Dynamoelectric machines

Claim 2

A structural assembly comprising a dynamoelectric machine stator assembly; a movable assembly; at least one bearing means for mounting the assemblies for relative motion; a substantially rigid member formed for connecting the at least one bearing means and stator assembly together, for protecting the stator assembly from impact loads applied to the dynamoelectric machine, and for aiding in the effective dissipation of heat from the stator assembly generated during operation of the dynamoelectric machine; and securing means embedded in the substantially rigid member to provide for fastening together the dynamoelectric machine with another device; said substantially rigid member including an impact resistant self-supporting substantially rigid mass of inert particulate material held together and secured to the stator assembly, said substantially rigid member providing effective heat dissipation when the dynamoelectric machine is operated, and said substantially rigid member comprising from about 65 to about 80 percent by weight of inert particulate material and from about 20 to about 35 percent by weight of resinous material, and the particulate material comprises at least about 50% by weight 40 to 100 mesh size particles said securing means includes a plastic member having at least one aperture for receiving a fastening means.

Claim 3

The structure of claim 1 wherein said securing means includes termination locating means.

Claim 4

The structure of claim 2 wherein said securing means is a plastic device molded against the stator assembly.

Claim 5

The structure of claim 3 wherein said stator assembly includes a magnetic core having at least one peripheral recess and the securing means comprises a member having at least a portion thereof located in the at least one peripheral recess.

Claim 6

The structure of claim 4 wherein the securing means is formed of metallic material and at least a portion thereof is tightly held in the at least one peripheral recess.

Claim 7

A dynamoelectric machine comprising a stator assembly including a stator core and at least one winding; a movable assembly; at least one bearing means for mounting the assemblies for relative motion; a self-supporting substantially rigid mass of material forming a member useable for connecting the at least one bearing means and stator assembly together, and for aiding in the effective dissipation of heat from the stator assembly during operation of the dynamoelectric machine; an barrier means for isolating the stator core from fluids admitted to the interior of the dynamoelectric machine; said rigid mass of material including resinous material and inert particulate material, the particulate material comprising at least about 50% by weight 40 to 100 mesh size particles that are held together and secured to the stator assembly by the resinous material; the substantially rigid mass of material comprising from about 65 to about 80 percent by weight of inert particulate material and from about 20 to about 35 percent by weight of resinous material; the movable assembly being mounted in spaced relation to the stator assembly and forming an axially extending air gap Ith the finished bore of the machine; the dynamoelectric machine further comprising an end frame extending across one end of the finished bore and secured to the housing means; said end frame defining a number of spaced apart openings in axial alignment with the air gap to provide an unobstructed path between the air gap and the openings in the end frame, said openings being of a predetermined size access is provided to the air gap for removing shim means therefrom during assembly of the dynamoelectric machine components.

Claim 8

A dynamoelectric machine comprising a stator assembly including a stator core and at least one winding; a movable assembly; at least one bearing means for mounting the assemblies for relative motion; a self-supporting substantially rigid mass of material forming a member useable for connecting the at least one bearing means and stator assembly together, and for aiding in the effective dissipation of heat from the stator assembly during operation of the dynamoelectric machine; an barrier means for isolating the stator core from fluids admitted to the interior of the dynamoelectric machine; said rigid mass of material including resinous material and inert particulate material, the particulate material comprising at least about 50% by weight 40 to 100 mesh size particles that are held together and secured to the stator assembly by the resinous material; the substantially rigid mass of material comprising from about 65 to about 80 percent by weight of inert particulate material and from about 20 to about 35 percent by weight of resinous material; the movable assembly being mounted in spaced relation to the stator assembly and forming an axially extending air gap Ith the finished bore of the machine; the dynamoelectric machine further comprising an end frame extending across one end of the finished bore and secured to the housing means; said end frame defining a number of spaced apart openings in axial alignment with the air gap to provide an unobstructed path between the air gap and the openings in the end frame, said openings being of a predetermined size access is provided to the air gap for removing shim means therefrom during assembly of the dynamoelectric machine components.

Claim 9

A dynamoelectric machine comprising a stator assembly including a stator core and at least one winding; a movable assembly; at least one bearing means for mounting the assemblies for relative motion; a self-supporting substantially rigid mass of material forming a member useable for connecting the at least one bearing means and stator assembly together, and for aiding in the effective dissipation of heat from the stator assembly during operation of the dynamoelectric machine; and barrier means for isolating the stator core from fluids admitted to the interior of the dynamoelectric machine; said rigid mass of material including resinous material and inert particulate material, the particulate material comprising at least about 50% by weight 40 to 100 mesh size particles that are held together and secured to the stator assembly by the resinous material; the substantially rigid mass of material comprising from about 65 to about 80 percent by weight of insert particulate material and from about 20 to about 35 percent by weight of resinous material; the stator core comprising a plurality of laminations defining a bore through the stator core, and the barrier means in a form of a sleeve lining the bore through the stator core and defining at least a portion of the finished bore of the machine.

Claim 10

A dynamoelectric machine comprising a stator assembly including a stator core and at least one winding; a movable assembly; at least one bearing means for mounting the assemblies for relative motion; a self-supporting substantially rigid mass of material forming a member useable for connecting the at least one bearing means and stator assembly together, and for aiding in the effective dissipation of heat from the stator assembly during operation of the dynamoelectric machine; and barrier means for isolating the stator core from fluids admitted to the interior of the dynamoelectric machine; said rigid mass of material including resinous material and inert particulate material, the particulate material comprising at least about 50% by weight 40 to 100 mesh size particles that are held together and secured to the stator assembly by the resinous material; the substantially rigid mass of material comprising from about 65 to about 80 percent by weight of insert particulate material and from about 20 to about 35 percent by weight of resinous material; the stator core comprising a plurality of laminations defining a bore through the stator core, and the barrier means in a form of a sleeve lining the bore through the stator core and defining at least a portion of the finished bore of the machine.