# US 2014/0191701 A1 · High Performance Electric Machine Without a Collector

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- Number: US 2014/0191701 A1
- Document ID: US20140191701A1
- Status: Published application
- Kind: A1
- Application number: 14/147,227
- Filed: 2014-01-03
- Published: 2014-07-10
- Earliest claimed: 2013-01-04
- Assignees: Hugo Ricardo Rucci
- Inventors: Hugo Ricardo RUCCI
- Web page: https://patentgrep.com/patent/US20140191701A1

## CPC

- H02P 6/16: Circuit arrangements for detecting position
- H02K 21/44: with armature windings wound upon the magnets
- H02K 29/10: using light effect devices
- H02P: CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
- H02K: DYNAMO-ELECTRIC MACHINES (dynamo-electric relays H01H53/00; conversion of DC or AC input power into surge output power {H03K3/53})

## Abstract

A high performance electric pulse motor without a collector, with an electronic control circuit, capable of performing either with direct current or with alternating current. The motor includes a magnetic circuit at its stator including a pair of stator polar pieces, an induction coil at each polar piece, and a rotor between the polar pieces. The rotor has at least a pair of radial extensions in opposition for each pair of polar pieces in the stator and, attached to the rotor's axis, means opaque to light having a window allowing free passage of light. The motor further includes a permanent light source and a photo resistor.

## Claims

### Claim 1

ELECTRIC MACHINE WITHOUT A COLLECTOR WITH HIGH PERFORMANCE COEFFICIENT, wherein it has at its stator a magnetic circuit having at least: a pair of stator polar pieces, which form part of corresponding magnetic circuits uniting each end of said polar pieces; at each one of said magnetic polar pieces there is at least an induction coil capable of generating a magnetic field, having each one of said polar pieces a salient with a parallepiped profile and a trapezoidal cross section; placed in between said polar pieces there is a rotor turning on its axis, having this rotor at least a pair of radial extensions in opposition for each pair of polar pieces in the stator; this rotor rotates in close proximity past the ends of said polar extensions; attached to the axis of said rotor and turning with it there are means opaque to light, able to interrupt a permanent light beam, having said opaque to light means at least a window allowing the free passage of light; facing one side of said opaque to light means and in alignment with said rotating window it is placed a permanent light emitting source while on opposite side of said opaque to light means it is placed a photo resistor, resting said opaque means in between said light source and said photo resistor; each time said light beam faces said at least one window, it is allowed a free passage through said window, giving origin to a series of finite light pulses according to the revolutions of the motor shaft, synchronizing said pulses with the rotor's angular position and the number of revolutions of said rotor, thus producing a sequence containing said period of time; the passage of light through said at least one window establishes an optical link for each pair of polar pieces, including said optical link said permanent light emitting source and photoreceptor, which is excited by said pulsed light beam every time it receives said time pulse; the output of the corresponding photoreceptor is connected to the input of an electronic control circuit, said control circuit presenting a pair of outputs for each pair of stator poles and a recovery capacitor, generating said control circuit a synchronous time sequence with the beginning of the passage of light through the corresponding window, consisting in the discharge of the capacitor charged in the previous time sequence (when said time sequence is not the first sequence of the series of sequences) on the coils of the corresponding pair of polar pieces for a resonant quarter cycle of both coils with the recovery capacitor, and to connect an external power source (voltage) available on a positive terminal and common terminal over said coils to increase the current for a time frame of the pulse and finally reconnecting the coils to said energy recovery capacitor until the energy in said coils is transferred to the energy recovery capacitor, the rotor being turned through the attraction of the magnetic field over said radial extensions, while for the initial time pulse, said pulse is started by connecting said external power source to the above mentioned coils.

### Claim 2 (depends on 1)

ELECTRIC MACHINE WITHOUT A COLLECTOR WITH HIGH PERFORMANCE COEFFICIENT, according to claim 1, wherein the magnetic path is composed of at least one permanent magnet associated with the said polar pieces.

### Claim 3 (depends on 1)

ELECTRIC MACHINE WITHOUT A COLLECTOR WITH HIGH PERFORMANCE COEFFICIENT, according to claim 1, wherein said control circuit includes an opaque disk having a pair of opposite windows, these windows capable of allowing the free passage of a light beam when aligned with a source for said beam of light.

### Claim 4 (depends on 3)

ELECTRIC MACHINE WITHOUT A COLLECTOR WITH HIGH PERFORMANCE COEFFICIENT, according to claim 3, wherein the r.p.m. of the motor is controlled by varying the said time of the pulse.

### Claim 5 (depends on 3)

ELECTRIC MACHINE WITHOUT A COLLECTOR WITH HIGH PERFORMANCE COEFFICIENT, according to claim 3, wherein the r.p.m. of the motor is controlled by varying said external voltage source as an input to the motor.

### Claim 6 (depends on 5)

ELECTRIC MACHINE WITHOUT A COLLECTOR WITH HIGH PERFORMANCE COEFFICIENT, according to claim 5, wherein the variation of the time of the pulse is achieved by generating at the beginning of said time window a variable delay pulse, leaving as time of pulse the remaining time of pulse window.

### Claim 7 (depends on 6)

ELECTRIC MACHINE WITHOUT A COLLECTOR WITH HIGH PERFORMANCE COEFFICIENT, according to claim 6, wherein this external voltage source is provenant from a D.C. source.

### Claim 8 (depends on 6)

ELECTRIC MACHINE WITHOUT A COLLECTOR WITH HIGH PERFORMANCE COEFFICIENT, according to claim 6, wherein this external voltage source is provenant from an A.C. source, first filtered through a rectifying bridge.

### Claim 9 (depends on 6)

ELECTRIC MACHINE WITHOUT A COLLECTOR WITH HIGH PERFORMANCE COEFFICIENT, according to claim 6, wherein said photoreceptor signal excites a first monostable pulse generator of said variable time delay pulse, the trailing edge of the latter generating, in a second monostable pulse generator a time pulse that defines said time which ends connected to the signal from said photoreceptor to the reset denial of said second monostable pulse generator; the output of said second monostable pulse generator is connected through a switch gate to corresponding first inputs of a first and a second two entries NOR gates, which has outputs passing through a third and a fourth monostable time pulse generator in the order of a dozen microseconds, to the entry ports S and R of a SR type flip-flop, which outlet port is capable to excite, through the corresponding opt couplers, to a first and a second power transistors; the outlet port of the second NOR gate is connected, through a corresponding opt coupler, to a third power transistor; said third power transistor connects the positive terminal of said external active power source to a first end of the coils, while the second end of said coils is connected to ground through a first diode; the second power diode is connected to said first end of the coils to ground through a second diode, while said first power diode connects the second end of the coils to the recovery capacitor on one side, and the other end through a third diode, while the capacitor is connected to ground; a comparison circuit formed by two operational amplifiers connected through an input terminal to with the recovery capacitor and the other input terminal to an adjustable low tension source, wherein said comparison circuit delivers at its output terminal a positive tension compatible with a logical “1” when said recovery capacitor is loaded with a negative tension and a tension compatible with a logical “0” when said recovery capacitor has a “0” tension or a slightly positive one; an initialization circuit comprised by two operational amplifiers, having one of them connected to its non inverting input a capacitor whose other end is connected to a positive tension and to a positive retention resistor, while its output terminal is connected to the second input of said first two-input NOR gate , having the other of the operational amplifiers its inverting input connected to the output of said comparator circuit and its output connected to said non inverting input of said one of the operational amplifiers, while on the other hand the output of said comparison circuit is connected to the second input of said second two-input NOR gate.

### Claim 10 (depends on 9)

ELECTRIC MACHINE WITHOUT A COLLECTOR WITH HIGH PERFORMANCE COEFFICIENT, according to claim 9, wherein when the current conductive cycle in the field coils ends, the current flow therein is interrupted taking place an overvoltage in the series-connected coils for the duration of a quarter cycle of the resonant frequency of the coils and the capacitor C1, determining the energy transfer to the capacitor coils, remaining said capacitor charged up to the beginning of a new drive cycle in which the first capacitor C1 is connected with the coils until all power is transferred to the same coils producing the capacitive discharge within the time frame of a ¼ cycle of the resonant frequency between said coil and capacitor; once the transfer of energy ends, the external power supply is connected to the coils until said driving cycle ends, repeating the capacitive discharge at each driving cycle, determining the high engine performance.

### Claim 11 (depends on 9)

ELECTRIC MACHINE WITHOUT A COLLECTOR WITH HIGH PERFORMANCE COEFFICIENT, according to claim 9, wherein its ferrous magnetic circuit presents a double path, defined by a bottom path formed by a lower ferrous bridge and the two magnets associated with the extensions of the polar pieces the lower parts of the bottom cores and the rotor, while the upper path is formed by an upper ferrous bridge, the top of the cores and the rotor, closing the magnetic flux of said magnets through the cores and the upper bridge when the field coils are not energized and the rotor is not transmitting said magnetic field, splitting the magnetic flux in two when the coils are energized, adding in this way magneto-motive force of the magnets to the same force of the coils.

### Claim 12 (depends on 11)

ELECTRIC MACHINE WITHOUT A COLLECTOR WITH HIGH PERFORMANCE COEFFICIENT, according to claim 11, wherein the rotor is profiled in the shape of a cross of equal length branches providing four radial extensions in opposition for each pair of polar pieces in the stator.