Patent application number | Description | Published |
20140163933 | MANUFACTURING LINE DESIGNING APPARATUS AND MANUFACTURING LINE DESIGNING METHOD - Conventional manufacturing line designing had a problem in that, when making the number of places for keeping partly-finished products (number of buffers) more appropriate in a factory layout, calculation took considerable time because a design proposal was selected through trial and error and a manufacturing line simulation was executed each time a design proposal was selected. A manufacturing line designing apparatus according to the present invention is characterized in being provided with: a production simulation execution unit that predicts future production capacity and the number of partly-finished products by simulating a manufacturing line; a buffer utilization rate calculation unit that calculates a buffer utilization rate that is the ratio of the number of buffers for each of the processes with respect to the maximum number of buffers and the average number of buffers during the simulation period; and a number-of-buffers reducing unit that reduces the number of buffers successively, starting from a process having a low buffer utilization rate, and repeats the calculation until the total number of buffers is minimized, to determine the number of buffers to be placed between the processes. | 06-12-2014 |
20140324207 | OPERATION-TIME CALCULATION DEVICE AND METHOD FOR CALCULATING OPERATION TIME - The operation-time calculation device is configured such that the following processes are performed: a process in which operation-data information, work-time information, and operation-time information are stored in a storage unit, an input unit receives from a user parameter input at least including steps to be aggregated, aggregation start time, aggregation finish time, and aggregation unit time period, and a controller sets the aggregation time period on the basis of the parameters that were input; a process for converting total work time of the steps to be aggregated in each aggregation time period and the corresponding operation time using an operation-time conversion coefficient and calculating total operation time of the steps to be aggregated in the aggregation time period; a process for calculating the differential between total work time of the aggregation time period and total operation time; and a process for changing the operation-time conversion coefficient to minimize the differential. | 10-30-2014 |
20150032497 | MANUFACTURING LINE SIMULATION DEVICE, DATA INPUT ASSISTANCE DEVICE, AND DATA INPUT ASSISTANCE METHOD - In a conventional manufacturing line simulation, there are a number of input items, and therefore, time is required for input. In addition, depending on the objective of the simulation, there are also parameters for which input is not required, and therefore, there is the problem of reducing the number of inputs according to the library. The present invention is configured to be provided with: a simulation library presentation unit which presents, to a user, a plurality of items of model libraries which are stored in a storage unit so as to receive specification of items of the model libraries from the user; a priority degree imparting unit which, with respect to the specified items of the model libraries, uses an input association table stored in the storage unit in order to calculate the priorities of the input items so as to present an input screen to the user on the basis of the calculated priorities; a simulation input receiving unit for receiving input of the input items on the user screen; and a duplicate data generation unit which, with respect to the duplicate items indicated in the input item association table, duplicates data that has been already received at the simulation input receiving unit. | 01-29-2015 |
20150081263 | PRODUCTION SIMULATION APPARATUS AND PRODUCTION SIMULATION METHOD - According to the present invention, an accurate simulation result is obtained and computation time is shortened, by parallel computation of a production simulation executed by a plurality of processors. A target product line is divided into a plurality of blocks, and event groups which can be computed in parallel while acquiring accurate simulation results are formed based on the order of execution dates and times of the events in the divided block. First, a step effect relationship which shows whether or not an event computation process in a certain step affects an event computation process in another step is acquired, based on a production line configuration such as a step order and resource sharing relationship between the steps. Next, the production line is divided into a plurality of blocks which do not affect each other by putting the steps that affect one another into a block. In a case where the earliest execution date and time of an event in a certain block is later than the earliest execution date and time of an event in another block which the certain block affects, an event group which can be computed in parallel is formed by determining that the event with the earliest execution date and time of the certain block is an event which can be computed in parallel. Lastly, the formed event group is allocated to a plurality of processors so as to be computed in parallel, and thus, computation time is shortened. | 03-19-2015 |
20150339776 | FACILITY-INVESTMENT-SCENARIO PROVIDING DEVICE AND METHOD - To provide the information showing when the production facility is to be added or changed in order to obtain a larger income, a facility-investment-scenario providing device includes a facility-investment-scenario storage unit for storing a facility investment scenario having a facility investment pattern associated with each of periods obtained by dividing a total period for producing a product by every predetermined interval, and acquires the facility investment scenario corresponding to a selecting-input-received condition from the facility-investment-scenario storage unit and displays the facility investment pattern corresponding to each of the periods based on the acquired facility investment scenario. | 11-26-2015 |
Patent application number | Description | Published |
20090018687 | PRODUCTION INSTRUCTION SYSTEM AND PRODUCTION INSTRUCTION METHOD - To create production instructions in a short period of time, in the presence of a divergence between a planned production number and the number of performance generated by variations of production volume due to variations of yield with respect to production lines of electronic device products such as a hard disk and a liquid crystal display, a product ratio of input volume to a production line (product mix) is changed by calculating the average number of performance and a standard deviation in an arbitrary period from the divergence between the planned number of production and the number of performance at the present and the production performance in the past; calculating a target achievement probability to a final target from the average number of performance, the standard deviation and the production performance at present; and comparing the target achievement probability to the final target with a threshold. | 01-15-2009 |
20110046769 | MANUFACTURING INSTRUCTION EQUIPMENT, PROGRAM, MANUFACTURING INSTRUCTION SYSTEM, AND MANUFACTURING INSTRUCTION METHOD - The present teaching is intended to observe the delivery date of a product and decrease the number of workpieces in a merger process. A treatment sequence calculator included in manufacturing instruction equipment identifies an in-process part being worked in each process, and calculates the delivery-date allowance of the in-process part. In-process parts whose delivery-date allowances fall below a predetermined threshold are inputted to each process in ascending order of delivery-date allowances. In-process parts whose delivery-date allowances are equal to or larger than the predetermined threshold are inputted to each process in ascending order by a minimum value of remaining treatment times which the in-process parts take to reach the merger process. | 02-24-2011 |
20110208556 | WORKER ASSIGNMENT DEVICE, WORKER ASSIGNMENT PROGRAM, AND WORKER ASSIGNMENT SYSTEM - The present invention provides product delivery deadline compliance and increased worker training efficiency. A worker assignment scheme creation section of a worker assignment device creates a worker assignment scheme and calculates a job completion time for each process step of each product in accordance with a worker assignment rule. An evaluation value calculation section calculates evaluation values concerning delivery deadline compliance and worker training in accordance with processing results produced by the worker assignment scheme creation section. A worker assignment priority change section changes the worker assignment rule in accordance with the evaluation values and target values therefor. The above process is repeated a number of times to produce plural worker assignment schemes, which are compared in accordance with the evaluation values concerning delivery deadline compliance and worker training. The result of comparison is eventually presented to a user. | 08-25-2011 |
20110276162 | DEVICE FOR CALCULATING STANDARD WORK TIME, SYSTEM FOR MANAGING STANDARD WORK TIME, METHOD FOR CALCULATING STANDARD WORK TIME, AND PROGRAM THEREOF - Disclosed are a device, a system, and a method for setting standard work times that take real-world manufacturing capabilities into account. Provided is a standard work time calculation device ( | 11-10-2011 |
20110295647 | MANUFACTURING PLAN DRAWING-UP SYSTEM AND METHOD - Planning items necessary for the evaluation of a manufacturing capability in a production line are categorized from process routes of operation achievement information for every ordered product, so that operation time per process unit is calculated. Thereupon the similarity of the process routes of the categorized planning items to those of an ordered product is evaluated, the planning items are allocated to the ordered product, and different product operation time is set up for every specification, so that a manufacturing capability of a production line is precisely evaluated to make a production plan. | 12-01-2011 |
20120283862 | PROCESSING PATH GENERATION METHOD AND DEVICE FOR SAME - In devices for generating a path of a tool of a processing machine by way of computer simulation, an NC program is created using a generated processing path. The NC program used to be corrected by verification of actually moving the processing machine. In contrast, the disclosed processing path generation device has been constituted to be provided with a means for calculating a closest distance and direction from a relationship of a position and posture between a tool and a work at an arbitrary point upon the processing path; a means for imparting a color determined by the closest distance and the direction calculated at the point upon the processing path; a means for panoramically displaying the color imparted to the work; and a means for correcting the relationship of the a position and posture between the tool and the work on the basis of information from a display device. | 11-08-2012 |
20130166055 | PRODUCTION SCHEDULE CREATING METHOD AND APPARATUS THEREFOR - The present invention provides a production schedule creating apparatus that acquires daily operation record for each process and changes the production sequence so as to instruct an operation in order to meet due date. A production schedule creating method plans a production schedule of a production process. The production process includes a plurality of operation processes. The production schedule creating method estimates a future status of delivery delay using a current status of the production process, performs a production simulation using a plurality of dispatching rules on a production process where the future delivery delay is estimated by the estimation, selects the most appropriate dispatching method with respect to a threshold value of a production management index of an on-time delivery rate and total overtime hours based on a result of the performed production simulation, and provides a production instruction to the production process using the selected dispatching method. | 06-27-2013 |
20150338840 | PATH INTERFERENCE AND GENERATION DEVICE AND METHOD - In devices for generating a path of a tool of a processing machine by way of computer simulation, an NC program is created using a generated processing path. The NC program used to be corrected by verification of actually moving the processing machine. In contrast, the disclosed processing path generation device has been constituted to be provided with a means for calculating a closest distance and direction from a relationship of a position and posture between a tool and a work at an arbitrary point upon the processing path; a means for imparting a color determined by the closest distance and the direction calculated at the point upon the processing path; a means for panoramically displaying the color imparted to the work; and a means for correcting the relationship of the a position and posture between the tool and the work on the basis of information from a display device. | 11-26-2015 |
Patent application number | Description | Published |
20090293828 | ENGINE WITH AN AUTOMATIC CHOKE AND METHOD OF OPERATING AN AUTOMATIC CHOKE FOR AN ENGINE - A method of controlling a choke valve of an engine with a controller is disclosed. Also disclosed is an automatic choke performing the method, an engine having the automatic choke, and an apparatus having the engine. The controller includes an electronic circuit, such as a programmable device, and is coupled to a temperature sensor and a motor. The method includes determining a temperature value using the temperature sensor, determining a time period to hold the choke valve in a first position, keeping the choke valve at the first position for the time period, moving the choke valve from the first position toward a second position using the motor, determining a count to hold the choke valve, keeping the choke valve at the second position for the count, and moving the choke valve from the second position toward a fully open position. | 12-03-2009 |
20090299614 | ENGINE WITH AN AUTOMATIC CHOKE AND METHOD OF OPERATING AN AUTOMATIC CHOKE FOR AN ENGINE - An automatic choke connectable to an engine. Also disclosed is an engine including the automatic choke, an apparatus including the engine and the automatic choke, and a method of controlling a choke valve. The automatic choke includes a motor for moving a choke valve and a controller electrically connected to the motor. In one construction, the controller is configured to store position information and a flag related to a position of the choke valve, determine the engine has, and control the automatic choke with the stored position information based on the flag and the determination that the engine has re-started. In another construction, the controller is configured to generate a motor control signal to direct the choke valve to a fully-open position without providing choke relief based on a temperature value indicating the engine temperature is greater than a threshold. | 12-03-2009 |
20120266839 | ENGINE WITH AN AUTOMATIC CHOKE AND METHOD OF OPERATING AN AUTOMATIC CHOKE FOR AN ENGINE - An engine including an automatic choke that includes a choke valve movable between a fully closed position and a fully open position, a temperature sensor coupled to the engine and operable to provide a temperature signal indicative of a temperature of the engine, and a motor connected to the choke valve and operable to move the choke valve in response to a motor control signal. A controller is electrically connected to the motor and to the temperature sensor. The controller includes an electronic circuit having a memory. A table includes engine specific choke position data stored in memory, wherein the controller determines a choke initial position based on the temperature of the engine and the choke position data, and wherein the motor moves the choke valve toward that position in response to an attempt to start the engine. | 10-25-2012 |
Patent application number | Description | Published |
20090142202 | STRUCTURE FOR MOUNTING A FILTER IN A COMPRESSOR - In a structure for mounting a filter in a compressor, a mounting member is connected to the filter. A receiving hole is formed in a housing of the compressor for receiving therein the mounting member. A first fitting portion is formed on an inner circumferential surface of a holding portion of the filter. A second fitting portion is formed on an outer circumferential surface of the mounting member for having fitting relation to the first fitting portion for an overlap distance in a radial direction of the receiving hole. When the mounting member is received in the receiving hole with the fitting relation, the filter is disposed in a fluid passage of the housing. A clearance having a dimension is formed between an outer circumferential surface of the holding portion and an inner circumferential surface of the receiving hole. Minimum value of the dimension is smaller than the overlap distance. | 06-04-2009 |
20140294632 | VARIABLE DISPLACEMENT COMPRESSOR - A variable displacement compressor includes a swash plate, a housing and a displacement control valve. The housing has a crank chamber where the swash plate is disposed, a discharge chamber and a suction chamber. The housing has plural bolt holes and is formed by separate members fastened together by plural bolts inserted through the bolt holes. The displacement control valve has a first valve member movable to connect the crank chamber and the discharge chamber, controlling the position of the first valve member to vary compressor displacement. The displacement control valve has a valve chamber and a second valve member serving to connect the crank chamber and the suction chamber in the valve chamber. The valve chamber is connected to the crank chamber by a drain passage part of which serves as the bolt hole located at the lowest of the plural bolt holes when the compressor is installed. | 10-02-2014 |
20150275885 | COMPRESSOR - A rear housing includes a first passage extending from an accommodation chamber towards a communication hole of a valve-forming plate. A cylinder block includes a connection portion to be connected to an external device, an outlet space opening towards the connection portion, and a second passage extending from the outlet space towards the communication hole of the valve-forming plate. A discharge passage includes a discharge chamber, the accommodation chamber, the first passage, the communication hole, the second passage, and the outlet space. The flow passage area of the communication hole is larger than at least one of the flow passage area of the first passage and the flow passage area of the second passage. The discharge passage can be designed with high flexibility. | 10-01-2015 |
Patent application number | Description | Published |
20130248693 | APPARATUS FOR DETECTING PARTICLES - A particle detection system is provided, including a sensing chamber having an inlet nozzle, an outlet nozzle, and an interrogation zone defined therebetween. Particles in a sampled environmental gas are prevented from escaping the interrogation zone by pressurizing the sensing chamber such that the pressure therein is higher than that in the outlet nozzle. This is accomplished by providing a source of extra gas to the sensing chamber, for example, by diverting gas from an inlet flow path directly to the sensing chamber. | 09-26-2013 |
20140340681 | PARTICLE DETECTING DEVICE AND PARTICLE DETECTING METHOD - A particle detecting device includes a frame, a chamber that is disposed within the frame, a sample injection flow path for injecting, into the chamber, a fluid that includes particles, from a first inlet opening that is provided in the frame, an adjusting mechanism that adjusts a state of the fluid within the chamber by supplying a fluid, from which the particles have been removed, into the chamber through an adjusting flow path that connects to the chamber from a second inlet opening that is separate from the first inlet opening that is provided in the frame, and a detecting mechanism that detects particles included within the fluid, by shining a light into the fluid within the chamber. | 11-20-2014 |
Patent application number | Description | Published |
20080224560 | Electric Machine and Manufacturing Process for Same - To provide an electric machine capable of being improved in both fabricability and reliability, and a process for manufacturing the machine. | 09-18-2008 |
20090002956 | Power Converter - A power converter which can attain a reliable electric connection with electrodes of a power module by facilitating positioning of conductors connected to the electrodes of the power module. The power converter includes the power module having the plurality of electrodes in the form of plate-shaped conductors within a casing having a lid, and also includes a plurality of plate-shaped conductors connected to the electrodes of the power module. Male screws are embedded in ones of the electrodes of the power module provided at least on the side of the lid to be projected therefrom, the plate-shaped conductors connected to the electrodes having the male screws are formed therein with holes at locations corresponding to the male screws, the male screws being inserted in the corresponding holes, and electrically connected with the electrodes with nuts fastened to the male screws. | 01-01-2009 |
20090127948 | ROTATING ELECTRIC MACHINE AND VEHICLE-MOUNTED ELECTRIC MACHINE SYSTEM EQUIPPED WITH THE SAME - A rotating electric machine includes a stator | 05-21-2009 |
20090179510 | Rotating Electrical Machine - A rotating electrical machine main body | 07-16-2009 |
20150303754 | Stator for Rotating Electric Machine - A new rotor for a rotating electric machine assuring outstanding durability and reliability against vibration and facilitating equalization of resistances among a plurality of rotor coils, while allowing the leading ends of a plurality of lead wires to be disposed so as to congregate in one area, is provided. A plurality of stator coils | 10-22-2015 |
Patent application number | Description | Published |
20120187847 | LED DRIVER WITH END-OF-LIFE DETECTION CIRCUITRY - An LED lighting device includes a DC/DC power converter having output terminals coupled to respective lamp sockets. A controller receives signals from a current sensor and a voltage sensor, and controls the DC/DC power converter to increase/decrease an output voltage based on a sensed output current with respect to a target value. A sensed output voltage is compared to predetermined upper and lower limit values, and the DC/DC power converter is disabled when the output voltage exceeds the predetermined upper limit value or falls below the predetermined lower limit. The controller further measures an accumulated lighting time of the device, and after the accumulated lighting time has exceeded a predetermined switching time, decreases the upper limit value monotonously or in increments as the accumulated lighting time passes. | 07-26-2012 |
20130026949 | LIGHTING DEVICE AND ILLUMINATION APPARATUS USING SAME - An LED lighting device includes: a power source unit for supplying the DC output voltage to a light-emitting diode; a control unit for adjusting the DC output voltage; and a control power source unit for supplying a control power to the control unit. The control power source unit generates the control power with the DC output voltage and has: a current-limiting resistor for limiting an electric current that flows from the power source unit to the control unit; a constant voltage unit for converting a voltage to be applied to the control unit through the current-limiting resistor unit to a constant voltage; and a switching unit for switching a resistance value of the current-limiting resistor unit among a plurality of resistance values. | 01-31-2013 |
20130154497 | LIGHTING DEVICE AND ILLUMINATION APPARATUS INCLUDING SAME - A lighting device includes a voltage conversion circuit having at least a switching element connected to a positive potential side of the output terminals of the DC power source unit, and a drive unit which outputs a drive signal to the switching element. The drive unit has a first impedance element with a first impedance which is determined based on a power consumed by the drive unit before a predetermined time has elapsed after a control power source is supplied. A control capacitor for use in generating the drive signal is charged when the switching element is turned off during an on/off operation of the switching element. The lighting device further includes a second impedance element with a second impedance having a resistance component, which is arranged in a path in which the control capacitor can be charged in DC when the switching element does not perform the on/off operation. | 06-20-2013 |
20140028196 | LIGHTING DEVICE, LIGHTING APPARATUS USING THE SAME, AND LIGHTING SYSTEM - A control unit controls an operation of an electric power conversion unit so that load current that flows through a light source load becomes a constant value, using electric power setting value that is used to determine a size of electric power that is supplied to the light source load and a current detection value that is detected by a current detection resistor (current detection unit), and a load electric power calculation unit obtains load electric power of the light source load using the electric power setting value and a voltage detection value that is detected by a voltage detection unit, and an input electric power estimation unit corrects a circuit loss for the obtained load electric power and estimates input electric power. | 01-30-2014 |
20140152182 | LIGHTING DEVICE AND LUMINAIRE INCLUDING THE SAME - A lighting device ( | 06-05-2014 |
Patent application number | Description | Published |
20130243517 | SCREW MOTION MECHANISM AND DAMPING APPARATUS USING SAME - The screw motion mechanism includes: a threaded shaft having an outer peripheral surface provided with a helical thread groove, the threaded shaft having at least one axial end coupled to a first structural body; a nut member held in a rotatable manner with respect to a second structural body which is movable in an axial direction of the threaded shaft with respect to the first structural body, the nut member being threadedly engaged with the threaded shaft; and a spherical joint for coupling the at least one axial end of the threaded shaft to the first structural body, the spherical joint including: a spherical portion; and a sphere receiving portion for housing the spherical portion. When assuming an axial force applied to the threaded shaft as a variable, a line of a rotational torque intersects with a line of a sliding torque in a graph. | 09-19-2013 |
20130267684 | METHOD FOR PREPARING AQUEOUS SOLUTION CONTAINING CULTURE MEDIUM AND CHELATING AGENT - Provided are a method for preparing a highly versatile aqueous solution having remarkably improved membrane filterability, which can be stably membrane-filtered in a short time, an aqueous solution prepared by the preparation method, a method for culturing cells using the aqueous solution which is prepared by the preparation method, a method for producing a physiologically active substance using the culturing method, a physiologically active substance produced by the method for producing a physiologically active substance, a method for performing membrane filtration of the aqueous solution which is prepared by the preparation method of the aqueous solution, a method for improving membrane filterability of the aqueous solution, and a method for producing the physiologically active substance by preparing the aqueous solution, performing membrane filtration of the aqueous solution, and then culturing cells using the resulting aqueous solution. The present invention relates to a method for preparing an aqueous solution, characterized by addition of a chelating agent. | 10-10-2013 |
20140231197 | DAMPING DEVICE - The damping device includes: a fixed cylinder that is configured to be fixed to a first structural body and formed into a cylindrical shape so as to comprise a hollow portion; a shaft member that is configured to be fixed to a second structural body, the shaft member being housed in the hollow portion of the fixed cylinder and having an outer peripheral surface provided with a helical thread groove; a nut member that is threadedly engaged with the shaft member, and converts an axial motion of the shaft member into a rotational motion; a rotor member that is formed into a cylindrical shape so as to cover the fixed cylinder and to form a cylindrical accommodation chamber between the rotor member and an outer peripheral surface of the fixed cylinder, and is rotated by the nut member; and viscous fluid that is sealed in the cylindrical accommodation chamber. | 08-21-2014 |