Patents by Inventor Masao Imanari

Masao Imanari 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-conditioner for use in an automobile
    Patent number: 6682322
    Abstract: In an electromotive compressor of an air-conditioner for use in an automobile, an interior space of a container of a compressor is divided into a space including a compression mechanism portion and an electric motor portion, and an oil storage space, wherein an oil passage is provided in a lower portion while a partition having a gas passage in an upper portion thereof, and a gas emission pipe is provided in one of the two (2) spaces at the oil storage portion side, being divided by the partition plate, while an oil supply pipe in the other, thereby making an opening of the oil supply pipe dipped within the lubricating oil even when a car declines.
    Type: Grant
    Filed: March 15, 2002
    Date of Patent: January 27, 2004
    Assignee: Hitachi, Ltd.
    Inventors: Sunao Funakoshi, Hidenori Yokoyama, Masao Imanari, Masatsugu Chikano
  • Air-conditioner for use in an automobile
    Publication number: 20030082061
    Abstract: In an electromotive compressor of an air-conditioner for use in an automobile, an interior space of a container of a compressor is divided into a space including a compression mechanism portion and an electric motor portion, and an oil storage space, wherein an oil passage is provided in a lower portion while a partition having a gas passage in an upper portion thereof, and a gas emission pipe is provided in one of the two (2) spaces at the oil storage portion side, being divided by the partition plate, while an oil supply pipe in the other, thereby making an opening of the oil supply pipe dipped within the lubricating oil even when a car declines.
    Type: Application
    Filed: March 15, 2002
    Publication date: May 1, 2003
    Inventors: Sunao Funakoshi, Hidenori Yokoyama, Masao Imanari, Masatsugu Chikano
  • Ice thermal storage type air conditioner and ice thermal storage tank
    Patent number: 6253567
    Abstract: An ice thermal storage type air conditioner includes an outdoor unit 14 equipped with a compressor 12 and an outdoor heat exchanger 13, an indoor unit 17 equipped with an indoor heat exchanger 16 and an expansion valve 18b, and an ice thermal storage tank 5. The ice thermal storage tank is equipped with a heat exchanger exchanger used as a condenser when the accumulated heat is used. The heat exchanger has a pipe-shaped heat transfer tube 1 and a plate-shaped fin 2 installed to the heat transfer tube. The fin is installed vertically, and a plurality of rows of the heat transfer tubes and the fins are arranged.
    Type: Grant
    Filed: September 16, 1999
    Date of Patent: July 3, 2001
    Assignee: Hitachi, Ltd.
    Inventors: Masao Imanari, Toshihiko Fukushima, Sachio Sekiya, Katsumi Matsubara, Kenji Tokusa, Yoshihiko Mochizuki
  • Ice thermal storage type air-conditioner and ice thermal storage tank
    Patent number: 6101837
    Abstract: An ice thermal storage type air-conditioner and an ice thermal storage tank, in which unused portions in the ice thermal storage tank is reduced to enhance an ice filling rate in the ice thermal storage tank or to prevent excessive icing from damaging a heat transfer unit.
    Type: Grant
    Filed: March 9, 1999
    Date of Patent: August 15, 2000
    Assignee: Hitachi, Ltd.
    Inventors: Masao Imanari, Toshihiko Fukushima, Toshio Hatada, Katsumi Matsubara, Naoto Katsumata