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| Number | Title | Issue Date |
| 8118544 | Bearing and retention mechanisms An exemplary locating mechanism includes a bearing outer race (422) that has a central axis (z-axis) and that has a turbine end, a compressor end and a slot (421), of an axial length, disposed between the turbine end and the compressor end; and a defor... | 02/21/2012 |
| 8092158 | Method of positioning seals in turbomachinery utilizing electromagnetic bearings A method of positioning a shaft and associated seal in turbomachinery utilizing electromagnetic bearings. The method includes applying electrical power to the electromagnetic bearings' windings, the shaft center being in a first position and the shaft being in conta... | 01/10/2012 |
| 8016551 | Reverse curved nozzle for radial inflow turbines A nozzle for radial inflow turbines having an outer surface having a concave shape, and an inner surface having a non-concave, i.e. straight or convex, shape. Also a leading edge may have a hole that is capable of receiving a fastener to secure the nozzle vane to an... | 09/13/2011 |
| 7980816 | Retainer for a turbocharger Disclosed are retainers for a turbocharger. In one embodiment, the retainer includes a generally annular body that defines a bore and one or more channels. The bore is generally directed along a central axis of the body and can be configured to mate with a nose of a... | 07/19/2011 |
| 7393179 | Variable position turbine nozzle An apparatus and method are provided for permitting free rotation of turbine nozzle vanes, while minimizing or eliminating leakage on the vane side-walls. The device incorporates a plurality of nozzle vanes arranged around the circumference of a radial or mixed infl... | 07/01/2008 |
| 7351042 | Structure of scroll of variable-throat exhaust turbocharger and method for manufacturing the turbocharger A ratio of cross sectional area A of a scroll passage to a scroll radius R (A/R) can be increased without increasing the size of a turbine casing and with very simple construction. An exhaust turbine capacity can thus be increased, so that a variable-throat exhaust ... | 04/01/2008 |
| 7322791 | Turbine unit and VTG mechanism therefor A turbine unit having a rotor housing (2) having at least one admission channel (9) for a fluid, as well as a turbine rotor (4) which is supported in a turbine space (23) of the rotor housing (2) and wherein fluid is led into the t... | 01/29/2008 |
| 7305826 | Axial loading management in turbomachinery Exemplary vanes for a turbocharger having variable nozzle geometries are disclosed. In one aspect, each of the vanes includes two axial surfaces that are on opposite sides of the vane. The opposite axial surfaces include two corresponding chambers. These chambers ar... | 12/11/2007 |
| 7303370 | Fluid flow engine and method of producing a guiding grid A fluid flow engine comprises: a turbine housing including at least one supply channel for supplying a driving fluid; at least one turbine rotor rotatably supported in the turbine housing about an axis of rotation; and a guiding grid of variable turbine geometry rad... | 12/04/2007 |
| 7255530 | Vane and throat shaping An exemplary vane for a radial turbine assembly includes a hub end and a shroud end that define vane height, a leading edge and a trailing edge that define vane length along a camberline and an inner surface and an outer surface that extend from the hub end to the s... | 08/14/2007 |
| 7210295 | Compressor with secondary boost air outlet passage A wastegated turbocharger includes a turbine wheel mounted to a shaft for rotation within a turbine housing and a compressor wheel mounted to the shaft for rotation within a compressor housing. The compressor housing has mounted thereto a wastegate actuator command ... | 05/01/2007 |
| 7174777 | Method for controlling at least one actuator in a mass flow duct A method for controlling at least one actuator in a mass flow duct, which makes it possible to implement a predefined pressure upstream from the at least one actuator more rapidly. The flow resistance of the mass flow duct is modified by controlling the at least one... | 02/13/2007 |
| 7150151 | Method of controlling the exhaust gas temperature for after-treatment systems on a diesel engine using a variable geometry turbine A method for controlling a variable geometry turbine of a turbocharger to increase the temperature of the exhaust gas delivered to an after-treatment system. In one form the method includes reducing a fluid flow area to the turbine below a normal size and bypassing ... | 12/19/2006 |
| 7140839 | Variable area diffuser vane geometry A diffuser is provided having a spaced apart shroud and backing plate. A diffuser vane is provided between the backing plate and shroud. The vane includes first and second sealing surfaces opposite from one another and adjacent to the backing plate and shroud. Leadi... | 11/28/2006 |
| 7137778 | Variable turbine geometry turbocharger A turbocharger arrangement for a variable geometry turbocharger including pivotable vanes (34) with each vane (34) having a respective vane bore (38) for receiving a vane post (28) into a vane first planar surface (80) and a respec... | 11/21/2006 |
| 7114919 | Guiding grid of variable geometry A guiding grid of variable geometry for turbines comprises a turbine housing and a plurality of guiding vanes in the housing in angular distances around a central axis. Each vane is pivotal about an associated pivoting axis to assume different angles in relation to ... | 10/03/2006 |
| 7114918 | Fish friendly hydraulic turbine distributor A hydraulic turbine has a distributor located between the scroll of the turbine and its runner. The distributor has upper and lower stay ring portions with stay vanes extending therebetween. A plurality of movable wicket gates control flow of liquid through the dist... | 10/03/2006 |
| 7073334 | Variable exhaust gas turbocharger In a variable exhaust gas turbocharger for an internal combustion engine having an exhaust gas turbine and a compressor with a variable vane structure wherein the exhaust gas turbocharger comprises a housing and a compressor wheel which is connected to an exhaust ga... | 07/11/2006 |
| 7059129 | Variable geometry turbocharger A variable geometry turbocharger includes vanes disposed therein having an inner airfoil surface oriented adjacent a turbine wheel, and an outer airfoil surface oriented opposite and parallel to the inner airfoil surface. The vane includes first and second axial sur... | 06/13/2006 |
| 7044708 | Guide device for an exhaust gas turbocharger A guide device for an exhaust gas turbocharger has a geometry which is variable. The guide device includes guide blades, blade levers which are connected to particularly assigned guide blades in a rotationally fixed manner, and a setting ring in which the blade leve... | 05/16/2006 |
| 7025564 | Devices and methods for reducing or eliminating the gap between a stay vane and its corresponding wicket gate as used in turbines An improved design for turbines increases efficiency while reducing potential for fish kill. In an embodiment of the present invention as relates to Kaplan turbines, the gap between stay vanes and their corresponding wicket gates is reduced or eliminated by provisio... | 04/11/2006 |
| 7021057 | Exhaust-gas turbocharger for an internal combustion engine with variable turbine geometry In an exhaust gas turbocharger for an internal combustion engine comprising a radial flow exhaust gas turbine and a compressor, which is connected to the turbine via a shaft, the turbine having a radial inflow duct and a radial inlet flow passage, which leads to the... | 04/04/2006 |
| 7001142 | Turbocharger for vehicle with improved suspension of the actuating mechanism for variable nozzles A turbocharger with an improved suspension mechanism for the actuation ring of a variable nozzle mechanism, for improved maintenance of the geometry of the suspension mechanism in the case of higher temperature oscillations. The suspension mechanism includes a numbe... | 02/21/2006 |
| 7001143 | Cambered vane for use in turbochargers Improved cambered vanes comprise an inner airfoil surface oriented adjacent a turbine wheel, and an outer airfoil surface oriented opposite the inner airfoil surface. The inner and outer airfoil surfaces define a vane airfoil thickness. A cambered vane leading edge ... | 02/21/2006 |
| 6962481 | Turbocharger for vehicle with improved suspension of the actuating mechanism for variable nozzles A turbocharger with an improved suspension mechanism for the actuation ring of a variable nozzle mechanism, for improved maintenance of the geometry of the suspension mechanism in the case of extreme temperature oscillations. The suspension mechanism includes a numb... | 11/08/2005 |
| 6948907 | Vane and/or blade for noise control Exemplary turbine blade outer edges, exemplary vane inner edges, exemplary systems and exemplary methods are disclosed that help to reduce noise in variable geometry turbines and optionally other turbines wherein a turbine blade interacts with an object. Other exemp... | 09/27/2005 |
| 6926494 | Hydraulic turbine with increased power capacities A hydraulic turbine with increased power capacities for new or existing hydroelectric installations. The turbine has a larger axial runner wheel and a reshaped runner ring peripherally extending around the runner wheel. A draft tube with a larger elbow section exten... | 08/09/2005 |
| 6925806 | Variable geometry assembly for turbochargers A variable geometry turbocharger assembly employing the present invention includes a center housing, a compressor housing attached to one side of the center housing, and a turbine housing attached to another side of the center housing. A plurality of movable vanes i... | 08/09/2005 |
| 6925805 | Turbocharger The invention concerns an exhaust gas turbocharger for an internal combustion engine, with at least one turbine arranged in the exhaust gas stream downstream of the internal combustion engine, wherein the turbine includes at least one flow channel with at least one ... | 08/09/2005 |
| 6916153 | Guiding grid of variable geometry and turbocharger A guiding grid of variable geometry comprises a plurality of guiding vanes in a housing in angular distances around a central axis in an axially extending vane space of a predetermined axial distance. Each vane is pivotal about an associated pivoting axis to assume ... | 07/12/2005 |
| 6763587 | Manufacturing method of component part for variable capacity turbine, and the structure A manufacturing method for manufacturing a component part for a variable capacity turbine, and the structure of a nozzle driving member, will simplify the structure of the component parts for the adjustable nozzle mechanism, the manufacturing work, which results in ... | 07/20/2004 |
| 6742986 | Variable displacement turbine A support pin (24) is disposed at a position in front of a front edge (19a) of a movable nozzle blade (19) in a state in which the movable nozzle blade (19) is located at a rating opening position B, set between a maximum opening p... | 06/01/2004 |
| 6729134 | Variable geometry turbocharger having internal bypass exhaust gas flow Variable geometry turbochargers include a turbine housing having an exhaust gas inlet and outlet, a volute connected to the inlet, and typically a nozzle wall adjacent the volute. The turbine housing includes a bypass exhaust gas flow port disposed internally therei... | 05/04/2004 |
| 6709232 | Cambered vane for use in turbochargers Improved cambered vanes are constructed for use within a vaned turbocharger and comprise an inner airfoil surface oriented adjacent a turbine wheel, and an outer airfoil surface oriented opposite the inner airfoil surface. The inner and outer airfoil surfaces define... | 03/23/2004 |
| 6672059 | Vane design for use in variable geometry turbocharger Improved vanes of this invention are constructed for use within a variable geometry turbocharger assembly. Each vane comprises an inner airfoil surface oriented adjacent a turbine wheel, and an outer airfoil surface oriented opposite the inner airfoil sur... | 01/06/2004 |
| 6623240 | Guide blade-adjusting device for a turbocharger A guide blade-adjusting device for a turbocharger has an adjusting ring that is guided in a simple manner on the guide blade carrier plate. The adjusting ring comprises noses projecting in the axial direction. At least one the noses radially guides the ad... | 09/23/2003 |
| 6599087 | Actuator shaft seal for variable nozzle turbocharger A shaft seal for use with a unison ring actuator crank is disposed within a center or bearing housing of a variable nozzle turbocharger to reduce leakage of hot exhaust gas from an adjacent turbine housing. A seal ring is disposed within the turbine housi... | 07/29/2003 |
| 6546728 | Exhaust-gas turbocharger for an internal combustion engine and method of operating an exhaust-gas turbocharger An exhaust-gas turbocharger for an internal combustion engine has a turbine having a variable turbine geometry for the variable setting of the effective flow inlet cross section to the turbine wheel. The exhaust-gas turbocharger has a compressor which is ... | 04/15/2003 |
| 6527508 | Actuator crank arm design for variable nozzle turbocharger A turbocharger with variable geometry turbine inlet nozzle employs a rotating unison ring for actuation of multiple vanes. A crank arm engages a slot in the unison ring to convert linear actuator motion into rotation of the unison ring. A crank pin having... | 03/04/2003 |
| 6471470 | Vane adjustment mechanism for variable capacity turbine, and assembling method for the same A vane adjustment mechanism, for controlling the quantity of exhaust gas including a base unit having an inner base unit and an outer base unit. The inner base unit (2A) has first and second flanges, and is forced into the outer base unit (2B). A pluralit... | 10/29/2002 |
