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8179028 |
Prevention of core failures in large electric machines
The keybar that is attached to the frame of a dynamoelectric machine is broken into a bald keybar with mini-dovetails attached to it. The bald keybar is identical to the bolt portion of a...
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8159094 |
Electric motor having fluid circulation system and methods for cooling an electric motor
An electric motor having a housing, a stator mounted in the housing, and a rotor mounted in the housing for rotation relative to the stator about a central axis. A plurality of fluid flow passages...
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8084902 |
End plates for high speed generator applications
An end plate for a generator includes an end plate generally cylindrical and having a central bore to receive a rotor shaft. The end plate has a radially inner boss and a radially outer boss. The...
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8040014 |
Stator core suspension and related spring bar
A stator core suspension includes a frame for supporting a stator core; a keybar coupled to a stator core section of the stator core; and a spring bar coupled to the frame and coupled to the keybar...
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8004135 |
Electric motor and controller assembly with integrated sensor device
An integrated electric motor and controller assembly includes a motor, a controller mounted to the motor, and a sensor device disposed at an interface between the motor and the controller. The...
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7994691 |
Systems, methods, and apparatus for controlling key bar movement in a stator assembly
Systems, methods, and apparatus for controlling key bar movement in a stator assembly are provided. According to one embodiment, a stator assembly is provided that includes multiple core ring...
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7847444 |
Electric motor assembly with stator mounted in vehicle powertrain housing and method
An electric motor assembly in a vehicle powertrain is provided with a generally annular stator fit within an interior cavity of the powertrain defined by a housing. Roll pins are fit between the...
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7719159 |
Apparatus and method for constructing electrodynamic machines
A method, apparatus and system producing for electrodynamic machinery are disclosed. In one embodiment, an integrated stator-housing structure for constructing electrodynamic machines includes one...
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7714477 |
Stator of rotating electric machine and structure thereof
In a stator core support structure in a conventional rotating electric machine, it has been difficult to set the circumferential and radial stiffnesses with which elastic bars support a stator...
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7397163 |
Power generator stator assembly, a stator core module assembly, and a process for assembling a stator core module assembly within a stator frame
A stator core module assembly (20) is provided which is adapted to be mounted to at least one structural element (16, 18) coupled to a stator frame (10). The stator core module assembly comprises a...
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6661149 |
Motor
A motor includes a rotor, a stator having a core, end brackets, and plural binders. The stator core has plural layers and a plurality of axially extending dovetail grooves in its cylindrical outer...
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5796191 |
Bulb-type generator
In the bulb-type generator, the stator laminated body (2) is suspended on the housing ring (1) by means of V-shaped elements (14). The housing ring is reinforced by the V-shaped elements. Air or...
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5203070 |
Method of manufacturing a modular electrical generator
A method of designing and manufacturing an electrical generator which has a specific target power output rating includes the steps of selecting one of a predetermined, standardized set of diameters...
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4922150 |
Vertical-axis electrical machine of umbrella design
The vertical-axis electrical machine of umbrella design has a disc-shaped rotor (4), the combined thrust and guide bearing (12) which is mounted at the disc underside. The bearing rests on a...
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4891540 |
Generator core support system
A spring support system for supporting a stator core (2) in a frame of an electrical machine, the core (2) having a longitudinal axis and an outer periphery provided with a plurality of...
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4634909 |
Electric machine
In a large turbo-generator comprising a laminated stack (6) which has on its outside axial grooves (7) which are distributed over the entire circumference and which is there suspended in a housing...
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4593223 |
Bulb generator stator yoke
A stator yoke is provided for a bulb generator or motor. The stator yoke includes a cylindrical wrapping plate with flanges connected to the ends of the wrapping plate. Yoke plates are connected to...
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4564779 |
Dynamoelectric machine stator using cylindrical keybars
Keybars for affixing stator core laminations to annular web plates of a stator frame include a cylindrical portion and a dovetail portion. The cylindrical portion is closely fitted within...
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4469973 |
Resiliently suspended stator for a dynamo-electrical synchronous machine
The magnetic circuit (6) of the stator is suspended from resilient suspension bars (26) which are welded both to floating stiffening rings (30) that are firmly mounted on the magnetic circuit, and...
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4425523 |
Core spring support system for a dynamoelectric machine
A core support system is described by which the core structure and frame structure of a dynamoelectric machine can be manufactured independently in parallel operations and later assembled. The...
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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...
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4204313 |
Method of assembling stator core of electric machine inside the housing thereof
A method of assembling a stator core of an electric machine inside the housing thereof comprises securing resilient coupling ribs with their resilient portions to the housing, the resilient...
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4160180 |
Rotor lamination support for vertical hydro-generator
A rotor of a large size vertical hydro-generator, comprising a shaft and a frame with wedge strips attached thereto and provided in their lower portions with a dismountable support means for...
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4110652 |
Mounting assembly for laminated rotor rim of dynamoelectric generator rotatable about inclined shaft
A rotor assembly for a dynamoelectric generator having a spider sub-assembly that is rotatable around a non-vertical axis; characterized by having a plurality of articulated key assemblies...
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3787744 |
LAMINATED IRON CORE OF ROTARY ELECTRIC MACHINES
A newly developed laminated iron core is composed of number of unit segments, each of which is shaped such that one radial marginal periphery defines a half of a coil slot and the opposite...
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3708707 |
FRAME AND CORE-TYPE DYNAMO-ELECTRIC MACHINE
A turbo-generator structure in which the stator, composed of a stack of laminations, is provided with a plurality of uniformly circumferentially spaced longitudinally extending dove-tailed grooves...
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3652889 |
LAMINATED DYNAMOELECTRIC MACHINE CORE AND METHOD OF STACKING
A dynamoelectric machine core is built up of laminations or punchings supported on longitudinal keybars, the laminations being asymmetrical with respect to the tooth and slot portions on the inner...
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3531667 |
LOW FREQUENCY STATOR FRAMES FOR DYNAMOELECTRIC MACHINES
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3414749 |
Cooling and securing motor laminations
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3221195 |
Core for dynamoelectric machines
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2846603 |
Dynamo electric machines
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