Electrical generator or motor structure – Dynamoelectric – Rotary
Patent
1981-04-09
1983-07-26
Miller, J. D.
Electrical generator or motor structure
Dynamoelectric
Rotary
74800, H02K 710
Patent
active
043956505
ABSTRACT:
An electromagnetic diaphragm disk actuator is both easily driven and posiely held in its desired controllable relationship. The actuator includes a stator having a driving rim with a driving tooth system, a holding rim spaced axially away from the stator with a holding tooth system, a plurality of pairs of electromagnets in the stator and a rotor connected to a drive shaft having a magnetically attractable diaphragm with cooperating driving and holding tooth systems positioned around the circumferential edge and on opposite sides thereof lying between the stator and the holding rim. The diaphragm is positioned between the driving rim and holding rim such that the engagement points of the driving and holding tooth systems deform the diaphragm to the point that it develops an apex generally defined by the axis between the points of engagement of the holding tooth system and such axis is displaced 90.degree. relative to the axis formed by the engagement points of the driving tooth systems. Relative movement is effected by successive excitation of electromagnet pairs.
REFERENCES:
patent: 2849897 (1958-09-01), Walma
patent: 3492515 (1970-01-01), Foskett
patent: 3525890 (1970-08-01), Buchanan, Jr.
patent: 3530742 (1970-09-01), Sfredda
patent: 4081702 (1978-03-01), Neumann
Max-Planck-Gesellschaft zur Forderung der Wissenschaften e.v.
Miller J. D.
Rebsch D. L.
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