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| Number | Title | Issue Date |
| 4093906 | Permanent magnet pulse generator and method of forming and assembly A two-cycle engine in such as an outboard motor includes an engine shaft and a flywheel mounted on the shaft and having an inner cylindrical hub portion. A rubber-like magnet strip is adhesively attached about the hub portion with an outer protective shie... | 06/06/1978 |
| 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 |
| 4074157 | Permanent magnet A.C. signal generator A sub-fractional A.C. signal generator incorporating a stator assembly comprising a coil wound upon an annular bobbin of molded insulator material, a pair of annular magnetically premeable stator members having alignment apertures snap-fit onto integral b... | 02/14/1978 |
| 4059898 | Method of making a small electric motor Concentricity between the rotor and rotor shaft of a small motor is attained by means of a plastic, toothed hub on the shaft press fitted into the rotor; any eccentricity is removed by shearing the teeth.... | 11/29/1977 |
| 4060745 | Structure for attaching a permanent magnet to a rotating shaft In order to minimize stresses on a circular rotatable permanent magnet attached to a shaft in a dynamoelectric machine, the shaft of the machine is provided with a circular support portion having an outer supporting surface and a shoulder at one end where... | 11/29/1977 |
| 4056882 | Method of making a dimensionally stable commutator This invention describes a method of making a commutator, for a high speed electric machine, (1) embedding a number of conductive bars in insulating plastics material to form a moulded commutator (2) the moulded commutator defining at least one annular se... | 11/08/1977 |
| 4053800 | Stator for electric motor An electric machine has a stack of stator plates forming a central throughgoing passage defining an axis and having an array of inwardly open and insulated axial grooves in the passage. A plurality of stator coils together form a tubular stator winding ha... | 10/11/1977 |
| 4048530 | Electric motor with plastic encapsulated stator An electric motor having a stator and a rotor in which the stator is formed with an encapsulating hardened plastic shell formed with a through aperture in which the rotor is positioned and which has portions that accurately concentrically support the moto... | 09/13/1977 |
| 4048527 | Stator aggregate for rotating electric machines An electric machine comprising a stator and a rotor. The stator consists of two sections made of a mouldable plastic material wherein at least the means providing the magnetic flux is formed integrally with the stator sections. The assembly further includ... | 09/13/1977 |
| 4037312 | Method of fabricating a mechanically stable electrical winding having cooling openings therein Insulated wire coated with a bonding material is formed into cables and wound in an appropriate chamber. A pressurizing material is utilized to compress the wires in the chamber. The pressurizing material is then hardened to maintain the wires in the comp... | 07/26/1977 |
| 4028571 | Control mechanism for remotely mounted motor A control mechanism for a remotely mounted motor, such as an antenna rotator, is contained withi n a molded housing having a cover and base, and includes an indicator motor which rotates a switch assembly to a preselected location. The indicator motor is ... | 06/07/1977 |
| 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 |
| 4010393 | Dynamo-electric machines A rotor of a dynamo-electric machine having the conductors of the rotor winding constrained against the effects of centrifugal force by a plurality of annular members which encircle the conductors at spaced positions along the body of the rotor and are pr... | 03/01/1977 |
| 4010394 | Support for an end winding of a rotor of a dynamo-electric machine A rotor of a dynamo-electric machine having the conductors forming an end-winding supported by an annular support arrangement interposed between an overhang region of the rotor body and the conductors forming the end winding. The annular support arrangeme... | 03/01/1977 |
| 4005320 | Battery-powered electric motor assembly A disclosure is made of an electric motor assembly in which a motor casing containing a motor and a battery casing housing one or more batteries are coupled in a manner so that a motor energizing circuit is turned on or off by relative rotational displace... | 01/25/1977 |
| 3997806 | Rotor of flat-type motor A rotor for a flat-type motor is constructed to include a flat armature, which comprises a flat armature winding in the form of a disk, and an insulating resinous body in which the armature winding is embedded. The insulating resinous body has a greater t... | 12/14/1976 |
| 3988625 | Coil overhang support for stator of high output turbo-generator An arrangement for supporting the head portions of the coils which project beyond the ends of the slots provided in the laminated stator component of a high-output turbo-generator in which the coils are placed includes inner and outer radially spaced ring... | 10/26/1976 |
| 3986253 | Electrical insulator for armature shafts and method of installation Disclosure is made of a universally fitting electrical insulator for mounting between the armature shaft and the windings and laminations of an armature. The disclosure is also of a method for mounting the insulator in the armature. The insulator and meth... | 10/19/1976 |
| 3984714 | Arrangement for holding windings on pole cores An electric machine, particularly a miniature electric motor, includes a stator structure provided with at least one pair of main poles and at least one pair of auxiliary poles, the auxiliary poles alternating with the main poles. Each main pole is compri... | 10/05/1976 |
| 3979822 | Process of manufacturing an electric motor A method of making a motor includes placing radially deformable support cuffs around the protruding winding portion of the stator windings, inserting a core therethrough, placing the assembly in a hollow mould and closing the mould to press the cuffs radi... | 09/14/1976 |
| 3978358 | Rotary electric motor A clock with a rotary drive motor having a pair of axially aligned stator subassemblies with identical molded frame parts with interfitting end portions rotatably supporting a permanent magnet rotor and take-off gears. A separate axially extending U-shape... | 08/31/1976 |
| 3978357 | Tachometer mount for the end of a vehicle wheel axle An electrodynamic tachometer has a rotor connected to the end of an axle and a stator. An annular element having substantially a C-shaped cross section connects the outer surface of the stator to a bearing housing enclosing the end of the axle. The annula... | 08/31/1976 |
| 3974406 | Electrical machine In an electrical machine including a rotor, a plurality of permanent magnets mounted on the rotor, a stator spaced from the rotor by an air gap, and electrical windings disposed on the stator to be traversed by the magnetic fields of the permanent magnets... | 08/10/1976 |
| 3968390 | Synchronous motor A synchronous motor is provided with a rotor including magnetic poles composed of a permanent magnet fixed around a rotor shaft, a stator facing the outer periphery of the rotor with an air gap formed therebetween, and a guard ring made of a non-magnetic ... | 07/06/1976 |
| 3963949 | Laminated structure with insulating member formed in situ thereon Winding accommodating laminated structures having insulating member formed in situ thereon and method and apparatus for making same. Insulating member may include winding retaining elements that are useful while arranging one or more windings on the struc... | 06/15/1976 |
| 3961416 | Method of assembling a dyanamoelectric machine A method of assembling a dynamoelectric machine having a stationary member, a rotatable member, and a pair of means for rotatably supporting the rotatable member within the stationary member. In this method, beams are attached to the stationary member, an... | 06/08/1976 |
| 3955271 | Dynamoelectric machinery A dynamoelectric machine including stator and armature structures. The stator includes a yoke and a plurality of pole shoes carried thereby which include slots for receiving compensating coils. Strand-like elements are tightly packed within the slots betw... | 05/11/1976 |
| 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 |
| 3955273 | Method of manufacturing flat type wound armatures A flat armature is manufactured by forming a given number of coils over a separatable winding frame, fixing their relative positions by putting adhesive tapes across the coils on the frame, removing the coils from the frame, arranging a group of coils on ... | 05/11/1976 |
| 3953754 | Stator for electric machines A stator for electric motors including a rotor and consisting of at least a pair of stacks each comprised of a plurality of laminations arranged with their sides in the direction of the rotor axis, the edge portions of the laminations running in the axial... | 04/27/1976 |
| 3952406 | Method of securing the rotor winding of a turbo-generator rotor A turbo-generator with a rotor winding includes a plurality of slots in which the rotor windings are inserted and a plurality of slot wedges, at least two slot wedges lying in each slot on the outside of the winding and being electrically connected with e... | 04/27/1976 |
| 3942054 | Stator winding for a miniature brushless DC motor In a stator winding for a miniature brushless dc motor comprising a plurality of component windings designed as frame windings injection molded in plastic and nested together in such a manner that they form a cylinder surrounding the permanent magnet roto... | 03/02/1976 |
| 3939368 | Liquid-cooled rotor for dynamoelectric machines A liquid-cooled rotor is provided for large dynamoelectric machines, such as turbine generators, in which a coolant liquid such as water is supplied through a shaft bore and radial passages to an annular distribution chamber on the surface of the rotor. W... | 02/17/1976 |
| 3932928 | Method of insulating stator coils An apparatus and method for producing a replicate, void free, impermeable, ymmetrical electrical insulation barrier for stator motor coils is described wherein a silicone rubber compound is employed as an insulator around the preformed stator coils in a co... | 01/20/1976 |
| 3932929 | Method of making a sectioned stator for a dynamoelectric machine A method of manufacturing rotating electric machines comprising a stator and a rotor consisting of the steps of forming the stator in at least two sections by permanently moulding in a plastic mass at least the means providing the magnetic flux, positioni... | 01/20/1976 |
| 3932779 | Turbo-generator rotor with a rotor winding and a method of securing the rotor winding A turbo-generator with a rotor winding includes a plurality of slots in which the rotor windings are inserted and a plurality of slot wedges, at least two slot wedges lying in each slot on the outside of the winding and being electrically connected with e... | 01/13/1976 |
