Patents Issued in November 12, 2020
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Publication number: 20200355376Abstract: An outdoor unit for an air conditioner includes: a casing including a bottom plate that defines a bottom surface of the casing; a heat exchanger disposed in the casing; and an installation foot that supports the bottom plate from below. The installation foot includes: a support portion that supports from below an end portion of the bottom plate, a wall portion disposed on an outer side of the end portion of the bottom plate and that extends upward from the support portion, and a mount portion that extends from an upper end of the wall portion. The heat exchanger is mounted on the mount portion. The mount portion has a hole that extends through the mount portion in a height direction of the outdoor unit.Type: ApplicationFiled: July 29, 2020Publication date: November 12, 2020Applicant: DAIKIN INDUSTRIES, LTD.Inventors: Fumiaki Koike, Daiki Hirawa, Yuusuke Tanaka, Takashi Tsujiuchi, Shigeki Kamitani, Takuya Horita
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Publication number: 20200355377Abstract: In a construction method of an air conditioning system, the respective rooms are provided with air intake sections 9a to 9d, 18a to 18d which spout air sent from blowers 40a to 40d, 41a to 41d, an exhaust section 52 which forms discharged air current directed from the respective rooms toward the return compartment is provided between the respective rooms and the return compartment, and the plurality of blowers 40a to 40d, 41a to 41d and at least one air conditioner are disposed in the return compartment. Air discharged from the plurality of rooms in the building 1 by the air conditioner 30b operated by the return compartment is adjusted in temperature and moisture in the return compartment, and wind is sent into the plurality of rooms in the building 1 by the blowers 40a to 40d, 41a to 41d, and air conditioning in the building 1 can be performed.Type: ApplicationFiled: July 30, 2020Publication date: November 12, 2020Applicant: FH ALLIANCE INC.Inventors: Kazuro HIROISHI, Hiromi SUGIYAMA
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Publication number: 20200355378Abstract: A fluid treatment device includes a photocatalytic filter for deodorizing and sterilizing a fluid; a frame for fixing the photocatalytic filter; and a light source unit coupled to the frame. The light source unit includes a light source support member and a light emitting diode, which is provided on the light source support member so as to emit light at the photocatalytic filter. The frame and the light source support member are coupled in a form that separates the photocatalytic filter from the light emitting diode.Type: ApplicationFiled: July 24, 2020Publication date: November 12, 2020Applicant: SEOUL VIOSYS CO., LTD.Inventors: Jae Hak JEONG, Ji Won KIM, Sang Chul SHIN, Woong Ki JEONG
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Publication number: 20200355379Abstract: An air conditioning robot according to an embodiment of the present disclosure includes: a main body having a suction hole and a discharge hole; a cooling cycle including a compressor, a condenser, an expansion mechanism, and an evaporator, which are disposed within the main body; a blower fan configured to blow air suctioned through the suction hole so that the air is heat-exchanged with the evaporator and discharged through the discharge hole; a heat storage tank configured to accommodate a heat storage material in which heat of the condenser is stored; a heat dissipation part configured to dissipate the heat of the heat storage material accommodated in the heat storage tank, the heat dissipation part thermally contacting a heat transfer terminal disposed outside the main body; and a driving part configured to allow the main body to move so that the heat dissipation part thermally contacts or is thermally separated from the heat transfer terminal.Type: ApplicationFiled: December 26, 2018Publication date: November 12, 2020Applicant: LG ELECTRONICS INC.Inventor: Seongjae KIM
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Publication number: 20200355380Abstract: Disclosed are methods and functional elements for enhanced thermal management of predominantly enclosed spaces. In particular, the invention enables the construction of buildings with reduced power requirements for heating and/or air-conditioning systems since under certain conditions less energy for heating or cooling is required to maintain, within certain boundaries, desirable temperatures inside such buildings, habitats, or other enclosed spaces.Type: ApplicationFiled: January 9, 2020Publication date: November 12, 2020Inventors: Andreas Hieke, William Boone Daniels, II
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Publication number: 20200355381Abstract: A refrigeration system includes at least one refrigeration circuit 2. The refrigeration circuit 2 includes a compressor 10, a first heat rejecting heat exchanger 6, a second heat rejecting heat exchanger 8, an expansion valve 12 and a heat absorbing heat exchanger 4. The refrigeration circuit 2 further includes a heat recovery control valve 14 for controlling flow of the compressed refrigerant fluid between the first heat rejecting heat exchanger and the second heat rejecting heat exchanger. The first heat rejecting heat exchanger 6 is for receiving compressed refrigerant fluid from the compressor 10 and exchanging heat between the compressed refrigerant fluid and a second fluid to increase the temperature of the second fluid, for example for heat recovery by heating water. The second heat rejecting heat exchanger 8 is for receiving the compressed refrigerant fluid and exchanging heat with ambient air to cool the compressed refrigerant fluid.Type: ApplicationFiled: May 8, 2020Publication date: November 12, 2020Inventor: Geoffrey Lutz
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Publication number: 20200355382Abstract: BUILDING FEATURE APPLIED IN AIR-CONDITIONING APPLIANCE, capable of enriching the air with atomized water droplets in two stages, where in a first moment the water sent directly from the water supply network is pre-atomized in an appliance; being then delivered to the main atomizer, which produces the final atomization, creating an ultrafine mist that facilitates the thermal exchange between the mist and the air. The air-conditioning appliance must be associated to a fan so as to spread this mist to the room.Type: ApplicationFiled: December 17, 2019Publication date: November 12, 2020Inventor: Alcione Rodrigues de Oliveira
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Publication number: 20200355383Abstract: A humidity control system for a wine cooler may include a damper configured to control airflow between a cabinet defining an interior and the humidity control system, a heater configured to receive the airflow, a porous medium disposed proximate to the heater, a water inlet configured to selectively supply water to the porous medium and a controller configured to adjust a supply of water to the water inlet. Upon a humidification signal the controller may adjust the damper to allow the passage of airflow from the interior of the cabinet to the heater and the porous medium. The airflow may be humidified via the porous medium and the humidified airflow may be returned to the interior of the cabinet.Type: ApplicationFiled: May 10, 2019Publication date: November 12, 2020Applicant: WHIRLPOOL CORPORATIONInventors: Rodrigues Stahelin, Douglas Pauli, Matteo Parnisari
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Publication number: 20200355384Abstract: A universal control board for high-rise buildings is provided. The universal control board provides a communication system that operatively associates low voltage loading, including a WIFI thermostat application, with line voltage equipment for providing energy savings, humidification, dehumidification, UV lighting and multiple fan applications in high-rise buildings.Type: ApplicationFiled: December 30, 2019Publication date: November 12, 2020Inventor: Michael Anthony Govea
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Publication number: 20200355385Abstract: An air conditioning device is provided. The air conditioning device includes a power supplier, a compressor driver, a fan driver, a temperature sensor, a vibration sensor, and an operation processing controller. The power supplier has an input end receiving an input power source and generates a first operating power source and a second operating power source according to the input power source. The compressor driver operates according to the first operating power source to generate a first drive signal to drive a compressor. The fan driver operates according to the first operating power source to generate a second drive signal to drive a fan. The vibration sensor detects vibration information of the air conditioning device.Type: ApplicationFiled: March 16, 2020Publication date: November 12, 2020Applicant: Chizentek Inc.Inventors: Chih-Chuan Liang, Wen-Hung Lo
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Publication number: 20200355386Abstract: A method and apparatus for identifying an air-conditioning circuit, and an air conditioner.Type: ApplicationFiled: September 17, 2018Publication date: November 12, 2020Inventors: XIAODONG YANG, XIAOLI DONG
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Publication number: 20200355387Abstract: The present invention provides a method for monitoring a plurality of heating, ventilation, and air conditioning (HVAC) systems and predicting inefficient HVAC operation, implemented by one or more processors operatively coupled to a non-transitory computer readable storage device, on which are stored modules of instruction code that when executed cause the one or more processors to perform the following steps: Obtaining first training data for HVACs in a training set of households during a first period of spring weather; Obtaining second training data for HVACs in the training set of households during a period of summer weather, Preprocessing the training data to identify repeating patterns of HVAC coemption or generating additional derived parameters, in an aggregation process Calculating a “Household Efficiency Score”: the amount of energy required to change house temperature; Applying the first training data and the classification labels to train a supervised machine learning algorithm, to generate anType: ApplicationFiled: April 15, 2020Publication date: November 12, 2020Inventors: Eran SAMUNI, Eran COHEN, Nathaniel SHIMONI, Noa RIMINI
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Publication number: 20200355388Abstract: An on-site controller for an HVAC system is operated to maintain temperature and humidity set points inside an enclosed facility. A weather station inside the facility records microclimate data pertinent to environmental conditions inside the facility, and a weather station outside the facility records microclimate data pertinent to meteorological conditions outside the facility. A summing network compares the inside microclimate data with the outside meteorological data to establish an actuating signal. A throttle, responsive to the actuating signal, varies the power demand for the HVAC system to maintain the predetermined set points for environmental conditions inside the facility.Type: ApplicationFiled: July 30, 2020Publication date: November 12, 2020Inventor: James Eric Taylor
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Publication number: 20200355389Abstract: A heating, ventilation and air-conditioning (HVAC) system for a structure is provided. The HVAC system includes one or more of an outdoor unit disposed at an exterior of the structure and an indoor unit disposed at an interior of the structure. Various operations of the one or more of the outdoor and indoor units are controllable to maintain desired environmental conditions in the interior of the structure. At least one of the one or more of the outdoor and indoor units includes a wireless transceiver which is wirelessly communicative with an external entity.Type: ApplicationFiled: October 26, 2018Publication date: November 12, 2020Inventor: David Mannfeld
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Publication number: 20200355390Abstract: The present disclosure describes a solution to monitor, control and share HVAC operation state information and the analysis thereof based on a distributed computing system involving local building automation servers (BAS), a network based (cloud-based) system and client terminals. On the network based system, a client level virtual machine launches a container process for a client, which includes a background sub-process and a foreground sub-process. The background sub-process collects and analyzes HVAC data without client interaction. The foreground sub-process is setup upon the launching of the container process, but is fully activated until suitable client interaction is detected. The foreground sub-process pushes for a more comprehensive set of HVAC operation data through the BAS server and analyzes and presents the data and analysis result in substantially real time to the client through the client terminal with a higher data updating rate than the background sub-process.Type: ApplicationFiled: April 30, 2020Publication date: November 12, 2020Inventors: Peng Chen, Ian Robert Dempster
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Publication number: 20200355391Abstract: A building control system includes one or more controllers configured to obtain comfort feedback provided by one or more occupants of a building in response to exposing the one or more occupants to a first set of environmental conditions of the building. The one or more controllers are also configured to generate, based on the comfort feedback, one or more thresholds defining a range of values for an environmental condition of the building within which the one or more occupants are predicted to be comfortable, execute a predictive control process subject to one or more constraints based on the one or more thresholds to generate setpoints for building equipment, and operate the building equipment to drive the environmental condition of the building toward the setpoints.Type: ApplicationFiled: July 30, 2020Publication date: November 12, 2020Applicant: Johnson Controls Technology CompanyInventors: Michael J. WENZEL, Mohammad N. ELBSAT, Fang DU, Nicolaus P. MEYER, Anas W. I. ALANQAR, Robert D. TURNEY
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Publication number: 20200355392Abstract: Environmental data of an environment of the building and cooling load demand data are received as first training data, which are used for training a first machine learning model to predict a cooling load demand from environmental data. Furthermore, control signals for the chiller plant and cooling power data resulting from applying the control signals to the chiller plant are received as second training data which are used for training a second machine learning model to predict a cooling power from control signals. Actual environmental data are received, from which a cooling load demand is predicted by the trained first machine learning model. Furthermore, candidate control signals for the chiller plant are generated, and from which a resulting cooling power is predicted by the trained second machine learning model. From the candidate control signals, applicable control signals are selected for which a predicted cooling power fulfills the predicted cooling load demand.Type: ApplicationFiled: May 5, 2020Publication date: November 12, 2020Inventors: King Fai So, Lei Lu, Yong Yu
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Publication number: 20200355393Abstract: The present invention involves the preparation and manufacture of phenolic insulation boards for use in double-walled ductwork systems. The preparation of the phenolic insulation board, having a first and second surface each having a foil coating, includes the cutting or grooving of V-grooves into the first surface of the phenolic insulation and first foil coating. This grooving process creates a continuous piece of phenolic insulation having trapezoidal shapes along the second surface and second foil coating. The prepared phenolic insulation board can then be wrapped around an inner sheet metal duct and then covered with an outer shell. Alternatively, the prepared phenolic insulation board can be inserted between an inner duct and outer shell. Both result in a double-walled phenolic insulation ductwork systems.Type: ApplicationFiled: May 8, 2020Publication date: November 12, 2020Inventors: Robert Stephen Reid, Reid Boydstun
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Publication number: 20200355394Abstract: A zone-control unit for use in a heating, ventilation, and air conditioning (HVAC) system, the zone-control unit includes a heat exchanger, an inlet piping assembly coupled with the heat exchanger for supplying fluid to the heat exchanger, an outlet piping assembly coupled with the heat exchanger for receiving fluid from the heat exchanger, a bracket that maintains the inlet piping assembly and the outlet piping assembly in positional relationship, and an ancillary component coupled with the heat exchanger.Type: ApplicationFiled: July 22, 2020Publication date: November 12, 2020Inventor: John Chris Karamanos
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Publication number: 20200355395Abstract: A system for removing condensate from a cooling unit (10) includes a drain pan (44) to collect condensate generated by the cooling unit (10), a condensate pump (52) configured to pump condensate from the drain pan (44), and a water tank (54) in fluid communication with the condensate pump (52). The water tank (54) is configured to store condensate in the form of water delivered to the water tank (54) by the condensate pump (52). The system further includes a plunger pump (60) in fluid communication with the water tank (54). The plunger pump (60) is configured to pump water from the water tank (54). The system further includes at least one atomizing nozzle (62) in fluid communication with the plunger pump (60). The at least one atomizing nozzle (62) is configured to atomize water from the plunger pump (60).Type: ApplicationFiled: September 8, 2016Publication date: November 12, 2020Inventors: Hongwei Yang, John H. Bean, JR., Jinhui Wang, Marlowe Dulaca Apuhin, Bo Hong
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Publication number: 20200355396Abstract: The present invention relates to a smoke tube boiler including: a mix chamber which includes a mixing space in which combustion gas and air are mixed, a mix chamber body having a flat shape, and a flat plate-shaped burner disposed in a horizontal direction above a combustion chamber; and a heat exchanger which includes an outer shell forming an outer wall of a water tank into and from which a heat medium is introduced and discharged and which accommodates the heat medium, a plurality of tubes formed in a flat shape that are configured to allow combustion gas generated in the combustion chamber to flow therein and cause a heat exchange to occur between the combustion gas and the heat medium flowing outside the tubes, turbulators coupled to an inner side of the tube and configured to induce occurrence of a turbulent flow in the flow of the combustion gas, and multi-stage barriers disposed between the outer shell and the tube and configured to induce a heat medium flow direction to be alternately changed betweenType: ApplicationFiled: December 11, 2018Publication date: November 12, 2020Applicant: KYUNGDONG NAVIEN CO., LTD.Inventors: Jun Kyu PARK, Sung Cheul CHO, In Chul JEONG
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Publication number: 20200355397Abstract: A heat exchanger for a heating device includes a plurality of tubes arranged in a juxtaposed configuration, and at least one first manifold member on the outside of the tubes. Each tube is wound in a spiral having a plurality of substantially co-planar turns including at least one inner turn and at least one further turn around the inner turn. At least one first tube has a first end portion, which extends starting from the inner turn towards the outside of the corresponding spiral, with at least one part of the first end portion that is superimposed on the at least one further turn in a position corresponding to a major face of the spiral, for connection to the at least one first manifold member. The at least one first tube has at least one transverse depression in which a corresponding part of the first end portion is at least partially received.Type: ApplicationFiled: August 7, 2018Publication date: November 12, 2020Applicant: COSMOGAS S.r.l.Inventor: Alberto ALESSANDRINI
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Publication number: 20200355398Abstract: An electric resistance radiant furnace is disclosed. Solid ceramic panel emitters having electric resistance wires embedded therein produce heat. A blower receives air from a return duct. Metallic screens are located between the panel emitters. A thermostat is connected to the wires and the blower. Heat is produced by each panel emitter. Part of the heat produced is radiated from the ceramic body to the metallic screens. Air flows in a parallel manner between the panel emitters and along the metallic-screens. The thermostat heat buildup by turning on the panel emitters controlling the blower. A short cycle air pass conduit accepts a portion of heated air from between the multiple panel emitters and to convey the portion of heated air to the return duct, such that the portion of heated air is mixed with return air, and a temperature of the return air provided to the blower is elevated.Type: ApplicationFiled: July 27, 2020Publication date: November 12, 2020Applicant: Thermasi LLCInventor: Allen W. Coggins
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Publication number: 20200355399Abstract: A tank-style residential and light commercial hot water heater is provided. The tank-style residential and light commercial hot water heater can include a tank, an intake nipple for receiving a liquid into the tank, an outflow nipple for dispensing the liquid from the tank after heating, and a dedicated return nipple having a valve. The dedicated return nipple is configured to couple to a hot water recirculating system, and the valve is configured to open when the dedicated return nipple is coupled to the hot water recirculating system to allow the dedicated return nipple to receive a recirculated form of the liquid dispensed from the outflow nipple back into the tank. When not in use with a hot water recirculating system, the valve may be closed.Type: ApplicationFiled: May 7, 2020Publication date: November 12, 2020Inventor: Anders C. Wick
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Publication number: 20200355400Abstract: A concentrated solar thermal receiver is mounted on a tower to receive concentrated solar thermal energy from a concentrating array of solar reflectors. The receiver comprises a single layered array of tubes configured to carry a heat transfer fluid such as sodium and defining in combination an exposed concentrated solar thermal energy receiving surface. The array of tubes have a lower fluid inlet header communicating with an inlet conduit, and an upper fluid outlet communicating with an outlet conduit. The tubes are arranged in a serpentine configuration and define a fluid flow path which is predominantly transverse and upward. The receiver includes a thermally insulating cover movable between an open position and a closed position in which the solar thermal energy receiving surface is covered to block or reduce the incidence of solar flux on the tubes or to reduce heat loss from the array of tubes when they are not operational.Type: ApplicationFiled: November 15, 2018Publication date: November 12, 2020Inventors: James Robert FISHER, Allan CURTIS, Kurt Friedrich DREWES, Bruce Alexander LESLIE, Timothy Peter JOST, Nicholas Paul BARTOS
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Publication number: 20200355401Abstract: The solar tracking arrangement enables a plurality of parallel arranged PTCs to be directed towards the travelling sun. The solar tracking arrangement comprises a drive means, a transmission means, and a plurality of conversion means. The transmission means are connected with the drive means and to each of the plurality of conversion means. The transmission means is configured to convey an operating movement caused by the drive means to the plurality of conversion means, and each of the conversion means is configured to convert the conveyed operating movement into a pivoting movement of a respective one of the plurality of PTCs about a focus line, such that each of the pivoting movements directs the respective PTC towards the travelling sun. One or more of the conversion means are adjustably connected with the transmission means in a direction along the transmission means.Type: ApplicationFiled: September 3, 2018Publication date: November 12, 2020Inventor: Joakim BYSTRÖM
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Publication number: 20200355402Abstract: The present invention relates to self powered and timer based solar panel cleaning system that is operated by self generating electrical power from solar energy and reduces wear and tear problem of moving parts. In this system, the microcontroller (54) is interfaced with motor driver (51) and brush driver (52). Said motor driver (51) and brush driver (52) control the speed of wheel motor (32) and brush driver (33). When ultrasonic sensor (5) sends signal to microcontroller (54), said microcontroller (54) generates and transmits signal to wheel motor driver (51) and brush driver (52). Thus, when structure reaches nearby the end edge of the solar panel array, said drivers gradually reduce r.p.m. of wheel motor (32) and brush motor (33) and then motors stop when machine reaches to opposite platform. Thus, during alteration of mode, r.p.m. of motors will be at substantially low that prevents the moving parts from damage.Type: ApplicationFiled: December 27, 2018Publication date: November 12, 2020Applicant: WEISMACHER ECO PRIVATE LIMITEDInventors: Rajeshkumar Hariprasad Acharya, Yusuf Nazmuddin Ghadiali
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Publication number: 20200355403Abstract: A porphyrine organic framework (“POF”) material is introduced with a one-pot method for photothermal material fabrication. The POF material may be deposited on a porous substrate, such as for solar steam generation.Type: ApplicationFiled: May 9, 2019Publication date: November 12, 2020Applicant: UCHICAGO ARGONNE, LLCInventors: Zijing Xia, Hao-Cheng Yang, Zhaowei Chen, Seth B. Darling
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Publication number: 20200355404Abstract: A solar heat exchanger in which the manifolds are connected together using a threadless connection arrangement in which the end of one manifold tube carries at least two annular seals and the internal bore of the end of the adjacent manifold tube is cammed and when locked, the connection of the two manifolds is resistant to loosening when exposed to repeated thermal expansion and contraction cycles.Type: ApplicationFiled: November 12, 2018Publication date: November 12, 2020Inventor: Paul CARROLL
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Publication number: 20200355405Abstract: An electric compressor is provided, comprising a motor part comprising a stator and a rotor, an inverter electrically coupled to the motor part, a compression part coupled to the motor part, and an electrically conductive part configured to electrically connect the motor part and the inverter. The electrically conductive part comprises a support member forming a body, a terminal member, and an elastic member provided between the support member and the terminal member facing the inverter. The inverter is configured to apply a control signal to the motor part, and the compression part may be configured to rotate along a rotation of the motor part to compress refrigerant. The terminal member is inserted through and coupled to the support member and is electrically coupled to the inverter. The elastic member is compressed or stretched by vibration generated in the motor part to store a restoring force.Type: ApplicationFiled: February 19, 2020Publication date: November 12, 2020Applicant: LG Electronics Inc.Inventors: Namsik YIM, Taekyoung KIM, Yongsoo CHO, Soonyong CHOI
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Publication number: 20200355406Abstract: A part of a gas-phase mixed refrigerant compressed by a compressor (20) is condensed by a first condenser (21). Then, the mixed refrigerant is separated by a first gas-liquid separator (22) into a gas-phase first fluid portion (I) and a liquid-phase second fluid portion (II) which has been condensed into a liquid phase. A part of the gas-phase first fluid portion (I) is further condensed by a second condenser (23). Then, the first fluid portion is further separated by a second gas-liquid separator (24) into a gas-phase third fluid portion (III) and a liquid-phase fourth fluid portion (IV) which has been condensed into a liquid phase. Thereafter, the gas-phase third fluid portion (III) is condensed and then expanded.Type: ApplicationFiled: May 27, 2019Publication date: November 12, 2020Applicant: SHINWA CONTROLS CO., LTDInventors: Masamichi UMEKI, Hideaki FURUMOTO, Shigeo AOKI, Ryo MORIYA, Hirofumi INOUE
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Publication number: 20200355407Abstract: In a first fluid circulation device, a heat exchanger, a tank that stores a first fluid liquefied by the heat exchanger, a first fluid pump that pumps the first fluid stored in the tank, a heater that heats the first fluid pumped from the first fluid pump, and a first fluid supply unit to which the first fluid is supplied from the heater are connected by a first pipe. A second fluid circulation device includes a cooler that cools a second fluid, causes the second fluid having been cooled by the cooler to circulate through a second pipe, and returns the second fluid to the cooler. The second pipe is connected to the heat exchanger and is connected to the tank and the first fluid pump, and the second fluid cools the first fluid in the heat exchanger, the tank, and the first fluid pump.Type: ApplicationFiled: August 29, 2018Publication date: November 12, 2020Applicant: SHINWA CONTROLS CO., LTDInventors: Teiichirou UEDA, Yasuhiro NAOHARA
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Publication number: 20200355408Abstract: A thermoacoustic device includes a loop tube in which a working gas is sealed; a stack in which a temperature gradient is generated in a tube axis direction of the loop tube, the stack being provided in the loop tube; and a diaphragm structure including a diaphragm provided in the loop tube and an operating unit, the diaphragm having a surface extending in a direction intersecting the tube axis direction and being configured to vibrate with a component of vibration in the tube axis direction, and the operation unit being configured to apply a physical quantity that is required, to the diaphragm to change a rigidity of the diaphragm in the tube axis direction.Type: ApplicationFiled: April 28, 2020Publication date: November 12, 2020Applicants: JTEKT CORPORATION, University Public Corporation OsakaInventors: Tatsuma KOUCHI, Tomoyuki TAKEI, Kunio OHARA, Hiroki TANAKA, Osamu ISHIKAWA
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Publication number: 20200355409Abstract: A cryogenic cooling system includes a gas circulation source; a cryocooler that cools a cooling gas; a cooling gas flow path that causes a cooling gas to flow from the gas circulation source to the object to be cooled; and a control device that controls the gas circulation source so as to execute initial cooling of the object to be cooled according to a prescribed flow rate pattern. The prescribed flow rate pattern is predetermined such that the cooling gas flows through the cooling gas flow path at a first average flow rate, and the cooling gas flows through the cooling gas flow path at a second average flow rate. The second average flow rate is smaller than the first average flow rate such that the cooling capacity of the cryogenic cooling system is increased.Type: ApplicationFiled: July 28, 2020Publication date: November 12, 2020Inventors: Yuta Ebara, Takaaki Morie, Jyun Yoshida
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Publication number: 20200355410Abstract: The disclosure concerns a method for regulating a Peltier element. In a starting step, a starting current is applied to the Peltier element. Subsequently in a cooling step, a surface that is heat-conductively connected to the Peltier element is cooled. In the cooling step, the surface is cooled to a target temperature. After the cooling step in an adjustment step, a maintenance current is applied to the Peltier element. The maintenance current is lower than the starting current.Type: ApplicationFiled: July 10, 2018Publication date: November 12, 2020Inventors: Juergen Gruenwald, Christian Schulze
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Publication number: 20200355411Abstract: A heat exchanger exchanges heat between refrigerant flowing inside and air flowing outside. The heat exchanger includes: an upstream-side flat tube; downstream-side flat tubes on a downstream side of the upstream-side flat tube in a direction of air flow; and a space formation member that defines a distribution space in which the refrigerant coming out of the upstream-side flat tube is distributed to the downstream-side flat tubes.Type: ApplicationFiled: December 25, 2018Publication date: November 12, 2020Applicant: DAIKIN INDUSTRIES, LTD.Inventors: Satoshi Inoue, Tomoki Hirokawa, Shun Yoshioka, Yoshiyuki Matsumoto, Shouta Agou
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Publication number: 20200355412Abstract: A condenser (404) configured to condense gas phase refrigerant to liquid phase refrigerant. The condenser (404) includes a gas header (408) configured to receive gas phase refrigerant, a liquid header (410) disposed opposite the gas header, the liquid header (410) separated into at least two sections, each section of the at least two sections having a port, and parallel tubes (406) extending between the gas header (408) and the liquid header (410).Type: ApplicationFiled: January 12, 2018Publication date: November 12, 2020Inventors: Jinhui Wang, John H. Bean, JR., Hongwei Yang
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Publication number: 20200355413Abstract: Embodiments of the present disclosure relate to a heating, ventilation, air conditioning, and refrigeration (HVAC&R) system including a refrigerant loop and a purge system configured to purge the HVAC&R system of non-condensable gases. The purge system includes a liquid pump configured to draw a first refrigerant flow from an evaporator, a controllable expansion valve configured to receive the first refrigerant flow from the liquid pump and reduce a temperature of the first refrigerant flow, and a purge heat exchanger, which includes a purge coil. The purge coil is configured to receive the first refrigerant flow from the controllable expansion valve, a chamber of the purge heat exchanger is configured to draw a mixture of the non-condensable gases and a second refrigerant flow from a condenser, and the purge heat exchanger is configured to separate the non-condensable gases from the second refrigerant flow utilizing the first refrigerant flow.Type: ApplicationFiled: August 23, 2018Publication date: November 12, 2020Inventors: Maccrae William Monteith, Jay Albert Kohler, David Andrew Bradshaw, Andrew Michael Welch
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Publication number: 20200355414Abstract: A valve for a refrigeration system includes a valve body, a guide seat arranged in the valve body, a piston plug that has a metering slot and is axially movable relative to the guide seat to open and close the valve, and an adjustable valve stem that is axially movable to engage the piston plug. The piston plug is movable between a closed position in which the piston plug is seated against the guide seat and engaged with the valve stem to prevent fluid flow through the valve, a metering position in which the piston plug is moved away from the guide seat and engaged with the valve stem to enable a predetermined amount of forward fluid flow through the valve, and a check valve position in which the piston plug is seated against the guide seat to prevent reverse fluid flow through the valve.Type: ApplicationFiled: September 16, 2019Publication date: November 12, 2020Inventors: John A. Ryan, Gregory A. Edgar
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Publication number: 20200355415Abstract: An air conditioning system includes: a plurality of indoor units each configured to condition air in a target space; and an outdoor unit connected to the plurality of indoor units. Each of the plurality of indoor units has a surface temperature measuring device configured to measure a surface temperature of an object in the target space. When a total of capacities requested by the plurality of indoor units is larger than a capacity of the outdoor unit, each of the plurality of indoor units performs a process corresponding to a change amount of the surface temperature per unit time.Type: ApplicationFiled: February 26, 2018Publication date: November 12, 2020Inventors: Satoru YANACHI, So NOMOTO, Takuya MATSUDA, Naofumi TAKENAKA, Kimitaka KADOWAKI
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Publication number: 20200355416Abstract: An air conditioning system and a control method are provided. The air conditioning system includes: at least one heat exchanger (1, 2); and at least one control mechanism. Each control mechanism is connected to one of the at least one heat exchanger (1, 2) and is configured to control the corresponding heat exchanger to switch between a first working state and a second working state. The heat exchanger (1, 2) drains liquid when in the first working state and stores liquid when in the second working state.Type: ApplicationFiled: August 21, 2018Publication date: November 12, 2020Inventors: Xiang JIA, Shiqiang ZHANG, Peixing YANG, Mingxiang ZHANG
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Publication number: 20200355417Abstract: A gas-liquid separator includes a first cylinder, a second cylinder, a heat exchange pipe, a flow guide pipe, a distribution portion, and a lower sealing cover. The gas-liquid separator has a first cavity and a second cavity. The second cavity includes at least the space located in the first cylinder. The distribution portion includes a first passage. One end of the first passage is communicated with that of the flow guide pipe. The other end of the flow guide pipe is communicated with the second cavity. The other end of the first passage is communicated with the first cavity. The lower sealing cover is located at the other side far away from the distribution portion. The gas-liquid separator further includes a flow passage located, at least in part, in the lower sealing cover, communicated with the first cavity and communicated with the second cavity.Type: ApplicationFiled: July 29, 2020Publication date: November 12, 2020Applicant: Sanhua Holding Group, Co., Ltd.Inventors: Junqi Dong, Li Li
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Publication number: 20200355418Abstract: A cooling system includes an evaporator coil and a compressor fluidly coupled to the evaporator coil. A circulation fan is arranged to direct air through the evaporator coil and through a discharge air duct into a conditioned space. At least one sensor is disposed in at least one of the discharge air duct, the conditioned space, and the evaporator coil. An HVAC controller is electrically coupled to the at least one sensor and electrically coupled to the compressor. The HVAC controller is configured to receive a measurement of an HVAC parameter from the at least one sensor, determine if the HVAC parameter indicates frost formation on the evaporator coil, and, responsive to a determination that the HV AC parameter indicates frost formation on the evaporator coil, raise a saturated suction temperature of the evaporator coil.Type: ApplicationFiled: May 8, 2019Publication date: November 12, 2020Applicant: Heatcraft Refrigeration Products LLCInventor: Fardis NAJAFIFARD
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Publication number: 20200355419Abstract: A refrigerant cycle apparatus is configured to suppress extension of defrost time. The refiigerant cycle apparatus includes: a refrigerant circuit including a compressor, a heat source heat exchanger having a main heat exchange unit, a sub heat exchange unit and a pressure loss portion disposed between the main heat exchange unit and the sub heat exchange unit, an expansion mechanism, a utilization heat exchanger, and a flow direction switching mechanism configured to switch a flow direction of a refrigerant; a first temperature sensor configured to measure first refrigerant temperature between the main heat exchange unit and the pressure loss portion; a second temperature sensor configured to measure second refrigerant temperature between the pressure loss portion and the expansion mechanism; and a controller configured to control the flow direction switching mechanism to switch between normal operation and defrost operation.Type: ApplicationFiled: November 2, 2018Publication date: November 12, 2020Applicant: DAIKIN INDUSTRIES, LTD.Inventor: You TOMIYAMA
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Publication number: 20200355420Abstract: A refrigerant detector testing system according to aspects of the disclosure includes a metering orifice formed in a suction line that is disposed between an evaporator coil and a compressor, a valve fluidly coupled to the metering orifice, a connecting tube fluidly coupled to the valve on a side opposite the metering orifice, a mixing device having an input orifice fluidly coupled to the connecting tube. In some embodiments, the mixing device includes an air intake disposed proximate the input orifice, a throttling portion downstream of the input orifice and the air intake, the throttling portion having a reduced cross-sectional area, and a diffuser section positioned downstream of the throttling portion, the diffuser section having an output orifice. According to aspects of the disclosure, a refrigerant detector fluidly exposed to the output orifice.Type: ApplicationFiled: July 28, 2020Publication date: November 12, 2020Applicant: Lennox Industries Inc.Inventors: Rakesh Goel, Robert B. USELTON, Eric BERG, Mark OLSEN
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Publication number: 20200355421Abstract: A branched air supply device includes: a shell having a peripheral wall portion, with the peripheral wall portion being provided with a plurality of air supply ports; a plurality of baffles, with each of the baffles being rotatably mounted at one of the air supply ports; a plurality of transmission assemblies, with each of the transmission assemblies being provided with a rotating member and a first transmission mechanism, and each of the first transmission mechanisms being configured to transmit a rotational motion of a corresponding rotating member to one of the baffles, so that the baffle is at rest or rotates; and a driving device having a driving source and a second transmission mechanism, with the second transmission mechanism being configured to transmit one motion, output by the driving source, to the plurality of rotating members, so that each of the rotating members is at rest or rotates.Type: ApplicationFiled: December 12, 2018Publication date: November 12, 2020Applicant: HAIER SMART HOME CO., LTD.Inventors: Bin FEI, Xueli CHENG, Dengqiang LI, Xiaobing ZHU, Kui ZHANG
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Publication number: 20200355422Abstract: Provided is a refrigeration machine provided with: a refrigeration cycle having a compressor, a condenser, an expander, an evaporator, and piping (12) which sequentially connects the compressor, the condenser, and the expander; and an acoustic device (13) having a space formation section (14) which has one end (14a) connected to the piping (12) and in which a space is formed, the acoustic device (13) also having a vibration body (20) which is affixed integrally to the other end of the space formation section (14) and which has a lower natural frequency than the space formation section (14).Type: ApplicationFiled: October 10, 2018Publication date: November 12, 2020Applicant: MITSUBISHI HEAVY INDUSTRIES THERMAL SYSTEMS, LTD.Inventors: Koji MAETA, Shintaro OMURA
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Publication number: 20200355423Abstract: Provided is a refrigerator and control method for refrigerator and method for opening a refrigerator door. While a user is holding an object in both hands, a door may be automatically and additionally opened using another part of a body other than hands.Type: ApplicationFiled: July 24, 2020Publication date: November 12, 2020Inventors: Minsub KIM, Hongsik KWON, Dongjeong KIM, Jungjae LEE, Jaehoon SHIN
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Publication number: 20200355424Abstract: A vacuum adiabatic body includes: a first plate member; a second plate member; a sealing part sealing the first plate member and the second plate member to provide a third space; a supporting unit maintaining the third space; a heat resistance unit for decreasing a heat transfer amount between the first plate member and the second plate member; and an exhaust port through which a gas in the third space is exhausted. The vacuum adiabatic body further includes a peripheral adiabatic part provided to an outer wall of an edge portion of the third space to improve the adiabatic performance of the edge portion of the third space, and the peripheral adiabatic part is provided as a separate adiabatic member. Accordingly, an adiabatic effect may be improved and volume of an outer door in a door-in-door refrigerator may be increased.Type: ApplicationFiled: July 29, 2020Publication date: November 12, 2020Inventors: Wonyeong JUNG, Deokhyun Youn, Sungsub Lee
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Publication number: 20200355425Abstract: The present invention provides a luminous shelf, comprising: a shelf plate made of a transparent material, having an upper surface formed as a carrying plane of the luminous shelf; and a luminous strip lamp provided on one side of the shelf plate, a plurality of lamp beads being arranged in the luminous strip lamp at intervals in a length direction thereof, the luminous strip lamp having a mounting plane, and the plural lamp beads being arranged in a direction perpendicular to the mounting plane; the luminous strip lamp is placed obliquely relative to the shelf plate, such that an comprised angle is formed between the mounting plane and the carrying plane.Type: ApplicationFiled: December 20, 2018Publication date: November 12, 2020Inventors: BIN FEI, YAZHOU SHANG, DENGQIANG LI