PATENT CLAIM ANALYSIS

Application Number: 16298510
Application Type: Utility
Filing Date: 2019-03
Publication Date: 2019-07
Patent Classification: ["219", "130510"]

Abstract:
A power supply for welding, cutting and similar operations includes a dual two-switch forward converter. The converter has two inverter circuits coupled in parallel but controlled to provide output power in an interleaved fashion. To avoid “walking” of the circuits (which could result in different duty cycles and imbalance of the load sharing), control signals are determined and applied to a first of the inverter circuits, and “on” times of the first circuit is monitored, such as by augmenting a counter to determine the number of clock cycles the first circuit is “on”. The same duration is then used for commanding output from the second inverter circuit. The duty cycles of both circuits is thus ensured to be the same regardless of changes in the total output power.

Claim (Index 11):
A welding or cutting system, comprising:\n a power supply comprising first and second solid state switching circuits each having two power electronic switches for producing output power for a welding or cutting operation, the first and second solid state switching circuits being electrically coupled in parallel; and control circuitry coupled to the first and second solid state switching circuits, the control circuitry operable to:\n determine a first Pulse Width Modulation (PWM) control signal for the first solid state switching circuit based upon a desired duty cycle; \n provide the first PWM control signal to the first solid state switching circuit; \n monitor a duration of the first PWM control signal; \n determine a period of the first solid state switching circuit output power during the monitored duration; determine a second PWM control signal for the second solid state switching circuit based upon the determined period of the output power based on the first PWM control signal; and. \n apply the second PWM control signal to the second solid state switching circuit based upon the determined period of the first solid state switching circuit.

Metadata:
- Claim Count in Document: 3.0
- Percentile: 99.0
- Lexical Diversity: 1.72619
- Patent Class: 219.0
- Transitional Phrase Type: open
- Component Type: 1
- Foreign Priority: False
- Related Applications: ['15412620', '13925579', '13925530', '12790423', '13899188']

Analysis Scores:
- 35 USC 101 Eligibility (BERT): 0.8249005172694334
- 35 USC 102 Novelty (BERT): 0.5064123264894812
- Combined Prediction Score: 0.7930516981914382
- Mean Citation Score: 258.55375000000004
- Max Citation Score: 313.6485600000001
- Similarity Product: 285.95477880589493

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

Dataset: test