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Class 29/596 - Dynamoelectric machine


Subclass of Class 29 - Metal working
Definition: Process for making a device which is adapted to convert
No. of patents: 1825
Last issue date: 05/29/2012


                    46  
NumberTitleIssue Date
3990141Methods of making dynamoelectric machine structures
Shaft material of a given desired nominal diameter corresponding to a nominal desired shaft extension diameter for a particular motor is selected; shaft blanks are cut; optional operations such as chamfering and washing, grinding, machining of at least on...
11/09/1976
3986252Apparatus and methods involved in the manufacture of prime movers
Apparatus for assembling a generally annular member in gripping engagement and generally coaxially about a selected position on a shaft. The apparatus has a pair of means conjointly and relatively movable axially with respect to the shaft and operable gen...
10/19/1976
3984908Stator terminal assembly machine
An apparatus for attaching slotted plate terminals or the like to individual wires such as the wires of a stator coil in an induction motor is disclosed. A rotatable arbor positions the stator in alignment with an insertion track and ram. A terminal is in...
10/12/1976
3985163Apparatus and method for forming circular dynamoelectric machine field windings by pushing
An apparatus and method for placing magnet wire in slots respectively defined by the blades of coil insertion apparatus which lie on an imaginary cylinder thereby to form a circular dynamoelectric machine field winding. The wire is pushed and simultaneous...
10/12/1976
3985164Apparatus and method for forming circular dynamoelectric machine field windings by pushing
An apparatus and method for placing magnet wire in slots respectively defined by the blades of coil insertion apparatus which lie on an imaginary cylinder thereby to form a circular dynamoelectric machine field winding. The wire is pushed and simultaneous...
10/12/1976
3983621Methods of making fractional horsepower motors
One disclosed method involves punching winding leg and yoke laminations from a strip, subsequently forming a core yoke section, and forming a core winding leg (or coil core). Thereafter, an excitation coil is supported on the coil core, and the coil core ...
10/05/1976
3979822Process 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
3974873Method for attaching an end frame and another structural component of a dynamoelectric machine
A method of attaching an end frame and another structural component of a dynamoelectric machine wherein the structural component is positioned within a receiving means therefor in the end frame. At least one of the end frame and structural component is mo...
08/17/1976
3973738Armature winding and leading connecting machine
A machine for winding wire coils on an armature core and connecting the coils to commutator tangs including a pair of fliers and an armature rotating mechanism particularly controlled to completely loop the coil lead wires about suitable commutator tangs ...
08/10/1976
3973151Stator assembly for a dynamoelectric machine and method of manufacturing same
A method of manufacturing stator assemblies for dynamo electric machines in which the stator assemblies are of the kind including a hollow cylindrical yoke carrying a pole member on its inner surface comprising starting with a pole member having upstandin...
08/03/1976
3962780Methods and apparatus for making electrical interconnections
Method of making at least two different electrical interconnections with at least two wires extending from windings supported on a dynamoelectric machine core. The method includes moving the core, windings, and at least two wires toward a wire connecting ...
06/15/1976
3961416Method 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
3958325Method and apparatus for making stators for electrical machines
Annular metallic blanks which consist of packages of interconnected laminae or of sheet metal strips which are coiled edgewise and whose strata are riveted or otherwise secured to each other are converted into stators for electrical machines by cold formi...
05/25/1976
3955272Method 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
3955271Dynamoelectric 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
3953921Tieless method for supporting end turns of a dynamoelectric machine
A dynamoelectric machine is provided with a tieless bracing means for rigidly supporting the winding end turns thereof in operating position. The tieless bracing arrangement affords axial and radial movement of a compressible annulus while avoiding torsio...
05/04/1976
3949464Contemporaneous insertion of overlapping coils
Apparatus for assembling coils into the slots of stators and the like including a plurality of radially extending risers movable through a stator bore to lead pole coil groups into stator slots and a plurality of radially extending protuberances for urgin...
04/13/1976
3948690Molded magnetic cores utilizing cut steel particles
There is disclosed a magnetic core and the method of making the same. The core is formed of a plurality of microlaminations. Since each discrete microlamination is of elongated rectangular shape, soft, ductile and magnetically insulated, the cores exhibit...
04/06/1976
3932928Method 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
3932929Method 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
3932930Method of making dynamoelectric machines and assemblies therefor
Lubrication system includes lubricant reservoir that contains an extrudable base material impregnated with lubricant, such as oil. Motor parts, including the reservoir defining parts, are readily assembled with one another and retaining means is provided ...
01/20/1976
3932811Method and apparatus for testing windings or the like
Apparatus and method for testing windings, as for determining proper winding connections, by sensing the magnetic fields produced at the windings when energized by a time varying signal. Output signals are produced in dependence upon the polarity or direc...
01/13/1976
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