GB2261999A

GB2261999A - Repelling permanent magnet motor with superconducting shields

Info

Publication number: GB2261999A
Application number: GB9225019A
Authority: GB
Inventors: Trevor Lyn Whatford
Original assignee: Individual
Current assignee: Individual
Priority date: 1991-11-30
Filing date: 1992-11-30
Publication date: 1993-06-02
Also published as: GB9125575D0; GB9225019D0

Abstract

A repelling permanent magnet motor comprises at least two sets of permanent magnets that oppose each other, of which one set is fixed to a shaft (the rotor) (A) and another set is fixed to the motor housing (the stator) (B). Superconducting shields (C) cover the magnets until one of the rotor magnets has just rotated past alignment with one of the stator magnets. At this point flux channels or holes (D) in the shields will come into line, exposing the magnets to repelling flux which will push the rotor magnets out of line with the stator magnets and close the flux channel. As one magnet leaves the cycle another one enters the cycle in which the flux channels are synchronized to open at the right time. A disc format allows multiple sets of magnets per stator and rotor and multiple sets of stators and rotors and shields per motor. <IMAGE>

Description

Repeling Magnet Motor This- invention relates to a Repeling Magnet Motor.

Repeling magnet motors are similar to electric motor, in electric motors electric coils generate-magnetic flux when the flux is required, in the repeling magnet motor the flux is there all the time but is sheilded out untill it is required then the sheilds open.

A repeling magnet motor comprises at least tXfO sets of magnets that oppose each other, one set is fixed to a shaft ( the Rotor ) and one set is fixed to the motors housing (the stator ), superconductor sheilds cover the magnets untill one of the rotor magnets is just past being in line with one of the stator magnets, At this point flux chanels or holes in the sheilds will come into line, exposing the magnets to repeling flux which will push the rotor magnet out of line with the stator magnet and close the flux chanel, as one magnet leaves another one enters the cycle, the flux chanels are synchronized to open at the right time.

The disc format allows muti sets of magnets per stator and rotor and muNi stators and rotors per motor.

A sPecific embodiment of the invention will now be described by way of example with reference to the accompanying drawings in which : Fig 1 shows a layout of the stator sets of permanent magnets; Fig 2 shows a layout of the rotor sets of permanent magnets; Fig 3 shows a layout of the magnet and the superconductor sheilds, fig 7 shows the working principle, see fig 1 and 2 and follow the magnets 1,2,3,4, to see there related positions on fig 5, the sheilds cover the magnets so when the magnets are just past being in line (see magnets 3 ), the sheids open and the magnets 3 are then exposed to repeling flux on both sides pushing the rotor magnet away opening the flux chanel more exposing the magnets 7 to more repeling flux untill the magnet on the rotor has past the magnets on the stators then the flux chanels on the sheilds close untill the rotor magnet 3 is just past being in line with the stators magnets 4 and the sheilds flux chanel open again and so on. by looking at fig 7 you will see that the motor would work with the rotor and stator magnets atracting each other instead of repeling each other, bust I believe it would not work as well;; Fig 4 shows- a layout of a repeling magnet motor with multi sets of rotors and stators with H an electric motor that moves the sheilds C2 out of synchronization to control the motors speed or to stop the motor by covering the stators magnets completely; Fig 5 shows a variation of sheild rotation where the rotor drives a reversing gear to drive the sheild disc C3, another veriation would be to have C3 rotating in the same way as the rotor but geared to move faster than the rotor, because of the many combinations lets say its all about synchronizing the flux chanels to the magnets. fig 5 also shows bearing supports for the sheilds to prevent them from buckling; Drawing Key as follows, A = shaft mounted discs ( the rotors ), containg any number of sets of magnets that are repeled by stator sets of magnets;; B = housing mounted sets of magnets ( the stators ), normally mounted each side of the rotors and repel them; C1 = superconductor magnetic flux sheilds for the rotors side, that block out unwanted repeling; C 2 = as Cl but for the stator side; C7 --a a superconductor sheild that acts like a shutter; D = flux chanels or holes in the sheilds that allows the repeling of the rotor and stators magnets to rotate the rotors, the chanels also deflect the flux at a more suitable angle; E = the motor housing; F = the drive shaft; G = the drive shaft bearings; H = a electric motor or a divice to control the C2 sheilds movement which intern will control the repeling magnet motor.

To maintain the superconductor sheilds very low temperature gases can be pumped around the motor in veins or spray, to save energy the motor should be sealed and will insulated,

Claims

CLAIMS I A Permanent magnet motor comprising superconductor sheilds, with synchronized Magnetic flux chanels ta expose the magnetic flux from permanent magnet stators, to drive permanent magnet rotors.
2 A permanent magnet motor with its stators, rotors, and superconductor sheilds having disc format, comprising any number of each component