Ottó Titusz Bláthy (Tata 11 August 1860 – Budapest 26 September 1939) was a Hungarian electrical engineer. In his career, he became the co-inventor of the modern electric transformer,[1] the tension regulator,[2] (Voltage stabilizer), the AC watt-hour meter,[3][4][5][2] the single-phase alternating current (AC) electric motor, the turbo generator, and the high efficiency turbo generator.
Ottó Titusz's career as an inventor began during his time at the Ganz Works in 1883. It is noteworthy, that the name "transformer" was created by Ottó Titusz Bláthy.[6] There, he conducted experiments for creating a transformer. In 1885 the ZBD model alternating-current transformer was invented by three Hungarian engineers: Ottó Bláthy, Miksa Déri and Károly Zipernowsky. (ZBD comes from the initials of their names). In the autumn of 1889 he patented the AC Watt meter.[7]
Besides his scientific work, Ottó Titusz Bláthy is well known as an author of chess problems. He specialized in the field of very long moremovers, also known as longmovers. He probably holds the world record for the total number of moves in his orthodox problems (see grotesque (chess) for one of his problems).