Did You Know...
...that a workman who left the soap mixing machine on too long was responsible for making Ivory Soap? He was so embarrassed by his mistake that he threw the mess in a stream. Imagine his dismay when the evidence of his error floated to the surface! Result: Ivory soap, the soap that floats.
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| Number | Title | Issue Date |
| 8118555 | Fluid-flow machine and rotor blade thereof A fluid-flow machine, especially for an aircraft engine, includes a rotor having rotor blades 3. The rotor blades 3 include, on a suction side 9, at least two zones of different surface finish, with one zone being positioned between a rotor blad... | 02/21/2012 |
| 7393182 | Composite tip shroud ring A gas turbine engine includes a tip shroud ring rotatably supported on a last stage blade assembly in a turbine. The tip shroud ring is formed entirely of a fiber reinforced ceramic matrix composite material to provide a very light weight tip shroud ring, but also a... | 07/01/2008 |
| 7377036 | Methods for tuning fuel injection assemblies for a gas turbine fuel nozzle A fuel nozzle assembly for a gas turbine includes a plurality of circumferentially spaced vanes with holes for flowing fuel from plenums within the vanes through holes in the vane walls for premixing with air. To tune the nozzle assembly, the holes are resized by re... | 05/27/2008 |
| 7374394 | Multifunctional back-flowing strong-suction blower A multifunctional back-flowing strong-suction blower exhibits low energy consumption, mass airflow, enhanced capability of handling polluted material, high efficiency, and low noise. The strong-suction blower may also reduce the risk of pollution and corrosion of th... | 05/20/2008 |
| 7329091 | Heat dissipation fans and housings therefor A heat dissipation fan and a housing thereof. The heat dissipation fan includes a housing and a plurality of blades. The housing includes an outer frame, a base, and a plurality of air-guiding elements. The base is disposed in the outer frame, supporting the blades ... | 02/12/2008 |
| 7316502 | Mixing 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 |
| 7314348 | Impeller for molten metal pump with reduced clogging One aspect of the invention is directed to an impeller made of a non-metallic, heat resistant material, comprising a generally cylindrical shaped body, first and second generally planar end faces and a side wall extending between the first and second faces. A plural... | 01/01/2008 |
| 7281896 | Fan and impeller thereof An impeller includes a hub and at least one blade. In this case, the hub has at least one balancing portion disposed on hub and arranged with respect to a center of the hub. The balancing portion has at least one corner. The blades are disposed around the hub. In ad... | 10/16/2007 |
| RE39787 | Blower A blower with the improved P-Q characteristics is provided. A blower comprising a shaft rotatably supported in a tubular casing, a cup shaped motor yoke 11 fixed to the shaft, and a body portion 15 of an impeller 14 comprising a large number of ... | 08/21/2007 |
| 7244094 | Low noise impeller pumps An impeller pump for a fluid includes a rotary impeller (10; 20) and a pump casing (4). The pump casing defines a first pump channel (51) and a second pump channel (71). The impeller is disposed within the pump casing and opposes to the f... | 07/17/2007 |
| 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 reference surface (7) arranged orthogonally to the axis... | 02/20/2007 |
| 7175384 | Centrifugal pump A centrifugal pump, the impeller (2) of the pump having one or more holes through the impeller adjacent to its hub. The hole or holes (7) are positioned between the vanes (3) of the impeller and closer to the hub than the periphery of the impell... | 02/13/2007 |
| 7147426 | Shockwave-induced boundary layer bleed An apparatus and method is provided for improving efficiency of a transonic gas turbine engine compressor by bleeding off a shockwave-induced boundary layer from the gas flow passage of the compressor using an array of bleed holes having a downstream edge aligned wi... | 12/12/2006 |
| 7086837 | Centrifugal blower fan It is the object of the present invention to provide a centrifugal blower fan capable of reducing a noise in an operating rotational speed range without degradation in blàwer performance. A centrifugal blower fan comprises a base plate, and a plurality of fan blade... | 08/08/2006 |
| 7070174 | Mixing apparatus for mixing gas in a closed reactor The invention relates to a mixing apparatus and a method for mixing gas in a closed mixing reactor, which uses gas as a process chemical with a high efficiency and where the content of pulverous solids in the solution is great. The aim is to obtain a flow in the rea... | 07/04/2006 |
| 7066712 | Turbofan and air conditioner having the turbofan A turbofan to reduce noise through a suppression of turbulent air flow at an outlet thereof and also to guide the air discharged from the outlet in a specific discharging direction, and an air conditioner equipped with the turbofan to improve an efficiency of a heat... | 06/27/2006 |
| RE39117 | Blower A blower with the improved P-Q characteristics is provided. A blower comprising a shaft rotatably supported in a tubular casing, a cup shaped motor yoke 11 fixed to the shaft, and a body portion 15 of an impeller 14 comprising a large number of ... | 06/06/2006 |
| 7014426 | Brazed aluminum turbine for an automotive transmission and method thereof The invention provides a high-strength stamped aluminum brazed turbine for use in an automotive transmission torque converter, and a method therefor. The method includes stamping aluminum inner and outer shells each having a plurality of slots, and stamping a plural... | 03/21/2006 |
| 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 |
| 6979177 | Rotor assembly A rotor assembly includes a housing and a hub. The housing has an open end and an opposed closed end, and is formed with a raised portion in the central location of the closed end. The hub is mounted on the closed end of the housing and covers the housing except for... | 12/27/2005 |
| 6960063 | Vortex attractor without a 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 generates a vortical fluid flow generally in the form of a helical or spi... | 11/01/2005 |
| 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 |
| 6918741 | Molten metal pump impeller system An impeller system for use in a molten metal pump, the impeller system including a generally cylindrical outer wall with outlets therein, an impeller lid mounted on the impeller walls, the impeller lid including a plurality of inlets, with the shaft being mounted di... | 07/19/2005 |
| 6893207 | Impeller for gassy well fluid A centrifugal pump pumps well fluid with a high gaseous content by utilizing an impeller design for use in gaseous liquids. The impeller has high discharge angles and large balance holes. The impeller has short and long vanes alternating with each other. The shorter... | 05/17/2005 |
| 6881030 | Impeller for molten metal pump with reduced clogging One aspect of the invention is directed to an impeller made of a non-metallic, heat resistant material, comprising a generally cylindrical shaped body, first and second generally planar end faces and a side wall extending between the first and second faces. A plural... | 04/19/2005 |
| 6824350 | Hydrodynamic sealing system for centrifugal systems A hydrodynamic sealing system for centrifugal systems comprising a double, asymmetric impeller attached to a rotary shaft, a fixed housing that surrounds the double impeller, a fluid inlet (5) in an axial direction and a fluid outlet in a radial direction wit... | 11/30/2004 |
| 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 generates a vortical fluid flow generally in the form of a helical or spi... | 10/12/2004 |
| 6752590 | Water pump and impeller therefor A water pump (10) and impeller (30) for use in applications such as internal combustion engines. A plurality of holes (40, 44) are formed near the hub and periphery of the impeller (30) of the water pump to provide coolant flow through a ... | 06/22/2004 |
| 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 |
| 6676366 | Submersible pump impeller design for lifting gaseous fluid A gas-handling centrifugal pump has impellers for pumping gaseous materials containing up to 50% by volume free gas. The impellers have split vanes with high exit angles up to about 90 degrees and preferably greater than 50 degrees. The split vanes define... | 01/13/2004 |
| 6524066 | Impeller for molten metal pump with reduced clogging One aspect of the invention is directed to an impeller made of a non-metallic, heat resistant material, comprising a generally cylindrical shaped body having a central rotational axis, first and second generally planar end faces extending transverse to th... | 02/25/2003 |
| 6468039 | Molten metal pump impeller An impeller for a molten metal pump includes a base and a plurality of vanes having openings for flow of molten metal there through during pumping, Alternatively, or in combination with the vane openings, a single drain opening extending through the base ... | 10/22/2002 |
| 6464458 | Molten metal impeller An impeller for a molten metal pump having a cylindrical body comprised of a refractory material. The cylindrical body includes generally coplanar top and bottom surfaces. A central bore is provided in the top surface to provide a point for mating with a ... | 10/15/2002 |
| 6368056 | Stage in a submerged multiple-stage pump A multistage oil-well pump for pumping out formation fluid has a higher pressure head at low delivery rates and higher stability of performance when gas pockets are present in the medium being transferred. To this end, in the stage of a multistage submers... | 04/09/2002 |
| 6254340 | Molten metal impeller An impeller for a molten metal pump having a cylindrical body comprised of a refractory material. The cylindrical body includes generally coplanar top and bottom surfaces. A central bore is provided in the top surface to provide a point for mating with a ... | 07/03/2001 |
| 6164911 | Low aspect ratio compressor casing treatment A compressor for a gas turbine engine, comprising a casing having an inner surface defining a plurality of circumferentially spaced-apart grooves adjacent the tips of a row of rotor blades. Each groove as a depth which is less than half the width thereof ... | 12/26/2000 |
| 6123507 | Single port impeller A single port pump impeller includes two pump vanes diverging arcuately and radially from a suction eye to form one open expanding chamber, and includes a blocking wall for closing the remaining, opposite expanding chamber. The two vanes are contained wit... | 09/26/2000 |
| 5788457 | Drainage pump with a wall member connecting the outer edges of the radial blades A pump body 10 of a drainage pump 1A comprises a pump chamber 12, inlet 15, and outlet 17. A rotary vane 300 mounted in the pump body 10 is coupled to a motor mounted above the pump body 10, and comprises a shaft 310 and four large-radial blades 320. Form... | 08/04/1998 |
| 5785494 | Molten metal impeller An impeller for a molten metal pump having a cylindrical body comprised of a refractory material. The cylindrical body includes generally coplanar top and bottom surfaces. A central bore is provided in the top surface to provide a point for mating with a ... | 07/28/1998 |
| 5782605 | Impeller for separating a conveyed stream of material An impeller is for separating a conveyed stream of material. The impeller has a central rotatable hub with a plurality of blades extending radially therefrom. The hub and blades form a number of generally wedge-shaped material receiving spaces within the ... | 07/21/1998 |
