Class / Patent application number | Description | Number of patent applications / Date published |
416212000 | Interlocking blades | 18 |
20090155080 | COMBINATION AXIAL-FLOW FAN - A high-performance low-noise combination axial-flow fan includes a fan hub that has a center connection portion for the connection of a fan motor shaft and a mounting groove extending around the periphery, and fan blades each having a wedge block disposed at the inner end for fastening to the mounting groove to secure the respective fan blade to the fan hub in such a manner that no gap is seen between each two adjacent fan blades when viewed from the front side. | 06-18-2009 |
20110014052 | FAN WITH STRUCTURAL SUPPORT RING - A cooling fan with an integral structural support ring. The fan has a hub member and a plurality of blades extending therefrom. The fan is a one-piece plastic injection structure. The support ring is positioned between the root and tips of the blades. | 01-20-2011 |
20110274549 | BLADE HAVING ASYMMETRICAL MID-SPAN STRUCTURE PORTIONS AND RELATED BLADED WHEEL STRUCTURE - A blade includes a body including an airfoil section, a root at an end of the body for coupling the blade to a hub, a first mid-span structure portion extending from the body, and a second mid-span structure portion extending from the body. The first and second mid-span structure portions extend from the body in an asymmetrical manner. A structure includes a bladed wheel including a plurality of circumferentially spaced blades extending from a hub, and a set of mid-span structures coupling adjacent blades of the plurality of circumferentially spaced blades. The set of mid-span structures are positioned in a non-uniform radial position arrangement. | 11-10-2011 |
20120045339 | ROTOR BLADES - A rotor blade comprises a blade portion, a root portion ( | 02-23-2012 |
20130195667 | IMPELLER FOR CENTRIFUGAL COMPRESSOR - An impeller for a centrifugal compressor is characterized in that a shroud side of a front edge | 08-01-2013 |
20150044052 | Geared Turbofan With Fan Blades Designed To Achieve Laminar Flow - A fan blade comprises a main body having an airfoil extending between a leading edge and a trailing edge. The fan blade has at least one of a channel closed by a cover, and an end cap covering at least one of the leading and trailing edges. At least one of a cover and an end cap has a pair of opposed ends. A step is defined extending from at least one of a suction wall and a pressure wall of the airfoil, to an outer surface of the one of a cover and an end cap at one of the opposed ends, and the step being less than or equal to about 0.010 inch (0.0254 centimeter) in dimension. | 02-12-2015 |
20150132137 | ASSEMBLY OF SECTIONS OF STRUCTURAL PARTS - A wing or blade in at least two sections facing each other. Each section has a longitudinal bearing structure provided with at least one sole of which the link between the sections includes at least one first link plate linking the end of the soles of the sections facing each other. A method of producing such wing or blade. | 05-14-2015 |
20110044818 | BIFORMAL PLATFORM TURBINE BLADE - A turbine blade includes an airfoil and integral platform. The platform is biformally contoured in elevation to include bilaterally disposed elevated ridges and depressed troughs on opposite sides of the airfoil. | 02-24-2011 |
20110200440 | BLADE CLUSTER HAVING AN OFFSET AXIAL MOUNTING BASE - The stage of a turbine or of a compressor having a plurality of blades which are mounted on a rotor and/or a stator of the stage. The blades are combined into a number of blade clusters as integral components which are each composed of at least two blades and which are each equipped with one shared blade mount for mounting the cluster on the rotor or stator. | 08-18-2011 |
20120315143 | ROTOR BLADE FOR A WIND TURBINE - A rotor blade for a wind turbine has an elongate blade base body with a plurality of connecting elements. Each connecting element comprises at least one axially extending connecting portion adapted to be connected with corresponding connecting portions of a rotor hub of the wind turbine. The connecting elements are connected in circumferential direction so as to build a closed ring-shape. | 12-13-2012 |
20130189108 | BLADE RIM SEGMENT FOR A TURBOMACHINE AND METHOD FOR MANUFACTURE - The present invention relates to a blade rim segment for a turbomachine with at least one shroud band which extends along a segment of a circle and is connected in single-piece fashion with at least three blades, which extend radially from the shroud band and are configured to be hollow with at least one channel, wherein the blade rim segment is manufactured in a single piece by casting and directional solidification, and wherein at the outlet openings of the channels of the blades, the shroud band exhibits first reinforcement ribs that surround the opening and run axially, as well as at least one second reinforcement rib between at least the first reinforcement ribs, as well as a corresponding method for manufacturing a blade rim segment. | 07-25-2013 |
20130272884 | BLADE FOR A TURBOMACHINE, BLADE ARRANGEMENT, AND TURBOMACHINE - A blade for a turbomachine, in particular a jet engine, including a shroud, having two opposite lateral edges, for delimiting a main flow channel and including a blade which extends away from the shroud, a rounded transition area being provided which encompasses the blade on its root side and is guided beyond the one lateral edge, a section of the transition area protruding beyond the one lateral edge being severed and situated in the area of the other lateral edge as an elevation offset in the transverse direction, a blade arrangement having at least two of such blades as well as a turbomachine having a plurality of such blades. | 10-17-2013 |
20140154085 | GAS TURBINE AND GUIDE BLADE FOR A HOUSING OF A GAS TURBINE - A gas turbine, in particular an aircraft engine, having a housing in which at least one guide blade ( | 06-05-2014 |
20140169974 | TAPERED PART-SPAN SHROUD - A rotatable blade for use in a turbomachine includes an airfoil portion having a leading edge, a trailing edge a radially-inner end and a radially-outer end; a root section at to the radially-inner end of the airfoil portion, and a part-span shroud located on the airfoil portion between the root section and the radially-outer end. The part-span shroud decreases in width and thickness from decreasing in width and thickness from the airfoil portion to a contact surface adapted to engage a mating contact surface on a part-span shroud of an adjacent blade. | 06-19-2014 |
20140234110 | TURBINE BLADE TIP SHROUD AND MID-SPAN SNUBBER WITH COMPOUND CONTACT ANGLE - A turbine bucket adapted to be supported on a turbine or rotor wheel includes an airfoil portion extending radially relative to a longitudinal axis of the rotor wheel and having a leading edge, a trailing edge, a pressure side and a suction side. At least one tip shroud extends in opposite circumferential directions, the shroud having a first hard face adapted to engage a mating second hard face on a shroud extending circumferentially from an adjacent bucket. The first hard face defined by a surface portion that varies circumferentially with an increasing radius as measured from the longitudinal axis of the rotor wheel. | 08-21-2014 |
20140255194 | TIP SHROUDS OF TURBINE ROTOR BLADES AND METHODS OF MANUFACTURE RELATED THERETO - A rotor blade for use in a turbine of a turbine engine is described. The rotor blade may include an airfoil that extends from a connection with a root. The airfoil may include a pressure sidewall and a suction sidewall that define an outer periphery and an outboard tip. The rotor blade may further include a tip shroud assembly disposed at the outboard tip of the airfoil. The tip shroud assembly includes a non-integral tip shroud. | 09-11-2014 |
20140255195 | Bucket Connection for a Turbine Runner - A bucket connection for a turbine runner ( | 09-11-2014 |
20150345308 | TURBINE COMPONENT - A turbine component is disclosed. The turbine component includes an outer shroud and an inner shroud having a first hook region extending over a first portion of the outer shroud and a second hook region extending over a second portion of the outer shroud. A first hook gap, a second hook gap, a first radial gap, and a second radial gap are arranged and disposed to permit the inner shroud to deflect from the outer shroud under thermal loading. Additionally or alternatively, the inner shroud includes ceramic matrix composite fibers having a thermal conductivity of less than 200 W/m·k and greater than 10 W/m·k. | 12-03-2015 |
416212000 | Turbo machine | 11 |
20090155080 | COMBINATION AXIAL-FLOW FAN - A high-performance low-noise combination axial-flow fan includes a fan hub that has a center connection portion for the connection of a fan motor shaft and a mounting groove extending around the periphery, and fan blades each having a wedge block disposed at the inner end for fastening to the mounting groove to secure the respective fan blade to the fan hub in such a manner that no gap is seen between each two adjacent fan blades when viewed from the front side. | 06-18-2009 |
20110014052 | FAN WITH STRUCTURAL SUPPORT RING - A cooling fan with an integral structural support ring. The fan has a hub member and a plurality of blades extending therefrom. The fan is a one-piece plastic injection structure. The support ring is positioned between the root and tips of the blades. | 01-20-2011 |
20110274549 | BLADE HAVING ASYMMETRICAL MID-SPAN STRUCTURE PORTIONS AND RELATED BLADED WHEEL STRUCTURE - A blade includes a body including an airfoil section, a root at an end of the body for coupling the blade to a hub, a first mid-span structure portion extending from the body, and a second mid-span structure portion extending from the body. The first and second mid-span structure portions extend from the body in an asymmetrical manner. A structure includes a bladed wheel including a plurality of circumferentially spaced blades extending from a hub, and a set of mid-span structures coupling adjacent blades of the plurality of circumferentially spaced blades. The set of mid-span structures are positioned in a non-uniform radial position arrangement. | 11-10-2011 |
20120045339 | ROTOR BLADES - A rotor blade comprises a blade portion, a root portion ( | 02-23-2012 |
20130195667 | IMPELLER FOR CENTRIFUGAL COMPRESSOR - An impeller for a centrifugal compressor is characterized in that a shroud side of a front edge | 08-01-2013 |
20150044052 | Geared Turbofan With Fan Blades Designed To Achieve Laminar Flow - A fan blade comprises a main body having an airfoil extending between a leading edge and a trailing edge. The fan blade has at least one of a channel closed by a cover, and an end cap covering at least one of the leading and trailing edges. At least one of a cover and an end cap has a pair of opposed ends. A step is defined extending from at least one of a suction wall and a pressure wall of the airfoil, to an outer surface of the one of a cover and an end cap at one of the opposed ends, and the step being less than or equal to about 0.010 inch (0.0254 centimeter) in dimension. | 02-12-2015 |
20150132137 | ASSEMBLY OF SECTIONS OF STRUCTURAL PARTS - A wing or blade in at least two sections facing each other. Each section has a longitudinal bearing structure provided with at least one sole of which the link between the sections includes at least one first link plate linking the end of the soles of the sections facing each other. A method of producing such wing or blade. | 05-14-2015 |
20110044818 | BIFORMAL PLATFORM TURBINE BLADE - A turbine blade includes an airfoil and integral platform. The platform is biformally contoured in elevation to include bilaterally disposed elevated ridges and depressed troughs on opposite sides of the airfoil. | 02-24-2011 |
20110200440 | BLADE CLUSTER HAVING AN OFFSET AXIAL MOUNTING BASE - The stage of a turbine or of a compressor having a plurality of blades which are mounted on a rotor and/or a stator of the stage. The blades are combined into a number of blade clusters as integral components which are each composed of at least two blades and which are each equipped with one shared blade mount for mounting the cluster on the rotor or stator. | 08-18-2011 |
20120315143 | ROTOR BLADE FOR A WIND TURBINE - A rotor blade for a wind turbine has an elongate blade base body with a plurality of connecting elements. Each connecting element comprises at least one axially extending connecting portion adapted to be connected with corresponding connecting portions of a rotor hub of the wind turbine. The connecting elements are connected in circumferential direction so as to build a closed ring-shape. | 12-13-2012 |
20130189108 | BLADE RIM SEGMENT FOR A TURBOMACHINE AND METHOD FOR MANUFACTURE - The present invention relates to a blade rim segment for a turbomachine with at least one shroud band which extends along a segment of a circle and is connected in single-piece fashion with at least three blades, which extend radially from the shroud band and are configured to be hollow with at least one channel, wherein the blade rim segment is manufactured in a single piece by casting and directional solidification, and wherein at the outlet openings of the channels of the blades, the shroud band exhibits first reinforcement ribs that surround the opening and run axially, as well as at least one second reinforcement rib between at least the first reinforcement ribs, as well as a corresponding method for manufacturing a blade rim segment. | 07-25-2013 |
20130272884 | BLADE FOR A TURBOMACHINE, BLADE ARRANGEMENT, AND TURBOMACHINE - A blade for a turbomachine, in particular a jet engine, including a shroud, having two opposite lateral edges, for delimiting a main flow channel and including a blade which extends away from the shroud, a rounded transition area being provided which encompasses the blade on its root side and is guided beyond the one lateral edge, a section of the transition area protruding beyond the one lateral edge being severed and situated in the area of the other lateral edge as an elevation offset in the transverse direction, a blade arrangement having at least two of such blades as well as a turbomachine having a plurality of such blades. | 10-17-2013 |
20140154085 | GAS TURBINE AND GUIDE BLADE FOR A HOUSING OF A GAS TURBINE - A gas turbine, in particular an aircraft engine, having a housing in which at least one guide blade ( | 06-05-2014 |
20140169974 | TAPERED PART-SPAN SHROUD - A rotatable blade for use in a turbomachine includes an airfoil portion having a leading edge, a trailing edge a radially-inner end and a radially-outer end; a root section at to the radially-inner end of the airfoil portion, and a part-span shroud located on the airfoil portion between the root section and the radially-outer end. The part-span shroud decreases in width and thickness from decreasing in width and thickness from the airfoil portion to a contact surface adapted to engage a mating contact surface on a part-span shroud of an adjacent blade. | 06-19-2014 |
20140234110 | TURBINE BLADE TIP SHROUD AND MID-SPAN SNUBBER WITH COMPOUND CONTACT ANGLE - A turbine bucket adapted to be supported on a turbine or rotor wheel includes an airfoil portion extending radially relative to a longitudinal axis of the rotor wheel and having a leading edge, a trailing edge, a pressure side and a suction side. At least one tip shroud extends in opposite circumferential directions, the shroud having a first hard face adapted to engage a mating second hard face on a shroud extending circumferentially from an adjacent bucket. The first hard face defined by a surface portion that varies circumferentially with an increasing radius as measured from the longitudinal axis of the rotor wheel. | 08-21-2014 |
20140255194 | TIP SHROUDS OF TURBINE ROTOR BLADES AND METHODS OF MANUFACTURE RELATED THERETO - A rotor blade for use in a turbine of a turbine engine is described. The rotor blade may include an airfoil that extends from a connection with a root. The airfoil may include a pressure sidewall and a suction sidewall that define an outer periphery and an outboard tip. The rotor blade may further include a tip shroud assembly disposed at the outboard tip of the airfoil. The tip shroud assembly includes a non-integral tip shroud. | 09-11-2014 |
20140255195 | Bucket Connection for a Turbine Runner - A bucket connection for a turbine runner ( | 09-11-2014 |
20150345308 | TURBINE COMPONENT - A turbine component is disclosed. The turbine component includes an outer shroud and an inner shroud having a first hook region extending over a first portion of the outer shroud and a second hook region extending over a second portion of the outer shroud. A first hook gap, a second hook gap, a first radial gap, and a second radial gap are arranged and disposed to permit the inner shroud to deflect from the outer shroud under thermal loading. Additionally or alternatively, the inner shroud includes ceramic matrix composite fibers having a thermal conductivity of less than 200 W/m·k and greater than 10 W/m·k. | 12-03-2015 |