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8167563 |
Blade arrangement
A blade arrangement, with a rotor and a plurality of blades which are arranged on the periphery of the rotor in a ring, and a plurality of damping elements are provided. Between two directly...
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8137072 |
Turbine blade including a seal pocket
A turbine blade is disclosed. The turbine blade may have an airfoil extending from a first surface of a turbine platform. The turbine blade may further have a first side pocket of the turbine...
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8113783 |
Assembly of a fan blade and of its damper, fan blade damper and method for calibrating the damper
A fan blade assembly of a turbojet with fan and a fan blade damper is disclosed. The fan blade includes a root and a platform. The fan blade damper is suitable for being attached in a housing...
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8066479 |
Non-integral platform and damper for an airfoil
A section of a gas turbine engine includes a damper which extends from a disk between a first blade and a second blade to provide a dissipating vibratory motion energy in the form of friction heating.
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8066488 |
Highly slenderness rotor
The present invention relates to a rotor for gas or steam turbines having a disk (1), an outer cover (2) and a plurality of blades (3). The disk (1) defines the portion of less diameter of the...
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8061966 |
Composite containment casings
Composite containment casing including a body having an interior, an abradable system integrally joined to the interior of the body of the containment casing wherein the abradable system comprises,...
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8011892 |
Turbine blade nested seal and damper assembly
A turbine blade damper-seal assembly includes a seal nested within a damper such that both the seal and damper are disposed to provide sealing between adjacent blade platforms. The seal traverses...
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7927074 |
Fan rotor
A fan rotor includes a hub (10), a plurality of blades (20) radially disposed around the hub, and a magnet (30) located in an inner side of the hub. The hub includes a top wall (12) and a sidewall...
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7850116 |
Ducted open rotor apparatus and method
A propulsor apparatus for a mobile platform, for example an aircraft is provided. The propulsor apparatus includes an aerodynamically shaped propeller duct that houses at least a portion of a...
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7841832 |
Fan for generating an air flow
A weight adjustment portion is formed at an upper end of a hub to project radially inward. An approximately U-shaped balance clip is attached to the weight adjustment portion. A gap to be...
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7798778 |
Wheel for a rotating flow machine
A wheel for a rotating flow machine, comprising a rotor (1) on which a plurality of blades (2) are arranged projecting radially from the rotor (1), with each blade (2) having a root (3) attached to...
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7766625 |
Methods and apparatus for reducing stress in turbine buckets
A method facilitates reducing stress in a turbine bucket including a metallic base metal. The method comprises providing a turbine bucket including at least one pocket formed therein, and filling...
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7762773 |
Turbine airfoil cooling system with platform edge cooling channels
A turbine airfoil of a turbine engine having cooling channels positioned on side surface edges of a platform of the airfoil. The platform may include at least one angled side surface that may be...
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7762779 |
Turbine blade tip shroud
A turbine blade tip shroud. The tip shroud may include a platform, a number of Z-notched positioned within the platform, a number of seal rails positioned on the platform, and a number of cavities...
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7731482 |
Bucket vibration damper system
A damping system for a turbine bucket. The damping system includes a damper pocket with a variable tangential depth and a damper pin positional within the damper pocket.
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7717679 |
Structure of balancing fan
A structure of a balancing fan is disclosed. The fan comprises a hub and a rotation balancing unit. The hub comprises a top portion and a ring portion disposed around the top portion. A plurality...
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7628588 |
Coated bucket damper pin
A damper pin for a turbine bucket includes an elongated main body portion of substantially uniform cross-sectional shape having opposite ends, one only of said opposite ends coated with a corrosion...
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7597542 |
Methods and apparatus for controlling contact within stator assemblies
A method enables a stator assembly for a turbine engine to be assembled. The method comprises forming a recess within a portion of each base, and coupling the stator vanes within the turbine engine...
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7578655 |
Composite gas turbine fan blade
A composite turbine blade and fan blade assembly for use in a turbo machine such as a gas turbine engine. The turbine blade assembly includes a plurality of metallic turbine blades secured to a...
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7547192 |
Torque-tuned, integrally-covered bucket and related method
A turbine bucket includes a shank portion, an adjacent and radially inner dovetail mounting portion, an adjacent and radial outer airfoil portion, with a platform at a radially inner end of said...
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7506838 |
Air intake structure for aircraft engine
The aft stiffening frame of an air intake structure for an aircraft engine nacelle is made with an inflection area such that the part between the inflection area and one of its ends could be...
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7458779 |
Gas turbine or compressor blade
A gas turbine or compressor blade, includes a convex outer surface or suction side and a concave inner surface or pressure side, these sides being joined at their upstream ends by a leading edge...
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7429164 |
Turbine moving blade
A turbine moving blade has a blade portion extending from the basal portion to the tip of the moving blade. The blade root portion is formed at the basal portion of the blade portion and engaged...
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7393182 |
Composite tip shroud ring
A gas turbine engine includes a tip shroud ring rotatably supported on a last stage blade assembly in a turbine. The tip shroud ring is formed entirely of a fiber reinforced ceramic matrix...
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7374400 |
Turbine blade arrangement
A turbine blade arrangement comprises turbine blades which are secured in adjacent positions to a rotor disc with a cavity defined between root segments and platform segments. A flow deflector...
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7334993 |
Gas turbine rotor blade, gas turbine using the rotor blade, and power plant using the gas turbine
A gas turbine rotor blade capable of effectively reducing creep damage by forming a cooling through hole to cool a target area in which significant creep damage of a shroud cover is predicted based...
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RE39630 |
Turbine blisk rim friction finger damper
A damper for reducing vibrations in an integrally bladed turbine disk is provided. The damper includes an annular member and a plurality of fingers. The annular member is configured so that it is...
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7165943 |
Geothermal turbine
A geothermal turbine comprises a turbine casing, a turbine rotor shaft, a plurality of nozzle diaphragm outer rings fixed to the turbine casing, a plurality of nozzle diaphragm inner rings located...
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7121800 |
Turbine blade nested seal damper assembly
A turbine blade damper seal assembly includes a seal and a damper that both abut a radially outermost non-gas path surface. The seal is fabricated from a plastically deformable material and nests...
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7104752 |
Braided wire damper for segmented stator/rotor and method
The segments of the vanes of a stator and the blades of a rotor for a gas turbine engine are dampened by utilizing braided wire cable that is affixed to adjacent segments such that each of the wire...
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7104758 |
Rotor of a steam or gas turbine
A rotor of a steam or gas turbine is equipped with rotor blades, which are held in the rotor (6) in a plurality of radial rows and comprise a blade foot 1 installed in the rotor (6), a blade leaf...
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7066713 |
Rotor blade for a rotary machine
A rotor blade having a wing and beam construction for a tip shroud is disclosed. Various construction details are developed for providing a transition zone that extends from the suction side and...
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7001144 |
Gas turbine and method for reducing bucket tip shroud creep rate
A bucket tip shroud in a gas turbine includes a seal rail having a cutter tooth at one end. Bucket tip shroud creep rate can be reduced by removing the cutter tooth from the bucket tip shroud seal...
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7001152 |
Shrouded turbine blades with locally increased contact faces
A one-piece blade for a turbine section of a gas turbine engine, the blade comprising a root, an airfoil and a shroud. The shroud extends generally perpendicularly from a tip of the airfoil and is...
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6962484 |
Moving blade for a turbomachine
This arrangement relates to a moving blade (1), cast in one piece, for a turbomachine, in particular a turbine or compressor, comprising an aerodynamically shaped profile body (2) which has a...
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6901821 |
Stator damper anti-rotation assembly
An assembly for preventing rotation of a damper in a stator system includes a slot in the damper and a block for engaging the slot to prevent rotation of the damper. The block is positioned within...
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6893215 |
Division wall and shroud of gas turbine
The division wall is made up of a plurality of division wall sections forming a passage wall of high temperature gas which are connected in the direction of arrangement of blades to form a wall...
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6851932 |
Vibration damper assembly for the buckets of a turbine
A damper pin is disposed between adjacent buckets of a turbine rotor. A first bucket has circumferentially extending supports defining a pair of axially spaced surfaces on which a damper pin rests...
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6846160 |
Turbine bucket
The present invention relates to a turbine bucket to be provided at the low pressure last stage of a steam turbine and an object of the present invention is to provide a turbine bucket in which the...
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6769869 |
High efficiency blade configuration for steam turbine
A steam turbine that passes more turbine driving steam by off-setting the turbine moving blade throat•pitch ratio before operation and, when a blade untwist is generated during operation, causing m...
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6726452 |
Turbine blade arrangement
A turbine blade arrangement includes rotating blades respectively provided with a leg which can be respectively inserted into a groove on the outer circumference of a turbine disk in a radial,...
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6659725 |
Vibration damping
A vibration damper 46 for a gas turbine engine has convergent friction surfaces 48a and 48b and is located radially inward of the platforms 20a and 20b of two adjacent turbine blades. The angle...
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6568908 |
Steam turbine
The moving blades of a rotor included in a steam turbine are formed so that the width of a gap between opposite end surfaces of first connecting members of adjacent blades along the direction of...
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6565322 |
Turbo-machine comprising a sealing system for a rotor
The invention relates to a turbo-machine (1) comprising a rotor (25) that extends along a rotational axis (15). Said rotor (25) has a peripheral surface (31) which is defined by the outer radial...
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6547526 |
Article having dampening member installed into an imbedded cavity
An article that is configured to be rotatably mounted includes an embedded hollow cavity into which at least one dampening member is inserted. The dampening member or members frictionally engage...
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6542859 |
Method for designing a cyclic symmetric structure
A method for analyzing and designing structures with structural aliasing. The concept of structural aliasing applies in one embodiment of the present invention to structural systems which are...
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6514040 |
Turbine engine damper
A damper that provides damping for turbine engines to reduce vibrations in the blades, vanes, shrouds, ducting, liner walls and/or other components of the turbine engine. The damper includes an air...
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6494679 |
Apparatus and method for rotor damping
A rotor, such as a rotor of an aircraft gas turbine engine, uses damper-ring devices for damping unwanted rotor vibrations. One device has inner and outer damper rings with the outer damper ring...
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6491498 |
Turbine blade pocket shroud
An improved gas turbine blade is disclosed that utilizes a blade tip shroud with tapered shroud pockets to remove excess weight from the shroud while not compromising shroud bending stresses....
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6478544 |
Blade arrangement with damping elements
The present invention relates to a blade arrangement with damping elements and to a method of damping vibrations of a blade arrangement. The blade arrangement comprises a rotor and blades arranged...
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