Bizarre Patents
Wearable Device For Feeding and Observing Birds and Other Flying Animals
A device for feeding and observing flying animals comprising a hat, a support mounted on the hat and extending outward from the hat, and a feeder mounted on the support.
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| Number | Title | Issue Date |
| 8147208 | Axially segmented impeller An impeller with an axial inlet in relation to an impeller axis for pressurizing a fluid has: a nose section that has a nose section central hub and multiple nose vane sections, each nose vane section extending from a leading edge to a generally radial nose section ... | 04/03/2012 |
| 8147207 | Compressor blade having a ratio of leading edge sweep to leading edge dihedral in a range of 1:1 to 3:1 along the radially outer portion An airfoil for use as rotor blades in compressors for turbomachines, such as gas turbine engines. The airfoil includes increased forward sweep and forward dihedral effective to reduce losses generated by interaction of tip clearance flow, secondary flows and passage... | 04/03/2012 |
| 8100663 | Rotor blade for a wind power plant The invention concerns a rotor blade of a wind power installation and a wind power installation. One advantage of the present invention is to provide a rotor blade having a rotor blade profile, and a wind power installation, which has better efficiency than hitherto... | 01/24/2012 |
| 7959413 | Fan and impeller thereof A fan includes an impeller and a motor. The impeller includes a hub and a plurality of blades. The hub has a top portion, a connection portion, and at least one airflow-guiding portion. The top portion is connected to the connection portion. The blades are disposed ... | 06/14/2011 |
| 7914261 | Rotor blade for a wind power plant The invention concerns a rotor blade of a wind power installation and a wind power installation. One advantage of the present invention is to provide a rotor blade having a rotor blade profile, and a wind power installation, which has better efficiency than hitherto... | 03/29/2011 |
| 7597543 | Impeller and fluid pump having the same An impeller includes vane grooves arranged with respect to the rotative direction. At least the radially inner side of a back surface of each vane groove is radially outwardly inclined backwardly with respect to the rotative direction. The back surface has a radiall... | 10/06/2009 |
| 7448856 | Fan A fan assembly has a central metallic element and a polymeric fan. The polymeric fan has a hub carrying the central metallic element and has a plurality of blades extending from the hub. The central metallic element has a central longitudinal aperture and a lateral ... | 11/11/2008 |
| 7442010 | Impeller, 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 |
| 7419359 | Axial impeller with enhance flow An axial impeller (1), with enhanced flow, rotating in a plane (XY) about an axis (2) comprises a central hub (3), whose diameter is smaller than the diameter of the drive motor (3a), a plurality of blades (4) having a base ... | 09/02/2008 |
| 7399159 | Detachable leading edge for airfoils The airfoil of fan/compressor and turbine rotors is constructed to include a leading edge that is detachable. The leading edge includes an airfoil section and an attachment that is adapted to fit into a complementary groove formed in the rotor disk. The detachable l... | 07/15/2008 |
| 7393181 | Expandable 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 |
| 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 circle on the upper surface with respect to the center point. ... | 06/17/2008 |
| 7371046 | Turbine airfoil with variable and compound fillet A turbine airfoil may be a rotating blade having a single platform, or a stationary nozzle having a pair of platforms. The airfoil body has pressure and suction sidewalls extending between leading and trailing edges. A compound fillet is disposed between the airfoil... | 05/13/2008 |
| 7357624 | Rotor blade for a wind power plant The invention concerns a rotor blade of a wind power installation and a wind power installation. One advantage of the present invention is to provide a rotor blade having a rotor blade profile, and a wind power installation, which has better efficiency than hitherto... | 04/15/2008 |
| 7341431 | Gas turbine engine components and methods of fabricating same A method for fabricating a component for a gas turbine engine includes providing a blisk forging fabricated from a first material, inertia welding a second material to the blisk forging to create a bi-alloy blisk forging, and machining the bi-alloy blisk forging to ... | 03/11/2008 |
| 7341430 | Vane wheel for torque converter and manufacturing method A vane wheel for torque converter with a plurality of blades formed integrally with a shell in a casting process is disclosed. The blade tilts relative to an axial direction of the vane wheel and has an inner surface located on a positive pressure side thereof and a... | 03/11/2008 |
| 7334997 | Hybrid 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 |
| 7306433 | Apparatus and method for securing a rotor blade in a rotor of a turbine-type machine A rotor of a turbine-type machine, in particular a gas turbine rotor, is disclosed. The rotor has a rotor base body, where the rotor base body has a groove extending in the circumferential direction of the rotor base body, and has multiple rotor blades, or rotor bla... | 12/11/2007 |
| 7303461 | Method of machining airfoils by disc tools A method for machining a rotor having a disc and a plurality of integral airfoils projecting outwardly from the disc, according to one aspect of the invention, comprises a step of machining each airfoil with a disc tool having a grinding periphery thereof adapted fo... | 12/04/2007 |
| 7284957 | Composite integrally bladed rotor The present invention relates to an integrally bladed rotor for use in a gas turbine engine. The integrally bladed rotor comprises a plurality of pairs of airfoil blades. Each pair of blades has a spar which extends from a first tip of a first one of the airfoil bla... | 10/23/2007 |
| 7198472 | Platform mounted components A platform arrangement for components such as aerofoil vanes 1, 21 is provided whereby the necessary rigidity provided by the platform does not create excess problems with respect to stress and strain fatigue failure at thinner sections of the component. The ... | 04/03/2007 |
| 7192253 | Method for producing a fan wheel and fan wheel produced by this method A method for producing a fan wheel (1), in particular for a motor vehicle, which is produced by injection molding of a plastic provided with glass fibers, the casting compound being cast in via a ring or cone gate. Also disclosed is a fan wheel (1) pro... | 03/20/2007 |
| 7168922 | Plastic fans having improved fan ring weld line strength A method to influence material flow during the injection molding of thermoplastic, polymeric ring type fans such that a major portion of the materials flowing in opposite directions preferably flow past one another, or collide at an angle relative to one another, ra... | 01/30/2007 |
| 7125226 | 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 the hub and the blades. More than one blade include an air inlet side e... | 10/24/2006 |
| 7125227 | Process for manufacturing or repairing a monobloc bladed disc A monobloc bladed disc and a process for manufacturing or repairing a monobloc bladed disc, where the process includes forming, on a protruding projection belonging to a disc and extending from an upstream end to a downstream end along a protruding projection chord,... | 10/24/2006 |
| 7121805 | Electric fan with detachable blades An electric fan comprises a rotary hub comprising a hollow two-layer cylinder including a plurality of units each including: a gap between the layers, an axial first coupling edge abutted on an adjacent unit, an arcuate second coupling edge at its inner end joined w... | 10/17/2006 |
| 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 |
| 7118345 | Fan blade An impeller is applied to a centrifugal fan and includes fan blades and a hub. Each fan blade includes a first portion and a second portion. The first portion is located relatively close to the hub and the first portion is coupled to the second portion. The first po... | 10/10/2006 |
| 7107886 | Production of disc components A disc component for a gas turbine engine is produced from a workpiece by a sequence of machining operations. During the machining operations, the workpiece is supported by a fixture engaging support surfaces. The workpiece remains secured to the fixture throughout ... | 09/19/2006 |
| 7097430 | Injection moulding of plastic fans A method of manufacturing a fan from a plurality of fan blades (12), comprising the steps of: providing an injection moulding tool (30) which defines a fan hub section (14); assembling a predetermined number of preformed fan blades with the inje... | 08/29/2006 |
| 7044712 | Axial-flow fan This present invention relates to an axial-flow fan including a central hub connected with a driving shaft of a motor, and a plurality of blades extending radially along the circumference of the hub for blowing air toward an axial direction, the plurality of blades ... | 05/16/2006 |
| 7033137 | Vortex blower having helmholtz resonators and a baffle assembly A blower includes a blower housing having a chamber, an impeller rotatably received in the chamber, the impeller having a plurality of blades; and at least one resonator ring associated with one of the blower housing and the impeller. The resonator ring provides a p... | 04/25/2006 |
| 6994522 | Fan blade A fan blade includes a shaft base and plural wind guiders formed integral with the shaft base. The wind guiders are fixed spaced apart equidistantly on the peripheral edge of the shaft base. Each wind guider is formed integral with one or more than one netted portio... | 02/07/2006 |
| 6969232 | Flow directing device A flow directing device of a gas turbine engine, comprising: an airfoil having a leading edge, trailing edge, suction side and pressure side; a wall abutting the airfoil; and a fillet between the airfoil and wall. The fillet has an enlarged section at the leading ed... | 11/29/2005 |
| 6969240 | Integral turbine composed of a cast single crystal blade ring diffusion bonded to a high strength disk A lightweight high temperature bladed turbine disk intended for use in gas turbine engines. The bladed disk comprises a cast integral ring of single crystal airfoils with the primary and secondary crystallographic orientation being the same for each airfoil. Low-ang... | 11/29/2005 |
| 6948912 | Heat dissipation device and its impeller thereof A heat dissipation device and a blade structure thereof are employed to increase input air volume, A new impeller, mounted on the driving means, includes a hub and a plurality of rotor blades arranged around the hub. Preferably, the inner side of each rotor blades e... | 09/27/2005 |
| 6926499 | Thin-walled, lightweight cooled turbine blade A blade 10 is composed of a front blade portion 10a, a rear blade portion 10b and a middle blade portion 10c. The belly side of the middle blade portion 10c forms a recess towards the back side. High-tem... | 08/09/2005 |
| 6918432 | Heat exchanger In the fin 112 on the front grille side which is an upstream side of the air current, there is provided a reinforcing portion 112c formed when the fin 112 is made into a wave-shape. By this reinforcing portion 112c, it is po... | 07/19/2005 |
| 6905312 | Method of manufacturing an integral rotor blade disk and corresponding disk A method of manufacturing a blisk comprises the steps of cutting a disk to a rough shape comprising a hub with a plurality of blade blanks projecting radially therefrom, machining each blade blank by tangential milling using a tool with a rotation spindle perpendicu... | 06/14/2005 |
| 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 |
