Matches 1 - 37 out of 37


Match Document Document Title
8182228 Turbine blade having midspan shroud with recessed wear pad and methods for manufacture  
A durable blade, a method of manufacturing it and a method of repairing blades are described and claimed. Durable blade includes an airfoil having a pressure side and a suction side, a midspan...
8105038 Steam turbine, and intermediate support structure for holding row of long moving blades therein  
A row of moving blades for a steam turbine has moving blades elongated radially which are arranged peripherally around and secured to a turbine rotor. The row also has an intermediate support...
7713028 Turbine blade assembly  
A turbine blade assembly has a plurality of blades mounted on a central rotor. Each of the blades has a proximal section and a variable pitch section. A number of stays extend in groups from the...
7591594 Turbomachine with a compact roller bearing  
A turbomachine roller bearing that supports a shaft constituted by a trunnion of a shaft line of a high-pressure spool of a turbomachine to rotate relative to a stationary support that is connected...
7494320 Rotor for passively stable helicopter  
A rotor (10) that enables an aircraft to become passively stable in hover. The inner part of the rotor blades (11) have a pitch angle fixed relative to a reference plane perpendicular to the rotor...
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...
6884035 Fan blade attachment  
A ceiling fan comprising a plurality of fan blades, each positioned in a slot of a corresponding bracket attached to a rotatable hub. For each fan blade, a brace connects a mid-section of the fan...
6514052 Two sided radial fan for motor cooling  
A two sided radial fan draws cooling air into axially opposite ends of a dynamoelectric device drawing the flow of air into one axial end of the device and directing the flow of air over the device...
6406263 Gas turbine shaft pilot system with separate pilot rings  
A turbine assembly comprising a first rotatable component having a first lip with a first axial facing surface and a second rotatable component having a second lip with a second axial facing...
6102661 Propeller with annular connecting element interconnecting tips of blades  
A propeller (10) including a hub (11), a plurality of blades (13) extending outwardly from the hub (11) and part annular connecting elements (17) which interconnect tips (16) of adjacent blades...
6082970 Vibration attenuation arrangement for rotor blades  
An arrangement for attenuating vibrations of blades attached to a peripheral surface of a rotor of an axial turbine. A through hole is formed in each rotor blade in a generally thickness direction...
6024536 Device for introducing and discharging cooling air  
The object of the invention is to prevent the quantity of airflow by a fan from decreasing in dependence on the distance between the fan and obstacles such as an engine in a device for introducing...
6004097 Coal mill exhauster fan  
An improved coal mill exhauster fan having an elongated, conical hub welded to the blades and engaging the rear shroud plate to eliminate air gaps along the rear of the fan assembly and to assist...
5984638 Turbomachine radial impeller vibration constraining and damping mechanism  
A compressor blade vibration reduction mechanism for a high-speed radial impeller for minimizing fatigue failures from various excitation sources. The vibration reduction mechanism includes a...
5941688 Fibre-reinforced rotor stage for a turbomachine  
A turbomachine rotor stage having a thin annular body comprising a metal alloy part reinforced by at least one fibrous ring which has a radial height h of at least 1.5 times its axial width l and...
5829956 Fan blade assembly  
A fan blade assembly having a plurality of arranged about a central hub having an axis of rotation, the blades projecting from the hub radially outward from the axis of rotation. Each blade has a...
5823749 Vertical-axis wind turbine with two-phase sails  
A vertical axis wind turbine of the type having collapsible fabric sails (10) that reside on the rim of a horizontally disposed square rotor wheel (12,14) supported on a pivotally operated vertical...
5800128 Fan with individual flow segments connected to a hub with a prefabricated thermoplastic strip  
This fan is provided with an impeller (1), having a hub (2), and with a casing surrounding the impeller (1). The impeller (1) has individual flow segments (4) connected to the hub (2) and to one...
5542819 Ceiling fan safety tether  
A ceiling fan safety tether to be used with a conventional ceiling fan. The ceiling fan safety tether retains a fan blade in close proximity to the fan motor thereby preventing the fan blade from...
5531567 Vertical axis wind turbine with blade tensioner  
A Darrieus-type vertical axis wind turbine with tensioned blades is disclosed, along with various mechanisms for tensioning the blades. When the wind turbine is stationary in high wind conditions,...
5385448 Propeller shaped agitator  
A multibladed propeller shaped agitator includes a plurality of impellers having made blades, blade roots and hub segments made of plastic material. A metallic hub element is inlaid only in the hub...
4509238 Method for fabricating a steam turbine diaphragm  
Blades in the steam path of a steam turbine diaphragm are assembled into slots in full circular bands and are structurally bonded thereto by welding. After stress relief, the bands are each...
4118144 Support means for a windmill  
Apparatus for deriving a rotational motion from air currents including first and second coaxial annular members spaced from each other along their axes by axial struts and a plurality of blade...
4036916 Wind driven electric power generator  
A wind driven electric power generator having a shroud arranged in a path of fluid flow. Within the shroud is disposed a stationary shaft supporting a wind generator assembly. The shroud can be the...
4029435 Retractable blade for a helicopter rotor  
A helicopter rotor having retractable blades each having a three dimensional truss including flexible cables which connect a blade member with a pitch member directly secured to a rotor hub, the...
4028005 Impeller blade reinforcement  
A drum-type impeller for a centrifugal blower is provided with reinforcement against damage by centrifugal force at high peripheral speeds by reinforcing means such as gussets or rods running from...
3942839 Spoked wheel and method of making same  
A spoked wheel and method of making same including a peripheral rim, a central hub and a plurality of spokes interconnecting the hub and rim in which the hub is provided with spaced flanges...
3706512 COMPRESSOR BLADES  
An improved thin, plate-like, compressor blade having stiffening ribs on its airfoil surfaces extending from or adjacent the leading edge of the blade toward the trailing edge and being positioned...
3649133 ROTOR BLADE COUPLER ARRANGEMENT  
Rotor blade vibrations in an axial flow elastic fluid machine are controlled by mechanically connecting all the blades in an annular row of blades. The blades are connected by means of links...
3640640 FLUID FLOW MACHINE  
The invention concerns a fluid flow machine having a support member, a plurality of angularly spaced-apart blades each of which is mounted in the support member for limited pivotal movement, and...
3589647 ANTITORQUE AND PROPULSION ROTOR  
A combined antitorque and propulsion rotor for use in vertical lift aircraft of the helicopter type, such as compound helicopters or convertiplanes. The rotor comprises coned, rigid blades...
3470962 ROTOR HEADS FOR ROTARY WING AIRCRAFT  
3130899 Blower  
3098723 Novel structural composite material  
2889107 Fluid rotor construction  
2884186 Rotor construction for axial flow compressors  
2873088 Lightweight rotor construction  
Matches 1 - 37 out of 37