|
Match
|
Document |
Document Title |
|
|
7600977 |
Turbine blade tip cap
A method of manufacturing a turbine blade includes (a) supporting a turbine blade internal core support at opposite ends such that radially inner and outer ends of the turbine blade remain open...
|
|
|
7600976 |
Rotor blade twist distribution for a high speed rotary-wing aircraft
Main rotor blades of the dual, counter-rotating, rigid coaxial rotor system exhibit a unique unconventional combination of positive and negative twist gradients in which the rotor system rotor...
|
|
|
7600975 |
Turbine and rotor therefor
A rotor that consists of a central hub or shaft and a plurality of boot shaped integral blade/vane units that combine a pronounced elongated vane tip extending substantially toward the incoming...
|
|
|
7587818 |
Repair of gas turbine blade tip without recoating the repaired blade tip
A damaged gas turbine blade which has previously been in service, and which is made of a base metal, is furnished. Any damaged material is removed from the damaged blade tip. The damaged blade tip...
|
|
|
7559747 |
Turbine exhaust strut airfoil profile
A turbine exhaust thin strut includes an airfoil section having a profile substantially in accordance with at least an intermediate portion of the Cartesian coordinate values of X, Y and Z set...
|
|
|
7559746 |
LP turbine blade airfoil profile
A single stage low pressure turbine blade includes an airfoil having a profile substantially in accordance with at least an intermediate portion of the Cartesian coordinate values of X, Y and Z set...
|
|
|
7547193 |
Rotor blade assembly with high pitching moment airfoil section for a rotary wing aircraft
A main rotor blade assembly with a high negative pitching moment airfoil section having a pitching moment coefficient beyond (more negative than) −0.035 at Mach Numbers below 0.80 and a blade...
|
|
|
7547187 |
Axial turbine
An axial turbine includes a plurality of stages, each of the plurality of stages having stationary blades adjacent to each other along the turbine circumferential direction and corresponding moving...
|
|
|
7537434 |
Airfoil shape for a compressor
An article of manufacture having a nominal profile substantially in accordance with Cartesian coordinate values of X, Y and Z set forth in a TABLE 1. Wherein X and Y are distances in inches which,...
|
|
|
7530793 |
Airfoil shape for a compressor
An article of manufacture having a nominal profile substantially in accordance with Cartesian coordinate values of X, Y and Z set forth in a TABLE 1. Wherein X and Y are distances in inches which,...
|
|
|
7530792 |
Component of variable thickness having residual compressive stresses therein, and method therefor
A method of reducing crack propagation includes: providing a metallic component having an exterior surface, and using a burnishing element to apply a varying to the exterior surface within a...
|
|
|
7524162 |
Rotor for a rotating machine, in particular a steam turbine
A rotor for a rotating machine, in particular a steam turbine includes at least one subregion composed of a metal structure having a reduced density and including a multiplicity of finely...
|
|
|
7520728 |
HP turbine vane airfoil profile
A two-stage high pressure turbine comprises a second stage vane having an airfoil with a profile substantially in accordance with at least an intermediate portion of the Cartesian coordinate values...
|
|
|
7520727 |
HP turbine blade airfoil profile
A second stage blade of a two-stage high pressure turbine includes an airfoil having a profile substantially in accordance with at least an intermediate portion of the Cartesian coordinate values...
|
|
|
7520726 |
HP turbine blade airfoil profile
A first stage blade of a two-stage high pressure turbine includes an airfoil having a profile substantially in accordance with at least an intermediate portion of the Cartesian coordinate values of...
|
|
|
7517263 |
Advanced blade sections for high speed propellers
A method and apparatus is directed towards an advanced blade section for propellers that allow watercrafts to effectively travel in both sub-cavitating and super-cavitating modes. The advanced...
|
|
|
7514157 |
Reaction control turbine blade
A reaction control turbine blade is formed by applying a reaction control material to the surface of an Ni-base superalloy before applying aluminum diffusion coating to the Ni-base superalloy. The...
|
|
|
7488151 |
Vortical flow rotor
A rotor for use with a fluid flow generator or reactor, said rotor being rotatable about a central axis of the rotor and having a at least one vane arranged, in use, to induce a generally axial...
|
|
|
7476086 |
Tip cambered swept blade
A fan blade includes an airfoil having opposite pressure and suction sides extending in span between a root and tip, and extending in chord between opposite leading and trailing edges. From root...
|
|
|
7455497 |
High performance inducer
An improved high performance inducer for a pump assembly includes a set of primary blades and splitter blades to achieve a vapor-to-liquid ratio up to 1:1. Minimum back pressure is provided at the...
|
|
|
7396212 |
High efficiency twisted leaf blade ceiling fan
Twisted leaf shaped ceiling fan blades for low, medium and high speed operation of less than approximately 250 rpm. The novel blades twisted blades can be configured for 52″, 54″, 56″, 60″...
|
|
|
7377751 |
Cooling fan and shroud with modified profiles
A cooling system includes a cooling fan with an outlet and an inlet and a shroud surrounding at least a portion of the cooling fan. The cooling fan includes a plurality of fan blades, and each fan...
|
|
|
7374403 |
Low solidity turbofan
A turbofan includes a row of fan blades extending from a supporting disk inside an annular casing. Each blade includes an airfoil having opposite pressure and suction sides extending radially in...
|
|
|
7360995 |
Vertical 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...
|
|
|
7331764 |
High-strength low-weight fan blade assembly
An engine cooling fan system including a hub disc about which first and/or second pluralities of elongated fan blades characterized by a first and second respective pitch angles may be fastened....
|
|
|
7318619 |
Method and apparatus for reducing drag and noise for a vehicle
A body part including a surface having a fluid flow thereover. The body part also includes flocking coupled to at least a portion of the surface that adjusts an aerodynamic characteristic relative...
|
|
|
7284960 |
Fan blades
A fan blade comprises an airfoil having a generally elliptical top surface and a generally elliptical bottom surface. The fan blade has a lower radius of curvature toward its leading edge as...
|
|
|
7281898 |
Blowing apparatus for refrigerators
Disclosed herein is a blowing apparatus for refrigerators. The blowing apparatus includes a centrifugal fan. The centrifugal fan comprises a hub plate connected to a shaft of the motor, a plurality...
|
|
|
7278829 |
Gas turbine blade having a monocrystalline airfoil with a repair squealer tip, and repair method
A repaired gas turbine blade includes a turbine blade body having a monocrystalline airfoil made of a first nickel-base superalloy, and a repair squealer tip welded to a tip of the airfoil. The...
|
|
|
7273354 |
High efficiency axial fan
Disclosed is an axial fan ( 1 ) rotating in a plane (XY) about an axis ( 2 ) having a central hub ( 3 ) and a plurality of blades ( 4 ), which have a root ( 5 ) and a tip ( 6 ). The blades ( 4 )...
|
|
|
7252479 |
Rotor blade for a high speed rotary-wing aircraft
A main rotor blade exhibiting a unique planform shape in which the blade chord increases from the root end of the blade inboard region to the outer main region of the blade, where the blade chord...
|
|
|
7241104 |
Two phase flow conditioner for pumping gassy well fluid
A centrifugal pump pumps well fluid with a high gaseous content by conditioning the well fluid with a conditioning impeller and conditioning diffuser design for use with gaseous well fluid. The...
|
|
|
7210910 |
Enhancements to high efficiency ceiling fan
Twisted ceiling fan blades for low, medium and high speed operation of less than approximately 250 rpm. The novel blades twisted blades can be configured for 60″ and 64″ diameter fans, and have...
|
|
|
7195460 |
Francis turbine
A Francis runner and a hydraulic turbine equipped with such a runner, wherein the runner includes a ceiling, a belt, and blades which extend between the ceiling and the belt and which define liquid...
|
|
|
7186092 |
Airfoil having improved impact and erosion resistance and method for preparing same
A turbine airfoil having an improved impact and erosion resistance. The airfoil comprises: (a) a base segment having an impact resistant leading edge section proximate to the leading edge...
|
|
|
7183939 |
Shining fan structure for displaying images
A shining fan structure for displaying images of patterns or characters by reflection mainly includes a fan. A plurality of blades of the fan are provided with reflective patterns or characters....
|
|
|
7176812 |
Wireless blade monitoring system and process
The present invention can be generally described as a blade monitoring and wireless communications system. This monitoring and communications system is formed by the integration of commonly...
|
|
|
7153098 |
Attachment for a bladed rotor
Rotor blades 40 for a bladed rotor feature an attachment 44 that improves the energy absorption capability of a snap ring 60 used as one component of a blade axial retention system. The...
|
|
|
7137706 |
Fan apparatus, method of manufacturing fan apparatus, projection type display device and electronic device
With a trend toward a higher intensity projection type liquid crystal display device to further increase brightness of a projection screen, rated input power of a light source lamp increases, which...
|
|
|
7131812 |
Sky turbine that is mounted on a city
A sky turbine, having impeller blades with a plurality of panels that can telescope inward and outward. The pitch of the panels can be adjusted, and the pitch of each panel on a blade, passing from...
|
|
|
7107886 |
Production of disc components
A disc component for a gas turbine engine is produced from a workpiece by a sequence of machining operations. During the machining operations, the workpiece is supported by a fixture engaging...
|
|
|
7096712 |
Material testing system for turbines
The wear resistance of impellers used in multi-stage turbine pumps is tested by using a multi-stage turbine pump having impellers with different physical properties to pump a fluid containing small...
|
|
|
7083383 |
Segmented rotor blade trim tab
A trim tab assembly for a helicopter rotor blade includes a plurality of metal panels that are secured to the trailing edge of a composite material helicopter blade. Each of the metal panels can be...
|
|
|
7063508 |
Turbine rotor blade
A trailing edge of a turbine rotor blade is formed so that a deflection angle of a blade surface in a downstream side of a maximum blade thickness portion is a predetermined value or less, by...
|
|
|
7052237 |
Turbine blade and turbine
The pressure distribution curve of the blade suction-side surface excluding the leading edge portion and the trailing edge portion drops in two stages in the area from the leading edge to the...
|
|
|
7037080 |
Method of constructing a fan blade
An improved fan blade is constructed from a series of wooden slats. Holes are drilled through the wooden slats and a dowel is placed through each of the holes. The dowel is preferably a wooden rod...
|
|
|
7021890 |
Turbo pump
In order to provide a high-head, large-delivery turbopump adapted for excellent suction performance and foreign matter passability by having characteristics of an inducer, axial flow vanes, and...
|
|
|
7007383 |
Methods for forming dovetails for turbine buckets
A dovetail preform having linearly extending hooks and slots is finished to provide arcuate slots and hooks for securement of the finished bucket dovetail to a correspondingly-shaped dovetail of a...
|
|
|
6997682 |
Cool air circulation type axial flow fan for refrigerator
Disclosed herein is a cool air circulation type axial flow fan for a refrigerator. The fan comprises a plurality of spaced blades mounted on the outer circumference of a hub for blowing cool air to...
|
|
|
6986644 |
Hard material impeller and methods and apparatus for construction
Methods of producing impeller castings from very hard materials are disclosed in which the formation of a selectively configured core produces an impeller casting that does not need to be machined...
|