Control circuit for a dielectric barrier discharge (DBD) disk in a three-dimensional printer
US11881383B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Aug 16, 2021 |
| Grant date | Jan 23, 2024 |
| Priority date | — |
| Expiry date | Feb 5, 2042 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH05H2242/22
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
A control circuit for generating a primary alternating current (AC) voltage signal provided to a dielectric barrier discharge (DBD) disk of a three-dimensional printer includes a switching regulator receiving a direct current (DC) voltage signal. The switching regulator modulates the DC voltage signal based on a variable duty cycle to create a modulated DC signal. The control circuit also includes a modulation circuit in electrical communication with the switching regulator. The modulation circuit introduces a frequency component to the modulated DC signal, where the primary AC voltage signal includes a variable duty cycle and a set frequency, and the frequency component introduced into the modulated DC signal is representative of the set frequency of the primary AC voltage.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.