Submersible motor components unit for a submersible electric motor

Claim 2

A disposable submersible motor components unit for use with s submersible electric motor having a rotor and a stator surrounding the rotor, motor field windings in the stator, and a first plug-type disconnect means on the lower end of the stator; said motor components unit including a plastic outer housing having sidewall means and an end wall means closing one end of the housing, said end wall means having a connector passage extending therethrough to register with the plug-type disconnect means on the motor, a second plug-type disconnect means on the components housing including an elastomeric plug extending into said opening in said end wall means and sealing said opening and an electrical connector element mounted in said plug, a motor capacitor in said housing and spaced from the side and end walls thereof, conductor means in the housing electrically connecting said motor capacitor to said electrical connector element, a resinous potting material filling said chamber around said capacitor and conductor means and bonded to said elastomeric plug forming a unitary resinous body enclosing said capacitor and conductor means and sealing the same from the surrounding medium and fastener means engaging said outer housing for detachably mounting the motor components unit on the motor.

Claim 3

A disposable submersible motor components unit for use with a submersible electric motor having a rotor anD an annular stator surrounding the rotor, motor field windings in the stator, and a first plug-type electrical disconnect means at one end of the motor, said motor components unit comprising a plastic outer housing including a first housing section having one end thereof adapted for engagement with said one end of the motor and an opening in said one end of said first housing section arranged to register with the first plug-type electrical disconnect means on said one end of the motor, a second plug-type electrical disconnect means on the components housing including an elastomeric plug extending into said opening and sealing said opening and an electrical connector element mounted in said plug, said plastic outer housing including a second housing section extending from the other end of said first housing section to form a motor components chamber therewith, motor control component means disposed within said housing, conductor means connecting said motor control component means to said second electrical disconnect means on said first housing section, a resinous potting material filling said first and second housing sections around said motor control component means and conductor means and bonded to said elastomeric plug forming a unitary resinous body enclosing said motor control component means and sealing the same from contact with the surrounding medium, and mounting means engaging said second housing section and adapted for connection to the motor for securing said motor components unit to the motor.

Claim 4

A disposable submersible motor components unit for use with a submersible electric motor having a rotor anD an annular stator surrounding the rotor, motor field windings in the stator, and a first plug-type electrical disconnect means at one end of the motor, said motor components unit comprising a plastic outer housing including a first housing section having one end thereof adapted for engagement with said one end of the motor and an opening in said one end of said first housing section arranged to register with the first plug-type electrical disconnect means on said one end of the motor, a second plug-type electrical disconnect means on the components housing including an elastomeric plug extending into said opening and sealing said opening and an electrical connector element mounted in said plug, said plastic outer housing including a second housing section extending from the other end of said first housing section to form a motor components chamber therewith, motor control component means disposed within said housing, conductor means connecting said motor control component means to said second electrical disconnect means on said first housing section, a resinous potting material filling said first and second housing sections around said motor control component means and conductor means and bonded to said elastomeric plug forming a unitary resinous body enclosing said motor control component means and sealing the same from contact with the surrounding medium, and mounting means engaging said second housing section and adapted for connection to the motor for securing said motor components unit to the motor.

Claim 5

The combination of claim 2 wherein said first housing section includes end wall means and sidewall means around said end wall means defining a generally cup-shaped first housing section.

Claim 6

A submersible motor components unit for use with a submersible electric motor having a rotor and an annular stator surrounding the rotor, motor field windings in the stator, and a first electrical disconnect means at one end of the motor, said motor components unit including a first housing section having one end thereof adapted for engagement with said one end of the motor and a second electrical disconnect mounted in said one end of said first housing section to register with the first electrical disconnect means on said one end of the motor, said first housing section including end wall means and sidewall means around said end wall means defining a generally cup-shaped first housing section, a second housing section extending from the other end of said first housing section to form a motor components chamber therewith, motor control component means disposed within said housing, conductor means connecting said motor control component means to said second electrical disconnect means on said first housing section, a resinous potting material filling said first and second housing sections around said motor control component means forming a unitary resinous body enclosing said motor control component means and sealing the same from contact with the surrounding medium, said second housing section having lug means externally of said motor components chamber, and mounting means including tie bolts engaging said lug means on said second housing section and extending alongside said sidewall means of said first housing section and adapted for connection to the motor for securing said motor components unit to said one end of the motor.

Claim 7

A submersible motor components unit for use with a submersible electric motor having a rotor and an annular stator surrounding the rotor, motor field windings in the stator, and a first electrical disconnect means at one end of the motor, said motor components unit including a first housing section having one end thereof adapted for engagement with said one end of the motor and a second electrical disconnect mounted in said one end of said first housing section to register with the first electrical disconnect means on said one end of the motor, said first housing section including end wall means and sidewall means around said end wall means defining a generally cup-shaped first housing section, a second housing section extending from the other end of said first housing section to form a motor components chamber therewith, motor control component means disposed within said housing, conductor means connecting said motor control component means to said second electrical disconnect means on said first housing section, a resinous potting material filling said first and second housing sections around said motor control component means forming a unitary resinous body enclosing said motor control component means and sealing the same from contact with the surrounding medium, said second housing section having lug means externally of said motor components chamber, and mounting means including tie bolts engaging said lug means on said second housing section and extending alongside said sidewall means of said first housing section and adapted for connection to the motor for securing said motor components unit to said one end of the motor.

Claim 8

A submersible motor components unit for use with a submersible electric motor having a rotor and an annular stator surrounding the rotor, motor field windings in the stator, and a first electrical disconnect means at one end of the motor, said motor components unit including a first housing section having one end thereof adapted for engagement with said one end of the motor and a second electrical disconnect mounted in said one end of said first housing section to register with the first electrical disconnect means on said one end of the motor, said first housing section including end wall means and sidewall means around said end wall means defining a geneRally cup-shaped first housing section, a second housing section extending from the other end of said first housing section to form a motor components chamber therewith, said first and second housing sections having telescopically interfitting parts on the adjacent ends thereof, motor control component means disposed within said housing, conductor means connecting said motor control component means to said second electrical disconnect means on said first housing section, a resinous potting material filling said first and second housing sections around said motor control component means forming a unitary resinous body enclosing said motor control component means and sealing the same from contact with the surrounding medium, and mounting means engaging said second housing section and adapted for connection to the motor for securing said motor components unit to the motor.

Claim 9

A submersible motor components unit for use with a submersible electric motor having a rotor and an annular stator surrounding the rotor, motor field windings in the stator, and a first electrical disconnect means at one end of the motor, said motor components unit including a first housing section having one end thereof adapted for engagement with said one end of the motor and a second electrical disconnect mounted in said one end of said first housing section to register with the first electrical disconnect means on said one end of the motor, said first housing section including end wall means and sidewall means around said end wall means defining a geneRally cup-shaped first housing section, a second housing section extending from the other end of said first housing section to form a motor components chamber therewith, said first and second housing sections having telescopically interfitting parts on the adjacent ends thereof, motor control component means disposed within said housing, conductor means connecting said motor control component means to said second electrical disconnect means on said first housing section, a resinous potting material filling said first and second housing sections around said motor control component means forming a unitary resinous body enclosing said motor control component means and sealing the same from contact with the surrounding medium, and mounting means engaging said second housing section and adapted for connection to the motor for securing said motor components unit to the motor.

Claim 10

A submersible motor components unit for use with a submersible electric motor having a rotor and an annular stator surrounding the rotor, motor field windings in the stator, and a first electrical disconnect means at the lower end of the motor, said motor components unit including a first plastic housing section having end wall means adapted for engagement with the lower end of the motor and sidewall means extending downwardly around said end wall means and terminating at an open lower end, a second plastic housing section having its upper end engaging the lower end of the first section and extending downwardly therefrom to define a components chamber with the first section, a second electrical disconnect means on said end wall means arranged to register with said first disconnect means on the motor, said second housing sections having lugs extending laterally from said one end thereof outwardly of said chamber, tie bolts engaging said lugs on said second housing section and extending alongside the sidewalls of said first housing section for attaching the unit to the motor, a motor capacitor disposed in said chamber and having conductor means connecting the same to said second electrical disconnect means, and a resinous potting material filling said chamber around said motor capacitor and conductor means forming a unitary resinous body enclosing said motor capacitor and sealing the same from contact with the surrounding medium.

Claim 11

A submersible motor components unit for use with a submersible electric motor having a rotor and an annular stator surrounding the rotor, motor field windings in the stator, and a first electrical disconnect means at the lower end of the motor, said motor components unit including a first plastic housing section having end wall means adapted for engagement with the lower end of the motor and sidewall means extending downwardly around said end wall means and terminating at an open lower end, a second plastic housing section having its upper end engaging the lower end of the first section and extending downwardly therefrom to define a components chamber with the first section, a second electrical disconnect means on said end wall means arranged to register with said first disconnect means on the motor, said second housing sections having lugs extending laterally from said one end thereof outwardly of said chamber, tie bolts engaging said lugs on said second housing section and extending alongside the sidewalls of said first housing section for attaching the unit to the motor, a motor capacitor disposed in said chamber and having conductor means connecting the same to said second electrical disconnect means, and a resinous potting material filling said chamber around said motor capacitor and conductor means forming a unitary resinous body enclosing said motor capacitor and sealing the same from contact with the surrounding medium.

Claim 12

The combination of claim 6 wherein said end wall means has an opening therethrough registering with the first electrical disconnect means on the motor, said second electrical disconnect means including a plug body of resilient material in said opening and a connector element in said plug body, said plug body being sealed to said body of resinous potting material.

Claim 13

The combination of claim 6 wherein said housing sections have locating ribs on the inner sides thereof for spacing said motor capacitor from the walls of said first and second housing sections.

Claim 14

The combination of claim 6 wherein the sidewalls of said first and second housing sections have a generally oblate cross section, said lugs on said second section extending laterally from adjacent the minor cross-sectional dimension of said second housing section.