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Match Document Document Title
7614851 Centrifugal fans and impellers thereof  
A centrifugal fan is provided. A hub covers a driving device. An impeller surrounds the hub and includes a first blade set and a second blade set. The first blade set surrounds the hub and includes...
7549837 Impeller for centrifugal pump  
A centrifugal pump includes a rotatable shaft; and at lest one impeller attached to the rotatable shaft, wherein the at least one impeller includes a top plate, and a bottom plate, and a plurality...
7500830 System and method for pulverizing and extracting moisture  
A venturi receives incoming material through an inlet tube and subjects the material to pulverization. The material, as it undergoes pulverization, is further subject to moisture extraction and...
7481616 Centrifugal fan, cooling mechanism, and apparatus furnished with the cooling mechanism  
In a centrifugal fan the diameter of the impeller is rendered less than 20 mm, yet by rotating it under rotational conditions in which the centrifugal force along the impeller periphery is 10,000...
7470112 Split francis turbine runner  
A split runner for a Francis turbine has runner segments that are adapted to be joined together along confronting surface portions thereof to form a composite runner having a crown, a band and a...
7470107 Turbo blower structure  
A turbo blower, include an air hood provided with an air inlet and a turbine disposed within the air hood driven and rotated by a motor. The turbine consists of a plurality of guide vanes fitted...
7419358 Method and device for compensation of the thermal expansion of a cellular wheel sluice rotors  
A cellular wheel sluice for the feeding of hot bulk material with stabilization of the radial play between the web ends of the cellular wheel and the wall of the housing borehole by means of the...
7387496 Fan assembly and impeller thereof  
A fan assembly and impeller thereof. The fan assembly includes a plurality of blades and a hub. The hub includes an upper surface and a center point. The blades have bottom portions arranged in a...
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...
7273352 Inlet partial blades for structural integrity and performance  
Methods and apparatus for conveying fluids (e.g., liquids, gases, and mixtures thereof) are disclosed. A turbopump in accordance with an exemplary implementation of the present invention comprises...
7247001 Impeller  
An impeller ( 1 ) according to the present invention has a disk-like main plate ( 10 ), a blade ( 20 ) joined to the main plate, and a side plate ( 30 ) having a suction port. A boss hole ( 12 ) is...
7241114 Rotor for a centrifugal pump  
The invention relates to a rotor having at least three blades disposed between a front cover plate and a rear cover plate, the art of the suction edge of at least one blade, in the top view of the...
7214033 Blower fan  
A blower fan includes a shroud, a hub for guiding airflow being discharged, and a plurality of blades disposed between the shroud and the hub. A first outer diameter of a first portion, which is...
7210908 Hydraulic machine rotor  
Rotor blades of a hydraulic machine rotor are shaped such that the inlet edge and outlet edge of two adjacent rotor blades have varying profiles in different sections.
7207779 Impeller for radial-flow heat dissipating fan  
An impeller for a radial-flow heat dissipating fan includes a hub and a plurality of blades surrounding the hub. The blades are connected to a circumference of the hub to allow joint rotation of...
7198860 Ceramic tile insulation for gas turbine component  
Ceramic tile ( 32 ) insulation for protecting a substrate material ( 34 ) in a high temperature environment. A plurality of ceramic tiles ( 78 ) may be used in combination with a monolithic layer...
7195451 Radial out-flowing rotary ram-in compressor  
A radial out-flowing rotary ram-in compressor for use in gas turbine engines and the like, having a plurality of vanes attached to discs, with the opposing parts of each two adjacent vanes defining...
7179057 Velocity profile impeller vane  
In accordance with the present invention, an impeller for use in a centrifugal pump has at least one vane the radially outer terminal end of which is configured to produce a flow velocity profile...
7179050 Radial fan  
The invention relates to a radial fan with a casing and in it an axially placed wheel, wherein the casing has an axially placed air inlet, an exhaust ( 5 ), a bottom section ( 6 ) with a bottom...
7165938 Fan device for removing heat from heat sources  
A fan device includes a casing having a recess defined in a first side thereof so as to receive a fan unit therein, and a hole defined through a second side of the casing. An outlet is defined in a...
7163374 Blower fan structure  
Provided is an improved blower fan structure in which length of blades is increased and inlet and outlet angles of the blades are optimized for highly increasing an efficiency of the blower fan....
7146971 Impeller and a supercharger for an internal combustion engine  
An impeller for a supercharger for an internal combustion engine and a supercharger incorporating such an impeller is disclosed. The impeller includes a molded upper part having a top wall defining...
7121799 Turbofan and mold manufacturing the same  
A mold to mold an integral turbofan having a rotating plate joined to a drive motor, an outer ring concentrically disposed outside of the rotating plate with a spacing therebetween, a plurality of...
7048499 In-line centrifugal fan  
An inline centrifugal mixed flow fan ( 20 ) includes an axially extending intake conduit ( 22 ). An inlet cone ( 28 ) is disposed at an intake end ( 24 ). An impeller ( 30 ) is disposed downstream...
6991432 Labyrinth seal for fan assembly  
Attaching a labyrinth seal composed of wear-resistant material to the surfaces of rotating equipment subject to wear can increase the life of the rotating equipment and reduce down-time for...
6976828 Centrifugal wheel  
A centrifugal compressor wheel including a metal hub ( 2 ) for connecting to a drive shaft ( 3 ), an inlet plate ( 4 ) and an outlet plate ( 5 ) fixed to the metal hub ( 2 ), and a plurality of...
6974305 Roto-dynamic fluidic systems  
An apparatus and method for generating cavitation in fluids is disclosed. The apparatus includes a housing for receiving a rotor, which is driven by a motive force. Multiple embodiments of the...
6945753 Smoke exhauster having improved fan device  
A smoke exhauster includes a motor attached to a housing, and a fan device attached to the motor and to be driven by the motor. The fan device including an upper plate, a lower plate having a bore,...
6929452 Plenum fan banding  
Plenum fan banding that effectively changes the width of the fan blades in a plenum fan for a HVAC unit. A removable and replaceable band attaches to the back of a fan wheel of the plenum fan so...
6921242 Centrifugal slurry pump  
An apparatus and method for a slurry pump having improved erosion characteristics. The pump comprises a rotatable impeller having at least one impeller vane, an impeller shroud having an inlet for...
6893218 Centrifugal blower unit  
In a centrifugal blower unit for an inside and outside air double-layer flow type vehicular air conditioner, a centrifugal fan includes a first fan and a second fan. The first fan and the second...
6866481 Ventilator having an optimum fan structure  
A ventilator fan structure includes a disk-shaped seat, an annular plate, and a plurality of blades. Each of the blades is arranged in an oblique manner along a rotational direction of the fan...
6860631 Surface aeration impeller designs  
A surface aeration impeller for use in a liquid filled tank. The impeller is rotatable about an axis perpendicular to the static liquid surface. The impeller has a plurality of blades mounted on...
6848887 Turbofan and mold thereof  
Disclosed is a turbofan which includes a hub coupled with a rotational shaft of a driving device, a plurality of blades installed at a circumference of the hub radially, and a shroud at an opposite...
6837677 Impeller sealing arrangement  
A seal arrangement for an impeller assembly, the impeller assembly including an impeller housing ( 34 ) adapted to receive a drive shaft. An impeller ( 10 ) is located within the impeller housing (...
6802693 Vortex attractor with vanes attached to containing ring and backplate  
A vortex generating apparatus has the capability of attracting and removably adhering one or more solid objects. The apparatus comprises an impeller housed within a shell. The vortex attractor...
6755615 High efficiency one-piece centrifugal blower  
The arrangement features a centrifugal impeller that exhibits relatively high operating efficiency and high pressure capability, and can be easily constructed as a single piece. The arrangement is...
6752597 Duplex shear force rotor  
A single or multi-stage centrifugal pump or mixer duplex shear force rotor. The rotor is circular and consists of two non-parallel shrouds with inner, opposing faces. The driven shroud contains a...
6746210 Turbofan and mold used to manufacture the same  
A turbofan and a mold used to manufacture the same, which enables the turbofan to be integrally molded by a single molding process. The turbofan has a rotating plate coupled to a shaft of a driving...
6739835 Blade part in turbofan  
A blade part in a turbofan includes a hub coupled with a rotating axis of a driving part, a plurality of blades arranged radially at a circumferential part of the hub, and a shroud coupled with a...
6695584 Turbo fan  
A turbo fan comprises: a hub coupled to a rotational shaft of a driving device; a plurality of blades installed on an outer circumference of the hub in a radial direction; and a shroud connected to...
6685433 Turbofan for window-type air conditioner  
A turbofan for a window-type air conditioner which includes a hub, seven to eleven blades located at a predetermined separation from the hub and gradually narrowed in their width toward the hub;...
6634855 Impeller and fan incorporating same  
An impeller having an axis about which the impeller is rotatable in a working direction of rotation A, with a plurality of aerofoil blades spaced from and arranged about the axis; the inwardly...
6632071 Blower impeller and method of lofting their blade shapes  
A blower impeller employing curved radial blades defining an arc chord of 60 degrees, which circulate the air entering the circulation section to tangentially force the same through an exhaust...
6619923 Integrated 3-D blade structure  
An integrated 3-D blade structure which consists of at least two integrated pieces made by one-time shaping. Each integrated piece has a plurality of shorter 3-D curved-face blades and the relative...
6609300 Pump impeller and method  
A pump impeller which is modified so as to achieve selected operating performance parameters. The impeller includes a front shroud and a rear shroud, the shrouds being spaced apart so as to form a...
6604906 Centrifugal multiblade blower  
A centrifugal multiblade blower includes a first counter-flow prevention means that prevents part of air flowing through a scroll chamber from flowing through a first aperture defined between a...
6595753 Vortex attractor  
A vortex generating apparatus has the capability of attracting and removably adhering one or more solid objects. The apparatus comprises an impeller housed within a shell. The vortex attractor...
6558120 Turbo fan of a ceiling-embedded cassette type air conditioner having an improved structure  
A turbo fan of a ceiling-embedded cassette type air conditioner. The turbo fan has a shroud for guiding a fluid introduced into the turbo fan, a hub having an outer diameter smaller than an inner...
6551059 Radial blower, in particular, for a breathing apparatus  
A radial blower, in particular, for a breathing apparatus, has a blower housing with a central, axial intake opening and a radial or approximately tangential outlet opening as well as a...
Matches 1 - 50 out of 303 1 2 3 4 5 6 7 >