| Hitachi Plant Technologies, Ltd. Patent applications |
| Patent application number | Title | Published |
|---|
| 20110190158 | Method of nucleic acid sequence detection and nucleic acid sequence detection substrate - According to an aspect of the present invention, a pair of oligonucleotide strands are anchored onto the surface of a substrate by immobilizing one of the ends thereof onto the substrate. Each of the immobilized oligonucleotide strands is bound to a target nucleic acid sequence (single-stranded) having complementary sequences thereto to form a cross-linked structure on the substrate, thereby forming a finely reticulated space. Ligands are captured by this reticulated space through physical adsorption and caused to color with active substances reactive to the ligands. As a result of this, the present invention is capable of highly sensitively detecting even an exceedingly small concentration of a particular target nucleic acid sequence to be detected, at low cost and for a short time. | 08-04-2011 |
| 20110171082 | REACTOR AND REACTION PLANT - In order to provide, when a plurality of fluids each containing a different kind of substance are mixed and reacted, a reactor having a mixing channel capable of forming a multi-layered flow in a radial direction in the cylindrically-shaped mixing channel; improving mixing performance by synergizing swirling effects of mixture of turbulent flows and a swirling flow; and producing a reaction product with a high yield as well as high efficiency, a mixing channel | 07-14-2011 |
| 20110056223 | COOLING SYSTEM FOR ELECTRONIC EQUIPMENT - In a cooling system for an electronic device of the present invention, server rooms in which a plurality of servers are placed, an evaporator which is provided close to each of the servers, and cools exhaust air from the server by vaporizing a refrigerant with heat generating from the server, a cooling tower which is provided at a place higher than the evaporator, cools the refrigerant by outside air and water sprinkling, and condenses the vaporized refrigerant, and a circulation line in which the refrigerant naturally circulates between the evaporator and the cooling tower. According to the cooling system, an electronic device which is required to perform a precise operation with a heat generation amount from itself being large, such as a computer and a server, can be efficiently cooled at low running cost. | 03-10-2011 |
| 20100249362 | APPARATUS AND METHOD BOTH RELATING TO POLYMER SYNTHESIS - The present invention provides a method and apparatus for producing polylactic acid by depolymerizing lactic acid oligomers and subjecting the obtained lactide to ring-opening polymerization, through which lactide can be efficiently obtained. The present invention relates to a lactide production apparatus for continuously or intermittently producing lactide, comprising: a depolymerization device | 09-30-2010 |
| 20100216183 | MICROBIAL DETECTION APPARATUS, MICROBIAL DETECTION METHOD, AND SAMPLE CONTAINER USED THEREIN - The sample container has a two-layer membrane filter comprising a first layer as an upper layer serving as a hydrophilic membrane filter and a hydrophobic membrane filter as an underlying second layer capable of filtering an aqueous solution without the use of a wetting agent and by means of a formed negative pressure. Using this sample container, a large amount of an aqueous sample solution is filtered by means of a negative pressure formed by a suction portion to capture microbes in the aqueous sample solution by the hydrophilic membrane filter. Then, the negative pressure is restored to normal pressure, and a microbial dissolution solution is then added to the membrane filter to retain the microbial dissolution solution for a given time on the hydrophobic membrane filter. Then, the microbial dissolution solution is dispensed to a reaction container containing a luminescent reagent, and luminescence is detected to detect the microbes. | 08-26-2010 |
| 20100209989 | Entrapping immobilization pellets and process for producing the same - The present invention produces entrapping immobilization pellets which have high pellet strength and retain high and stable microbial activity (nitrification activity) even if a low concentration of a material involved in immobilization (such as an immobilizing material or polymerization initiator) used. The entrapping immobilization pellets in which microorganisms are entrapped and immobilized in an immobilizing material comprise a filler having a plate-like and/or needle-like crystal structure in the immobilizing material. | 08-19-2010 |
| 20100192974 | METHOD FOR ULTRASONIC CLEANING OF CONTAMINATION ATTACHED TO A SURFACE OF AN OBJECT - An ultrasonic cleaning method in which ultrasonic cleaning of a contamination attached to a surface of an object to be cleaned is performed by directing toward the object to be cleaned, a cleaning liquid to which ultrasonic waves are applied by alternately focusing first ultrasonic waves having a frequency of 1 to 10 MHz and second ultrasonic waves having a frequency equal to or lower than ½ of that of the first ultrasonic waves. A focus position adjustment device is used to adjust the distance of the focus position relative to the surface of the object to be cleaned, and a moving device is used to movie at least one of the ultrasonic wave generation device and a support base for the object so that the effect of the ultrasonic waves generated by the ultrasonic wave generation device on the surface of the object to be cleaned is uniform. | 08-05-2010 |
| 20100136643 | METHOD AND APPARATUS FOR PRODUCING HYDROGEN AND MICROORGANISM-IMMOBILIZATION PELLETS USED IN THE SAME - The hydrogen-producing method of the an aspect of the present invention is a method for producing hydrogen in which hydrogen is produced from an organic matter using a microorganism, characterized by using pellets on which hydrogen-producing acid-resistant bacteria are entrapped and immobilized, producing hydrogen by bringing the pellets into contact and react with the organic matter in an environment of a pH of 4 to 6. The inventors of the present invention have obtained a finding that a hydrogen-producing bacteria are entrapped and immobilized, so that the optimum pH of the hydrogen-producing bacterium shifts to low range. The present invention is made based on the above finding and uses pellets on which the hydrogen-producing bacteria are entrapped and immobilized, so that the hydrogen-producing bacterium is activated at a low pH range of 4 to 6 to produce hydrogen. Therefore, the effects of contaminated bacteria that consume hydrogen are less, and the yield of hydrogen can be improved. | 06-03-2010 |
| 20100073863 | ELECTRONIC APPARATUS - An electronic apparatus, such as a blade server or the like, has a cooling system for efficiently cooling a plurality of heat generating semiconductor devices, such as a CPU, mounted on blades which is freely put on and taken off. The cooling system includes a thermosiphon which transfers heat from devices having relatively high heat generation, such as CPU or the like, to the outside of the apparatus, heat pipes which transfer heat of devices having relatively low heat generation to the thermosiphon, a thermal highway which is thermally coupled to the thermosiphon by the mounting of blades into a housing and collects and transfers the heat from the thermosiphon and the heat pipes, and a condenser which transfers the heat collected and transferred by the thermal highway outside a housing. | 03-25-2010 |
| 20100058929 | Electric dust collector, discharge electrode, method for producing the discharge electrode, and method for producing discharge needle - To improve anti-corrosion property in a wet-type electric dust collector while ensuring discharge function. | 03-11-2010 |
| 20100038311 | Entrapping immobilization pellets, wastewater treatment system using the entrapping immobilization pellets and wastewater treatment method - The entrapping immobilization pellets satisfy conditions: (A) the deformation rate expressed by (H | 02-18-2010 |
| 20100034646 | CENTRIFUGAL COMPRESSOR - The present invention provides a centrifugal compressor that inhibits possible leakage while reducing a destabilizing fluid force generated in a seal to prevent the possible instable vibration of a rotor. The centrifugal compressor includes a casing, a rotor rotatably installed in the casing and having an impeller, and seals provided in the clearance between the casing and the rotor to prevent a fluid from leaking through the clearance from a high pressure side to a low pressure side. The rotor rotates to compress gas. For example, the balance piston seal is composed of a damper seal with a plurality of holes and a labyrinth seal with an annular parallel groove; the damper seal and the labyrinth seal are continuously provided. The damper seal is disposed on the high pressure side in a leakage flow direction. The labyrinth seal is disposed on the low pressure side in the leakage flow direction. | 02-11-2010 |
| 20100028141 | MULTISTAGE CENTRIFUGAL COMPRESSOR - In a multistage centrifugal compressor, a plurality of impellers is attached to the same rotary shaft. Vaned Diffusers and vaneless diffusers are used, as diffusers, for respective compressor stages configuring the compressor. The vaned diffusers are continuously used from the first compressor stage to the middle compressor stage, and the vaneless diffusers are used for the last compressor stage and the previous stage. While high efficiency is maintained at the compressor stages having the vaned diffusers, an operating flow range is secured at the compressor stages having the vaneless diffusers. | 02-04-2010 |
| 20100000955 | Girder block lifting method and jack-up stage used therefor - A girder block lifting method, which can solve a problem that steel beams are inclined or fallen inward by lifting a heavy material, and a jack-up stage used therefor are provided. The method includes a main beam which can be provided between steel beams being targets of connection with the girder to construct a rigid frame structure, a height adjustment means (gate-shaped base) mounted on a cross beam member being parallel to the main beam and connecting other steel frames for adjusting height to the main beam, a connection beam for alternately connecting the main beam and the height adjustment means (gate-shaped base), and an auxiliary beam for connecting the connection beams. On a frame stage formed by connecting these beams, a plurality of lifting jacks are provided and a lifting sling is hung from upper part of the steel beam to enable jack-up of the girder block. | 01-07-2010 |
| 20090317248 | CENTRIFUGAL COMPRESSOR HAVING VANELESS DIFFUSER AND VANELESS DIFFUSER THEREOF - In a high pressure centrifugal compressor, the occurrence of rotating stall noticeable in a comparatively-low specific speed wheel stage is prevented, thereby high efficient fluid performance is obtained and reliability is improved. The centrifugal compressor has a first vaneless diffuser with a constant flow channel height on the downstream side of an impeller, and a second vaneless diffuser in which the flow channel height decreases in a flow direction from an inlet to an outlet on the downstream side of the first vaneless diffuser. These diffusers are combined with an impeller using thick blades. | 12-24-2009 |
| 20090235821 | Structure for attaching dust collection electrode of wet electric dust collector - A structure for attaching a dust collection electrode of a wet electric dust collector that is low-cost and that is resistant to all of an entire face corrosion, a space corrosion, and a hole corrosion. The structure for attaching a dust collection electrode of a wet electric dust collector is structured so that an end of a dust collection electrode element | 09-24-2009 |
| 20090224414 | EVAPORATIVE HUMIDIFIER - In the evaporative humidifier of the present invention, a desired humidity is obtained by supplying water only to a humidifying module required for humidification. Air simply passes through a humidifying module to which water is not supplied. Accordingly, air obtained by mixing humidified air passing through the humidifying module which is wet with water being supplied thereto (wet zone) and non-humidified air passing through the humidifying module to which water is not supplied (dry zone) is blown out from an outlet of the evaporative humidifier. The mixture amount (mixture ratio) is controlled by the opening and closing of the valve, so that a desired humidity is obtained. Therefore, with the evaporative humidifier of the present invention, humidity control can be accurately performed without unnecessarily operating the humidifying device and without wasting energy. | 09-10-2009 |
| 20090202746 | Flat membrane element and regeneration method thereof - To reuse support plate and to fix a membrane sheet by the same method both in a new product manufacturing and in regeneration. In a flat membrane element including a deposit fixed portion formed by lapping a membrane sheet performing solid-liquid separation onto a support plate supporting the membrane sheet and by emitting a laser to a circumferential edge of the membrane sheet to deposit fix the member sheet onto the support plate, and making an inside of the membrane sheet surrounded by the deposit fixed portion be a solid-liquid separating area; an embrocation having laser absorption property is applied on the surface of the membrane sheet of the deposit fixed portion. At the time of regeneration, such a portion of the membrane sheet that corresponds to the solid-liquid separating area is cut off and, after that, a new membrane sheet is lapped on the embrocation and the new membrane sheet and the embrocation are deposit fixed by a laser. | 08-13-2009 |
| 20090201645 | COOLING SYSTEM FOR ELECTRONIC EQUIPMENT - In a cooling system for an electronic device of the present invention, server rooms in which a plurality of servers are placed, an evaporator which is provided close to each of the servers, and cools exhaust air from the server by vaporizing a refrigerant with heat generating from the server, a cooling tower which is provided at a place higher than the evaporator, cools the refrigerant by outside air and water sprinkling, and condenses the vaporized refrigerant, and a circulation line in which the refrigerant naturally circulates between the evaporator and the cooling tower. According to the cooling system, an electronic device which is required to perform a precise operation with a heat generation amount from itself being large, such as a computer and a server, can be efficiently cooled at low running cost. | 08-13-2009 |
| 20090197328 | Process and apparatus for producing entrapping immobilization pellets - A large amount of entrapping immobilization pellets with highly stable quality are produced inexpensively by high-speed treatment. There is provided a process for producing entrapping immobilization pellets in which microorganisms are entrapped and immobilized in an immobilizing agent, the process comprising polymerizing a mixture containing the microorganisms and a solution of the immobilizing agent in a forming frame into a gel to prepare a pellet block. | 08-06-2009 |
| 20090188858 | Entrapping immobilization pellets for purifying breeding water, process and apparatus for purifying breeding water, and aquarium set - Entrapping immobilization pellets for purifying breeding water in an aquarium to breed aquatic animals, wherein the entrapping immobilization pellets have a phosphorus content of 0.05 mass % or less. | 07-30-2009 |
| 20090184048 | Process and apparatus for producing entrapping immobilization pellets - A large amount of entrapping immobilization pellets with highly stable quality are produced inexpensively by high-speed treatment. There is provided a process for producing entrapping immobilization pellets in which microorganisms are entrapped and immobilized in an immobilizing agent, the process comprising polymerizing a mixture containing the microorganisms and a solution of the immobilizing agent in a forming frame into a gel to prepare a pellet block. | 07-23-2009 |
| 20090184046 | Flat membrane element and manufacturing method thereof - Even when a membrane sheet contains an inorganic material, the membrane sheet and a support plate are properly deposited by a laser emission. In a manufacturing method of a flat membrane element lapping a membrane sheet performing solid-liquid separation on a support plate supporting the membrane sheet and emitting a laser to a mutual joint portion to deposit the membrane sheet and the support plate, when the membrane sheet contains an inorganic material, the support plate is formed by a material having laser penetration and the laser is emitted from the support plate side to the joint portion. | 07-23-2009 |
| 20090162860 | Method of nucleic acid sequence detection and nucleic acid sequence detection substrate - According to an aspect of the present invention, a pair of oligonucleotide strands are anchored onto the surface of a substrate by immobilizing one of the ends thereof onto the substrate. Each of the immobilized oligonucleotide strands is bound to a target nucleic acid sequence (single-stranded) having complementary sequences thereto to form a cross-linked structure on the substrate, thereby forming a finely reticulated space. Ligands are captured by this reticulated space through physical adsorption and caused to color with active substances reactive to the ligands. As a result of this, the present invention is capable of highly sensitively detecting even an exceedingly small concentration of a particular target nucleic acid sequence to be detected, at low cost and for a short time. | 06-25-2009 |
| 20090144008 | Filler metal installation position checking method and filler metal installation position checking system - The present invention is a filler metal installation position checking method and a filler metal installation position checking system for confirming difference between installation position and designed position of a filler metal embedded in a wall surface. A standard surface target | 06-04-2009 |
| 20090142785 | Capturing carrier, capturing device, analysis system using the same, and method for capturing and testing microorganisms - In order to make a process of capturing and testing air-borne microorganisms more convenient and quick, a capturing device which comprises the capturing carrier comprising a polymer which is in a gel phase at the time of capturing the microorganisms but undergoes a phase transition under heating to a sol phase at the temperature at or less than 40° C. (especially in the temperature range between 15° C. and 37° C.), and a vessel to contain the capturing carrier is used. Further, by comprising a test reagent in the polymer, the test reagent can be eluted upon said phase transition from a gel phase to a sol phase. By heating the capturing carrier, a phase transition to a sol phase can occur at or less than 40° C. As such, since recovery of microorganisms and addition of a test reagent to the microorganisms can be carried out simultaneously, the process can be simplified and the process time can be shortened. | 06-04-2009 |
| 20090085722 | CABLE INSTALLATIN SUPPORT SYSTEM, TERMINAL BLOCK PLATE AND CABLE INSTALLATION SUPPORT METHOD - Provided is a cable installation support system capable of saving the labor of, and speeding up, work and check work while eliminating human error. A terminal block is provided with terminals with a fixed pitch, and a terminal block cover provided with RFIDs with the same pitch as the pitch of the terminals of the terminal block is attached to the terminal block. A terminal is provided with an RFID reader that reads identification information stored in the RFIDs. Also, in the terminal, identification information in RFID tags attached to core wires of a cable and terminals to which the core wires are attached are associated with each other, and predetermined RFIDs attached to the terminal block cover and the respective terminals of the terminal block are associated with each other. When an RFID tag and an RFID in the terminal block cover are read by the RFID reader, the terminal determines whether or not the core wire is connected to a correct terminal, based on the associated information. | 04-02-2009 |
| 20090025761 | ULTRASONIC CLEANING APPARATUS - An ultrasonic cleaning apparatus which performs ultrasonic cleaning of a contamination attached to a surface of an object to be cleaned, by using a cleaning liquid to which ultrasonic waves are applied has a cleaning bath pooling the cleaning liquid, a support base on which the object to be cleaned is supported in the cleaning liquid, ultrasonic wave generation device for alternately focusing first ultrasonic waves having a frequency of 1 to 10 MHz and second ultrasonic waves having a frequency equal to or lower than ½ of that of the first ultrasonic waves toward the object to be cleaned, a focus position adjustment device of adjusting the distance between a focus position for the focus and the surface of the object to be cleaned, and moving device of moving at least any one of the ultrasonic wave generation device and the support base so that the effect on the surface of the object to be cleaned of the ultrasonic waves generated by the ultrasonic wave generation device is uniform. | 01-29-2009 |
| 20090014514 | Image Data Recording Method, Method of Recording Finished Work by Image Data, Image Data Recording Apparatus, and Finished Work Recording System Using Image Data - There is provided a method of recording an image by causing a subject to truly coincide with data relating to the subject. In a finished work recording method using image data by obtaining a product to be recorded and work contents to the product to be recorded as a work recording image, RFID tags | 01-15-2009 |
| 20090008326 | METHOD AND APPARATUS FOR COLLECTING BACTERIAL CELLS, METHOD FOR ACCLIMATIZING BACTERIAL CELLS, AND WASTEWATER TREATMENT EQUIPMENT - A method for collecting bacterial cells includes feeding water to be treated containing ammonium and nitrite to an anaerobic ammonium oxidation vessel to denitrify ammonium and nitrite by anaerobic ammonium oxidizing bacteria for forming denitrified treated water, feeding the denitrified treated water to a precipitation vessel or membrane separation unit to collect anaerobic ammonium oxidizing bacteria in the denitrified treated water in a separated sludge obtained by solid-liquid separation in the precipitation vessel or membrane separation in the membrane separation unit, and optionally returning the denitrified treated water from the precipitation vessel or membrane separation unit to the anaerobic ammonium oxidation vessel. | 01-08-2009 |
| 20090008315 | METHOD AND APPARATUS FOR COLLECTING BACTERIAL CELLS, METHOD FOR ACCLIMATIZING BACTERIAL CELLS, AND WASTEWATER TREATMENT EQUIPMENT - Equipment for treating wastewater by anaerobic ammonium oxidation includes an anaerobic ammonium oxidation vessel to receive water to be treated containing ammonium and nitrite and to denitrify ammonium and nitrite in the water by anaerobic ammonium oxidizing bacteria, forming denitrified treated water, an acclimatization vessel downstream from the anaerobic ammonium oxidation vessel to receive the denitrified treated water from the anaerobic ammonium oxidation vessel, the acclimization vessel containing an immobilizing material that collects the anaerobic ammonium oxidizing bacteria in the denitrified treated water as immobilized microorganisms attached to the immobilizing material, wherein the acclimatization vessel has a structure such that the immobilizing material is prevented from flowing out of the acclimatization vessel, and a pipe connecting the acclimatization vessel to the anaerobic ammonium oxidation vessel. | 01-08-2009 |
| 20090008314 | METHOD AND APPARATUS FOR COLLECTING BACTERIAL CELLS, METHOD FOR ACCLIMATIZING BACTERIAL CELLS, AND WASTEWATER TREATMENT EQUIPMENT - Equipment for treating wastewater by anaerobic ammonium oxidation includes an anaerobic ammonium oxidation vessel to receive water to be treated containing ammonium and nitrite and to denitrify ammonium and nitrite by anaerobic ammonium oxidizing bacteria, forming denitrified treated water, a precipitation vessel or membrane separation unit downstream from the anaerobic ammonium oxidation vessel to receive the denitrified treated water from the anaerobic ammonium oxidation vessel, the precipitation vessel or membrane separation unit containing a separated sludge that collects the anaerobic ammonium oxidizing bacteria in the denitrified treated water in the separated sludge, wherein the separated sludge is obtained by solid-liquid separation in the precipitation vessel or membrane separation in the membrane separation unit, wherein the precipitation vessel or membrane separation unit has a structure such that the separated sludge is prevented from flowing out of the precipitation vessel or the membrane separation unit, and a pipe connecting the precipitation vessel or the membrane separation unit to the anaerobic ammonium oxidation vessel. | 01-08-2009 |
| 20080311016 | Process for disposing waste gas comprising sulfur oxides and apparatus thereof - A method for enlarging the particle diameters of sulfuric acid mists in waste gas and collecting the sulfuric acid mists in high efficiency is provided. A process for disposing waste gas containing sulfur oxides that introduces the waste gas in dry type electrostatic precipitator to remove dusts and then introduces the waste gas in a wet desulfurization apparatus to carry out desulfurization, wherein the waste gas temperature of a smoke channel at a more upstream side than the wet desulfurization apparatus is measured, the flow channel length is variable based on the measurement value of the waste gas temperature, the waste gas is flown to a flow channel means that is adjusted at a channel length capable of cooling the waste gas to the dew point of acid by heat release and then, the waste gas is introduced into the wet desulfurization apparatus. | 12-18-2008 |
| 20080286846 | Method and equipment for treating microcystin-containing water - The method for treating microcystin-containing water which detoxifies microcystin in the microcystin-containing water, the method comprises the step of: bringing the microcystin-containing water into contact with a | 11-20-2008 |
| 20080280352 | Method and equipment for cultivating anaerobic ammonium-oxidizing bacteria - The present invention can feed substrates without waste to generate seed sludge with high bacterial cell concentrations and can start up operation within a short time, in cultivating anaerobic ammonium oxidizing bacteria with ammonium and nitrite as substrates. Equipment for cultivating anaerobic ammonium-oxidizing bacteria, which cultivates, in a cultivation tank, novel anaerobic ammonium-oxidizing bacteria that anaerobically denitrify nitrite and ammonium used as substrates, comprises an ammonium feed device which feeds ammonium at a given concentration into the cultivation tank, a nitrite feed device which feeds nitrite at a given concentration into the cultivation tank, and a control device which controls a feed rate Y of the substrate. | 11-13-2008 |
| 20080279680 | Multistage Centrifugal Compressor - A multistage centrifugal compressor includes a rotary shaft, and multistage impellers attached to the rotary shaft. Each of the impellers includes a hub, a shroud and blades therebetween in a radial cascade arrangement. An annular suction passage for guiding the fluid flow from the inward radial direction to a blade inlet is disposed upstream of the centrifugal impeller. A diffuser is disposed downstream of the centrifugal impeller. A bend portion is disposed downstream of the diffuser, and a return channel with a guide blade portion is disposed downstream of the bend portion. The annular suction passage at a hub side includes an axial parallel portion. | 11-13-2008 |
| 20080216659 | Water-flowing mechanism of wet type electrostatic precipitator - The present invention provides a water-flowing mechanism in a wet type electrostatic precipitator that can stably and quickly form a water film on a dust-collecting plate even at the beginning of the operation and that has an excellent adjusting function of a supplying flow-rate of washing liquid. The present invention includes a dust-collecting plate, a washing liquid supplying source to wet the dust-collecting plate, and a cylindrical member that is opened according to the shape of the upper end face of the dust-collecting plate and into which the washing liquid supplying source is inserted, wherein the horizontal cross-section of the dust-collecting plate is formed in a corrugated shape, and the lower opening of the cylindrical member is formed in a corrugated shape according to the dust-collecting plate. | 09-11-2008 |
| 20080216658 | Wet-type electrostatic precipitator - The present invention provides a wet-type electrostatic precipitator that can prevent the corrosion of a discharge electrode even if a gas to be treated containing a corrosive mist is treated. In a wet-type electrostatic precipitator having a discharge electrode | 09-11-2008 |
| 20080199378 | Process for disposing waste gas comprising sulfur oxides and apparatus thereof - A method for enlarging the particle diameters of sulfuric acid mists in waste gas and collecting the sulfuric acid mists in high efficiency is provided. A process for disposing waste gas containing sulfur oxides that introduces the waste gas in dry type electrostatic precipitator to remove dusts and then introduces the waste gas in a wet desulfurization apparatus to carry out desulfurization, wherein outside air with a flow rate at which the waste gas introduced in the wet desulfurization apparatus is the dew point of acid is taken in from an introducing tube to mix the outside air in the waste gas. | 08-21-2008 |
