WO2011021108A1

WO2011021108A1 - Direct current (dc) generator with current rods in a spiral coil magnetic field

Info

Publication number: WO2011021108A1
Application number: PCT/IB2010/050728
Authority: WO
Inventors: Cenap Oguz Demir
Original assignee: Cenap Oguz Demir
Priority date: 2009-08-20
Filing date: 2010-02-18
Publication date: 2011-02-24
Also published as: TR200905959A1

Abstract

A non rippling direct current power generator has been invented by relatively rotating the magnetic field of a plurality of flat spiral coils with respect to a plurality of conducting current rods with dimensions that fit into the magnetic field, connected in series or parallel, positioned parallel to the spiral axis and orthogonal to the said magnetic field flux lines which are setup by a current flowing in the said spiral coils that may either be connected in series or parallel and formed on the layers of a disc shaped double sided multilayer printed circuit board by printed circuit board techniques.

Description

DESCRIPTION

DIRECT CURRENT (DC) GENERATOR WITH CURRENT RODS IN A

SPIRAL COIL MAGNETIC FIELD

This invention is a direct current (DC) generator formed by conductive current rods with dimensions that fit into the magnetic field existing on two sides of a current carrying flat conductive coil in form of an Archimedes' Spiral and relatively rotated (spiral coil may be on the rotor or the stator) about the spiral axis, where the current rods are placed parallel to the spiral axis and orthogonal to the magnetic field flux lines. In this description such a generator has been described where the spiral coil has been used on the rotor and current rods have been used in the stator. In the known state of DC generation technology, in general, synchronous (current synchronized to mechanical rotation) electricity generators that are based on conversion of mechanical energy into electrical energy, are comprised of DC dynamos that commutate current waves in single direction or alternative current (AC) alternators that also rectify current waves alternating in both directions by means of rectifier diode bridges. In these generators, magnetic field which induces current in the armature coils is formed either by permanent magnets or electromagnets. As magnets may be placed on the rotors and armature coils on the stators their locations may also be reversed. However, for a durable generator, general preference is to implement the configuration in which high current armature coils are located on the stators and low current field magnets are located on the rotors.

DC and AC generators of the known technology utilize the principle of creating current waves in the armature coils that are located in the stators by over passing them with magnets aligned on the rotor in high speed relative rotation obtained by means of external mechanisms such as motors or turbines. The current is created by time varying magnetic flux within the area enclosed by the armature coils in accordance with Faraday's Law and due to reacting magnetic flux from those coils to resist to such variations according to Lenz Law. Direction of the current in the coils depend on the tendency of increase or decrease of the magnetic field.

In known technology current generators, voltage and current depend on rotor speed, magnetic pole count, quantity of armature coil sets, number of armature coil turns, physical and magnetic properties of cores of the coils and the parameters of the magnetic field force created. The more the coil turns the more the voltage, the thicker the coil wires the lower the resistance, the higher the relative permeability of the cores the higher the magnetic flux and higher the voltage and current capacity leading to higher power to load. On the other hand, by increasing the number of poles, positioning the armature coils in the right place and especially in three-phase alternators connecting the phases in the suitable configuration (Y or Δ) voltage and current characteristics and therefore the power capacity of these generators may be set in relation to rotation speed where current phases may be suitably superimposed to minimize ripples within the produced direct current subsequent to commutation or rectification.

Current generators of the known technology with many coils in their armature, with many turns of wire on each, which are large in cross sections; and with many magnets on their rotors, where if of the permanent type have mass and volume where if of the electromagnet type have further coils with heavy cores that lead to higher rotor inertia and on the overall, are in general large in dimensions with respect to the desired power and cost more in terms of material and labor. With this invention, which totally eliminates commutators, diode bridges, armature coils, magnets and their cores, an alternative type of direct current generator is proposed with lower labor and material cost and with down sizeable weight and dimensions in comparison to generators of the known technology. In this invention the subject DC generator which is depicted in attached and below mentioned figures is defined with a configuration where the rotor (3) consists of spiral coils (4 and 9) and the stator (23) consists of current rods (19).

FIGURES:

Figure- 1 Archimedes' Spiral

Figure-2 Front Side of a Spiral Coil Rotor Disk

Figure-3 Back Side of a Spiral Coil Rotor Disk

Figure-4 Magnetic Field Formation amongst Spiraling Arms

Figure-5 Cross Section View of the Spiral Coil Magnetic Field

Figure-6 Perspective View of the Spiral Coil Magnetic Field

Figure-7 Front Side Magnetic Field of the Rotor

Figure-8 Back Side Magnetic Field of the Rotor

Figure-9 Exploded View of a Current Rod Stator Disk

Figure- 10 Compacted View of the Current Rod Stator Disk and Serial Connection Detail View

Figure- 11 Application of the Lorentz Law to the Subject of Invention DC

Generator, Field Current and Power Output Terminals

Figure- 12 Sample Spiral Coil Design for the Subject of Invention DC Generator with Uniformly Distributed Lorentz Force

Figure- 13 Multiple Module DC Generator Suitable for Low (1000-6000rpm)

Rotational Speed Applications

Figure- 14 DC Generator with Tesla Turbine Suitable for High (20,000-

30,000rpm) Rotational Speed Applications

Parts in the Figures have been numbered and their references have been given below: (1) Archimedes' Spiral

(2) Printed Circuit Board Plated Through Hole

(3) Rotor Disc

(4) Rotor Disc Front Side Spiral Coil

(5) Rotor Disc Front Side Outer Slip Ring

(6) Spiral Coil Outer Edge Termination

(7) Rotor Disc Front Side Inner Slip Ring

(8) Rotor Shaft Bore

(9) Rotor Disc Back Side Spiral Coil

(10) Rotor Disc Back Side Outer Slip Ring

(11) Rotor Disc Back Side Inner Slip Ring

(12) Stator Shaft Bore

(13) Spiral Rotor Front Side Magnetic Field

(14) Spiral Rotor Back Side Magnetic Field

(15) Stator Width

(16) Stator Left Side Disc

(17) Stator Right Side Disc

(18) Current Accumulating Rings

(19) Parallel Current Rods

(19.1) Magnetic Field Shield

(20) Radial Current Accumulating Paths

(21) Stator Left Side Disc Current Accumulating Ring

(22) Stator Right Side Disc Current Accumulating Ring

(23) Stator Disc

(24) Stator Low Voltage Point

(25) Stator High Voltage Point

(26) Generator Low Voltage Terminal

(27) Generator High Voltage Terminal

(28) Spiral Rotor Field Current Positive (+) Terminal

(29) Spiral Rotor Field Current Negative (-) Terminal

(30) Multi Module Low Rotary Speed DC Generator Outer Casing (31) Multi Module Low Rotary Speed DC Generator Shaft

(32) Multi Module Low Rotary Speed DC Generator Bearing

(33) Multi Module Low Rotary Speed DC Generator Fan Blades

(34) Multi Module Low Rotary Speed DC Generator Fan Holes

(35) High Rotary Speed Tesla Turbine DC Generator Outer Casing

(36) High Rotary Speed Tesla Turbine DC Generator Shaft

(37) High Rotary Speed Tesla Turbine DC Generator Fan Out Holes

(38) High Rotary Speed Tesla Turbine DC Generator Air Inlet SPIRAL ROTOR:

In the subject DC generator an Archimedes' Spiral (1) of conductive material has been used as the rotor (3). In Figure- 1 the Archimedes' Spiral (1) has been shown and the general equation for the Archimedean Spirals have been given below: r = (t + bθ^Vx . x= polar axis length

b=spiral arm coefficient

x=azimuth angle power variable

#=azimuth angle

Specific to subject Archimedes' Spiral:

x=l

a=0

b=l

#={0, 2πn} and n=0,l,2,3...

The property of the Archimedes' Spiral is that, starting from the center, for each 360 degrees turn the spiral arms spiral outward in equal distances from each other. The number of spiral arms, their proximity to each other, their width and thicknesses may all be selected according to the type of application. Coils that are not spirals but that may produce similar magnetic fields to that of a spiral may also be used but in this description document a DC generator with spiral coils have been described.

70

As may be seen in Figure-2 a flat Archimedes' Spiral coil (4) that spirals out clockwise has been formed by printed circuit board techniques on the front side of a rotor disc (3) made up of a double sided multilayered printed circuit board. At the center of the disc (3) an outer slip ring (5) connected to the inner end of

75 the clockwise spiraling coil has been formed around the shaft bore (8). Similarly as shown in Figure-3 and back to back with the one on the front, a spiral coil (9) that spirals out counterclockwise is formed on the back side of the disc (3) where its inner end is connected to a slip ring (10) at the center of the disk (3) as well. These slip rings (5 and 10), if the setup allows for the appropriate connections,

80 may also be placed on the shaft as it is being done in the known technology generators. A field current If initiated from the slip rings (5 and 10) towards the termination of the spirals (6) at the outer edge of the disk (3) forms a magnetic field about each spiraling arm. If distances between spiraling arms are sufficiently small and the magnetic fields are sufficiently strong then magnetic

85 field of each arm will integrate with the magnetic field of its neighboring arm as shown in Figure-4 and as cross section in Figure-5 and in perspective view in Figure-6, to form a magnetic field (13 and 14) in form of an elongated torus within the close proximity and over the surface of the spirals (4 and 9). On the other hand, it is possible to approximate the cross section of the torus cut in the

90 radial axial plane to an ellipse if the diameter of the rotor disk (3) is made larger.

The magnetic flux lines (13) of the spiral (4) that is on the front of the disc (3) are directed radially towards the center of the disc (3) as shown in Figure-7. A similar magnetic field (14) layer is also formed on the spiral (9) that is on the back side of the disk (3) but this time the direction of the flux lines are directed

95 radially outward as shown in Figure-8. The intensity or the thickness of the magnetic field formed over the spirals (4 and 9) are proportional to the If current flowing in the spiraling arms. Rotor disc (3) may be manufactured from a double sided multilayered epoxy

100 printed circuit board. However, other materials and techniques may also be used.

The rotor (3) should be a perfect disc and the center of mass should be exactly at the disc's (3) center. If necessary, it is advised that the disc's (3) balance is adjusted. Spirals (4 and 9) are formed on both sides of the disc by means of printed circuit board techniques and front side and back side spirals are contacted

105 to each other with frequently spread plated through holes. If required, printed circuit boards having series connected spirals on their multiple layers may be used to produce stronger magnetic fields (13 and 14) with the same field current

If or if required the field current I_f capacity of the rotor (3) may be increased by connecting the spirals in parallel by contacting only the ends of such spirals by

1 10 means of plated through holes without contacting them along the length of spiraling arms.

At the center of the spirals (4 and 9) on both sides of the rotor disc (3) where the spiral arms are connected to the outer slip rings (5 and 10) through which spirals'

1 15 field current If enters, another set of concentric inner slip rings (7 and 11) are formed. On one of the inner layers of the printed circuit board a straight return path (6) is formed between the spirals' ends reaching the outer edge of the disc (3) and the inner slip rings (7 and 11) at the center where spirals and the return path are connected by plated through holes from their ends. From these inner slip

120 rings (7 and 1 1) the field current If 's return path is formed. By means of such a slip ring configuration (5,7,10 and 11) a non interrupted supply of field current If for the spirals (4 and 9) are established during the rotation of the rotor (3).

CURRENT ROD STATOR:

125 The stator (23) comprising of conductive current rods (19) and two identical double sided multilayered epoxy printed circuit board discs (16 and 17) are shown in exploded view in Figure-9. However, for the board discs other materials may also be used. Stator lateral discs (16 and 17) should be similar or same in dimensions to the rotor (3). Stator' s (23) compacted view is shown in 130 Figure- 10. When the stator (23) is neared to the surface of the rotor (3), the width of the stator (15) Ad_s shown in Figure- 10, should be such that it is mostly embedded in the most dense flux portion of the Δdf length of the spiral rotor's magnetic field (13 and 14) as shown in Figure- 5.

135 By using high relative permeability (μ_r) and low core loss materials as current rods (19) it is possible to increase the flux density from the spirals' magnetic field (13 and 14) on the stator (23) current rods (19) significantly as compared to the free space permeability (μ₀). The spread of the stator (23) current rods (19) within the spirals' magnetic field (13 and 14) provides a natural lamination

140 effect and with the support of their physical shapes and orientations Eddy currents are minimized within the stator (23).

At this stage two types of stators (23) are defined. The first type of stator (23) is the low voltage, high current stator (23) type. In this type of stator (23),

145 concentric and directly overlapping current accumulating rings (18) are formed by printed circuit board techniques on both sides of the lateral stator discs (16 and 17) and the overlapping rings (18) are connected to each other by many plated through holes. Current rods (19) on which the armature current / is induced are placed frequently in uniform spacing around the circumference of

150 these concentric current accumulating rings (18) of the left lateral stator disc (16) and are contacted to the corresponding current accumulating rings (18) on the right lateral stator disc (17). The length of these rods (19) are limited by the distance between the two lateral stator discs (16 and 17) or in other words by Δd_s (15) width of the stator (23). Current accumulating rings (18) on both sides are

155 connected from the surface to each other by frequent conductive radial current accumulating paths (20). Current accumulating rings (21 and 22) are also formed at the center and on both sides of the lateral stator discs (16 and 17), to which all concentric current accumulating rings (18) are connected by means of radial current accumulating paths (20). Current accumulating ring (21) on the stator

160 lateral disc center (16) closer to the rotor disc (3) forms the low voltage and current accumulating ring (22) on the stator lateral disc center (17) further from the rotor disc (3) forms the high voltage point. The most important property of this type of stator (23) is the very low internal resistance formed by the many parallel connected current rods (19) running between the left and right lateral 165 stator discs (16 andl7). While this property decreases the internal voltage drop of the generator as current is supplied to the load, it also reduces the generation of heat from the current.

The second type of stator (23) is a high voltage stator (23). In this type of stator

170 (23), armature current / coming out of the ends of the current rods (19) that begin on the left lateral stator disc (16) and end on the right lateral stator disc (17) is returned by a path passing through a magnetic field shield (19.1) back to the left lateral stator disc (16) where it is connected to the beginning of the next current rod (19) as shown in Figure- 10. By repeating this connection method,

175 effectively longer one or more than one equal length, serially connected current rod (19) groups can be formed. Current paths on the lateral stator discs (16 and

17) should be designed to support such connectivity. In such a configuration, low voltage points would be the starting point and the high voltage point would be the ending point of the effectively elongated current rods. If there are a group of

180 current rods serially connected in said manner then the starting and ending points of these current rod groups form the low and high voltage points among themselves respectively.

THE DC GENERATOR

185 The subject of invention DC generator has been shown in Figure- 11 with exaggerated distances between parts for sake of clarity. On both sides of the spiral rotor (3) there are stators (23) of the first type shown in Figure- 10. The low voltage point (24) and the high voltage point (25) of the stator (23) on the left are connected in the same order to the low voltage point (24) and the high voltage

190 point (25) of the stator (23) on the right. In Figure- 11 on the stators (23) located on the sides of the rotor (3), terminals (24) connected to the current accumulating rings on the lateral stator discs center that are closer to the rotor (3) together form the low voltage -V₀ point (26) of the generator. On the other hand, terminals (25) connected to the current accumulating rings on the lateral stator discs center 195 away from the rotor (3) together form the high voltage +V₀ point (27) of the generator. The current If which is to form the magnetic field (13 and 14) of the rotor (3) is established by applying the necessary amount of V_f voltage between the positive (+) terminal (28) and negative (-) terminal (29).

200 The current production principle of the generator may be explained shown by the Lorentz Law. The Lorentz Law is defined by the following equation:

F = _?|E + (v x B)].

205 Accordingly, the intensity and sense of the resultant electromotive and magnetomotive forces F on a charge q travelling in an electric and magnetic field is equal to the product of the charge with the vector sums of the electric and magnetic fields. Since charge is a scalar quantity, by the law, the force due to the surrounding electric field is a scalar product resulting in a force parallel with the

210 direction of the electric field while force due to the magnetic field is a scalar product of the charge with the vector cross product of the velocity of the charge and the surrounding magnetic field. Therefore, if the electric field is negligible the sense of the force exerted on a charge q moving with velocity v in a magnetic field B can be found by applying the right hand rule shown in Figure- 11.

215

Accordingly, when all parts viewed from the front side (Figure-2) of the rotor (3), as the rotor (3) is rotated clockwise the stator (23) on the right side of the rotor (3) and therefore its current rods (19) in Figure- 11 can be assumed to be rotating relatively counterclockwise in a stationary magnetic field (13) pointing

220 radially inward to the disc (3) center. In a similar logic, the stator (23) on the left side of the rotor (3) and therefore its current rods (19) in Figure- 11 can be assumed to be rotating relatively counterclockwise in a stationary magnetic field (14) pointing radially outward to the edge of the disc (3). Hence, by Lorentz Law charges q present on the current rods (19) of the right side stator (23) will create 225 a current / in a rightward direction away from the rotor (3) in the sense of F₈₂ and charges q present on the current rods (19) of the left side stator (23) will create a current / in a leftward direction again away from the rotor (3) in the sense of F₈₁.

230 As the If current increases the intensity of the magnetic field B (13 and 14) increases and the force F exerted on charge q increases therefore V₀ at the output terminals (26 and 27) of the generator increases. When I_f is decreased, output voltage decreases and if made zero the generator loses its capability to generate electricity. On the other hand, as the rotational speed V_R of the rotor (3) increases

235 the force F of the magnetic field B (13 and 14) exerted on charge q increases therefore the output voltage V₀ across output terminals (26 and 27) increases. When V_R is decreased, output voltage V₀ decreases and if made zero the generator loses its capability to generate electricity.

240 On the other hand, while the angular speed of an arbitrary point on a rotating spiral rotor (3) is same for all points on the disc (3), the speed of a point decreases proportionally with the decreasing length of the disc radius from the edge inwards to the center. This results in a similar decrease in the Lorentz Force exerted on charges q on current rods (19) near the center when compared with

245 current rods (19) located towards the outer edge, leading to unwanted current looping between higher voltage current accumulating rings (22) to lower voltage current accumulating rings (21) further resulting in an inefficiency of the generator. In order to avoid the foresaid decrease in induced current as one nears the center and to maintain a uniform induction level in all current rods (19),

250 either currents rods (19) towards the center need to be eliminated or current rods (19) may be placed at all lengths of the radius of the stator (23) but in the mean time the spiral coils' (4 and 9) magnetic field (13 and 14) strength need to be increased inversely proportional to the decreasing radius of the disc (3) towards the center. In order to implement this, as shown in Figure- 12, a plurality of spiral

255 coils with identical pitch and widths could be stacked in layers of a multilayer printed circuit board with count of spiral arms of each layer coil decrementing from front side (Figure-2) towards back side and from edge to center of disc by one arm at a time where arms of each coil should coincide right on top of the next coils' arm in the stack where each of the spiral coils should be connected

260 serially to the next layer coil by plated through holes (2) as shown with thick arrows in Figure- 12 such that, current entering the outer slip ring (5) can be retrieved back from the inner slip ring (7). A spiral coil similar to the one on the front would not be then formed on the back side of a spiral rotor (3) configured in such manner.

265

If required, the power output of the generator may be increased by adding more modules of stator-rotor-stator-rotor and alike arrays on the same shaft (31) as shown in Figure- 13. While adding such modules, if the If current of the first rotor (3) is in one direction then care should be taken to set the next one in the opposite

270 direction and continue to alternate the directions in the same manner.

Since the magnetic fields of two rotors (3) having If currents in opposite directions located on the right and left sides of a stator (23) will strengthen by adding up, in such a configuration the voltage will be doubled as compared to the

275 output voltage of a stator (23) having only one rotor (3) on its side. Therefore in high current applications, in a modular array of for example stator-rotor-stator- rotor-stator, the voltage terminals of the stator (23) in the middle should be connected in parallel with the serially connected voltage terminals of the two outer stators (23) of the array, or in high voltage applications, voltage terminals

280 of all stators (23) in the array should be connected in series. If there is for example a rotor-stator-rotor-stator-rotor array then in such a case since both stators (23) are located in between rotors (3) then both generate the same power and therefore all voltage terminals of the stators (23) may either be connected in parallel for a high current application or in series for a high voltage application. 285

If the application requires, the output voltage V₀ may be stabilized by a regulator circuit that adjusts the I_f field current or the rotor (3) rotational speed V_R by an appropriate amount through using feedback samples of V₀ .

290 SAMPLE USE CASES:

In order to provide samples of industrial uses for the subject invented DC generator, two use cases have been given below :

Low Rotational Speed Rotor Application: As can be seen in Figure- 13, in this

295 use case, the rotation of the spiral rotors (3) are actuated by an external source of mechanical rotation, independent from the generator, driving a shaft (31) on which rotors (3) are tightly fixed from their shaft bores (12). In this application the shaft (31) is axially and radially fixed by means of bearings (32) to the generator's outer casing (30). The stators (23) are fixed to the outer casing (30)

300 from suitable points as well. The shaft (31) passes through the stator (23) bores

(12) without touching the stators (23). Heat generated by the rotors (3) and stators (23) during electricity production is fanned out and brought to equilibrium by forced external air sucked from holes (34) on the circumferencial outer case

(30) by fan blades (33) fixed on either the rotors (3) or the shaft (31) and

305 circulated within the outer case and then blown out from the holes on the sides of the outer case (34). It is suggested that except slip rings (5,7,10,11) all rotors (3) and stators (23) are hermetically sealed against corrosion.

An application as above may be used in the automotive industry to one-to-one 310 replace alternators of the known technology in the engine to charge the battery and generate vehicle's electricity needs.

High Rotational Speed Rotor Application: As shown in Figure- 14, in this use case, thanks to the physical structure of the rotor (3) and stator (23) the generator

315 has been used as a Tesla Turbine. In this application the rotor (3) is rotated by the principles of the Tesla Turbine from the known technology. The rotor (3) is fixed on a bearing (32) optimized for very high speeds and tightly fit into its shaft bore (8) and the bearing (32) is tightly slipped on the generator's shaft (36). The rotational force is exerted on the lateral surfaces of the rotor (3) through drag of

320 high kinetic energy carrying molecules within a high pressure jet streamed gas or fluid applied directly on the edges of the rotors with an angle (3). By this method it is possible to rotate the rotor (3) with very high speeds of 20-30 thousand revolutions per minute (rpm). A high rotational speed provides for a high output voltage V₀ (26 and 27) and therefore power, despite a very low

325 magnetic field (13 and 14) strength. Stators (23) are fixed from their shaft bores (12) on to the shaft (36) and if necessary from suitable points to the outer case (35). The shaft (36) is fixed to the outer case (35) by its ends. This type of generator is for high power applications that require small volumes and light weights. Jet streamed fluid or gas is applied on to the edge of the rotor with a

330 suitable incident angle and through an air inlet (38) that is located directly over the edges of the rotor. During electricity generation, as the working fluid or gas rotates the rotor (3) it also fans out the heat produced by the rotor (3) and stators (23) while leaving the generator through the air holes (37) located on the sides of the outer casing (35) near and around the shaft (36). It is suggested that when

335 used as a Tesla Turbine, to protect from corrosion and moisture and if necessary the chemical effects of the working fluid or gas, the rotors (3) and stators (23), except the slip rings, are hermetically sealed. The working fluid or gas should not have conductive properties.

340 In both use cases above, high voltage and/or current requirements can be met by the serial or parallel connection respectively of stator (23) current rods (19) and with a modular design that incorporates one or more stator-rotor sets.

Claims

1. Is a DC generator with the properties of; having a plurality of current rods (19) connected in parallel or series and placed in a circular region filled with a magnetic field (13 and 14) of flat Archimedes' Spiral (1) coils (4 and 9) or such other means capable of creating a similar magnetic field, having flux lines orthogonal (or at angles higher or shallower) to each of the current rods (19) where by forming an electricity producing direct current generator by rotating the current rods (19) relatively to the spirals (4 and 9) (spirals may rotate while current rods stand still or the opposite may be true).

2. Is a DC generator as in Claim 1 where instead of cored electromagnet coils or permanent magnets of the known technology it has the property of; having rotors (3) (or stators (23) if required) that are producible from flat spiral coils (4 and 9) formed on double sided multilayered epoxy printed circuit board or other materials through printed circuit board techniques.

3. Is a DC generator as in Claim 1 with the properties of; having one or more spiral coils (4 and 9) formed on a multilayered disc; that may be connected in series so that for a given field current I_f an increased magnetic field (13 and 14) strength can be achieved; or may be connected in parallel so that for a stronger magnetic field (13 and 14) there is a higher field current If capacity; or that coils may be connected in series and stacked one on top of the other in such a manner that the number of coil arms decrement by one on each layer from top towards the bottom and from the outer edge towards the center of the disc (3), so that the magnetic field strength (13 and 14) of the spiral coils changes inversely proportional to the radius of the disc (3), to create a uniformly distributed induction level on all current rods (19).

4. Is a DC generator as in Claim 1 where instead of cored armature coils of the known technology it has the property of; having stators (23) (or rotors (3) if required) that comprise current rods (19) which may be configured in or may have a spread of any manner, and are located in between two disc shaped, or of any other geometry, lateral supports (16 and 17), and positioned on current accumulating rings (18 and 20) that are connected to current accumulating rings

(21 and 22) at the center of the said supports (16 and 17) and from which output power is obtained either from the rings (21 and 22) or from the common start and end nodes of groups of serially connected current rods.

5. Is a DC generator as in Claim 1 where different from the principles of operation of the armature coils used in the known technology it has the property of; having current induction always in the same direction and at a maximum due to a uniform magnetic field (13 and 14) with flux lines orthogonal to the current rods (19) at all angles of rotation and locations of the spiral coils (4 and 9).

6. Is a DC generator as in Claim 1 where different from the principles of operation of the armature coils used in the known technology it has the property of; having no need for bridge rectifiers and filtering circuits due to non-rippling and single direction induced current.

7. Is a DC generator as in Claim 1 with the property of; being able to decrease the output resistance and obtain more current between the output voltage terminals (26 and 27) of the generator with the same magnetic field (13 and 14) by increasing the number of current rods (19) that are in parallel configuration or being able to obtain higher voltage between the output voltage terminals (26 and 27) of the generator by increasing the effective length of a current rod (19) or by a plurality of current rod (19) groups of similar lengths, by serially connecting the end point of a current rod (19) on the right lateral stator disc (17) back to the start point of another current rod (19) located on the left lateral stator disc (16) by means of a current return path that passes through a magnetic field shield (19.1), where after serially such connections are repeated in this manner.

8. Is a DC generator as in Claim 1 where similar to voltage regulation methods in the known technology has the property of ; being able to adjust or fix the output DC voltage (26 and 27) through regulation of the magnetic field (13 and 14) strength producing I_f current of the spiral coils (4 and 9).

9. Is a DC generator as in Claim 1 where similar to voltage regulation methods in the known technology has the property of ; being able to adjust or fix the output DC voltage (26 and 27) through regulation of the relative speed V_R between the rotor (3) and the stator (23).

10. Is a DC generator as in Claim 1 where similar to the means (belt, chain, gear, gas, or fluid turbine etc.) of actuating rotation in rotors used in the known technology has the property of; having rotors that are rotatable by the same means.

11. Is a DC generator as in Claim 1 where similar to the Tesla Turbines of the known technology has the property of ; being used as a Tesla Turbine due to the physical structure of the generator's spiral rotor (3) with a very high rotational speed V_R relative to the stator (23).

12. Is a DC generator as in Claim 1 and 11 where while operated as a Tesla Turbine has the property of ; being able to provide higher voltage and current output (26 and 27) at the stator (23) output for a fixed magnetic field (13 and 14) strength due to the rotatability of the spiral rotor (3) generator at very high V_R speeds.

13. Is a DC generator as in Claim 1 and 11 where while operated as a Tesla Turbine has the property of; being able to provide various ranges of voltage and current outputs (26 and 27) at the stator (23) output by selecting the working fluid from gases or fluids of various densities and jet streaming them on the rotor

(3) at various pressures and incident angles.

95 14. Is a DC generator as in Claim 1 and 11 where while operated as a Tesla Turbine has the property of; being suitable to use the working fluid or gas of high speed jet streamed on the spiral rotor (3) to remove the heat energy generated by the spiral coil rotor (3) or the current rod (19) stator (23).

100 15. Is a DC generator as in Claim 1 with the property of; being suitable to increase power output by increasing the number of stator (23) and rotor (3) sets on a single shaft and move out heat energy produced within the generator by forced air on the rotors (3) and stators (23) created by fan blades (33) attached on the rotors (3).

105