Patents by Inventor Hiroshi Kobae

Hiroshi Kobae 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).

  • Engine coolant amount determining apparatus
    Patent number: 8292499
    Abstract: An engine coolant amount determining apparatus includes an electric water pump that can be operated intermittently while an engine is running, and a coolant temperature detecting means for detecting the temperature of coolant at a location higher than the water pump. The engine coolant amount determining apparatus also includes determining means for determining that the amount of coolant is equal to or less than a predetermined amount when the degree of change in the coolant temperature detected by the coolant temperature detecting means when the water pump is operated intermittently is large.
    Type: Grant
    Filed: September 4, 2009
    Date of Patent: October 23, 2012
    Assignee: Toyota Jidosha Kabushiki Kaisha
    Inventors: Kazuya Nakagaki, Masanori Shibata, Masaho Narita, Hisao Nonoyama, Nobutaka Takeuchi, Yukari Araki, Hiroshi Kobae
  • ENGINE COOLANT AMOUNT DETERMINING APPARATUS
    Publication number: 20110038393
    Abstract: An engine coolant amount determining apparatus includes an electric water pump that can be operated intermittently while an engine is running, and a coolant temperature detecting means for detecting the temperature of coolant at a location higher than the water pump. The engine coolant amount determining apparatus also includes determining means for determining that the amount of coolant is equal to or less than a predetermined amount when the degree of change in the coolant temperature detected by the coolant temperature detecting means when the water pump is operated intermittently is large.
    Type: Application
    Filed: September 4, 2009
    Publication date: February 17, 2011
    Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Kazuya Nakagaki, Masanori Shibata, Masaho Narita, Hisao Nonoyama, Nobutaka Takeuchi, Yukari Araki, Hiroshi Kobae