Patent application number | Description | Published |
20080302505 | Evaporative cooling system - The evaporative cooling system comprises: evaporative cooling modules, a liquid supply system which comprises a liquid supply pump and a tube, and which supplies a refrigerant liquid to the evaporative cooling modules; an air supply system which comprises air supply tubes, and which supplies warm air to the evaporative cooling modules; an exhaust system which comprises an exhaust pump and a tube, and which exhausts air containing a refrigerant vapor from the evaporative cooling modules; a reflux system which comprises a primary heat exchanger and a reflux tube, and which condenses the refrigerant vapor to return the condensed refrigerant liquid to the liquid supply system; and a heat exhaust system which comprises a secondary heat exchanger and tubes, and which discharges heat absorbed from the primary heat exchanger. | 12-11-2008 |
20090000332 | Electronic Equipment Cooling System - An electronic equipment cooling system of the invention comprises: a heat receiver; a closed refrigerant circulation path (including: the heat receiver; a refrigerant condenser; a refrigerant pump; and a refrigerant tank); and a closed gas circulation path (including: the heat receiver; the refrigerant condenser; and a blower). The heat receiver includes: a heat receiver base contacting a heat generating component; a box; a gas flow space surrounded by the heat receiver base and box; a refrigerant inlet through which a liquid refrigerant dribbles down along an internal surface of the heat receiver base; a liquid refrigerant spreader used for spreading the liquid refrigerant thereacross and having a mesh portion with an opening for passing a vapor of the refrigerant into the gas flow space; a gas inlet through which a gas is fed from the blower; and a gas outlet for venting the gas containing the vapor of the refrigerant. | 01-01-2009 |
20090154104 | Cooling Device and Electronic Apparatus Using the Same - It is an object to provide a cooling device for optimally cooling a semiconductor device on a CPU blade which is detachable with respect to an electronic apparatus using the cooling device with compact structure for reducing power consumption. A cooling device for cooling a semiconductor device disposed on an electronic circuit substrate in a casing of an electronic apparatus, comprising a first cooling unit comprising a first heat absorbing portion and a first heat releasing portion, and a second cooling unit comprising a second heat absorbing portion and a second heat releasing portion, wherein the first heat absorbing portion is disposed in contact with the semiconductor device, the second heat absorbing portion is detachably disposed in contact with the first heat releasing portion, a phase-change refrigerant is contained in the first cooling unit, and the second heat releasing portion is disposed outside the casing. | 06-18-2009 |
20090259345 | OPERATIONS MANAGEMENT METHODS AND DEVICES THEREOF IN INFORMATION-PROCESSING SYSTEMS - Total power consumption of information-processing devices and power supply/cooling facilities is reduced to realize energy saving operation of information-processing system. The information-processing system includes information-processing devices, power supply facilities, cooling facilities and an operations management device. The operations management device is connected to the devices and the facilities and includes layout information constituted of locations and operating information of the devices and locations and environmental information of the facilities. Also, the operations management device obtains the power consumption of the devices, the power supply loss of the power supply facilities and the cooling power of the cooling facilities by using the layout information, and then allocates the workloads to the devices so as to reduce the total sum of power consumption, supply loss and cooling power. | 10-15-2009 |
20090327778 | INFORMATION PROCESSING SYSTEM AND POWER-SAVE CONTROL METHOD FOR USE IN THE SYSTEM - A technique for determining task allocation for reducing power consumption of an entire system is disclosed. This system includes physical computers, a cooling apparatus for cooling the physical computers, and a power-saving control server for controlling the physical computers and cooling apparatus. The power-saving control server includes a virtual server layout generator which sets up a plurality of sets of task allocations with respect to the physical computers, a server power calculator for calculating power consumption of the physical computers in each task allocation, a physical computer profile used to estimate a heat release amount of the physical computers in each task allocation, a cooling power calculator which computes power consumption of the cooling apparatus, and a virtual server relocator which determines a task allocation with a total of calculated values of the server/cooling power calculators being minimized to be the optimum task allocation for the physical computers. | 12-31-2009 |
20100076608 | SYSTEM AND METHOD FOR CONTROLLING AIR CONDITIONING FACILITIES, AND SYSTEM AND METHOD FOR POWER MANAGEMENT OF COMPUTER ROOM - The present invention relates to a system and method for controlling air conditioning facilities, and a system and method for power management of a computer room. In an air-conditioning facility control system of a computer room (cooling room) equipped with air-conditioning facilities for air-cooling the computer room in which a large number of information processing units are installed, an air-conditioner monitoring and controlling unit calculates a temperature sensitivity coefficient of each information processing unit, and that of each air conditioner, and then determines discharge air temperature of each air conditioner by use of the temperature sensitivity coefficients in such a manner that the sum of squares of a deviation of a change in discharge air temperature of each information processing unit becomes the smallest, and in such a manner that the sum total of the power consumption of the individual air conditioners becomes the smallest. Moreover, a calorific value of each information processing unit is determined in such a manner that the sum total of the power consumption of the individual air conditioners becomes the smallest. The air-conditioner monitoring and controlling unit instructs each individual air conditioner to adjust the discharge air temperature thereof to the calculated value. Next, the information-processing-unit monitoring and controlling unit assigns a job (load) to each information processing unit on the basis of the calorific value of each information processing unit. | 03-25-2010 |
20100106988 | CONTROL METHOD WITH MANAGEMENT SERVER APPARATUS FOR STORAGE DEVICE AND AIR CONDITIONER AND STORAGE SYSTEM - To provide a system that can reduce the power consumption of an air conditioner and the power consumption of a storage device. A control method with a management server apparatus for a plurality of storage devices and an air conditioner includes calculating plural combinations of allocating the work amount to the plurality of storage devices, calculating the heating value of each storage device included in the plurality of storage devices for each of the plural combinations, calculating the quantity of heat conducted to the air conditioner, based on the heating value and positional information of the plurality of storage devices and the air conditioner, calculating the power consumption to cool the quantity of heat conducted to the air conditioner, selecting a combination included in the plural combinations based on the power consumption of the air conditioner, and issuing a move instruction of moving the data stored in a first storage device to a second storage device to the plurality of storage devices, based on the selected combination. | 04-29-2010 |
20110113273 | OPERATION MANAGEMENT METHOD OF INFORMATION PROCESSING SYSTEM - In a computer room including information processing devices and air conditioners, power saving of the computer room by means of optimization of workload allocation to the information processing devices is achieved in a short time. There, a coefficient of air conditioner performance with respect to the information processing device (device-specific COP) is calculated for each air conditioner. Further, a device-associated power consumption expression representing a total of device power and air conditioner power is created for each information processing device. Also, power consumption of the entire computer room is calculated from the device-associated power consumption expression of the information processing devices. Also, workload allocation is determined by using power saving performance evaluation indexes based on the device-associated power consumption expression of the information processing devices. Further, output of the air conditioner is controlled based on a result of the air conditioner power calculation. | 05-12-2011 |
20110126206 | OPERATIONS MANAGEMENT APPARATUS OF INFORMATION-PROCESSING SYSTEM - Information processing equipment and power/cooling facilities are managed together for power savings without degrading system processing performance. An operations management apparatus | 05-26-2011 |
20120120875 | DATA TRANSMISSION METHOD FOR A MOBILE COMMUNICATION SYSTEM - This invention provides a mobile communication system which expanded the operation limitation of the heretofore adopted mobile communication systems and improved the spectrum efficiency greatly. A data transmission method for use in the mobile communication system of the present invention includes means for channel pluralizing by which to expand the Shannon limit and means for interference reduction by which to expand the interference limit. More specifically, a transmitting module comprises M units of modulators and L units of transmitting antennas, generates L units of signals by multiplying M units of modulated signals by a complex matrix consisting of M×L units of elements, and transmits the L units of signals from the L units of transmitting antennas. | 05-17-2012 |
20120198253 | Operational Management Method for Information Processing System and Information Processing System - In an information processing system comprising an information processing equipment group and a facility equipment group, both an increase in performance and a reduction in power consumption are obtained, thereby achieving an efficient and flexible operational management. The plurality of information processing equipments are divided into a plurality of groups, each of which includes power feed equipments and cooling equipments. The operation management method for the information processing system includes: a procedure for acquiring, from each of the groups, operating information indicating the performances and the power consumptions of the information processing equipments, the power feed equipments, and the cooling equipments included in each of the groups; and another procedure for controlling, based on the operating information, the information processing equipments, the power feed equipments, and the cooling equipments included in each of the groups so that the performances with respect to the power consumptions become large. | 08-02-2012 |
20130111492 | Information Processing System, and Its Power-Saving Control Method and Device | 05-02-2013 |
20130239112 | INFORMATION PROCESSING SYSTEM - It is an object of the invention to provide an information processing system which achieves efficient physical resource allocation to a virtual resource. An information processing system of the invention includes a plurality of physical resources mutually connected over a network, and an operating management computer which manages a virtual resource into which a plurality of physical resources are logically aggregated. The information processing system determines physical resources to be logically aggregated into and be allocated to a virtual resource on the basis of a resource usage amount of a workload to be processed by the information processing system and configuration information on the plurality of physical resources. | 09-12-2013 |
20140105323 | DATA TRANSMISSION METHOD FOR A MOBILE COMMUNICATION SYSTEM - This invention provides a mobile communication system which expanded the operation limitation of the heretofore adopted mobile communication systems and improved the spectrum efficiency greatly. A data transmission method for use in the mobile communication system of the present invention includes means for channel pluralizing by which to expand the Shannon limit and means for interference reduction by which to expand the interference limit. More specifically, a transmitting module comprises M units of modulators and L units of transmitting antennas, generates L units of signals by multiplying M units of modulated signals by a complex matrix consisting of M×L units of elements, and transmits the L units of signals from the L units of transmitting antennas. | 04-17-2014 |