Patents by Inventor Shigenori KOIZUMI

Shigenori KOIZUMI has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • HEAT-EXCHANGE VENTILATION APPARATUS AND HEAT-EXCHANGE VENTILATION SYSTEM
    Publication number: 20240133577
    Abstract: The control unit causes a heater to operate when a temperature of a supply air flow is equal to or lower than a first temperature threshold, the temperature of the supply air flow being measured by an outdoor air temperature sensor while an air supply blower and an exhaust blower are in operation and the heater is stopped; and controls a protective operation mode when a temperature of the supply air flow is equal to or lower than a second temperature threshold, the protective operation mode being a mode in which the air supply blower is intermittently operated or is stopped and the exhaust blower continues operation, the temperature of the supply air flow being measured by the outdoor air temperature sensor after the heater is caused to operate.
    Type: Application
    Filed: May 24, 2021
    Publication date: April 25, 2024
    Applicant: Mitsubishi Electric Corporation
    Inventors: Masami YASUDA, Kohei HASEGAWA, Shigenori KOIZUMI, Yutaro HAYAMIZU