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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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.
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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...
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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...
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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...
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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...
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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...
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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...
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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....
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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...
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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...
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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...
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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...
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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...
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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...
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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,...
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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...
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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...
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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...
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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...
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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...
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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...
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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 (...
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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...
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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...
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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...
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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...
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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...
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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...
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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;...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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