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| Number | Title | Issue Date |
| 7166947 | Permanently excited electrical machine An electrical machine, in particular a direct current motor for vehicles, has a multi-pole stator which has an annular pole housing (1) and a plurality of magnets (2) that are located on the inside face of the pole housing (1). The electrical ma... | 01/23/2007 |
| 7091642 | Field assembly for a motor and method of making same A cylinder/magnet assembly for a field of an electric machine, such as a stator of a brush type motor or a rotor of a brushless motor, alternator or generator, is formed by stamping a blank to form anchors extending upwardly from a surface of the blank and stamping ... | 08/15/2006 |
| 6995488 | Permanent magnet field small DC motor A permanent magnet field small DC motor includes an arc-shaped rare earth magnet of maximum thickness 1 mm or less fabricated by compression molding from rare earth iron based melt-spun flakes and a binder. The magnet is provided with a certain specific portion at b... | 02/07/2006 |
| 6974522 | Method and apparatus for mounting a plurality of magnet segments on a back ring A method and apparatus for assembling permanent magnet segments and a back ring wherein a fixture holds segments in circumaxially spaced relationship, adhesive is applied to the segments, externally from pressure sensitive adhesive tape and the fixture then expands ... | 12/13/2005 |
| 6921995 | Motor A motor comprises a casing made of magnetic material for housing a rotor and a coil wherein side surfaces of the casing have openings. The openings are closed by the magnetic plates that are thinner than the thickness of the material of the casing. ... | 07/26/2005 |
| 5353491 | Method of making frame and magnet assembly for a dynamoelectric machine A method of securing a tubular metallic magnet retainer to a tubular metallic frame of a dynamoelectric machine, the tubular frame having an annular internal surface, the steps comprising, forming an annular end surface at an end of said tubular frame tha... | 10/11/1994 |
| 5281881 | Frame and magnet assembly for a dynamoelectric machine A frame and magnet assembly for a dynamoelectric machine. The assembly includes an imperforate frame member formed of metallic magnetic material. A one-piece tubular imperforate stainless steel magnet supporting part is disposed within the frame. The magn... | 01/25/1994 |
| 5105114 | Frame and magnet assembly for a dynamoelectric machine A frame and magnet assembly for a dynamoelectric machine. The assembly includes an imperforate frame member that is formed of metallic magnetic material. A one-piece tubular imperforate magnet supporting part formed of nonmagnetic stainless steel is dispo... | 04/14/1992 |
| 4953284 | Method for retaining a magnet within a motor assembly A magnet shield having a recessed area for receiving a demagnetized permanent magnet. The magnet and shield are axially inserted between the armature and cylindrical frame of a motor. Locating legs formed on the end heads between which the cylindrical fra... | 09/04/1990 |
| 4916344 | Motor magnet shield retention assembly A magnet shield having a recessed area for receiving a demagnetized permanent magnet. The magnet and shield are axially inserted between the armature and cylindrical frame of a motor. Locating legs, formed on the end heads between which the cylindrical fr... | 04/10/1990 |
| 4851729 | Electric motor The motor has a plastic holding member which is a sliding fit in a casing of the motor and which supports at least one pair of segment magnets and brush gear for the motor in a fixed angular position relative to one another.... | 07/25/1989 |
| 4769624 | Permanent magnet assembly A permanent magnet assembly wherein a permanent magnet is encapsulated in a metallic housing that hermetically seals the permanent magnet. The metallic housing is formed from two stainless steel parts that are joined by a continuous impervious seam weld. ... | 09/06/1988 |
| 4488073 | Starter with magnet type D.C. motor In a starter wherein planetary reduction gears are installed on an end part of an output shaft of a magnet type D.C. motor; a starter comprising an intermediate frame member in which a ring gear constituting the planetary reduction gears, and an intermedi... | 12/11/1984 |
| 4414481 | Stator for rotating electric machine A rotating electric machine stator, the casing of which is formed by the assembly of two elements made from a plastics material of from another non magnetizable material; it comprises a holding part made integrally from a magnetizable material for forming... | 11/08/1983 |
