Patents by Inventor Akihiro Tozuka

Akihiro Tozuka 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).

  • Breather pipe structure for liquid reducing agent storage tank
    Patent number: 9964015
    Abstract: Provided is a breather pipe structure for a liquid reducing agent storage tank which ensures that a liquid reducing agent can be supplied without trouble even if a breather pipe in the liquid reducing agent storage tank is clogged with frozen liquid reducing agent. In a breather pipe structure for a liquid reducing agent storage tank (10) which stores a liquid reducing agent (5) and which has a breather pipe (20) for introducing/discharging air attached on top of the liquid reducing agent storage tank (10), a lower end (20c) of the breather pipe (20) in the liquid reducing agent storage tank (10) is arranged to extend along a liquid reducing agent defrosting piping (16) provided in the liquid reducing agent storage tank (10).
    Type: Grant
    Filed: February 23, 2011
    Date of Patent: May 8, 2018
    Assignee: Isuzu Motors Limited
    Inventors: Shin Amagasaki, Takuya Mito, Tatsuo Mashiko, Kazuhiro Kodaira, Akihiro Tozuka
  • BREATHER PIPE STRUCTURE FOR LIQUID REDUCING AGENT STORAGE TANK
    Publication number: 20120325837
    Abstract: Provided is a breather pipe structure for a liquid reducing agent storage tank which is capable of introducing/discharging air according to changes of liquid amount in the liquid reducing agent storage tank and capable of controlling the full-tank liquid surface level during injection of a liquid reductant. In the breather pipe structure for a liquid reducing agent storage tank (10) which stores a liquid reducing agent (5) and which has a breather pipe (20) attached on top of the tank for introducing/discharging air, a lower end (20c) of the breather pipe (20) extending downward from the top of the liquid reducing agent storage tank (10) is positioned at a level corresponding to the liquid surface level when the tank is full.
    Type: Application
    Filed: February 23, 2011
    Publication date: December 27, 2012
    Applicant: ISUZU MOTORS LIMITED
    Inventors: Shin Amagasaki, Takuya Mito, Kazuhiro Kodaira, Akihiro Tozuka
  • BREATHER PIPE STRUCTURE FOR LIQUID REDUCING AGENT STORAGE TANK
    Publication number: 20120318813
    Abstract: Provided is a breather pipe structure for a liquid reducing agent storage tank which ensures that a liquid reducing agent can be supplied without trouble even if a breather pipe in the liquid reducing agent storage tank is clogged with frozen liquid reducing agent. In a breather pipe structure for a liquid reducing agent storage tank (10) which stores a liquid reducing agent (5) and which has a breather pipe (20) for introducing/discharging air attached on top of the liquid reducing agent storage tank (10), a lower end (20c) of the breather pipe (20) in the liquid reducing agent storage tank (10) is arranged to extend along a liquid reducing agent defrosting piping (16) provided in the liquid reducing agent storage tank (10).
    Type: Application
    Filed: February 23, 2011
    Publication date: December 20, 2012
    Applicant: ISUZU MOTORS LIMITED
    Inventors: Shin Amagasaki, Takuya Mito, Tatsuo Mashiko, Kazuhiro Kodaira, Akihiro Tozuka