Patents by Inventor Kenyu Tanaka

Kenyu Tanaka 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).

  • Publication number: 20180292118
    Abstract: A refrigeration cycle apparatus includes a refrigerant circuit in which refrigerant circulates, a temperature sensor provided at a position on the refrigerant circuit, the position being adjacent to a brazed portion or adjacent to a joint portion in which refrigerant pipes are joined to each other, and a controller configured to determine whether or not the refrigerant has leaked based on a detected temperature detected by the temperature sensor. The temperature sensor is covered with a heat insulating material together with the brazed portion or the joint portion.
    Type: Application
    Filed: October 17, 2016
    Publication date: October 11, 2018
    Applicant: Mitsubishi Electric Corporation
    Inventors: Yasuhiro SUZUKI, Takao KOMAI, Akira MAEDA, Mitsuru KAWASHIMA, Masahiko TAKAGI, Kenyu TANAKA, Kazuki WATANABE
  • Patent number: 10094605
    Abstract: Provided is a refrigeration cycle apparatus including a refrigerant circuit configured to circulate refrigerant, a heat exchanger unit accommodating a heat exchanger of the refrigerant circuit, and a controller configured to control the heat exchanger unit, in which the heat exchanger unit includes an air-sending fan, and an electric refrigerant detection unit, the controller is configured to operate the air-sending fan when the controller detects leakage of the refrigerant on the basis of a detection signal from the electric refrigerant detection unit, and the controller is configured to stop electric supply to the electric refrigerant detection unit when a rotation speed of the air-sending fan becomes equal to or larger than a first threshold value under a state in which the electric refrigerant detection unit is supplied with electricity.
    Type: Grant
    Filed: April 26, 2016
    Date of Patent: October 9, 2018
    Assignee: Mitsubishi Electric Corporation
    Inventors: Kenyu Tanaka, Masahiko Takagi, Yasuhiro Suzuki
  • Publication number: 20180187917
    Abstract: A refrigeration cycle apparatus includes a refrigerant circuit configured to circulate refrigerant, a heat exchanger unit accommodating a heat exchanger of the refrigerant circuit, and a controller configured to control the heat exchanger unit. The heat exchanger unit includes an air-sending fan, an electric refrigerant detection unit, and a notifier configured to output notification of an abnormality.
    Type: Application
    Filed: April 26, 2016
    Publication date: July 5, 2018
    Inventors: Yasuhiro SUZUKI, Masahiko TAKAGI, Kenyu TANAKA, Yohei SUZUKI, Kenta NOMURA, Kazuki WATANABE
  • Patent number: 10006658
    Abstract: The unit attaching device of the present invention has suspension brackets that have a hole for passing a suspension bolt suspended from a ceiling and that are installed to an indoor unit that is a unit to be suspended. The suspension brackets are installed on the ceiling side of the side surface of a housing of the indoor unit. For example, when an earthquake or the like occurs, the distance between a part that is the base point of the swing of the suspension bolt and the installation position of the unit can be reduced.
    Type: Grant
    Filed: October 20, 2014
    Date of Patent: June 26, 2018
    Assignee: Mitsubishi Electric Corporation
    Inventors: Kenyu Tanaka, Masahiko Takagi, Makoto Kurihara, Kiyoshi Yoshimura
  • Publication number: 20180106516
    Abstract: Provided is a refrigeration cycle apparatus including a refrigerant circuit configured to circulate refrigerant, a heat exchanger unit accommodating a heat exchanger of the refrigerant circuit, and a controller configured to control the heat exchanger unit, in which the heat exchanger unit includes an air-sending fan, and an electric refrigerant detection unit, the controller is configured to operate the air-sending fan when the controller detects leakage of the refrigerant on the basis of a detection signal from the electric refrigerant detection unit, and the controller is configured to stop electric supply to the electric refrigerant detection unit when a rotation speed of the air-sending fan becomes equal to or larger than a first threshold value under a state in which the electric refrigerant detection unit is supplied with electricity.
    Type: Application
    Filed: April 26, 2016
    Publication date: April 19, 2018
    Inventors: Kenyu TANAKA, Masahiko TAKAGI, Yasuhiro SUZUKI
  • Publication number: 20160258649
    Abstract: An indoor unit includes at least one air outlet including an inner air-passage wall and an outer air-passage wall located outwardly of the inner air-passage wall, and at least one outlet vane disposed in the air outlet. The outlet vane is rotated about a rotation axis and deflects air blown from the air outlet at an angle of rotation. While the indoor unit is in an operating state, the outer air-passage wall and the outlet vane define therebetween an outer air passage through which the blown air passes, and the inner air-passage wall and the outlet vane define therebetween an inner air passage through which the blown air passes. The outlet vane is rotatable to an upward position at which the outer air passage between the outer air-passage wall and the outlet vane is narrowed to have a higher air flow resistance than the inner air passage.
    Type: Application
    Filed: October 6, 2014
    Publication date: September 8, 2016
    Applicant: MITSUBISHI ELECTRIC CORPORATION
    Inventors: Kenyu TANAKA, Masahiko TAKAGI, Makoto KURIHARA, Atsushi KONO
  • Publication number: 20160252270
    Abstract: The unit attaching device of the present invention has suspension brackets that have a hole for passing a suspension bolt suspended from a ceiling and that are installed to an indoor unit that is a unit to be suspended. The suspension brackets are installed on the ceiling side of the side surface of a housing of the indoor unit. For example, when an earthquake or the like occurs, the distance between a part that is the base point of the swing of the suspension bolt and the installation position of the unit can be reduced.
    Type: Application
    Filed: October 20, 2014
    Publication date: September 1, 2016
    Inventors: Kenyu TANAKA, Masahiko TAKAGI, Makoto KURIHARA, Kiyoshi YOSHIMURA
  • Publication number: 20150276246
    Abstract: Provided is an air conditioning apparatus, including: a main body having at least one air inlet and at least one air outlet each being formed at a lower part of the main body; and a heat exchanger housed inside the main body and arranged in a flow passage of air to be sucked into the main body through the air inlet and blown out to a target space through the air outlet. The air outlet is formed between a heat exchanger outlet-side air duct wall and an opposing air duct wall, which is opposed to the heat exchanger outlet-side air duct wall. A thickness (L1) of the heat exchanger outlet-side air duct wall is 0.15L2 to 0.25L2, where L2 represents an inlet width of the air outlet.
    Type: Application
    Filed: September 17, 2013
    Publication date: October 1, 2015
    Applicant: MITSUBISHI ELECTRIC CORPORATION
    Inventors: Atsushi Kono, Takashi Ikeda, Masahiko Takagi, Makoto Kurihara, Kenyu Tanaka