PATENT CLAIM ANALYSIS

Application Number: 15982470
Application Type: Utility
Filing Date: 2018-05
Publication Date: 2019-11
Patent Classification: ["318", "558000"]

Abstract:
An electric motor apparatus may include a rotor and a stator. The apparatus may include a main field motor stage having a set of stator armature windings positioned on the stator and a set of main field windings positioned on the rotor, where the set of stator armature windings is configured to receive a main multiphase power signal from an alternating current power bus having a first current that causes a first rotating magnetic flux that rotates relative to the stator, where the set of main field windings is configured to receive a secondary multiphase power signal having a second current that causes a second rotating magnetic flux that rotates relative to the rotor, and where a combination of the first rotating magnetic flux and the second rotating magnetic flux causes the rotor to turn at a predetermined reference frequency.

Claim (Index 18):
A method comprising:\n receiving a main multiphase power signal at a set of stator armature windings coupled to a stator of a motor apparatus, the main multiphase power signal having a current that causes a first rotating magnetic flux that rotates relative to the stator; transferring an excitation signal from the stator to a rotor using a high frequency transformer stage that includes a first set of transformer windings coupled to the stator and a second set of transformer windings coupled to the rotor, wherein the excitation signal includes a high frequency modulation signal component and a secondary multiphase power component; receiving a secondary multiphase power signal at a set of main field windings coupled to the rotor of the motor apparatus and coupled directly to the second set of transformer windings, wherein an inductance between the second set of transformer windings and the set of main field windings filters the high frequency modulation signal component to form the secondary multiphase power signal, the secondary multiphase power signal having a current that causes a second rotating magnetic flux that rotates relative to the rotor; generating an electric phase signal based on the main multiphase power signal; receiving a rotor phase signal from an encoder configured to monitor rotation of the rotor; generating a combination phase signal based on a difference between the electric phase signal and the rotor phase signal; and generating pulse-width modulation signals based on the combination phase signal to control an inverter to cause the secondary multiphase power signal to have a frequency, magnitude, and phase that enables the first rotating magnetic flux and the second rotating magnetic flux to combine to turn the rotor at a predetermined reference frequency.

Metadata:
- Claim Count in Document: 35.0
- Percentile: 93.0
- Lexical Diversity: 2.73585
- Patent Class: 318.0
- Transitional Phrase Type: open
- Component Type: 1
- Foreign Priority: False
- Related Applications: ['15959507', '13958169', '11360116', '12633760', '15819919']

Analysis Scores:
- 35 USC 101 Eligibility (BERT): 0.6913265991447869
- 35 USC 102 Novelty (BERT): 0.5199611527968202
- Combined Prediction Score: 0.6741900545099903
- Mean Citation Score: 276.61839999999995
- Max Citation Score: 343.44583
- Similarity Product: 296.3608256233972

Labels:
- Claim Label 101: 1
- Claim Label 102: 1
- Claim Label 103: 0
- Claim Label 112: 1
- Combined Label: 1
- Label 101 Adjusted: 1

Dataset: test