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Patent No. 5787895

Kissing Shield

A kissing shield comprised of a thin, flexible membrane and a frame or holder.

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Class 416/191 - Segmental shroud


Subclass of Class 416 - Fluid reaction surfaces (i.e., impellers)
Definition: Apparatus wherein the flow directing surface comprises a
No. of patents: 174
Last issue date: 05/29/2012


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NumberTitleIssue Date
8186959Turbine moving blade assembly and turbine having the same
A shroud of adjacent turbine moving blades has the primary contact face portion, which has opposing flat faces forming an acute angle from a turbine rotating direction and has the secondary contact face portion which has opposing flat faces forming an obtuse angle f...
05/29/2012
8118557Steam turbine rotating blade of 52 inch active length for steam turbine low pressure application
A bucket for use in the low-pressure section of a steam turbine engine is provided. The bucket has a vane length of at least about 52 inches. The bucket is comprised of a dovetail section disposed near an inner radial position of the bucket, a tip shroud disposed ne...
02/21/2012
8075272Steam turbine rotating blade for a low pressure section of a steam turbine engine
A steam turbine rotating blade for a low pressure section of a steam turbine engine is disclosed. The steam turbine rotating blade includes an airfoil portion. A root section is attached to one end of the airfoil portion. A dovetail section projects from the root se...
12/13/2011
8075273Fan blade modifications
A winglet is coupled with an end of a fan blade. The fan blade has an upper surface, a lower surface, a leading edge, and a trailing edge. The fan blade defines a chord and a maximum thickness. The winglet comprises a substantially vertical member that has a perimet...
12/13/2011
8047793Metal impeller blade manufactured by molding and method of manufacturing the impeller blade
The present invention relates to an impeller blade for turbomachine formed by molding, comprising a blade, at one end of which is provided a heel formed of a single piece with the blade, to which it is joined at the level of a connection area, the heel comprising a ...
11/01/2011
7946822Steam turbine rotating blade
A rotating blade for a steam turbine includes a root section and an airfoil section contiguous with the root section. The airfoil section is shaped to optimize aerodynamic performance while providing optimized flow distribution and minimal centrifugal and bending st...
05/24/2011
7946823Steam turbine rotating blade
A rotating blade for a steam turbine includes a root section and an airfoil section contiguous with the root section. The airfoil section is shaped to optimize aerodynamic performance while providing optimized flow distribution and minimal centrifugal and bending st...
05/24/2011
7946820Steam turbine rotating blade
A rotating blade for a steam turbine includes a root section and an airfoil section contiguous with the root section. The airfoil section is shaped to optimize aerodynamic performance while providing optimized flow distribution and minimal centrifugal and bending st...
05/24/2011
7946821Steam turbine rotating blade
A rotating blade for a steam turbine includes a root section and an airfoil section contiguous with the root section. The airfoil section is shaped to optimize aerodynamic performance while providing optimized flow distribution and minimal centrifugal and bending st...
05/24/2011
7934907Cuffed fan blade modifications
A winglet includes a vertical member and a mounting member. The mounting member is configured to facilitate the mounting of the winglet to the tip of a fan blade. The vertical member is configured to extend perpendicularly relative the tip of a fan blade. A cuff ext...
05/03/2011
7878762Tip turbine engine comprising turbine clusters and radial attachment lock arrangement therefor
A tip-turbine engine comprises a fan-turbine rotor assembly that includes one or more turbine ring rotors. Each turbine ring is assembled from a multitude of turbine blade clusters. By forming the turbine blades in clusters, leakage between adjacent blade platforms ...
02/01/2011
7874802Tip turbine engine comprising turbine blade clusters and method of assembly
A tip turbine engine comprises a fan-turbine rotor assembly that includes one or more turbine ring rotors. Each turbine ring is assembled from a multitude of turbine blade clusters. Assembly of a multitude of turbine blade clusters to a diffuser includes axial insta...
01/25/2011
7771171Systems for preventing wear on turbine blade tip shrouds
A system in a turbine engine for preventing wear on a tip shroud of a turbine blade that includes a pocket formed in a contact surface of the tip shroud and a plug that fits within the pocket and has a durable outer surface. The durable outer surface may include a c...
08/10/2010
7762779Turbine 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 positioned within the platform and adjacent to seal rails and the Z-n...
07/27/2010
7654797Blade with shroud
A blade for a turbo machine has a blade section and a shroud element terminating the blade section in the blade section longitudinal direction. The blade section has a suction face and a pressure face. The shroud element extends essentially at right angles to the bl...
02/02/2010
7654798Fan blade modifications
A winglet includes a vertical member and a mounting member. The mounting member is configured to facilitate the mounting of the winglet to the tip of a fan blade. The vertical member is configured to extend perpendicularly relative the tip of a fan blade. Adding win...
02/02/2010
7527477Rotor blade and method of fabricating same
A method for fabricating a rotor blade is provided. The method includes providing a rotor blade that includes a tip shroud having a portion of increased cross-sectional thickness relative to adjacent portions of the tip shroud. The increased cross-sectional thicknes...
05/05/2009
7527476Rotor assembly and annulus filler for gas turbine engine compressor
A rotor assembly for a gas turbine engine compressor includes a rotor disc for mounting a plurality of radially extending rotor blades for rotation thereon, an annulus filler for securing to the disc to provide a radially inner airflow surface for air passing throug...
05/05/2009
7497663Rotor blade profile optimization
An airfoil for a rotor blade including an uncoated profile substantially in accordance with Cartesian coordinate values of X, Y and Z to facilitate balancing performance and durability of the rotor blade and to facilitate improving an operating efficiency of a high-...
03/03/2009
7442008Cooled gas turbine aerofoil
An internal fluid cooling system for a gas turbine aerofoil comprises a plurality of multi-pass cooling arrangements each of which consists of a serpentine passage in the interior of the aerofoil. The cooling fluid—in particular air—is supplied to an inlet end o...
10/28/2008
7396205Rotor 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 pressure side of the airfoil to provide a flow path surface of the shro...
07/08/2008
7374395Turbine shroud segment feather seal located in radial shroud legs
A turbine shroud assembly is configured to adequately adjust a distribution of cooling air flow such that air leakage between radial shroud legs of adjacent shroud segments is minimized, while permitting cooling air to leak between platforms of adjacent shroud segme...
05/20/2008
7367488Method of repair of thin wall housings
The present invention provides methods and materials for use in repairing a worn component having thin walls. One kind of thin wall may be the wall of a cylindrical portion of the component where such wall has a worn inner surface and an opposite outer surface. The ...
05/06/2008
7360995Vertical axis windmill
A vertical axis windmill in which a support frame is provided as a wind power dam to form a plurality of shaft-installation sections, and in which a plurality of vertically long blades each of which has a tilted part at the upper and lower ends respectively are disp...
04/22/2008
7329093Nozzle blade airfoil profile for a turbine
First stage stator vanes for a turbine comprised airfoil profile substantially in accordance with Cartesian coordinate values of X, Y and Z set forth in inches in Table I, which define a plurality of radially spaced profile sections forming the nominal profile. The ...
02/12/2008
7329092Stator blade airfoil profile for a compressor
Twelfth stage stator vanes for a compressor comprise airfoil profiles substantially in accordance with Cartesian coordinate values of Z, Y and Z set forth in inches in Table I, wherein the Z coordinate values are perpendicular distances from planes normal to a radiu...
02/12/2008
7296967Counterflow film cooled wall
A turbine wall includes opposite back and front sides. Film cooling holes are inclined longitudinally through the wall. Adjacent holes are spaced laterally apart and are inclined oppositely for channeling cooling air therethrough in counterflow. ...
11/20/2007
7284954Shroud block with enhanced cooling
A shroud for surrounding a portion of a turbine flow path having improved cooling and durability is disclosed. The shroud includes a plurality of generally axial cooling holes spaced a substantially equal distance apart and a plurality of generally circumferential c...
10/23/2007
7270518Steep angle turbine cover buckets having relief grooves
Steam turbine bucket covers have forward and aft clearance surfaces on a pressure side edge of the cover, a contact surface between the clearance surfaces and an undercut fillet between the forward clearance surface and the contact surface. The adjoining bucket cove...
09/18/2007
7270519Methods and apparatus for reducing flow across compressor airfoil tips
An airfoil for a gas turbine engine includes a leading edge, a trailing edge, a tip, a first side wall that extends in radial span between an airfoil root and the tip, wherein the first side wall defines a first side of said airfoil, and a second side wall connected...
09/18/2007
7264887MCrAlY bond coating and method of depositing said MCrAlY bond coating
A method of depositing a bond coating to a surface of an article includes the steps of depositing an inner layer of the bond coating consisting of β-NiAl comprising Fe, Ga, Mo, B, Hf or Zr or γ/β-MCrAlY comprising Fe, Ga, Mo, B, Hf or Zr or γ/γ′- or γ-MCrAlY...
09/04/2007
7238002Damper seal system and method
A damper and seal system for a stage of a turbine that includes inner shrouds disposed circumferentially of a hot gas path through the turbine stage and shroud body(s) for supporting the inner shroud(s). A damper block engages a backside surface of the inner shroud ...
07/03/2007
7234918Gap control system for turbine engines
Embodiments of the invention relate to a system and method for controlling the size of gaps in a turbine engine. In many instances, it is desirable to minimize the size of the gaps between neighboring rotating and stationary components in a turbine engine, such as b...
06/26/2007
7214034Control of leak zone under blade platform
A system for controlling a leakage zone under platforms of blades of a turbomachine blade-wheel by liners having edges that flare radially inwards, and that are disposed in inter-blade cavities defined by the platforms, by upstream and downstream radial walls of the...
05/08/2007
7207775Turbine bucket with optimized cooling circuit
A turbine bucket includes a cooling circuit through a dovetail section, a shank section and an airfoil section. The cooling circuit is configured to maximize cooling ability and maximize a useful life at base load operation at firing temperatures of up to 2084° F. ...
04/24/2007
7200933Method for manufacturing a stator component
Method and arrangement for providing a stator component intended during operation to conduct a gas flow. The component is made up of at least two sections (113) in its circumferential direction, which sections each have at least one wall part (101, 102...
04/10/2007
7182577Turbine rotor blade and turbine
A set of turbine rotor blades is arranged on a rotor disk. Each rotor disk has blade profile, root parts which is fitted axially in an axial disk groove formed circumferenctially in the rotor disk, and an integral cover formed at the outer edge of the blade profile ...
02/27/2007
7165943Geothermal 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 radially inside the nozzle diaphragm outer rings, a plurality of nozz...
01/23/2007
7140841Rotor blade connecting arrangement for a turbomachine
A connecting arrangement for rotor blades of a turbomachine includes projections (2), which extend in circumferential direction (3), are rigidly connected in pairs to a rotor blade and are respectively supported on the adjacent projection (2) by...
11/28/2006
7134838Rotor 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 the shroud with a depression in the shroud and a transition zone that extends from the suction side and pressure side of the air...
11/14/2006
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