Patents Assigned to TOSHIBA MITSUBISHI-ELECTRIC IND. SYSTEMS CORP.
  • Publication number: 20150109737
    Abstract: A power conversion apparatus includes an electrical circuit including a heat source, a heat pipe cooler in which a refrigerant is enclosed, the heat pipe cooler configured to cool the heat source, a freeze determiner configured to determine whether the refrigerant is frozen, and an output limiter configured to limit output when the freeze determiner determines that the refrigerant is frozen.
    Type: Application
    Filed: December 23, 2014
    Publication date: April 23, 2015
    Applicant: TOSHIBA MITSUBISHI-ELECTRIC IND. SYSTEMS CORP.
    Inventors: Yosuke FUJII, Nobuhiro Takahashi
  • Publication number: 20090267554
    Abstract: There is provided a driving apparatus of an electric motor for a reduction roll that can improve maximization of rolling performance and a speed decrease amount by making maximal use of torque that various electric motors can generate during material entry.
    Type: Application
    Filed: August 3, 2006
    Publication date: October 29, 2009
    Applicant: TOSHIBA MITSUBISHI-ELECTRIC IND. SYSTEMS CORP.
    Inventors: Ryuzo Mori, Wataru Fukushima, Katsuhiko Fukuma, Takashi Ishida