PATENT CLAIM ANALYSIS

Application Number: 16308795
Application Type: Utility
Filing Date: 2018-12
Publication Date: 2019-05
Patent Classification: ["363", "089000"]

Abstract:
It is an object of the present invention to provide a power factor correction device for three-phase AC-DC conversion which enables effective power factor correction and stable power conversion with a simple construction and control system. There is provided a power factor correction device comprising: first, second and third input terminals to which three-phase AC is inputted; a positive electrode terminal p and a negative electrode terminal n each connected to a load device; first, second and third transformers Tr, Ts, Tt each having a primary coil with an end connected to said first, second and third input terminals; one or more switching elements having ends D applied with the voltage of another end of said primary coil, other ends S connected to a common potential terminal on the side of said primary coil and control ends G; first, second and third rectifying devices D 1,  D 2,  D 3  having ends applied with the voltage of another end of said secondary coil so as to pass the current flow into said positive electrode terminal p; a smoothing condenser C disposed between said positive electrode terminal p and said negative electrode terminal n; wherein the control ends of said switching elements are controlledby a single control signal having a constant duty ratio.

Claim (Index 8):
The power factor correction device of  claim 6 , wherein the one or more switching elements comprise a single switching element disposed between the second ends of the primary coils of the first, second and third transformers and a common potential terminal on the side of the primary coils.

Metadata:
- Claim Count in Document: 20.0
- Percentile: 98.0
- Lexical Diversity: 2.23301
- Patent Class: 363.0
- Transitional Phrase Type: none
- Component Type: 0
- Foreign Priority: True
- Related Applications: ['10541521', '13438398', '10547775', '15177543', '12551584']

Analysis Scores:
- 35 USC 101 Eligibility (BERT): 0.8109290008357996
- 35 USC 102 Novelty (BERT): 0.4906607157884274
- Combined Prediction Score: 0.7789021723310624
- Mean Citation Score: 225.51044
- Max Citation Score: 232.85144
- Similarity Product: 171.97651315594197

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

Dataset: test