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| Number | Title | Issue Date |
| 4341968 | Support means for high-temperature generator stators Means for assembling ferromagnetic stators of rotating electric machines to housings made of lightweight alloys where high temperature operation causes loss of interference fit between stator and housing. Keys are equally spaced about the housing and are ... | 07/27/1982 |
| 4338533 | Electric machine excited by permanent magnets An electric machine without pole pieces excited by permanent magnets is disclosed in which the stator of the machine comprises a yoke frame of angular outside shape having an even number of corners which exceeds 2 and of circular inside shape. The yoke fr... | 07/06/1982 |
| 4318218 | Method of making a dynamoelectric machine stator assembly A packaged stator core assembly and a method of making such an assembly and mounting it on a housing frame. Arcuately spaced tension ribs secure two annular clamping flanges in compression against opposite ends of a stack of stator laminations. Torque rib... | 03/09/1982 |
| 4319150 | End shield mounting system for dynamoelectric machine An electric motor in which concentricity between stator and rotor is maintained solely by frictional forces between radial faces of the motor's end shields and radial faces of the stator. The motor is assembled by positioning the rotor in the stator by sh... | 03/09/1982 |
| 4316112 | Electricity generator An inductor alternator having a stator formed from an annular yoke with laminated pole pieces secured to the internal periphery thereof by welding through slots in the yoke. The rectifiers for rectifying the alternating current are located in a detachable... | 02/16/1982 |
| 4291249 | Rotating electric machine with fluid supported parts A rotating electric machine in which the armature winding thereof and other parts are supported by a liquid to withstand the mechanical stresses applied during transient overloads and the like. In particular, a narrow gap is provided between the armature ... | 09/22/1981 |
| 4284920 | Dynamoelectric machine stator assembly A packaged stator core assembly and a method of making such an assembly and mounting it on a housing frame. Arcuately spaced tension ribs secure two annular clamping flanges in compression against opposite ends of a stack of stator laminations. Torque rib... | 08/18/1981 |
| 4278905 | Apparatus for supporting a stator winding in a superconductive generator An apparatus for supporting a stator winding in a superconductive generator. The apparatus includes a plurality of integral stator bars positioned in the air-gap between the yoke and the rotor and a plurality of non-conductive supporting teeth interspaced... | 07/14/1981 |
| 4270066 | Miniature motor for an electronic timepiece including a stator having a non-magnetic reinforcing ring In an electronic timepiece motor, a one-piece stator of magnetic material having a hole therethrough bounded by a circumferential sidewall and defining a pair of stator portions connected by narrow bridges having small cross sections. The narrow bridges d... | 05/26/1981 |
| 4258280 | Supporting structure for slow speed large diameter electrical machines A supporting structural component such as a bearing for the rotor of a slow speed large diameter electrical machine the rotor of which rotates about a vertical axis comprises concentric inner and outer rings joined by rigid rectilinear spoke-like connecti... | 03/24/1981 |
| 4250423 | Generator with stator retention A generator having a stator and a rotor mounted for rotation relative to the stator, a generally cylindrical support structure for the stator either in the form of a housing or a support ring within the housing, said stator and support structure being for... | 02/10/1981 |
| 4249097 | Dynamoelectric machine having uniformly circumferentially displaceable stator core The stator core of a dynamoelectric machine is end-supported by a flexible mounting which includes bore rings encircling the stator core near each axial end and at spaced-apart locations intermediate thereto. Outer and inner place springs axially extend i... | 02/03/1981 |
| 4234808 | Stepping motor A stepping motor of the homopolar design with a step angle of 3.6° and having a generally cubic form is disclosed. The motor includes a generally square, single-section laminated stator which has only four stator poles extending radially inwardly from th... | 11/18/1980 |
| 4230960 | Flexible mounting for an end-supported stator core The stator core of a dynamoelectric machine is end-supported by a flexible mounting which includes bore rings encircling the stator core at spaced-apart locations. Outer and inner plate springs extend independently along each exterior side of the stator c... | 10/28/1980 |
| 4227109 | System for providing uniform axial expansion of a stator core A system for ensuring uniform axial expansion of a dynamoelectric machine's stator core subjected to elevated temperatures. The stator core constitutes axially adjacent ferromagnetic laminations held in axial compression by through-bolts axially extending... | 10/07/1980 |
| 4220883 | Stator core for electric motor with transformer coil or the like incorporated therein but magnetically isolated therefrom The stator core assembly for an electric motor, particularly such a motor in which operating characteristics of the motor is accomplished by means of a secondary coil, such as a choke coil. The stator core assembly comprises a plurality of laminations mad... | 09/02/1980 |
| 4217510 | Vibration damping stator structure for a hydrogenerator A hydrogenerator comprises a rotor with poles and a stator formed as a ring consisting of separate sectors secured to each other, the angle of every stator sector being of such a value that the product of that value and the number of rotor pole pairs is a... | 08/12/1980 |
| 4214182 | Support structure for armature conductors Armature conductors are mounted to the ferromagnetic stator core of an AC machine by a plurality of flexible supports. Each support comprises a plurality of teeth interleaved with spacers having a discontinuity which creates a spring section on each tooth... | 07/22/1980 |
| 4207484 | Support apparatus for an electrical rotary machine An electrical rotary machine wherein a plurality of hollow tubular axial support beams are affixed to a stator of the rotary machine and the top surface of the beams supports the stator in a horizontally aligned operational position. The rotor of the mach... | 06/10/1980 |
| 4173724 | Two part laminated stator for an electric machine with an air-gap winding Stator of an electric machine having an air-gap winding with every respective second bar thereof being radially outwardly cranked in the end turn region thereof includes a laminated core subdivided radially into two concentric component laminated cores an... | 11/06/1979 |
| 4143289 | Rotational field sensor A rotational field, such as is produced by the rotation of a motor vehicle alternator rotor, has placed therein a conductor coil which is cut by the lines of force, or flux lines, of the rotating field. The coil is wound upon a magnetic strip which in tur... | 03/06/1979 |
| 4137471 | Stator winding structure for gap winding type electric rotary machine In a gap winding type electric rotary machine, a stator winding consisting of a plurality of stator coils is mounted on the inner surface of a stator core within the air gap defined by the clearance between the stator core and the rotor core, in such a ma... | 01/30/1979 |
| 4134036 | Motor mounting device A device for mounting an electric motor stator within an outer housing is disclosed. The mounting structure comprises a longitudinally convoluted hollow metal cylinder having three longitudinal plates attached at 120° intervals to its outer wall. The cyl... | 01/09/1979 |
| 4134035 | Fractional horsepower motors with selectable winding windows One disclosed motor includes winding leg and yoke laminations that form a core yoke section and a core winding leg (or coil core). An excitation coil is supported on the coil core; and the coil core and core yoke are relatively oriented so that a first su... | 01/09/1979 |
| 4131989 | Method of manufacturing an electric motor An electric motor comprising a rotor and a stator which comprises two magnetic blocks fixed in confronting relation on a frame of iron or magnetic sheet. The blocks are respectively fixed on two support elements which are interconnected by two covers of i... | 01/02/1979 |
| 4110644 | Dynamoelectric machine end shield arrangement An electric motor having a laminated stator core, a pair of formed end shields cemented to the stator core, and a rotor journaled in the end shields is provided with mounting tabs for the end shield pair that mate or intermesh with one another when positi... | 08/29/1978 |
| 4101082 | Electric motor-driven coffee mill An electric motor-driven coffee mill having a housing, a circular grinding cup obliquely arranged in the housing, a beater blade rotatably supported above the bottom of the cup, and below the bottom of the cup, a salient-pole motor with an asymmetrically ... | 07/18/1978 |
| 4082972 | Small synchronous electric motor An electric motor, particularly a small synchronous motor, which includes a stator made in two identical portions designed to be joined face-to-face, each portion stamped from sheet metal to form a number of pole teeth as well as members for interconnecti... | 04/04/1978 |
| 4076989 | Housing and stator assembly for a dynamoelectric machine A cylindrical case for a dynamoelectric machine has an open axial end and an inner axial stop surface inside said end. A stator assembly has peripheral ears abutting the inner axial stop surface and a guide ear projecting radially into an axial guide chan... | 02/28/1978 |
| 4071788 | Dynamoelectric machine field assembly A field assembly for a dynamoelectric machine, particularly for electric engine cranking motors. The field assembly is comprised of a one piece field frame member formed of a high density compacted atomized iron powder. The one piece frame has a generally... | 01/31/1978 |
| 4060744 | Rotary electrical machine or vertical construction A support structure for the stator component of an electrical machine having a larger diameter, the rotor of which rotates about a vertical axis. The stator and foundation on which the stator rests form concentric inner and outer rings respectively joined... | 11/29/1977 |
| 4051399 | Dynamoelectric machine including gas baffles A dynamoelectric machine including a stator core mounted on keybars. The keybars are in turn supported on spring bars which are fastened to the frame of the machine. The mounting arrangement permits relative movement between the core and the frame and bet... | 09/27/1977 |
| 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 |
| 4013910 | Electric motor, stator and lamination therefor A two-pole off-set construction of an electric motor has winding portion laminations and rotor portion laminations which are separate so that the winding may be formed or placed on the winding portion and then the two portions of the stator interconnected... | 03/22/1977 |
| 4012654 | Single-phase synchronous machine A resilient structure for mounting the stator component of a synchronous electrical machine on its baseplate includes a plurality of spring brackets interconnecting respective points of attachment on the periphery of the stator component with the baseplat... | 03/15/1977 |
| 3988622 | Dynamo-electric machine with prestressed laminated stator component The laminated stator component of a dynamo-electric machine is prestressed in such manner as to free the laminations from temperature-induced compressive stresses that otherwise may result in displacement of the laminations. In particular, the stator lami... | 10/26/1976 |
| 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 |
| 3980909 | Universal and D.C. motors with improved field structure for portable tools and appliances A small motor, for either universal or D. C. applications and useful in the fractional horsepower range, is described. The motor includes a wound armature, commutator and brushes, and a two pole wound field. The motor may be of the series, shunt or compou... | 09/14/1976 |
