Class / Patent application number | Description | Number of patent applications / Date published |
060603000 | With coordinated fuel control means for engine | 27 |
20090031723 | 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. | 02-05-2009 |
20090038309 | Supercharging device - A supercharging device, especially for supercharging internal combustion engines, having a first supercharging device and an additional supercharging device, which each have one compressor part and each have one turbine part, and a supercharging pressure prevails in an intake manifold on the intake side of the internal combustion engine, and an exhaust gas counterpressure prevails in an exhaust gas manifold, on the outlet side of the internal combustion engine. A switching element is provided, in the intake tract of the internal combustion engine, between the compressor part of the first supercharging device and the compressor part of the additional supercharging device, using which, switching over is performed from the series connection of the compressor parts to the parallel connection of the compressor parts and vice versa. | 02-12-2009 |
20090071149 | Internal combustion engine - A method of operating a stationary internal combustion machine comprising a compressor device of variable compressor geometry which compresses gas fed to the internal combustion machine, and a throttle device which is connected downstream of the compressor device and with which the amount of compressed gas fed to the internal combustion machine is variable, wherein the internal combustion machine is regulated by way of the actuation of at least two adjusting members, wherein the internal combustion machine is regulated to a—preferably substantially constant—engine regulating value, and upon a deviation in the engine regulating value from a reference value the amount of gas fed to the internal combustion machine is altered by the actuation of the throttle device as the first adjusting member and by the variation in the geometry of the compressor device as the second adjusting member so that the engine regulating value is re-set to the reference value. | 03-19-2009 |
20110041493 | METHODS AND SYSTEMS FOR TURBOCHARGER CONTROL - Methods are provided for controlling a turbocharged engine having a throttle and a turbocharger. One example method comprises, moving the throttle during boosted conditions, separating out effects on the throttle inlet pressure into a first portion corresponding to disturbances caused by the movement of the throttle, and a second, remaining, portion. The method further comprises adjusting the turbocharger based on the second portion and not the first portion. | 02-24-2011 |
20110083432 | Internal combustion engine and supercharger - A diesel or diesel-like internal combustion engine drivably connected to a variable internal compression ratio supercharger that supplies varying amounts of air to the engine responsive to the load requirements of the engine. The supercharger has a pair of rotors concurrently driven by the engine to move air to the engine. A slide assembly associated with screw rotors is movable with a controller relative to the rotors to bypass air to atmosphere and regulate the amount of air and pressure of the air compressed by the screw rotors to the engine to increase the engine's efficiency. | 04-14-2011 |
20110138806 | Engine | 06-16-2011 |
20110146270 | TECHNIQUES FOR OPTIMIZING ENGINE OPERATIONS DURING AFTERTREATMENT REGENERATION - A system is described for producing an elevated exhaust temperature and reduced NO | 06-23-2011 |
20120137677 | INTERNAL COMBUSTION ENGINE WITH TURBOCHARGER - An internal combustion engine with a turbocharger that can favorably prevent an exhaust gas purifying catalyst from being clogged with a manganese oxide contained in an exhaust gas is provided. | 06-07-2012 |
20130104540 | ENGINE CONTROL DEVICE AND CONTROL METHOD | 05-02-2013 |
20130219881 | CONTROL APPARATUS FOR INTERNAL COMBUSTION ENGINE - A control apparatus for an internal combustion engine is provided that is capable of calculating a high-accuracy turbine rotational speed. A turbo supercharger which includes, in an exhaust passage, a turbine that is operated by exhaust energy of the internal combustion engine. A turbine rotational speed model which calculates a turbine rotational speed. The turbine rotational speed is corrected by an exhaust energy correction part equipped with the turbine rotational speed model. | 08-29-2013 |
20130283782 | METHOD FOR DIAGNOSING AN ENGINE - A method for operating an engine in response to a waste gate position is presented. In one example, the method adjusts an actuator to reduce the possibility of misfire in an engine cylinder in response to waste gate position. In this way, it may be possible to adjust engine operation for varying engine operating conditions. | 10-31-2013 |
20130283783 | CONTROL APPARATUS FOR INTERNAL COMBUSTION ENGINE - An object of this invention is to accurately determine deterioration of a catalyst and enhance reliability in an internal combustion engine with a turbo also. An engine | 10-31-2013 |
20130305714 | BOOST AIR MANAGEMENT FOR IMPROVED ENGINE PERFORMANCE - Methods and systems are provided for reducing turbo lag in a boosted engine. A boost reservoir coupled to the engine may be charged with compressed intake air and/or combusted exhaust gas. The pressurized charge may then be discharged during a tip-in to either the intake or the exhaust manifold. | 11-21-2013 |
20140250884 | CONTROL DEVICE FOR INTERNAL COMBUSTION ENGINE - A control device of the invention is applied to an engine including a supercharger and a mechanism to allow area of an opening of a passage space to be variable, which space is to pass through exhaust gas guided to the supercharger. The control device changes the above area and a fuel supply amount to a combustion chamber based on a first degree of change in torque and a second degree of change in torque. The first degree is due to a change in an intake air amount to the combustion chamber to be occurred along with the change in the above area, and the second degree is due to a change in pressure of the exhaust gas to be occurred along with the change in the above area. | 09-11-2014 |
20140373530 | MULTI-FUEL ENGINE - Engine includes an air induction sub-system for delivery of air to each cylinder. A lowpressure fuel injector injects a low reactivity fuel into the sub-system. An exhaust gas recirculation line connects exhaust gas purged from the cylinders back to the sub-system. An exhaust gas cooler cools recirculated gas in the exhaust gas recirculation line. The quantity of exhaust gas recirculated is controlled and the recirculated gas provides dilution and temperature control of the charge to suppress auto-ignition of the charge in the cylinder. A high pressure fuel injector injects a high reactivity fuel in the compression stroke for auto ignition and to initiate combustion of the charge. A variable valve actuator controls compression ratio and cylinder peak temperature. Boost is provided in air induction sub-system to assure combustion to stoichiometric levels. | 12-25-2014 |
20150047345 | METHOD AND SYSTEM OF CLEANING A CONTROL VALVE - A method and system of cleaning a turbocharger bypass control valve, the control valve being operable to vary the position of a bypass valve and thereby vary the amount of flow bypass across a turbine and/or compressor of a turbocharger for an engine. The method comprises: determining whether the control valve may require cleaning; adjusting the duty cycle of the shuttle so as to increase a flow of fluid through the control valve and clean the control valve; and adjusting a throttle position of the engine and thus the engine torque output to compensate for the adjustment in the amount of boost provided by the turbocharger. | 02-19-2015 |
20150052890 | CONTROL APPARATUS FOR AN INTERNAL COMBUSTION ENGINE - A control apparatus for an internal combustion engine includes a first exhaust passage through which an exhaust gas of a first cylinder group flows, a second exhaust passage through which an exhaust gas of a second cylinder group flows, a third exhaust passage formed by merging of the first exhaust passage and the second exhaust passage, a centrifugal supercharger equipped with a turbine arranged in the third exhaust passage, an exhaust gas purification device arranged in the third exhaust passage at a location downstream of the turbine of the centrifugal supercharger, a bypass passage branching from the first exhaust passage, and merging into the third exhaust passage at a location upstream of the exhaust gas purification device, and a waste gate valve for switching opening and closing of the bypass passage, wherein when inter-cylinder-group imbalance processing is carried out, the bypass passage is made to open. | 02-26-2015 |
20150300245 | APPARATUS FOR CONTROLLING AN INTERNAL COMBUSTION ENGINE - A control apparatus for an internal combustion engine is provided. The control apparatus includes a turbocharger, a bypass passage, a wastegate valve, a catalyst device and a controller. The controller sets the wastegate valve to a closed state in a case where a warm-up execution condition is established, and performs A/F oscillation for increasing or decreasing the fuel injection amount so that lean combustion and rich combustion are alternately performed in a case where the temperature in the exhaust passage upstream of the turbocharger is beyond a predetermined reference value. | 10-22-2015 |
20150300276 | ELECTRIC ACTUATOR CURRENT CONTROL RESPONSIVE TO TEMPERATURE - Various methods for controlling current supply to a wastegate actuator based on temperature are thus provided. In one example, a method for operating a wastegate comprises limiting a boost amount in response to a current limit based on a temperature of a wastegate actuator. The temperature may be an ambient temperature proximate the wastegate actuator. | 10-22-2015 |
20150361927 | SYSTEMS AND METHODS FOR BOOST CONTROL - Methods and systems are provided for reducing turbo lag in an engine system configured with a cylinder dedicated for exhaust gas recirculation and distinct turbines coupled to the dedicated EGR cylinder and remaining engine cylinders. An air-fuel ratio of combustion in the dedicated cylinder is adjusted responsive to a tip-in event by providing blow-through air and additional fuel based on the amount of heat required to spin up a turbine coupled to the dedicated cylinder and provide the requested boost pressure. The approach enables turbo lag to be reduced while providing high EGR at high boost conditions. | 12-17-2015 |
20160003175 | CONTROL APPARATUS FOR INTERNAL COMBUSTION ENGINE - When engine is in the lean operation, and a WGV is fully closed, a boundary between a stoichiometric region and a lean region is corrected by learning using a turbocharging pressure obtained from a turbocharging pressure sensor. When the engine is in the lean operation, and the WGV is fully closed, the turbocharging pressure obtained from the turbocharging pressure sensor is equal to the actual maximum value of the engine torque output when a throttle valve is fully opened and the engine is in the lean operation, that is, the turbocharging pressure required to achieve the torque on the actual boundary. Therefore, the boundary can be brought close to the actual boundary by learning using the turbocharging pressure obtained from the turbocharging pressure sensor when the engine is in the lean operation and the WGV is fully closed. | 01-07-2016 |
20160108827 | CONTROL APPARATUS OF ENGINE - A control apparatus of an engine comprises: fuel injection control device that controlling injection amounts of fuel injected from a first fuel injection valve, which injects fuel into an intake path of the engine, and a second fuel injection valve, which injects fuel into a combustion chamber of the engine, in accordance with the operating state of the engine; and valve control device that changes the open/closed state of the waste gate valve in accordance with the injection amounts of fuel injected from the first fuel injection valve and the second fuel injection valve. The fuel injection control device increases the injection amount of fuel injected from the second fuel injection valve in accordance with an increase in the load or speed of the engine. The valve control device changes the open/closed state of the waste gate valve in the sequence of an opening direction, a closing direction, and an opening direction as the injection amount of fuel injected from the second fuel injection valve increases. | 04-21-2016 |
20160108845 | CONTROL APPARATUS OF ENGINE - In a control apparatus of an engine having a first fuel injection valve for injecting fuel into an intake path of the engine, a second fuel injection valve for injecting fuel into a combustion chamber of the engine, a supercharger for supercharging intake air for the engine, and a waste gate valve for opening and closing an exhaust bypass passage for bypassing a turbine of the supercharger, the waste gate valve is controlled to act in a closing direction in response to an increase in the injection amount of fuel injected from the first fuel injection valve, in a region where the injection amount of fuel from the first fuel injection valve is larger than the injection amount of fuel from the second fuel injection valve. | 04-21-2016 |
20160108859 | Supercharger Exhaust Bypass - A supercharger exhaust bypass system, comprises a supercharger comprising an inlet and outlet, a bypass valve connected to the supercharger outlet, a first intercooler connected to receive compressed air from the outlet of the supercharger and connected to cool and expel air, a second intercooler comprising an envelope inlet, an exhaust inlet, an exhaust outlet, an exhaust passage between the exhaust inlet and the exhaust outlet, and an envelope connected to the envelope inlet and surrounding the exhaust passage, an engine system connected to receive expelled air from the first intercooler and further connected to output exhaust to the exhaust inlet of the second intercooler, and a bypass conduit connected to the bypass valve and connected to the envelope inlet. | 04-21-2016 |
20160131051 | CONTROL APPARATUS OF ENGINE - In a control apparatus of an engine having a first fuel injection valve for injecting fuel into an intake path of the engine, a second fuel injection valve for injecting fuel into a combustion chamber of the engine, a supercharger for supercharging intake air for the engine, and a waste gate valve for opening and closing an exhaust bypass passage for bypassing a turbine of the supercharger, the waste gate valve is controlled to act in an opening direction in accordance with an increase in the injection amount of fuel injected from the second fuel injection valve, in a region where the injection amount of fuel from the second fuel injection valve is larger than the injection amount of fuel from the first fuel injection valve. | 05-12-2016 |
20160153353 | ENGINE SYSTEM CONTROL APPARATUS AND VEHICLE | 06-02-2016 |
20160169095 | ENGINE CONTROL SYSTEM AND METHOD | 06-16-2016 |