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Kenichi Suzuki

Kenichi Suzuki, Tokyo JP

Patent application numberDescriptionPublished
20090054626CRUSTACEAN-DERIVED PROTEIN HAVING ANTIFREEZE ACTIVITY - A crustacean-derived protein having antifreeze activity which under reduced conditions has a molecular weight, as measured by sodium dodecyl sulfate (SDS)—polyacrylamide gel electrophoresis, of about 37,000, about 16,000, and/or about 15,400; and the N-terminal amino acids are indicated by SEQ ID No. 1 or SEQ ID No. 2.02-26-2009
20090092469SUBSTRATE PROCESSING UNIT, SUBSTRATE TRANSFER METHOD, SUBSTRATE CLEANSING PROCESS UNIT, AND SUBSTRATE PLATING APPARATUS - To provide a substrate processing unit, a substrate transfer method, a substrate cleansing process unit, and a substrate plating apparatus that make it possible for a substrate carry-in mechanism such as a robot arm to quickly release hold on the substrate after carrying in the substrate so as to shorten the time for holding the substrate and improve throughput. The substrate processing unit 04-09-2009
20090136649PROTEIN HAVING ICE NUCLEATION ACTIVITY - A crustacean-derived protein, as measured by sodium dodecyl sulfate (SDS)-polyacrylamide gel electrophoresis, displays a non-reduced band of a molecular weight of about 200,000, displays reduced-form bands at about 86,000 and 90,000 molecular weights, and has N-terminal amino acids as indicated by SEQ ID No. 1 or SEQ ID No. 2.05-28-2009
20090206035Vinylidene Fluoride Resin Hollow Filament Porous Membrane, Water Filtration Method Using the Same, and Process for Producing Said Vinylidene Fluoride Resin Hollow Filament Porous Membrane - A hollow-fiber porous membrane, comprising a hollow fiber-form porous membrane in a network texture of vinylidene fluoride resin showing a pore size distribution in a direction of its membrane thickness including an outer surface-average pore size P1 as measured by a scanning electron microscope and a membrane layer-average pore size P2 as measured by half-dry method giving a ratio P1/P2 of at least 2.5. The hollow-fiber porous membrane is excellent in long-term water filtration performance including efficiency of regeneration by air scrubbing. The hollow-fiber porous membrane is produced through a process, wherein a mixture of vinylidene fluoride resin, a plasticizer and a good solvent for vinylidene fluoride resin, is melt-extruded in a hollow-fiber film and cooled and formed into a solidified film within a cooling medium containing at least a certain proportion of a good solvent for vinylidene fluoride resin.08-20-2009
20090261034Vinylidene Fluoride Resin Hollow Fiber Porous Membrane and Method for Production Thereof - A hollow-fiber porous membrane comprising a hollow-fiber form of vinylidene fluoride resin and satisfying the following properties (A) and (B), is provided as a hollow-fiber porous membrane of vinylidene fluoride resin having an average pore size and a further uniform pore size distribution (A) and a large water permeation rate regardless of good efficiency of blocking minute particles (bacteria) (B), as represented by: (A) a ratio Pmax (1 m)/Pm of at most 4.0 between a maximum pore size Pmax (1 m) measured at a test length of 1 m according to the bubble point method and an average pore size Pm of 0.05-0.20 μm measured according to the half dry method; and (B) a ratio F (L=200 mm, v=70%)/PM10-22-2009
20110064094SIGNAL PROCESSING APPARATUS AND METHOD, RECORDING MEDIUM AND PROGRAM - A signal processing apparatus capable of minimizing the required processing so that a data packet containing a described discontinuity information table can be inserted preferably in a transport stream (partial stream). In this apparatus, a stream layer model storage has a model of the table to be stored in a DIT (Discontinuity Information Table) packet indicating a discontinuity point of a stream layer. A DIT packet insertion controller refers to the information set in an insertion timing setting register and, upon arrival of the timing to insert the DIT packet, the information preset in a description contents setting register is inserted into the model to thereby generate the DIT packet, and then the generated packet is inserted at the discontinuity point of the transport stream (partial stream).03-17-2011
20110094442SUBSTRATE HOLDING APPARATUS, SUBSTRATE HOLDING METHOD, AND SUBSTRATE PROCESSING APPARATUS - A substrate holding apparatus can meet the request for a smaller-sized compact apparatus while ensuring a sufficient immersion depth of a substrate in a processing liquid. The substrate holding apparatus includes: a substrate holder for supporting a substrate (W) by bringing a peripheral portion of a surface of the substrate (W) into contact with a first sealing member; and a substrate pressing section for lowering relative to the substrate holder so as to press the substrate (W) held by the substrate holder downward, thereby bringing a first sealing member into pressure contact with the substrate (W). The substrate pressing section is provided with a second ring-shaped sealing member which makes pressure contact with an upper surface of a ring-shaped holding section of the substrate holder, thereby sealing the peripheral region of the substrate pressing section.04-28-2011
20120141246SUBSTRATE HOLDING APPARATUS, SUBSTRATE HOLDING METHOD, AND SUBSTRATE PROCESSING APPARATUS - A substrate holding apparatus can meet the request for a smaller-sized compact apparatus while ensuring a sufficient immersion depth of a substrate in a processing liquid. The substrate holding apparatus includes: a substrate holder for supporting a substrate (W) by bringing a peripheral portion of a surface of the substrate (W) into contact with a first sealing member; and a substrate pressing section for lowering relative to the substrate holder so as to press the substrate (W) held by the substrate holder downward, thereby bringing a first sealing member into pressure contact with the substrate (W). The substrate pressing section is provided with a second ring-shaped sealing member which makes pressure contact with an upper surface of a ring-shaped holding section of the substrate holder, thereby sealing the peripheral region of the substrate pressing section.06-07-2012
20120308356SUBSTRATE PROCESSING APPARATUS, SUBSTRATE TRANSFER METHOD AND SUBSTRATE TRANSFER DEVICE - A substrate processing apparatus can prevent photo-corrosion of, e.g., copper interconnects due to exposure of a surface to be processed of a substrate to light, and can perform processing, such as cleaning, of a substrate surface while preventing photo-corrosion of, e.g., copper interconnects due to exposure to light. The substrate processing apparatus includes a plurality of processing areas housing therein processing units which have been subjected to light shielding processing; and at least one transfer area housing therein a transfer robot and disposed between two adjacent ones of the plurality of processing areas. A light shielding wall is provided between the transfer area and each of the two adjacent processing areas, and a light-shielding maintenance door is provided for the front opening of the transfer area. The processing units are coupled to the light shielding walls in a light-shielding manner.12-06-2012

Patent applications by Kenichi Suzuki, Tokyo JP

Kenichi Suzuki, Shizuoka JP

Patent application numberDescriptionPublished
20090046963MAGNETIC BEARING DEVICE - A magnetic bearing device includes a main shaft (02-19-2009
20090127956MOTOR BUILT-IN MAGNETIC BEARING DEVICE - The device includes a rolling bearing unit supporting a radial load and a magnetic bearing unit supporting an axial load and/or a bearing preload; an electromagnet fitted to a spindle housing so as to confront, on a non-contact basis, a flange shaped thrust plate mounted on a main shaft; a motor rotor of a motor for driving the shaft, and a motor stator opposed to the rotor, the shaft being driven by magnetic or Lorentz forces developed between the rotor and the stator; and a sensor detecting an axial force acting on the bearing unit, and a controller controlling the electromagnet. In this device, the stiffness of a composite spring formed by the bearing unit and a support system for the bearing unit is chosen to be higher than the negative stiffness of a composite spring of a motor part comprised of the electromagnet and the motor.05-21-2009
20110034859IONTOPHORESIS PREPARATION FOR TREATING BREAST CANCER AND/OR MASTITIS - Provided is to enhance the therapeutic effect of an iontophoretic preparation for treatment of breast cancer or mastitis.02-10-2011
20110243759CENTRIFUGAL PUMP APPARATUS - A centrifugal blood pump apparatus includes an impeller provided in a blood chamber, a permanent magnet provided in one surface of the impeller, a permanent magnet provided in an inner wall of the blood chamber, a permanent magnet provided in the other surface of the impeller, and a magnetic material and a coil provided in a motor chamber for driving the impeller to rotate via a diaphragm. Grooves for hydrodynamic bearing are formed in the diaphragm facing the impeller, and in the inner wall of the blood chamber, respectively. As a result, the impeller can be smoothly activated to drive by controlling a coil current.10-06-2011
20110318203CENTRIFUGAL PUMP APPARATUS - In this centrifugal blood pump apparatus, one permanent magnet is provided in one surface of an impeller, a second permanent magnet is provided in an inner wall of a blood chamber, a third permanent magnet is provided in the other surface of the impeller, and a fourth permanent magnet and a rotor for driving the impeller to rotate are provided, with an diaphragm being interposed. An amount of change in attractive force between the first permanent magnet and the second permanent magnet and an amount of change in attractive force between the third and fourth permanent magnets when the impeller is eccentric are made substantially equal to each other. Therefore, a levitation position of the impeller can always be maintained at a substantially central position in a housing.12-29-2011
20120003108CENTRIFUGAL PUMP APPARATUS - A centrifugal blood pump apparatus includes an impeller provided in a blood chamber, first and second permanent magnets provided in one surface and the other surface of the impeller respectively, a third permanent magnet provided in an inner wall of the blood chamber, and a magnetic element and a coil for driving the impeller to rotate with a diaphragm being interposed. First and second grooves for hydrodynamic bearing different in shape and depth from each other are formed in the inner wall of the blood chamber facing the impeller, and third and fourth grooves for hydrodynamic bearing different in shape and depth from each other are formed in the diaphragm facing the impeller. The second and fourth grooves for hydrodynamic bearing generate high hydrodynamic pressure when the impeller is activated to rotate, while the first and third grooves for hydrodynamic bearing generate high hydrodynamic pressure when the impeller steadily rotates.01-05-2012

Patent applications by Kenichi Suzuki, Shizuoka JP

Kenichi Suzuki, Sodegaura-Shi JP

Patent application numberDescriptionPublished
20100196525METHOD AND APPARATUS FOR MANUFACTURING NONWOVEN FABRIC - The invention provides a method for manufacturing spun-bonded nonwoven fabrics that can reduce the diameter of a filament without decreasing productivity and can stably produce nonwoven fabrics, comprising: quenching a multiple number of continuous melt-spun filaments through spinning nozzles with quench air fed to a quenching chamber, drawing the filaments, and depositing the filaments on a moving collector surface, wherein the quench air fed to the quenching chamber is divided into at least 2 streams in vertical direction, and an air velocity of the quench air in the lowermost stream is set higher than that of the 50 quench air in the uppermost stream. The invention also provides an apparatus for manufacturing spun-bonded nonwoven fabrics, wherein quench air fed to the quenching chamber is divided into at least 2 streams in the vertical direction, wherein the velocities of the quench air are independently controllable in the respective streams.08-05-2010
20110022014EXTENSIBLE NONWOVEN FABRIC AND COMPOSITE NONWOVEN FABRIC COMPRISING SAME - An extensible nonwoven fabric comprises a fiber comprising at least two olefin-based polymers. These olefin-based polymers are of the same kind and have different induction periods of strain-induced crystallization as measured at the same temperature and shear strain rate. A composite nonwoven fabric of the invention comprises at least one layer comprising the extensible nonwoven fabric.01-27-2011

Patent applications by Kenichi Suzuki, Sodegaura-Shi JP

Kenichi Suzuki, Chiba JP

Patent application numberDescriptionPublished
20100093244MIXED-FIBER NONWOVEN FABRIC LAMINATE - An object of the present invention is to develop a mixed-fiber nonwoven fabric laminate being excellent in strechability, flexibility, touch feeling, and formability and being less sticky.04-15-2010
20100105273NON-WOVEN FABRIC LAMINATE - An object of the present invention is to develop a non-woven fabric laminate that is excellent in stretchability, flexibility, and bulkiness, and that is less sticky and is suitable for a mechanical fastening female material.04-29-2010
20100292662ECCENTRIC HOLLOW CONJUGATED CONTINUOUS FIBER, CONTINUOUS-FIBER NONWOVEN FABRIC MADE THEREFROM, AND USES THEREOF - There is provided a continuous-fiber nonwoven fabric excellent in terms of bulkiness, flexibility, and shape stability. The continuous-fiber nonwoven fabric comprises eccentric hollow conjugated continuous fiber containing a part (A), a part containing a higher melting-point thermoplastic resin (A), and a part (B), a part containing a lower melting-point thermoplastic resin (B), the parts (A) and (B) having been bonded to each other in a side by side arrangement, wherein the difference in melting point between the higher melting-point thermoplastic resin (A) and the lower melting-point thermoplastic resin (B) is 5° C. or greater, the eccentric hollow conjugated continuous fiber has a part (A):part (B) proportion in the range of 5 to 30 weight %:95 to 70 weight %, the eccentric hollow conjugated continuous fiber has a cross-section in which the thickness (a) of the part (A) is smaller than the thickness (b) of the part (B), and the eccentric hollow conjugated continuous fiber has been crimped.11-18-2010
20110136402CONTINUOUS FIBER NONWOVEN FABRIC - The invention has an object of providing a continuous fiber nonwoven fabric including a hollow fiber having excellent strength, in particular mono-filament strength, and having high hollowness even when formed to a fine filament.06-09-2011

Patent applications by Kenichi Suzuki, Chiba JP

Kenichi Suzuki, Kanagawa JP

Patent application numberDescriptionPublished
20090090065Window Regulator - [Problem] To provide a window regulator including a wire sag compensating mechanism which prevents an outer tube from being disengaged from guide means.04-09-2009
20090252460OPTICAL CONNECTOR AND METHOD OF ATTACHING OPTICAL FIBER CORD TO OPTICAL CONNECTOR - An optical connector has a simple structure and a method of attaching an optical fiber cord to the connector is easy. The connector 10-08-2009
20090315402AC-DC CONVERSION DEVICE - In order to provide an AC-DC conversion device which is capable of making a small-sized, inexpensive system even in a case of an instantaneous voltage reduction capacity compensation capacity >> a load leveling capacity. The conversion device is constituted by connecting a fast switch between the commercial power source and the load and by connecting a PCS including a power storage unit, an AC-DC converter, and a linking transformer between the fast switch and the load. A part of a capacity constituting the power storage unit is constituted by an NaS battery and most of the reminder of the capacity is constituted by electric double layer capacitors.12-24-2009
20100007211CONTROL DEVICE AND CONTROL METHOD FOR POWER CONVERSION SYSTEM HAVING INSTANTANEOUS VOLTAGE DROP - SERVICE INTERRUPTION COUNTER-MEASURE FUNCTIONS - [Task] In a power conversion system, a variation in PCS alternating current voltage is suppressed during a change operation to a self-contained run according to an instantaneous voltage drop-service interruption.01-14-2010
20100171338SLIDE DECK DEVICE FOR VEHICLE - A slide deck device for a vehicle is provided wherein a luggage placement plate can be operated to slide smoothly even if heavy luggage is placed on the front or rear end of the luggage placement plate and also wherein no adverse effect occurs in subsequent sliding operations.07-08-2010
20100283279SLIDE DECK DEVICE FOR VEHICLE - This invention provides a slide deck device, for a vehicle, which prevents a slide deck from rattling with respect to a floor surface of a vehicle even if an upward load is applied to the side deck in a state where the slide deck is completely drawn into the vehicle.11-11-2010

Patent applications by Kenichi Suzuki, Kanagawa JP

Kenichi Suzuki, Gunma JP

Patent application numberDescriptionPublished
20080223053Air Conditioner - An air conditioner includes a fixed displacement-type first compression mechanism and a variable displacement-type second compression mechanism independent from each other in a refrigeration cycle, and further includes second compression mechanism displacement control means, compression mechanism operation switching control means, an evaporator for refrigerant, a condenser, a blower, evaporator temperature detection means, and evaporator target temperature calculation means. When the refrigeration cycle is operated only by the first compression mechanism, referring to a temperature (Teva) detected by the evaporator temperature detection means, a temperature (Toff) calculated by the evaporator target temperature calculation means and a predetermined value A, if a condition of Teva−Toff≧A is satisfied, both compression mechanisms are operated simultaneously. The condition of required cooling ability is properly determined, an optimum control for air conditioning is realized, and the loss of consumption power and the like can be adequately suppressed.09-18-2008
20080223058Air Conditioner - An air conditioner having in a refrigeration cycle a fixed displacement-type first compression mechanism and a variable displacement-type second compression mechanism independent from each other, and having second compression mechanism displacement control means, compression mechanism operation switching control means, an evaporator for refrigerant, a condenser, a blower, and second compression mechanism feedforward compression displacement calculation means, wherein the compression displacement calculation means calculates the compression displacements during sole operation of the second compression mechanism and during simultaneous operation of the first and second compression mechanisms by using calculating equations different from each other. By carrying out optimum feedforward or/and feedback control in any of different operation conditions, stable adequate air-conditioning control is possible for required cooling performance.09-18-2008
20100236265AIR CONDITIONER FOR VEHICLE - An air conditioner for a vehicle comprises a refrigeration cycle including a variable displacement compressor for refrigerant which uses an engine as a drive source, a condenser, and an evaporator, a displacement adjustment means for outputting a displacement control signal to the compressor, and a compressor torque calculation means for calculating the torque of the compressor. The compressor torque calculation means includes at least two torque estimation means of a saturation region torque estimation means corresponding to a case where the compressor is driven at a maximum discharge displacement and a displacement control region torque estimation means corresponding to a case where it is driven at a discharge displacement other than the maximum discharge displacement, and also includes a correction means for correcting the calculation of the torque of the compressor when a change in engine rotational speed greater than a set value is detected. Even when the engine rotational speed changes rapidly, the torque of the compressor in the refrigeration cycle can be precisely calculated.09-23-2010

Kenichi Suzuki, Iwata-Shi JP

Patent application numberDescriptionPublished
20100221130BLOOD PUMP APPARATUS - A blood pump apparatus comprises a housing, a centrifugal pump section including an impeller and rotating inside the housing to feed a fluid by a centrifugal force, an impeller rotational torque generation section for attracting thereto said impeller and rotating said impeller; and a plurality of grooves for hydrodynamic bearing provided on an inner surface of said housing at a side of said impeller rotational torque generation section, each of the grooves for hydrodynamic bearing having a first side and a second side both extending from a periphery of said portion in which a groove for hydrodynamic bearing is formed toward a central side thereof and opposed to each other, a third side connecting one end of said first side and one end of said second side to each other, and a fourth side connecting said other end of said first side and said other end of said second side to each other; said first side and said second side are formed as a circular arc respectively in such a way that centers of said circular arcs are different from each other.09-02-2010
20110262891Microinjection apparatus and microinjection method - A microinjection apparatus is designed to introduce the transfecting material into the transductant by inserting a minute injection needle (10-27-2011
20120130152ROTATION DRIVE DEVICE AND CENTRIFUGAL PUMP APPARATUS USING THE SAME - A centrifugal blood pump apparatus includes an impeller provided in a blood chamber, a plurality of permanent magnets provided in the impeller, and a plurality of sets of magnetic materials and coils provided in a motor chamber for driving the impeller to rotate with a diaphragm interposed therebetween. The plurality of permanent magnets are aligned with a gap therebetween in a rotation direction of the impeller. Accordingly, if the weight of the permanent magnets is maintained at a constant value, a magnetic field can be strengthened even with a wide motor gap due to the diaphragm, as compared to an example where there is no gap between the permanent magnets.05-24-2012
20120308363CENTRIFUGAL PUMP APPARATUS - This centrifugal blood pump apparatus includes an impeller provided in a blood chamber, a permanent magnet provided in one surface of the impeller, and a permanent magnet provided in an inner wall of the blood chamber, for attracting the permanent magnet. A centerline of the permanent magnet is arranged at a position different from that of a centerline of a sidewall of the blood chamber such that a rotation centerline of the impeller matches the centerline of the sidewall of the blood chamber during pump operation. Therefore, high torque transmission efficiency is obtained.12-06-2012

Patent applications by Kenichi Suzuki, Iwata-Shi JP

Kenichi Suzuki, Toyohashi-Shi JP

Patent application numberDescriptionPublished
20090104525Secondary battery and manufacturing method thereof - In a secondary battery, a positive metal foil having a laminated portion in which parts of the metal foil are laminated in close contact with each other, and a positive electrode current collector terminal member has a contact portion placed in close contact with at least one side of the positive foil laminated portion in a lamination direction thereof The secondary battery is manufactured by welding the parts of the positive metal foil to each other and the positive foil laminated portion and the contact portion to each other by irradiation of an energy beam emitted to travel in the lamination direction while an irradiation site is moved.04-23-2009
20100140228Resistance welding quality determination method and resistance welding quality determination apparatus - A resistance welding quality determination method comprises: a step of detecting a voltage value applied to a welding electrode of a resistance welding machine; a step of detecting a current value supplied to the welding electrode; a step of calculating a welding resistance value based on the voltage value and the current value; a step of correcting the welding resistance value based on a change amount of a contact resistance value between the work and the welding electrode during welding of a work; and a step of determining welding quality of the work based on a corrected welding resistance value obtained by correcting the welding resistance value.06-10-2010
20100154205Battery and method of producing the same - A battery having an electrode unit in which edges of electrode plates are mechanically and electrically connected to a fixing and conducting plate is obtained. A projection is formed at an edge of each electrode plate, and projections are inserted into a grove formed on the fixing and conducting plate. Energy beam is radiated to the fixing and conducting plate along a wall defining the groove, and metal forming the groove is melted and fills a gap between the projection and the groove. The filling metal is solidified at a condition that the melted metal surrounds the projection. The electrode plate is firmly connected to the fixing and conducting plate by a combination of the projection and the surrounding metal. The electrode plates are stably maintained at a positional relationship that the electrode plates extend parallel with each other leaving a gap between adjacent electrode plates, and the electrode plates are connected to the fixing and conducting plate with a reliable electric conductivity.06-24-2010

Patent applications by Kenichi Suzuki, Toyohashi-Shi JP

Kenichi Suzuki, Nagoya-Shi JP

Patent application numberDescriptionPublished
20100080690HYDRAULIC PUMP - A hydraulic pump includes a housing including an inlet port, an outlet port, and a fluid chamber, a shaft fixed to the housing, a rotor including an impeller portion that rotates relative to the shaft, the impeller portion suctioning and discharging a fluid, a fixed portion provided at the housing and made of an aluminum alloy, the fixed portion securing the shaft, a short-circuit portion provided at the shaft and made of a stainless steel having a nitrided layer at a surface, the short-circuit portion being supplied with a protection current from the fixed portion by galvanically making contact with the fixed portion, and a support portion rotatably supporting the rotor and formed by extending from the short-circuit portion, an outer peripheral surface of the support portion being covered with an amorphous carbon film of which a main component is carbon and which includes silicon.04-01-2010

Kenichi Suzuki, Ichihara-Shi JP

Patent application numberDescriptionPublished
20080287027POLYPROPYLENE NONWOVEN FABRIC AND USE THEREOF - A polypropylene based nonwoven fabric is excellent in surface appearance and stretch properties and exhibits a small residual strain and excellent adhesiveness to polyolefins. The nonwoven fabric is obtained by forming a polypropylene resin composition comprising 1 to 40 weight parts of (i) an isotactic polypropylene, and 60 to 99 weight parts of (ii) a propylene/ethylene/α-olefin copolymer obtained by copolymerizing 45 to 89 mole % of propylene, 10 to 25 mole % of ethylene and the balance of α-olefin having 4 to 20 carbon atoms (with the proviso that the copolymerized amount of the α-olefin having 4 to 20 carbon atoms does not exceed 30 mole %), characterized by a small residual strain after stretching at a stretch ratio of 150%. The nonwoven fabric can be effectively used as sanitary materials or the like by virtue of its characteristics including stretch properties.11-20-2008

Kenichi Suzuki, Isesaki-Shi JP

Patent application numberDescriptionPublished
20120125025Refrigeration Cycle - Provided is a refrigeration cycle wherein, when an orifice is disposed within a refrigeration circuit, and a differential pressure between the upstream side and the downstream side of the orifice is detected using two pressure sensors, the difference between the characteristics of the pressure sensors can be adequately and easily absorbed in software, to accurately determine an actual differential pressure, so that the flow rate of refrigerant and the torque of a compressor can be accurately estimated. The refrigeration cycle wherein the orifice is provided within a refrigerant circuit, and the pressure sensors are respectively provided on the upstream side and the downstream side of the orifice, is characterized in that, with regard to output characteristics representing the relationship between the detected pressure and the sensor output of each pressure sensor, the difference between the output characteristics of one pressure sensor and the output characteristics of the other pressure sensor is determined based on the outputs of both pressure sensors at a condition where the flow of refrigerant is stopped.05-24-2012
20120125026Air Conditioning System for Vehicle - Provided is an air conditioning system for vehicles wherein a flow rate of refrigerant used for estimating a compressor torque can be accurately estimated by accurately detecting a difference between pressures at upstream and downstream sides of an orifice, which has a high correlation with the flow rate of refrigerant, and ultimately, the compressor torque can be accurately estimated, and this estimation can be performed while space saving and cost down can be achieved. The air conditioning system for vehicles having a refrigeration cycle provided with a refrigerant compressor, a condenser, a pressure reduction/expansion mechanism and an evaporator is characterized in that an orifice for throttling a refrigerant flow is disposed in a refrigerant path between the condenser and the pressure reduction/expansion mechanism, a pressure difference detection means capable of detecting a difference between pressures at upstream and downstream positions of the orifice is provided, and provided are a refrigerant flow rate estimation means for estimating a refrigerant flow rate with reference to the detected pressure difference and a compressor torque estimation means for estimating a compressor torque with reference to the estimated refrigerant flow rate.05-24-2012
20120125041Refrigeration Cycle - Provided is a refrigeration cycle suitable for an air conditioning system for vehicles, wherein a flow rate of refrigerant which is used to estimate a torque of a compressor can be precisely estimated by accurately detecting a difference between pressures at upstream and downstream sides of an orifice having a high correlation with the refrigerant flow rate, and ultimately, the torque of the compressor can be precisely estimated, and the estimation can be achieved while achieving space saving and cost down. Disclosed is a refrigeration cycle which has a subcool condenser integrally provided with a condensing part for refrigerant, a liquid receiver and a subcooling part, and wherein an orifice for throttling the flow of refrigerant which has passed through the condensing part of the subcool condenser is disposed, a pressure difference detection means capable of detecting a difference between pressures at upstream and downstream sides of the orifice is provided, and provided are a refrigerant flow rate estimation means for estimating a flow rate of the refrigerant with reference to the detected pressure difference and a compressor torque estimation means for estimating a torque of the compressor with reference to the estimated flow rate of the refrigerant.05-24-2012
20120324927AIR CONDITIONING SYSTEM FOR VEHICLES - Disclosed is an air conditioning system for vehicles capable of operating control with a high degree of operating efficiency even in operating states wherein efficiency would be expected to decline, and while adhering to conventional control ideas. The air conditioning system for vehicles comprises a compressor that compresses a refrigerant; a condenser that condenses the compressed refrigerant; an expansion mechanism that expands the condensed refrigerant; an evaporator that evaporates the expanded refrigerant and brings the evaporated refrigerant into contact with air, cooling and dehumidifying the air; a blower that sends the air to the condenser; and a displacement control signal calculation means for determining a displacement control signal, using a displacement control signal calculation formula, which is to be inputted to the compressor from the outside. In the displacement control signal calculation means, a target air temperature at the evaporator exit is inputted, the displacement control signal is determined using the difference between the air temperature and the target air temperature at the evaporator exit when a displacement control signal calculated value is less than or equal to a predetermined value (A), and the displacement control signal is determined from the displacement control signal calculation formula when the displacement control signal calculated value is greater than the predetermined value (A).12-27-2012

Kenichi Suzuki, Ritto-Shi JP

Patent application numberDescriptionPublished
20130030758SHAPE MEASUREMENT DEVICE FOR MACHINE TOOL WORKPIECE - Disclosed is a shape measurement device for a machine tool workpiece that is capable of measuring in a short period of time in comparison to cases using a high precision sensor exclusively and is capable of measuring a prescribed spot with high precision, which is equipped with a wide range sensor (01-31-2013