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| Number | Title | Issue Date |
| 8186158 | Variable turbo supercharger and method of driving the same A hydraulic servo drive device for driving a slide mechanism of a variable geometry turbocharger includes a servo piston connected to a driveshaft of the slide mechanism and a pilot spool that is accommodated in a center hole of the servo piton and slides by pilot p... | 05/29/2012 |
| 8166756 | Turbine intake pressure release structure A turbine intake pressure release structure to control pressure release between a throttle and a first turbine boosted pressure outlet includes a pressure release valve which has a first pressure orifice, a second pressure orifice and a housing chamber, at least one... | 05/01/2012 |
| 8166755 | Turbocharger system with turbine bypass valve actuated by multiple-rate fluid pressure actuator A fluid pressure actuator for a turbocharger system's turbine bypass valve comprises a piston slidable in a cylinder so as to define a chamber containing a compression spring assembly operable to exert a spring force on the piston. The cylinder can be selectively su... | 05/01/2012 |
| 8166754 | Exhaust manifold In an exhaust manifold for an internal combustion engine including a central part with tow exhaust gas flow ducts extending from the central part in opposite directions for collecting exhaust gas from first and respectively second cylinder groups of the engine, the ... | 05/01/2012 |
| 8151567 | Adaptive learning system and method of vane position for a variable geometry turbocharger A method of operation for an engine system having a variable geometry turbocharger with a vane is disclosed. In one example, an EGR valve is closed while vane position is adjusted. The method can reduce vane positioning errors during engine operation. ... | 04/10/2012 |
| 8141357 | Supercharger for an engine An engine system with a turbocharger is provided. The system may include an exhaust manifold having plural independent exhaust passages, each of the exhaust passages being connected to an exhaust port of a corresponding engine cylinder. The system may further includ... | 03/27/2012 |
| 8122716 | VNT flow calibration adjustment An exemplary variable geometry turbine includes a turbine wheel; a variable geometry assembly that includes a rotatable control ring that has a slot and a plurality of vanes where each vane has a post pivotably controlled by rotation of the control ring and where ad... | 02/28/2012 |
| 8117841 | Self regulating waste gate A self-regulating wastegate valve actuator for dynamically regulating a wastegate valve in a turbocharged internal combustion engine. The wastegate valve actuator regulates and maintains a desired pressure differential across a throttle valve with minimal controllin... | 02/21/2012 |
| 8112995 | Turbocharger with variable turbine geometry A turbocharger with variable turbine geometry comprising of a turbine housing having an exhaust gas inlet and an outlet, a volute connected to the inlet, and a nozzle wall adjacent the volute, carrying a turbine wheel and is attached to a shaft with a plurality of i... | 02/14/2012 |
| 8112994 | Method of controlling a turbocharger having a variable-geometry mechanism and a waste gate A method for controlling a variable-geometry turbine (24) that includes a variable-geometry mechanism that is movable between a fully closed position closing a relatively greater portion of the turbine nozzle and a fully open position closing a relatively sma... | 02/14/2012 |
| 8109090 | Variable turbo supercharger and method of returning oil from hydraulic drive Provided are a variable geometry turbocharger in which a drain pipe from a hydraulic servo drive device can be omitted and in which a member for transmitting power of the hydraulic servo drive device can be efficiently lubricated, and a method of returning oil from ... | 02/07/2012 |
| 8109089 | Waste gate actuator for an exhaust gas turbocharger A waste gate actuator for an exhaust gas turbocharger, including an actuator housing and an actuator cover, an element for actuating the waste gate valve and electronic components for controlling the element to actuate the waste gate valve being arranged in the wast... | 02/07/2012 |
| 8104281 | Nested valve and method of control A valve in an engine exhaust system is disclosed. The valve can improve engine operation and reduce engine component degradation during cold engine starting. The valve may also be configured to provide different levels of restriction to exhaust gases flowing to a tu... | 01/31/2012 |
| 8104280 | Lever plate in VGS type turbocharger and method of manufacturing the same A lever plate in a VGS type turbocharger that is incorporated in an exhaust guide assembly in a VGS type turbocharger. The lever plate has a fitting hole into which a shaft part of the adjustable vane is fitted formed at a position close to one end of an elongated p... | 01/31/2012 |
| 8091358 | Control method for a turbocharger supercharged internal combustion engine A control method for an internal combustion engine supercharged by means of a turbocharger provided with a turbine and with a compressor; the control method contemplates the steps of: establishing at least one operating limit curve on a Reduced Mass Flow Rate/Compre... | 01/10/2012 |
| 8082736 | Temperature determination technique for a turbocharger One embodiment of the present invention is an internal combustion engine system that includes an internal combustion engine, a turbocharger with a compressor and a turbine and a gas flow pathway defined therebetween, one or more pressure sensors to detect pressure a... | 12/27/2011 |
| 8079217 | Turbocharger with variable turbine nozzle actuated by hydraulic and mechanical spring forces A turbocharger having a variable turbine nozzle that includes an array of vanes whose setting angle is adjustable by rotation of a crank shaft coupled with a unison ring that pivots the vanes. The crank shaft is rotated by an actuation system made up of a piston con... | 12/20/2011 |
| 8079216 | Actuator for automobiles An actuator for automobiles has a housing in which a communication channel for ventilation is formed, the communication channel allowing the inside and the outside of the housing to communicate with each other. Only one communication channel is formed, and the commu... | 12/20/2011 |
| 8061136 | Method for operating an internal combustion engine and a control and regulation device An internal combustion engine (30) with a supercharger device (50, 52) for increasing the charging pressure in an air inlet system (33) has a number of cylinders (32). Each cylinder (32) has at least one exhaust valve (36) w... | 11/22/2011 |
| 8056337 | Internal combustion engine and control method thereof In a V-type six cylinder engine, cylinder groups are provided in which a plurality of cylinders are arranged divided into left and right first and second banks. An intake pipe, a first exhaust pipe, and a second exhaust pipe are connected to the cylinder groups of t... | 11/15/2011 |
| 8056336 | Turbocharger with variable nozzle having vane sealing surfaces A variable nozzle for a turbocharger includes a plurality of vanes rotatably mounted on a nozzle ring and disposed in a nozzle flow path defined between the nozzle ring and an opposite nozzle wall. Either or both of the faces of the nozzle ring and nozzle wall inclu... | 11/15/2011 |
| 8051659 | Control apparatus for internal combustion engine and method for controlling the same A control apparatus for an internal combustion engine includes an exhaust gas recirculation unit; an intercooler that is provided in the intake passage, at a position downstream of a position to which the exhaust gas is recirculated back; a bypass passage through wh... | 11/08/2011 |
| 8042335 | Intake air heating and exhaust cooling Intake air heating and exhaust cooling is provided by a double wall exhaust system serving as an exhaust-to-air heat exchanger, sourcing hot air to the intake manifold for intake stroke pumping benefit and cooling the exhaust system during high load operation by rou... | 10/25/2011 |
| 8037684 | Variable flow turbocharger There is provided a variable flow turbocharger comprising a turbine chamber (22) within which a turbine (14) is mounted for rotation, an inlet passageway (20) arranged around the turbine chamber (22) for introducing exhaust gas into the t... | 10/18/2011 |
| 8037683 | Flow-optimized bypass for turbo engines A charging device (supercharger) for internal combustion engines, having at least one turbine part. A mass stream of exhaust gas flows into this via an inflow region, from which a bypass duct branches off for bypassing the at least one turbine part. The bypass duct ... | 10/18/2011 |
| 8033108 | Two-stage supercharging system for internal combustion engine A sequential-type, two-stage supercharging system (1) having a high-pressure-stage turbocharger (6) and a low-pressure-stage turbocharger (5), in which high-pressure-stage exhaust gas bypass passages (6d, 6e) for bypa... | 10/11/2011 |
| 8033109 | Variable-nozzle assembly for a turbocharger A variable-nozzle turbocharger includes a turbine housing and a center housing, and a generally annular nozzle ring and an array of vanes rotatably mounted to the nozzle ring such that the vanes are rotatably adjustable for regulating exhaust gas flow to the turbine... | 10/11/2011 |
| 7966814 | Internal combustion engine control method A method for controlling an internal combustion engine that includes a booster system including a turbocharger, an exhaust gas recirculation system including a recirculation valve and an electronic control unit for controlling geometrical configuration of the turboc... | 06/28/2011 |
| 7954319 | Method and control unit for setting a turbine flow cross-section A turbine flow cross-section of a turbocharger of an internal combustion engine, is set such that a lower limit (TSQ_dyn_min) of a range of settable values of the turbine flow cross-section is determined as a function of an operating parameter of the internal combus... | 06/07/2011 |
| 7946116 | Turbocharger comprising a variable nozzle device A turbocharger comprises a variable nozzle device and an exhaust housing being mechanically and/or thermally decoupled from the variable nozzle device. Additional optional advantageous features are provided, including various axial and radial clearances and various ... | 05/24/2011 |
| 7934379 | Internal combustion engine comprising an exhaust gas turbocharger In an internal combustion engine comprising an exhaust gas turbocharger, including a turbine with at least two inlet passages arranged in the exhaust gas tract of the internal combustion engine, via which exhaust gas from the internal combustion engine can be suppli... | 05/03/2011 |
| 7930888 | Variable geometry turbine A variable geometry turbine comprises a turbine wheel supported in a housing for rotation about a turbine axis with an annular inlet passageway defined between a radial face of a nozzle ring and a facing wall of the housing. The nozzle ring is movable along the turb... | 04/26/2011 |
| 7926270 | Turbocharger waste gate control A method for improving turbocharger waste-gate control is presented. The method can reduce turbocharger flow oscillation, at least during some conditions. ... | 04/19/2011 |
| 7918090 | Method and apparatus for controlling an internal combustion engine In a control device for an internal combustion engine having a turbocharger with a variable turbo flow rate, and an intake valve provided with a variable valve mechanism, mirror cycle operation is performed. The control device includes a device which calculates an i... | 04/05/2011 |
| 7886536 | Exhaust-gas turbocharger, regulating device for an exhaust-gas turbocharger and vane lever for a regulating device The invention relates to an exhaust-gas turbocharger (1) as well as in particular a guide apparatus (13) for an exhaust-gas turbocharger (1). The guide apparatus (13) can have a ring of guide vanes (8), which are pivotable on a van... | 02/15/2011 |
| 7882702 | Control system to minimize white smoke using variable nozzle turbo An engine system and method for operating an internal combustion engine includes a turbocharger that generates a boost to the engine. A coolant temperature of the engine is determined along with other based engine inputs and calculated values. A normal boost based o... | 02/08/2011 |
| 7877997 | Wastegate control system based on variable valve actuation A hydraulically operated wastegate valve control system for a turbocharged internal combustion engine is disclosed. The control system includes a hydraulically operated wastegate valve configured to permit exhaust to bypass a turbine section. A first sensor is confi... | 02/01/2011 |
| 7870730 | Variable geometry turbocharger extender idle vane cycle A method to operate and electronic controlled internal combustion engine, and particularly a heavy duty diesel engine, to effect vane cleaning of a variable geometry turbocharger. ... | 01/18/2011 |
| 7836692 | Exhaust line element provided with a turbocompressor An exhaust line element for a supercharged heat engine includes an exhaust manifold and a turbocompressor. The manifold includes at least two separate inlets equipped with connection elements at the outlet of the cylinders of the engine and a discharge outlet for th... | 11/23/2010 |
| 7823385 | Turbocharger with wastegate This invention relates to an actuator assembly for a turbocharger pressure control valve assembly and a method of assembling a pressure control assembly of a turbocharger. The assembly comprises an actuator coupled to an actuator rod which in use is coupled to the v... | 11/02/2010 |
