 Methods and apparatus for increasing power of permanent magnet motors |
| In summary, the present invention provides a method for increasing the power output of permanent ... |
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| Submersible pump apparatus |
| According to the present invention, there is provided a fluid distribution or conduit means coupled ... |
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| Power connection apparatus having integrated surge arrestor |
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| Surge arrestor |
| OF THE DRAWINGS In the specific example of the invention illustrated and described herein, the ... |
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| Vertical submersible pump assembly |
| Having described my invention, I claim: 1. A vertical submersible pump assembly, comprising a pump ... |
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| Surge suppression system for submersible electrical motors |
| I claim: 1. An electrically surge protected submersible motor comprising a housing in communication ... |
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| Submersible pump |
| An object of the present invention is, therefore, to overcome the above-mentioned problems ... |
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| Submersible pump support |
| The disadvantages of the prior art are overcome by the present invention which provides a ... |
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| Submersible motor unit |
| The object of the invention lies in the improvement of a submersible motor unit of the previously ... |
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| Submersible motor unit |
| The present invention relates to a submersible motor unit for use in driving a pump with the pump ... |
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Top loading internal assembly for a power toothbrush
| Details |
Inventors: Hall, Scott E.; Hanela, Craig D.; Taylor, Richard K.;
Assignee: Koninklijke Philips Electronics N.V. (Eindhoven, NL)
Primary Examiner: Schuberg; Darren
Assistant Examiner: Comas; Yahveh
Attorney, Agent or Firm: Stroud; Adam L.
A first aspect of the disclosure concerns a driving assembly for a power toothbrush which includes a drive member, specifically an E-core electromagnet, a driven member which is responsive to the action of the drive member and a workpiece mounted on the distal end of the driven member. The drive assembly includes an interface registration member, to one end surface portion of which is secured the end face of E-core electromagnet, another portion of which is configured to produce a selected registration of the driven member and the driving assembly, and still another portion of which is configured to produce a selected registration of the interface member relative to the handle of the toothbrush.A second aspect of the disclosure concerns a split bobbin assembly for an electrical coil portion of an electromagnet in a power toothbrush. The split bobbin assembly includes a first portion which mates with a portion of the appliance which is exposed to the operating environment of the appliance and is made from a material which has sufficient chemical-resistant properties for tolerance of exposure to the environment. A second portion of the split bobbin is made from a material which is resistant to heat so as to withstand soldering of the electrical coil wires to the terminal pins positioned in a base part of the bobbin assembly. Connecting elements on the first and second portions join the two portions together. |
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DETAILED DESCRIPTION What is claimed is: 1.
A driving assembly for a small power appliance, comprising: a drive member having a distal end portion, providing in operation a motion to a driven member assembly; a driven member assembly, mechanically separate from the drive member except when connected by an interface member, the driven member assembly including a drive shaft with a workpiece at a distal end thereof, the drive shaft moving in response to the operation of the drive member; and a single, unitary interface registration member, having a plurality of interface portions, wherein the interface member mechanically connects the drive member and the driven member assembly but does not drive the driven member assembly, wherein a first interface portion has directly connected thereto in a pre-established fixed relationship the distal end portion of said drive member and wherein the separate driven member assembly is removably received in a fixed relationship by the interface member at a second interface portion thereof, so that a reliable, fixed alignment between the drive member and the driven member assembly results, wherein the drive member is an electromagnet and the driven member assembly includes a driven element having a permanent magnet secured thereto at a rear end thereof, wherein cooperative interaction between the electromagnet and the permanent magnet produces motion of the driven element and the workpiece.
2.
An apparatus of claim 1, wherein the interface element includes registration elements positioned around the exterior periphery thereof, adapted to fit into mating receiving portions on an interior surface of a handle housing at an open end thereof.
3.
An apparatus of claim 1, wherein the driven member assembly is secured in a mounting member and wherein the mounting member includes registration elements thereon which fit into mating receiving portions on an interior surface of the interface element to align the mounting member and the driven member assembly.
4.
An apparatus of claim 1, wherein the appliance is a toothbrush and the workpiece is a toothbrush brushhead
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