Patents by Inventor Zen-ichi Kakubari

Zen-ichi Kakubari 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 distribution system
    Patent number: 5151063
    Abstract: An air conditioning system comprises an air conditioning unit, a blower for blowing conditioned air, a polygonal branch chamber of prescribed volume, a main duct with damper for delivering conditioned air from the blower to the polygonal branch chamber and branch ducts with dampers for delivering the conditioned air from the polygonal branch chamber to a plurality of discrete spaces. The polygonal branch chamber ensures quiet operation. An electrical circuit board is mounted on the bottom of the polygonal branch chamber and all wiring required for control of the dampers and other components of the system are connected with this board to enable maintenance work to be conducted at a signal location. A circular inspection hole with removable cover is formed in the bottom of the polygonal branch chamber to provide easy access to its interior.
    Type: Grant
    Filed: October 3, 1990
    Date of Patent: September 29, 1992
    Assignee: Zexel Corporation
    Inventors: Ichiro Tanaka, Seiji Sasaki, Zen-ichi Kakubari, Osamu Kojima