Abstract: Provided are a two-way valve for flow rate control and a temperature control device using the same, which can linearly control a flow rate of a fluid with good accuracy as compared to a switching valve in which a communication hole is simply formed in a valve element so as to open a flow passage through alignment with an outflow portion.

Abstract: An air conditioner comprising a blower unit to blow air at a predetermined amount, a cooling unit arranged downstream of the blower unit in an air flowing direction, a compressor which is operated at a variable operating frequency so that a revolving speed thereof is adjustable, a condenser, and a cooling coil connected in this order by pipes to circulate a heating medium to cool blown air. A heating unit is arranged on a downstream side of said cooling unit in the air flowing direction in which the blown air is heated by a heater. A control unit controls the operating frequency of the compressor and includes a compressor control part which adjusts the revolving speed of the compressor in such a way that the operating frequency of the compressor is decreased by a predetermined frequency when an output of the heating unit exceeds a first threshold value.

Abstract: The present invention is a hydrogen cooling apparatus comprising: a air-cooled condenser disposed on a part of a first coolant passage so as to enable cooling of a first coolant by driving an air-cooling fan; a first heat exchanger enabling cooling of a second coolant by the first coolant, between another part of the first coolant passage and a part of a second coolant passage; and a second heat exchanger enabling cooling of hydrogen by the second coolant, between another part of the second coolant passage and a part of a hydrogen passage. A driving rotational speed of the air-cooling fan is inverter controlled in such a manner that a pressure of the first coolant from the air-cooled condenser to the first heat exchanger is maintained between 1.5 MPa and 1.7 MPa.

Abstract: An air conditioner including; an air flow path through which air flows; a plate having an air through hole installed in a downstream opening of the air flow path; and a humidifier disposed on the air flow path and capable of supplying vapor into the air flow path. The air flow path has a horizontal channel provided with the downstream opening and extending along a horizontal direction, and the humidifier is disposed on the horizontal channel. The humidifier includes a water storage tank opened upward to an inside of the horizontal channel, and a heater that heats the water in the storage tank. The air conditioner further includes a moisture absorption member that extends in an up and down direction, above a wall part of the storage tank on the side of the plate, or diagonally thereabove on the side of the plate.

Abstract: An air conditioner according to the present invention includes: an air flow path through which air flows; a temperature control unit that controls a temperature of air in the air flow path; a humidifier capable of supplying vapor to the air flow path; a blower that has a suction port connected to a downstream opening of the air flow path, and a discharge port from which air sucked from the suction port is discharged; a chamber that has a communication port connected to the discharge port, and a plurality of duct connection ports configured to be connectable to ducts so as to let out air coming from the discharge port through the ducts; and a baffle plate part 8 disposed in the chamber, the baffle plate part overlapping at least partly with the discharge port when seen along a flow direction of air passing through the discharge port.

Abstract: An air conditioner includes: an air flow path; a cooling unit disposed in the air flow path and configured to cool air introduced into the air flow path so as to condense vapor contained in the air; a humidification unit that humidifies the air, the humidification unit including a storage tank for storing water and a heater for heating water in the storage tank; a discharged-water storage unit capable of storing water discharged from the cooling unit and water discharged from the humidification unit; and an exhaust pipe connected to the storage tank, the exhaust pipe being configured to discharge water in the storage tank to the discharged-water storage unit; and an exhaust valve disposed midway on the exhaust pipe; wherein the air conditioner further comprises an overflow pipe that connects the storage tank and a part of the exhaust pipe on the downstream side of the exhaust valve.

Abstract: The main component of a valve body is a ternary fluororubber of a vinylidene fluoride/tetrafluoroethylene/hexafluoropropylene copolymer, the JIS K 6253 hardness of the valve body is 50-90, the tensile strength of the valve body is 10-35 MPa, and the elongation at break of the valve body is 100-500%. Relative to the inside diameter of a gas discharge channel provided to an inner-side area of the valve seat, the distance by which a movable core is moved by an electromagnetic coil is within a range of 0.1 times to 0.3 times, the diameter of the valve body is within a range of 1.5 times to 3.0 times, the thickness of the valve body is 0.3 times or greater, the protruding height of the valve seat is 0.3 times or greater, and the inside diameter of an annular gas accumulating space is 2.0 times to 5.0 times.

Abstract: Leakage of a heating medium from a condenser or an evaporator can be quickly detected by a simple structure. A refrigeration apparatus 1 according to the present invention is formed by connecting a compressor 11, a condenser 12, an expansion valve 13 and an evaporator 14 by a pipe 15 such that a heating medium circulates therethrough in this order. The refrigeration apparatus 1 further includes a pressure detection unit 31, 32 that detects a pressure of the heating medium flowing through the pipe 15, and a control unit 41 that determines that leakage of the heating medium from the condenser 12 or the evaporator 14 has occurred, when a pressure detected by the pressure detection unit 31, 32 becomes not more than a predetermined value.

Abstract: A temperature control apparatus is provided, which is capable of, even when it is necessary to perform control by means of valves in a plurality of channels, promptly controlling a temperature of an area to be temperature-controlled promptly to a desired temperature. Passage and blockage of a heating medium passing through a first supply channel to a mixing channel, a temperature of the heating medium being controlled by a first temperature regulating unit at a predetermined temperature, and passage and blockage of a heating medium passing through a second supply channel to the mixing channel, a temperature of the heating medium being controlled by a second temperature regulating unit, are controlled by a valve unit. The valve unit includes a first spool valve and a second spool valve, which are coupled through a heat insulating layer.

Abstract: In the present chiller apparatus, a refrigerant flow path is branchably attached to a lower electrode serving as a large sample table, which copes with a case where the surface area of a sample is large in a configuration in which a plasma treatment device connected to a refrigerant cycle equipped with a heating device is applied. A control device transmits a heating adjustment control signal generated based on a result of a PID arithmetic operation including proportion, integration, and differentiation on a lower electrode refrigerant pipe refrigerant detection temperature detected from a temperature sensor provided in the vicinity of a refrigerant flow path of a heat insulating portion relative to the lower electrode of a lower electrode refrigerant pipe connected to be linked to the refrigerant cycle to a heating device and performs feedback control such that the lower electrode refrigerant pipe refrigerant detection temperature becomes a setting temperature.

Abstract: The present invention provides a humidifier capable of preventing water generated by dew condensation of vapor from being combined with air, so that an air humidity can be stably controlled. A humidifier 5 according to the present invention includes a storage tank 51 that stores water, the storage tank being opened upward; a heater 52 that heats the water in the storage tank 51; and a guide plate 53 that is disposed above the storage tank 51, on at least one of one side and the other side in a first direction D1 extending along a horizontal direction, with respect to a center of the storage tank 51. The guide plate 53 extends in an inclined manner such that an upper part thereof is positioned closer to the center of the storage tank 51 in the first direction D1, than a lower part thereof.

Abstract: A downsized air conditioning system including a cooling device that cools air introduced into the air conditioning system to condense moisture contained in the air; a heating device that heats the air; and a humidification device that humidifies the air; wherein: in a plan view of the air conditioning system, at least a part of the humidification device is overlapped with at least a part of the cooling device; the heating device includes first and second heating devices, and in a plan view, at least a part of the first heating device and at least a part of the second heating device are respectively overlapped with at least a part of the cooling device; and when seen along an introduction direction of the air into the air conditioning system, at least a part of the humidification device is overlapped with at least a part of the heating device.

Abstract: A heat exchanger provided with: a plate member having a flat bottom part and a refrigerant flow path formed therein; and a plate cover for covering the plate member. The plate cover has a refrigerant inlet communicating with an area on one side of the refrigerant flow path, and a refrigerant outlet communicating with an area on the other side of the refrigerant flow path. The refrigerant flow path is more densely arranged in an area far from a straight line connecting the area that is on the one side and communicates with the refrigerant inlet to the area that is on the other side and communicates with the refrigerant outlet, than in an area close to the straight line connecting the area that is on the one side and communicates with the refrigerant inlet to the area that is on the other side and communicates with the refrigerant outlet.

Abstract: Provided are a three-way valve for flow rate control and a temperature control device using the three-way valve for flow rate control. The three-way valve for flow rate control is capable of controlling a mixture ratio between two kinds of fluids with higher accuracy, as compared to a three-way valve including an inflow port which allows inflow of a high-temperature heat-medium circulating liquid, an inflow port which allows inflow of a low-temperature heat-medium circulating liquid, an outflow port which allows outflow of a constant-temperature heat-medium circulating liquid, and a control valve configured to control the flow rate ratio between the high-temperature heat-medium circulating liquid and the low-temperature heat-medium circulating liquid.

Abstract: A status monitoring apparatus includes information obtaining means to obtain detected information items that are continuously detected; image data generating means to partition the detected information items by frames at predetermined time intervals, and configured to generate, for each frame, two-dimensional image data representing a distribution of detected information items in the frame, with an axis of abscissa being a time axis and an axis of ordinate being an axis showing a value/amount of the detected information items; and status detecting means to perform a machine learning based on the two-dimensional image data generated by the image data generating means to generate a correct label for judging whether the two-dimensional image data show at least a warning sign of failure, and to judge that at least a warning sign of failure has occurred in the detected information items, when the two-dimensional image data corresponding to the correct label are generated.

Abstract: An environmental testing apparatus includes a chamber, a cooling unit including a cooling apparatus of a brine that cools the inside of the chamber, a heating unit and a control apparatus. The cooling apparatus includes: a high temperature side cooling circuit including a high temperature side compressor, condenser, high temperature side expansion valve and cascade condenser connected in this order to circulate a high temperature side heating medium; and a low temperature side cooling circuit including a low temperature side compressor, cascade condenser, low temperature side expansion valve and evaporator connected in this order to circulate a low temperature side heating medium. The low temperature side heating medium is cooled by the high temperature side heating medium in the cascade condenser, while the brine is cooled by the low temperature side heating medium in the evaporator. The control apparatus controls a temperature inside the chamber to between ?67.5° C. and 127.5° C.

Abstract: A valve seat, which a valve body of a movable core sits on, protrudes from an outside region of the valve seat located at an end of a columnar body toward the movable core. A gas flow passage in the movable core has: an inflow passage extending on a stationary core side in the direction in which the movable core moves; and two or more outflow passages branched on a valve body side from the inflow passage. A protrusion height of the valve seat is 0.3 times or more an inner diameter of the outflow passages. A gas accumulation space includes: a region located away from the movable core by a distance 0.5 times or more the inner diameter of the outflow passage; and a region located away from the movable core by a distance greater than or equal to the inner diameter of the outflow passage.