Patents by Inventor Hirofumi Kouge

Hirofumi Kouge 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).

  • Combined air-conditioning and hot-water supply system
    Patent number: 9631826
    Abstract: The controller controls a bypass solenoid valve and hot-water supply expansion unit in a defrosting operation based on a refrigerant temperature detected by a first temperature sensor and a heat medium temperature detected by a second temperature sensor.
    Type: Grant
    Filed: December 11, 2012
    Date of Patent: April 25, 2017
    Assignee: Mistubishi Electric Corporation
    Inventors: Takanao Kimura, Hirofumi Kouge, Hironori Yabuuchi
  • COMBINED AIR-CONDITIONING AND HOT-WATER SUPPLY SYSTEM
    Publication number: 20150308700
    Abstract: The controller controls a bypass solenoid valve and hot-water supply expansion unit in a defrosting operation based on a refrigerant temperature detected by a first temperature sensor and a heat medium temperature detected by a second temperature sensor.
    Type: Application
    Filed: December 11, 2012
    Publication date: October 29, 2015
    Applicant: Mitsubishi Electric Corporation
    Inventors: Takanao KIMURA, Hirofumi KOUGE, Hironori YABUUCHI
  • Air conditioning system, and accumulator therefor and manufacturing method of the accumulator
    Patent number: 5605058
    Abstract: An air conditioning system of the present invention has a refrigerant circuit including a compressor, an oil separator, a condenser, a expansion device, an evaporator, a first accumulator, and a second accumulator which are connected in order by piping, said evaporator, said first accumulator, said second accumulator, and said compressor being connected in series; a first oil return bypass for connecting said oil separator and a connection pipe between said first and second accumulators; and a second oil return bypass for connecting said first accumulator and a connection pipe between said second accumulator and said compressor.
    Type: Grant
    Filed: March 15, 1995
    Date of Patent: February 25, 1997
    Assignee: Mitsubishi Denki Kabushiki Kaisha
    Inventors: Mitsunori Kurachi, Masahiko Sugino, Tomohiko Kasai, Hirofumi Kouge, Tatsuo Ono, Masaharu Moriyasu, Youichi Hisamori, Kenji Kawaguchi, Michio Fujiwara