque control signal from an engine control unit. The ETurbo controller is configured to use the torque control signal and speed control signal to operate the electric motor without causing the compressor to exceed a speed boundary.

一种控制内燃机中的涡轮增压器的转速的方法和装置

控制内燃机中涡轮增压器速度的装置，包括：压缩机；驱动压缩机的涡轮机；和用于调整涡轮机入口处废气流量的废气闸门阀；该装置包括：计算单元，接收包括涡轮增压器的预设极限转速、压缩机入口测得的空气压力以及压缩机的质量流率的一组参数，并处理所述参数，通过预设的压缩机运转图确定极限增压压力，其与涡轮机以与预设极限转速大致相等的速度运转时、在压缩机出口可获得空气压力相对应；比较单元，用来验证所需的目标增压压力是否满足与计算出的极限增压压力之间的预设关系式；以及驱动单元，用来在预设关系式被满足时支配废气闸门阀，以便以极限增压压力的函数的方式控制涡轮机的速度，将涡轮增压器的速度限制到大致等于极限速度的值上。

Control device for supercharged internal combustion engine and control method therefor

Method of diagnostics of supercharged engine and corresponding engine

Способ диагностики двигателя внутреннего сгорания с наддувом, оборудованного турбокомпрессором фиксированной геометрии, содержащим компрессор, через который проходит воздух, поступающий во впускную систему двигателя, и турбину, которая связана во вращении с компрессором через общий вал и через которую проходят выхлопные газы двигателя в выпускную систему двигателя, при этом указанный двигатель связан: с дроссельным клапаном для изменения пропускного сечения воздуха, поступающего во впускную систему двигателя; и с разгрузочным вентилем waste-gate, установленным параллельно с турбиной в выпускной системе двигателя для изменения количества выхлопных газов, проходящих через турбину, при этом содержит: этап вычисления первого временного интеграла измерения атмосферного давления в течение времени вычисления; этап вычисления временного интеграла измерения давления наддува в течение указанного времени вычисления; этап вычисления второго временного интеграла измерения атмосферного давления в течение указанного времени вычисления; этап вычисления двух критериев диагностики; этап сравнения первого критерия диагностики с первым порогом диагностики и сравнения второго критерия диагностики с вторым порогом диагностики; и этап диагностики неисправности, когда по меньшей мере один из двух критериев диагностики меньше своего соответствующего порога диагностики. Техническим результатом является повышение точности диагностики двигателя. 2 н. и 10 з.п. ф-лы, 3 ил. РОССИЙСКАЯ ФЕДЕРАЦИЯ (19) RU (51) МПК F02B 37/12 F02B 37/18 F02B 37/22 F02D 41/00 G01M 15/04 (11) (13) 2 645 856 C2 (2006.01) (2006.01) (2006.01) (2006.01) (2006.01) ФЕДЕРАЛЬНАЯ СЛУЖБА ПО ИНТЕЛЛЕКТУАЛЬНОЙ СОБСТВЕННОСТИ (12) ОПИСАНИЕ ИЗОБРЕТЕНИЯ К ПАТЕНТУ (52) СПК F02B 37/12 (2017.08); F02B 37/18 (2017.08); F02B 37/225 (2017.08); F02D 41/0007 (2017.08); G01M 15/04 (2017.08) (21)(22) Заявка: 2015129571, 12.12.2013 12.12.2013 (73) Патентообладатель(и): РЕНО С.А.С. (FR) Дата регистрации: 28.02.2018 20.12.2012 FR 1262453 (43) Дата ...

Cooling device for internal combustion engine comprising blow-by gas recirculation device and supercharger

本发明的目的在于提供一种能够同时达成要求内燃机冷却程度与要求压缩机冷却程度的冷却装置。本发明涉及一种具备窜缸混合气回流装置(50)与增压器(60)，并且所述窜缸混合气回流装置使窜缸混合气向增压器的压缩机上游的进气通道中回流的内燃机的冷却装置。其独立地具备对内燃机的主体(20)进行冷却的第一冷却装置(70)与对进气进行冷却的第二冷却装置(80)。第二冷却装置对压缩机(61)进行冷却。

Method for diagnosing a loaded combustion engine in terms of a leakage in a section of the fresh gas section

Es ist ein Verfahren zur Diagnose einer Brennkraftmaschine vorgesehen, wobei die Brennkraftmaschine zumindest einen Verbrennungsmotor 1 und einen Frischgasstrang 5, über den dem Verbrennungsmotor 1 Frischgas zuführbar ist, umfasst. In den Frischgasstrang 5 sind weiterhin zumindest ein Frischgasverdichter 8 und, stromauf des Frischgasverdichters 8, eine Steuerklappe 15 integriert. In einem Betriebszustand der Brennkraftmaschine wird die Steuerklappe so weit geschlossen, dass mittels des laufenden Verbrennungsmotors 1 in dem zwischen der Steuerklappe 15 und dem Verbrennungsmotor 1 liegenden Abschnitt des Frischgasstrangs 5 ein Unterdruck im Vergleich zu dem Umgebungsdruck erzeugt wird, wobei ein diesem Unterdruck zugeordneter Istwert mit einem Sollwert verglichen wird und das Vorliegen oder das Nicht-Vorliegen einer Leckage in diesem Abschnitt des Frischgasstrangs 5 aus einer gegebenenfalls vorhandenen Differenz zwischen dem Istwert und dem Sollwert abgeleitet wird. A method for diagnosing an internal combustion engine is provided, the internal combustion engine comprising at least one internal combustion engine 1 and one fresh gas line 5, via which fresh gas can be supplied to the internal combustion engine 1. At least one fresh gas compressor 8 and, upstream of the fresh gas compressor 8, a control flap 15 are also integrated in the fresh gas line 5. In an operating state of the internal combustion engine, the control flap is closed to such an extent that, by means of the running internal combustion engine 1, a vacuum is generated in the section of the fresh gas line 5 lying between the control flap 15 and the internal combustion engine 1, with an actual value associated with this vacuum being included a target value is compared and the presence or absence of a leak in this section of the fresh gas line 5 is derived from a possibly existing difference between the actual value and the target value.

Method for diagnosing a supercharged internal combustion engine with regard to a leak in a section of the fresh gas line

Es ist ein Verfahren zur Diagnose einer Brennkraftmaschine vorgesehen, wobei die Brennkraftmaschine zumindest einen Verbrennungsmotor 1 und einen Frischgasstrang 5, über den dem Verbrennungsmotor 1 Frischgas zuführbar ist, umfasst. In den Frischgasstrang 5 sind weiterhin zumindest ein Frischgasverdichter 8 und, stromauf des Frischgasverdichters 8, eine Steuerklappe 15 integriert. In einem Betriebszustand der Brennkraftmaschine wird die Steuerklappe so weit geschlossen, dass mittels des laufenden Verbrennungsmotors 1 in dem zwischen der Steuerklappe 15 und dem Verbrennungsmotor 1 liegenden Abschnitt des Frischgasstrangs 5 ein Unterdruck im Vergleich zu dem Umgebungsdruck erzeugt wird, wobei ein diesem Unterdruck zugeordneter Istwert mit einem Sollwert verglichen wird und das Vorliegen oder das Nicht-Vorliegen einer Leckage in diesem Abschnitt des Frischgasstrangs 5 aus einer gegebenenfalls vorhandenen Differenz zwischen dem Istwert und dem Sollwert abgeleitet wird. A method for diagnosing an internal combustion engine is provided, the internal combustion engine comprising at least one internal combustion engine 1 and one fresh gas line 5, via which fresh gas can be supplied to the internal combustion engine 1. At least one fresh gas compressor 8 and, upstream of the fresh gas compressor 8, a control flap 15 are also integrated in the fresh gas line 5. In an operating state of the internal combustion engine, the control flap is closed to such an extent that, by means of the running internal combustion engine 1, a vacuum is generated in the section of the fresh gas line 5 lying between the control flap 15 and the internal combustion engine 1, with an actual value associated with this vacuum being included a target value is compared and the presence or absence of a leak in this section of the fresh gas line 5 is derived from a possibly existing difference between the actual value and the target value.

Method for diagnosing a supercharged internal combustion engine for leakage in a portion of the intake air line

A method for diagnosing a combustion machine, wherein the combustion machine comprises at least one internal combustion engine and one intake air line via which fresh air can be fed to the internal combustion engine. In addition, at least one intake air compressor and, upstream from the intake air compressor, a control flap are integrated into the intake air line. In one operating state of the combustion machine, the control flap is closed so far that a negative pressure relative to the ambient pressure is produced by means of the running internal combustion engine in the portion of the intake air line that lies between the control flap and the internal combustion engine, with an actual value that is associated with this negative pressure being compared with a target value and the presence or absence of leakage in this portion of the intake air line being deduced from any difference that might exist between the actual value and the target value.

Method for regulating exhaust-gas turbocharger of internal combustion engine, involves detecting operating parameter of internal combustion engine on basis of set rotation speed of exhaust-gas turbocharger

The method involves detecting an operating parameter of an internal combustion engine on the basis of set rotation speed of an exhaust-gas turbocharger and determining actual speed of the exhaust-gas turbocharger. A controlling parameter (11) is determined for adjusting an exhaust gas turbine on the basis of the actual speed and set rotation speed. The exhaust gas turbine is adjusted according to the determined controlling parameter. An independent claim is also included for a device for the execution of a regulating method.

Controlling exhaust gas recirculation in a turbocharged compression-ignition engine system

One embodiment of the invention may include a method of controlling exhaust gas recirculation (EGR) in a turbocharged compression-ignition engine system including a high pressure (HP) EGR path and a low pressure (LP) EGR path. The method may include determining a target total EGR fraction for compliance with exhaust emissions criteria, and determining a target HP/LP EGR ratio to optimize other engine system criteria within the constraints of the determined target total EGR fraction. The determining of the target HP/LP EGR ratio may include using at least engine speed and load as input to a base model to output a base EGR value, using at least one other engine system parameter as input to at least one adjustment model to output at least one EGR adjustment value, and adjusting the base EGR value with the at least one EGR adjustment value to generate at least one adjusted EGR value.

Controlling exhaust gas recirculation in a turbocharged compression-ignition engine system

Compensation of overspeed of a turbocharger shaft

Ein Verfahren zum Steuern von Motorbetrieb, wobei der Motor einen mittels einer Turboladerwelle zwischen einem Ansaug- und einem Abgaskrümmer des Motors angeschlossenen Turbolader aufweist, wobei das Verfahren umfasst: dynamisches Ermitteln der Turboladerwellendrehzahl beruhend mindestens auf Ansaug- und Abgaskrümmerdruckbedingungen unter Verwendung eines Drehmomentausgleichs über dem Turbolader; und Anpassen der Turboladerladung, um die Turboladerwellendrehzahl als Reaktion auf die dynamisch ermittelte Turboladerwellendrehzahl anzupassen. A method of controlling engine operation, the engine having a turbocharger connected between an intake and exhaust manifold of the engine by a turbocharger shaft, the method comprising dynamically determining turbocharger shaft speed based on at least intake and exhaust manifold pressure conditions using torque compensation across the turbocharger ; and adjusting the turbocharger load to adjust the turbocharger shaft speed in response to the dynamically determined turbocharger shaft speed.

Method and device for regulating an exhaust gas turbocharger

Verfahren zur Regelung eines Abgasturboladers eines Verbrennungsmotors, wobei der Abgasturbolader eine einstellbare Abgasturbine umfaßt, wobei mindestens ein Betriebsparameter des Verbrennungsmotors erfaßt wird, aufgrund dessen eine Solldrehzahl des Abgasturboladers ermittelt wird, und eine Istdrehzahl des Abgasturboladers erfaßt wird, wobei aufgrund der Istdrehzahl und der Solldrehzahl eine erste Steuergröße zur Einstellung der Abgasturbine ermittelt und die Abgasturbine entsprechend der ermittelten ersten Steuergröße eingestellt wird, dadurch gekennzeichnet, dass der Verbrennungsmotor ein Abgasrückführungssystem aufweist und dass eine zweite Steuergröße zur Einstellung des Abgasrückführungssystems ermittelt und ein Stellelement des Abgasrückführungssystems entsprechend eingestellt wird, wobei eine gleichzeitige Optimierung der ersten Steuergröße zur Einstellung der Abgasturbine und der zweiten Steuergröße zur Einstellung des Abgasrückführungssystems erfolgt. Method for regulating an exhaust gas turbocharger of an internal combustion engine, the exhaust gas turbocharger comprising an adjustable exhaust gas turbine, with at least one operating parameter of the internal combustion engine being detected, on the basis of which a target speed of the exhaust gas turbocharger is determined, and an actual speed of the exhaust gas turbocharger is detected, based on the actual speed and the target speed first control variable for setting the exhaust gas turbine is determined and the exhaust gas turbine is adjusted according to the determined first control variable, characterized in that the internal combustion engine has an exhaust gas recirculation system and that a second control variable for setting the exhaust gas recirculation system is determined and an actuator of the exhaust gas recirculation system is set accordingly, with simultaneous optimization the first control variable for setting the exhaust gas turbine and the second control variable for setting the exhaust ...

Method for controlling the speed of an internal combustion engine supercharged by means of a turbocharger

用于控制通过具有涡轮(13)和压缩机(14)的涡轮增压器(12)增压的内燃机(1)的方法，该控制方法包括步骤：建立涡轮增压器(12)预定的限定速度；计算涡轮增压器(12)的折合下限速度和折合上限速度，该下限速度和上限速度根据涡轮增压器(12)预定的下限速度和压缩机(14)上游的绝对温度(T o )而变化；确定包括在涡轮增压器(12)折合下限速度(N rid_inf )和折合上限速度(N rid_sup )之间的涡轮增压器(12)的超速区间；计算当前折合限定速度；和控制涡轮增压器(12)，从而使得每当检测到的当前折合限定速度包含在超速区域内时，将折合限定速度带回到低于折合下限速度的值。

Internal combustion engine control apparatus

本发明公开一种内燃机控制装置，其包括：涡轮增压器、进气量检测部分、进气压力检测部分、涡轮极限转速确定部分和涡轮控制部分。所述涡轮极限转速确定部分为与由所述进气量检测部分检测到的进气量对应的涡轮极限转速确定涡轮极限转速增压比，所述涡轮极限转速增压比是所述上游侧进气压力与所述压气机下游侧的所述进气通道内的下游侧进气压力之比，所述涡轮极限转速确定部分还利用所述上游侧进气压力和所述涡轮极限转速增压比来计算所述涡轮增压器的防止涡轮过度旋转的增压压力。所述涡轮控制部分基于所述防止涡轮过度旋转的增压压力控制所述涡轮增压器。

Method and system of diagnostics of power plant with two multi-stage turbo compressors

FIELD: measurement technology. SUBSTANCE: invention relates to method and system of diagnostics of power plant with two multi-stage turbo compressors. Diagnostic technique for power plant equipped with at least one turbo compressor (2) of low pressure and at least one turbo compressor (8) of high pressure, where turbo compressors are multi-stage and supply internal combustion engine, and the above power plant is equipped with vehicle, according to the invention, contains the following steps wherein the following shall be determined: power plant operation mode, power of high pressure turbine (13) depending on the first set of data and depending on operating mode power of high pressure turbine (13) depending on the second set of data, fault criterion is determined as ratio between the power of high pressure turbine (13) depending on the first set of data and power of high pressure turbine (13) depending on the second set of data, and the fault criterion is compared with stored values to determine whether the fault is present. EFFECT: method and diagnostic system of power plant with two multi-stage turbo compressors. 10 cl, 4 dwg РОССИЙСКАЯ ФЕДЕРАЦИЯ (19) RU (11) (13) 2 604 689 C2 (51) МПК F02B 37/013 (2006.01) G01M 15/04 (2006.01) ФЕДЕРАЛЬНАЯ СЛУЖБА ПО ИНТЕЛЛЕКТУАЛЬНОЙ СОБСТВЕННОСТИ (12) ОПИСАНИЕ (21)(22) Заявка: ИЗОБРЕТЕНИЯ К ПАТЕНТУ 2014116907/06, 11.09.2012 (24) Дата начала отсчета срока действия патента: 11.09.2012 Приоритет(ы): (30) Конвенционный приоритет: (72) Автор(ы): ФОНТВЬЕЙ Лоран (FR), МАРТЭН Людовик (FR), БРЮНЕЛЬ Реми (FR) 26.09.2011 FR 1158540 (43) Дата публикации заявки: 10.11.2015 Бюл. № 31 R U (73) Патентообладатель(и): РЕНО С.А.С. (FR) (45) Опубликовано: 10.12.2016 Бюл. № 34 (85) Дата начала рассмотрения заявки PCT на национальной фазе: 28.04.2014 2 6 0 4 6 8 9 (56) Список документов, цитированных в отчете о поиске: RU 2255247 C1, 27.06.2005. KZ 24776 B, 17.10.2011. US 20030216856 A1, 20.11.2003. US 20110154892 A1, 30.06.2011. JP 2005220890 A, 18.08. ...

METHOD AND SYSTEM FOR SUPPLY PRESSURE CONTROL

РОССИЙСКАЯ ФЕДЕРАЦИЯ (19) RU (11) (13) 2017 114 603 A (51) МПК F02B 33/00 (2006.01) ФЕДЕРАЛЬНАЯ СЛУЖБА ПО ИНТЕЛЛЕКТУАЛЬНОЙ СОБСТВЕННОСТИ (12) ЗАЯВКА НА ИЗОБРЕТЕНИЕ (21)(22) Заявка: 2017114603, 26.04.2017 (71) Заявитель(и): Форд Глобал Текнолоджиз, ЛЛК (US) Приоритет(ы): (30) Конвенционный приоритет: 20.05.2016 US 15/160,927 31 Адрес для переписки: 197101, Санкт-Петербург, а/я 128, "АРСПАТЕНТ", М.В. Хмара Стр.: 1 A 2 0 1 7 1 1 4 6 0 3 R U A (57) Формула изобретения 1. Способ для транспортного средства, содержащего двигатель с наддувом, содержащий шаги, на которых: в ответ на увеличение потребности водителя, для обеспечения потока сжатого воздуха к поршневому двигателю, ускоряют первый компрессор, расположенный выше по потоку от второго компрессора, причем первый компрессор приводят в действие электрическим мотором, а второй компрессор приводят в действие турбиной; и регулируют работу первого компрессора на основе альтитуды работы транспортного средства. 2. Способ по п. 1, дополнительно содержащий шаг, на котором, во время ускорения, для увеличения потока воздуха через первый компрессор, закрывают перепускной клапан, установленный в перепускном канале, проходящем параллельно первому компрессору. 3. Способ по п. 2, дополнительно содержащий шаг, на котором, во время ускорения первого компрессора, удерживают клапан перепускной заслонки, установленный в канале перепускной заслонки, проходящем параллельно турбине, в более открытом положении. 4. Способ по п. 3, дополнительно содержащий шаг, на котором, в ответ на перерегулирование давления наддува во время ускорения первого компрессора, периодически открывают перепускной клапан, в то же время поддерживая клапан перепускной заслонки закрытым. 5. Способ по п. 3, в котором клапан перепускной заслонки соединен с источником вакуума, и причем ускорение первого компрессора продолжают до тех пор, пока уровень вакуума в источнике вакуума не превысит порог. 6. Способ по п. 5, в котором порог основан на альтитуде работы транспортного ...

METHOD AND SYSTEM FOR IMPROVING STARTING A TURBOCHARGED ENGINE

1. Система двигателя, включающая в себя двигатель, турбонагнетатель, соединенный с двигателем и имеющий устройство для регулирования ротационного сопротивления турбонагнетателя; а также контроллер с записанными на нем долговременными командами по регулированию ротационного сопротивления турбонагнетателя с помощью указанного устройства в зависимости от температуры устройства доочистки выхлопных газов.2. Система по п.1, в которой указанное устройство приводится в действие с помощью гидравлического привода и выполнено с возможностью регулировать ротационное сопротивление турбонагнетателя, когда температура устройства доочистки выхлопных газов ниже порогового значения.3. Система по п.1, в которой указанное устройство приводится в действие с помощью электрического привода.4. Система по п.1, в которой указанное устройство представляет собой тормозное устройство.5. Система по п.4, в которой тормозное устройство включает в себя ротор, механически соединенный с валом турбонагнетателя.6. Система по п.1, в которой указанное устройство представляет собой электромашину.7. Система по п.6, в которой электромашина представляет собой генератор переменного тока.8. Система двигателя, включающая в себя двигатель, турбонагнетатель, соединенный с двигателем и имеющий устройство для регулирования ротационного сопротивления турбонагнетателя; а также контроллер с записанными на нем долговременными командами по регулированию ротационного сопротивления турбонагнетателя с помощью указанного устройства, в зависимости от температуры устройства доочистки выхлопных газов и/или в зависимости от запрашиваемого крутящего момент� РОССИЙСКАЯ ФЕДЕРАЦИЯ (19) RU (51) МПК F02B 39/00 (11) (13) 2013 140 085 A (2006.01) ФЕДЕРАЛЬНАЯ СЛУЖБА ПО ИНТЕЛЛЕКТУАЛЬНОЙ СОБСТВЕННОСТИ (12) ЗАЯВКА НА ИЗОБРЕТЕНИЕ (21)(22) Заявка: 2013140085/06, 29.08.2013 (71) Заявитель(и): Форд Глобал Технолоджис, ЛЛК (US) Приоритет(ы): (30) Конвенционный приоритет: 29.08.2012 US 13/598,427 Адрес для переписки: 115035, Москва, ул. Балчуг, ...

Method and system for pre-ignition control

FIELD: internal combustion engines.SUBSTANCE: invention relates to methods and systems for addressing pre-ignition occurring in an engine operating with blow-though air delivery. Variable cam timing device used to provide positive intake to exhaust valve overlap is adjusted in response to an indication of pre-ignition to transiently reduce valve overlap. Pre-ignition mitigating load limiting and enrichment applied during a blow-through mode is adjusted differently from those applied when blow-through air is not being delivered.EFFECT: technical result is the prevention of pre-ignition.19 cl, 8 dwg РОССИЙСКАЯ ФЕДЕРАЦИЯ (19) RU (11) (51) МПК F01L 1/34 (2006.01) F01N 11/00 (2006.01) F01N 3/10 (2006.01) F02B 33/44 (2006.01) F02B 37/16 (2006.01) F02D 13/02 (2006.01) ФЕДЕРАЛЬНАЯ СЛУЖБА F02D 21/08 (2006.01) ПО ИНТЕЛЛЕКТУАЛЬНОЙ СОБСТВЕННОСТИ F02D 35/02 (2006.01) F02D 41/00 (2006.01) F02D 41/02 (2006.01) (12) (13) 2 669 433 C2 F02D 41/10 (2006.01) F02D 45/00 (2006.01) ОПИСАНИЕ ИЗОБРЕТЕНИЯ К ПАТЕНТУ (52) СПК (21)(22) Заявка: 2015101848, 21.01.2015 (24) Дата начала отсчета срока действия патента: Дата регистрации: 11.10.2018 Приоритет(ы): (30) Конвенционный приоритет: 23.01.2014 US 14/162,634 (43) Дата публикации заявки: 10.08.2016 Бюл. № 2 6 6 9 4 3 3 R U (56) Список документов, цитированных в отчете о поиске: SU 1760140 A1, 07.09.1992. RU (45) Опубликовано: 11.10.2018 Бюл. № 29 Адрес для переписки: 129090, Москва, ул. Б. Спасская, 25, строение 3, ООО "Юридическая фирма Городисский и Партнеры" 2191910 C2, 27.10.2002. US 6971360 B2, 06.12.2005. US 8061136 B2, 22.11.2011. JP 2007263082 A, 11.10.2007. (54) СПОСОБ И СИСТЕМА ДЛЯ УПРАВЛЕНИЯ ПРЕЖДЕВРЕМЕННЫМ ВОСПЛАМЕНЕНИЕМ (57) Реферат: Изобретение относится к способам и системам чтобы кратковременно уменьшать перекрытие для подавления преждевременного клапанов. Подавляющие преждевременное воспламенения в двигателе, работающем с воспламенение ограничение нагрузки и продувочным воздухом. Устройство обогащение, применяемые во время ...

METHOD AND SYSTEM FOR MANAGING PRESSURING PRESSURE

РОССИЙСКАЯ ФЕДЕРАЦИЯ (19) RU (11) (13) 2017 114 564 A (51) МПК F02D 23/00 (2006.01) ФЕДЕРАЛЬНАЯ СЛУЖБА ПО ИНТЕЛЛЕКТУАЛЬНОЙ СОБСТВЕННОСТИ (12) ЗАЯВКА НА ИЗОБРЕТЕНИЕ (21)(22) Заявка: 2017114564, 26.04.2017 (71) Заявитель(и): Форд Глобал Текнолоджиз, ЛЛК (US) Приоритет(ы): (30) Конвенционный приоритет: 20.05.2016 US 15/160,880 30 Адрес для переписки: 197101, Санкт-Петербург, а/я 128, "АРСПАТЕНТ", М.В. Хмара Стр.: 1 A 2 0 1 7 1 1 4 5 6 4 R U A (57) Формула изобретения 1. Способ для двигателя с наддувом, содержащий следующие шаги: в то время, пока компрессор, расположенный ниже по потоку, набирает обороты, ускоряют компрессор, расположенный выше по потоку, при закрытом обходном клапане, установленном в обходном канале параллельно первому компрессору, с целью подачи сжатого воздуха в поршневой двигатель; и в ответ на избыточное повышение давления наддува открывают указанный обходной клапан. 2. Способ по п. 1, в котором компрессор, расположенный ниже по потоку, больше, чем компрессор, расположенный выше по потоку. 3. Способ по п. 1, в котором открывание обходного клапана включает в себя кратковременное открывание обходного клапана из полностью закрытого положения, при этом как степень открывания обходного клапана, так и длительность открывания обходного клапана определяют на основании избыточного повышения давления наддува, имеющего место ниже по потоку от указанного компрессора, расположенного ниже по потоку, а указанное избыточное повышение давления наддува включает в себя превышение фактическим давлением наддува требуемого давления наддува, причем способ дополнительно содержит шаг, на котором поддерживают открытой дроссельную заслонку на впуске. 4. Способ по п. 3, в котором, когда фактическое давление наддува превосходит требуемое давление наддува, увеличивают один или более параметров из следующих: степень открывания обходного клапана и длительность открывания обходного клапана, причем обходной клапан закрывают, когда фактическое давление наддува находится на уровне ...

DIAGNOSTIC METHOD OF A CHARGED ENGINE AND THE RELATED ENGINE

РОССИЙСКАЯ ФЕДЕРАЦИЯ (19) RU (11) (13) 2015 129 571 A (51) МПК F02B 37/12 (2006.01) ФЕДЕРАЛЬНАЯ СЛУЖБА ПО ИНТЕЛЛЕКТУАЛЬНОЙ СОБСТВЕННОСТИ (12) ЗАЯВКА НА ИЗОБРЕТЕНИЕ (21)(22) Заявка: 2015129571, 12.12.2013 (71) Заявитель(и): РЕНО С.А.С. (FR) Приоритет(ы): (30) Конвенционный приоритет: 20.12.2012 FR 1262453 (85) Дата начала рассмотрения заявки PCT на национальной фазе: 20.07.2015 R U (43) Дата публикации заявки: 25.01.2017 Бюл. № 03 (72) Автор(ы): ПЕЙАР Жером (FR), АВОН Венсан-Пьер (FR) (86) Заявка PCT: (87) Публикация заявки PCT: WO 2014/095544 (26.06.2014) R U (54) СПОСОБ ДИАГНОСТИКИ ДВИГАТЕЛЯ С НАДДУВОМ И СООТВЕТСТВУЮЩИЙ ДВИГАТЕЛЬ (57) Формула изобретения 1. Способ диагностики двигателя (1) внутреннего сгорания с наддувом, оборудованного турбокомпрессором (2) фиксированной геометрии, содержащим компрессор (7), через который проходит воздух, поступающий во впускную систему двигателя (1), и турбину (19), которая связана во вращении с компрессором (7) через общий вал (23) и через которую проходят выхлопные газы двигателя (1) в выпускную систему двигателя (1), при этом указанный двигатель (1) связан: - с дроссельным клапаном (13) для изменения пропускного сечения воздуха, поступающего во впускную систему двигателя (1); и - с разгрузочным вентилем waste-gate (22), установленным параллельно с турбиной (19) в выпускной системе двигателя (1) для изменения количества выхлопных газов, проходящих через турбину (19), отличающийся тем, что содержит: - этап (100) вычисления первого временного интеграла (I1) измерения атмосферного давления (Patm) в течение времени (Т) вычисления; - этап (200) вычисления временного интеграла (I2) измерения давления наддува (Psural) в течение указанного времени (Т) вычисления; - этап (400) вычисления второго временного интеграла (I3) измерения атмосферного давления (Patm) в течение указанного времени (Т) вычисления; Стр.: 1 A 2 0 1 5 1 2 9 5 7 1 A Адрес для переписки: 109012, Москва, ул. Ильинка, 5/2, ООО "Союзпатент" 2 0 1 5 1 2 9 5 7 1 EP 2013/ ...

Diagnostic method (embodiments) and engine system

Изобретение может быть использовано в двигателях внутреннего сгорания с наддувом. Способ диагностики заключается в частичном открытии регулятора (163) давления наддува и регулировании рециркуляционного клапана (47) компрессора (162) в закрытое положение в ответ на диагностический запрос. Обеспечивают ступенчатое открытие рециркуляционного клапана (47) компрессора после закрытия рециркуляционного клапана (47) компрессора. Регулируют смещения величины расхода воздуха через рециркуляционный клапан (47) компрессора в ответ на изменение положения регулятора (163) давления наддува в течение ступенчатого открытия рециркуляционного клапана (47) компрессора из закрытого положения. Управляют рециркуляционным клапаном (47) компрессора в ответ на смещение величины расхода воздуха. Раскрыты вариант способа диагностики и система двигателя. Технический результат заключается в улучшении расхода воздуха двигателя на низких уровнях запрошенного водителем крутящего момента. 3 н. и 17 з.п. ф-лы, 4 ил. РОССИЙСКАЯ ФЕДЕРАЦИЯ (19) RU (51) МПК F02B 37/16 F02B 37/18 F02D 23/00 F02D 41/22 (11) (13) 2 709 242 C2 (2006.01) (2006.01) (2006.01) (2006.01) ФЕДЕРАЛЬНАЯ СЛУЖБА ПО ИНТЕЛЛЕКТУАЛЬНОЙ СОБСТВЕННОСТИ (12) ОПИСАНИЕ ИЗОБРЕТЕНИЯ К ПАТЕНТУ (52) СПК F02B 37/16 (2019.05); F02B 37/18 (2019.05); F02D 41/0007 (2019.05); F02D 41/221 (2019.05) (21)(22) Заявка: 2015152173, 07.12.2015 (24) Дата начала отсчета срока действия патента: Дата регистрации: (73) Патентообладатель(и): Форд Глобал Текнолоджиз, ЛЛК (US) 17.12.2019 10.12.2014 US 14/566,442 (43) Дата публикации заявки: 13.06.2017 Бюл. № 17 (56) Список документов, цитированных в отчете о поиске: US 2012/0210711 A1, 23.08.2012. RU 129174 U1, 20.06.2013. RU 145314 U1, 20.09.2014. US 4817387 A, 04.04.1989. US 4513571 A, 30.04.1985. (45) Опубликовано: 17.12.2019 Бюл. № 35 2 7 0 9 2 4 2 R U (54) СПОСОБ ДИАГНОСТИКИ (ВАРИАНТЫ) И СИСТЕМА ДВИГАТЕЛЯ (57) Реферат: Изобретение может быть использовано в в ответ на изменение положения регулятора (163) двигателях ...

Method and system (embodiments) of controlling temperature of device for generating pressurization of vehicle and vehicle comprising such system

FIELD: machine building.SUBSTANCE: method and system for controlling pressure device temperature for vehicle, wherein the method comprises: determining a temperature shift ΔT, which can be increased to a predetermined limit Tof the operating temperature of the supercharge pressure generating device, wherein temperature shift ΔΤ is a function of predetermined maximum temperature shift ΔTand dynamic conversion coefficient SF.EFFECT: invention discloses a method and a system for controlling temperature of a device for generating supercharging pressure of a vehicle and a vehicle comprising such a system.15 cl, 5 dwg РОССИЙСКАЯ ФЕДЕРАЦИЯ (19) RU (11) (13) 2 716 091 C9 (51) МПК F02B 39/16 (2006.01) F02D 23/00 (2006.01) F02D 41/00 (2006.01) ФЕДЕРАЛЬНАЯ СЛУЖБА ПО ИНТЕЛЛЕКТУАЛЬНОЙ СОБСТВЕННОСТИ (12) СКОРРЕКТИРОВАННОЕ ОПИСАНИЕ ИЗОБРЕТЕНИЯ К ПАТЕНТУ Примечание: библиография отражает состояние при переиздании (52) СПК F02B 39/16 (2018.08); F02D 23/00 (2018.08); F02D 41/0007 (2018.08) (21)(22) Заявка: 2014135923, 04.09.2014 04.09.2014 Приоритет(ы): (30) Конвенционный приоритет: R U (24) Дата начала отсчета срока действия патента: (72) Автор(ы): ДИКСОН Джон (GB), ОУКЛИ Аарон Джон (GB), АРЕВАЛО Андреш (GB) (73) Патентообладатель(и): Форд Глобал Текнолоджиз, ЛЛК (US) (43) Дата публикации заявки: 27.03.2016 Бюл. № 9 (45) Опубликовано: 06.03.2020 (56) Список документов, цитированных в отчете о поиске: US 20120240910 A1, 27.09.2012. US 20120204560 A1, 16.08.2012. SU 877099 A1, 30.10.1981. US 20020069011 A1, 06.06.2002. (15) Информация о коррекции: Версия коррекции №1 (W1 C2) (48) Коррекция опубликована: C 9 R U (54) СПОСОБ И СИСТЕМА (ВАРИАНТЫ) РЕГУЛИРОВАНИЯ ТЕМПЕРАТУРЫ УСТРОЙСТВА СОЗДАНИЯ ДАВЛЕНИЯ НАДДУВА ТРАНСПОРТНОГО СРЕДСТВА И ТРАНСПОРТНОЕ СРЕДСТВО, СОДЕРЖАЩЕЕ ТАКУЮ СИСТЕМУ (57) Реферат: Способ и система регулирования температуры рабочей температуры устройства создания устройства создания давления наддува для давления наддува, причем температурный сдвиг транспортного средства, при ...

METHOD AND DEVICE FOR DETERMINING PRESSURE AT THE INPUT OF A TURBOCHARGE TURBOCHARGE TURBOCHARGE OF A HEATING ENGINE

1. Способ определения давления (P) на входе турбины (2) турбокомпрессора (1) наддува теплового двигателя (4), характеризующийся тем, что турбокомпрессор (1) содержит турбину (2), приводимую в действие выхлопными газами (7), выходящими из указанного теплового двигателя (4) и механически соединенную во вращении с компрессором (3) для сжатия впускного воздуха (5), нагнетаемого в тепловой двигатель (4), причем давление (P) на входе турбины (2) определяют в зависимости от расхода (Q) впускного воздуха (5) в компрессоре (3), давления (P) на входе компрессора (3), температуры (T) на входе компрессора (3), давления (P) на выходе компрессора (3), температуры (T) на входе турбины (3) и давления (P) на выходе турбины (2), при этом способ содержит этапы, на которых:вычисляют скорректированный режим (N) турбокомпрессора (1) в зависимости от коэффициента сжатия (R) компрессора (3) и скорректированного расхода (Q) впускного воздуха (5), проходящего через компрессор (3),вычисляют режим (N) турбокомпрессора (1) в зависимости от скорректированного режима (N) турбокомпрессора (1) и температуры (T) на входе компрессора (3),вычисляют мощность (H) компрессора (3) в зависимости от расхода (Q) впускного воздуха (5) в компрессоре (3), производительности (η) компрессора (3), от температуры (T) на входе компрессора (3) и коэффициента сжатия (R) компрессора (3),вычисляют мощность (H) турбины (2) в зависимости от режима (N) турбокомпрессора (1) и мощности (H) компрессора (3),вычисляют коэффициент расширения (R) турбины (2),вычисляют давление (P) на входе турбины (2) в зависимости от давления (P) на выходе турбины (2) и коэффициента расширения (R) турбины (2).2. Способ по п.1, в котором скорректированный расход (Q) впускного возд� РОССИЙСКАЯ ФЕДЕРАЦИЯ (19) RU (51) МПК F02B 39/16 (11) (13) 2011 134 850 A (2006.01) ФЕДЕРАЛЬНАЯ СЛУЖБА ПО ИНТЕЛЛЕКТУАЛЬНОЙ СОБСТВЕННОСТИ (12) ЗАЯВКА НА ИЗОБРЕТЕНИЕ (21)(22) Заявка: 2011134850/06, 14.12.2009 (71) Заявитель(и): РЕНО САС (FR) Приоритет(ы): (30) ...

Control of a motor in an electric supercharger

본 발명의 전기 슈퍼차져에 사용되는 모터를 제어하기 위한 제어 시스템(1)은 입력변수캡 동작(7)을 포함하는 메모리 모듈(예를 들어, 풀로드 커브(full load curve); 및 모터의 속도를 실제 속도에서 목표속도로 변화시키기 위해 요구되는 입력변수(예를 들어, 토크)에 대한 입력변수캡(예를 들어, 토크 캡)을 도입하기 위한 입력변수캡 동작(7)을 적용하기 위해 배치된 처리기(processor);를 포함한다. 상기 입력변수캡 동작(7) 내의 입력변수캡은 모터의 속도 함수에 따라 변한다. 바람직하게는, 상기 입력변수캡 동작(7)은 복수의 다른 입력변수캡 동작(7)으로부터 선택되고, 각각은 모터에 의해 다른 전력 소비를 이루도록 설계되어 있다.

Method (versions) and system for prevention of surging

Изобретение может быть использовано в двигателях внутреннего сгорания. Способ для двигателя с наддувом. Объединяют один или более из таких параметров, как расход воздуха в коллекторе и давление в коллекторе, с давлением на впуске дросселя в совокупное давление на впуске. Корректируют рабочий параметр в ответ на помпаж компрессора. Помпаж компрессора определяют на основе совокупного давления на впуске и дополнительно на основе температуры на впуске. Раскрыты способ для двигателя с наддувом и система двигателя. Технический результат заключается в повышении точности определения помпажа компрессора. 3 н. и 17 з.п. ф-лы, 6 ил. РОССИЙСКАЯ ФЕДЕРАЦИЯ (19) RU (11) (13) 2 718 368 C2 (51) МПК F02B 39/16 (2006.01) F02B 37/16 (2006.01) F02D 23/00 (2006.01) ФЕДЕРАЛЬНАЯ СЛУЖБА ПО ИНТЕЛЛЕКТУАЛЬНОЙ СОБСТВЕННОСТИ (12) ОПИСАНИЕ ИЗОБРЕТЕНИЯ К ПАТЕНТУ (52) СПК F02B 37/16 (2020.01); F02B 39/16 (2020.01); F02D 41/0007 (2020.01); F02D 41/005 (2020.01); F02D 41/2406 (2020.01); F02D 41/26 (2020.01); F02M 35/10157 (2020.01); F02M 35/10222 (2020.01); F02M 35/1038 (2020.01); F02M 35/104 (2020.01); F04D 27/02 (2020.01); F04D 27/0253 (2020.01) (21)(22) Заявка: 2016135424, 31.08.2016 31.08.2016 Дата регистрации: (73) Патентообладатель(и): Форд Глобал Текнолоджиз, ЛЛК (US) Приоритет(ы): (30) Конвенционный приоритет: 14.09.2015 US 14/853,354 (43) Дата публикации заявки: 01.03.2018 Бюл. № 7 (56) Список документов, цитированных в отчете о поиске: US 6134888 A, 24.10.2000. US 6438484 B1, 20.08.2002. US 2014219820 A1, 07.08.2014. US 7177756 B2, 13.02.2007. RU 145314 U1, 20.09.2014. (54) СПОСОБ (ВАРИАНТЫ) И СИСТЕМА ДЛЯ ПРЕДОТВРАЩЕНИЯ ПОМПАЖА (57) Реферат: Изобретение может быть использовано в определяют на основе совокупного давления на двигателях внутреннего сгорания. Способ для впуске и дополнительно на основе температуры двигателя с наддувом. Объединяют один или на впуске. Раскрыты способ для двигателя с более из таких параметров, как расход воздуха в наддувом и система двигателя. Технический ...

Engine

엔진 (21) 에 있어서, 배기 바이패스 밸브 (V3) 는, 배기 매니폴드 (44) 의 출구와 과급기 (49) 의 배기 출구를 접속하는 배기 바이패스 유로 (18) 에 형성된다. 흡기 바이패스 밸브 (V2) 는, 흡기 매니폴드 (67) 의 입구와 과급기 (49) 의 입구를 접속하는 흡기 바이패스 유로 (17) 에 형성된다. 흡기압 센서 (39) 는, 흡기 매니폴드 (67) 의 압력을 검출한다. 엔진 제어 장치 (73) 는, 설정된 목표 압력에 흡기압 센서 (39) 의 검출 압력이 가까워지도록, 흡기 바이패스 밸브 (V2) 에 대해 밸브 개도의 지령값을 출력하여 피드백 제어한다. 엔진 제어 장치 (73) 는, 흡기 바이패스 밸브 (V2) 에 대해, 밸브 개도의 상한 또는 하한을 나타내는 지령값을 소정 시간 이상 계속해서 출력하고 있는 경우에, 배기 바이패스 밸브 (V3) 및 흡기 바이패스 밸브 (V2) 중 적어도 어느 것에 이상이 있다고 판정한다.

Method and device for determining the pressure upstream from the turbine of a supercharging turbocharger of a thermal engine

본 발명은 터빈(2) 및 콤프레서(3)를 포함하는 열 엔진(4)을 과급시키는 터보과급기(1)에서, 유입 공기 유동(Q c ), 콤프레서(3) 상류측의 압력(P uc ), 콤프레서(3) 상류측의 온도(T uc ), 콤프레서 하류측의 압력(P dc ), 터빈 상류측의 온도(T ut ) 및, 터빈(2) 하류측의 압력(P dt )에 기초하여 터빈(2) 상류측의 압력(P ut )을 판단하는 방법에 관한 것이다.

Patent RU2015101848A3

`”ВУ“” 2015101848°” АЗ Дата публикации: 02.08.2018 Форма № 18 ИЗПМ-2011 Федеральная служба по интеллектуальной собственности Федеральное государственное бюджетное учреждение 5 «Федеральный институт промышленной собственности» (ФИПС) ОТЧЕТ О ПОИСКЕ 1. . ИДЕНТИФИКАЦИЯ ЗАЯВКИ Регистрационный номер Дата подачи 2015101848/06(002751) 21.01.2015 Приоритет установлен по дате: [ ] подачи заявки [ ] поступления дополнительных материалов от к ранее поданной заявке № [ ] приоритета по первоначальной заявке № из которой данная заявка выделена [ ] подачи первоначальной заявки № из которой данная заявка выделена [ ] подачи ранее поданной заявки № [Х] подачи первой(ых) заявки(ок) в государстве-участнике Парижской конвенции (31) Номер первой(ых) заявки(ок) (32) Дата подачи первой(ых) заявки(ок) (33) Код страны 1. 14/162,634 23.01.2014 05 Название изобретения (полезной модели): [Х] - как заявлено; [ ] - уточненное (см. Примечания) СПОСОБ И СИСТЕМА ДЛЯ УПРАВЛЕНИЯ ПРЕЖДЕВРЕМЕННЫМ ВОСПЛАМЕНЕНИЕМ Заявитель: ФОРД ГЛОУБАЛ ТЕКНОЛОДЖИЗ, ЭлЭлСи, ЦЗ 2. ЕДИНСТВО ИЗОБРЕТЕНИЯ [Х] соблюдено [ ] не соблюдено. Пояснения: см. Примечания 3. ФОРМУЛА ИЗОБРЕТЕНИЯ: [Х] приняты во внимание все пункты (см. Примечания) [ ] приняты во внимание следующие пункты: [ ] принята во внимание измененная формула изобретения (см. Примечания) 4. КЛАССИФИКАЦИЯ ОБЪЕКТА ИЗОБРЕТЕНИЯ (ПОЛЕЗНОЙ МОДЕЛИ) (Указываются индексы МПК и индикатор текущей версии) ЕОТГ. 1/34 (2006.01) Е02В 37/16 (2006.01) Е020 41/00 (2006.01) ЕО1М 11/00 (2006.01) Е02р0 13/02 (2006.01) Е02р 41/02 (2006.01) ЕО1М 3/10 (2006.01) Е020 21/08 (2006.01) Е02р 41/10 (2006.01) Е02В 33/44 (2006.01) Е020 35/02 (2006.01) Е020 45/00 (2006.01) 5. ОБЛАСТЬ ПОИСКА 5.1 Проверенный минимум документации РСТ (указывается индексами МПК) ВОТ. 1/00-35/00; НОТМ 1/00-13/00; ВО2В 1/00-79/00; 802) 1/00-45/00 5.2 Другая проверенная документация в той мере, в какой она включена в поисковые подборки: 5.3 Электронные базы данных, использованные при поиске (название базы, и если, ...

Engine

在发动机(21)中，排气旁通阀(V3)设置于将排气歧管(44)的出口与增压器(49)的排气出口连接的排气旁通流路(18)。进气旁通阀(V2)设置于将进气歧管(67)的入口与增压器(49)的入口连接的进气旁通流路(17)。进气压力传感器(39)对进气歧管(67)的压力进行检测。发动机控制装置(73)对进气旁通阀(V2)输出阀开度的指令值而进行反馈控制，以使得进气压力传感器(39)的检测压力接近所设定的目标压力。当对进气旁通阀(V2)以规定时间以上的时间持续输出了表示阀开度的上限或下限的指令值时，发动机控制装置(73)判断为排气旁通阀(V3)以及进气旁通阀(V2)中的至少任一方发生异常。

The control device and control method of internal combustion engine

本发明提供一种内燃机的控制装置及控制方法，控制装置具备：增压器控制部；取得部，反复取得进气冷却系统中的冷却液的温度；及判定部，判定由取得部取得的温度是否为增压抑制控制开始温度以上。以冷却液的温度上升至判定部判定为由取得部取得的温度为增压抑制控制开始温度以上为条件，增压器控制部开始使增压压力下降的增压抑制控制。在增压抑制控制中，由取得部取得的温度越接近沸点，则增压器控制部越提高增压的抑制程度。

The control device of pressure charging system

在用于向发动机(6)供给压缩的进气的增压系统的控制装置(10)中，控制装置具有：发动机控制器(10A)，其具有：发动机信号输入部(10A1)，以及控制发动机的运转状态并且计算增压器(4)的目标增压的发动机控制部(10A2)；涡轮控制器(10B)，其具有涡轮信号输入部(10B1)，以及计算增压器的余量的涡轮控制部(10B2)，控制装置根据由涡轮控制部计算的余量的大小修正目标增压，来计算目标增压修正值，控制增压控制机构(12)，以使得增压器的增压成为该目标增压修正值。

Method and system for improving compressor recirculation valve operation

本文介绍了改进包括压缩机的发动机的压缩机再循环气门操作的系统和方法。所述系统和方法在压缩机再循环气门以闭环模式操作时调整废气门的位置，以便在诊断模式期间维持发动机进气歧管节气门入口压力，从而调适压缩机再循环气门的操作。

METHOD (OPTIONS) AND SYSTEM FOR IMPROVING THE OPERATION OF THE COMPRESSOR RECIRCULATION VALVE

РОССИЙСКАЯ ФЕДЕРАЦИЯ (19) RU (11) (13) 2015 152 177 A (51) МПК F02D 23/00 (2006.01) ФЕДЕРАЛЬНАЯ СЛУЖБА ПО ИНТЕЛЛЕКТУАЛЬНОЙ СОБСТВЕННОСТИ (12) ЗАЯВКА НА ИЗОБРЕТЕНИЕ (21)(22) Заявка: 2015152177, 07.12.2015 (71) Заявитель(и): Форд Глобал Текнолоджиз, ЛЛК (US) Приоритет(ы): (30) Конвенционный приоритет: 10.12.2014 US 14/566,488 Адрес для переписки: 197101, Санкт-Петербург, а/я 128, "АРСПАТЕНТ", М.В. Хмара Стр.: 1 A 2 0 1 5 1 5 2 1 7 7 R U A (57) Формула изобретения 1. Способ диагностики, содержащий: по меньшей мере частичное открытие регулятора давления наддува и регулирование рециркуляционного клапана компрессора в закрытое положение в ответ на диагностический запрос; по меньшей мере частичное закрытие регулятора давления наддува после по меньшей мере частичного открытия регулятора давления наддува; регулирование величины смещения расхода воздуха через рециркуляционный клапан компрессора в ответ на регулирование положения рециркуляционного клапана компрессора для поддержания давления на впуске центрального дросселя в ответ на по меньшей мере частичное закрытие регулятора давления наддува; и управление рециркуляционным клапаном компрессора в соответствии с величиной смещения расхода воздуха. 2. Способ по п. 1, отличающийся тем, что диагностический запрос - это запрос на регулирование величины смещения расхода воздуха рециркуляционного клапана компрессора. 3. Способ по п. 1, дополнительно содержащий регулирование положения центрального дросселя для поддержания в значительной степени постоянного расхода воздуха двигателя. 4. Способ по п. 1, отличающийся тем, что рециркуляционным клапаном компрессора управляют в режиме с обратной связью, причем положение рециркуляционного клапана компрессора регулируют в соответствии с давлением на впуске центрального дросселя. 5. Способ по п. 4, отличающийся тем, что рециркуляционный клапан компрессора по меньшей мере частично открывают в ответ на по меньшей мере частичное закрытие регулятора давления наддува. 6. Способ по п. 1, ...

Method for controlling compressor and engine system therefor

FIELD: engines. SUBSTANCE: invention can be used in internal combustion engines with supercharging. A method of controlling operation of compressor (22) intended to supply charge air to engine (10), lies in the fact that changing the maximum output temperature of compressor (22) is based on the dependence of the output temperature of compressor (22) of compressor running time (22). Monitor the operation of compressor (22) so that the outlet temperature of compressor (22) does not exceed the maximum permissible value. Disclosed is a system for a supercharged engine. EFFECT: technical result is to prevent coking inside the compressor. 15 cl, 4 dwg, 2 tbl РОССИЙСКАЯ ФЕДЕРАЦИЯ (19) RU (11) (13) 2 583 474 C2 (51) МПК F02B 37/16 (2006.01) F02D 23/00 (2006.01) F02D 41/00 (2006.01) ФЕДЕРАЛЬНАЯ СЛУЖБА ПО ИНТЕЛЛЕКТУАЛЬНОЙ СОБСТВЕННОСТИ (12) ОПИСАНИЕ (21)(22) Заявка: ИЗОБРЕТЕНИЯ К ПАТЕНТУ 2012104736/06, 10.02.2012 (24) Дата начала отсчета срока действия патента: 10.02.2012 (72) Автор(ы): ДИКСОН Джон (GB) (73) Патентообладатель(и): Форд Глобал Технолоджис, ЛЛК (US) Приоритет(ы): (30) Конвенционный приоритет: (43) Дата публикации заявки: 20.08.2013 Бюл. № 23 R U 10.02.2011 GB 1102342.1 (45) Опубликовано: 10.05.2016 Бюл. № 13 2 5 8 3 4 7 4 R U (54) СПОСОБ КОНТРОЛЯ РАБОТЫ КОМПРЕССОРА И СИСТЕМА ДВИГАТЕЛЯ ДЛЯ ЕГО ОСУЩЕСТВЛЕНИЯ (57) Реферат: Изобретение может быть использовано в компрессора (22). Контролируют работу двигателях внутреннего сгорания с наддувом. компрессора (22) таким образом, чтобы выходная Способ управления работой компрессора (22), температура компрессора (22) не превышала выполненного с возможностью подачи максимально допустимое значение. Раскрыта надувочного воздуха в двигатель (10), система двигателя с наддувом. Технический заключается в том, что изменяют максимально результат заключается в предотвращении допустимую выходную температуру компрессора коксования компрессора. 2 н. и 13 з.п. ф-лы, 4 ил., (22) на основании зависимости выходной 2 табл. температуры ...

Intake controller of internal combustion engine

本发明涉及一种设置在柴油机上的进气控制装置，据此，气门控制器的控制部判断为在柴油机的运转状态从处于高速区域且高负荷区域的状态急减速时，使旁路通路的旁路阀门全开。由此，能够从压缩机的出口通道侧将进气输送到排气涡轮的入口通道，从而能够迅速降低由于惯性而高速旋转的排气涡轮增压机(20)的旋转速度。因此，在作用点移动途中不会进入喘振领域，从而能够可靠避免喘振。

Method and system for improving starting of a turbocharged engine

本发明公开一种用于改善发动机排放的系统和方法。在一个例子中，通过在发动机排气后处理装置的温度低于阈值温度时增加涡轮增压器的旋转阻力可以改善发动机排放。该系统和方法可以减少用于后处理装置达到工作温度的时间量。

A method and device for controlling the speed of rotation of a turbosupercharger in an internal-combustion engine

A method and device for controlling the speed of rotation of a turbosupercharger in an internal-combustion engine

Method and device for speed control of a turbocharger of an internal combustion engine

METHOD AND A DEVICE FOR CONTROLLING THE ROTATION SPEED OF A TURBO-SUPERLOADER IN AN INTERNAL COMBUSTION ENGINE.

Un método (1) para controlar la velocidad de rotación de un turbosupercargador (7) en un motor de combustión interna (2) de un vehículo de motor incluyendo: un compresor (9), una turbina (8) para mover el compresor (9) en rotación bajo la acción de los gases de escape del motor (2); y una válvula de compuerta de descarga (12) para regular la tasa de flujo de los gases de escape dispuesta en la entrada a la turbina (8) para controlar la velocidad de rotación de la turbina (8) propiamente dicha como una función de una presión de supercarga objetiva (POB) que indica el valor de la presión de supercarga que, en base a un mapa objetivo del motor y de un conjunto de parámetros de motor, se requiere en salida de dicho compresor (9); caracterizándose dicho método porque incluye los pasos de: - establecer una velocidad de rotación límite (Ntc) del turbosupercargador (7); y durante el control de la velocidad de rotación de la turbina (8) realizado a través de dicha válvula de compuerta de descarga (12), implementar los pasos siguientes: - medir la presión (PAMB) del aire introducido en la entrada por el compresor (9); - determinar la tasa de flujo másico (QAH) del compresor (9); - calcular, a través de un mapa predeterminado (15a) que caracteriza la operación del compresor (9) y como una función de la velocidad de rotación límite preestablecida (Ntc), de la presión medida del aire (PAMB), y de la tasa de flujo másico (QAH), una presión de supercarga límite (SP1), que se correlaciona con la presión de aire obtenible en salida del compresor (9) cuando la turbina (8) gira a una velocidad sustancialmente igual a dicha velocidad límite preestablecida (Ntc); - verificar si la presión de supercarga objetiva requerida (POB) cumple una relación preestablecida con dicha presión de supercarga límite calculada (SP1); cumpliéndose dicha relación preestablecida cuando dicha presión objetiva (POB) requerida es más alta que dicha presión de supercarga límite (SP1); - en el caso en que se ...

Method and device for controlling the speed of rotation of a turbosupercharger in an internal-combustion engine

Device for controlling the speed of a turbosupercharger in an internal-combustion engine comprising: a compressor, a turbine, a wastegate valve; the control device comprising: a calculating unit, which receives at input a set of parameters comprising a pre-set limit speed of rotation of the turbosupercharger, the air pressure measured at input to the compressor, and the mass flow rate of the compressor, and is designed to process the parameters for determining, through a predetermined map that characterizes operation of the compressor, a limit supercharging pressure correlated to the air pressure obtainable at output from the compressor in a condition of rotation of the turbine at a speed substantially equal to the preset limit speed of rotation; a comparison unit designed to verify whether a required objective supercharging pressure satisfies a preset relation with the calculated limit supercharging pressure; and a driving unit, which, in the case where the preset relation is satisfied, is designed to govern the wastegate valve for controlling the speed of the turbine as a function of the limit supercharging pressure so as to limit the speed of rotation of the turbosupercharger to a value substantially equal to the limit speed of rotation.

method and device for controlling the turbo supercharger rotation speed in an internal combustion engine

"método e dispositivo de controle da velocidade de rotação de supercarregador turbo em motor a combustão interna". dispositivo (10) de controle da velocidade de supercarregador turbo (7) em motor a combustão interna que compreende: um compressor (9); uma turbina (8) para dirigir o compressor (9) em rotação sob a ação dos gases de exaustão do motor (2); e uma válvula de portão de resíduos (12) para regular a velocidade de fluxo dos gases de exaustão na entrada para a turbina (8) de forma a controlar a sua velocidade de rotação; em que o dispositivo de controle (10) compreende: uma unidade de cálculo (15), que recebe na entrada um conjunto de parâmetros que compreende velocidade limite previamente definida (n~ tc~) do supercarregador turbo (7), a pressão do ar (p~ amb~) medida na entrada para o compressor (7) e a velocidade de fluxo de massa (q~ ah~) do mencionado compressor (9) e é projetada para processar os mencionados parâmetros para determinar, por meio de mapa previamente determinado (15a) que caracteriza a operação do compressor (9), pressão limite de supercarregamento (s~ p1~) correlacionada à pressão de ar que pode ser obtida na saída do compressor (9) em condição de rotação da turbina (8) em velocidade substancialmente igual à velocidade limite máxima previamente definida (n~ tc~); uma unidade de comparação (16) projetada para verificar se pressão de supercarregamento objetiva necessária (p~ ob~) satisfaz relação previamente definida com a pressão limite de supercarregamento calculada (s~ p1~); e uma unidade de direcionamento (17) que, caso a relação previamente definida seja satisfeita, é projetada para reger a válvula de portão de resíduos (12) para controlar a velocidade da turbina (8) em função da pressão limite de supercarregamento (s~ p1~), de forma a limitar a velocidade de rotação do supercarregador turbo (7) a um valor substancialmente igual à velocidade limite de rotação (n~ tc~). "method and device for controlling the speed of turbo ...

Method for controlling the speed of an internal combustion engine supercharged by means of a turbocharger

A method for controlling an internal combustion engine (1) supercharged by means of a turbocharger (12) provided with a turbine (13) and a compressor (14); the control method comprises the steps of establishing a predetermined limit speed of the turbocharger (12); calculating a reduced lower limit speed of the turbocharger (12) and a reduced higher limit speed of the turbocharger (12) which are variable depending on the predetermined limit speed of the turbocharger (12) and on the absolute temperature (To) upstream of the compressor (14); determining an overspeed interval of the turbocharger (12) comprised between the reduced lower limit speed and the reduced higher limit speed of the turbocharger (12); calculating a current reduced limit speed; and controlling the turbocharger (12) to bring the reduced limit speed to a value lower than the reduced lower limit speed every time a value of a current reduced limit speed comprised within the overspeed interval is detected.

A method for controlling the speed of an internal combustion engine supercharged by means of a turbocharger

A method for controlling an internal combustion engine (1) supercharged by means of a turbocharger (12) provided with a turbine (13) and with a compressor (14); the control method includes the steps of determining a pressure objective downstream of the compressor (14); determining a critical threshold (M critica ) of the reduced mass flow rate (Q AHR ), said critical threshold (M critica ) delimiting, on a reduced mass flow rate/compression ratio plane, a critical area close to the achievement of sonic conditions; and filtering, by means of a first filter, the pressure objective downstream of the compressor (14) when the current reduced mass flow rate (Q AHR ) is higher than the critical threshold (M critica ).

Control apparatus for internal combustion engine with supercharger and method for controlling the internal combustion engine

To provide a control apparatus for an internal combustion engine with a supercharger capable of reducing the exhaust pressure of an exhaust path to a predetermined upper limit or less without loss of the responsivity and traceability of the supercharging pressure control system controlling the supercharging pressure in the internal combustion engine with a supercharger. The control apparatus includes a supercharging pressure control unit (110) controlling the supercharging pressure for supercharging an engine (2) with air by changing, within a predetermined opening range, the opening degrees of exhaust flow rate regulating valves (321a, 321b, and 322a) adjusting the flow rate of exhaust gas flowing through the exhaust path of the engine (2), an engine speed determination unit (120) determining whether an engine speed increasing rate at which the engine speed of the engine (2) increases is less than a threshold, and a closing direction limit value changing unit (160) causing the supercharging pressure control unit (110) to control the supercharging pressure by changing a closing direction limit value within the predetermined opening range in an opening direction when the engine speed increasing rate is not less than the threshold.

System that limits turbo speed by controlling fueling

A turbocharger control system is disclosed. The control system may have an engine and a fuel system configured to regulate fuel flow into the engine. The control system may further have an air induction system configured to regulate air flow into the engine and a sensor situated to sense a speed value of the air induction system. The controller may also have a controller configured to receive the speed value and regulate fuel flow into the engine as a function of the speed value.

METHOD AND APPARATUS FOR DETERMINING THE PRESSURE BEFORE A TURBINE OF A TURBOCHARGER OF A THERMAL MOTOR.

Compressor map based driven turbocharger control system

An engine system and method utilizing a compressor map to control compressor speed of a driven turbocharger in the engine system is provided. A desired compressor speed is determined that corresponds to a boost pressure and to a mass flow rate of intake from the compressor map. The transmission of the driven turbocharger is shifted to a ratio that drives the compressor to a desired speed to provide the desired boost pressure and air flow to the engine system.

Control device for internal combustion engine

【課題】ターボチャージャのタービンの過回転の発生及び制御ハンチングの発生を抑制する。 【解決手段】内燃機関の制御装置においては、目標コンプレッサ前後圧力比演算部１２６で演算した目標コンプレッサ前後圧力比が、タービン限界時コンプレッサ前後圧力比演算部１２２で演算したタービン限界時コンプレッサ前後圧力比を超える場合に、目標コンプレッサ前後圧力比をタービン限界時コンプレッサ前後圧力比で上限制限すると共に、上限制限処理開始後の変化率制限期間は、目標コンプレッサ前後圧力比の変化率を変化率制限値で制限することで、コンプレッサ通過流量の急変動によって目標コンプレッサ前後圧力比が急変動することを防止し、タービンの過回転の発生および制御ハンチングの発生を抑える。 【選択図】図３ Generation of excessive rotation of a turbine of a turbocharger and occurrence of control hunting are suppressed. In a control device for an internal combustion engine, a target compressor front-rear pressure ratio calculated by a target compressor front-rear pressure ratio calculator 126 is a turbine limit compressor front-rear pressure ratio calculated by a turbine limit compressor front-rear pressure ratio calculator 122. The upper limit of the target compressor front-rear pressure ratio is limited by the compressor front-rear pressure ratio at the time of the turbine limit. By limiting, the target compressor front-rear pressure ratio is prevented from suddenly fluctuating due to sudden fluctuation of the compressor passage flow rate, and the occurrence of turbine overspeed and control hunting is suppressed. [Selection] Figure 3

Method for regulating and limiting a speed of a turbocharger

Die Erfindung betrifft ein Verfahren zur Regelung einer Drehzahl eines Turboladers (100), der in Wirkverbindung mit einem Verdichter (101) steht, umfassend folgende Schritte:1) Bereitstellen eines Sollwertes (Nsoll) für die Drehzahl (N) des Turboladers (100) auf Basis einer modelbasierten Vorsteuerung (Mp) für eine Berechnung eines Sollladedrucks (Psoll) vor dem Turbolader (100),2) Bestimmen eines Istwerts (Nist) für die Drehzahl (N) des Turboladers (100),3) Ansteuern eines Stellglieds (S) des Turboladers (100), um den Unterschied zwischen dem Sollwert (Nsoll) und dem Istwert (Nist) für die Drehzahl (N) des Turboladers (100) auszugleichen. The invention relates to a method for regulating a speed of a turbocharger (100) which is in operative connection with a compressor (101), comprising the following steps: 1) Providing a setpoint (Nsoll) for the speed (N) of the turbocharger (100) Basis of a model-based pre-control (Mp) for a calculation of a target boost pressure (Psoll) upstream of the turbocharger (100), 2) determining an actual value (Nist) for the speed (N) of the turbocharger (100), 3) controlling an actuator (S) of the turbocharger (100) in order to compensate for the difference between the target value (Nsoll) and the actual value (Nist) for the speed (N) of the turbocharger (100).

System and method for protecting a turbocharger in the event of a wastegate failure

An engine control system for protecting a turbocharger of an internal combustion engine from an overspeed condition occurring as a result of a failure of the turbocharger wastegate device. In one embodiment of the invention, sensors provide signals for engine speed, ambient pressure and boost pressure between the turbocharger and the engine intake. Correction factors are added to the boost pressure and ambient pressure signals, and a turbocharger pressure ratio is calculated from these signals. A reduced fueling table maps turbocharger pressure ratio and engine speed to reduced fueling signal values. An engine control computer utilizes a nominal fueling table that maps engine speed and boost pressure to nominal fueling signal values. The control computer also includes a decision module that selects the lesser of the nominal fueling signal values and the reduced fueling signal values and provides the selected value to the engine fueling system. In the event of a wastegate failure, the turbocharger wheelspeed will increase, followed by an increase in boost pressure. However, not all boost pressure increases are detrimental to the turbocharger (i.e., lead to excessive speed), so the present invention evaluates the turbocharger pressure ratio to determine when an excessive speed condition exists. If such a condition exists, the engine control computer selects the lesser fueling signal value from the reduced fueling table to decrease fueling to the engine, and ultimately to decrease the engine speed and load. The decreased engine speed and load reduces the exhaust gas mass flow rate, which reduces the turbocharger rotational speed to an acceptable level.

Method for controlling the speed of an internal combustion engine supercharged by means of a turbocharger

A method controls a supercharged internal-combustion engine and comprises steps of: establishing predetermined lower-limit and higher-limit speeds (PLLS, PHLS) of a turbocharger; calculating a reduced lower-limit speed (RLLS) according to the PLLS and an absolute temperature upstream of a compressor; calculating a reduced higher-limit speed (RHLS), according to the PHLS and temperature, higher than the RLLS; determining an “over-speed” interval (OSI) between the RRLS and RHLS; calculating a current reduced-limit speed (CRLS); controlling the turbocharger to bring the CRLS back to no greater than the RLLS every time the CRLS is detected and within the OSI; establishing in a preliminary adjustment and set-up phase a threshold value; and controlling the turbocharger to bring the CRLS back to no greater than the RLLS after a time interval, which is equal to the threshold value, has elapsed from a moment in which the CRLS is detected and within the OSI.

Method for controlling the speed of an internal combustion engine supercharged by means of a turbocharger

A method controls an internal-combustion engine ( 1 ) supercharged by a turbocharger ( 12 ) and including a turbine ( 13 ) and compressor ( 14 ). The control method comprises steps of determining a current reduced-mass-flow rate (QAHR) of the compressor ( 14 ), determining a safety threshold (Mmax_turbo) of the reduced-mass-flow rate (QAHR) that delimits in a “reduced-mass-flow rate/compression ratio” plane an area substantially close to achievement of sonic conditions, and imposing that the reduced-mass-flow rate (QAHR) has to be lower than a safety threshold (Mmax_turbo) of the reduced-mass-flow rate (QAHR).

Method for controlling the speed of an internal combustion engine supercharged by means of a turbocharger

A method for controlling an internal combustion engine (1) supercharged by means of a turbocharger (12) provided with a turbine (13) and a compressor (14); the control method comprises the steps of determining the current reduced mass flow rate (Q AHR ) of the compressor 14; determining a safety threshold (M max_turbo ) of the reduced mass flow rate (Q AHR ), said safety threshold (M max_turbo ) delimits in the plane reduced mass flow rate / compression ratio the portion of the critical area closest to achieve sonic conditions; and imposing that the reduced mass flow rate (Q AH ) of the compressor 14 is lower than the safety threshold (M max_turbo ) of the reduced mass flow rate (Q AHR ).

Internal combustion engine control apparatus

An internal combustion engine control apparatus includes a turbocharger (21), an intake air quantity detecting section, an intake air pressure detecting section, a turbine rotational speed limit determining section and a turbine control section. The turbine rotational speed limit determining section determines a turbine rotational speed limit pressure ratio (Pratio_Comp_limit) between the upstream-side intake air pressure (P_in_Comp) and a downstream-side intake air pressure (P_out_Comp) in the air intake passage (3) at a downstream side of the compressor (23) for a turbine rotational speed limit that corresponds to the intake air quantity (Gair) detected by the intake air quantity detecting section. The turbine rotational speed limit determining section further calculates a turbine over rotation suppressing boost pressure (P_out_Comp_limit) of the turbine compressor (23) using the upstream-side intake air pressure (P_in_Comp) and the turbine rotational speed limit pressure ratio (Pratio_Comp_limit). The turbine control section controls the turbocharger (21) based on the turbine over rotation suppressing boost pressure (P_out_Comp_limit).

Internal combustion engine control apparatus

本发明公开一种内燃机控制装置，其包括：涡轮增压器、进气量检测部分、进气压力检测部分、涡轮极限转速确定部分和涡轮控制部分。所述涡轮极限转速确定部分为与由所述进气量检测部分检测到的进气量对应的涡轮极限转速确定涡轮极限转速增压比，所述涡轮极限转速增压比是所述上游侧进气压力与所述压气机下游侧的所述进气通道内的下游侧进气压力之比，所述涡轮极限转速确定部分还利用所述上游侧进气压力和所述涡轮极限转速增压比来计算所述涡轮增压器的防止涡轮过度旋转的增压压力。所述涡轮控制部分基于所述防止涡轮过度旋转的增压压力控制所述涡轮增压器。

Internal combustion engine control apparatus

An internal combustion engine control apparatus includes a turbocharger, an intake air quantity detecting section, an intake air pressure detecting section, a turbine rotational speed limit determining section and a turbine control section. The turbine rotational speed limit determining section determines a turbine rotational speed limit pressure ratio between the upstream-side intake air pressure and a downstream-side intake air pressure in the air intake passage at a downstream side of the compressor for a turbine rotational speed limit that corresponds to the intake air quantity detected by the intake air quantity detecting section. The turbine rotational speed limit determining section further calculates a turbine over rotation suppressing boost pressure of the turbine compressor using the upstream-side intake air pressure and the turbine rotational speed limit pressure ratio. The turbine control section controls the turbocharger based on the turbine over rotation suppressing boost pressure.