Patent application number | Description | Published |
20150013638 | DUAL-FUEL DIESEL ENGINE AND OPERATION METHOD OF THE SAME - When shifting to the single combustion mode, an electromagnetic opening-and-closing valve V | 01-15-2015 |
20150047620 | TWO-CYCLE GAS ENGINE - A two-cycle gas engine includes a cylinder, a cylinder head, a piston that defines a combustion chamber with a surrounding wall of the cylinder and the cylinder head, a fuel gas injector, an ignition unit, a scavenging port configured to supply air into the combustion chamber upon the piston being positioned in vicinity of a bottom dead center, a fuel gas injection timing control unit configured to cause the fuel gas injector to inject the fuel gas upon the piston being positioned at 10° to 100° before top dead center in an ascending stroke and to cause the fuel gas injector to inject the fuel gas upon the piston being positioned in vicinity of the top dead center, and an ignition timing control unit configured to ignite the fuel gas inside the combustion chamber upon the piston being positioned in the vicinity of the top dead center. | 02-19-2015 |
20150075506 | TWO-CYCLE GAS ENGINE - A two-cycle gas engine includes a piston that defines a main combustion chamber with a surrounding wall of a cylinder and a cylinder head, a fuel gas injector configured to inject fuel gas, a scavenging port that supplies air into the main combustion chamber upon the piston being positioned in vicinity of a bottom dead center, a precombustion chamber cap that defines a precombustion chamber inside thereof, a fuel injection timing control unit configured to inject the fuel gas into the main combustion chamber and to inject the fuel gas into the main combustion chamber upon the piston being positioned in the vicinity of the top dead center, and an ignition timing control unit configured to ignite a mixed air of the fuel gas and the air inside the precombustion chamber upon the piston being positioned in the vicinity of the top dead center. | 03-19-2015 |
20150184578 | PRECOMBUSTION CHAMBER GAS ENGINE - An object is to provide a precombustion-chamber gas engine in which occurrence of knocking is restricted. The precombustion-chamber gas engine includes: a cylinder; a cylinder head; a piston delimiting a main combustion chamber with the cylinder head; a precombustion-chamber cap delimiting a precombustion chamber inside thereof and including a plurality of nozzle holes through which the precombustion chamber is in communication with the main combustion chamber; an intake valve for opening and closing an intake port that opens on the cylinder head; and an exhaust valve for opening and closing an exhaust port that opens on the cylinder head. In a planar view where the cylinder head is seen from below, there are at least one intake-side nozzle hole and at least one exhaust-side nozzle hole, and a total nozzle-hole area of the at least one intake-side nozzle hole is larger than that of the at least one exhaust-side nozzle hole. | 07-02-2015 |
20150300284 | DUAL-FUEL DIESEL ENGINE - An object is to, in a low-load operating range of a dual-fuel diesel engine or a dual-fuel diesel engine unit including a plurality of the dual-fuel diesel engines, reduce the amount of injection of oil fuel so as to make it possible to make exhaust gas less harmful and to reduce fuel cost. On a cylinder head, a plurality of dual-fuel injectors are disposed, each of which having a gas fuel injector that injects a gas fuel being a main fuel and a pilot fuel injector that injects an oil fuel. In a low-load operating range where it is not necessary for the dual-fuel injectors to inject fuel at the same time for ignition, fuel is injected alternately from the dual-fuel injectors and combusted in every single combustion cycle. As a result, it is possible to halve the amount of injection of oil fuel in the low-load operating range. | 10-22-2015 |
Patent application number | Description | Published |
20080198295 | BACKLIGHT DEVICE AND TRANSMISSION TYPE DISPLAY APPARATUS - A backlight device includes: a first prism sheet which has a triangular prism row on a major surface thereof; a first light source which emits light having directivity in a slanted direction with respect to a normal line direction of a light outgoing surface of the first prism sheet in opposite side to the triangular prism row side so as to enter into the triangular prism row of the first prism sheet; and a second light source which emits light having directivity in the normal line direction of the light outgoing surface of the first prism sheet so as to enter into the triangular prism row of the first prism sheet. | 08-21-2008 |
20080297431 | Liquid Crystal Display Apparatus and Information Device - In a liquid crystal display, a pixel driving circuit | 12-04-2008 |
20090140965 | IMAGE DISPLAY SYSTEM - This invention provides an image display system that includes an image display device having an overdrive processing circuit and allows reduction in memory cost as a whole. The image display system according to this invention includes an image generation device that generates image data, and an image display device that receives the image data from the image generation device, performs overdrive processing based on the received image data, and displays an image. The image generation device includes a rendering circuit that generates image data to be outputted to the image display device for every frame, a memory unit that holds the plural pieces of image data corresponding to at least two frames among the plural pieces of image data generated by the rendering circuit, and a transfer circuit that transfers the plural pieces of image data corresponding to two frames among the plural pieces of image data held by the memory unit to the image display device within one frame period. The image display device receives the plural pieces of image data corresponding to the two frames from the transfer circuit and performs the overdrive processing based on the received image data. | 06-04-2009 |
20090213299 | DISPLAY DEVICE - A display device includes a light guide plate which includes a light transmission portion and an antireflection portion at two opposite end faces and which is provided with a light extraction portion in part of a surface, respective light sources which are arranged on outer sides of the two opposite end faces, a transmission liquid crystal panel located adjacent to the light extraction portion, and a synchronous drive unit that alternately turns ON the light sources and that displays an image that is synchronous with an alternating turn-ON operation of the transmission liquid crystal panel. | 08-27-2009 |
20110002142 | FLAT SURFACE LIGHT SOURCE DEVICE AND METHOD FOR MANUFACTURING METALLIC MOLD FOR DIVIDING PRISM - A planar light source device capable of increasing light use efficiency and preventing color breakup without using any reflection polarizing plate nor performing multiple reflection. The planar light source device includes a planar light guide plate, light sources arranged as to be opposed to end surfaces of the light guide plate on its both sides, and a divided prism formed in a back surface inside the light guide plate and that reflects light incident upon the light guide plate from the light sources toward a front surface side of the light guide plate. The divided prism includes a prism portion and a dividing portion both of which have a width equal to or less than the wavelength of light from the light sources and is formed with the prism portion and the dividing portion alternately repeated along a direction parallel to the end surfaces of the light guide plate which are opposed to the light sources. | 01-06-2011 |
20120127400 | ILLUMINATION DEVICE AND LIQUID CRYSTAL DISPLAY - It is an object of the invention to provide a technique capable of suppressing variations in luminance in the vicinity of a light entrance surface of a light guide plate. An illumination device includes a point light source, and a light guide plate having a side surface serving as a light entrance surface opposed to the point light source, and a main surface serving as a light exit surface. The light entrance surface of the light guide plate is provided with unevenness formed by arraying at predetermined pitches a plurality of protrusions each projecting from the light entrance surface and extending in a direction perpendicular to the light exit surface. Each of the top surface and the bottom surface of the unevenness is provided with a plurality of micro protrusions each extending in the direction perpendicular to the light exit surface and having a height smaller than the above protrusion. | 05-24-2012 |
20140085439 | DISPLAY DEVICE - The display device includes a display panel on which sub-pixel pairs are arranged in a lateral direction, and a parallax barrier shutter panel on which sub-openings that can be changed between a light transmittance state and a light-shielding state are arranged in a lateral direction. Arbitrary allocated number of adjacent sub-openings among the plural sub-openings belonging to a reference parallax barrier pitch are put into a light transmittance state, and the remaining sub-openings are put into a light-shielding state, so that a general opening is formed on the parallax barrier shutter panel. A sub-opening pitch of the sub-opening on the boundary part between the adjacent common driving areas is different from the sub-opening pitch of the other sub-openings. | 03-27-2014 |
20140184660 | DISPLAY DEVICE - A one-pixel structure of a display panel included in an auto-stereoscopic image display device adopts an in-plane switching mode. Transparent counter electrodes that are not provided in a liquid crystal panel of a normal in-plane switching mode are formed correspondingly to pixel peripheral regions on a second transparent substrate side and, in | 07-03-2014 |
20150160465 | LIQUID CRYSTAL DISPLAY - A display panel has a first viewing-angle characteristic for a first yellow-shift direction that is an oblique visual-field direction in which an image shifts to yellow in white display and for a first blue-shift direction that is a visual field direction in which an image shifts to blue in white display. A parallax barrier panel has a second viewing-angle characteristic for a second yellow-shift direction that is an oblique visual-field direction in which an image shifts to yellow in white display and for a second blue-shift direction that is a visual field direction in which an image shifts to blue in white display. The display panel and the parallax barrier panel are laminated such that the first yellow-shift direction and the second blue-shift direction agree with each other and that the first blue-shift direction and the second yellow-shift direction agree with each other. | 06-11-2015 |
20150192724 | AREA LIGHT SOURCE DEVICE AND DISPLAY DEVICE USING SAME - The present invention relates to an area light source device and a display device using the area light source device. The present invention includes a point light source, and a light guide plate. The light guide plate includes a protruding structure on a light entrance surface side. The protruding structure protrudes from a light exit surface side or a counter light exit surface side opposite from the light exit surface. The point light source includes an arrangement of point light sources. The protruding structure is configured such that oblique cylinders each having a semicircular upper surface protrude and arranged in a direction of the arrangement of the point light sources. The point light sources are arranged so that the lines of intersection of adjacent ones of the oblique cylinders coincide with the middles of the point light sources, respectively. | 07-09-2015 |
Patent application number | Description | Published |
20090027781 | PROJECTION OPTICAL SYSTEM, EXPOSURE APPARATUS, AND DEVICE FABRICATION METHOD - The present invention provides a projection optical system which projects an image on a first object plane onto a second object plane, comprising at least four optical members which are arrayed in turn from the second object plane, and made of an isotropic crystal, wherein the at least four optical members are formed by alternately arraying optical members in each of which a <1 1 1> crystal axis is oriented along a direction of an optical axis, and optical members in each of which a <1 0 0> crystal axis is oriented along the direction of the optical axis. | 01-29-2009 |
20100091361 | PROJECTION OPTICAL SYSTEM, EXPOSURE APPARATUS, AND DEVICE FABRICATION METHOD - The present invention provides a projection optical system for projecting a pattern of an object plane onto an image plane, including a first lens whose refractive index irreversibly increases by ultraviolet irradiation, and a second lens whose refractive index irreversibly decreases by the ultraviolet irradiation. | 04-15-2010 |
20110109908 | DETECTION APPARATUS - A detection apparatus which illuminates a sample and detects light reflected by the sample, comprises a light source, a columnar reflecting member having a columnar reflecting surface which reflects light having entered a first end of the columnar reflecting member by a plurality of number of times, and emits the light from a second end of the columnar reflecting member, a mirror which reflects light radiated by the light source so as to guide to the first end and a detector, wherein the sample is illuminated with the light emitted from the second end, and the detector is configured to detect the light which has been reflected by the sample and has passed through the columnar reflecting member, and a reflecting surface of the mirror is a concave surface, and a shape of a reflecting surface of the mirror on a section perpendicular to an axis of the columnar reflecting member is concave. | 05-12-2011 |
Patent application number | Description | Published |
20090261774 | VARIABLE-FLUX MOTOR DRIVE SYSTEM - A variable-flux motor drive system including a permanent-magnet motor including a permanent magnet, an inverter to drive the permanent-magnet motor, and a magnetize device to pass a magnetizing current for controlling flux of the permanent magnet. The permanent magnet is a variable magnet whose flux density is variable depending on a magnetizing current from the inverter. The magnetize device passes a magnetizing current that is over a magnetization saturation zone of magnetic material of the variable magnet. This system improves a flux repeatability of the variable magnet and a torque accuracy. | 10-22-2009 |
20100060223 | PERMANENT MAGNET ROTATING ELECTRICAL MACHINE AND PERMANENT MAGNET MOTOR DRIVE SYSTEM - A permanent magnet rotating electrical machine capable of conducting a variable speed operation at high output in a wide range from low speed to high speed and improving efficiency and reliability in a wide operating range. Two kinds of permanent magnets having different shapes or different magnetic characteristics are embedded in a rotor core, to form a magnetic pole. The permanent magnets arranged at the magnetic pole include a permanent magnet whose product of coercive force and thickness along a magnetizing direction is small and the permanent magnet whose product of coercive force and thickness along the magnetizing direction is large. A magnetic field created by passing a current to an armature coil for a short time is used to irreversibly magnetize the permanent magnet whose product of coercive force and thickness along magnetizing direction is small, thereby changing a total linkage flux amount, and a positive d-axis current is passed when torque is large. | 03-11-2010 |
20100201294 | VARIABLE MAGNETIC FLUX DRIVE SYSTEM - A variable magnetic flux motor drive system includes: a variable magnetic flux motor having a variable magnet which is a low-coercive permanent magnet; an inverter that drives the variable magnetic flux motor | 08-12-2010 |
20100327689 | PERMANENT-MAGNET-TYPE ROTATING ELECTRICAL MACHINE AND PERMANENT MAGNET MOTOR DRIVE SYSTEM - A permanent-magnet-type rotating electrical machine capable of realizing variable-speed operation in a wide range from low speed to high speed at high output and improving, in a wide operating range, efficiency, reliability, and productivity. The rotating electrical machine includes a first permanent magnet whose product of coercive force and magnetizing direction thickness is small and a second permanent magnet whose product of coercive force and magnetizing direction thickness is large, to form a magnetic pole. The product of coercive force and magnetizing direction thickness of the first permanent magnet is equal to or larger than the product of magnetic field strength and magnetizing direction thickness of the second permanent magnet at a no-load operating point. At the magnetic pole, a magnetic field created by a current of an armature coil magnetizes the first permanent magnet, irreversibly changing a flux amount of the first permanent magnet. | 12-30-2010 |
20100327787 | PERMANENT-MAGNET-TYPE ROTATING ELECTRICAL MACHINE - The present invention provides a permanent-magnet-type rotating electrical machine capable of realizing variable-speed operation in a wide range from low speed to high speed at high output and improving, in a wide operating range, efficiency, reliability, and productivity. A narrow magnetic path | 12-30-2010 |
20110304235 | PERMANENT MAGNET ELECTRIC MOTOR - According to one embodiment, a rotor is configured by a rotor core and magnetic poles. Two or more types of permanent magnets are used such that each product of coercivity and thickness in the magnetization direction becomes different. A stator is located outside the rotor with air gap therebetween and configured by an armature core winding. At least one permanent magnet is magnetized by a magnetic field by a current of the armature winding to change a magnetic flux content thereof irreversibly. A short circuited coil is provided to surround a magnetic path portion of the other permanent magnet excluding the magnet changed irreversibly and a portion adjacent to the other permanent magnet where the magnetic flux leaks. A short-circuit current is generated in the short circuited coil by the magnetic flux generated by conducting a magnetization current to the winding. A magnetic field is generated by the short-circuit current. | 12-15-2011 |
20110309706 | PERMANENT MAGNET ELECTRIC MOTOR - According to one embodiment, a rotor | 12-22-2011 |
20120000739 | ROLLING STOCK SYSTEM AND CONTROL METHOD THEREOF | 01-05-2012 |
20120091848 | PERMANENT MAGNET ELECTRIC MOTOR - An increase of the magnetization current can be prevented during demagnetization and magnetization, and a variable speed operation can be achieved at a high power output over a wide range of from a low speed to a high speed. A rotor ( | 04-19-2012 |
Patent application number | Description | Published |
20100332065 | ELECTRIC-VEHICLE DRIVING APPARATUS - According to one embodiment, there is provided an electric-vehicle driving apparatus which consumes regenerative energy by a brake resistor and can decrease harmonic components generated by a brake-chopper switching circuit. Plural brake-chopper switching circuits are provided in parallel for each inverter. Harmonic components generated by the brake-chopper switching circuits are decreased by changing phases or frequencies of triangular carrier waves of the switching circuits, relatively to each other. | 12-30-2010 |
20110100253 | VEHICLE DRIVE APPARATUS - According to one embodiment, a vehicle drive apparatus configured to drive a vehicle includes a motor arranged on a bogie to drive a wheel, a cooling fan arranged to be rotatable integrally with a rotational shaft of the motor to cool the motor, a control device arranged under a floor of the body to face the bogie and configured to supply an electric power to the motor and control the motor, and a ventilation duct arranged between the motor and the control device and configured to guide a cooling wind blown by the cooling fan into the control device. | 05-05-2011 |
20120181970 | VARIABLE-FLUX MOTOR DRIVE SYSTEM - A variable-flux motor drive system including a permanent-magnet motor including a permanent magnet, an inverter to drive the permanent-magnet motor, and a magnetize device to pass a magnetizing current for controlling flux of the permanent magnet. The permanent magnet is a variable magnet whose flux density is variable depending on a magnetizing current from the inverter. The magnetize device passes a magnetizing current that is over a magnetization saturation zone of magnetic material of the variable magnet. This system improves a flux repeatability of the variable magnet and a torque accuracy. | 07-19-2012 |
20120217833 | PERMANENT-MAGNET TYPE ELECTRIC ROTATING MACHINE - According to one embodiment, a permanent-magnet type electric rotating machine has a stator, a magnetizing coil, a rotor and a case. The stator has an armature coil configured to form a magnetic circuit for driving. The magnetizing coil is configured to form a magnetic circuit for magnetizing. The rotor has a constant magnetized magnet, a rotor core and a variable magnetized magnet. The rotor core holds the constant magnetized magnet. The constant magnetized magnet is arranged closer to the magnetic circuit for driving than the variable magnetized magnet. The variable magnetized magnet is arranged closer to the magnetic circuit for magnetizing than the constant magnetized magnet. | 08-30-2012 |
20130334991 | VARIABLE-FLUX MOTOR DRIVE SYSTEM - A variable-flux motor drive system including a permanent-magnet motor including a permanent magnet, an inverter to drive the permanent-magnet motor, and a magnetize device to pass a magnetizing current for controlling flux of the permanent magnet. The permanent magnet is a variable magnet whose flux density is variable depending on a magnetizing current from the inverter. The magnetize device passes a magnetizing current that is over a magnetization saturation zone of magnetic material of the variable magnet. This system improves a flux repeatability of the variable magnet and a torque accuracy. | 12-19-2013 |
20140184133 | VARIABLE-FLUX MOTOR DRIVE SYSTEM - A variable-flux motor drive system including a permanent-magnet motor including a permanent magnet, an inverter to drive the permanent-magnet motor, and a magnetize device to pass a magnetizing current for controlling flux of the permanent magnet. The permanent magnet is a variable magnet whose flux density is variable depending on a magnetizing current from the inverter. The magnetize device passes a magnetizing current that is over a magnetization saturation zone of magnetic material of the variable magnet. This system improves a flux repeatability of the variable magnet and a torque accuracy. | 07-03-2014 |
Patent application number | Description | Published |
20110285337 | CONTROL DEVICE OF A SYNCHRONOUS MOTOR - A control device of a synchronous machine is disclosed. The control device includes an inverter configured to provide an output current to a synchronous machine. A controller configured to control the output current and to estimate a voltage command, at least in part, by using pulse width modulation to choose a non-zero vector at a time when the inverter is not driving the synchronous machine with the output current. The estimating the voltage command is performed without using a zero vector. A phase angle and angular velocity estimating section configured to estimate a phase angle and an angular velocity of a rotor of the synchronous machine based, at least in part, on an inductance value, an induction voltage value, the voltage command, and the output current. The controller is further configured to control the output current based, at least in part, on the phase angle and the angular velocity. | 11-24-2011 |
20130076172 | Electric Motor - An electric motor is disclosed that includes a first electric motor frame; a second electric motor frame positioned outside the first electric motor frame; a first ventilation path between the first frame and the second frame; and a first ventilation path fan installed within the first ventilation path. The first ventilation path fan can be integral with a shaft of the electric motor. The first ventilation path can be at least partially defined by the first and second electric motor frame. The electric motor of Claim | 03-28-2013 |
20140312810 | ELECTRIC VEHICLE CONTROL APPARATUS AND ELECTRIC VEHICLE - According to one embodiment, an electric vehicle control apparatus is provided with a converter having a diode and a switching device which convert an AC voltage or a DC voltage supplied from an input side into a DC voltage, whose output side is connected to a main motor through an inverter, a battery connected to the converter through a reactor, to provide a power source for the main motor, and a boosting chopper circuit composed the diode and the switching device which the converter has, so as to boost a voltage of the battery. | 10-23-2014 |
20140368137 | MOTOR CONTROL DEVICE AND CONTROL METHOD THEREOF - A rail vehicle comprises: a permanent magnet synchronous motor; an inverter for driving the permanent magnet synchronous motor; and a vehicle speed sensor for detecting the vehicle speed VTcar. The initial rotational speed ωest0 is estimated based on the vehicle speed VTcar; the angular velocity (ωest) is estimated, taking the initial rotational speed (ωest0) as the initial value; the rotational phase angle (θest) is estimated based on the angular velocity (ωest); and the inverter ( | 12-18-2014 |
Patent application number | Description | Published |
20080282046 | Part information restoration method, part information management method and electronic apparatus - A part information restoration method is adapted to an electronic apparatus having first and second parts which are replaceable and are provided with a nonvolatile memory for storing part information unique to the part. The method includes storing, in a first nonvolatile memory of the first part, part information of the first part, and saving part information of the second part as a first reference information at least when replacing the second part, storing, in a second nonvolatile memory of the second part, the part information of the second part, and saving the part information of the first part as second reference information at least when replacing the first part. The method restores the first reference information in the second nonvolatile memory or restores the second reference information in the first nonvolatile memory, after replacing the first or second part. | 11-13-2008 |
20080282113 | Failure information management method and apparatus, failure detection method and apparatus, electronic apparatus, information processing apparatus and computer-readable storage medium - A failure information management method manages failure information related to a replaceable part of an electronic apparatus, by generating an error log, and storing the error log in a non-volatile memory of the replacement recommended part itself. The error log is generated by recording first generation information in a representative log information part and detailed log information part in a non-overwritable manner with respect to a first failure of a replacement recommended part, and by recording second generation information in the representative log information part and the detailed log information part in an overwritable manner with respect to second and subsequent failures of the replacement recommended part. | 11-13-2008 |
20090243846 | ELECTRONIC APPARATUS SYSTEM HAVING A PLURALITY OF RACK-MOUNTED ELECTRONIC APPARATUSES, AND METHOD FOR IDENTIFYING ELECTRONIC APPARATUS IN ELECTRONIC APPARATUS SYSTEM - An electronic apparatus system includes a plurality of racks mounting a plurality of electronic apparatus. The system identifies the physical location of the electronic apparatus having sent the abnormality notification by using light emitting devices displaying the statuses of the electronic apparatuses. The light emitting devices of the entire electronic apparatuses on a rack is displayed, and the rack location is identified from among a plurality of racks. | 10-01-2009 |
20110197095 | Information processing apparatus and method - An information processing apparatus comprising: a plurality of processing units; a plurality of individual monitoring units provided for each of the plurality of processing units, that monitor an operation condition of a corresponding processing unit, and judge whether or not the corresponding processing unit is operating normally, and notify the judgment result for the corresponding processing unit to outside; and an administrative unit connected to the plurality of individual monitoring units, that receives notification from any of the individual monitoring units, and performs troubleshooting processing on a processing unit corresponding to an individual monitoring unit that has made a notification that a corresponding processing unit is not operating normally. | 08-11-2011 |
20140013167 | FAILURE DETECTING DEVICE, FAILURE DETECTING METHOD, AND COMPUTER READABLE STORAGE MEDIUM - A failure detecting device comprising a processor and a memory. The processor executes a process including storing propagation information indicating the other components to which the failure propagates, and a standby time for standing by until the failure propagates to the other components. The process includes detecting the failure of a component. The process includes acquiring, when a first failure was detected, propagation information about a detected component and a standby time about the detected component. The process includes determining notification candidates including a component in which a failure has been detected first and a component in which a new failure has been detected before the acquired standby time has elapsed. The process includes notifying, as a failed component from among the determined notification candidates a user of a component that is not included in the propagation information acquired at the acquiring after the standby time has elapsed. | 01-09-2014 |
20150067385 | INFORMATION PROCESSING SYSTEM AND METHOD FOR PROCESSING FAILURE - An information processing system includes a plurality of nodes and a shared memory connected to the plurality of nodes. Each of the nodes includes a plurality of functional circuits, a control device, and a register configured to store a plurality of interrupt factors that occur in the plurality of functional circuits. And The control device in one node among the plurality of nodes receives the interrupt factor in each register of a plurality of other nodes in response to an occurrence of the interrupt factor, extracts an interrupt factor to be detected as a failure among the received interrupt factors, specifies a fail node according to an extraction result, and, after suppressing access to the shared memory by the fail node, controls to separate the fail node from the information processing system on basis of log information received from the plurality of other nodes. | 03-05-2015 |
Patent application number | Description | Published |
20120148445 | DEODORIZATION AND STERILIZATION APPARATUS AND METHOD - A deodorization and sterilization apparatus and method, which increases an amount of generated active species and collects floating bacteria or odor materials in air at one place, such that the active species make contact with the collected floating bacteria or odor materials to achieve high-efficiency sterilization and deodorization. A pair of electrodes is provided, plasma discharge is carried out by applying designated voltage between the pair of electrodes, fluid passage holes are provided at corresponding parts of respective electrodes so as to communicate with each other, and at least one absorption member to absorb floating bacteria or odor materials is disposed at the downstream of a fluid passing through the fluid passage holes. | 06-14-2012 |
20120148446 | PLASMA GENERATION METHOD AND APPARATUS - A plasma generation apparatus and method, which achieve both sterilization and deodorization of attached bacteria even under the condition that steam or fine droplets of water are present. A pair of electrodes is prepared, plasma discharge is carried out by applying designated voltage between the pair of electrodes, fluid passage holes are provided at corresponding parts of respective electrodes so as to communicate with each other, and steam or fine droplets of water are applied to the fluid passage holes and plasma generated around the fluid passage holes. | 06-14-2012 |
20130189154 | PLASMA GENERATION METHOD AND APPARATUS - A plasma generation apparatus and method, which achieve both sterilization and deodorization of attached bacteria even under the condition that steam or fine droplets of water are present. A pair of electrodes is prepared, plasma discharge is carried out by applying designated voltage between the pair of electrodes, fluid passage holes are provided at corresponding parts of respective electrodes so as to communicate with each other, and steam or fine droplets of water are applied to the fluid passage holes and plasma generated around the fluid passage holes. | 07-25-2013 |