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| Number | Title | Issue Date |
| 4103195 | Bonded laminations forming a stator core Lamination of the stator core is accomplished by stacking the core with a series of segments or punchings of steel each of which is insulated with a layer of adhesive enamel on both sides. The adhesive enamel is comprised of an epoxy resin and a sufficien... | 07/25/1978 |
| 4085347 | Laminated stator core In a laminated magnetic core wherein an adhesive is utilized to secure laminations in a unitary structure, low core compressibility is obtained by restricting the distribution of adhesive so that regions of metal-to-metal contact which surround axial comp... | 04/18/1978 |
| 4080724 | Method of forming electrical machine care from E-laminations The use of E-shaped transformer laminations in rotating electrical machinery in which the E-laminations are modified and assembled in a stacked manner and fixedly secured in rigid relationship to form a stator or rotor core receiving appropriate windings ... | 03/28/1978 |
| 4071787 | Welded stator for electric motors A two part laminated stator in which a ring portion, bearing shading coils, has a pair of spaced parallel legs projecting therefrom, each leg end being adapted for a welded connection with a corepiece end, the corepiece being adapted to be inserted in an ... | 01/31/1978 |
| 4071793 | Field subassembly for electric motors A field subassembly for a dynamo electric machine comprises a plurality of laminations secured together to form a stack, the stack having at least two spaced pole pieces and a pair of coil slots per pole piece, a field coil in each one of the pairs of slo... | 01/31/1978 |
| 4028573 | Rotor for an electrical machine The rotor core of an armature or coil-carrying rotary member of a generator comprises a stack of notched magnetically permeable plates held between a pair of flanges, one rigid with the shaft of the machine and the other held elastically thereon. Each of ... | 06/07/1977 |
| 4023057 | Electric motor field magnets Compound magnets for motor stators have a laminated structure that includes thin, flexible magnets made from permanently magnetizable particles, such as barium ferrite, that are embedded in a flexible matrix, such as rubber. Various laminated arrangements... | 05/10/1977 |
| 4021691 | Electrical machine stator An electrical machine stator comprising a laminated iron core, with magnetic steel clamping plates installed on both ends of the core for clamping the core sheets by nonmagnetic steel clamping fingers rigidly attached to the clamping plates, with slots in... | 05/03/1977 |
| 4015154 | Motor and method for making same In a method for making a motor, wherein a plurality of lamellar ring plates each having plural teeth extending outwardly from its inner ring portion are laminated, coils are wound on every tooth, and then inserted in a ring which are also made of a plural... | 03/29/1977 |
| 4012653 | Low noise alternating current dynamoelectro machine In an alternating current dynamoelectro machine, the rotor core and/or stator core are axially divided into a plurality of blocks, adjacent blocks of the rotor core and/or those of the stator core are fixed to the rotor shaft and to the motor frame, respe... | 03/15/1977 |
| 4007867 | Method of making resiliently compressed laminated core for a dynamoelectric machine A stack of stator core laminations are compressed between a pair of resilient end flanges that are flexed into a dished configuration and secured in a pre-determined spaced-apart relationship by being welded to a plurality of longitudinal ribs disposed ar... | 02/15/1977 |
| 3987325 | Short-circuiting rings for dynamoelectric machine A dynamoelectric machine, having a laminated stator core and having low impedance short-circuiting rings positioned between end flanges to minimize voltage differences between key bars. Circumferentially spaced key bars are used to effect assembly of the ... | 10/19/1976 |
| 3983433 | Wire stator core structure and method of making same A stator core structure for a dynamoelectric machine has a filament of ferro-magnetic material generally spirally disposed in at least one generally planar layer. A plurality of spaced apart teeth is provided in the layer each being respectively constitut... | 09/28/1976 |
| 3983434 | Segmented stator core structure and method for making same A stator core structure, and method of making same, for a dynamoelectric machine formed of a first plurality of generally U-shaped segments each having a bight portion and leg portions. Each of the first segments is formed of a plurality of relatively thi... | 09/28/1976 |
| 3983435 | Stator assembly formed of flat, strip material A stator assembly for a dynamoelectric machine has a yoke member formed of a continuous strip of ferro-magnetic material with a generally cylindric inner surface. A plurality of spaced teeth are provided extending axially along and inwardly from the inner... | 09/28/1976 |
| 3955272 | Method for making a stator for electric motors A method for making a stator for electric motors comprised of a plurality of laminations arranged with their sides in the direction of the rotor axis wherein the edge portions of the laminations running in the axial direction are bent upwardly towards the... | 05/11/1976 |
| 3940648 | Laminated core and support assembly for a dynamoelectric machine A stack of stator core laminations are compressed between a pair of resilient end flanges that are flexed into a dished configuration and secured in a pre-determined spaced-apart relationship by being welded to a plurality of longitudinal ribs disposed ar... | 02/24/1976 |
