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Walt Disney was no Mickey Mouse inventor. He devised a serious animation camera which he patented. With the device, his company created "Snow White".
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| Number | Title | Issue Date |
| 8011891 | Centrifugal multiblade fan A centrifugal multiblade fan according to the present invention sucks air from one end side of an axial direction of a rotation axis to a radial inside, and blows the air to a radial outside. The centrifugal multiblade fan includes a plurality of blades located arou... | 09/06/2011 |
| 7559745 | Tip clearance centrifugal compressor impeller An impeller includes first and second impeller portions that are secured to one another. An interior cavity is formed between the first and second portions. The first impeller portion supports multiple blades. The first and second impeller portions respectively incl... | 07/14/2009 |
| 7517193 | Centrifugal compressor and manufacturing method for impeller On a suction surface side of a blade in an impeller, a convex portion is formed to assume a curved line from a front edge portion to a throat portion substantially in the middle in a radial direction, and this convex portion is formed to be flat assuming a curved li... | 04/14/2009 |
| 7476082 | Vane and/or blade for noise control Exemplary turbine blade outer edges, exemplary vane inner edges, exemplary systems and exemplary methods are disclosed that help to reduce noise in variable geometry turbines and optionally other turbines wherein a turbine blade interacts with an object. Other exemp... | 01/13/2009 |
| 7452187 | Compressor with large diameter shrouded three dimensional impeller A compressor having a defined large diameter impeller having an integral shroud and having a three dimensional gas flow path defined by the impeller hub surface, blades and the shroud and having a large axially oriented inlet or inducer section with aggressive induc... | 11/18/2008 |
| 7431563 | Wheel A wheel (10) comprises a main body (12) and is provided with at least one reinforcing structure (14) which increases the strength of the wheel (10). The reinforcing structure (14) is at least partially integrated inside the main bo... | 10/07/2008 |
| 7320636 | Exhaust fan assembly having flexible coupling An exhaust assembly is provided for expelling contaminated air from a building. The assembly includes a plenum, a fan assembly attached to the plenum, and a windband mounted on top of the fan assembly. The fan assembly is constructed of cylindrical outer and inner w... | 01/22/2008 |
| 7318703 | Impeller for a pump An impeller for a pump, particularly for a cooling water pump of an internal combustion engine, includes a hub (11), a cover disc (14) which is disposed on the intake side and is provided with a central opening (15) for sucking in a conveyed med... | 01/15/2008 |
| 7305762 | Method for production of a rotor of a centrifugal compressor An improved method for production of a rotor (10) of a centrifugal compressor, wherein the rotor (10) is produced from a monolithic disc; this disc is worked in a radial direction by at least one tool (20) of a numerical control machine, such as... | 12/11/2007 |
| 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 an impeller defining at least one flow channel and a shroud defining ... | 09/25/2007 |
| 7249571 | Aquarium having improved filtration system An aquarium which includes a tank having a pump and an under gravel filter disposed in the tank below the pump. The under gravel filter includes a hollow bubble dispersing base plate having a perforated top surface and an overlying substrate. An air conduit is provi... | 07/31/2007 |
| 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 inlet side of the pumping medium, following a sinusoidal path with a ... | 07/10/2007 |
| 7210904 | Runner blade for low specific speed Francis turbine A runner for use as retrofit in existing Francis turbine water path includes a set of nine profiles covering crown (hub) to skirt (band) area is to produce power efficently at deteriorated head condition of site. Each of the nine profiles is made of two curves, name... | 05/01/2007 |
| 7198470 | Francis turbine A Francis turbine with an improved shape of blades, which can reduce cavitations generated on the surface of the blades or reduce the secondary flow around the blades, is provided. A Francis turbine comprises a rotating shaft, a crown, a plurality of blades, and a b... | 04/03/2007 |
| 7147433 | Profiled blades for turbocharger turbines, compressors, and the like A rotor and an apparatus including a rotor are provided. For example, the apparatus can be a turbine or compressor having a housing in which the rotor rotates while gas is circulated therethrough. The rotor has a plurality of radially extending blades, and each blad... | 12/12/2006 |
| 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 a top opening. The top wall extends outwardly to a lateral edge and ... | 12/12/2006 |
| 7144217 | Molten metal pump particle passage system A molten metal pump system which includes a particle relief passageway between the vanes on the impeller and the pump base, the particle relief passageway being a predetermined size to allow particles of a predetermined size to pass between the plurality of vanes an... | 12/05/2006 |
| 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 blades radially arranged on a front face of the rotating plate and in... | 10/17/2006 |
| 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 of the inlet cone and includes a centrally d... | 05/23/2006 |
| 7011501 | Energy generating system A system (1) designed to generate energy with the aid of, primarily, sea currents, comprising a rotation body (4) having a front inlet side (2) and a rear outlet side (3), and at least one transfer member (6) connected between the ... | 03/14/2006 |
| 7008189 | Centrifugal fan A centrifugal fan and a rotor for a centrifugal fan comprising axial blades, straight blades, and a hub having a radius that increases as a function of distance from the fan inlet. ... | 03/07/2006 |
| 6957947 | Hydroelectric turbine A hydroelectric turbine anchored in a body of water which produces electricity directly from its housing. The turbine is in and of itself a generator whose housing is its stator and whose blade it its rotor. ... | 10/25/2005 |
| 6942459 | Modified centrifugal fan wheel The modified centrifugal fan wheel comprises a hollow hub and a set of blade. A hollow hub axis is disposed at the center of a hollow portion of the hollow hub. Along a top side surface of the hollow hub is a curved guiding inlet part and along a bottom side surface... | 09/13/2005 |
| 6926494 | Hydraulic turbine with increased power capacities A hydraulic turbine with increased power capacities for new or existing hydroelectric installations. The turbine has a larger axial runner wheel and a reshaped runner ring peripherally extending around the runner wheel. A draft tube with a larger elbow section exten... | 08/09/2005 |
| 6910861 | Turbomolecular vacuum pump with the rotor and stator vanes A turbomolecular vacuum pump (1) has an inlet (3) and an outlet (4) and rotor and stator vanes (5 and 6), situated between the inlet and outlet. The rotor vanes (6) have front sides (11) and rear sides (12) in ... | 06/28/2005 |
| 6905310 | Impeller for centrifugal compressors In an impeller for centrifugal compressors comprising a plurality of blades each having a base end attached to a central hub, each of the blades is given with a thickness which increases progressively toward a hub end thereof, and a suction surface side of the blade... | 06/14/2005 |
| 6904949 | Method of making turbocharger including cast titanium compressor wheel A method of making an air boost device, wherein a compressor wheel incorporated therein is re-designed to permit die inserts (20), which occupy the air passage and define the blades (4, 5) during a process of forming a wax pattern (21) of a comp... | 06/14/2005 |
| 6877955 | Mixed flow turbine and mixed flow turbine rotor blade A mixed flow turbine includes a hub attached to a rotation axis and a plurality of rotor blades. Each of the plurality of rotor blades is attached to the hub in a radial direction, and the hub is rotated based on fluid supplied to a rotation region of the plurality ... | 04/12/2005 |
| 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 motor at its center, a plurality of blades radially disposed at and ... | 06/08/2004 |
| 6742989 | Structures of turbine scroll and blades The improvements are made in the turbine scroll and the turbine blades. The scroll structure for the radial turbines is characterized by the foregoing scroll having a scroll width ratio between the width in the radial direction (ΔR) and the width in the direction o... | 06/01/2004 |
| 6663347 | Cast titanium compressor wheel A compressor wheel is re-designed to permit die inserts (20), which occupy the air passage and define the blades (4, 5) during a process of forming a wax pattern (21) of a compressor wheel, to be pulled without being impeded by the blades. This modified b... | 12/16/2003 |
| 6629818 | Impeller for use with portable blower/vacuums An impeller for generating an air flow, for use in a device such as a blower/vacuum, the impeller having a hub structure for mounting the impeller on a rotatable shaft of the blower/vac and a plurality of air-flow generating vanes coupled to the hub struc... | 10/07/2003 |
| 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 let-in structures. Via the let-in structures, it is easil... | 09/16/2003 |
| 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 plurality of passageways therebetween which are separated ... | 08/26/2003 |
| 6568905 | Fan wheel structure for a blower fan A fan wheel structure comprises an annular wall, a central shaft extending along a central axis of the annular wall, an annular bottom plate extending outward from a bottom of the annular wall, and plural blades provided on the bottom plate. A joint area ... | 05/27/2003 |
| 6454533 | Hollow blade for hydraulic turbine or pump A runner for a hydraulic turbine or pump includes a hub and a plurality of blades extending from the hub at spaced intervals therearound. Each blade includes an inner edge secured to the hub and a distal outer edge, a leading edge and an opposed trailing ... | 09/24/2002 |
| 6413049 | Axial fan To provide an axial fan of a high performance at a low cost and with a high fan efficiency. An axial fan comprising a frusto-conical ring disposed on the downstream side of the fan. The frusto-conical ring is so mounted integrally with a fan boss on the o... | 07/02/2002 |
| 6398498 | Impeller for water pumps There is disclosed herein an impeller for a centrifugal pump such as water pumps for automotive internal combustion engines or a centrifugal pump for liquids other than water. The impeller has a circular base and a series of similar vanes extending vertic... | 06/04/2002 |
| 6390768 | Pump impeller and related components A pump impeller and related components for pumping water, sewage or other pumped material from one location to another is disclosed. The pump impeller includes a core member having a back face, a front face, and a central bore extending therebetween. A fi... | 05/21/2002 |
| 6343909 | Centrifugal pump A centrifugal pump with an impeller which has a single helically-formed blade and which is not sensitive to sand abrasion or seizing of the impeller is achieved by providing the impeller (1) with a shielding plate (3) arranged on the suction side which tr... | 02/05/2002 |
