Time Or Program Actuator Patents (Class 62/157)
  • Patent number: 10731900
    Abstract: A refrigerator includes: a control unit for controlling a thermoelectric module, a cooling fan, and a heat-radiation fan, in which when the outside temperature exceeds the set temperature, the control unit rotates each of the cooling fan and the heat-radiation fan at a high-speed, in which, when the outside temperature is equal to or lower than the set temperature and the storage chamber temperature is in the upper limit range, the control unit rotates each of the cooling fan and the heat-radiation fan at a medium-speed lower than a high-speed, and in which, when the outside temperature is equal to or lower than the set temperature and the storage chamber temperature is lower than the upper limit range, the control unit rotates each of the cooling fan and the heat-radiation fan at a low-speed lower than a medium-speed.
    Type: Grant
    Filed: March 20, 2018
    Date of Patent: August 4, 2020
    Assignee: LG ELECTRONICS INC.
    Inventors: Seokhyun Kim, Heayoun Sul, Minkyu Oh, Jeehoon Choi, Hyoungkeun Lim
  • Patent number: 10705487
    Abstract: A method for a household electrical appliance to perform mode switching includes detecting whether a user is in a sleeping state, switching a current operation mode to a silent mode if the user is in the sleeping state, and operating in the silent mode.
    Type: Grant
    Filed: April 28, 2017
    Date of Patent: July 7, 2020
    Assignee: Xiaomi Inc.
    Inventors: Jun Su, Anju Chen, Yi Wang, Yi Wu
  • Patent number: 10663196
    Abstract: An apparatus includes a flash tank, a load, a first compressor, a coil, a first pipe, and a second compressor. The flash tank stores a refrigerant. The load uses the refrigerant from the flash tank to cool a space proximate the load. The first compressor compresses the refrigerant from the load. The coil within the flash tank receives the refrigerant from the first compressor such that the received refrigerant is within the coil. The refrigerant stored within the flash tank cools the refrigerant within the coil. The first pipe is within the flash tank. The first pipe directs the refrigerant from within the coil out of the flash tank. The second compressor compresses the refrigerant directed out of the flash tank.
    Type: Grant
    Filed: June 5, 2018
    Date of Patent: May 26, 2020
    Assignee: Heatcraft Refrigeration Products LLC
    Inventor: Shitong Zha
  • Patent number: 10600135
    Abstract: To minimize the amount of calculation for changing an operation schedule even when there is an increase in the number of sites. A management computer calculates a first total schedule value, which is the total of the schedule values for each of the sites within a first time frame. If the first total schedule value exceeds a first target value set in advance, the management computer: calculates a first excess amount of the first total schedule value in relation to the first target value; selects, as a first site, a site subjected to a change in a demand schedule from a group of candidate sites satisfying a candidate criterion set in advance from among a plurality of the sites, the selection being performed on the basis of information on the facility characteristics for each of the sites; changes a first demand schedule of the first site in the first time frame; and transmits the changed first demand schedule to a control device of the first site.
    Type: Grant
    Filed: March 22, 2016
    Date of Patent: March 24, 2020
    Assignee: HITACHI, LTD.
    Inventors: Michiki Nakano, Susumu Ikeda, Yu Ikemoto, Takashi Fukumoto
  • Patent number: 10561043
    Abstract: An air conditioning control device includes, a memory and, a processor configured to, calculate a first setting for air conditioning control at which electric power consumed by the air conditioning control is lowest, calculate a second setting for air conditioning control at which a failure rate of a device which is installed in a target place for the air conditioning control is lowest, compare a first value calculated based on first electric power and a first failure rate when air conditioning control is performed on the basis of the first setting with a second value calculated based on second electric power and a second failure rate when air conditioning control is performed on the basis of the second setting, and determine a specific setting for air conditioning control in accordance with a result of comparison of the first value and the second value.
    Type: Grant
    Filed: November 21, 2017
    Date of Patent: February 11, 2020
    Assignee: FUJITSU LIMITED
    Inventor: Kazunori Iwasa
  • Patent number: 10544979
    Abstract: An appliance includes a first compartment and a second compartment. A temperature of the first compartment is determined with a first temperature sensor, and a temperature of the second compartment is determined with a second temperature sensor. If the temperature of the first compartment is above a first predetermined value and the temperature of the second compartment is above a second predetermined value, a controller causes the appliance to enter a pulldown mode. Upon entering the pulldown mode, the controller causes a valve to enter a first position where refrigerant flows to a freezer evaporator and is prevented from flowing to a fresh food evaporator.
    Type: Grant
    Filed: December 19, 2016
    Date of Patent: January 28, 2020
    Assignee: Whirlpool Corporation
    Inventors: Taylor N. Clark, Murilo P. Almeida, Victor S. Carlotto
  • Patent number: 10410319
    Abstract: A determination is made as to whether a driver or a front-seat passenger of the motor vehicle would like to operate a display device. If it is detected that only the driver would like to operate the display device, the display device is put in a first operating mode in which a graphic user interface is displayed exclusively in a driver-side display region of the display device. If it is detected that only the front-seat passenger of the motor vehicle would like to operate the display device, the display device is put in a second operating mode in which the graphic user interface is displayed exclusively in a front-seat-passenger-side display region of the display device.
    Type: Grant
    Filed: October 27, 2015
    Date of Patent: September 10, 2019
    Assignee: AUDI AG
    Inventors: Matthias Wunderlich, Christian Wall
  • Patent number: 10222109
    Abstract: A temperature control method includes obtaining, by a controller, a space temperature value, a space temperature set point, a discharge air temperature value, and a discharge air temperature set point. The method further includes determining a compressor speed using a first PI loop based on the space temperature set point and the space temperature value, and determining a supply fan speed using a second PI loop based on the discharge air temperature set point and the discharge air temperature value. The temperature control method further includes outputting a first control signal that controls the speed of a variable speed compressor based on the determination of whether the compressor speed is within the compressor operation range and a second control signal to control the speed of a variable speed supply fan based on the determination of whether the supply fan speed is within the supply fan operation range.
    Type: Grant
    Filed: January 22, 2016
    Date of Patent: March 5, 2019
    Assignee: Lennox Industries Inc.
    Inventors: John Tran, Thomas Pate, Jr.
  • Patent number: 10174981
    Abstract: A system to make ice includes a refrigeration unit and an icemaker disposed in the refrigeration unit. The refrigeration unit is configured to be subjected to a refrigeration cycle; the icemaker is configured to be subjected to a freeze cycle; and the system is configured such that the freeze cycle is synchronized with the refrigeration cycle, asynchronized with the refrigeration cycle, or a combination comprising at least one of the foregoing. A process for controlling an icemaker includes providing a freeze cycle to an icemaker; providing a refrigeration cycle to a refrigeration unit; and constraining the freeze cycle and the refrigeration cycle to control the icemaker.
    Type: Grant
    Filed: September 25, 2014
    Date of Patent: January 8, 2019
    Assignee: NATIONAL INSTITUTE OF STANDARDS AND TECHNOLOGY
    Inventor: David Yashar
  • Patent number: 10168079
    Abstract: When a refrigerant flow-path switch performs switching to a first refrigerant flow path, an interior condenser heating air blown into an interior as a first temperature-adjustment subject and an auxiliary heat exchanger are connected in parallel, and the auxiliary heat exchanger heats air blown to a battery as a second temperature-adjustment subject. In contrast, when the refrigerant flow-path switch performs switching to a second refrigerant flow path, an interior evaporator cooling air blown into the interior and the auxiliary heat exchanger are connected in parallel, and the auxiliary heat exchanger cools the air blown to the battery. With this arrangement, one common auxiliary heat exchanger can cool or heat the air for the battery, thereby leading to reduction in size of an entire refrigeration cycle device.
    Type: Grant
    Filed: February 27, 2013
    Date of Patent: January 1, 2019
    Assignee: DENSO CORPORATION
    Inventors: Masayuki Takeuchi, Seiji Inoue, Takashi Yamanaka
  • Patent number: 10048665
    Abstract: Even when a user wants to easily operate a plurality of load devices in his or her home using an information terminal device, dedicated application software needs to be started for each load device, which makes the operation complex. A device controller capable of controlling a plurality of load devices, includes: a controller; and a display unit having a first screen and a second screen, wherein the controller is configured to cause the display unit to display, in the first screen, a selection object that instructs a user to select at least one of the plurality of load devices and a first operation object that instructs a user to perform a first type of operation relating to the plurality of load devices, and display, in the second screen, a second operation object including a second type of operation not included in the first operation object.
    Type: Grant
    Filed: September 26, 2014
    Date of Patent: August 14, 2018
    Assignee: KYOCERA Corporation
    Inventors: Daisuke Hoshi, Kazuaki Azuma
  • Patent number: 10006653
    Abstract: An air conditioning system includes air conditioning facilities with an indoor unit and an outdoor unit, a dedicated transmission line, a general-purpose equipment controller, and an energy management gateway. The energy management gateway includes a dedicated transmission line that enables communication with the air conditioning facilities via the dedicated transmission line, a management controller that collects management information preregistered for managing the air conditioning facilities from among various information received via the dedicated transmission line, and a processing controller that executes computational processing related to management of the air conditioning facilities on the basis of the collected management information, and controls the air conditioning facilities.
    Type: Grant
    Filed: January 25, 2013
    Date of Patent: June 26, 2018
    Assignee: Mitsubishi Electric Corporation
    Inventors: Atsuhiro Yabuta, Shigeo Takata
  • Patent number: 9994238
    Abstract: An air conditioning device is provided which has a primary heat pump circuit having at least one primary heat exchanger with the air from the compartment, a primary compressor, a second primary heat exchanger with the outside air, and a primary expander device, and a heat storage reservoir, connected to the primary circuit, in parallel with said first primary heat exchanger with the air from the compartment. The air conditioning device also has a secondary heat pump circuit, including a first secondary heat exchanger with the air from the compartment, a secondary compressor, a second secondary heat exchanger with the air from the outside, and a secondary expander device. The heat storage reservoir is connected to the secondary circuit, in parallel with the first secondary heat exchanger with the air from the compartment.
    Type: Grant
    Filed: January 8, 2015
    Date of Patent: June 12, 2018
    Assignee: ALSTOM TRANSPORT TECHNOLOGIES
    Inventors: Rami Abou Eid, Josselin Chan, Philippe Chevalier, Francis Mortreux
  • Patent number: 9999163
    Abstract: Embodiments of the invention provide high-efficiency cooling in a data center in response to a cooling and/or humidity demand using a system having multiple cooling loops to allow for a higher chilled liquid temperature of a first chilled liquid loop, while maintaining data center room temperature and humidity control. Specifically, the system includes a plurality of integrated cooling systems each comprising one or more specifically sized chillers and a liquid loop to address the cooling demand. A free cooling heat exchanger is coupled to the first liquid loop for use when a wet-bulb temperature surrounding the data center is at or below a free cooling set point of the first chilled liquid loop. The system isolates humidity control components to a second chilled liquid loop, and enables greater control of the first chilled liquid loop of the data center to meet specific IT loads.
    Type: Grant
    Filed: August 22, 2012
    Date of Patent: June 12, 2018
    Assignee: International Business Machines Corporation
    Inventors: Wally Karrat, Bret W. Lehman, Ronald J. Licare, Daniel Pare
  • Patent number: 9897202
    Abstract: A temperature warning method of a friction element for issuing a warning depending on temperature of the friction element arranged between a power source and a driving wheel, includes issuing the warning when the temperature of the friction element exceeds an upper limit temperature, and making a period of time, from when the temperature of the friction element exceeds the upper limit temperature until when the warning is issued, longer when the temperature of the friction element exceeds the upper limit temperature for a first time than when the temperature of the friction element exceeds the upper limit temperature for a second or subsequent time.
    Type: Grant
    Filed: February 12, 2014
    Date of Patent: February 20, 2018
    Assignee: NISSAN MOTOR CO., LTD.
    Inventors: Kenichi Ooshima, Takeshi Yamamoto, Hidetoshi Tsukidate
  • Patent number: 9845979
    Abstract: An evaporator includes a casing and a plurality of circulation units disposed on the casing. Each of the circulation units includes a flow path formed in the casing, an inlet formed in the casing for entry of one of refrigerants into the casing and fluidly communicating with the flow path, and an outlet formed in the casing spaced apart from the inlet for exit of the one of the refrigerants out the casing and fluidly communicating with the flow path. The circulation units are independent from each other and do not fluidly communicate with each other.
    Type: Grant
    Filed: December 15, 2015
    Date of Patent: December 19, 2017
    Assignee: WINWAY TECH. CO., LTD.
    Inventors: Ying-Chi Tsai, Yu-Pin Hsu, Chia-Pin Sun
  • Patent number: 9803880
    Abstract: The present disclosure discloses a remote maintenance server for remotely maintaining at least one maintenance point provided with an air conditioner having a plurality of indoor units performing air conditioning and at least one outdoor unit connected to the indoor units to drive the indoor units, the remote maintenance server including a display unit configured to display a maintenance screen for maintaining the at least one maintenance point, and a controller configured to control at least one of at least one of an operation rate for the plurality of indoor units, a set temperature, and a compression capacity of a compressor contained in the air conditioner according to a control setting value, and control the display unit to display control information which is information associated with at least one of a control status and a control result in which at least one of the control setting value, the operation rate, the set temperature and the compression capacity is controlled in a first region on the mainte
    Type: Grant
    Filed: April 10, 2015
    Date of Patent: October 31, 2017
    Assignee: LG Electronics, Inc.
    Inventors: Seunghwan Jung, Sangwoo Lee, Juntae Kim
  • Patent number: 9702603
    Abstract: Refrigeration systems and refrigerator appliances are provided. A refrigeration system includes a compressor for compressing a refrigerant, a first evaporator, and a second evaporator. The refrigeration system further includes a conduit for flowing the refrigerant through one of the first evaporator or the second evaporator, the conduit configured around the other of the first evaporator or the second evaporator such that heat exchange occurs between the refrigerant flowing through the conduit and the other of the first evaporator or the second evaporator.
    Type: Grant
    Filed: January 7, 2014
    Date of Patent: July 11, 2017
    Assignee: Haier US Appliance Solutions, Inc.
    Inventor: Jianwu Li
  • Patent number: 9677798
    Abstract: A refrigerating device includes a compressor, a temperature detector and a protection control section. The compressor compresses a refrigerant. The temperature detector detects a temperature of the refrigerant discharged from the compressor on an outside of the compressor. The protection control section judges that a transition following a starting of the compressor is in effect and that a steady state following an end of the transition in which a state of the refrigerant is stable is in effect, performs protection control on the compressor when a detected temperature detected by the temperature detector exceeds a first determination temperature during the transition, and performs the protection control on the compressor when the detected temperature exceeds a second determination temperature during the steady state.
    Type: Grant
    Filed: April 30, 2013
    Date of Patent: June 13, 2017
    Assignee: Daikin Industries, Ltd.
    Inventors: Akinori Nakai, Daisuke Toyoda
  • Patent number: 9657969
    Abstract: A multi-evaporator cooling system includes a compressor circuit that generates multiple levels of evaporating pressures, the circuit comprising at least one compressor configured to compress a refrigerant to a first pressure, a heat exchanger configured to receive the compressed refrigerant from the at least one compressor and cool the compressed refrigerant, a first evaporator circuit configured to receive the compressed refrigerant from the heat exchanger, expand the compressed refrigerant to a second pressure that is lower than the first pressure, and return the refrigerant to the compressor circuit, and a second evaporator circuit configured to receive the compressed refrigerant from the heat exchanger, expand the compressed refrigerant to a third pressure that is lower than the second pressure, and return the refrigerant to the compressor circuit.
    Type: Grant
    Filed: December 30, 2014
    Date of Patent: May 23, 2017
    Assignees: Rolls-Royce Corporation, Rolls-Royce North American Technologies, Inc.
    Inventors: Igor Vaisman, Patrick C. Sweeney
  • Patent number: 9638472
    Abstract: A cooling recover system and method are disclosed. A fluid, such as water, is chilled and provided to a cooling coil to cool and dehumidify air passing over the cooling coil. The fluid is output from the cooling coil through an outlet, and at least a portion of the fluid from the outlet of the cooling coil is provided to an inlet of a heat transfer coil to reheat air passing over the heat transfer coil. The fluid is warmed as it passes through the cooling coil, which warmer temperature serves to reheat the air passing over the heat transfer coil.
    Type: Grant
    Filed: April 1, 2013
    Date of Patent: May 2, 2017
    Inventor: Scot M. Duncan
  • Patent number: 9587851
    Abstract: The present invention discloses a dehumidifier and a float assembly thereof, wherein the float assembly comprises a float, a press plate, a suction pipe, and a rotation shaft. The float, the suction pipe, and the press plate are fixedly connected to the rotation shaft respectively, and the suction pipe and the float are arranged at the same side of the rotation shaft, so that the suction pipe is driven by the float to synchronously rise up or fall down along with variation of water level of a water tank; the press plate is driven by the float to control a draining pump to drain when the water tank is at the high water level, thereby realizing automatic drainage. The present invention doesn't need to dispose both a fixed water tank and a movable water tank.
    Type: Grant
    Filed: December 30, 2014
    Date of Patent: March 7, 2017
    Assignee: TCL AIR CONDITIONER (ZHONGSHAN) CO., LTD.
    Inventors: Xiongfeng Wu, Xianxiong Zhang
  • Patent number: 9541313
    Abstract: A refrigerating device that forms a refrigerating cycle in which a plurality of outdoor machines 1a and 1b provided at least with compressors 2a and 2b, condensers 4a and 4b, and accumulators 5a and 5b respectively and an indoor machine 20 provided with decompressing means 21 and an evaporator 22 are connected in parallel by piping, having oil return pipes 13a and 13b that return refrigerator oil stored in the accumulators into the compressors, an oil equalizing pipe 10 that connects the accumulators to each other, and a controller 30 that controls an operation of the compressor and on/off of an electromagnetic valve 12a deposed on the oil equalizing pipe.
    Type: Grant
    Filed: March 11, 2010
    Date of Patent: January 10, 2017
    Assignee: MITSUBISHI ELECTRIC CORPORATION
    Inventors: Takashi Ikeda, Tomotaka Ishikawa, Hiroshi Sata, Fumitake Unezaki
  • Patent number: 9523290
    Abstract: A Rankine cycle includes a refrigerant pump, a heat exchanger, an expander and a condenser. The Rankine cycle further includes a clutch provided in a power transmission path extending from an engine to the refrigerant pump. Prior to the operation of the Rankine cycle and during the deceleration of the vehicle, the clutch is fastened and the refrigerant pump is driven with use of the vehicle inertia force.
    Type: Grant
    Filed: July 24, 2012
    Date of Patent: December 20, 2016
    Assignee: SANDEN HOLDINGS CORPORATION
    Inventors: Shinichiro Mizoguchi, Satoshi Ogihara, Hirofumi Wada
  • Patent number: 9410547
    Abstract: A compressor includes a casing configured to store lubricating oil in a bottom part, and a compression mechanism accommodated in an interior of the casing. Lubricating oil is separated out from high-pressure refrigerant discharged from the compression mechanism. Lubricating oil separated out by the oil separator flows from a high-pressure space formed in the interior of the casing and into which the high-pressure refrigerant flows. An ejector mechanism is disposed in the interior of the casing, preferably in the high-pressure space. The ejector mechanism includes a refrigerant-accelerating flow path in which the high-pressure refrigerant flows via a narrowed part in order to increase a flow rate of the high-pressure refrigerant, and an oil suction flow path merging with the refrigerant-accelerating flow path.
    Type: Grant
    Filed: January 27, 2011
    Date of Patent: August 9, 2016
    Assignee: Daikin Industries, Ltd.
    Inventors: Toshiyuki Toyama, Takashi Uekawa
  • Patent number: 9368377
    Abstract: The present invention provides a temperature control unit for an electrostatic adsorption electrode that is capable of controlling the wafer temperature rapidly over a wide temperature range without affecting in-plane uniformity while high heat input etching is conducted with high wafer bias power applied. A refrigerant flow path provided in the electrostatic adsorption electrode serves as an evaporator. The refrigerant flow path is connected to a compressor, a condenser, and a first expansion valve to form a direct expansion type refrigeration cycle. A second expansion valve is installed between the electrostatic adsorption electrode and the compressor to adjust the flow rate of a refrigerant. This makes it possible to compress the refrigerant in the refrigerant flow path of the electrostatic adsorption electrode and adjust the wafer temperature to a high level by raising the refrigerant evaporation temperature.
    Type: Grant
    Filed: August 9, 2007
    Date of Patent: June 14, 2016
    Assignee: HITACHI HIGH-TECHNOLOGIES CORPORATION
    Inventors: Takumi Tandou, Kenetsu Yokogawa, Masaru Izawa
  • Patent number: 9310087
    Abstract: A system and method for conditioning air is provided. A building has a hot water source and a cold water source. The system includes at least one heating-cooling unit, a primary water storage device, at least one heat pump, and a controller. The heating-cooling unit transfers heat into or out of air passing within an air handling system of the building. The primary water storage device stores a volume of water within a predetermined temperature range. The primary water storage device is in communication with the hot water source and the cold water source. The heat pump is connected to the primary water storage device and a chilled beam. The controller selectively drives the heat pump to transfer heat between the primary water storage device and the chilled beam. The controller selectively controls the system to transfer heat into or out of the primary water storage device.
    Type: Grant
    Filed: September 29, 2010
    Date of Patent: April 12, 2016
    Assignee: Carrier Corporation
    Inventors: Michel Grabon, Shui Yuan, Yuhui Kuang, Dong Luo, Stella M. Oggianu
  • Patent number: 9219398
    Abstract: A blower motor assembly having a variable speed motor that is suitable for replacing a PSC motor in a residential HVAC (heating, ventilation, and air conditioning) system. The blower motor assembly includes a variable speed motor and motor controller; a first power input for receiving a plurality of AC power signals from a control device for use in determining an operating parameter for the motor; and a second power input for receiving AC power from an AC power source for powering the motor controller even when no AC power signals are received by the first power input.
    Type: Grant
    Filed: June 7, 2013
    Date of Patent: December 22, 2015
    Assignee: Nidec Motor Corporation
    Inventor: Arthur E. Woodward
  • Patent number: 9182157
    Abstract: A refrigerator includes a refrigerator cabinet, a refrigerator compartment disposed within the refrigerator cabinet, a refrigerator compartment door for providing access to the refrigerator compartment, an ice maker on the refrigerator compartment door, a thermoelectric cooler associated with the ice maker and operatively connected to the refrigerator compartment door, the thermoelectric cooler having a first side and an opposite second side, and a cooling loop operatively connected to the refrigerator compartment door and configured for cooling the thermoelectric cooler.
    Type: Grant
    Filed: December 3, 2012
    Date of Patent: November 10, 2015
    Assignee: Whirlpool Corporation
    Inventors: Patrick J. Boarman, Gregory Gene Hortin, Mark E. Thomas
  • Publication number: 20150121920
    Abstract: A refrigerator and a method for controlling the same may be provided. The refrigerator includes a compressor, a condenser condensing the refrigerant compressed in the compressor, a refrigerant tube for guiding the refrigerant condensed in the condenser, a flow adjustment part coupled to the refrigerant tube to divide the refrigerant into a plurality of refrigerant passages, a plurality of expansion devices respectively disposed in the plurality of refrigerant passages to decompress the refrigerant condensed in the condenser, a plurality of evaporators evaporating the refrigerant decompressed in the plurality of expansion devices, and a supercooling heat exchanger disposed at an outlet-side of the condenser to supercool the refrigerant. The refrigerant supercooled in the supercooling heat exchanger may be introduced into the flow adjustment part.
    Type: Application
    Filed: November 4, 2014
    Publication date: May 7, 2015
    Applicant: LG ELECTRONICS INC.
    Inventors: Sangbong LEE, Jangseok LEE, Hyoungkeun LIM, Myungjin CHUNG, Minkyu OH
  • Publication number: 20150121919
    Abstract: Provided are a refrigerator and a method of controlling the refrigerator. The method includes driving a refrigerating cycle that includes a first evaporator and a second evaporator by activating a compressor and simultaneously supplying cold air to a refrigerator compartment and a freezer compartment by supplying refrigerant to the first and second evaporators according to the driving of the refrigerating cycle. The method may further include preventing the refrigerant from being introduced into the second evaporator by more than a first prescribed amount by increasing, for a first prescribed amount of time, a flow rate of the refrigerant supplied to the first evaporator; and preventing the refrigerant from being introduced into the first evaporator by more than a second prescribed amount by increasing, for a second prescribed amount of time, a flow rate of the refrigerant supplied to the second evaporator.
    Type: Application
    Filed: November 3, 2014
    Publication date: May 7, 2015
    Inventors: Sangbong LEE, Jangseok LEE, Hyoungkeun LIM, Myungjin CHUNG
  • Publication number: 20150121927
    Abstract: A refrigerator is provided that may include at least one compressor that compresses a refrigerant, a condenser that condenses the refrigerant compressed in the at least one compressor, a refrigerant tube that guides the refrigerant condensed in the condenser, a plurality of evaporation passages, in which expansion devices may be respectively disposed, the plurality of evaporation passages branching from the refrigerant tube, a flow adjuster disposed in the refrigerant tube to supply the refrigerant into at least one evaporation passage of the plurality of evaporation passages, a plurality of evaporators, respectively, connected to the plurality of evaporation passages to evaporate the refrigerant decompressed in the plurality of expansion devices, and a liquid refrigerant supply device disposed at an outlet-side of the condenser to separate a liquid refrigerant of the refrigerant heat-exchanged in the condenser, thereby supplying the liquid refrigerant into the flow adjuster.
    Type: Application
    Filed: November 4, 2014
    Publication date: May 7, 2015
    Applicant: LG ELECTRONICS INC.
    Inventors: Sangbong LEE, Jangseok LEE, Hyoungkeun LIM, Myungjin CHUNG, Minkyu OH, Namsoo CHO
  • Publication number: 20150121918
    Abstract: The refrigerator includes a compressor compressing a refrigerant, a condenser condensing the refrigerant compressed in the compressor, and a dryer in which the refrigerant condensed in the condenser is introduced. The dryer removes impurities or moisture of the refrigerant. A flow adjustment part is provided on an outlet-side of the dryer to switch or control a flow direction of the refrigerant. A plurality of evaporators is connected to the flow adjustment part, and the plurality of evaporators includes a first evaporator and a second evaporator. A first refrigerant passage extends from the flow adjustment part to the first evaporator, and a second refrigerant passage extends from the flow adjustment part to the second evaporator. A guide tube extends from the dryer to one side of at least one evaporator of the plurality of evaporators to guide the refrigerant to be cooled.
    Type: Application
    Filed: November 3, 2014
    Publication date: May 7, 2015
    Inventors: Sangbong LEE, Jangseok Lee, Hyoungkeun Lim, Myungjin Chung, Minkyu Oh, Youngsu Jeong, Younggyu An
  • Publication number: 20150121926
    Abstract: A refrigerant is provided that may include at least one compressor that compresses a refrigerant, a condenser that condenses the refrigerant compressed in the at least one compressor, a first expansion device that decompresses the refrigerant condensed in the condenser, a gas/liquid separator that separates the refrigerant decompressed in the first expansion device into a liquid refrigerant and a gaseous refrigerant, first and second evaporators, to which the liquid refrigerant separated in the gas/liquid separator may be introduced, and a second expansion device disposed at an inlet-side of the second evaporator to decompress the refrigerant.
    Type: Application
    Filed: November 3, 2014
    Publication date: May 7, 2015
    Applicant: LG ELECTRONICS INC.
    Inventors: Sangbong LEE, Jangseok LEE, Hyoungkeun LIM, Myungjin CHUNG, Minkyu OH
  • Publication number: 20150101358
    Abstract: A condensate management system for an air conditioning condensate drainage system is provided. The condensate management system may comprise an inlet and an outlet; a primary condensate flow path from the inlet to the outlet; a check valve disposed along the primary condensate flow path; a flush path from the inlet to the outlet; a pump coupled to the flush path; and a logic panel configured to actuate the pump to a flushing mode. The check valve may be configured to allow fluid flow from the inlet to the outlet. When the logic panel is configured to actuate the pump to the flushing mode, the pump is configured to exert a negative pressure at the inlet and a positive pressure at the outlet. Other system and methods to flush a condensate drain system are also described.
    Type: Application
    Filed: December 23, 2014
    Publication date: April 16, 2015
    Inventors: Stewart Kaiser, William G. Williams
  • Patent number: 9004369
    Abstract: A method and system is provided which receives a desired humidity level from a user for the refrigeration compartment of a refrigerator, determines the current humidity level, and then activates an atomizer in the refrigeration compartment to increase the humidity level if needed. The humidity in the refrigeration compartment may be determined based at least in part on the temperature of the refrigeration compartment, the defrost timer, the door opening times, and the compressor timer.
    Type: Grant
    Filed: March 24, 2010
    Date of Patent: April 14, 2015
    Assignee: Whirlpool Corporation
    Inventors: Anderson Bortoletto, Rameet Singh Grewal, Guolian Wu
  • Patent number: 9002568
    Abstract: A method for conditioning one or more aspects of a vehicle, where a user may customize their vehicle by providing desired departure times and conditioning preferences so that the vehicle automatically wakes up, performs the requested conditioning, and is ready for operation by the requested departure time. Some examples of potential conditioning events include activating: a heated or cooled seat, a heated steering wheel, a heated engine block, a heated mirror, a cabin heating ventilation and air conditioning (HVAC) system, a heating or cooling element for a battery pack, a heating or cooling element for a battery charger, and a heating or cooling element for a fuel cell, to name a few.
    Type: Grant
    Filed: December 17, 2009
    Date of Patent: April 7, 2015
    Assignee: GM Global Technology Operations LLC
    Inventors: Reena L. Datta, Kevin S. Kidston, Michael R. Colville
  • Publication number: 20150075195
    Abstract: A motor control device includes a PWM signal generation unit generating a signal pattern of two of three phases so that the pattern follows a rotor position, and a timing adjusting unit. The signal generation unit increases/decreases duty in both directions of lag side and lead side based on any phase of a carrier-wave period regarding a first phase. The signal generation unit increases/decreases duty in one direction regarding a second phase. The signal generation unit increases/decreases duty in a direction opposite to the second phase regarding a third phase. The timing adjusting unit adjusts detection timing so that a current detection unit detects current in fixed timing with respect to one phase and current in another fixed timing with respect to the other phase or the current detection unit is capable of detecting current in variable timing according to magnitude of output voltage to an inverter circuit.
    Type: Application
    Filed: August 28, 2014
    Publication date: March 19, 2015
    Applicant: KABUSHIKI KAISHA TOSHIBA
    Inventor: Nobuyuki SUZUKI
  • Patent number: 8973380
    Abstract: A method of detecting loss of refrigerant within a cooling system of the type having a condenser, a refrigerant receiver in fluid communication with the condenser, a sensor configured to detect a level of refrigerant within the receiver, an evaporator in fluid communication with the receiver, and a pump or compressor in fluid communication with the evaporator and the condenser, includes establishing a baseline measurement of refrigerant mass contained in the receiver with the sensor during certain power loads applied to the cooling system, monitoring a mass of refrigerant in the receiver with the sensor at a certain power load applied to the cooling system, and identifying whether the monitored mass of refrigerant is less than the baseline measurement of refrigerant mass over a predetermined period of time. Systems for detecting loss of refrigerant are further disclosed.
    Type: Grant
    Filed: May 28, 2009
    Date of Patent: March 10, 2015
    Assignee: Schneider Electric IT Corporation
    Inventors: John H. Bean, Jr., James Richard Roesch
  • Patent number: 8973389
    Abstract: A mobile cooler having an ice maker includes: a main body having first and second spaces which are thermally blocked; a cooling device positioned at a lower portion of the main body and providing cooling air to the first and second spaces; a plurality of shelves installed in the first space; an ice tray installed in the second space; an ice bank positioned on a lower surface of the ice tray and detachably mounted in the main body; and a cover that covers an opening in which the ice bank is inserted.
    Type: Grant
    Filed: August 12, 2010
    Date of Patent: March 10, 2015
    Assignee: LG Electronics Inc.
    Inventors: Namgi Lee, Sungil Park, Sangoh Kim
  • Publication number: 20150059373
    Abstract: A refrigeration vapor compression system including a compressor, an electronic expansion valve with closed loop feedback into a controller, sensors to measure and monitor the system superheat and sub-cooling, and condenser fans controlling the flow of air through the condensing coils, the refrigeration system is operated in at least one of two functional modes to either give priority control to the level of superheat in the system or maintain a minimum level of sub-cooling in the system.
    Type: Application
    Filed: August 29, 2014
    Publication date: March 5, 2015
    Applicant: BECKETT PERFORMANCE PRODUCTS, LLC
    Inventors: Dennis R. Maiello, Michael John Dimunation
  • Publication number: 20150059376
    Abstract: Evaporative cooler apparatus includes two pumps, a primary pump which pumps water to an evaporative medium and a secondary pump for pumping water from the bottom of the cooler to drain the water reservoir of the cooler. The secondary, or drain pump includes a programmable timer that is operable by a user to select a run time duration for the pump motor from a plurality of possible run times. The programmable drain pump also includes a user control for selection of an off-state time from a plurality of available off-state times or intervals between run times of the drain pump motor. The programmable drain pump also includes a constant on control and a test control.
    Type: Application
    Filed: August 27, 2014
    Publication date: March 5, 2015
    Applicant: PHOENIX MANUFACTURING, INC.
    Inventors: Gary Stephen Jouas, John Patrick Koponen
  • Patent number: 8943849
    Abstract: An air-conditioning apparatus is provided with a heat-source device that supplies a refrigerant, a relay unit that exchanges heat of a heat medium such as water or anti-freezing fluid supplied from the heat-source device in an intermediate heat exchanger and supplies the heat medium, an indoor unit that exchanges heat between a use side heat exchanger through which the heat medium supplied from the relay unit flows and indoor air and performs cooling or heating in the indoor space, a controller that controls operations of the heat-source device, the relay unit and the indoor unit, and a third temperature sensor that detects the temperature of the heat medium flowing through the use side heat exchanger, and if an abnormality in at least one of the heat-source device and the relay unit is detected, the controller continues the operation of the indoor unit while the temperature detected by the third temperature sensor remains within a first predetermined temperature range.
    Type: Grant
    Filed: March 23, 2009
    Date of Patent: February 3, 2015
    Assignee: Mitsubishi Electric Corporation
    Inventors: Shigeo Takata, Kouji Yamashita
  • Patent number: 8943846
    Abstract: Provided are apparatus, including electronic thermostats, for detecting temperatures and elapsed times and, in response to those temperatures and elapsed times, controlling the opening or closing of an electric circuit.
    Type: Grant
    Filed: August 21, 2013
    Date of Patent: February 3, 2015
    Assignee: Red Dot Corporation
    Inventors: Jason Vance Hartley, Peder Hamberg, Karl David Leingang
  • Patent number: 8943845
    Abstract: An appliance for conditioning air of an associated room and an associated method for controlling an air conditioner are disclosed, the controller selectively adjusting operation of the air conditioning appliance based on historical operating data. The controller adjusts a set-point of the appliance for a preselected period of time in response to the historical operating data of the appliance when the appliance operates in an energy savings mode. The controller is configured to receive and process data relating to the rate of change in the temperature. Further, an override feature may be included to maintain operation of the appliance in a normal operation mode if ambient temperature reaches a predetermined threshold value. Another feature is that the controller determines whether the compressor has been operational less than a preselected period of time and, if so, the compressor is operated until such time period has elapsed.
    Type: Grant
    Filed: July 12, 2010
    Date of Patent: February 3, 2015
    Assignee: General Electric Company
    Inventors: Robert Lafleur, John K. Besore, Natarajan Venkatakrishnan
  • Patent number: 8935934
    Abstract: Disclosed is a process of determining, at a point during shipment, whether the solid phase refrigerant in a shipment is sufficient to preserve the shipment cargo, which is blood or other biological products, for the remaining shipment period, by: monitoring the temperatures encountered to said point and estimating the temperatures likely to be encountered during the remaining shipment period; determining the likelihood that the remaining refrigerant can maintain the shipment cargo within a specified temperature range during the remaining shipment period; and if the risk that the remaining refrigerant cannot maintain the shipment cargo within said range during the remaining shipment period is above a cut-off level, then taking action to preserve the value of the cargo.
    Type: Grant
    Filed: December 4, 2013
    Date of Patent: January 20, 2015
    Assignee: TCP Reliable, Inc.
    Inventor: Maurice Barakat
  • Patent number: 8909390
    Abstract: A charging start time and preliminary air conditioning time are calculated based on the departure time that is set with a control/operation device (S108), and the charging time and preliminary air conditioning time are set (S110). Then, a control is executed to start charging when at the charging start time (S112 to 116) and preliminary air conditioning may be started when the amount of charge is sufficient for preliminary air conditioning and a preliminary air conditioning starting trigger is detected, that is locking or preparation for leaving house is detected, for example (S118 to 128).
    Type: Grant
    Filed: June 29, 2011
    Date of Patent: December 9, 2014
    Assignees: Toyota Jidosha Kabushiki Kaisha, Denso Corporation
    Inventors: Hiromi Tonegawa, Katsutoshi Murawaka, Tetsuhiro Ishikawa, Shinji Ichikawa, Daisuke Ishii
  • Publication number: 20140352337
    Abstract: The Fridge/Freezer Miser is a new device that allows the refrigerator or freezer that will run about half the time of normal and maintain food freshness while saving from 50% to almost 70% on the monthly electric bill.
    Type: Application
    Filed: June 3, 2013
    Publication date: December 4, 2014
    Inventor: Kenneth Glaser
  • Patent number: 8887518
    Abstract: A method of reducing a cyclical loss coefficient of an HVAC system efficiency rating of an HVAC system includes operating the HVAC system using a recorded electronic expansion valve position of an electronic expansion valve of the HVAC system, discontinuing operation of the HVAC system, and resuming operation of the HVAC system using an electronic expansion valve position that allows greater refrigerant mass flow through the expansion valve as compared to the recorded electronic expansion valve position.
    Type: Grant
    Filed: September 30, 2010
    Date of Patent: November 18, 2014
    Assignee: Trane International Inc.
    Inventors: Kevin B. Mercer, John R. Edens, Jonathan David Douglas
  • Patent number: 8881540
    Abstract: Disclosed is a process of determining, at a point during shipment, whether the solid phase refrigerant in a shipment is sufficient to preserve the shipment cargo, which is blood or other biological products, for the remaining shipment period, by: monitoring the temperatures encountered to said point and estimating the temperatures likely to be encountered during the remaining shipment period; determining the likelihood that the remaining refrigerant can maintain the shipment cargo within a specified temperature range during the remaining shipment period; and if the risk that the remaining refrigerant cannot maintain the shipment cargo within said range during the remaining shipment period is above a cut-off level, then taking action to preserve the value of the cargo.
    Type: Grant
    Filed: January 27, 2014
    Date of Patent: November 11, 2014
    Assignee: TCP Reliable, Inc.
    Inventors: Maurice Barakat, Saak Dertadian