Patents by Inventor Yoshitaka Warashina

Yoshitaka Warashina 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).

  • Air conditioning apparatus having louver for changing the direction of air into room
    Patent number: 5251814
    Abstract: A louver is provided at an air outlet of an indoor unit. The louver changes the direction of air into the room and swings in a horizontal direction of the room. On the other hand, a temperature sensor unit is provided on the indoor unit. The temperature sensor unit senses temperatures at a plurality of locations in the room. A difference between sensed temperatures of the temperature sensor unit is detected, and the center of swing of the louver is set at a position determined on the basis of the detection result. Further, the angle of swing of the louver is changed in accordance with the detection result.
    Type: Grant
    Filed: October 16, 1992
    Date of Patent: October 12, 1993
    Assignee: Kabushiki Kaisha Toshiba
    Inventors: Yoshitaka Warashina, Kazuo Mochizuki, Noboru Kumagai, Keiichi Morita, Atsushi Nagasawa