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Class 416/232 - Hollow


Subclass of Class 416 - Fluid reaction surfaces (i.e., impellers)
Definition: Apparatus wherein the blade comprises a shell which defines
No. of applications: 62
Last issue date: 12/29/2011


1    
Application No.Application TitleIssue Date
20110318190WIND TURBINE BLADES WITH IMPROVED BOND LINE
A wind turbine blade includes an upper shell member and a lower shell member defining an internal cavity therebetween. The shell members are joined with a bond paste along bond lines at the leading edge and trailing edge of the blade. A seal member is disposed between t...
12/29/2011
20110305581 CEILING FAN VANE STRUCTURE
An improved ceiling fan vane structure minimizes the weight of vanes to reduce to loads and achieve a power saving effect without affecting the structural strength of the vanes. The structural design includes the vanes, each being formed by combining a plurality of lami...
12/15/2011
20110299995WIND TURBINE ROTOR BLADE JOINT
A blade joint for joining a first blade segment and a second blade segment, each having an aerodynamic profile, in a rotor blade is disclosed. The blade joint includes a first joint segment and a second joint segment each having an outer surface, an inner surface, and a...
12/08/2011
20110268576SYSTEM AND METHOD FOR INCREASING ENERGY CAPTURE BY WIND TURBINES
A blade is presented. The blade includes a proximal end and a distal end, and a pronounced camber running between the proximal end to the distal end, wherein the pronounced camber is located in proximity to a trailing edge and on a suction side of the blade, and an ampl...
11/03/2011
20110260008Fluid flow control device for an aerofoil
A fluid flow control device for an aerofoil comprises an aerofoil-tip body of aerofoil shape, coupling apparatus adapted to couple one end of the body to an aerofoil, and a passive tip blowing assembly. The passive tip blowing assembly is provided at the other end of th...
10/27/2011
20110206531EFFICIENT LOW-COST WIND ENERGY USING PASSIVE CIRCULATION CONTROL
Methods, systems, and apparatuses for efficient low-cost wind energy improvements using passive circulation control including, for instance, a fixed-pitch blade having a hub mountable end, a tip end, a blade body between the hub mountable end and the tip end of the fixe...
08/25/2011
20110182744METHOD OF FORMING A HOLLOW COMPONENT WITH AN INTERNAL STRUCTURE
A method of forming a hollow component with an internal structure from first and second panels includes the step of forming at least one protrusion on a surface of at least one of the first and second panels by a material deposition process. The first and second panels ...
07/28/2011
20110142668WIND TURBINE BLADE WITH IMPROVED TRAILING EDGE BOND
A wind turbine blade includes a leading edge and a trailing edge. The blade has an upper shell member and a lower shell member, with each of the shell members having a forward edge bonded at the leading edge of the blade and a rearward edge. A rigid bond cap is pre-form...
06/16/2011
20110083417COOLING SYSTEM
A cooling system for an open rotor gas turbine engine is provided. The system comprises an engine exhaust, and a row of open rotor propeller blades located rearwardly of the exhaust such that hot exhaust gases impinge on the propeller blades. Each blade has an internal ...
04/14/2011
20110081249HOLLOW TURBINE BLADE
A blade for a turbine engine made by the diffusion-bonding/superplastic-forming (DB/SPF) process has a hollow skin made of front and back panels 1, 3 and internal reinforcement in the form of webs 5 extending between the two faces or panels at an angle to ...
04/07/2011
20110076151METHOD AND SYSTEM FOR FOCUSED ENERGY BRAZING
A method and system that includes generation of an energy beam. The energy beam may be generated from a focused energy source. Additionally, the energy beam may be directed towards a pre-sintered preform. The pre-sintered preform may be made of a braze material and may ...
03/31/2011
20110027097METHOD FOR MANUFACTURING A HOLLOW BLADE
A method for manufacturing a hollow blade for a turbomachine including drilling channels into a blank of the blade, placing inserts into the channels, forging the blank, and removing the inserts by chemical dissolution, and the blade is an aluminum alloy and the inserts...
02/03/2011
20110020132DECOMPRESSION MACHINE (SUDARSHAN CHAKRA) SU [good], DARHAN [looking;appearance] CHAKRA [wheel]
A decompression machine to be called SUDARSHAN CHAKRA is a better efficiency of energy conversion method than prior arts i.e. turbine, internal combustion engine & steam engine. Gas or liquid containing intermolecular forces from anywhere is harnessed & released...
01/27/2011
20100296940SHELL STRUCTURE OF WIND TURBINE BLADE HAVING REGIONS OF LOW SHEAR MODULUS
The torsional rigidity of a wind turbine blade affects the twist response of the blade induced by bending moments within the blade. By including regions having a lower modulus of rigidity than the remainder of the blade shell, the torsional rigidity of the blade shell c...
11/25/2010
20100266410ROTOR BLADES FOR TURBINE ENGINES
A blade tip of a turbine rotor blade for a gas turbine engine, the turbine rotor blade including an airfoil and a root portion for mounting the airfoil along a radial axis to a rotor disk inboard of a turbine shroud, a pressure sidewall and a suction sidewall that join ...
10/21/2010
20100232975TURBINE BLADE PLATFORM
A turbine blade assembly is provided. The turbine blade assembly comprises a turbine blade comprising a cavity, and a blade platform supporting the turbine blade, the cavity extending into the blade platform. The blade platform comprises an upper surface adjacent the tu...
09/16/2010
20100226781METHOD OF MANUFACTURING AN AEROFOIL
A method of manufacturing an aerofoil structure capable of being diffusion bonded and superplastically formed to create a substantially hollow cavity within the aerofoil structure, the method comprising: providing a metallic plate for forming the aerofoil structure; joi...
09/09/2010
20100226778METHOD OF MANUFACTURING AN AEROFOIL
A method of manufacturing an aerofoil structure capable of being diffusion bonded and superplastically formed to create a substantially hollow cavity within the aerofoil structure, the method comprising: providing two metallic panels (8, 10, 16); assembling and j...
09/09/2010
20100209255 AEROFOIL STRUCTURE AND A METHOD OF MAKING A RIB FOR AN AEROFOIL STRUCTURE
An aerofoil structure comprises first and second opposed skin components which are joined together and spaced apart by a pair of opposed spar components. The skin components have respective outer and inner surface profiles. The skin and spar components define a space en...
08/19/2010
20100209254VANE FOR AIRCRAFT TURBINE ENGINE RECEIVER, PROVIDED WITH TWO HOLLOW CORES LODGED IN ONE ANOTHER
The invention relates to a vane (200) for an aircraft turbine engine receiver comprising a blade (14) having an aerodynamic shell (24) enveloping a principal hollow structural core (34) extending in the direction of wingspan of the blade. Acc...
08/19/2010
20100202890TURBINE OF A GAS TURBINE
A turbine of a gas turbine, in particular of a gas turbine aircraft engine, having a rotor that has at least one moving blade ring and having a stator that has at least one guide blade ring, moving blades of the, or each, moving blade ring and/or guide blades of the, or...
08/12/2010
20100196160COOLED TURBINE BLADE SHROUD
A turbine blade for use in high temperature applications includes an as-cast airfoil portion and an as-cast outer tip shroud portion and the outer tip shroud portion has at least one as-cast internal cooling circuit for cooling the outer tip shroud, and the at least one...
08/05/2010
20100166564TURBINE BLADE COOLING CIRCUITS
A turbine blade with a generally hollow airfoil having an outer wall that defines a chamber for receiving cooling air, the airfoil comprising a leading edge that resides in an upstream direction, a trailing edge that resides in a downstream direction, a convex suction s...
07/01/2010
20100150707Airfoil
An airfoil has a hollow shell providing external airfoil surfaces, and a corrugated core within the shell. The core contacts inner surfaces of the shell to support the shell. The airfoil is formed by consolidating a hollow shell pre-form and a corrugated core pre-form. ...
06/17/2010
20100135813TURBINE BLADE FOR A GAS TURBINE ENGINE
The turbine blade comprises an airfoil having opposite pressure and suction sidewalls extending from a platform to a free end tip and in a chordwise direction from a leading edge to a trailing edge. The blade has two winglets extending in a chordwise direction from adja...
06/03/2010
20100127504Wind Turbine Blade
A wind turbine blade having a suction side and a pressure side, which sides are connected at a leading edge and a trailing edge, wherein one or more shape modifiable air foil sections are defined in the area of the trailing edge of the blade, and wherein said one or mor...
05/27/2010
20100124508TURBINE 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 aligned with a side surface of a platform of an adjacent turbine blade. The...
05/20/2010
20100074758LAMINAR FLOW ROTOR AND RELATED METHODS AND SYSTEMS
A rotor blade including a root attachable to a rotor hub. The blade includes a tip and one or more channels aligned within the blade generally between the root and the tip. Each channel has a sealed first end and a second end vented to outside the blade. The channel(s) ...
03/25/2010
20100068066SYSTEM AND METHOD FOR GENERATING MODULATED PULSED FLOW
A device includes a fluid flow channel having a channel inlet for receiving a pressurized fluid for flow through the fluid flow channel and a channel outlet for discharging the pressurized fluid therefrom. A passive flow element is situated within the fluid flow channel...
03/18/2010
20100021308Aerofoil and method of making an aerofoil
An aerofoil 50 and in particular an aerofoil utilised as a turbine blade within gas turbine engines generally incorporate passages 52, 53 along which fluid flows to provide cooling within the aerofoil 50. Previously straight webs were utilised in or...
01/28/2010
20100014980Turbine blade
There is described a turbine blade with an aerodynamically profiled blade leaf which is produced from two assembled shell elements. The shell elements forming the suction-side and the pressure-side blade leaf wall have been assembled by means of a high-temperature high-...
01/21/2010
20090162200ROTOR BLADES
A rotor blade has a tip with an outer face including at least two channels which each extend to an outlet in the vicinity of the trailing edge. Accordingly, gas leakage around the tip must cross at least three walls, at least in the vicinity of the uncovered turning reg...
06/25/2009
20090155088DUST HOLE DOME BLADE
A hollow turbine airfoil includes a tip cap bounding an internal cooling circuit between opposite pressure and suction sidewalls. The tip cap includes an internal dome surrounding a dust hole, and the dome is inclined inwardly toward the airfoil root both transversely b...
06/18/2009
20090110559Submersible mixing propeller
An aerating propeller for attaching to the end of a drive shaft includes blades having a chamber to receive a flow of fluids from a conduit in a drive shaft. A trailing face of the blade includes a first opening into the chamber to permit the flow of fluids in the chamb...
04/30/2009
20090041586TURBINE NOZZLE SECTOR
A turbine nozzle sector that comprises an outer platform segment and an inner platform segment between which there extend one or more hollow vanes. Each vane presents a trailing edge cavity for feeding with cooling air and communicating with a plurality of vents distrib...
02/12/2009
20090035148Wind Turbine Blade Drainage
A wind turbine includes a tower supporting a drive train with a rotor, at least one hollow blade extending radially from the rotor; a drain hole arranged in a tip portion of the blade; a baffle, arranged inside the blade and inboard of the drain hole, for impeding a flo...
02/05/2009
20080253898DAMPER CONFIGURED TURBINE BLADE
A turbine rotor blade includes a hollow airfoil joined to a platform and dovetail. A main flow channel extends longitudinally in span through the blade and is bound chordally by opposite partitions transversely bridging opposite sidewalls of the airfoil. A damper rib an...
10/16/2008
20080232966Detachable blade assembly for horizontal-axis wind turbine
A blade assembly for a horizontal-axis wind turbine includes a hub, and a plurality of detachable blade units each mounted on a periphery of the hub and each including a plurality of blades detachably connected with each other by a plurality of connecting devices. Thus,...
09/25/2008
20080206062Wind turbine multi-panel blade
A wind turbine blade (1, 3, 5) comprising at least one central spar longitudinal section (7, 7′, 7″) composed of two cap prefabricated panels (15, 17) and two web prefabricated panels (19, 21) placed side by side in a box shape and at lea...
08/28/2008
20080193292ROTOR BLADE WITH A LIGHTNING PROTECTION UNIT, WIND ENERGY SYSTEM HAVING THE SAME AND A METHOD FOR CONSTRUCTING A ROTOR BLADE
A rotor blade for use in a wind energy system is provided with the rotor blade having a rotor blade body comprising a rotor blade body tip; a rotor blade body cavity; and a lightning protection unit. The lightning protection unit includes a conductive part that is conne...
08/14/2008
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