US Patent Issued to Mitsubishi Electric on March 4 for "Direct-current circuit breaker and direct-current circuit breaker system" (Japanese Inventors)

ALEXANDRIA, Va., March 5 -- United States Patent no. 12,243,697, issued on March 4, was assigned to Mitsubishi Electric Corp. (Tokyo).

"Direct-current circuit breaker and direct-current circuit breaker system" was invented by Takashi Inagaki (Tokyo) and Sho Tokoyoda (Tokyo).

According to the abstract* released by the U.S. Patent & Trademark Office: "A direct-current circuit breaker that includes: an interrupter; a resonance circuit including a capacitor, a reactor, and an activation switch; a voltage detection circuit; a charging circuit including a charging resistor and a charging switch; and a control circuit. The control circuit closes the charging switch to charge the capacitor, and thereafter, the control circuit opens the charging s...