Patent application number | Description | Published |
20100230133 | Multilayer Insulated Electric Wire - A multilayer insulated electric wire includes a conductor and three or more insulating layers covering the conductor. In the multilayer insulated electric wire, the outermost layer (A) of the insulating layers includes a coating layer formed of a resin composition of a polyamide resin containing copper iodide, and the innermost layer (B) of the insulating layers includes a coating layer formed of a resin composition of 100 parts by mass of a polyester-based resin (B1), all or a part of which is formed of an aliphatic alcohol component bonded with an acid component, and 5 to 40 parts by mass of an ethylene-based copolymer (B2) having side chains of a carboxylic acid or a metal salt of a carboxylic acid. | 09-16-2010 |
20110174520 | INSULATED ELECTRIC WIRE - Disclosed is an insulated electric wire having a conductor and one or more insulating layers covering the conductor, the insulated electric wire comprising a polyester-based resin composition which constitutes at least one layer of the insulating layers and comprises a polyester-based resin (A) containing a liquid crystal polymer in an amount of 5-25 parts by mass relative to 75-95 parts by mass of a polyester-based resin other than liquid crystal polymers. | 07-21-2011 |
20120189257 | OPTICAL FIBER, OPTICAL FIBER RIBBON AND OPTICAL FIBER CABLE - According to the present invention, there is provided an optical fiber, an optical fiber ribbon and an optical fiber cable that reduce both the increase in transmission loss and the decrease in strength. According to an embodiment of the present invention, there is provided an optical fiber in which an outer circumferential surface of an optical fiber is coated with a primary coating layer. In the optical fiber, the primary coating layer includes a ultraviolet curable resin, and the ultraviolet curable resin contains 0.05 or more and 0.75 or less parts by weight of a reactive silane coupling agent and 0.05 or more and 0.75 or less parts by weight of an unreactive silane coupling agent. | 07-26-2012 |
20130172438 | THERMOPLASTIC RESIN FOAM, METHOD OF PRODUCING THE SAME, AND LIGHT REFLECTING MATERIAL THEREOF | 07-04-2013 |
20130287625 | ULTRA-FINE CEMENTED CARBIDE Ni BINDER PHASE AND TOOL USING THE SAME - Provided is a high hardness ultra-fine cemented carbide with a Ni binder phase for a wear resistant tool. An ultra-fine cemented carbide having high specularity and/or high strength, high hardness, and high wear resistance is obtained by using an ultra-fine raw powder of WC, controlling the amount of Ni, and the contents of V and Cr, so that a third phase containing V and Cr precipitates in a microstructure of the cemented carbide in a finely dispersed state, and at the same time, the size of Ni pool is controlled to a value equal to or less than the average grain size of WC. By using this cemented carbide, the range of application to an aspherical glass lens mold, an ultrahigh pressure generation container for neutron diffraction experiment, a non-ferromagnetic corrosion resistant and wear resistant tool, and the like is expanded. | 10-31-2013 |
20140301704 | COLORED OPTICAL FIBER, OPTICAL FIBER RIBBON AND OPTICAL FIBER CABLE - A colored optical fiber including a glass optical fiber; a primary coating layer that covers the glass optical fiber; a secondary coating layer that covers the primary coating layer; and a colored layer that coats the secondary coating layer. The relaxation modulus after 24 hours at 60° C. of of the layers coated is 140 MPa or less. | 10-09-2014 |
20140321060 | Cu-Diamond Based Solid Phase Sintered Body Having Excellent Heat Resistance, Heat Sink Using The Same, Electronic Device Using The Heat Sink, And Method For Producing Cu-Diamond Based Solid Phase Sintered Body Having Excellent Heat Resistance - An inexpensive Cu-diamond based composite material having excellent heat conductivity and heat resistance. Conventionally, an infiltration method does not provide a Cu-diamond based composite material having high heat conductivity; an ultrahigh pressure method is expensive; and electric current pressure sintering provides relatively high heat conductivity, a low cost, but insufficient heat resistance. A Cu-diamond based solid phase sintered body contains 2 vol % or more and 6 vol % or less of Cr, and 30 vol % or more and 80 vol % or less of diamond particles containing 20 vol % or more of a high crystallinity diamond component. | 10-30-2014 |
Patent application number | Description | Published |
20080306845 | CHARGE MANAGING SYSTEM, IMAGE FORMING APPARATUS, CHARGE MANAGING SERVER, AND IMAGE FORMING METHOD - A charge managing system including an image forming apparatus and a charge managing server is provided. The image forming apparatus includes plural applications each configured for executing a specific process on input data, a counter unit that counts a number of result items output as a result of executing at least one of the applications, a count value storage unit that stores a count value corresponding to the number of result items counted by the counter unit, and a storage area setting unit that secures a plurality of storage areas within the count value storage unit each of which storage areas is configured for storing a corresponding count value obtained for each of the applications. The charge managing server manages charging a fee for using the image forming apparatus based on the corresponding count value stored in each of the storage areas secured for each of the applications. | 12-11-2008 |
20100141050 | SWITCHING CONTROL SYSTEM OF CIRCUIT BREAKER - A switching control system of circuit breaker is provided, which can easily connect with such an external equipment as a PC, both at the work site and remote side, without using dedicated software, and can implement efficient maintenance and data collection. The system comprises: one or more switching control units of circuit breaker | 06-10-2010 |
20100141235 | MAGNETIZING INRUSH CURRENT SUPPRESSION DEVICE AND METHOD FOR TRANSFORMER - To suppress the magnetizing inrush current occurring when supplying power of three phases of the transformer are performed simultaneously using three single-phase circuit breakers or a non-phase segregated operation-type circuit breaker, without providing a circuit breaker with a resistor or other equipment. A magnetizing inrush current suppression method for transformer suppresses a magnetizing inrush current occurring at the start of energizing of a three-phase transformer | 06-10-2010 |
20100187916 | MAGNETIC FLUX MEASURING DEVICE AND MAGNETIC FLUX MEASURING METHOD FOR STATIONARY INDUCTION ELECTRICAL APPARATUS, AND SYNCHRONOUS SWITCHING CONTROL GEAR FOR CIRCUIT BREAKER - The present invention provides a magnetic flux measuring device and magnetic flux measuring method for stationary induction electrical apparatus which can accurately measure the magnetic flux without being influenced by the DC offset component which superimposes on the measurement system, and can constantly and continuously measure the magnetic flux without setting a limit in the magnetic flux measurement period. The magnetic flux measuring method which measures a magnetic flux of a stationary induction electrical apparatus | 07-29-2010 |
20100200383 | SWITCHING CONTROLGEAR OF CIRCUIT BREAKER - A switching controlgear of circuit breaker | 08-12-2010 |
20120166361 | CHARGE MANAGING SYSTEM, IMAGE FORMING APPARATUS, CHARGE MANAGING SERVER, AND IMAGE FORMING METHOD - A charge managing system including an image forming apparatus and a charge managing server is provided. The image forming apparatus includes plural applications each configured for executing a specific process on input data, a counter unit that counts a number of result items output as a result of executing at least one of the applications, a count value storage unit that stores a count value corresponding to the number of result items counted by the counter unit, and a storage area setting unit that secures a plurality of storage areas within the count value storage unit each of which storage areas is configured for storing a corresponding count value obtained for each of the applications. The charge managing server manages charging a fee for using the image forming apparatus based on the corresponding count value stored in each of the storage areas secured for each of the applications. | 06-28-2012 |
Patent application number | Description | Published |
20100039737 | MAGNETIZING INRUSH CURRENT SUPPRESSION DEVICE FOR TRANSFORMER AND CONTROL METHOD OF SAME - To provide a magnetizing inrush current suppression device for transformer and control method of same, which accurately calculates the residual magnetic flux when a transformer installed in a non-solidly earthed system, is interrupted by circuit breakers, and which enables suppression of the magnetizing inrush current occurring when three single-phase circuit breakers or single-phase circuit breakers are used for simultaneously supplying power to three phases of the transformer, without providing a circuit breaker with a resistor or other equipment to enlarge the circuit breaker. The device has steady-state magnetic flux calculation means for calculating the line-to-line steady-state magnetic flux of three-phase power supplies, residual magnetic flux calculation means for calculating the primary line-to-line residual magnetic flux of the transformer when the circuit breakers interrupt the transformer, phase detection means for detecting a phase at which the polarity and magnitude of the calculated steady-state magnetic flux and residual magnetic flux coincide for each line-to-line. Closing control means firstly causes only two-phase of the circuit breakers, which are connected with the line-to-line, to close at the detected phase, and then causes the remaining one-phase circuit breaker to close. | 02-18-2010 |
20100110600 | SWITCHING CONTROLLER AND SWITCHING CONTROL SYSTEM FOR CIRCUIT BREAKER - The MPU for switching control arithmetic operation | 05-06-2010 |
20150055266 | MAGNETIZING INRUSH CURRENT SUPPRESSION DEVICE - According to one embodiment, a magnetizing inrush current suppressing device is configured to measure a three-phase alternating current flowing from the power supply bus to the load, detect a first interruption phase as a phase of an electric current which is interrupted first among the three phases, detect a phase of a phase voltage zero point through which a phase voltage of the first interruption phase of the three-phase AC voltage passes when changing from the same polarity as that of an electric current immediately before interruption of the first interruption phase to an opposite polarity, and close the circuit-breaker at a phase within 60° from the detected phase. | 02-26-2015 |
20150085404 | MAGNETIZING INRUSH CURRENT SUPPRESSING DEVICE - According to one embodiment, a magnetizing inrush current suppressing device includes, a first closing unit closes the circuit-breaker at the notable phase by the first phase determined by the first-phase determination unit, a second-phase determination unit determines a second phase at which the notable phase detected by the notable phase detection unit from the three-phase AC voltage measured by the power-supply-side voltage measurement unit becomes a zero point after the first phase determined by the first-phase determination unit, and a second closing unit closes the circuit-breaker at two phases other than the notable phase by the second phase determined by the second-phase determination unit. | 03-26-2015 |
Patent application number | Description | Published |
20110181989 | TRANSFORMER INRUSH CURRENT SUPPRESSION APPARATUS - Inrush current suppression apparatus for suppressing a transformer inrush current including a transformer side voltage measurement unit which measures a voltage at a side of a transformer, a residual magnetic flux calculation unit which calculates three line-to-line residual magnetic fluxes, a power supply side voltage measurement unit which measures a voltage at a side of a power supply, a stable-state magnetic flux calculation unit which calculates three line-to-line stable-state magnetic fluxes, based on the voltage at the side of the power supply, a phase determination unit which determines a phase in which phases of the three line-to-line stable-state magnetic fluxes are respectively the same in polarity as phases of the three line-to-line residual magnetic fluxes, and a closing unit which closes the circuit breaker in the phase determined by the phase determination unit. | 07-28-2011 |
20140016235 | INRUSH CURRENT SUPPRESSION APPARATUS - According to one embodiment, there is provided an inrush current suppression apparatus that suppresses an inrush current generated when shunt capacitors are connected to a power system. The apparatus includes a power supply voltage measurement unit measuring a power supply voltage, a circuit breaker current measurement unit measuring a circuit breaker current, a residual voltage polarity determination unit determining the polarities of three phases of a residual voltage, a specific phase determination unit determining a specific phase, a closing phase detector detecting a closing phase, and a circuit breaker closing unit closing the circuit breaker in the closing phase. | 01-16-2014 |
20140168846 | EXCITATION INRUSH-CURRENT SUPPRESSION SYSTEM - According to an embodiment, when a transformer that is connected to a first power supply through a first breaker as well as to a second power supply through a second breaker is detected to be disconnected from the power supplies, a specific phase of the three phases of the first breaker is closed to suppress an excitation inrush current, based on calculated residual magnetic fluxes and a voltage of the first power supply, and thereafter, the remaining two phases are closed. Based on the calculated residual magnetic fluxes and a voltage of the second power supply, a specific phase of the three phases of the second breaker is closed to suppress an excitation inrush current, and thereafter, the remaining two phases are closed. | 06-19-2014 |
20140192443 | MAGNETIZING INRUSH CURRENT SUPPRESSION DEVICE - According to one embodiment, there is provided a magnetizing inrush current suppression device. A closing phase determination unit determines a phase position for suppressing the magnetizing inrush current among phase positions in which the prospective magnetic flux calculated by the prospective magnetic flux calculation unit and the residual magnetic flux calculated by the residual magnetic flux calculation unit coincide between the lines of the minimum residual magnetic flux determined by the minimum residual magnetic flux determination unit, as a closing phase position. A closing unit simultaneously closes the three phases of the circuit-breaker at the determined closing phase position. | 07-10-2014 |