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Daikin Industries Ltd
Daikin Industries Ltd_20100107
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Daikin Industries Ltd patents

Recent patent applications related to Daikin Industries Ltd. Daikin Industries Ltd is listed as an Agent/Assignee. Note: Daikin Industries Ltd may have other listings under different names/spellings. We're not affiliated with Daikin Industries Ltd, we're just tracking patents.

ARCHIVE: New 2018 2017 2016 2015 2014 2013 2012 2011 2010 2009 | Company Directory "D" | Daikin Industries Ltd-related inventors

Method for producing 1-chloro-2,3,3-trifluoropropene

The present invention provide a method for producing 1-chloro-2,3,3-trifluoropropene (1233yd), comprising the step of dehydrofluorinating 3-chloro-1,1,2,2-tetrafluoropropane (244ca).... Daikin Industries Ltd

Air conditioning system

An air conditioning system has an air conditioner, which includes an outdoor unit and an indoor unit that configure a refrigerant circuit, and a controller, which controls the running of the air conditioner. The controller does not allow operation of the air conditioner to start in a case where a... Daikin Industries Ltd

Air-conditioning control apparatus

An air-conditioning control apparatus includes an away detector, a position acquisition unit, a distance acquisition unit, an instrument control unit, and a learning storage unit. The away detector detects that a user is away from a building. The position acquisition unit acquires position information of a portable terminal carried by... Daikin Industries Ltd

Air-conditioning control apparatus

An air-conditioning control apparatus includes an away detector, a position acquisition unit, a distance acquisition unit, and an instrument control unit. The away detector detects that a user is away from a building. The position acquisition unit acquires position information of a portable terminal carried by the user. The distance... Daikin Industries Ltd

Demand response control result presentation apparatus

A demand response control result presentation apparatus is used in an energy consumption amount management system granting an incentive to a user of a facility device when the facility device performs a demand response control to adjust an energy consumption amount in response to a control request. The demand response... Daikin Industries Ltd

Coating composition and coated article

The present invention provides a coating composition that can provide a coating film excellent in adhesion to a substrate and also excellent in non-adhesiveness, hardness at high temperature, and abrasion resistance. The present invention relates to a coating composition including: non-melt-fabricable polytetrafluoroethylene; a fluorine-containing polymer other than the non-melt-fabricable polytetrafluoroethylene;... Daikin Industries Ltd

Nonwoven fabric

the fluorine-containing polymer is free from repeating units formed from a (meth)acrylate containing a linear or branched hydrocarbon group having at least 18 carbon atoms.... Daikin Industries Ltd

Refrigeration device for container

A gas supply device is configured such that its supply state is switchable between a first supply state supplying, as supply air, nitrogen-enriched air produced from outside air into a containe, and a second supply state in which the gas supply device takes outside air therein and supplies, as supply... Daikin Industries Ltd

Dielectric waveguide line

The present invention provides a dielectric waveguide having excellent transmission efficiency. The dielectric waveguide includes a polytetrafluoroethylene molded article that has a permittivity of 2.05 or higher at 2.45 GHz or 12 GHz, a loss tangent of 1.20×10−4 or lower at 2.45 GHz or 12 GHz, and a hardness of... Daikin Industries Ltd

Composition and molded article

The invention provides a composition capable of providing a molded article that has excellent heat resistance and a small weight change against both fluorine plasma exposure and oxygen plasma exposure during a semiconductor manufacturing step. The composition contains a fluorine-containing polymer and a cage silsesquioxane having a specific structure.... Daikin Industries Ltd

Surface treatment agent

wherein, each of symbols is as defined in the specification, and wherein a proportion of the perfluoro(poly)ether group containing silane compound having a molecular weight of 3,000 or less in the perfluoro(poly)ether group containing silane compounds of any of the above general formulae is 9 mol % or less.... Daikin Industries Ltd

Gas supply device and refrigeration device for container provided with said gas supply device

Disclosed is a gas supply device provided for a container in which a breathing plant is housed. The device supplies nitrogen-enriched air into the container. The device is provided with a malfunction diagnosis section which checks whether each of components of the device works properly or not and specifies a... Daikin Industries Ltd

Hydrophilizing agent, composition containing hydrophilizing agent, and porous polymer film

The invention provides a hydrophilizing agent which is to be added to a polymer having a large contact angle to produce a porous polymer film that has a small contact angle and that can maintain this small contact angle even after 168-hour contact with an aqueous sodium hypochlorite solution. The... Daikin Industries Ltd

Air conditioning device

In an air conditioning device (10) to which an outdoor unit (20) and indoor units (40) are connected, when a flow rate of a gaseous refrigerant in a gas main pipe (72a) is lower than a lower limit flow rate in main pipe, an amount of refrigerating machine oil accumulated... Daikin Industries Ltd

Coating composition, coating film, and laminated body

A coating composition that provides a coating film having better abrasion resistance. The composition includes: a fluororesin; and inorganic particles, the inorganic particles having a new Mohs hardness of 10 or higher and a substantially spherical shape. Also disclosed is a coating film produced from the coating composition and a... Daikin Industries Ltd

Screw compressor

A screw compressor includes a casing, a drive shaft, a screw rotor, a gate rotor, a slide valve, and a slide valve driving mechanism having a hydropneumatic cylinder. The drive shaft has one end supported via a bearing on a bearing holder held by the casing. The other end is... Daikin Industries Ltd


A reactor is provided. The reactor includes a coil and a terminal block that is fixed to conductor wires that led out from both ends in a winding core direction of the coil. The terminal block includes an input-side terminal block that is fixed to an input-side conductor wire that... Daikin Industries Ltd

Heat transfer unit

A heat transfer unit includes: an electrical component casing defining an internal space, the internal space housing a transformer together with a control board and a power supply board; and a cooling unit which cools an electronic component on the power supply board during operation of a compressor.... Daikin Industries Ltd

Methyl fluoride production method

A method for producing methyl fluoride, comprising the steps of: (1) pyrolyzing a starting compound in a gas phase to thereby obtain a mixed gas containing methyl fluoride and acid fluoride; and (2) rectifying the mixed gas obtained in step (1) to thereby obtain methyl fluoride.... Daikin Industries Ltd

Air conditioning device

A multi-type air conditioning device controls an evaporation temperature and a condensing temperature, depending on required capacity of an indoor unit. The air conditioning device compares a current evaporation temperature or condensing temperature with a reference value, of an evaporation temperature or an condensing temperature, corresponding to a lower limit... Daikin Industries Ltd

Heat exchanger assembly and outdoor unit of refrigerating apparatus

A heat exchanger assembly includes a header extending in a longitudinal direction, a plurality of heat transfer tubes aligned along the longitudinal direction of the header and connected to the header, a plurality of fins secured to the heat transfer tubes, a first corrective member and a second corrective member.... Daikin Industries Ltd

Air conditioning indoor unit

An air conditioning indoor unit includes a body, a panel, and a horizontal flap. The body is provided with an air outlet. The panel is positioned to cover the front of the body. The horizontal flap is able to vary the air direction of conditioned air blown out from the... Daikin Industries Ltd


The humidifier includes a humidification section which vaporizes water to produce humidified air, and a fan which produces in an air passage an air flow delivering the humidified air to the outside. The humidifier further includes a sterilized water producing section which produces sterilized water, an ultrasonic irradiator which produces... Daikin Industries Ltd

Filter medium for air filter, filter pack, air filter unit, and producing filter medium for air filter

A filter medium includes first and second porous films mainly containing fluororesin, and a pre-collection member upstream of the first film. The second film is downstream of the first film. The pre-collection member has a pressure drop when air is passed through at a flow rate of 5.3 cm/s of... Daikin Industries Ltd

Water treatment device

A water treatment vessel (10) causes electric discharge in water stored therein to produce a sterilizing factor. The water treatment vessel (10) moves in accordance with the level of water in a reservoir (30) to be switched between a discharging state where the water treatment vessel (10) and the reservoir... Daikin Industries Ltd

Method for removing catalyst used in reaction

Provided is a method for easily and safely removing, from a reactor, a catalyst used in a reaction that is performed using hydrogen fluoride in the presence of the catalyst. In a reaction performed in a reactor containing at least hydrogen fluoride and a catalyst, the catalyst is removed through... Daikin Industries Ltd

Air conditioner

This air conditioner includes an indoor unit having one or more outlets, and an outdoor unit connected to the indoor unit, wherein a flammable refrigerant or a mildly flammable refrigerant is used. The air conditioner includes a refrigerant gas sensor disposed in the indoor unit. When refrigerant gas is detected... Daikin Industries Ltd

Stator, motor and compressor

A stator for a motor of a compressor includes a stator core, insulator, coil, slot insulator, and inter-coil insulator. The stator core has a plurality of tooth portions arrayed circumferentially. The insulator is fitted to axial end faces of the stator core. The coil is wound on the tooth portions.... Daikin Industries Ltd

Modified fluorooxymethylene group-containing perfluoropolyether

wherein each symbols are as defined in the specification.... Daikin Industries Ltd

Water-based surface treatment agent

A surface treatment agent which is an aqueous emulsion containing: (a) a fluorine-free polymer including: (i) repeating units derived from a long-chain (meth)acrylate ester monomer represented by the formula: CH2═CA11-C(═O)—O-A12, wherein A11 is a hydrogen atom or a methyl group, and A12 is a linear or branched aliphatic hydrocarbon group... Daikin Industries Ltd

Scroll compressor

A scroll compressor includes fixed and movable scrolls having a fixed and movable side plates and fixed and movable side laps to form first and second compression chambers. The fixed-side plate includes a discharge port and a relief hole extending from the front face through to the back face. The... Daikin Industries Ltd

Heat exchanger

A heat exchanger includes a plurality of principal heat exchange sections and auxiliary heat exchange sections. Each of the auxiliary heat exchange sections is in series connection to a corresponding one of the principal heat exchange sections. Of tube number ratios of the number of the flat tubes constituting each... Daikin Industries Ltd

Heat exchanger

A heat exchanger includes a plurality of principal heat exchange sections and auxiliary heat exchange sections. Each of the auxiliary heat exchange sections is in series connection to a corresponding one of the principal heat exchange sections. Of tube number ratios of the number of the flat tubes constituting each... Daikin Industries Ltd

Discharge unit

A discharge unit includes a discharge electrode, a counter electrode opposed to the discharge electrode, and an insulation member having a surface. The surface is continuous from the discharge electrode to the counter electrode. A wall portion is provided on one side with respect to a discharge region formed by... Daikin Industries Ltd

Method for producing fluorinated methane

wherein R1 and R2 are identical or different, and each represents a substituted or unsubstituted straight or branched monovalent aliphatic hydrocarbon group, substituted or unsubstituted monovalent aromatic hydrocarbon group, substituted or unsubstituted monovalent cyclic aliphatic hydrocarbon group, hydrogen atom, or halogen atom.... Daikin Industries Ltd

11/23/17 / #20170336085

Regenerative air conditioner

To avoid decline in the efficiency of a compressor at a low load, a thermal storage air conditioner has a refrigerant circuit (11) which has a compressor (22), an outdoor heat exchanger (23), and an indoor heat exchanger (72) and performs a refrigeration cycle, and a thermal storage section (60)... Daikin Industries Ltd

11/23/17 / #20170336092

Air conditioner

A refrigerant gas sensor is typically attached so that an opening for introducing leaked refrigerant gas into the inside faces upward. With this arrangement, however, a small amount of a different gas such as propane and pesticide, which is sucked from the outside of an air conditioner, may be erroneously... Daikin Industries Ltd

11/23/17 / #20170336120

Refrigeration apparatus

An air conditioning apparatus uses R32 as a refrigerant, and includes a compressor, a condenser, an expansion mechanism, an evaporator, an intermediate injection channel, a suction injection channel, a switching mechanism, a branch flow channel, first and second injection opening adjustable valves, an injection heat exchanger, a refrigerant storage tank,... Daikin Industries Ltd

11/16/17 / #20170328620

Air conditioner

An air conditioner which continues driving with a deteriorated gas leakage sensor is provided. An air conditioner of the present invention includes an outdoor unit including a compressor and an indoor unit connected with the outdoor unit and uses flammable refrigerant. The air conditioner includes: a refrigerant gas sensor; and... Daikin Industries Ltd

11/16/17 / #20170328625

Refrigeration container

A failure determiner is provided to perform a failure diagnosis to successively evaluate functions of the refrigerant circuit and components forming the refrigerant circuit for a plurality of evaluation items. If the failure diagnosis is interrupted, the failure determiner has a restarting function to restart the failure diagnosis from an... Daikin Industries Ltd

11/16/17 / #20170329507

Remote control device of heat pump system

A remote control device of a heat pump system is useable to switch an operating state of the heat pump system. The remote control device includes a touch screen and physical keys provided separately from the touch screen. The touch screen is configured and arranged to display a plurality of... Daikin Industries Ltd

11/09/17 / #20170320798

Method for isolating hfc-245cb and (e)-hfo-1234ze from composition containing both compounds

The present invention provides a method for separating HFC-245cb and (E)-HFO-1234ze having close boiling points, i.e., boiling points with only 1° C. difference, by extractive distillation from a composition containing the HFC-245cb and the (E)-HFO-1234ze. More specifically, the present invention is a method for separating HFC-245cb and (E)-HFO-1234ze from a... Daikin Industries Ltd

11/09/17 / #20170321034

Polytetrafluoroethylene composition

The invention provides a polytetrafluoroethylene composition having high flowability. The polytetrafluoroethylene composition contains a particulate polytetrafluoroethylene having fibrillability and a particulate synthetic amorphous silica. The particulate polytetrafluoroethylene is a polytetrafluoroethylene fine powder or a polytetrafluoroethylene molding powder. The particulate synthetic amorphous silica is obtained by a dry process and has... Daikin Industries Ltd

11/09/17 / #20170321939

Air conditioner

Stress to be imposed on a compressor in reverse cycle operation is reduced. A cycle controller causes an outdoor heat exchanger to function as a condenser and an indoor heat exchanger to function as an evaporator when a reverse cycle executing condition is met, so that a refrigerant circulates in... Daikin Industries Ltd

11/09/17 / #20170321940

Air conditioner

An air conditioner of the present invention includes an indoor unit having an upper outlet port and a lower outlet port and uses flammable refrigerant, the air conditioner including: a shutter provided at the lower outlet port and is configured to switch between a blowout capable state in which wind... Daikin Industries Ltd

11/09/17 / #20170324173

Module-terminal block connection structure and connection method

A module-terminal block connection structure includes: a printed wiring board; a terminal block which is disposed on one surface of the printed wiring board and is formed into a three-dimensional shape by a conductive material, the terminal block being fixed to the printed wiring board; a power module which is... Daikin Industries Ltd

11/09/17 / #20170324348

Charge and discharge circuit, control charge and discharge circuit, control device for charge and discharge circuit, and direct power converter

A first capacitor is connected between first and second power supply lines. A reactor is connected in series with the first power supply line or the second power supply line. A single-phase AC voltage is applied to a rectifying circuit. The rectifying circuit, which includes the first capacitor and the... Daikin Industries Ltd

11/02/17 / #20170314527

Fluid system

A control device estimates a flow rate and an effective height difference of a fluid machine based on a characteristic detectable with regard to a rotating electrical machine and correlating with the flow rate and the effective height difference of the fluid machine. A total flow rate in a pipe... Daikin Industries Ltd

11/02/17 / #20170314792

Heat exchanger

A heat exchanger includes a plurality of flat tubes and a coupling header. The flat tubes are disposed in multiple tiers along a predetermined tube tier direction and in multiple rows so as to be adjacent to each other in a tube row direction intersecting the tube tier direction and... Daikin Industries Ltd

11/02/17 / #20170314805

Air-conditioner indoor unit

When a service technician or the like performs maintenance of a mechanism in an indoor unit, the service technician may accidentally detach a refrigerant gas sensor and the refrigerant gas sensor may be broken. To prevent this, communication pipes (regulating members) configured to regulate the detachment of a refrigerant gas... Daikin Industries Ltd

11/02/17 / #20170314815

Preheater for compressor

A preheater for a compressor that is capable of heating a lubricant oil efficiently with smaller power is provided. A preheater for a compressor includes: a capacitive oil surface sensor that is provided at a compressor used in a refrigerating cycle, and detects an oil surface of a lubricant oil... Daikin Industries Ltd

11/02/17 / #20170317549

Stator and motor

A stator includes a stator core and an insulator installed on an axial-direction end surface of the stator core. The stator core has a cylindrical part, a plurality of teeth, and a plurality of windings. The windings are wound around the teeth. Each winding has a first end and a... Daikin Industries Ltd

10/26/17 / #20170307113

Flexible pipe

The present invention provides a flexible pipe having excellent blister resistance in a high-temperature and high-pressure environment even though including a thick resin pipe. The flexible pipe includes a resin pipe having a thickness of greater than 5 mm. The resin pipe is formed from a resin having a CO2... Daikin Industries Ltd

10/26/17 / #20170307232

Indoor unit for air conditioner

A grille is provided at a lower end portion of an air inlet, and covers a central portion of the air inlet to form an inlet opening between an outer peripheral edge of the grille and an opening edge of the air inlet in plan view. A plate member extends... Daikin Industries Ltd

10/26/17 / #20170309412

Electrolyte solution and electrochemical device

The present invention aims to provide an electrolyte solution containing a quaternary ammonium salt as an electrolyte salt and is capable of providing an electrochemical device having a high capacitance retention and reducing generation of gas. The electrolyte solution of the present invention contains a solvent, a quaternary ammonium salt,... Daikin Industries Ltd

10/26/17 / #20170310235

Direct-power-converter control device

A control device includes a charge controller. The charge controller includes an amplitude determining unit, a charge command generating unit, and a charging operation controller. The amplitude determining unit determines an amplitude of a current to be input to a converter by performing at least proportional-integral control on a deviation... Daikin Industries Ltd

10/19/17 / #20170298934

Gear pump and gear motor

A gear pump or a gear motor includes a casing, a helical drive gear, a helical driven gear, a drive-side space, and an idler-side space. The drive and driven gears mesh with each other in the casing to partition inside of the casing so as to include high and low... Daikin Industries Ltd

10/19/17 / #20170299284

Refrigerant diverter

A refrigerant diverter diverts inflowing refrigerant and to cause the refrigerant to flow out to a downstream side. The refrigerant diverter includes a vertically extending diverter case, and a vertically extending rod-shaped rod member disposed inside the diverter case. The diverter case has a plurality of diverting channels disposed along... Daikin Industries Ltd

10/19/17 / #20170301430

Resin composition and moulded article

The present invention aims to provide a resin composition capable of providing a molded article that has high slidability and high impact resistance, as well as excellent tensile strength. The present invention relates to a resin composition containing an aromatic polyether ketone resin (I) and a fluororesin (II). The composition... Daikin Industries Ltd

10/12/17 / #20170292732

Air-conditioning-device indoor unit

Disclosed herein is an indoor unit including: a load detector for detecting a heavy-load area to bear a relatively heavy air-conditioning load during a heating mode of operation and a light-load area to bear a lighter air-conditioning load than the heavy-load area from a perimeter zone of a space to... Daikin Industries Ltd

10/12/17 / #20170292741

Heat exchanger and air conditioning apparatus

A heat exchanger includes a plurality of flat tubes, a header part, and a guide part. An interior of the header part is partitioned into first and second spaces. One end of each of the tubes is connected to the first space. The guide part has a guide space positioned... Daikin Industries Ltd

10/05/17 / #20170281070

Brain activity estimation device

A brain activity estimation device includes a facial skin temperature acquisition element and a brain activity estimation element. The acquisition element detects a skin temperature of at least part of a human face, and acquires facial skin temperature data including detected temperature data and location data of a detection region... Daikin Industries Ltd

10/05/17 / #20170283585

Fluoroelastomer composition and molded article

The invention provides a fluoroelastomer composition excellent in heat resistance. The fluoroelastomer composition of the present invention contains a fluoroelastomer and a specific compound.... Daikin Industries Ltd

10/05/17 / #20170283648

Antifouling article

The present invention provides a novel antifouling article comprising a base material, a diamond-like carbon layer and an antifouling coating layer which is formed on the diamond-like carbon layer from a surface treating agent comprising a perfluoropolyether group-containing compound and having high acid resistant and alkaline resistant.... Daikin Industries Ltd

10/05/17 / #20170284686

Air conditioner construction method

Operation switching units, each changing directions of a refrigerant flowing through its associated indoor unit in response to a switch from a cooling operation to a heating operation, or vice versa, are each connected with the associated indoor unit through indoor communication pipes; a gas-liquid separation unit is connected with... Daikin Industries Ltd

Patent Packs
10/05/17 / #20170288567

Power conversion device

A power converter including a compressor as a load includes a compensation current output (80) allowing compensation current (Ic), which compensates for leakage current (Ia), to flow. A controller (50) receives a detection signal from a rotational speed sensor (55) which senses the rotational speed of the compressor (CM). When... Daikin Industries Ltd

09/28/17 / #20170275220

Process for producing 2-chloro-3,3,3-trifluoropropene

This invention provides a process for producing 2-chloro-3,3,3-trifluoropropene, comprising: reacting anhydrous hydrogen fluoride with at least one chlorine-containing compound selected from the group consisting of chloropropanes and chloropropenes represented by specific formulas in a gas phase in the presence of a chromium atom-containing fluorination catalyst while heating, the reaction being... Daikin Industries Ltd

09/28/17 / #20170275310

Electrolytic solution and novel fluorinated phosphoric acid ester

The present invention provides a novel electrolyte solution capable of providing electrochemical devices having a high storage capacity retention. The electrolyte solution of the present invention contains a fluorinated phosphoric acid ester containing a non-fluorinated alkylene group having one or more carbon atoms as a linking group.... Daikin Industries Ltd

09/28/17 / #20170276392

Indoor unit for air conditioning device

In order to carry out, in a heating operation, an airflow rate adjusting operation in which a reduced amount of conditioned air is blown in one or more of a plurality of blowing directions to increase a blowing speed in the rest of the blowing directions, an operation control section... Daikin Industries Ltd

09/28/17 / #20170276396

Indoor unit for air conditioning device

An indoor unit of an air conditioning system is provided. The indoor unit includes a fan, a control box that includes an inspection port on a first side surface, and a casing that houses the fan and the control box. The casing includes a first flow port in a bottom... Daikin Industries Ltd

09/28/17 / #20170279372

Power converter

A discharge duty that is a duty at which a switch is conductive takes a value obtained by dividing a product of a crest value of a single-phase AC voltage and a square of a cosine value of a phase of the single-phase AC voltage by a both-end voltage across... Daikin Industries Ltd

09/28/17 / #20170279398

Electric power conversion device

An electric power conversion device includes: a converter circuit which includes a boost chopper; a capacitor which is connected between output terminals of the converter circuit; a boost chopper which boosts a terminal voltage of the capacitor; a multiphase inverter circuit; and a boost chopper controller. In a case where... Daikin Industries Ltd

09/21/17 / #20170267551

Water treatment device and humidification device

A water treatment device includes: an insulating divider which divides a space inside a water tank into two treatment vessels adjacent to each other in a horizontal direction, and includes a current carrier which is able to energize water in the two treatment vessels; a treatment unit including a pair... Daikin Industries Ltd

09/21/17 / #20170267626

Production alpha-fluoro acrylic acid esters

wherein the symbol is as defined above, in the presence of a transition metal complex catalyst containing at least one bidentate phosphine ligand and a base to thereby obtain the compound represented by formula (1).... Daikin Industries Ltd

09/14/17 / #20170260344

Method for producing modified molded article of fluororesin

A method for producing a modified molded article which includes molding a fluororesin to provide a molded article and irradiating the molded article with radiation at an irradiation dose of lower than 100 kGy at 50° C. to 200° C. to provide a modified molded article.... Daikin Industries Ltd

09/14/17 / #20170261224

Indoor unit

In a known indoor unit, a casing may move away from a wall surface and a gap may be formed between the casing and the wall surface, with the result that the design of the indoor unit may be deteriorated. An indoor unit includes a mounting board fixed to a... Daikin Industries Ltd

09/14/17 / #20170261242

Thermal storage air conditioner

The control section implements: a utilization cooling operation in which the thermal storage medium absorbs heat from the refrigerant and in which the refrigerant evaporates in the indoor heat exchanger, when the receiving section receives a first signal indicating a request for reduced use of power during an operation in... Daikin Industries Ltd

09/14/17 / #20170262945

Equipment management apparatus

An equipment management apparatus manages at least one equipment unit that is supplied with energy and that consumes energy. The equipment management apparatus includes a result value storage unit, an adjustment control implementation status storage unit, and a hypothetical value computation unit. The result value storage unit stores result values... Daikin Industries Ltd

09/07/17 / #20170251682

Refrigeration device for container

A container refrigeration apparatus includes a CA system which controls the composition of the air in the container. The CA system includes a gas supply device which supplies nitrogen-enriched air, an intake duct which guides outside air to a first space on a suction side of an interior fan, and... Daikin Industries Ltd

09/07/17 / #20170254331


A compressor includes a crankshaft, an electric motor, a counterweight, and an oil outflow reduction member. The electric motor has a rotor coupled to the crankshaft and a stator in which the rotor is housed with an air gap formed between the stator and the rotor. The counterweight is disposed... Daikin Industries Ltd

Patent Packs
09/07/17 / #20170254450

Joint and joint assembly

A joint is connected to a tube and includes a joint body, nut, and ring. The joint body has a tube coupling part and a main body thread part. The nut has a nut thread part and a constricted diameter part. The ring is arranged in a space radially inward... Daikin Industries Ltd

09/07/17 / #20170254547

Indoor unit

When a front panel moves away from a front surface of a casing, a central part of the front panel is warped. An indoor unit of the present invention includes a casing, a front panel provided forward of the casing, and a drive mechanism moving the front panel away from... Daikin Industries Ltd

09/07/17 / #20170254581

Refrigeration device for container

Disclosed herein is a container refrigeration apparatus including an exterior fan and a gas supply device. The gas supply device includes a unit case having a cooling air inlet port and a cooling air outlet port, and a pump mechanism housed in the unit case and configured to suck, and... Daikin Industries Ltd

08/31/17 / #20170250594

Electric motor

An electric motor includes a rotor and a stator including a stator core, a plurality of armature windings, a plurality of field windings, and a plurality of bonded magnets. The stator core has a plurality of teeth alternately defining field slots and armature slots along a circumferential direction, and a... Daikin Industries Ltd

08/17/17 / #20170233315

Method for producing 2,3,3,3-tetrafluoropropene

This invention provides a method capable of efficiently producing 2,3,3,3-tetrafluoropropene (HFO-1234yf) with a recycling step using substantially a single reaction step. A method for producing 2,3,3,3-tetrafluoropropene (HFO-1234yf), comprising a reaction step of reacting at least one chlorine-containing starting compound selected from the group consisting of chlorine-containing alkanes represented by formula... Daikin Industries Ltd

08/17/17 / #20170233602

Antifouling composition, treatment device, treatment method, and treated article

The present invention provides a surface-treating agent comprising a fluorine-containing compound having a carbon-carbon unsaturated bond at its molecular terminal as a group of —Y-A wherein Y is a single bond, an oxygen atom or a divalent organic group, and A is —CH═CH2 or —C≡CH, which is able to form... Daikin Industries Ltd

08/17/17 / #20170233625

Refrigerant composition comprising difluoromethane (hfc32) and 2,3,3,3-tetrafluoropropene (hfo1234yf)

The present invention provides a refrigerant composition comprising 30 to 50 mass % of difluoromethane (HFC32) and 70 to 50 mass % of 2,3,3,3-tetrafluoropropene (HFO1234yf).... Daikin Industries Ltd

08/17/17 / #20170234363

Magnetic bearing and method to build control models for magnetic bearings

In a state where part of a plurality of electromagnets (27) is controlled based on a control model built in advanced for a first control region (A1), and where position control of a drive shaft (13) is performed by controlling one or a group of the electromagnets (27) in a... Daikin Industries Ltd

08/17/17 / #20170234364

Magnetic bearing

A magnetic bearing includes a controller dividing a control region in two regions based on an individual difference between electromagnets regarding a correlation between two or more parameters among a current flowing through the electromagnets, a number of flux linkages, a gap width, magnetic energy, magnetic co-energy, electromagnetic force, and... Daikin Industries Ltd

08/17/17 / #20170234587

Refrigerant evaporator

A refrigerant evaporator includes a plurality of vertically disposed flat tubes, and a refrigerant distribution and supply section that causes inflowing refrigerant to flow out to the plurality of flat tubes on a downstream side. The refrigerant distribution and supply section includes a refrigerant supply section having plural supply spaces,... Daikin Industries Ltd

08/17/17 / #20170234588


An accumulator to separates gas refrigerant and liquid refrigerant. The accumulator includes a casing, and a resonance-suppressing member installed in an internal space of the casing. The casing has a cylinder portion having a cylinder axis extending along a vertical direction, an upper lid portion linked with an upper end... Daikin Industries Ltd

08/17/17 / #20170237334

Active filter and ac-dc conversion device

An active filter is connected in parallel to a rectifier circuit between a set of AC input lines and a pair of DC buses. The active filter includes a capacitor, a pair of current limiting elements and an inverter. One in the current limiting elements is disposed between one end... Daikin Industries Ltd

08/10/17 / #20170226335

Processing aid

The invention provides a processing aid enabling short-time disappearance of melt fracture occurred in extrusion-molding a melt-fabricable resin at a high shear rate, a great reduction in extrusion pressure, and production of molded articles with good appearance. The processing aid contains a polymer containing a fluorine-containing elastomeric polymer segment and... Daikin Industries Ltd

08/10/17 / #20170231088

Double-sided circuit substrate suitable for high-frequency circuits

Provided is a double-sided circuit substrate being a laminate of: a composite material comprising a fluorine resin and a glass cloth; and a copper foil having a two-dimensional roughness Ra in a mat surface (a surface that comes in contact with the resin) of less than 0.2 μm. Ideally, a... Daikin Industries Ltd

08/03/17 / #20170217859

Method for producing chloropropene and producing 2,3,3,3-tetrafluoropropene

This invention provides a method for stably producing 2,3,3,3-tetrafluoropropene for a long period of time wherein unreacted materials are reused after distillation without liquid-liquid separation to suppress catalyst deactivation. The method for producing 2,3,3,3-tetrafluoropropene comprises the step of reacting 1233xf or like chloropropene with hydrogen fluoride in the presence of... Daikin Industries Ltd

08/03/17 / #20170217860

Method for producing fluorine group-containing haloolefin compound and composition

The present invention provides a method for producing a fluorine-containing haloolefin compound, said method being able to reduce the generation of overly fluorinated compounds as by-products in the production of the fluorine-containing haloolefin compound and produce the target product of high purity at a high yield. The invention also provides... Daikin Industries Ltd

08/03/17 / #20170218151

Transfer sheet and process for producing same

A soil-resistant transfer sheet which includes, in the following order, a substrate sheet (a), a soil-resistant layer (b), a coating layer (c), and optionally an adhesive layer (d), wherein a surface of the soil-resistant layer, which reveals after the substrate sheet (a) is removed, has a contact angle with water... Daikin Industries Ltd

08/03/17 / #20170218954


A compressor includes a cylinder including a cylinder chamber, a piston movably arranged relative to the cylinder in the cylinder chamber, and a sliding member slideable against the cylinder and the piston in the cylinder chamber. The cylinder and the piston are constructed from an Al—Si alloy having a Si... Daikin Industries Ltd

08/03/17 / #20170218955

Rotary compressor

A rotary compressor includes a cylinder having a cylinder chamber and bush groove, a piston housed in the cylinder chamber, a blade formed with the piston to separate the cylinder chamber into low and high pressure chambers, and a pair of bushes. The bushes are fitted in the bush groove... Daikin Industries Ltd

08/03/17 / #20170219238

Air conditioner

An air conditioner includes an outdoor unit and a plurality of indoor units connected to the outdoor unit. The outdoor unit sometimes sets an evaporation temperature or a condensation temperature that is different from a value that any of the indoor units has requested from the outdoor unit. The indoor... Daikin Industries Ltd

08/03/17 / #20170219270

Refrigeration facility

A refrigeration facility such as a refrigeration container includes a refrigeration device cooling an interior of the refrigeration facility and including an evaporator allowing air inside the refrigeration facility to pass through. A condensate port serving as a corrosive gas detector is installed in a drain hose. The drain hose... Daikin Industries Ltd

08/03/17 / #20170219298

Header of heat exchanger

A cylindrical header of a heat exchanger includes a central member, front-side and rear-side members extending longitudinally on front and rear sides of the central member to form front-side and rear-side spaces along with the central member. The central member has a first flange covering a front-side-member-first-end part and a... Daikin Industries Ltd

08/03/17 / #20170219682

Positioning system

A positioning system uses radio wave strengths of radio waves received from first and second wireless transmission terminals movable through an indoor space to locate positions of the terminals. The positioning system includes plural wireless receivers disposed in the indoor space, and a position estimating component that estimates the positions... Daikin Industries Ltd

08/03/17 / #20170222277

Electrolyte solution, electrochemical device, lithium ion secondary battery, and module

wherein Rf represents a C1-C20 linear or branched fluorinated alkyl group or a C3-C20 fluorinated alkyl group having a cyclic structure, R represents a C1-C20 linear or branched alkylene group or a C3-C20 alkylene group having a cyclic structure, hydrogen atoms in R may be partially or fully replaced by... Daikin Industries Ltd

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