Class / Patent application number | Description | Number of patent applications / Date published |
060605300 | With motor bearing lubrication or cooling | 30 |
20090000297 | Re-Introduction Unit for Lp-Egr Condensate At/Before the Compressor - The present invention is an exhaust gas recirculation system for a motor vehicle, having a turbocharger unit ( | 01-01-2009 |
20090056332 | HIGH-SPEED ROTATING SHAFT OF SUPERCHARGER - In a high-speed rotating shaft ( | 03-05-2009 |
20100043431 | TURBINE HEAT SHIELD ASSEMBLY - A turbocharger is provided having a bearing housing ( | 02-25-2010 |
20100089057 | Axial Bearing, in Particular for a Turbocharger - An axial bearing for a turbocharger contains a through hole for a shaft and at least one at least partially or completely circulating segment section on a first and second side of the axial bearing. At least one bearing surface is disposed in the segment section. At least one oil pocket is on the first side of the axial bearing. The oil pocket is connected to at least one recess opening outwards, the recess being configured such that it connects the oil pocket for oil supply purposes to the respective segment section and the bearing surface(s) thereof on the first and second side of the axial bearing. | 04-15-2010 |
20100132358 | TURBOCHARGER BEARING ASSEMBLY AND LUBRICATION THEREOF - A turbocharger bearing housing defines a bore in which the turbocharger shaft is mounted for rotation in journal bearings. Lubricating oil is delivered to the journal bearings and a residue is retained in reservoirs in which the journal bearings are located. Two fluid retaining members are disposed around the shaft, each forming a wall of the reservoir and being sealed to the bearing housing. The lubricating fluid reservoir is provided between the fluid retaining members to a depth that at least partially immerses the journal bearings even when the oil supply is interrupted. This ensures that there is sufficient oil to lubricate the bearings at engine start-up, thereby reducing the risk of wear. | 06-03-2010 |
20100139270 | SEALING SYSTEM BETWEEN BEARING AND COMPRESSOR HOUSING - A turbocharger oil discharge assembly ( | 06-10-2010 |
20100192571 | Turbocharger Having a Turbocharger Housing - A turbocharger has a turbocharger housing and a through opening for a shaft. The shaft is pivotally supported in the housing by way of a bearing arrangement. Lubricating oil is supplied for lubricating the bearings. A section of the shaft is provided on the outside of at least one bearing, the section forming a gap together with the housing. The gap is configured as a lubricating oil regulator in order to at least reduce a passage of lubricating oil from the sides of the bearing. | 08-05-2010 |
20110094225 | INTERNAL COMBUSTION ENGINE - An internal combustion engine includes a crankcase which accommodates cylinders, having at least one exhaust turbocharger and having an oil circuit containing at least one oil pump, in which engine oil is siphoned by at least one oil pump and delivered to the cylinders for lubrication, and in which the or each exhaust turbocharger is coupled to the oil circuit such that siphoned engine oil can be distributed to bearings of the respective turbocharger via an inlet line leading to the respective exhaust turbocharger and can then be expelled from the bearings of the respective exhaust turbocharger in the direction of an oil sump via an outlet line leading away from the respective exhaust turbocharger. The respective outlet line of the respective exhaust turbocharger is assigned a pressure limiting device, with the aid of which a vacuum prevailing at the bearings of the respective exhaust turbocharger can be limited. | 04-28-2011 |
20110120125 | Locating Mechanism for Turbocharger Bearing - An exemplary semi-floating bearing for a turbocharger has a central axis defining a cylindrical coordinate system with an axial direction, a radial direction and an angular direction; a turbine end; a compressor end; journal surfaces between the turbine end and the compressor end, the surfaces configured to support a turbocharger shaft; and an opening disposed between the turbine end and the compressor end, the opening having a radial dimension that exceeds an axial dimension to, upon receipt of a locating pin, provide for movement of the bearing in the angular direction about its central axis and to provide for lesser movement of the bearing in the axial direction. Other exemplary bearings, arrangements and methods are also disclosed. | 05-26-2011 |
20110239648 | HYBRID EXHAUST TURBINE TURBOCHARGER - A hybrid exhaust turbine turbocharger that allows for a reduction in manufacturing costs and maintenance costs is provided. In a hybrid exhaust turbine turbocharger in which a silencer connected to an intake system of an internal combustion engine and supported by a casing via a compressor unit is provided upstream of the compressor unit, and in which a shell housing having a recess, accommodating a generator, therein is provided in a midsection of the silencer, an oil reservoir that holds a lubricant having lubricated a bearing disposed within the generator and dripped from the generator is formed at a bottom section of the shell housing, and the lubricant accumulated in the oil reservoir is returned by gravity to an oil tank disposed downstream via a lubricant discharge tube that communicates with the oil reservoir. | 10-06-2011 |
20110296834 | SEPARATELY COOLED TURBOCHARGER FOR MAINTAINING A NO-FLOW STRATEGY OF AN ENGINE BLOCK COOLANT JACKET - An internal combustion engine is provided herein. The internal combustion engine may include a turbocharger including a turbine positioned in an exhaust passage, the turbine having a turbine housing. The internal combustion engine may further include a cooling system having an engine block coolant jacket fluidly coupled to a pump, a cylinder head coolant jacket fluidly coupled to the pump, and a turbine coolant passage traversing the turbine housing and fluidly coupled to the pump and bypassing the engine block coolant jacket. | 12-08-2011 |
20110302920 | SUPERCHARGED INTERNAL COMBUSTION ENGINE - A supercharged internal combustion engine includes a motor unit having a head and an exhaust manifold. A turbocharger assembly is fluid dynamically connected to the exhaust manifold, wherein the turbocharger assembly includes a turbine, a central body and a compressor. The turbocharger assembly includes a lubrication channel for the passage of a lubricating fluid hydraulically connected to a lubrication circuit of the motor unit of said internal combustion engine. The turbine includes a jacket, provided at least in part in a body thereof, arranged for the passage of a cooling fluid and in hydraulic communication with an inlet channel and an outlet channel hydraulically connected to a cooling circuit of the motor unit of said internal combustion engine. The inlet channel, outlet channel and lubrication channel are integrated in said turbocharger assembly in correspondence of a connection interface between said turbocharger assembly and the motor unit. | 12-15-2011 |
20120174579 | SUPERCHARGED LIQUID-COOLED INTERNAL COMBUSTION ENGINE - A supercharged liquid-cooled internal combustion engine is provided. In one example, a bearing of a turbocharger is cooled in response to a thermal load of the turbocharger. In this way, coolant flow rate to the bearing may be provided based on cooling demand. | 07-12-2012 |
20120304642 | INTERNAL COMBUSTION ENGINE - In an internal combustion engine having at least one exhaust gas turbocharger and an engine crankcase with at least one ventilation unit, by means of which a mixture of gas and lubricant generated in the crankcase of the internal combustion engine can be removed from the engine crankcase, and which cooperates with at least one first separating unit, by means of which lubricant can be separated from the gas and lubricant mixture formed in the crankcase, at least one further separating unit is associated with the at least one exhaust gas turbocharger, by means of which lubricant of a mixture of the lubricant and gas formed in the exhaust gas turbocharger can be separated from the lubricant and gas mixture. | 12-06-2012 |
20130036734 | LIQUID-COOLED INTERNAL COMBUSTION ENGINE HAVING EXHAUST-GAS TURBOCHARGING - A thermosiphon system in an engine is provided herein. The thermosiphon system includes a coolant channel traversing a bearing housing, the bearing housing included in a bearing coupled to a shaft mechanically coupled to a turbine and a compressor in a turbocharger, a ventilation vessel in fluidic communication with at least one coolant passage traversing at least one of a cylinder head and a cylinder block in the engine, the at least one coolant passage included in a cooling circuit, and a thermosiphon coolant line having an inlet in fluidic communication with an outlet of the coolant channel and an inlet of the ventilation vessel, the inlet positioned vertically below an interface between liquid and vapor coolant in the ventilation vessel. | 02-14-2013 |
20130067916 | OPTIMIZED TURBOCHARGER BEARING SYSTEM - A turbocharger system, in certain embodiments, includes a compressor, a turbine, a shaft of common diameter coupling the compressor to the turbine, and a first fluid film bearing disposed about the shaft at a compressor end portion of the shaft. The system also includes a second fluid film fixed pad bearing disposed about the shaft at a turbine end portion of the shaft, wherein the first and second fluid film fixed pad bearings have different clearance ratios, effective lengths, or both, relative to one another. The system, in some embodiments, includes a compressor fluid film fixed pad bearing and a turbine fluid film fixed pad bearing, wherein the compressor and turbine fluid film fixed pad bearings have different clearance ratios and effective lengths, relative to one another. | 03-21-2013 |
20130086903 | ENGINE ASSEMBLY INCLUDING FLUID CONTROL TO BOOST MECHANISM - A powertrain assembly includes an internal combustion engine, a boost mechanism and a fluid supply mechanism. The boost mechanism is in communication with an air source and the internal combustion engine. The fluid supply mechanism includes a first accumulator in communication with a pressurized fluid supply from the internal combustion engine and the boost mechanism. The accumulator receives pressurized fluid from the internal combustion engine during engine operation and provides the pressurized fluid to the boost mechanism during an engine off condition. | 04-11-2013 |
20130205775 | TURBOCHARGER BEARING ANTI-ROTATION PLATE - A turbocharger for an internal combustion engine includes a bearing housing with a bearing bore and a semi-floating bearing disposed within the bore. The turbocharger also includes a shaft having a first end and a second end, wherein the shaft is supported by the bearing for rotation about an axis within the bore. The turbocharger also includes a turbine wheel fixed to the shaft proximate to the first end and configured to be rotated about the axis by post-combustion gasses emitted by the engine. Additionally, the turbocharger includes a compressor wheel fixed to the shaft proximate to the second end and configured to pressurize an airflow being received from the ambient for delivery to the engine. Furthermore, the turbocharger includes a plate secured within the bearing housing and configured to prevent rotation of the bearing about the axis. An internal combustion engine employing such a turbocharger is also disclosed. | 08-15-2013 |
20130255252 | CONTROL OF BALANCE DRIFT IN TURBOCHARGER ROTATING ASSEMBLY - A turbocharger for an internal combustion engine includes a bearing housing with a bearing bore and a thrust wall. The bearing housing includes a journal bearing disposed within the bore. The turbocharger also includes a shaft supported by the journal bearing for rotation about an axis within the bore. The turbocharger also includes a turbine wheel fixed to the shaft and configured to be rotated about the axis by the engine's post-combustion gasses. The turbocharger additionally includes a compressor wheel fixed to the shaft and configured to pressurize an ambient airflow. Furthermore, the turbocharger includes a thrust bearing assembly pressed onto the shaft and configured to transmit thrust forces developed by the turbine wheel to the thrust wall. Pressing the thrust bearing assembly onto the shaft minimizes radial motion between the thrust bearing assembly and the shaft. An internal combustion engine employing such a turbocharger is also disclosed. | 10-03-2013 |
20130255253 | FLUID DRIVE MECHANISM FOR TURBOCHARGER - A turbocharger for an internal combustion engine includes a shaft, a first turbine wheel, a compressor wheel, and a second turbine wheel. The shaft includes a first end and a second end and is supported for rotation about an axis. The first turbine wheel is mounted on the shaft proximate to the first end and configured to be rotated about the axis by post-combustion gasses emitted by the engine. The compressor wheel is mounted on the shaft between the first and second ends and configured to pressurize an airflow being received from the ambient for delivery to the engine. The second turbine wheel is mounted on the shaft proximate to the second end and configured to be rotated about the axis by a pressurized fluid. An internal combustion engine employing such a turbocharger is also disclosed. | 10-03-2013 |
20140090375 | COOLING STRUCTURE OF BEARING HOUSING FOR TURBOCHARGER - It is intended to provide a cooling structure for a bearing housing for a turbocharger, the cooling structure being configured so that the cooling structure is manufactured with improved productivity, the occurrence of heat soak-back is reduced, and the cooling structure has improved cooling performance. The cooling structure is configured to cool both a bearing housing | 04-03-2014 |
20140157773 | COOLANT JACKET FOR A TURBOCHARGER OIL DRAIN - A system including a turbocharger, comprising a turbocharger bearing housing supporting a turbocharger drive shaft; an oil drain including an inlet in fluidic communication with the turbocharger bearing housing and an outlet in fluidic communication with an oil sump; and a coolant jacket enveloping the oil drain. The coolant jacket envelopes the oil drain and is positioned to provide coolant to the turbocharger bearing housing and draw heat from the oil draining through the oil drain to prevent coking of hot oil within the oil drain. | 06-12-2014 |
20140352299 | TURBOCHARGER ASSEMBLY - A turbocharger assembly includes a compressor assembly, a turbine wheel, a shaft, a bearing assembly, and a cooling gas conduit. The compressor assembly includes a compressor impeller. The compressor impeller includes an outermost impeller edge and has a maximum cross-sectional dimension at the outermost impeller edge. The shaft interconnects the compressor impeller and the turbine wheel. The bearing assembly surrounds at least a portion of the shaft. The cooling gas conduit is disposed in fluid communication with the compressor assembly and the bearing assembly. At least a portion of the cooling gas conduit is disposed adjacent the outermost impeller edge such that the cooling gas conduit is configured to receive a portion of intake gases flowing along the outermost impeller edge and guide the portion of the intake gases toward the bearing assembly to cool the bearing assembly. | 12-04-2014 |
20150027117 | OIL ATOMIZER LUBRICATION SYSTEM - A lubricant delivery system for an oil consumption-type engine utilizes an atomizer to atomize lubricant obtained from a lubricant reservoir of the engine. The lubricant from the reservoir may be used to lubricate auxiliary components prior to being atomized and consumed in the combustion chamber of the engine. The atomizer can be a turbocharging device. | 01-29-2015 |
20150047349 | TURBOCHARGER WITH ALUMINUM BEARING HOUSING - In an aluminum turbocharger bearing housing, there is a potential for wear of the bearing housing at the interface with the journal bearing system. With a protective hard anodized surface, the wear resistance and resistance to chemical attack of the bearing housing can be improved so that an aluminum bearing housing can have the life of a cast iron bearing housing, at greatly reduced weight. | 02-19-2015 |
20150052892 | Temporary Turbocharger Compressor Seal and Engine Employing Temporary Turbocharger Compressor Seal - A seal for temporarily sealing a turbocharger compressor outlet and an engine employing the seal are disclosed. The seal may include a layer of lubricant, a cover and a layer of heat-shrink material. The seal creates a temporary water-tight seal around a turbocharger compressor outlet, preventing damage to the inside of the turbocharger while the turbocharger is not in use. | 02-26-2015 |
20150337850 | SUPERCHARGER WITH ELECTRIC MOTOR AND ENGINE DEVICE PROVIDED WITH SUPERCHARGER WITH ELECTRIC MOTOR - The present invention provides a supercharger with an electric motor having improved cooling performance for bearings, in the case of employing a grease lubrication system as a lubrication system of the bearings. | 11-26-2015 |
20160003139 | TURBOCHARGER - A turbocharger includes a turbine impeller, a rotating shaft, a bearing housing, a turbine housing. The turbine housing includes a scroll passage and a second flange. The turbine housing has an outer surface provided with a recessed portion, the recessed portion is provided between the scroll passage and the second flange. The recessed portion is a depressed portion toward an inner surface of the turbine housing from the outer surface of the turbine housing. The bearing housing has a main passage. The second flange has an extending passage. The main passage is connected to the extending passage so as to constitute a first coolant passage. The turbine housing has a second coolant passage around the scroll passage. | 01-07-2016 |
20160115909 | TURBOCHARGER THRUST BEARING DEBRIS TRAP - A turbocharger for an internal combustion engine includes a bearing housing and a rotating assembly arranged therein. The rotating assembly includes a shaft with a turbine wheel and a compressor wheel. The turbocharger also includes a thrust bearing assembly operatively connected to the shaft, lubricated by pressurized oil from the engine, and configured to transmit thrust forces developed by the turbine wheel to the bearing housing. The thrust bearing assembly includes a thrust plate having a first thrust face and a thrust washer having a second thrust face. An oil film is generated between the first and second thrust faces, and the first and second thrust faces rotate relative to each other and transmit the thrust forces to the bearing housing. The thrust plate and/or the thrust washer include a circumferential groove configured to trap oil-borne debris and minimize an amount of the debris in the oil film. | 04-28-2016 |
20190145296 | ENGINE DEVICE | 05-16-2019 |