Plural electric motors

Claim 2

An electric motor comprising a stator having a plurality of poles associated with inductive windings, an armature, and commutating means for electrical connection to a supply of electrical energy and electrically connected to said inductive windings, and a further armature drivingly coupled to said commutating means and mounted within said stator for rotation therein independent of said armature, and further armature speed control means.

Claim 3

An electric motor comprising a stator having a plurality of poles associated with inductive windings, an armature, a pump impeller integral with said armature for rotation therewith, commutating means for connection to a supply of electrical energy and electrically connected to said inductive windings, and a further armature drivingly coupled to said commutating means and mounted within said stator for rotation therein independent of said armature, and means for fluidly isolating said armature from said stator said commutating means and said further armature, and further armature speed control means.

Claim 4

An electric motor comprising a stator having a plurality of poles associated with inductive windings, an armature, a pump impeller integral with said armature for rotation therewith, commutating means for connection to a supply of electrical energy and electrically connected to said inductive windings, and a further armature drivingly coupled to said commutating means and mounted within said stator for rotation therein independent of said armature, and means for fluidly isolating said armature from said stator said commutating means and said further armature, and further armature speed control means.

Claim 5

An electric motor comprising a stator having a plurality of poles associated with inductive windings, an armature, commutating means for electrical connection to a supply of electrical energy and electrically connected to said inductive windings, a further armature drivingly coupled to said commutating means and mounted within said stator for rotation therein independent of said armature, and further armature speed control means comprising a ring of material of high electrical conductance attached to said further armature to rotate therewith and having a magnet adjustably mounted adjacent said ring with the field of the magnet passing through the material of said ring.

Claim 6

An electric motor comprising a stator having a plurality of poles associated with inductive windings, an armature, commutating means for electrical connection to a supply of electrical energy and electrically connected to said inductive windings, a further armature drivingly coupled to said commutating means and mounted within said stator for rotation therein independent of said armature, and further armature speed control means comprising a ring of material of high electrical conductance attached to said further armature to rotate therewith and having a magnet adjustably mounted adjacent said ring with the field of the magnet passing through the material of said ring.

Claim 7

An electric motor comprising a stator having a plurality of poles associated with inductive windings, an armature, commutating means for electrical conduction to a supply of electrical energy and electrically connected to said inductive winding, a further armature drivingly coupled to said commutating means and mounted within said stator for rotation therein independent of said armature wherein said further armature is provided with inductive windings electrically connected to slip rings and brushes therewith, and further armature speed control means comprising electric circuit control means electrically connected to said brushes for connection to a supply of electrical energy.

Claim 8

An electric motor comprising a stator having a plurality of poles associated with inductive windings, an armature, commutating means for electrical conduction to a supply of electrical energy and electrically connected to said inductive winding, a further armature drivingly coupled to said commutating means and mounted within said stator for rotation therein independent of said armature wherein said further armature is provided with inductive windings electrically connected to slip rings and brushes therewith, and further armature speed control means comprising electric circuit control means electrically connected to said brushes for connection to a supply of electrical energy.

Claim 9

An electric motor comprising a stator having a plurality of poles associated with inductive windings, an armature, commutating means comprising a plurality of electrically conductive contact segments in fixed and annular arrangement about an axis with each said segment being electrically insulated from the other said segments and electrically connected to at least one of said inductivE windings and brush means for connection to a supply of electrical energy mounted for driven rotation about said axis in successive sliding contact with said segments, a further armature drivingly coupled to said commutating means and mounted within said stator for rotation therein independent of said armature, and further armature speed control means.

Claim 10

An electric motor comprising a stator having a plurality of poles associated with inductive windings, an armature, commutating means comprising a plurality of electrically conductive contact segments in fixed and annular arrangement about an axis with each said segment being electrically insulated from the other said segments and electrically connected to at least one of said inductivE windings and brush means for connection to a supply of electrical energy mounted for driven rotation about said axis in successive sliding contact with said segments, a further armature drivingly coupled to said commutating means and mounted within said stator for rotation therein independent of said armature, and further armature speed control means.

Claim 11

An electric motor comprising a stator having a plurality of poles associated with inductive windings; an armature; commutating means electrically connected to said inductive windings and for connection to a supply of electrical energy where said commutating means comprises a cylindrical housing with an annular channel formed in the periphery thereof containing mercury, a disc the periphery of which extends into said channel in spaced relationship therewith, wave-making means attached to said disc adjacent the periphery thereof and immersed in said mercury, bearing means supporting said disc for rotation within said housing, magnetic means attached to said disc for rotation therewith, and a plurality of electrical contacts electrically insulated one from the other and from said housing extending into said housing in fixed annular arrangement concentric therewith with the end of each said contact extending toward and into said channel but spaced therefrom and with each said contact being electrically connected to at least one said inductive winding; and independent and controllable commutator driving means where said driving means comprises an independent variable speed motor having a shaft and further magnetic means attached to said shaft for rotation therewith mounted adjacent and external to said housing in magnetic coupling with said magnetic means.

Claim 12

An electric motor comprising a stator having a plurality of poles associated with inductive windings; an armature; commutating means electrically connected to said inductive windings and for connection to a supply of electrical energy where said commutating means comprises a cylindrical housing with an annular channel formed in the periphery thereof containing mercury, a disc the periphery of which extends into said channel in spaced relationship therewith, wave-making means attached to said disc adjacent the periphery thereof and immersed in said mercury, bearing means supporting said disc for rotation within said housing, magnetic means attached to said disc for rotation therewith, and a plurality of electrical contacts electrically insulated one from the other and from said housing extending into said housing in fixed annular arrangement concentric therewith with the end of each said contact extending toward and into said channel but spaced therefrom and with each said contact being electrically connected to at least one said inductive winding; and independent and controllable commutator driving means where said driving means comprises an independent variable speed motor having a shaft and further magnetic means attached to said shaft for rotation therewith mounted adjacent and external to said housing in magnetic coupling with said magnetic means.

Claim 13

An electric motor comprising a stator having a plurality of poles associated with inductive windings; an armature; a pump impeller integral with said armature for rotation therewith; commutating means for connection to a supply of electrical energy and electrically connected to said inductive windings; a further armature drivingly coupled to said commutating means and mounted within said stator for rotation therein independent of said armature; means for fluidly isolating said armature from said stator, said commutating means and said further armature; and a further armature speed control means comprising eddy current brake means.

Claim 14

An electric motor comprising a stator having a plurality of poles associated with inductive windings; an armature; a pump impeller integral with said armature for rotation therewith; commutating means for connection to a supply of electrical energy and electrically connected to said inductive windings; a further armature drivingly coupled to said commutating means and mounted within said stator for rotation therein independent of said armature; means for fluidly isolating said armature from said stator, said commutating means and said further armature; and a further armature speed control means comprising eddy current brake means.

Claim 15

An electric motor comprising a stator having a plurality of poles associated with inductive windings; an armature; a pump impeller integral with said armature for rotation therewith; commutating means for connection to a supply of electrical energy and electrically connected to said inductive windings; a further armature drivingly coupled to said commutating means and mounted within said stator for rotation therein independent of said armature, said armature being provided with an inductive winding electrically connected to slip rings and brushes associated therewith; means for fluidly isolating said armature from said stator, said commutating means and said further armature; and further armature speed control means comprising electrical current control means electrically connected to said brushes and for connection to a supply of electrical energy.

Claim 16

An electric motor comprising a stator having a plurality of poles associated with inductive windings; an armature; a pump impeller integral with said armature for rotation therewith; commutating means for connection to a supply of electrical energy and electrically connected to said inductive windings; a further armature drivingly coupled to said commutating means and mounted within said stator for rotation therein independent of said armature, said armature being provided with an inductive winding electrically connected to slip rings and brushes associated therewith; means for fluidly isolating said armature from said stator, said commutating means and said further armature; and further armature speed control means comprising electrical current control means electrically connected to said brushes and for connection to a supply of electrical energy.

Claim 17

An electric motor comprising a stator having a plurality of poles associated with inductive windings; an armature; a pump impeller integral with said armature for rotation therewith; commutating means for connection to a supply of electrical energy where said commutating meaans comprises a plurality of electrically conductive segments in fixed annular arrangement about an axis with each said segment being electrically insulated from the other said segments and electrically connected to at least one of said inductive windings, and having brush means for connection to a supply of electrical energy mounted for driven rotation about said axis in successive contact with said segment; a further armature drivingly coupled to said commutating means and mounted within said stator for rotation therein independent of said armature; means for fluidly isolating said armature from said stator, said commutating means and said further armature; and further armature speed control means.

Claim 18

An electric motor comprising a stator having a plurality of poles associated with inductive windings; an armature; a pump impeller integral with said armature for rotation therewith; commutating means for connection to a supply of electrical energy where said commutating meaans comprises a plurality of electrically conductive segments in fixed annular arrangement about an axis with each said segment being electrically insulated from the other said segments and electrically connected to at least one of said inductive windings, and having brush means for connection to a supply of electrical energy mounted for driven rotation about said axis in successive contact with said segment; a further armature drivingly coupled to said commutating means and mounted within said stator for rotation therein independent of said armature; means for fluidly isolating said armature from said stator, said commutating means and said further armature; and further armature speed control means.