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US 7,733,067 B2Granted
Burst frequency resonant inverter
AssigneeOne More Time LLC
InventorDonald Partridge
Life of this patent
Estimating the term…
Abstract
A high frequency resonant apparatus is described that includes a closed loop resonant series circuit including a capacitor, an inductor, a load, and a switching device with an anti-parallel diode. An energy source is coupled to the closed loop series circuit. The high frequency resonant apparatus also includes a controller for turning on the switching device for a time longer than one cycle of the closed loop resonant series circuit.
Claims40
A high frequency resonant apparatus comprising:
- a closed loop resonant series circuit including a capacitor, an inductor, a load, and a switching device with an anti-parallel diode;
- an energy source coupled to the closed loop series circuit;
- a controller to turn on the switching device for a time long enough that current of a resonant signal flows in the closed loop resonant series circuit for at least one and a half cycles, wherein switching losses occur less than twice per cycle.
A high frequency resonant apparatus comprising:
- a closed loop resonant series circuit including a capacitor, an inductor, a load, and a switching device with an anti-parallel diode;
- an energy source coupled to the closed loop series circuit;
- a controller to turn on the switching device until the current in the resonant series circuit decays down to less than one third of its original peak value at the start of the burst cycle, wherein switching losses occur less than twice per cycle.
Dependencies are inferred from the claim text.