{
"$type": "site.standard.document",
"description": "A modular resonant inverter system for induction heating or wireless power transfer, including a plurality of power inverter modules each configured to convert an input voltage into a resonant high-frequency output; a plurality of matching transformers, each transformer connected to the output of a…",
"path": "/patents/1389973",
"publishedAt": "2026-06-11T00:00:00.000Z",
"site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
"tags": [
"H02M7/4815",
"UltraFlex International, Inc."
],
"textContent": "A modular resonant inverter system for induction heating or wireless power transfer, including a plurality of power inverter modules each configured to convert an input voltage into a resonant high-frequency output; a plurality of matching transformers, each transformer connected to the output of a respective module, the transformers including switchable primary and secondary windings; a distributed tank capacitor bank associated with each module, wherein the capacitors are configurable in series, parallel, or series-parallel configurations based on the connection of the modules; an electronic switching circuit coupled to the primary windings of each transformer, wherein the switching circuit adjusts the number of primary turns to modify the transformer ratio and achieve load impedance matching; and a control system configured to monitor and control the switching circuit and the tank capacitor configuration to dynamically match the impedance of the load, wherein the control system reconfigures the transformer winding ratios and capacitance values in the distributed tank capacitor bank in response to varying load conditions.",
"title": "MODULAR AND CONFIGURABLE RESONANT INVERTER SYSTEM WITH DYNAMIC TRANSFORMER RATIO SWITCHING AND AUTOMATIC LOAD MATCHING FOR MULTI-OUTPUT INDUCTION HEATING AND WIRELESS POWER TRANSFER APPLICATIONS"
}