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Class 416/241A - Plastic or synthetic material


Subclass of Class 416 - Fluid reaction surfaces (i.e., impellers)
No. of patents: 285
Last issue date: 12/27/2011


1                
NumberTitleIssue Date
8083491Wind turbine blade
A wind turbine blade (11) having an aerodynamic profile with a leading edge (13), a trailing edge (15) and suction and pressure sides (17, 19) between the leading edge (13) and the trailing edge (15), wherein the pressure si...
12/27/2011
7442010Impeller, in particular for an axial fan
An impeller for an axial fan of the type adapted to be pressed onto a rotating rotor comprising a number of blades. The blades protrude radially outward from a substantially tubular hub, which carries the blades and is adapted to be pressed onto the rotating rotor. ...
10/28/2008
7438529Compressor and turbine wheel for a secondary air feed device
In a compressor and turbine wheel for a secondary air feed device formed as a single component, a rotor which includes a center disc structure consisting of at least two discs of different materials is provided at one side with compressor blades and on the opposite ...
10/21/2008
7427189Wind turbine rotor blade
A wind turbine rotor blade includes a pressure side sparcap having a carbon fiber reinforced section extending substantially a full longitudinal length of the pressure side sparcap and a suction side sparcap having a glass fiber reinforced section extending substant...
09/23/2008
7410701Component for rotary machine and rotary machine
A coating layer is provided on a surface of the moving blades of a rotary machine. The coating layer includes a spray layer on the base material of the moving blades and a fluorocarbon resin layer on the spray layer. The spray layer is porous. The fluorocarbon resin...
08/12/2008
7410342Airfoil support
A blade or a vane preferably used in a gas turbine engine, the blade or vane being formed of a metallic core or insert with a ceramic airfoil surface bonded to the metallic insert. The insert includes a series of concave and convex portions arranged along the outer ...
08/12/2008
7404700Turbine airfoil with fibrous reinforced TBC
An airfoil used in a gas turbine engine exposed to high temperatures, the airfoil having a TBC layer that includes fibers of reinforcing material to add strength to the layer of TBC. The fibers are made from a similar material in which the airfoil is made from to wi...
07/29/2008
7393181Expandable impeller pump
An impeller according to an example of the present invention comprises a hub, and at least one blade supported by the hub. The impeller has a deployed configuration in which the blade extends away from the hub, and a stored configuration in which the impeller is rad...
07/01/2008
7374404Methods and apparatus for gas turbine engines
A method for assembling a turbine engine to facilitate preventing ice accumulation on the turbine engine during engine operation, the gas turbine engine including a fan assembly. The method includes coupling a plurality of fan blades to a fan rotor, and applying a p...
05/20/2008
7363885Combustion engine having unitary structure of cooling fan and starter pulley
A combustion engine according to the present invention has a unitary fan-pulley assembly (F), in which a cooling fan (8) and a starter pulley (9) are formed integrally with each other. The cooling fan (8) is fixed to a crankshaft (1). The...
04/29/2008
7360997Vibration damper coating
A coated fan rotor blade and method for coating a fan rotor blade. The coated fan rotor blade includes a fan rotor blade; and a coating disposed on said fan rotor blade. The coating comprises a binder; and a filler made up of a plurality of particles. The filler mat...
04/22/2008
7334997Hybrid blisk
A rotor assembly or “blisk” for a gas turbine engine includes a metallic hub having an annular flowpath surface, and at least one blade extending outwardly from the flowpath surface. The blade includes a metallic body having a first density. The metallic body de...
02/26/2008
7322798High structural efficiency blades and devices using same
A blade for a rotor has integral stiffeners with at least one of unidirectional caps configured to carry blade bending loads in axial tension or webs to carry transverse shear resulting from blade bending. ...
01/29/2008
7316502Mixing blade, blending apparatus, and method of mixing
A blade for mixing a material includes a disk comprising a plastic or composite material. The disk may have one or more circumferentially-spaced openings extending through the disk from a substantially flat top surface to a substantially flat bottom surface. The ope...
01/08/2008
7311500Turbomachine blade
A turbomachine blade comprising a root portion and an aerofoil portion, the aerofoil portion having a leading edge, a trailing edge, a concave metal wall portion extending from the leading edge to the trailing edge and a convex metal wall portion extending from the ...
12/25/2007
7264446Centrifugal-fan impeller, and method of its manufacture
A tiny-diameter, lengthwise extensive impeller utilized in an ultra-small centrifugal fan is molded by an injection molding operation. In order to avert difficulties attendant on injection-molding ultra-miniature parts, the thickness and length of a reinforcing ring...
09/04/2007
7251952Air chiller unit
The invention provides an improved air chiller unit mounted on an aircraft for sending cooled air to service carts for serving meals. An air chiller unit is equipped with a refrigeration cycle unit disposed on a casing. The refrigeration cycle unit is equipped with ...
08/07/2007
7234657Pump impeller and chopper plate for a centrifugal pump
A centrifugal pump of the chopper type is disclosed which is structured with a chopper plate and impeller that are configured with an open eye or “hubless” arrangement such that processing of solids through the pump does not result in clogging of solids at or ne...
06/26/2007
7217099Coated forward stub shaft dovetail slot
A compressor forward stub shaft comprising a plurality of axially spaced, annular rows of dovetail grooves, at least a first and a second of the plurality of rows having dovetail slots coated in part with an anti-wear coating. ...
05/15/2007
7204326Drilling turbine
A turbine is disclosed which includes a turbine blade housing having an inner facing portion of a first material having a first coefficient of expansion, and a turbine blade body having an outer facing portion of a second coefficient of expansion greater than said f...
04/17/2007
7168923Alternator fan
The invention is a fan for an alternator adapted to be coupled in rotation to the alternator rotor, and being of the type comprising a wheel part and a plurality of fan blades (47, 48) extending from the latter, the fan being moulded in a plastics material on...
01/30/2007
7165946Low-mid turbine temperature abradable coating
In order to minimize a clearance between a turbine and its housing, and thus, improve the efficiency of a turbine engine, an abradable coating can be applied to an inner surface of the turbine housing. However, there are no known abradable coatings that can be appli...
01/23/2007
7165945Braided spar for a rotor blade and method of manufacture thereof
A braided rotor blade spar includes a tri-axle braid in which braided bias angled fibers are located non-parallel to a longitudinal axis of the spar. Zero degree fibers are located parallel to the axis and are positioned to be on the upper and lower surfaces of the ...
01/23/2007
7147437Mixed tuned hybrid blade related method
A steam turbine blade includes a shank portion and an airfoil portion. The airfoil portion is formed with at least one pocket filled with a polymer filler material chosen as a function of natural frequency impact on the turbine blade or as a function of the damping ...
12/12/2006
7146890Annular octagonal hand held pushing tool for use with cutting and abrasive tools
A hand held pushing tool for use with cutting and abrasive tools is formed as a planar disk. The disk has a first side surface, a second side surface, a first predetermined thickness and an outer peripheral edge. The outer peripheral edge has at least one notch. The...
12/12/2006
7144222Propeller
A propeller or propeller blade is manufactured using lattice block material to provide a structure which is generally hollow but for a three-dimensional lattice of support spars. The propeller or propeller blade, being predominately hollow, is substantially lighter ...
12/05/2006
7108485Reduction in the noise produced by a rotor blade of a wind turbine
Rotor blades for wind power installations are known in many different forms. In a wind power installation the rotors or the rotor blades thereof represent the main source of sound. For reasons relating to acceptance and noise prevention laws, the aim should/must be ...
09/19/2006
7104761Hybrid turbine blade and related method
A method of manufacturing a blade for assembly on a steam turbine rotor wheel includes forming an airfoil portion with plural pockets and filling the pockets with more than one filler material chosen as a function of required temperature capability. ...
09/12/2006
7101153Fabric fan blade and fan body trim
The conventional fan blade is replaced by a frame over which any of a wide range of decorative fabrics or other similar materials is drawn and secured by a clamping method to form a lightweight fan blade of any surface design desired by the user. The decorative fabr...
09/05/2006
7080797Pump impeller and chopper plate for a centrifugal pump
A centrifugal pump of the chopper type is disclosed which is structured with a chopper plate and impeller that are configured with an open eye or “hubless” arrangement such that processing of solids through the pump does not result in clogging of solids at or ne...
07/25/2006
7056092Modular propeller
A modular propeller comprises a center hub with an integrated front cap and an aluminum core encapsulated with fiber-reinforced composite polymer resin. A set of replaceable blades have bases that slip into and interlock with corresponding slots in the center hub. A...
06/06/2006
7040858Wind power generator, windmill, and spindle and blade of the windmill
A wind power generator has a windmill for rotating the generator. The windmill includes a main vertical shaft, a rotor, and a wind-receiving blade. The rotor, fixed horizontally at the upper end of the main vertical shaft, comprises a flywheel, and a plurality of wi...
05/09/2006
7008187Rotor for cooling pumps, in particular for marine engines and relevant manufacturing process
A rotor for cooling pumps is provided. The rotor is of the type which includes a core to be assembled on a shaft connected with an engine and a body, fitted in the core, provided with a plurality of radial tabs in flexible material. The core and the body with the ta...
03/07/2006
6960065Aerodynamic article with protective coating and method of bonding metal to polyurethane
To protect an article with an aerodynamic surface, such as an aeroplane propeller or helicopter rotor, from erosive damage caused by flying particulate matter, a thin elastomeric protective covering is provided. This layer covers approximately 15% of a forward face ...
11/01/2005
6887032Turbo/drag pump having a composite skirt
There is provided a rotor for a turbo/drag vacuum pump, the rotor comprising an upstream rotor segment of the turbine type made of metal or alloy, and a downstream rotor segment of Holweck type made of composite material. The downstream segment of the rotor has a re...
05/03/2005
6881033Impeller
An impeller includes a plastic disc, an annular array of vanes, a rotation support and regions of permanently magnetisable material. The plastic disc has an upper face and a lower face. The vanes are spaced around the periphery of the disc and extend from the upper ...
04/19/2005
6854960Segmented composite impeller/propeller arrangement and manufacturing method
In the embodiments described in the specification, an impeller is manufactured by providing a mold for one angular segment containing one vane of an impeller and corresponding hub and rim portions, injection-molding fiber-reinforced polymer composite resin material ...
02/15/2005
6854959Mixed tuned hybrid bucket and related method
A steam turbine rotor wheel includes a plurality of buckets secured about a circumferential periphery of the wheel, each bucket comprising a shank portion and an airfoil portion, the plurality of buckets including two groups of buckets having respective different pr...
02/15/2005
6830434Cooling fan
A cooling fan has a ring-shaped metal spacer, a boss of substantially a cylindrical shape made of a synthetic resin that is molded integrally with the spacer as an insert and lural blades that extend outwardly from the boss. A deep-drawn part is provided on an outer...
12/14/2004
6821087Flow-rectifying member and its unit and method for producing flow-rectifying member
A flow-rectifying member comprising a plurality of vanes, an outer platform and an inner platform for having a flow-rectifying function to a fluid flowing thereinto, which is integrally constituted by annularly connecting a plurality of flow-rectifying member units ...
11/23/2004
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