Patent 30377

Patent Clemente Figuera 30377 in pdf

 

CLEMENTE FIGUERA PATENT (1902) No. 30377 (SPAIN)

OTHER NEW PROCEDURE TO OBTAIN ELECTRICAL  CURRENTS APPLICABLE TO ALL USES

DESCRIPTIVE NOTES

On all magneto and dynamo-electric machines, from Clarke´s machine to the most sophisticated ones, there is a copper wire, called induced circuit, which is wound, in a more or less convenient and ingenious way, on a soft iron core. This core, under the successive action of the poles, of opposite name, of several electromagnets undergoes very rapid magnetic changes which produce the induced electrical currents, and in practice, these effects are achieved thanks to the rotation or revolution, more or less rapidly of the induced circuit joined to its core, or rotation of the exciter circuit with its  core, needing, in both cases, a high amount of mechanical force to overcome the force of attraction exerted between the exciter electromagnets and the core of the induced.

But, as the distribution and establishment of magnetic fields is always the same and independent of the rotation, the undersigned inventors have thought that it is not needed to move the core for the induced coils to cut the existing lines of force between the pole faces of the exciter electromagnets and the core, producing this way the induction, and it is enough that the induced circuit will be separated by a very tiny distance from this core, only rotating the induced coil, for which, it is not required a great strength since, with copper being diamagnetic, simply it is sufficient with the necessary effort to overcome the air resistance, friction of brushes, and higher or lower attraction from currents to currents, effort which is easily obtained using a suitable electric motor driven by an independent current, or by a part of the total current given by the machine. This procedure allows to obtain currents remarkably identical to those existing today in dynamos, but without using driving force which is today used and wasted away, almost entirely, in rotating the soft iron core.

Therefore what we do is to let still the exciter circuit, the core of this circuit and the core of the induced, and rotate only the induced circuit within the sphere of action, or existing magnetic fields, between the pole faces of the exciter electromagnets and the core of the induced circuit.

In order that the magnetic fields will be more intense we build this core by a group of real electromagnets in the likeness of the exciters ones, and this design has the advantage that the induced circuit, as being independent and separated from the core, is constructed in the most convenient shape and arrangement. The collector and the pulley or pulleys for transmission of motion rotate also with the induced drum.

NOTE, for which a patent is applied

Procedure for obtaining electrical currents originated in an induced circuit which rotates, with collector and transmission pulleys, cutting its coils the lines of force which flow from the pole faces of a series of motionless electromagnets to the pole faces of other electromagnets, analogous to the first and also motionless, which are placed in front of the first.

Madrid, September 2, 1902.

Signed: Clemente Figuera

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