Patent application number | Description | Published |
20090197187 | HOLOGRAM FABRICATION PROCESS AND FABRICATED HOLOGRAM - The invention provides a hologram in which a visually unidentifiable microtext or other micropattern of the order of 10 μm is recorded, and a process for the fabrication of the same. A volume hologram recording material | 08-06-2009 |
20110120162 | PERFORMANCE EVALUATION DEVICE FOR VARIABLE-SPEED CENTRIFUGAL CHILLER - An object is to sequentially calculate planned COPs. Provided is a performance evaluation device for a variable-speed centrifugal chiller that includes a data acquisition unit that acquires operating data of the variable-speed centrifugal chiller as input data; a storage unit that stores a first arithmetic equation derived on the basis of mechanical characteristics of the chiller and used for calculating a relative load factor that relatively expresses a relationship between a current load factor at a current coolant inlet temperature and a predetermined load factor at a predetermined coolant inlet temperature set as a reference operating point, a second arithmetic equation that expresses a relationship between the relative load factor and a correction coefficient, and a third arithmetic equation used for calculating a planned COP by using the correction coefficient to correct a COP calculation equation derived from a reverse Carnot cycle; and an arithmetic unit that calculates the planned COP under current operating conditions by using the operating data acquired by the data acquisition unit in the first, second, and third arithmetic equations stored in the storage unit. | 05-26-2011 |
20110167843 | HEAT PUMP AND METHOD FOR CALCULATING HEATING-MEDIUM FLOW RATE OF HEAT PUMP - A heating-medium flow rate is obtained with sufficient accuracy even if an inexpensive flow rate sensor is used. Provided is a turbo-refrigerator including an evaporator that cools or heats a heating medium flowing from an external load, a condenser that exchanges heat with outside air or cooling water, a coolant circulation path through which a coolant is circulated between the evaporator and the condenser, and a turbo-compressor provided in the coolant circulation path, the turbo-refrigerator comprising a differential pressure sensor that measures the differential pressure between the inlet-side pressure and the outlet-side pressure of cold water in the evaporator, and a control panel storing a loss factor of the evaporator and calculating the flow rate of the cold water in the evaporator on the basis of the loss factor and the differential pressure output from the differential pressure sensor, wherein the control panel performs control using the calculated flow rate of the cold water and transmits the flow rate of the cold water to facility-side equipment. | 07-14-2011 |
20120009508 | LASER MARKING HOLOGRAM HAVING A VOLUME HOLOGRAM WITH INTERFERENCE FRINGES USING SELECTIVE IRRADIATION - The present invention is provided to enhance security of a volume hologram by recording therein individualized information such as information of character, numerical character, picture pattern, biometric matter and/or the like by irradiating laser light to the volume hologram thereby modifying the same physically or chemically, and is related to a laser marking hologram comprising a volume hologram layer | 01-12-2012 |
20120023988 | DESICCANT AIR-CONDITIONING SYSTEM - To reduce energy consumption, a desiccant air-conditioning system is provided with: an air supply channel | 02-02-2012 |
20120029889 | CENTRIFUGAL CHILLER PERFORMANCE EVALUATION SYSTEM - Design COP is iteratively computed. Provided is a centrifugal chiller performance evaluation system including a data acquisition section for acquiring operating data from a centrifugal chiller as input data; a storage section storing a design COP estimation formula obtained by adding correction values corresponding to losses occurring in an actual environment to a computational formula for ideal actual-machine COP expressed using COP characteristics of a reverse Carnot cycle; and a computing section for estimating a design COP at a current operating point using the operating data acquired by the data acquisition section and the design COP estimation formula stored in the storage section. The correction values include a first correction value calculated from a first computational formula including the load factor of the centrifugal chiller as a variable and a second correction value calculated from a second computational formula including a difference between cooling water outlet temperature and chilled water outlet temperature as a variable. The second correction value contains an offset from the first correction value depending on cooling water inlet temperature. | 02-02-2012 |
20120032070 | VOLUME HOLOGRAM RESIN COMPOSITION, SURFACE RELIEF HOLOGRAM RESIN COMPOSITION, AND HOLOGRAM LAYER, HOLOGRAM TRANSFER FOIL AND BRITTLE HOLOGRAM LABEL USING THE SAME - The major object of the invention is to provide a volume-type hologram resin composition and a surface relief-type hologram resin composition having a high effect of preventing forgery and excellent in foil cutting, as well as a hologram layer and a hologram transfer foil using thereof. To achieve the object, there is provided a volume-type hologram resin composition having at least one kind of photopolymerizable compound, a photopolymerization initiator and fine particles, wherein the fine particles show magnetic resonance. | 02-09-2012 |
20120174609 | HEAT SOURCE SYSTEM - Upon newly installing a system or installing an additional heat source apparatuses, manual adjustment of a number-of-units control device should be eliminated. Provided is a heat source system including a plurality of heat source apparatuses connected in parallel; and a number-of-units control device that controls on and off of the plurality of the heat source apparatuses and allocates a load to an active heat source apparatus according to a load demand, wherein the heat source apparatuses each possess COP map unique to the respective heat source apparatuses that indicates a relationship among operating status, coefficient of performance, and load factor, each of the heat source apparatuses sets the appropriate operating region in correspondence to the operating status from the COP map and sends it to the number-of-units control device, and the number-of-units control device performs number-of-units control of the heat source apparatus and load allocation on the basis of the appropriate operating region that is sent from each of the heat source apparatuses. | 07-12-2012 |
20130025306 | TURBO REFRIGERATION UNIT, CONTROL DEVICE THEREFOR, AND CONTROL METHOD THEREFOR - An object is to provide a turbo-refrigeration-unit control device capable of achieving stable operation and reducing the amount of refrigerant. Provided is a control device for controlling a turbo refrigeration unit that includes a centrifugal compressor, a first-non-refrigerant pump for supplying a first non-refrigerant, a condenser that performs heat exchange between the first non-refrigerant and a refrigerant, an expansion valve that expands the refrigerant, a second-non-refrigerant pump for supplying a second non-refrigerant, an evaporator that performs heat exchange between the second non-refrigerant and the refrigerant, a bypass circuit that is used to inject part of the refrigerant from a discharge port of the centrifugal compressor into a suction port of the centrifugal compressor, and a bypass-circuit control valve that controls the flow rate of the refrigerant. | 01-31-2013 |
20130031920 | APPARATUS AND METHOD FOR EVALUATING PERFORMANCE OF CENTRIFUGAL CHILLER - A calculating section | 02-07-2013 |
20130098084 | CHILLER CONTROL APPARATUS - A chiller control apparatus increases or decreases chillers in order to efficiently operate an entire chiller system. When the number of chillers increases, an insufficient load value calculation unit calculates an insufficient amount of a load for a required load. Then, using a COP obtained according to an operating environment of the chiller, a chiller-to-be-operated selection unit selects, from among stopped chillers, a chiller having the highest COP when operated with an insufficient amount of a load, as the chiller to be subjected to stage increase. Further, when the number of chillers decreases, an operation pattern extraction unit extracts operation patterns that are combinations of chillers to be operated according to the required load. Then, a chiller-to-be-stopped selection unit obtains a COP of the entire chiller system for each operation pattern, using the COP obtained according to the operating environment of the chiller, and selects a chiller subjected to stage decrease based on the operation pattern corresponding to the highest COP. | 04-25-2013 |
20130111940 | HEAT AND COLD SOURCES OF TEMPERATURE AND HUMIDITY INDEPENDENT CONTROL AIR CONDITIONING SYSTEM - The present invention discloses heat and cold sources of a THIC air conditioning system, comprising: a compressor ( | 05-09-2013 |
20130133359 | TURBO CHILLER - In a turbo chiller, pipe joint groups ( | 05-30-2013 |
20130174601 | ESTIMATION APPARATUS OF HEAT TRANSFER MEDIUM FLOW RATE, HEAT SOURCE MACHINE, AND ESTIMATION METHOD OF HEAT TRANSFER MEDIUM FLOW RATE - A flow rate of a heat transfer medium is computed without a flow meter. In a control apparatus ( | 07-11-2013 |
20130180272 | EXPANSION-VALVE CONTROL DEVICE, HEAT-SOURCE UNIT, AND EXPANSION-VALVE CONTROL METHOD - The degree-of-opening of an expansion valve is set to an appropriate degree-of-opening regardless of the load and external conditions for a heat-source unit. In a turbo refrigerator including a compressor that compresses a refrigerant; a condenser that condenses a compressed refrigerant by means of cooling water; an evaporator that evaporates a condensed refrigerant and also performs heat exchange between this refrigerant and cold water; and an expansion valve that causes a liquid-phase refrigerant retained in the condenser to expand, a expansion-valve control device ( | 07-18-2013 |
20130213067 | HEAT SOURCE DEVICE - A heat source device is provided with a differential pressure sensor that measures the differential pressure between an inlet pressure and an outlet pressure for the chilled water in an evaporator and with a control device. The control device possesses the coefficient of loss for the evaporator and is provided with a chilled-water flow-rate computing portion that calculates a chilled-water flow rate at the evaporator on the basis of the coefficient of loss and the differential pressure output from the differential pressure sensor; a control-command computing portion that generates a control command by using a specification heating-medium flow rate that is set in advance; and a control-command correcting portion that corrects the control command generated by the control-command computing portion. | 08-22-2013 |
20130238258 | ESTIMATION APPARATUS OF HEAT TRANSFER MEDIUM FLOW RATE, HEAT SOURCE MACHINE, AND ESTIMATION METHOD OF HEAT TRANSFER MEDIUM FLOW RATE - A required-circulated-refrigerant flow-rate calculating portion provided in a chilled-water flow-rate estimation calculation portion calculates an evaporator exchanged heat quantity exchanged between a refrigerant and chilled water at an evaporator based on a planned chilled-water-flow-rate value and a measured value of the temperature of the chilled water flowing in the evaporator, and calculates an evaporator-refrigerant flow rate based on that evaporator exchanged heat quantity. Then, a circulated-chilled-water flow-rate back-calculating portion back-calculates an evaporator-refrigerant flow rate based on the calculated evaporator-refrigerant flow rate and a ratio between a set value of differential pressure between a condenser and the evaporator and a measured value of that differential pressure, back-calculates an evaporator exchanged heat quantity exchanged between the refrigerant and the chilled water at the evaporator from the back-calculated evaporator-refrigerant flow rate, and back-calculates the flow rate of the chilled water. | 09-12-2013 |
20130330679 | HEAT-SOURCE SELECTING DEVICE FOR HEAT SOURCE SYSTEM, METHOD THEREOF, AND HEAT SOURCE SYSTEM - A heat source system has a plurality of heat sources that can be utilized therein. The plurality of heat sources include unused heat such as sewage and wastewater generated in a facility in which an external load that receives a supply of heating medium heated or cooled by using the heat sources is installed. A system control device ( | 12-12-2013 |
20140153041 | RECORDING SYSTEM, RECORDING APPARATUS, INFORMATION PROCESSING APPARATUS, AND RECORDING CONTROL METHOD - A recording system, including: a recording apparatus configured to perform recording using a recording head having a plurality of recording elements; and an information processing apparatus configured to send a print job to the recording apparatus to shift a range of use of the recording elements in an array direction of the recording elements, the information processing apparatus including: a head shading correction unit configured to execute, based on information indicating that the range of use of the recording elements is one of ranges of use, head shading correction corresponding to the one range on image data; and a sending unit configured to send the image data subjected to the head shading correction to the recording apparatus, the recording apparatus including a recording control unit configured to control the recording head to perform recording at the one range by using the image data subjected to the head shading correction. | 06-05-2014 |
20140222259 | SPEED PROFILE CREATION DEVICE AND AUTOMATIC TRAIN OPERATION APPARATUS - A speed profile creation device includes: a traveling simulator that creates, from a traveling instruction, a speed profile of allowing the train to travel through a traveling section together with a traveling time and energy consumption amount thereof by using a route condition, train performance, and a traveling condition; a traveling instruction draft creator that creates a plurality of traveling instruction drafts in which a reference speed profile is changed so that the energy consumption amount can decrease though the traveling time is lengthened a little; an optimum speed profile selector that selects an optimum speed profile in which an energy consumption amount reduction effect is maximum among the plurality of traveling instruction drafts; and a reference speed profile updating unit that updates the reference speed profile until the traveling time of the optimum speed profile becomes equivalent to the target traveling time. | 08-07-2014 |
20140277858 | SYSTEM AND METHOD FOR OPTIMIZING ENERGY CONSUMPTION IN RAILWAY SYSTEMS - A method optimizes energy consumption in a railway system including a set of trains and a set of substations connected to a grid. The method optimizes control parameters controlling at least part of the energy consumption of the railway system to produce optimized control parameters minimizing a total power provided by the grid to satisfy a power demand of the railway system. The optimizing is subject to constraints on operations of the railway system, which include as complementarity constraint. Next, the method generates a command to control the energy consumption of the railway system based on the optimized control parameters. | 09-18-2014 |
20140277861 | System and Method for Optimizing Energy Consumption in Railway Systems with Energy Storage Devices - A system and method optimizes energy consumption in a railway system including a set of trains, a set of energy storage devices, and a set of substations connected to a grid by first optimizing control parameters controlling at least part of the energy consumption of the railway system to produce optimized control parameters. The optimized control parameters minimize, over multiple time steps, a combination of total power provided by the grid to satisfy a power demand of the railway system, a state-of-charge of each energy storage device, power supplied to charge the energy storage device and power supplied by the energy storage device. The optimizing is subject to constraints on operations of the railway system over multiple time steps. The constraints include a complementarity constraint. A command is generated to control the energy consumption of the railway system based on the optimized control parameters. | 09-18-2014 |
20140374497 | HEAT SOURCE SYSTEM, CONTROL DEVICE THEREOF, AND CONTROL METHOD THEREOF - A technique of suppressing power consumption of a system so as to be equal to or less than contracted power when a refrigerator is used as a heat source is provided. A system control device ( | 12-25-2014 |
20150027838 | DC FEEDER VOLTAGE CONTROL APPARATUS AND DC FEEDER VOLTAGE CONTROL SYSTEM - A DC feeder voltage control apparatus includes a model-information storing unit storing train model information on each train running in a control section, substation model information on each substation, and feeding network model information in the control section, a fixed-voltage-value storing unit storing a fixed voltage value of a substation voltage set for each substation, a train-operation-state-information acquiring unit acquiring positions and operation state information on the trains running in the control section, a first-substation-voltage fixing unit outputting the fixed voltage value to two first substations located at both ends of the control section, and a second-substation-voltage calculating unit calculating a setting voltage value of the substation voltage in at least one second substation located between the two first substations based on the information, and substation voltages and substation currents of the first substations to output to the second substation. | 01-29-2015 |