Bizarre Patents
Process For Propelling Foodstuffs or the Like into a Crowd
A method of launching foodstuffs into a crowd for promotional and entertainment purposes.
PatentStorm News
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 7768169 | Magnet retaining arrangement The present invention provides a permanent magnet rotor arrangement that is particularly suitable for low-speed large-diameter electrical generators. The arrangement includes a rotor 2 having a radially outer rim 4. A circumferential array of magnet ca... | 08/03/2010 |
| 7365465 | Securing assembly of bandages for synchronous motors with outer permanent magnets A rotor structure for an electric motor includes a cylindrical rotor core assembly and a plurality of permanent magnets disposed on an outer circumference of the rotor core assembly. Wrapped around the rotor core assembly is a bandage to secure the permanent magnets... | 04/29/2008 |
| 7365464 | Composite rotor and output shaft for galvanometer motor and method of manufacture thereof A rotor is disclosed for a galvanometer system. A rotor includes a permanent magnet core, a sleeve and at least one shaft unit. The sleeve encloses and attaches to at least a portion of the permanent magnet core. The sleeve is formed of a material having a density o... | 04/29/2008 |
| 7355309 | Permanent magnet rotor for a direct drive generator or a low speed motor In order to provide a less expensive generator, a rotor using nonmagnetic beams is disclosed. The rotor includes a magnetic steel rim connected to a main generator shaft by a hub. The magnetic rim supports the components of the rotor, which includes a plurality of m... | 04/08/2008 |
| 7339293 | Electric machine with a wrapped winding cooled to a low temperature An electric machine has a rotor that is rotatable about an axis of rotation, and an especially superconducting winding which is to be cooled to a low temperature. The winding is enveloped by a securing means with a wrap. The outer contour of the wrap of the securing... | 03/04/2008 |
| 7309938 | Rotary power converter A rotary power converter apparatus for coupling power between a prime driver and plural generators. The apparatus includes a frame having a first and second bearing aligned along an axis of rotation and a rotor assembly supported thereby. The rotor assembly includes... | 12/18/2007 |
| 7228616 | System and method for magnetization of permanent magnet rotors in electrical machines A system and method for manufacturing an electrical machine is provided. An array of permanent magnet segments is assembled around a rotor spindle. Desired orientation directions of the permanent magnet segments are determined. The assembled permanent magnet segment... | 06/12/2007 |
| 7135860 | Variable reluctance resolver including rotor with multiple detection portions A variable reluctance resolver has a rotor with magnetic poles with 2× or greater axis combination angles, and is structured so that reliable and accurate zero point detection can be carried out. Concave and convex portions are provided on at least two, but fewer t... | 11/14/2006 |
| 7112906 | Motor rotor and manufacturing method thereof A motor rotor. The motor rotor adapted to be used in a fan includes a hub, a metal plate and a magnet. The metal plate has a first end and a second end. The metal plate is disposed in the hub. The magnet is disposed in the metal plate. A method for manufacturing a m... | 09/26/2006 |
| 7098564 | Work piece A work piece according to the invention has caulking tabs that are connected to each other by means of a bridge piece. As a result, the caulking tabs are lengthened, thus permitting better control of the caulking process because the caulking tabs overlap a component... | 08/29/2006 |
| 7053508 | Rotary electric machine and a rotor of the same In a rotor for a rotary electric machine, a predetermined number of main pole magnets and a predetermined number of yoke magnets are fixed in contact with a hub. Each main pole magnet is magnetized so that its radial inside portion and its radial outside portion hav... | 05/30/2006 |
| 6995489 | Electric machine An electric machine (2) comprising a rotor (4) and a stator (6) arranged coaxially therewith, at least one of said rotor (4) and stator (6) being formed of a plurality of parts and there being provided a bandage (16) holding... | 02/07/2006 |
| 6906444 | Permanent magnet motor Each permanent magnet formed in an open-letter shape is divided into a plurality of parts, the divided magnets are respectively fitted in open letter-shaped inserting portions, and ribs are respectively provided in dividing portions of the permanent magnets. Accordi... | 06/14/2005 |
| 6897597 | Alternator for a vehicle with take-up of play on the inter-pole magnets An alternator for a vehicle comprises two pole pieces having interlaced poles (10) and magnets, the poles exhibiting grooves profiled along an axis (21) and accommodating the magnets, the profile completely preventing the magnets escaping from the groo... | 05/24/2005 |
| 6891295 | Flywheel magneto generator A flywheel magneto generator which comprises a rotor having a magnet attached to an outer circumferential side of a flywheel and a stator constructed by winding a generating coil around a core having a magnetic pole portion opposed to a magnetic pole of the rotor, w... | 05/10/2005 |
| 6833647 | Discoid machine The present invention relates to a discoid machine having a rotor and a stator placed facing each other along the axis of rotation of the rotor. The machine is synchronous and has at least two rotors disposed on either side of a stator. ... | 12/21/2004 |
| 6815864 | AC generator An ac generator comprising a rotor coil for generating a magnetic flux, a pole core disposed to cover the rotor coil and having pawl-shaped magnetic poles projecting in staggered and alternating relationship, permanent magnets disposed on both side surfaces of the p... | 11/09/2004 |
| 6664690 | Permanent magnet excited rotor for a permanent magnet excited electric drive, particularly for AC main drives For achieving a constant capacity range by way of field weakening of a permanent magnet excited drive the magnetic transverse resistance (Rm) of the rotor plate pack is increased by pole gaps (P1, P2), which are produced by milling into the upper surface ... | 12/16/2003 |
| 6424072 | Motor vehicle alternator with interpolar magnets The vehicle alternator comprises a rotor having interleaved pole pieces, permanent magnets disposed between the pole pieces, and at least one magnet-support strip which extends over a circumferential outside face of the pole pieces.... | 07/23/2002 |
| 6145314 | Compressor wheels and magnet assemblies for internal combustion engine supercharging devices An improved supercharging apparatus combines the elements of a rotary electric machine and an air compressor, such as in a turbocharger. A plurality of permanent magnets are encapsulated by a multi-layer carbon filament winding wound around the plurality ... | 11/14/2000 |
| 5881448 | Method for making permanent magnet rotor A permanent magnet rotor includes a core and a plurality of magnetizable elements held about the outer circumferential surface of the core, as by an adhesive. The core and magnetizable elements are cold-pressed into a deep drawn cup-shaped outer metallic ... | 03/16/1999 |
| 5881447 | Method of making a permanent magnet rotor A permanent magnet rotor includes a core and a plurality of magnetizable elements adhesively secured to the outer surface of the core. The core and adhered magnetizable elements are cold-pressed into a deep drawn cup-shaped outer metallic shell having a s... | 03/16/1999 |
| 5815907 | Method of forming a rim construction for a rotor A method for constructing a rotor for an energy storage apparatus includes the step of fabricating a rim having an inner diameter and an outer diameter. The method also includes the step of bonding at least one lamina panel to the rim at the inner diamete... | 10/06/1998 |
| 5796190 | Engine-driven permanent magnetic type welding generator Disclosed is an engine-driven welding generator using a plurality of neodymium-iron-boron based rare earth magnets and provided with countermeasures for suppressing a rise in temperature of the magnets. The engine-driven welding generator driven by an eng... | 08/18/1998 |
| 5485045 | Rotor for permanent magnet-excited, high-speed electric machines and electric machine equipped with this rotor The present invention pertains to a rotor for permanent magnet-excited electric machines, on the circumferential surface of which permanent magnets are arranged, and fillers made of a nonmagnetic material are arranged between them, wherein the surface of ... | 01/16/1996 |
| 5329196 | Metal wrapped non-metallic magnetic component for use about a rotor or a shaft and method of making the same A system of manufacturing a metal wrapped non-metallic magnetic component useable about a rotor or the like comprises welding the ends of a strip of sheet metal to form a cylinder. If necessary, the cylinder may be cut about its entire circumference at tw... | 07/12/1994 |
| 5224259 | Metal wrapped non-metallic magnetic component for use about a rotor or the like and method of making the same A system of manufacturing a metal wrapped non-metallic magnetic component useable about a rotor or the like comprises welding the ends of a strip of sheet metal to form a cylinder. If necessary, the cylinder may be cut about its entire circumference at tw... | 07/06/1993 |
| 5099165 | Brushless d.c. motor A brushless d.c. motor having a number of permanent magnetic pole pairs and a number of salient poles wherein the ratio between the number of permanent magnetic pole pairs and the number of salient poles is greater than unity but less than 2:1 and the rat... | 03/24/1992 |
| 4868970 | Method of making an electric motor A method of making an electric motor with the stator winding inside a slotless cylindrical stator shell.... | 09/26/1989 |
| 4724348 | Rotatable assembly for dynamoelectric machines having means for reducing release of magnet material particles therefrom A magnet assembly having means for reducing release of magnet material particles from the magnet element includes a body of permanently magnetizable material and a shell at least partially surrounding the body. The shell is disposed and located so as to r... | 02/09/1988 |
| 4002937 | Magnetic sensing device Disclosed is a sensing device for monitoring the rotation of a shaft or other mechanical movements. A magnetic structure is positioned on the shaft for rotation therewith and provides a plurality of discrete magnetic poles about the shaft at uniform space... | 01/11/1977 |
