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Patent No. 5996568

Process For Propelling Foodstuffs or the Like into a Crowd

A method of launching foodstuffs into a crowd for promotional and entertainment purposes.

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Class 416/185 - Circumferentially and radially continuous web or end plate


Subclass of Class 416 - Fluid reaction surfaces (i.e., impellers)
Definition: Apparatus in which the transverse surface is substantially
No. of patents: 192
Last issue date: 04/03/2012


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NumberTitleIssue Date
8147200Turbine engine wheel
A wheel of a turbine engine such as an airplane turbojet is disclosed. The wheel includes a disk having blades and at least one ring of a metal matrix composite material mounted on the disk in order to take up centrifugal forces during operation. The wheel further i...
04/03/2012
8142160High speed type impeller having a reinforcing ring
Disclosed is a high speed type impeller, including: a body having a shaft coupling hole into which a rotation shaft of a motor is coupled, the outer circumference of the body being widened from the top to bottom end in the insertion direction of the rotation shaft t...
03/27/2012
8033793Impeller
The present invention provides an impeller in which a metallic bush can be inserted correctly into a synthetic resin impeller main body manufactured by resin molding using a die, and a determination as to whether or not the impeller has been manufactured correctly c...
10/11/2011
7980824Rotor for a flotation machine
The invention relates to a rotor of a flotation machine, particularly to a rotor, that is used for dispersing air to a slurry, and which rotor comprises alternating air ducts and slurry grooves and a collar fitted to the rotor for guiding the slurry flow into the in...
07/19/2011
7896618Centrifugal compressing apparatus
In a centrifugal compressing apparatus, a height of a blade of an impeller is made to decrease gradually from a front edge thereof to a rear edge thereof, and a rate of change of the height of the blade is relatively large near the rear edge. The height of the blade...
03/01/2011
7682134Francis pump-turbine
A Francis pump-turbine includes a runner provided with runner blades arranged around in a circumferential direction of a main shaft of the runner, each of the runner blades being supported by a band at a bottom side thereof in a blade height direction and supported ...
03/23/2010
7618239Multi-blade fan for air-cooled engine
In a multi-blade fan for an air-cooled engine, by defining the inlet angle β1 and the angle β′2 to make the sum thereof less than 80° (preferably defining β1 as 32° and β′2 as 36°), the multi-blade fan achieves greater air volu...
11/17/2009
7563074Impeller for a centrifugal compressor
An impeller rotatable in a direction of rotation in a centrifugal compressor including an intake ring. The impeller includes a back plate having a shaft portion and a plurality of blades. Each blade extends from the back plate and includes an inducer portion adapted...
07/21/2009
7481625Radial-flow turbine wheel
A radial-flow turbine wheel is provided. The radial-flow turbine wheel includes a hub having an outer radius gradually increasing from a front end to a rear end, a rear periphery of the hub being radially extended in a plane generally perpendicular to a center axis,...
01/27/2009
7476081Centrifugal compressing apparatus
In a centrifugal compressing apparatus, a height of a blade of an impeller is made to decrease gradually from a front edge thereof to a rear edge thereof, and a rate of change of the height of the blade is relatively large near the rear edge. The height of the blade...
01/13/2009
7381027Fan motor
A fan motor having a small thickness and its impeller's blades formed to have a longer length in the diametrical direction than a width in the axial direction. Since the blade of the fan motor has a tooth structure or chamfers at its edge end in the diametrical dire...
06/03/2008
7365471Internal cooling fan with a non-repeating blade configuration
An internal cooling fan assembly for use with a claw-pole segment of a rotor assembly is provided that maximizes air flow while providing a reduced sound signature. The fan assembly includes a base portion that contacts the claw-pole segment when the fan assembly is...
04/29/2008
7351031Centrifugal blower
A centrifugal blower includes a housing, an impeller, and a guiding cover. The housing includes a compartment delimited by an annular wall. A radial air inlet is defined in the annular wall and communicated with the compartment. The compartment includes an axial ope...
04/01/2008
7347252Centrifugal impeller
An improved centrifugal impeller having between 20 and 26 rearwardly curved blades blades, a ratio of blade annulus width to wheel radius between 0.31 and 0.37, and an inlet blade angle in the range 32° to 36° and a discharge blade angle in the range 36° to 40°....
03/25/2008
7334936Mixing device and method of mixing
The present invention is a mixing device and a method of mixing viscous fluids with a mixing device. The mixing device includes a shaft and a support mounted for rotation with the shaft. A plurality of vanes extend from the support and are mounted for rotation with ...
02/26/2008
7318703Impeller 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
7316502Mixing 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
7309935Fan impeller for electrical machines
The present invention relates to a fan wheel (11) for electrical machines, in particular for alternators of motor vehicles, with a fan disk (10) that, on its axially outwardly directed end face, has a number of fan blades (13, 18) distributed ar...
12/18/2007
7264443Centrifugal water pump
A pump includes a housing defining an internal chamber having an axial inlet passage, a generally radial passage with an outlet to a volute. A rotatable impeller, disposed within the chamber, has a conical rear shroud sloping away from the axial inlet to define a re...
09/04/2007
7255260Assembly for the manufacture of a hollow mechanical part by diffusion bonding and superplastic forming, use of such an assembly and process for manufacturing such a mechanical part
A method for manufacturing an assembly including a stack of at least two primary parts, the primary parts being joined together around their periphery with the exception of a place forming a passage so as to define between the two of them a cavity, and the primary p...
08/14/2007
7246997Integrated high efficiency blower apparatus for HVAC systems
An integrated centrifugal blower wheel for a heating, ventilation and air conditioning (HVAC) blower unit includes a first blade support, a second blade support, and a plurality of S-shaped blades disposed between the first and second blade supports, wherein each of...
07/24/2007
7241114Rotor 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
7232288Hydraulic submersible mud pump
Apparatus 10 discloses a submersible hydraulic powered pump for removing matter such as liquid, abrasive particulate, slurries or mixtures 12, from a sump or container. The pump has a housing 14 with an integral stand 16 projecting theref...
06/19/2007
7223075Turbine wheel for driving rapidly rotating tools
A turbine wheel for driving rapidly rotating tools, in the form of a circular disk or ring, configured for mounting so as to be rotatable about an axis. Disposed thereon in circular formation are turbine blades having axially parallel front and back faces curved in ...
05/29/2007
7220106Francis wheel and hydraulic machine comprising one such wheel
A Francis runner that includes a crown, a band and blades which extend between the crown and the band. An angle (β24) between a linear speed (U, D224) of one of the blades and a median of the blade at the trailing edge, has a value between 20 ...
05/22/2007
7204672Multi-modal forced vortex device
A multi-modal forced vortex device is described having a top plate and a side wall creating a partially enclosed volume. The top plate includes one or more adjustable fluid openings to permit, or restrict, fluid flow into and out of the partially enclosed volume. Ro...
04/17/2007
7201565Fan blade set for cooling fan
A fan blade set (10) for a cooling fan includes a hub (12) having a first wall and a second wall extending from the first wall. First blades (14) extend radially from the second wall. Second blades (16) formed on the first wall extend fro...
04/10/2007
7198470Francis 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
7195459Francis turbine
A Francis turbine with an improved shape of blades, which can reduce a circumferential velocity component generated in the flow downstream of the blades in a condition of a partial load operation, or reduce the secondary flow around the blades, is provided. A Franci...
03/27/2007
7189062Centrifugal impeller
A centrifugal impeller particularly for a turbo-charger includes a circular disc member, a boss portion formed at a central portion of the disc member and having a central through hole into which a rotational shaft is inserted, an impeller blade integrally formed on...
03/13/2007
7190578Plasma display apparatus
A plasma display apparatus comprising a chassis base, a plasma display panel coupled to a first side of the chassis base, and a driving board, for driving the plasma display panel, attached on a second side of the chassis base opposite to the first side of the chass...
03/13/2007
7182572Impeller assembly
An impeller assembly has a hollow body, multiple main blades and multiple booster blades. The main blades are mounted around the body to define multiple flow channels between the main blades. The boosting blades are mounted around the body at the bottom edge and eac...
02/27/2007
7179057Velocity 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 that controls and reduces the wear caused by slurry fluid being expell...
02/20/2007
7168923Alternator fan
The invention is a fan for an alternator adapted to be coupled in rotation to the alternator rotor, and being of the type comprising a wheel part and a plurality of fan blades (47, 48) extending from the latter, the fan being moulded in a plastics material on...
01/30/2007
7154190All-weather energy and water production via steam-enhanced vortex tower
The space-saving, long operating, and cheap vortex plants of large power intensively combine solar, either waste and secondary, or geothermal heating of slightly pressured water with use of wind, giving competitive electricity and water production without firing of ...
12/26/2006
7147433Profiled 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
7144056Detection and handling of semiconductor wafers and wafers-like objects
An end-effector includes multiple vortex chucks for supporting a wafer. Vortex chucks are located along the periphery of the end-effector to help prevent a flexible wafer from curling. The end-effector has limiters to restrict the lateral movement of a supported waf...
12/05/2006
7144217Molten 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
7128534Francis turbine
A Francis turbine with a improved shape of blades to reduce the secondary flow around the blades and improve the hydraulic efficiency is provided. A Francis turbine comprises a rotating shaft, a crown, a plurality of blades and a band. The band is coaxially coupled ...
10/31/2006
7125219High-pressure fan
The invention relates to a high-pressure fan which comprises an electric motor provided with a shaft that goes through it; blade wheels which are mainly made of a carbon fibre-based composite material, arranged on both sides of the electric motor and mounted directl...
10/24/2006
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