Patents by Inventor Yuuichi Hanada

Yuuichi Hanada 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: 10393396
    Abstract: According to an embodiment, a thermal load estimating device receives actual power consumption of various types of devices installed in a room, a thermal load pattern of a time-series maximum thermal load of the room, and power consumption of the various types of devices in the room; estimates a thermal load of the room at appropriate time based on the actual power consumption, the thermal load pattern, and the power consumption; and outputs an estimated thermal-load value as a result of estimation.
    Type: Grant
    Filed: November 19, 2014
    Date of Patent: August 27, 2019
    Assignee: Kabushiki Kaisha Toshiba
    Inventors: Shingo Tamaru, Yuuichi Hanada, Dai Murayama, Koji Kimura, Masahiko Murai
  • Publication number: 20180046158
    Abstract: An equipment characteristics model learning device includes an acquisition unit and a model coefficient deriving unit. The acquisition unit is configured to acquire actual values of variables which are used to express characteristics of equipment in a characteristics model indicating the characteristics. The model coefficient deriving unit is configured to derive a value of a coefficient of a simple characteristic model using the acquired actual values, wherein the simple characteristic model corresponds to a value range of a change factor variable which is a variable serving as a change factor for the characteristics among the variables of the characteristic model and indicates the characteristics using variables obtained by lowering the number of dimensions of the characteristic model.
    Type: Application
    Filed: February 16, 2016
    Publication date: February 15, 2018
    Applicants: Kabushiki Kaisha Toshiba, Toshiba Infrastructure Systems & Solutions Corporation
    Inventors: Masaaki SAITO, Masahiko MURAI, Yuuichi HANADA, Yuuki KUBO
  • Patent number: 9702578
    Abstract: An air conditioning control system allows a supply air switching controller to alternately switch outside air control and return air control at a preset switching interval. The supply air switching controller is connected to an air conditioner placed to correspond to each room inside as an air conditioning control subject. The outside air control takes outside air into a temperature/humidity adjustment coil of the air conditioner by opening a first damper provided in the air conditioner in order to adjust an intake volume of the outside air into the air conditioner and by closing a second damper provided in the air conditioner in order to adjust an intake volume of return air from the room inside. The return air control takes the return air from the room inside into the temperature/humidity adjustment coil of the air conditioner by closing the first damper and opening the second damper.
    Type: Grant
    Filed: July 8, 2009
    Date of Patent: July 11, 2017
    Assignee: Kabushiki Kaisha Toshiba
    Inventors: Kenzo Yonezawa, Yasuo Takagi, Nobutaka Nishimura, Yuuichi Hanada, Naoki Makino, Hideki Oono, Akihiro Fujii, Susumu Sugawara, Tomonori Maegawa, Hiroshi Morimoto
  • Patent number: 9648788
    Abstract: In accordance with embodiments, a server room managing air conditioning system includes: a first coil; a second coil; and an air supply fan. The first coil adjusts returned air of a server room to a predetermined temperature value lower than a supplied air temperature target value and dehumidifies the returned air. The second coil adjusts the returned air of the server room to a predetermined temperature value higher than the supplied air temperature target value so that the supplied air temperature target value and a supplied air humidity target value can be achieved when the returned air is mixed with air adjusted by the first coil. The air supply fan mixes the returned air and supplies the mixed returned air as the supplied air to the server room.
    Type: Grant
    Filed: April 2, 2015
    Date of Patent: May 9, 2017
    Assignee: Kabushiki Kaisha Toshiba
    Inventors: Dai Murayama, Yasuo Takagi, Yuuichi Hanada, Hideyoshi Ootani, Tomoyuki Kinoshita, Hiroshi Morimoto, Koubun Takahashi
  • Patent number: 9534804
    Abstract: According to the embodiment, the air conditioning system for a server changes air conditioning control target values within a certain range when outside air and return air both have higher specific enthalpy than the target state and hence the mixed air of the outside air and the return air cannot be adjusted to air in the target state.
    Type: Grant
    Filed: June 28, 2012
    Date of Patent: January 3, 2017
    Assignee: Kabushiki Kaisha Toshiba
    Inventors: Hideyoshi Ootani, Tomoyuki Kinoshita, Yuuichi Hanada, Yasuo Takagi, Dai Murayama, Kobun Takahashi, Hiroshi Morimoto
  • Publication number: 20160348932
    Abstract: According to an embodiment, a thermal load estimating device receives actual power consumption of various types of devices installed in a room, a thermal load pattern of a time-series maximum thermal load of the room, and power consumption of the various types of devices in the room; estimates a thermal load of the room at appropriate time based on the actual power consumption, the thermal load pattern, and the power consumption; and outputs an estimated thermal-load value as a result of estimation.
    Type: Application
    Filed: November 19, 2014
    Publication date: December 1, 2016
    Applicant: Kabushiki Kaisha Toshiba
    Inventors: Shingo TAMARU, Yuuichi HANADA, Dai MURAYAMA, Masahiko MURAI, Koji KIMURA
  • Publication number: 20160290667
    Abstract: An air-conditioning control device controls air conditioning in an air-conditioning zone by using a plurality of types of air conditioners each having a different air supply system. The air-conditioning control device includes a setting unit and an output unit. The setting unit sets air-conditioning load distribution of the air conditioners based on optimal load distribution functions generated based on models of the air conditioners so that total energy consumption of the air conditioners is reduced within a range of comfort of the air-conditioning zone set by a user. The output unit outputs, based on the air-conditioning load distribution set by the setting unit, control values for controlling the air conditioners to controlling devices of the air conditioners.
    Type: Application
    Filed: November 28, 2013
    Publication date: October 6, 2016
    Applicant: Kabushiki Kaisha Toshiba
    Inventors: Shingo TAMARU, Dai MURAYAMA, Masahiko MURAI, Yuuichi HANADA, Koji KIMURA, Yasuo TAKAGI
  • Publication number: 20160195290
    Abstract: According to an embodiment, an air-conditioning controller configured to control an air-conditioning system including a heat source device that supplies a refrigerant for cooling air to an air conditioner includes: a comfort index range recorder for storing a target range of a comfort index of a sensation of warmth of human; a comfort index calculator for calculating the comfort index based on a temperature measured value or a humidity measured value according to an air-conditioning subject obtained by a measured value obtaining unit, and an airflow speed according to the air-conditioning subject; a blast fan controller configured to control changing a wind speed from a blast fan to high when the comfort index is out of the target range; and a consumption energy controller configured to control the heat source device to decrease consumption energy after changing the wind speed.
    Type: Application
    Filed: March 11, 2016
    Publication date: July 7, 2016
    Inventors: Kenzo YONEZAWA, Yasuo TAKAGI, Nobutaka NISHIMURA, Yuuichi HANADA, Naoki MAKINO, Hiroshi MORIMOTO
  • Patent number: 9307679
    Abstract: In accordance with embodiments, a server room managing air conditioning system includes: a first coil; a second coil; and an air supply fan. The first coil adjusts returned air of a server room to a predetermined temperature value lower than a supplied air temperature target value and dehumidifies the returned air. The second coil adjusts the returned air of the server room to a predetermined temperature value higher than the supplied air temperature target value so that the supplied air temperature target value and a supplied air humidity target value can be achieved when the returned air is mixed with air adjusted by the first coil. The air supply fan mixes the returned air and supplies the mixed returned air as the supplied air to the server room.
    Type: Grant
    Filed: February 29, 2012
    Date of Patent: April 5, 2016
    Assignee: Kabushiki Kaisha Toshiba
    Inventors: Dai Murayama, Yasuo Takagi, Yuuichi Hanada, Hideyoshi Ootani, Tomoyuki Kinoshita, Hiroshi Morimoto, Koubun Takahashi
  • Patent number: 9237680
    Abstract: In an embodiment, an air conditioning system for managing a server room, which has first and second spaces separated from each other, in which a server is installed between the first and second spaces, and supply air flowed into the first space is heated by heat generation of the server, and flows out as return air via the second space, includes: a cold air generation device; an air supply fan; a first differential pressure gauge; and a control device. The cold air generation device generates supply air satisfying a predetermined condition. The air supply fan flows the generated supply air into the first space. The first differential pressure gauge measures a differential pressure of a static pressure of the second space with respect to a static pressure of the first space.
    Type: Grant
    Filed: March 2, 2012
    Date of Patent: January 12, 2016
    Assignee: Kabushiki Kaisha Toshiba
    Inventors: Dai Murayama, Yasuo Takagi, Yuuichi Hanada, Hideyoshi Ootani, Tomoyuki Kinoshita, Hiroshi Morimoto, Koubun Takahashi
  • Patent number: 9188356
    Abstract: According one embodiment, an air-conditioning system is connected to a server room, in which server racks accommodating a plurality of servers are placed between separated first and second spaces, by a return air duct and a supply air duct. In the server room, an airflow is formed so that cold air flown from under the floor into the first space is heated by heat generation of the servers and is flown out from the second space as return air. The system sets control contents for generating supply air within a previously determined supply air temperature target range and a previously determined supply air humidity target range and controls the operation of each device in the system based on the set control contents.
    Type: Grant
    Filed: August 19, 2011
    Date of Patent: November 17, 2015
    Assignee: Kabushiki Kaisha Toshiba
    Inventors: Dai Murayama, Yasuo Takagi, Yuuichi Hanada, Hideyoshi Ootani, Tomoyuki Kinoshita, Hiroshi Morimoto, Koubun Takahashi
  • Patent number: 9185829
    Abstract: A system for a server room management includes an air-conditioning control device including: an acquisition unit; a setting unit that sets content for generating supply air at temperature, absolute humidity, and relative humidity within target range, based on outside air temperature and humidity as well as return air temperature; and a controller controlling amount of outside air, amount of return air, control amount of humidifier, control amount of cooler, and amount of air blown by blower, based on the content. If the outside air is within range greater than absolute humidity upper limit, or within range greater than enthalpy upper limit and greater than the temperature upper limit, the setting unit compares outside air and return air, and then determines, in accordance with the comparison, whether to set the content so that the cooler performs cooling by minimizing or maximizing the amount of the outside air.
    Type: Grant
    Filed: June 15, 2012
    Date of Patent: November 10, 2015
    Assignee: Kabushiki Kaisha Toshiba
    Inventors: Dai Murayama, Yasuo Takagi, Hideyoshi Ootani, Tomoyuki Kinoshita, Yuuichi Hanada, Hiroshi Morimoto, Kobun Takahashi
  • Publication number: 20150216086
    Abstract: In accordance with embodiments, a server room managing air conditioning system includes: a first coil; a second coil; and an air supply fan. The first coil adjusts returned air of a server room to a predetermined temperature value lower than a supplied air temperature target value and dehumidifies the returned air. The second coil adjusts the returned air of the server room to a predetermined temperature value higher than the supplied air temperature target value so that the supplied air temperature target value and a supplied air humidity target value can be achieved when the returned air is mixed with air adjusted by the first coil. The air supply fan mixes the returned air and supplies the mixed returned air as the supplied air to the server room.
    Type: Application
    Filed: April 2, 2015
    Publication date: July 30, 2015
    Inventors: Dai Murayama, Yasuo Takagi, Yuuichi Hanada, Hideyoshi Ootani, Tomoyuki Kinoshita, Hiroshi Morimoto, Koubun Takahashi
  • Patent number: 9033776
    Abstract: An embodiment includes a first space, a second space, a first damper, a second damper, and a third damper. The first space is connected to a cold space, having cold air reside therein to send to the cold space. The second space has return air reside therein, as it is discharged from a hot space. The first damper has an opening adjusted under control of a controller to take in outdoor air to the first space, and is operable to have an open state in an emergency with a server being supplied with power. The second damper has an opening adjusted under control of the controller to discharge return air in the second space, outside thereof, and is operable to have an open state in the emergency. The third damper has an opening adjusted under control of the controller to recirculate return air in the second space to the first space.
    Type: Grant
    Filed: August 16, 2011
    Date of Patent: May 19, 2015
    Assignee: Kabushiki Kaisha Toshiba
    Inventors: Tomoyuki Kinoshita, Yuuichi Hanada, Hideyoshi Ootani, Yasuo Takagi, Dai Murayama, Hiroshi Morimoto, Koubun Takahashi
  • Patent number: 8961279
    Abstract: Some embodiment includes an air conditioner, an air blower, a sensor, and a controller. The air conditioner works for supply to cold spaces. The air blower produces streams of air in and between a server room and an air conditioning system. The sensor takes a measure of current or power as consumption at servers. The controller operates on the measure at the sensor, to control the air blower.
    Type: Grant
    Filed: August 19, 2011
    Date of Patent: February 24, 2015
    Assignee: Kabushiki Kaisha Toshiba
    Inventors: Yasuo Takagi, Dai Murayama, Yuuichi Hanada, Hideyoshi Ootani, Tomoyuki Kinoshita, Hiroshi Morimoto, Koubun Takahashi
  • Publication number: 20130299157
    Abstract: A system for a server room management includes an air-conditioning control device including: an acquisition unit; a setting unit that sets content for generating supply air at temperature, absolute humidity, and relative humidity within target range, based on outside air temperature and humidity as well as return air temperature; and a controller controlling amount of outside air, amount of return air, control amount of humidifier, control amount of cooler, and amount of air blown by blower, based on the content. If the outside air is within range greater than absolute humidity upper limit, or within range greater than enthalpy upper limit and greater than the temperature upper limit, the setting unit compares outside air and return air, and then determines, in accordance with the comparison, whether to set the content so that the cooler performs cooling by minimizing or maximizing the amount of the outside air.
    Type: Application
    Filed: June 15, 2012
    Publication date: November 14, 2013
    Applicant: Kabushiki Kaisha Toshiba
    Inventors: Dai Murayama, Yasuo Takagi, Hideyoshi Ootani, Tomoyuki Kinoshita, Yuuichi Hanada, Hiroshi Morimoto, Kobun Takahashi
  • Patent number: 8577649
    Abstract: There is provided an apparatus, including a first storage storing first time-series data including instruction values given to first to K-th control devices and measured values from first to K-th sensors during a first period, a model optimizer, for each of combinations of two of the control devices, generating a diagnostic model instance of a predetermined target model and obtaining an optimized diagnostic model instance in which parameters of the diagnostic mode instance are identified, a second storage storing second time-series data acquired during a second period, a calculator, for each of the optimized diagnostic model instances, calculating a determination score for each of the control devices and sensors using the first and second time-series data, and a determiner determining presence or absence of an abnormality for each of the control devices and the sensors based on each determination score.
    Type: Grant
    Filed: September 27, 2012
    Date of Patent: November 5, 2013
    Assignee: Kabushiki Kaisha Toshiba
    Inventors: Akihiro Suyama, Yuuichi Hanada
  • Publication number: 20130024172
    Abstract: There is provided an apparatus, including a first storage storing first time-series data including instruction values given to first to K-th control devices and measured values from first to K-th sensors during a first period, a model optimizer, for each of combinations of two of the control devices, generating a diagnostic model instance of a predetermined target model and obtaining an optimized diagnostic model instance in which parameters of the diagnostic mode instance are identified, a second storage storing second time-series data acquired during a second period, a calculator, for each of the optimized diagnostic model instances, calculating a determination score for each of the control devices and sensors using the first and second time-series data, and a determiner determining presence or absence of an abnormality for each of the control devices and the sensors based on each determination score.
    Type: Application
    Filed: September 27, 2012
    Publication date: January 24, 2013
    Applicant: KABUSHIKI KAISHA TOSHIBA
    Inventors: Akihiro SUYAMA, Yuuichi HANADA
  • Publication number: 20130005235
    Abstract: According to the embodiment, the air conditioning system for a server changes air conditioning control target values within a certain range when outside air and return air both have higher specific enthalpy than the target state and hence the mixed air of the outside air and the return air cannot be adjusted to air in the target state.
    Type: Application
    Filed: June 28, 2012
    Publication date: January 3, 2013
    Inventors: Hideyoshi OOTANI, Tomoyuki KINOSHITA, Yuuichi HANADA, Yasuo TAKAGI, Dai MURAYAMA, Kobun TAKAHASHI, Hiroshi MORIMOTO
  • Publication number: 20120234527
    Abstract: In accordance with embodiments, a server room managing air conditioning system includes: a first coil; a second coil; and an air supply fan. The first coil adjusts returned air of a server room to a predetermined temperature value lower than a supplied air temperature target value and dehumidifies the returned air. The second coil adjusts the returned air of the server room to a predetermined temperature value higher than the supplied air temperature target value so that the supplied air temperature target value and a supplied air humidity target value can be achieved when the returned air is mixed with air adjusted by the first coil. The air supply fan mixes the returned air and supplies the mixed returned air as the supplied air to the server room.
    Type: Application
    Filed: February 29, 2012
    Publication date: September 20, 2012
    Inventors: Dai MURAYAMA, Yasuo Takagi, Yuuichi Hanada, Hideyoshi Ootani, Tomoyuki Kinoshita, Hiroshi Morimoto, Koubun Takahashi