Patents by Inventor Ryouta SUHARA

Ryouta SUHARA 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: 20210102725
    Abstract: The indoor unit includes a plurality of outlet openings. In airflow rotation of the indoor unit, a full blowout mode and a partial blowout mode are executed. In the full blowout mode, all the outlet openings blow conditioned air. In the partial blowout mode, the flow of the blowing air of part of the outlet openings are blocked by the air current blocking mechanism, and thus the blowing wind speeds of the remaining outlet openings increases. As a result, an air temperature difference among parts of the indoor space decreases, and the comfort of the indoor space is improved.
    Type: Application
    Filed: December 18, 2020
    Publication date: April 8, 2021
    Applicant: DAIKIN INDUSTRIES, LTD.
    Inventors: Akira KOMATSU, Nobuyuki KOJIMA, Ryouta SUHARA, Masaaki MURATA, Natsumi FURO
  • Patent number: 10941954
    Abstract: Occurrence of a phenomenon in which an air current that has just been blown from any indoor unit is drawn into an adjacent indoor unit is reduced. A controller makes each of a plurality of indoor units perform a partial supply operation. In the partial supply operation, the controller controls an airflow direction adjusting flap such that, regarding the indoor units adjacent to each other with a predetermined distance ? interposed therebetween, air currents are blown from both outlet openings which face each other with the predetermined distance ? interposed therebetween, and that the air currents collide with each other.
    Type: Grant
    Filed: December 12, 2016
    Date of Patent: March 9, 2021
    Assignee: DAIKIN INDUSTRIES, LTD.
    Inventors: Nobuyuki Kojima, Akira Komatsu, Ryouta Suhara
  • Patent number: 10900688
    Abstract: The indoor unit includes a plurality of outlet openings. In airflow rotation of the indoor unit, a full blowout mode and a partial blowout mode are executed. In the full blowout mode, all the outlet openings blow conditioned air. In the partial blowout mode, the flow of the blowing air of part of the outlet openings are blocked by the air current blocking mechanism, and thus the blowing wind speeds of the remaining outlet openings increases. As a result, an air temperature difference among parts of the indoor space decreases, and the comfort of the indoor space is improved.
    Type: Grant
    Filed: August 9, 2016
    Date of Patent: January 26, 2021
    Assignee: DAIKIN INDUSTRIES, LTD.
    Inventors: Akira Komatsu, Nobuyuki Kojima, Ryouta Suhara, Masaaki Murata, Natsumi Furo
  • Patent number: 10655885
    Abstract: Entrance of cold air from near a wall of an indoor space is avoided. An airflow direction adjusting flap is provided at a main outlet opening, and changes the direction of airflow coming from the main outlet opening in a vertical direction. A load detector detects a load of an indoor space. When the load of the indoor space is higher than a predetermined value in a heating operation, the airflow direction adjusting flap guides the air coming from the main outlet opening in a horizontal direction or in an upward direction with respect to the horizontal direction.
    Type: Grant
    Filed: August 26, 2016
    Date of Patent: May 19, 2020
    Assignee: DAIKIN INDUSTRIES, LTD.
    Inventors: Nobuyuki Kojima, Akira Komatsu, Ryouta Suhara, Masaaki Murata, Natsumi Furo
  • Publication number: 20200132322
    Abstract: An air-conditioning device includes: a suction air temperature sensor provided in an indoor unit; a wireless temperature sensor unit separate from the indoor unit; an abnormal condition determining section determining whether or not the wireless temperature sensor unit is in an abnormal condition; an index setting section setting a temperature index value; and a controller controlling operation of the air-conditioning device based on the set temperature index value. While the abnormal condition determining section determines that the wireless temperature sensor unit is in the abnormal condition, the index setting section determines a measurement value of the suction air temperature sensor to be the temperature index value.
    Type: Application
    Filed: December 24, 2019
    Publication date: April 30, 2020
    Applicant: DAIKIN INDUSTRIES, LTD.
    Inventors: Toshimichi NAKAYAMA, Yoshiteru NOUCHI, Kousuke SHIOHAMA, Ryouta SUHARA
  • Patent number: 10551082
    Abstract: An air-conditioning device includes: a suction air temperature sensor provided in an indoor unit; a wireless temperature sensor unit separate from the indoor unit; an abnormal condition determining section determining whether or not the wireless temperature sensor unit is in an abnormal condition; an index setting section setting a temperature index value; and a controller controlling operation of the air-conditioning device based on the set temperature index value. While the abnormal condition determining section determines that the wireless temperature sensor unit is in the abnormal condition, the index setting section determines a measurement value of the suction air temperature sensor to be the temperature index value.
    Type: Grant
    Filed: January 18, 2017
    Date of Patent: February 4, 2020
    Assignee: DAIKIN INDUSTRIES, LTD.
    Inventors: Toshimichi Nakayama, Yoshiteru Nouchi, Kousuke Shiohama, Ryouta Suhara
  • Patent number: 10422546
    Abstract: Entrance of cold air from near a wall of an indoor space is avoided. An airflow direction adjusting flap is provided at a main outlet opening of the casing, and changes a direction of air supplied from the main outlet opening in a vertical direction. The heat exchange temperature sensor detects a temperature of the indoor heat exchanger. A motor controller controls the airflow direction adjusting flap to operate in an airflow mode, in which air is supplied from the main outlet opening at least horizontally, when a value detected by the heat exchange temperature sensor is greater than a first predetermined value in the heating operation.
    Type: Grant
    Filed: June 15, 2018
    Date of Patent: September 24, 2019
    Assignee: Daikin Industries, Ltd.
    Inventors: Ryouta Suhara, Nobuyuki Kojima, Natsumi Furo
  • Patent number: 10274220
    Abstract: If a load of an indoor space is higher than a predetermined value in a cooling operation, a controller performs a swing control operation to swing a wind direction adjusting slat so that a direction of blown air shifts in a limited possible range. The angle of a lowermost wind direction relative to a horizontal plane in the limited possible range is smaller than the angle of a lowermost wind direction relative to the horizontal plane in the normal possible range. The normal possible range is previously determined to be a range where if the load of the indoor space is lower than the predetermined value, the direction of the blown air can shift upward and downward.
    Type: Grant
    Filed: August 2, 2016
    Date of Patent: April 30, 2019
    Assignee: DAIKIN INDUSTRIES, LTD.
    Inventors: Nobuyuki Kojima, Akira Komatsu, Ryouta Suhara, Masaaki Murata, Natsumi Furo
  • Publication number: 20190056137
    Abstract: The indoor unit includes a plurality of outlet openings. In airflow rotation of the indoor unit, a full blowout mode and a partial blowout mode are executed. In the full blowout mode, all the outlet openings blow conditioned air. In the partial blowout mode, the flow of the blowing air of part of the outlet openings are blocked by the air current blocking mechanism, and thus the blowing wind speeds of the remaining outlet openings increases. As a result, an air temperature difference among parts of the indoor space decreases, and the comfort of the indoor space is improved.
    Type: Application
    Filed: August 9, 2016
    Publication date: February 21, 2019
    Applicant: DAIKIN INDUSTRIES, LTD.
    Inventors: Akira KOMATSU, Nobuyuki KOJIMA, Ryouta SUHARA, Masaaki MURATA, Natsumi FURO
  • Publication number: 20190049137
    Abstract: Occurrence of a phenomenon in which an air current that has just been blown from any indoor unit is drawn into an adjacent indoor unit is reduced. A controller makes each of a plurality of indoor units perform a partial supply operation. In the partial supply operation, the controller controls an airflow direction adjusting flap such that, regarding the indoor units adjacent to each other with a predetermined distance ? interposed therebetween, air currents are blown from both outlet openings which face each other with the predetermined distance ? interposed therebetween, and that the air currents collide with each other.
    Type: Application
    Filed: December 12, 2016
    Publication date: February 14, 2019
    Applicant: DAIKIN INDUSTRIES, LTD.
    Inventors: Nobuyuki KOJIMA, Akira KOMATSU, Ryouta SUHARA
  • Publication number: 20190041083
    Abstract: A draft perceived by a user under an indoor unit is reduced. A controller makes each of a plurality of indoor units perform a partial supply operation. In the partial supply operation, the controller controls an airflow blocking mechanism such that, regarding the indoor units adjacent to each other with a predetermined distance a interposed therebetween, no air current is blown from one of the outlet openings which face each other with the predetermined distance a interposed therebetween.
    Type: Application
    Filed: December 12, 2016
    Publication date: February 7, 2019
    Applicant: DAIKIN INDUSTRIES, LTD.
    Inventors: Nobuyuki KOJIMA, Ryouta SUHARA
  • Publication number: 20190032980
    Abstract: An air-conditioning device includes: a suction air temperature sensor provided in an indoor unit; a wireless temperature sensor unit separate from the indoor unit; an abnormal condition determining section determining whether or not the wireless temperature sensor unit is in an abnormal condition; an index setting section setting a temperature index value; and a controller controlling operation of the air-conditioning device based on the set temperature index value. While the abnormal condition determining section determines that the wireless temperature sensor unit is in the abnormal condition, the index setting section determines a measurement value of the suction air temperature sensor to be the temperature index value.
    Type: Application
    Filed: January 18, 2017
    Publication date: January 31, 2019
    Applicant: DAIKIN INDUSTRIES, LTD.
    Inventors: Toshimichi NAKAYAMA, Yoshiteru NOUCHI, Kousuke SHIOHAMA, Ryouta SUHARA
  • Publication number: 20180299164
    Abstract: Entrance of cold air from near a wall of an indoor space is avoided. An airflow direction adjusting flap is provided at a main outlet opening of the casing, and changes a direction of air supplied from the main outlet opening in a vertical direction. The heat exchange temperature sensor detects a temperature of the indoor heat exchanger. A motor controller controls the airflow direction adjusting flap to operate in an airflow mode, in which air is supplied from the main outlet opening at least horizontally, when a value detected by the heat exchange temperature sensor is greater than a first predetermined value in the heating operation.
    Type: Application
    Filed: June 15, 2018
    Publication date: October 18, 2018
    Applicant: DAIKIN INDUSTRIES, LTD.
    Inventors: Ryouta SUHARA, Nobuyuki KOJIMA, Natsumi FURO
  • Patent number: 10088191
    Abstract: False determination in the presence or absence of a person in a in a room is limited. An air conditioner suspends an air conditioning operation if a room is vacant. If at least one of motion detectors, each provided to one of the indoor units, starts to detect the presence of a person during suspension of the air conditioning operation, an indoor controller of an indoor unit sums, for each of the motion detectors, time periods in which the presence of the person is detected to obtain a detection time period sum. If any one of detection time period sums, each for one of the motion detectors, reaches a reference value within a predetermined time period, the outdoor controller causes the air conditioner to resume the air conditioning operation.
    Type: Grant
    Filed: July 1, 2014
    Date of Patent: October 2, 2018
    Assignee: Daikin Industries, Ltd.
    Inventors: Ryouta Suhara, Takayoshi Yamamoto, Tsuyoshi Yokomizo, Tomoo Masuda
  • Publication number: 20180259217
    Abstract: If a load of an indoor space is higher than a predetermined value in a cooling operation, a controller performs a swing control operation to swing a wind direction adjusting slat so that a direction of blown air shifts in a limited possible range. The angle of a lowermost wind direction relative to a horizontal plane in the limited possible range is smaller than the angle of a lowermost wind direction relative to the horizontal plane in the normal possible range. The normal possible range is previously determined to be a range where if the load of the indoor space is lower than the predetermined value, the direction of the blown air can shift upward and downward.
    Type: Application
    Filed: August 2, 2016
    Publication date: September 13, 2018
    Applicant: DAIKIN INDUSTRIES, LTD.
    Inventors: Nobuyuki KOJIMA, Akira KOMATSU, Ryouta SUHARA, Masaaki MURATA, Natsumi FURO
  • Publication number: 20180252429
    Abstract: Entrance of cold air from near a wall of an indoor space is avoided. An airflow direction adjusting flap is provided at a main outlet opening, and changes the direction of airflow coming from the main outlet opening in a vertical direction. A load detector detects a load of an indoor space. When the load of the indoor space is higher than a predetermined value in a heating operation, the airflow direction adjusting flap guides the air coming from the main outlet opening in a horizontal direction or in an upward direction with respect to the horizontal direction.
    Type: Application
    Filed: August 26, 2016
    Publication date: September 6, 2018
    Applicant: DAIKIN INDUSTRIES, LTD.
    Inventors: Nobuyuki KOJIMA, Akira KOMATSU, Ryouta SUHARA, Masaaki MURATA, Natsumi FURO
  • Patent number: 9568221
    Abstract: An indoor heat exchanger has a first region including a first refrigerant path and a second region including a second refrigerant path. The first refrigerant path forms a full counter flow portion during a heating operation, and forms a full parallel flow portion during a cooling operation. The second region is configured so that air has a lower flow velocity in the second region than in the first region. During both the cooling and heating operations, the second refrigerant path forms both a partial parallel flow portion and a partial counter flow portion.
    Type: Grant
    Filed: March 20, 2014
    Date of Patent: February 14, 2017
    Assignee: Daikin Industries, Ltd.
    Inventor: Ryouta Suhara
  • Publication number: 20160201936
    Abstract: False determination in the presence or absence of a person in a in a room is limited. An air conditioner suspends an air conditioning operation if a room is vacant. If at least one of motion detectors, each provided to one of the indoor units, starts to detect the presence of a person during suspension of the air conditioning operation, an indoor controller of an indoor unit sums, for each of the motion detectors, time periods in which the presence of the person is detected to obtain a detection time period sum. If any one of detection time period sums, each for one of the motion detectors, reaches a reference value within a predetermined time period, the outdoor controller causes the air conditioner to resume the air conditioning operation.
    Type: Application
    Filed: July 1, 2014
    Publication date: July 14, 2016
    Applicant: DAIKIN INDUSTRIES, LTD.
    Inventors: Ryouta SUHARA, Takayoshi YAMAMOTO, Tsuyoshi YOKOMIZO, Tomoo MASUDA
  • Publication number: 20160138839
    Abstract: An indoor heat exchanger has a first region including a first refrigerant path and a second region including a second refrigerant path. The first refrigerant path forms a full counter flow portion during a heating operation, and forms a full parallel flow portion during a cooling operation. The second region is configured so that air has a lower flow velocity in the second region than in the first region. During both the cooling and heating operations, the second refrigerant path forms both a partial parallel flow portion and a partial counter flow portion.
    Type: Application
    Filed: March 20, 2014
    Publication date: May 19, 2016
    Applicant: DAIKIN INDUSTRIES, LTD.
    Inventor: Ryouta SUHARA
  • Publication number: 20160054010
    Abstract: A gas-side pipe (70) is provided with a header body (71a) extending vertically along a side end portion (32a) of an indoor heat exchanger (32), a vertical tube portion (74) facing the header body (71 a), and a bent tube portion (73) connecting a lower end portion of the header body (71 a) and a lower end portion of the vertical tube portion (74) together. Part of a liquid-side pipe (80) is provided in a space (S1) between the header body (71a), the vertical tube portion (74), and the bent tube portion (73).
    Type: Application
    Filed: April 24, 2014
    Publication date: February 25, 2016
    Applicant: DAIKIN INDUSTRIES, LTD.
    Inventor: Ryouta SUHARA