Patents by Inventor Kouji IIO

Kouji IIO 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).

  • Patent number: 11143431
    Abstract: In order to efficiently exchange indoor air and outdoor air, to reduce power consumption, and to reduce discomfort to a user, damper, which switches between a heat exchange exhaust air path and a normal ventilation air path, is provided in an exhaust air path. In addition, a discomfort index is calculated from detection results of indoor temperature sensor provided on indoor-side inlet and outdoor temperature sensor provided on outdoor-side inlet. Further, controller, which switches between the heat exchange exhaust air path and the normal ventilation air path so as not to cause discomfort to the user, is provided to control damper.
    Type: Grant
    Filed: October 30, 2019
    Date of Patent: October 12, 2021
    Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
    Inventors: Daisuke Hashing, Taketo Yamamoto, Meitoku Okumura, Kouji Iio, Yasuaki Shima, Tetsuya Nagase
  • Patent number: 10690373
    Abstract: A total heat exchange device includes: a fan for the exhaust air path which directs air from an indoor exhaust port to an outdoor discharge port through an exhaust air path; another fan for intake air path which directs air from an outdoor suction port to an indoor intake port through an intake air path; and a heat exchange element for exchanging heat between air passing through the exhaust air path and air passing through the intake air path. Also included is a temperature detector for detecting an outdoor temperature and a controller configured to perform a heat exchange mode in which heat is exchanged between air passing through the exhaust air path and air passing through the intake air path or a defrosting mode in which frost on the heat exchange element is thawed, in accordance with the outdoor temperature detected by the temperature detector.
    Type: Grant
    Filed: March 22, 2017
    Date of Patent: June 23, 2020
    Assignees: Panasonic Ecology Systems Guangdong Co., Ltd., Panasonic Corporation
    Inventors: Kai Liu, Houfu Lin, Simei Huang, Daisuke Hashino, Taketo Yamamoto, Kouji Iio
  • Patent number: 10670284
    Abstract: A heat exchanging ventilation device includes supply air blower (8); exhaust air blower (9); a supply air blowing passage through which air to be delivered to indoor from outdoor by supply air blower (8) passes; a exhaust air blowing passage through which air to be delivered to the outdoor from the indoor by the exhaust air blower passes; heat exchange element (11) disposed at a position where both the supply air blowing passage and the exhaust air blowing passage pass and exchanging heat between air delivered by supply air blower (8) and air delivered by exhaust air blower (9); supply air damper (12) provided on supply air inlet (2) side of the supply air blowing passage; exhaust air damper (13) provided on exhaust air outlet (3) side of the exhaust air blowing passage; and circulation damper (14) provided at boundary portion (25) which separates the supply air blowing passage and the exhaust air blowing passage from each other.
    Type: Grant
    Filed: September 16, 2016
    Date of Patent: June 2, 2020
    Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
    Inventors: Kouji Iio, Kenichi Ishiguro, Toshihiko Hashimoto, Yasuhiro Suzuki
  • Publication number: 20200064012
    Abstract: In order to efficiently exchange indoor air and outdoor air, to reduce power consumption, and to reduce discomfort to a user, damper, which switches between a heat exchange exhaust air path and a normal ventilation air path, is provided in an exhaust air path. In addition, a discomfort index is calculated from detection results of indoor temperature sensor provided on indoor-side inlet and outdoor temperature sensor provided on outdoor-side inlet. Further, controller, which switches between the heat exchange exhaust air path and the normal ventilation air path so as not to cause discomfort to the user, is provided to control damper.
    Type: Application
    Filed: October 30, 2019
    Publication date: February 27, 2020
    Inventors: Daisuke HASHINO, Taketo YAMAMOTO, Meitoku OKUMURA, Kouji IIO, Yasuaki SHIMA, Tetsuya NAGASE
  • Patent number: 10527312
    Abstract: A heat exchange device includes: a case, a fan provided inside the case and having a fan air outlet and a fan air inlet, a heat exchange element provided inside the case, a case air port formed in the case, and an adapter connected to the case air port at one end thereof, the adapter including more than one pipe connecting portions with different diameters, the pipe connecting portion closest to the case air port being a first pipe connecting portion, the pipe connecting portion farthest from case air port being a second pipe connecting portion; the diameter of the first pipe connecting portion is larger than the diameter of the second pipe connecting portion, and a thermal insulation component is provided in the adapter and has an air passage therein for passing air therethrough. The disclosure is advantageous in preventing occurrence of condensation and improving product safety.
    Type: Grant
    Filed: June 13, 2016
    Date of Patent: January 7, 2020
    Assignees: PANASONIC ECOLOGY SYSTEMS GUANGDONG CO., LTD., PANASONIC CORPORATION
    Inventors: Kunran Wu, Zhenhong Yang, Kouji Iio, Norihiko Hasegawa
  • Patent number: 10508827
    Abstract: A ventilating device includes a frame forming an outer contour, an airflow path formed by a flowing of air inside the frame, and a plurality of orifices configured to measure a static pressure in a chamber where the airflow path is located, wherein at least one orifice of the plurality of orifices is further configured to drain water out of the frame. In the present disclosure, the orifice for static pressure measurement is provided in the air supply path and/or the air discharge path at a position where the dew is dominantly accumulated, the drainage function and the function of measuring the static pressure may be realized simultaneously, reducing the cost and ensuring air tightness.
    Type: Grant
    Filed: September 20, 2017
    Date of Patent: December 17, 2019
    Assignees: PANASONIC ECOLOGY SYSTEMS GUANGDONG CO., LTD., PANASONIC CORPORATION
    Inventors: Kunran Wu, Junjie Ma, Kouji Iio
  • Patent number: 10495341
    Abstract: In order to efficiently exchange indoor air and outdoor air, to reduce power consumption, and to reduce discomfort to a user, damper, which switches between a heat exchange exhaust air path and a normal ventilation air path, is provided in an exhaust air path. In addition, a discomfort index is calculated from detection results of indoor temperature sensor provided on indoor-side inlet and outdoor temperature sensor provided on outdoor-side inlet. Further, controller, which switches between the heat exchange exhaust air path and the normal ventilation air path so as not to cause discomfort to the user, is provided to control damper.
    Type: Grant
    Filed: November 25, 2014
    Date of Patent: December 3, 2019
    Assignee: Panasonic Intellectual Property Management Co., Ltd.
    Inventors: Daisuke Hashino, Taketo Yamamoto, Meitoku Okumura, Kouji Iio, Yasuaki Shima, Tetsuya Nagase
  • Publication number: 20190203971
    Abstract: Provided is a heat exchange-type ventilation device (1) comprising: an air supply blower including an air supply motor; an exhaust blower including an exhaust motor; an air supply path (7) through which air is sent to a room from outside by the air supply blower: an exhaust path through which air is sent from the room to outside by the exhaust blower: a heat exchange element provided at a position at which the air supply path (7) and the exhaust path intersect, the heat exchange element being configured to exchange heat between room air and outside air at the time of ventilation; and a current detector configured to detect a current flowing through the air supply motor. Using a controller (11), the heat exchange-type ventilation device controls the number of revolutions of the air supply motor.
    Type: Application
    Filed: September 15, 2017
    Publication date: July 4, 2019
    Inventors: Kouji IIO, Naoyuki FUNADA
  • Patent number: 10337758
    Abstract: Supply air conduit (7) along which air is sent from outdoors to indoors by the air supply fan (9), exhaust air conduit (8) along which air is sent from indoors to outdoors by the air exhaust fan (10), and heat exchange element (6) provided at a position where supply air conduit (7) and exhaust air conduit (8) intersect, for exchanging heat between indoor air and outdoor air for ventilation are included. In addition, in exhaust air conduit (8), humidity detection unit (14) is provided at a position upstream of heat exchange element (6), and, in supply air conduit (7), temperature detection unit (13) is provided at a position upstream of heat exchange element (6). In addition, controller (11) reduces, when a temperature detected by temperature detection unit (13) and humidity detected by humidity detection unit (14) are predetermined values, speed of an air supply motor and an air exhaust motor so that air flow rates at which moisture neither condenses nor freezes are attained.
    Type: Grant
    Filed: August 17, 2015
    Date of Patent: July 2, 2019
    Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
    Inventors: Kouji Iio, Yasuaki Shima, Kenichi Ishiguro, Yasuhiro Suzuki, Toshihiko Hashimoto, Teruaki Yasunishi, Yoshiyuki Kido
  • Publication number: 20190032952
    Abstract: A heat exchange device includes: a case, a fan provided inside the case and having a fan air outlet and a fan air inlet, a heat exchange element provided inside the case, a case air port formed in the case, and an adapter connected to the case air port at one end thereof, the adapter including more than one pipe connecting portions with different diameters, the pipe connecting portion closest to the case air port being a first pipe connecting portion, the pipe connecting portion farthest from case air port being a second pipe connecting portion; the diameter of the first pipe connecting portion is larger than the diameter of the second pipe connecting portion, and a thermal insulation component is provided in the adapter and has an air passage therein for passing air therethrough. The disclosure is advantageous in preventing occurrence of condensation and improving product safety.
    Type: Application
    Filed: June 13, 2016
    Publication date: January 31, 2019
    Inventors: Kunran Wu, Zhenhong Yang, Kouji Iio, Norihiko Hasegawa
  • Publication number: 20180224140
    Abstract: A heat exchanging ventilation device includes supply air blower (8); exhaust air blower (9); a supply air blowing passage through which air to be delivered to indoor from outdoor by supply air blower (8) passes; a exhaust air blowing passage through which air to be delivered to the outdoor from the indoor by the exhaust air blower passes; heat exchange element (11) disposed at a position where both the supply air blowing passage and the exhaust air blowing passage pass and exchanging heat between air delivered by supply air blower (8) and air delivered by exhaust air blower (9); supply air damper (12) provided on supply air inlet (2) side of the supply air blowing passage; exhaust air damper (13) provided on exhaust air outlet (3) side of the exhaust air blowing passage; and circulation damper (14) provided at boundary portion (25) which separates the supply air blowing passage and the exhaust air blowing passage from each other.
    Type: Application
    Filed: September 16, 2016
    Publication date: August 9, 2018
    Inventors: KOUJI IIO, KENICHI ISHIGURO, TOSHIHIKO HASHIMOTO, YASUHIRO SUZUKI
  • Publication number: 20170276393
    Abstract: A total heat exchange device is disclosed, which includes: a fan directing air from an indoor exhaust port to an outdoor discharge port through an exhaust air path; a fan directing air from an outdoor suction port to an indoor intake port through an intake air path; and a heat exchange element for exchanging heat between the air passing through the exhaust air path and the air passing through the intake air path. The total heat exchange device further includes a temperature detection section for detecting an outdoor temperature and a control section configured to perform a heat exchange mode in which heat is exchanged between the air passing through the exhaust air path and the air passing through the intake air path or a defrosting mode in which frost on the heat exchange element is thawed, in accordance with the outdoor temperature detected by the temperature detection section.
    Type: Application
    Filed: March 22, 2017
    Publication date: September 28, 2017
    Inventors: Kai Liu, Houfu Lin, Simei Huang, Daisuke Hashino, Taketo Yamamoto, Kouji Iio
  • Publication number: 20170234571
    Abstract: Supply air conduit (7) along which air is sent from outdoors to indoors by the air supply fan (9), exhaust air conduit (8) along which air is sent from indoors to outdoors by the air exhaust fan (10), and heat exchange element (6) provided at a position where supply air conduit (7) and exhaust air conduit (8) intersect, for exchanging heat between indoor air and outdoor air for ventilation are included. In addition, in exhaust air conduit (8), humidity detection unit (14) is provided at a position upstream of heat exchange element (6), and, in supply air conduit (7), temperature detection unit (13) is provided at a position upstream of heat exchange element (6). In addition, controller (11) reduces, when a temperature detected by temperature detection unit (13) and humidity detected by humidity detection unit (14) are predetermined values, speed of an air supply motor and an air exhaust motor so that air flow rates at which moisture neither condenses nor freezes are attained.
    Type: Application
    Filed: August 17, 2015
    Publication date: August 17, 2017
    Applicant: Panasonic Intellectual Property Management Co., Ltd.
    Inventors: KOUJI IIO, YASUAKI SHIMA, KENICHI ISHIGURO, YASUHIRO SUZUKI, TOSHIHIKO HASHIMOTO, TERUAKI YASUNISHI, YOSHIYUKI KIDO
  • Publication number: 20160290675
    Abstract: In order to efficiently exchange indoor air and outdoor air, to reduce power consumption, and to reduce discomfort to a user, damper, which switches between a heat exchange exhaust air path and a normal ventilation air path, is provided in an exhaust air path. In addition, a discomfort index is calculated from detection results of indoor temperature sensor provided on indoor-side inlet and outdoor temperature sensor provided on outdoor-side inlet. Further, controller, which switches between the heat exchange exhaust air path and the normal ventilation air path so as not to cause discomfort to the user, is provided to control damper.
    Type: Application
    Filed: November 25, 2014
    Publication date: October 6, 2016
    Inventors: Daisuke HASHINO, Taketo YAMAMOTO, Meitoku OKUMURA, Kouji IIO, Yasuaki SHIMA, Tetsuya NAGASE