Patents by Inventor Takeharu Totsuka

Takeharu Totsuka 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 exchanging unit, heat exchanging apparatus, and hot water supply system
    Patent number: 11739980
    Abstract: A heat exchanging unit exchanges heat between a fluid to be heated and exhaust gas. The heat exchanging unit includes a heat exchange portion, a header portion, and a flow changing portion. The heat exchange portion includes a heat exchange pipe in the interior of which the fluid to be heated flows. The header portion is connected to the heat exchange pipe, the header portion allowing the fluid to be heated to flow from the header portion to the heat exchange pipe or from the heat exchange pipe to the header portion. The flow changing portion changes the state of flow of the exhaust gas introduced into the heat exchange portion.
    Type: Grant
    Filed: May 30, 2019
    Date of Patent: August 29, 2023
    Assignee: PURPOSE CO., LTD.
    Inventors: Toshiaki Aoki, Takeharu Totsuka, Kyohei Matsushita
  • HEAT EXCHANGING UNIT, HEAT EXCHANGING APPARATUS, AND HOT WATER SUPPLY SYSTEM
    Publication number: 20200064020
    Abstract: A heat exchanging unit exchanges heat between a fluid to be heated and exhaust gas. The heat exchanging unit includes a heat exchange portion, a header portion, and a flow changing portion. The heat exchange portion includes a heat exchange pipe in the interior of which the fluid to be heated flows. The header portion is connected to the heat exchange pipe, the header portion allowing the fluid to be heated to flow from the header portion to the heat exchange pipe or from the heat exchange pipe to the header portion. The flow changing portion changes the state of flow of the exhaust gas introduced into the heat exchange portion.
    Type: Application
    Filed: May 30, 2019
    Publication date: February 27, 2020
    Applicant: PURPOSE CO., LTD.
    Inventors: Toshiaki Aoki, Takeharu Totsuka, Kyohei Matsushita