Patent application number | Description | Published |
20080315895 | TEST METHOD AND APPARATUS FOR SPARK PLUG INSULATOR - There is provided a test method for detecting the presence or absence of a defect in a spark plug insulator, including a reference voltage determination process, a test area determination process, a test voltage determination process and a current detection process. In the reference voltage determination process, a reference voltage V | 12-25-2008 |
20120080996 | SPARK PLUG - A task of this invention is to provide a spark plug that is superior in withstand voltage characteristics at high temperatures. A spark plug of this invention is equipped with a center electrode, an insulator, and a metal shell, and is characterized by that the insulator is equipped with an alumina-based sintered body containing silicon component (Si component), magnesium component (Mg component), at least one component of calcium component, strontium component, and barium component, and a rare earth element component (RE component), that a grain boundary phase of the alumina-based sintered body has a hexaaluminate crystal containing the RE component, that, in the alumina-based sintered body, the weight ratio of the RE component to the Mg component is 5.4≦RE oxide/MgO≦17.5, and that the content of an alkali metal component in terms of oxide in a spot having a diameter of 0.3 nm, where the hexaaluminate crystal or the hexaaluminate crystal and Si component in the grain boundary phase is present by TEM, ranges from 0.01 weight % to 20 weight %. | 04-05-2012 |
20120176022 | SPARK PLUG - To provide a spark plug excellent in the acid resistance and high-temperature withstand voltage characteristics. A spark plug | 07-12-2012 |
20120187819 | SPARK PLUG AND PROCESS FOR PRODUCING SPARK PLUG - A spark plug which exhibits high dielectric strength at high temperature and which is unlikely to be deteriorated in dielectric strength is provided. The spark plug includes a center electrode, an insulator, and a metallic shell. The insulator includes an alumina-based sintered body which contains a silicon component, a Group II element component, and a rare earth element component. The alumina-based sintered body is composed of a glass phase and an alumina crystal phase as observed through X-ray diffraction analysis. When the grain boundary phase of the alumina-based sintered body is observed under a transmission electron microscope, and the weight ratio between an alkali metal component and the rare earth element component as reduced to oxides thereof [alkali metal/rare earth element] is calculated at 30 circular spots, each having a diameter of 0.3 nm, selected arbitrarily in a field of observation, the average of the weight ratios of the 30 spots falls within a range of 0.01 to 1.0. | 07-26-2012 |
20120262049 | SPARK PLUG AND PROCESS FOR PRODUCING SPARK PLUG - A spark plug that is equipped with an insulator that has a stem portion on a front end side, a center electrode, and a main metal member that retains the insulator at an engaging projection portion, wherein an inner diameter D | 10-18-2012 |
20120319556 | SPARK PLUG AND METHOD FOR MANUFACTURING SPARK PLUG - The present invention relates to a spark plug having good combustible-gas ignitability even when the spark plug is downsized and to a method for high-yield manufacturing of a spark plug with good combustible-gas ignitability. There is provided according to one aspect of the present invention a spark plug | 12-20-2012 |
20140091707 | IGNITION PLUG - An ignition plug, wherein, when a relative density of a portion of an insulator, which is positioned between a radial virtual plane including a front end of the insulator and a radial virtual plane including a front end of a portion of the insulator which is in contact with a metal shell or the plate packing, is referred to as A (%), and a relative density of a portion of the insulator, which is positioned between the radial virtual plane including the front end of the portion of the insulator which is in contact with the metal shell or the plate packing and a radial virtual plane including a center of a resistor in an axial direction, is referred to as B (%), the following equations are satisfied: 93.90≦A, and 0.10≦A−B≦0.90. | 04-03-2014 |
20150047880 | SPARK PLUG - A spark plug exhibiting excellent withstand voltage characteristics and mechanical strength at high temperature, which are comparable to those at ambient temperature. The spark plug having an insulator formed of an alumina-based sintered material containing: an Al component, an Si component, a Group 2 element component, and a rare earth element component. The amounts of such components satisfy a condition (1): 0.25≦ oxide-reduced amount (mass %) of the Si component ≦1.25, and a condition (2): 1.35≦[(oxide-reduced amount of the Si component)/((oxide-reduced amount of the Group 2 element component)/(oxide-reduced amount of the rare earth element component))]≦7.5. The alumina-based sintered material includes alumina grains, and a glass phase including a crystal phase that satisfies a condition (3) that the crystal phase includes at least one of an aluminate crystal phase and a silicate crystal phase, each having a grain size of 20 to 350 nm. | 02-19-2015 |
Patent application number | Description | Published |
20120007489 | SPARK PLUG - A spark plug exhibits a satisfactory withstand voltage characteristic and sufficient mechanical strength in a high temperature environment exceeding 700° C. The spark plug has a center electrode, an insulator, and a ground electrode, characterized in that the insulator is formed of an alumina-based sintered material containing an Si component, a Group 2 element (2A) component, and a rare earth element (RE) component; that the alumina-based sintered material has an RE-β-alumina crystal phase; and that the mean crystal grain size D | 01-12-2012 |
20140167595 | IGNITION PLUG - An ignition plug includes a ceramic insulator having an axial bore, a metallic shell, and a terminal electrode. The terminal electrode has a leg portion inserted into a rear side of the axial bore, and a head portion formed on a rear side of the leg portion and having an outside diameter greater than that of the leg portion. The insulator includes a rear trunk portion exposed from the rear end of the metallic shell, which has a maximum outside diameter of 9.5 mm or less. The insulator has an end-surface seat portion located forward of its rear end and being in contact with the forward end surface of the head portion, and an outer circumferential portion into which at least a forward end portion of the head portion is inserted and which is located externally of the outer circumference of the head portion. | 06-19-2014 |
20140210335 | SPARK PLUG - A spark plug includes: a center electrode including a rod portion and a head portion and having a diameter larger than the diameter of the rod portion; an insulator having an axial bore, the center electrode being disposed in the axial bore at its front end; and a seal portion for fixing the center electrode in the axial bore. The insulator comprises: a leg portion inner circumferential surface; a cylindrical trunk portion inner circumferential surface which surrounds the head portion; and a support surface which supports the head portion. The seal portion has: a seal portion outer circumferential surface; a seal portion abutment surface; and a connecting surface. In a cross section of the seal portion, a curve, which is part of the contour of the seal portion and is included in the connecting surface, has a radius of curvature R of 0.1 mm or more. | 07-31-2014 |
20140336035 | INSULATOR FOR SPARK PLUG AND SPARK PLUG - An insulator for spark plug with a main constituent of alumina and containing silicon includes a grain boundary phase positioned between alumina particles. The grain boundary phase contains: a group 2A element; a rare earth element; and at least one kind of zirconium, titanium, chrome, niobium, manganese, and iron (a first element). Assuming that a total amount of the rare earth element is X (mass %), a total amount of the group 2A element is Y (mass %), and a total amount of the first element is Z (mass %), the following are met: | 11-13-2014 |
20150207300 | SPARK PLUG - A spark plug including an insulator containing an Al component, in terms of oxides, 89 mass % or more and a Ti component, in terms of oxides, more than 0 mass % and 0.2 mass % or less, characterized in that the insulator is formed of an alumina-based sintered material which contains, in a grain boundary phase present between alumina crystal grains, a first crystal phase containing at least one species selected from among an La component, an Nd component, a Pr component, a Y component, an Er component, a Yb component, and an Lu component, and a second crystal phase containing at least one species of Group 2 element components, an Al component and an Si component. | 07-23-2015 |
Patent application number | Description | Published |
20100210019 | SAMPLE ANALYZER, SAMPLE ANALYZING METHOD, AND COMPUTER PROGRAM PRODUCT - The present invention is to present a sample analyzer comprising: a reagent container holder; a measurement unit; and an information processing unit configured to perform operations comprising: controlling the measurement unit so as to start the successive measurement of the plurality of samples; determining whether or not to switch from the first reagent container to the second reagent container while performing the successive measurement by using the reagent contained in the first reagent container; controlling the measurement unit so as to suspend a start of aspiration of a next sample, to measure a quality control measurement sample prepared from the reagent contained in the second reagent container, when determined to switch from the first reagent container to the second reagent container; and controlling the measurement unit so as to start the aspiration of the next sample when an analysis result of the quality control measurement sample meets a predetermined condition. | 08-19-2010 |
20110020948 | SPECIMEN PROCESSING APPARATUS AND CONTROL METHOD FOR THE SAME - A specimen processing apparatus comprising: a specimen processing section which includes a movable section and processes a specimen by moving the movable section; and a controller for determining whether the movable section was moved while a specimen processing operation by the specimen processing section was stopped, and controlling the specimen processing section to perform a preparing operation for starting the specimen processing operation based on the determination result, is disclosed. A control method for a specimen processing apparatus is also disclosed. | 01-27-2011 |
20110053277 | ANALYZING APPARATUS AND CONTROL METHOD FOR THE SAME - A specimen analyzing apparatus for measuring a specimen by using a reagent which has a dispensing mechanism which includes a dispensing tube for suctioning and discharging liquid; a reagent container holder from which a reagent container is removable when the reagent container is in a container removal area; a receiving section for receiving a replacement command for a replacement of the reagent; and a controller for controlling the dispensing mechanism so as to retreat the dispensing tube from the container removal area when the replacement command has been received by the receiving section. Also, a control method for a specimen analyzing apparatus. | 03-03-2011 |
20110076780 | SAMPLE PROCESSING APPARATUS, SAMPLE RACK TRANSPORTING METHOD, AND APPARATUS - A sample processing apparatus includes a sample processing unit for obtaining a sample from a sample container and performing a predetermined process of the sample; a transport unit which includes a transport region for transporting, in a transport operation, a sample rack holding the sample container to the sample processing unit, and a rack removal region where the sample rack is accessible to an operator. A restraining member is also provided, which restrains contact by the operator to the sample rack on the transport region. A transport controller controls the transport unit to transport the sample rack on the transport region to the rack removal region after a predetermined transport suspension event occurs during the transport operation. | 03-31-2011 |
20110123397 | SAMPLE PROCESSING APPARATUS AND SAMPLE RACK TRANSPORTING METHOD - A sample processing apparatus, including: a sample processing unit for obtaining a sample from a sample container positioned at a sample obtaining position and performing a predetermined process of the sample; a transport unit for transporting a sample rack holding the sample container via the sample obtaining position; and a transport controller for performing a stop process to stop the transport operation of the sample rack by the transport unit when a transport suspension event has occurred during the transport operation of the sample rack, and for controlling the transport unit to restart the transport operation of the sample rack from a stop position at which the sample rack has been stopped by the stop process. | 05-26-2011 |
20110318845 | SAMPLE ANALYZER AND LIQUID ASPIRATING METHOD - A sample analyzer is configured to execute a liquid surface detection of detecting a liquid surface in a container by a liquid surface detector prior to a lowering operation of an aspirating tube for aspirating the liquid if a liquid level information is not stored in a memory, and store a liquid level information of a container in the memory based on a detection result by the liquid surface detection. Also, a liquid aspirating method by a sample analyzer. | 12-29-2011 |
20120004857 | THROUGHPUT INFORMATION GENERATING APPARATUS OF SAMPLE ANALYZER, SAMPLE ANALYZER, THROUGHPUT INFORMATION GENERATING METHOD OF SAMPLE ANALYZER, AND COMPUTER PROGRAM PRODUCT - An apparatus for generating throughput information of a sample analyzer is disclosed. Specifically, this apparatus generates throughput information of a sample analyzer capable of measuring a sample on a plurality of measurement items in which measurement time differs from each other. The apparatus receives an input of a plurality of measurement orders, wherein a measurement order includes a designation of at least one measurement item, generates the throughput information of the sample analyzer based on the received plurality of measurement orders; and outputs the generated throughput information. | 01-05-2012 |
20130084212 | SAMPLE PROCESSING APPARATUS - A sample processing apparatus includes: a sample processing unit comprising a moving mechanism and configured to perform a sample processing operation by moving the moving mechanism; a cover configured to cover the moving mechanism of the sample processing unit; a lock mechanism configured to lock the cover to prevent the cover from being opened; and a controller configured to control the lock mechanism, wherein the controller is configured to set either of a first mode and a second mode, wherein in the first mode, the cover is kept locked after the sample processing unit has completed the sample processing operation until an instruction to unlock the cover is received from a user, and in the second mode, the cover is automatically unlocked after the sample processing unit has completed the sample processing operation. | 04-04-2013 |
20140087472 | SAMPLE ANALYZER AND SAMPLE ANALYZING METHOD - Disclosed is a sample analyzer comprising: a transporting part configured to transport a sample rack holding one or more samples; a measuring part configured to perform a measurement on the sample of the transported sample rack; and a controller; wherein the controller is programmed to perform an analysis of a predetermined item that requires at least first and second measurement results derived respectively from first and second samples obtained from the same subject and preprocessed in different ways, if a measurement of the predetermined item is requested and a set of first and second samples obtained from the same subject and preprocessed in different ways are transported to the measuring part, the controller controls the measuring part to perform measurements on both of the first and second samples to derive the first and second measurement results and processes them to generate an analysis result of the predetermined item. | 03-27-2014 |
20140178251 | SAMPLE ANALYZER - A sample analyzer comprises a container setting part on which a liquid container is to be set, a liquid supplying part configured to supply a liquid to the liquid container, an aspiration tube configured to aspirate a sample or a reagent, a movement mechanism configured to move the aspiration tube, a liquid surface sensor configured to detect contact of the aspiration tube with a liquid surface, and a controller configured to execute an aspiration tube adjustment operation. The aspiration tube adjustment operation comprises supplying the liquid to the liquid container by the liquid supplying part, lowering the aspiration tube by the movement mechanism toward the liquid container set on the container setting part, and obtaining information regarding a position in a height direction of the aspiration tube at a time when the aspiration tube has come into contact with the liquid surface. | 06-26-2014 |
20140255254 | BLOOD COAGULATION ANALYZER - In order to improve accuracy of determination of a blood coagulation time without requiring complicated work, a measurement unit | 09-11-2014 |
Patent application number | Description | Published |
20100180279 | FIELD CONTROL DEVICE AND FIELD CONTROL METHOD - A field control device is provided. The field control device includes: a task executing unit configured to selectively and sequentially execute a control task relating to a field control and other tasks in a same control period; and a priority switching unit configured to switch a relative priority of the control task relative to the other tasks in the control period, wherein the priority is a priority of an execution sequence of tasks in the task executing unit. The priority switching unit is configured to: i) set the priority higher than a certain priority, before the control task is started; and ii) set the priority lower than the certain priority, after the control task is ended. | 07-15-2010 |
20100198363 | DISTRIBUTED CONTROL SYSTEM - There is provided a distributed control system including a plurality of field controllers which are connected through a control network. Each of the field controllers includes: a control clock that defines a control timing of the field controller; and an adjustment unit that adjusts a control time of the control clock depending on a network time obtained through the control network. | 08-05-2010 |
20100198991 | DUPLEXED FIELD CONTROLLER - There is provided a duplexed field controller. The duplexed field controller includes: first and second control units between which a control authority is switchable; a first application clock that is updated based on a reference clock so as to define a timing of an application operation of the first control unit; a second application clock that is updated based on the reference clock so as to define a timing of an application operation of the second control unit; and an update control unit that bypasses the first update of the second application clock after switching of the control authority, if the first application clock is ahead of the second application clock when the control authority is switched from the first control unit to the second control unit. | 08-05-2010 |
20100199003 | FIELD CONTROL SYSTEM - The field control system includes: a field device; a field controller which is connected to a control network and which executes a computation processing for controlling the field device according to a given control cycle while executing a data communication between the field controller and the field device, the field controller including a communication unit configured to execute the data communication with the field device, and a control computation unit configured to execute the computation processing independently from the communication unit; and an operation monitor which is connected to the control network and which operates and monitors the field device, the operation monitor including a network clock which provides a common network time to the control network. The control computation unit and the communication unit execute the computation processing and the data communication in synchronism with each other in accordance with a timer clock based on the network time. | 08-05-2010 |
Patent application number | Description | Published |
20110057831 | RADAR DEVICE - In a radar device including: a transmission antenna group having a plurality of transmission antennas; a reception antenna group having a plurality of reception antennas; and transmission switchover means to transmit transmission waves in a way that sequentially switches over the transmission antennas of the transmission antenna group, the reception antenna group receiving reflected waves, reflected from a target, of transmission waves of the transmission antennas when sequentially transmitting the transmission waves, is made to function as a virtual sub-array corresponding to the transmission antennas. The target is thus detected by executing a space averaging process based on a relative position, to the reception antenna group, of each of the transmission antennas undergoing the transmission switchover with respect to the virtual correlation values corresponding to the plurality of virtual sub-arrays. | 03-10-2011 |
20120112954 | RADAR DEVICE - The conventional ESPRIT method is accompanied by the problem of very long signal processing time. The radar device of the invention includes a signal vector-forming unit for forming signal vectors based on waves reflected from an object and received by using a plurality of receiving antennas; a submatrix-forming unit for forming submatrices based on the signal vectors; a regular matrix operation unit for calculating a regular matrix from the submatrices; an eigenvalue decomposition unit for calculating an eigenvalue of the regular matrix; and an angle calculation unit for calculating an angle at where the object is present from the eigenvalue. | 05-10-2012 |
20120194379 | RADAR DEVICE AND METHOD OF CALCULATION OF RECEIVE POWER IN RADAR DEVICE - An electronic scan type radar device which uses a high resolution performance processing to estimate directions of arrival of radio waves, wherein powers of arrival waves received for targets are accurately calculated, that is, a vehicle-mounted radar device utilizing electronic scan which uses a predetermined angle estimation system to estimate directions of arrival of reflected waves, comprising finding mode vectors for angles calculated from the receive signals of the antennas, decomposing a vector of the receive signals into directions of the mode vectors, and defining the lengths of the decomposed vectors the receive powers of the reflected waves arriving from the targets. Due to this method, even if there are targets, it is possible to accurately calculate the powers of the arrival waves, whereby pairing is accurately performed, the precision of detection of targets is improved, and erroneous operation of a vehicle-mounted radar device utilizing electronic scans is prevented. | 08-02-2012 |
20120223855 | RADAR APPARATUS - There is provided a radar apparatus of an electronic scan type configured to transmit an electric wave and calculate an angle of a target based on a phase difference of respective reception signals, thereby detecting a target position. An antenna unit transmits and receives the electric wave and provided with two transmission antennae. A transmission unit alternately transmits an electric wave having a first beam pattern and an electric wave having a second beam pattern from the two transmission antennae. First and second reception units calculate arrival angles and reception levels of reflected waves calculated from respective reception signals which are obtained by receiving the reflected waves by the first and second beam patterns. A comparison unit compares the reception levels by combining the arrival angles of the reflected waves. A determination unit determines whether a target actually exists at the arrival angles in accordance a comparison result. | 09-06-2012 |
20120249359 | CALCULATION DEVICE FOR RADAR APPARATUS, RADAR APPARATUS, AND CALCULATION METHOD AND PROGRAM FOR RADAR APPARATUS - There is provided a calculation device for a radar apparatus which is configured to specify a direction of a target based on respective reception signals of a plurality of antennae. A calculation unit is configured to use a predetermined estimation algorithm of estimating angles of targets corresponding to a preset separable-number from the respective reception signals, set an arbitrary separable-number to generate a mode vector from the estimated angles of the targets, obtained by the predetermined estimation algorithm, and determine whether the set separable-number is proper or not based on a magnitude of an orthogonal component calculated from the mode vector and an input vector of the respective reception signals. | 10-04-2012 |
20130249731 | RADAR APPARATUS AND TARGET DETECTING METHOD - A radar apparatus includes a retrieval unit, an estimation unit, a calculation unit, and a determination unit. The retrieval unit retrieves a strong reflection object based on a signal strength which a frequency spectrum of a beat signal generated by mixing a transmission signal which is frequency-modulated and emitted and a reception signal which is formed in the transmission signal is reflected on a target indicates. The estimation unit estimates an estimation orientation which is an orientation of a target assumed to be present around the strong reflection object, based on a relative distance to the strong reflection object. The calculation unit calculates power which is the signal strength for the estimation orientation by generating an orientation spectrum in the estimation orientation based on a frequency component corresponding to the relative distance. The determination unit determines whether there is the target in the estimation orientation based on the power. | 09-26-2013 |
20130307718 | RADAR DEVICE AND METHOD OF PROCESSING SIGNAL - A radar device according to an embodiment includes a transmission unit, a reception unit, and a processing unit. The transmission unit emits a transmission wave relating to a frequency-modulated transmission signal. The reception unit receives a reflected wave acquired by reflecting the transmission wave on an object as a reception signal. The processing unit detects object data corresponding to the object from the reception signal, outputs the object data to the vehicle control device that controls the vehicle, and removes object data satisfying the removal condition that is a condition used for determining whether or not object data is to be removed from an output target for the vehicle control device and includes at least the distance and the relative speed of the object data with respect to the speed of the vehicle as conditions from output targets for the vehicle control device. | 11-21-2013 |
20140062762 | RADAR DEVICE AND TARGET HEIGHT CALCULATION METHOD - In an in-vehicle radar device, as a vertical azimuth which is an azimuth of a target in a direction perpendicular to a ground surface, a real image vertical azimuth which is an azimuth of a real image existing above ground is calculated from a reflected wave generated when a transmission signal transmitted from a transmission antenna reflected from the target, and a virtual image vertical azimuth which is an azimuth of a virtual image existing underground is calculated from a reflected wave generated when the transmission signal transmitted from the transmission antenna is reflected from the target and reflected again from the ground surface. Next, in the in-vehicle radar device, an angle difference between the real image vertical azimuth and the virtual image vertical azimuth which are calculated is calculated, and a height of the target from the ground surface is calculated using the calculated angle difference. | 03-06-2014 |
20150234041 | RADAR APPARATUS - A radar apparatus pairs an angle peak of an up section in which a frequency of a transmission signal increases and an angle peak of a down section in which the frequency of the transmission signal decreases based on a reliability of a pair. The radar apparatus derives a first index that shows a highest level of the reliability of a pair in a plurality of pairs of the angle peaks and a second index that shows another level of the reliability of another pair, the second index being lower than the first index in the reliability but being higher than other indexes excluding the first index, and also determines a validity of the pair having the highest level of the reliability based on a comparison result between the first index and the second index. | 08-20-2015 |