Humidity Sensor Controls Humidifier Patents (Class 165/229)
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Patent number: 11555619Abstract: An air conditioner according to the present invention includes: an air flow path through which air flows; a temperature control unit that controls a temperature of air in the air flow path; a humidifier capable of supplying vapor to the air flow path; a blower that has a suction port connected to a downstream opening of the air flow path, and a discharge port from which air sucked from the suction port is discharged; a chamber that has a communication port connected to the discharge port, and a plurality of duct connection ports configured to be connectable to ducts so as to let out air coming from the discharge port through the ducts; and a baffle plate part 8 disposed in the chamber, the baffle plate part overlapping at least partly with the discharge port when seen along a flow direction of air passing through the discharge port.Type: GrantFiled: February 5, 2018Date of Patent: January 17, 2023Assignee: Shinwa Controls Co., Ltd.Inventors: Hideaki Furumoto, Kazushige Takahira
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Patent number: 11168548Abstract: A gas compressor system is provided to operate at a well site and to inject a compressible fluid into a wellbore in support of a gas-lift operation. Methods and systems are provided that allow for the automated individual control of discharge temperatures from coolers for gas injection, in real time, wherein the temperature control points of the first and/or second stage cooler discharges are automatically controlled by a process controller in order to push heat produced by adiabatic compression to a third or final compression stage. In this way, discharge temperatures at the final stage are elevated to maintain injection gaseous mixtures in vapor phase.Type: GrantFiled: April 4, 2020Date of Patent: November 9, 2021Assignee: Encline Artificial Lift Technologies LLCInventor: William G. Elmer
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Patent number: 11125457Abstract: A system for detecting and mitigating a refrigerant leak includes a temperature control device configured to transmit control signals to a component controller and a blower configured to circulate air. The system includes a leak mitigation controller electrically coupled to the temperature control device and the component controller. The leak mitigation controller directs incoming power to the temperature control device. The leak mitigation controller includes a sensor configured to measure a refrigerant concentration and a relay configured to selectively: (i) connect the temperature control device to the incoming power or (ii) connect the blower to the incoming power. The leak mitigation controller is configured to measure the refrigerant concentration with the sensor and, in response to the measured refrigerant concentration exceeding a threshold, actuate the relay to connect the blower to the incoming power.Type: GrantFiled: July 16, 2020Date of Patent: September 21, 2021Assignee: Emerson Climate Technologies, Inc.Inventors: David A. Alfano, Stuart K. Morgan
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Patent number: 10760797Abstract: A system for purifying and pre-conditioning intake air in an air conditioning unit comprises an energy exchange unit having an air inlet, an air outlet, a primary air flow running from the air inlet to the air outlet, and an active energy exchanging element or elements, and at least one spray washer having at least one nozzle, the spray washer positioned between the air inlet and the next active element, wherein the at least one spray washer is configured to dispense droplets of a fluid into the intake air from the at least one nozzle. A method for purifying and pre-conditioning intake air in an air conditioning unit is also described.Type: GrantFiled: November 30, 2018Date of Patent: September 1, 2020Inventors: Grahame Ernest Maisey, Beverly Milestone
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Patent number: 10220178Abstract: A method and apparatus for delivering breathable gas to a user includes a humidifying unit that is controllable to humidify the gas in accordance with a variable humidity profile such that the gas is delivered to the user at variable humidity levels, e.g., during a treatment session.Type: GrantFiled: August 7, 2014Date of Patent: March 5, 2019Assignee: ResMed LimitedInventor: Philip Rodney Kwok
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Patent number: 9854655Abstract: An air stream controller and a system for static charge reduction comprising such air stream controller are disclosed. The air stream controller comprises an enclosed hollow body having a first surface and a second surface, wherein, an opening is on the first surface facing an incoming tubing of a device for static charge reduction for receiving air stream from the device for static charge reduction, wherein an outgoing tubing of the device for static charge reduction is attached onto the second surface of the enclosed hollow body for discharging the air stream. A technical solution to more effectively prevent the “leaking of air stream passage” can be achieved through the design of a multi-holes structure at the air passage to more broadly expand its air sucking area coverage without increasing the original suction power.Type: GrantFiled: November 14, 2013Date of Patent: December 26, 2017Assignee: ESD TECHNOLOGY CONSULTING & LICENSING CO., LTD.Inventor: Kek Hing Kow
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Patent number: 9266407Abstract: A climate control system for a vehicle and a method of control. The climate control system may include a trim component and a ventilation system. The ventilation system may have a desiccant having volcanic rock particles. Air is circulated through the desiccant to reduce air humidity in the vehicle passenger compartment.Type: GrantFiled: March 13, 2012Date of Patent: February 23, 2016Assignee: Ford Global Technologies, LLCInventors: Johnathan Andrew Line, Michael Kolich, Paul Bryan Hoke
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Patent number: 9261288Abstract: An air conditioning system processes sensible heat load and latent heat load of a target space, and adjusts temperature and humidity of the target space. The air conditioning system includes a cooling heat exchanger circulating a heat exchanging medium to cool and dehumidify air blown into the target space, a heater heating the air cooled and dehumidified by the heat exchanger, a staged variable speed fan creating a flow of the air blown into the target space through the heat exchanger and the heater, and a control unit. The control unit has a cooling adjusting unit adjusting a quantity of cooling supplied from the heat exchanging medium to the air in the heat exchanger, a heating adjusting unit adjusting a quantity of heating supplied from the heater to the air, and an air flow adjusting unit adjusting an air flow volume supplied by the fan.Type: GrantFiled: December 26, 2012Date of Patent: February 16, 2016Assignee: Daikin Industries, Ltd.Inventors: Yasunori Okamoto, Koichi Ishida, Yoshihiro Nakagawa, Hideki Uchida, Tetsurou Iwata
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Patent number: 8831785Abstract: A system for multi-stage control of humidity in fluid flow supplied to at least one information technology apparatus includes a sensor, a first stage apparatus configured to vary humidity levels in the fluid flow, and a second stage apparatus positioned downstream of the first stage apparatus along the fluid flow to further vary humidity levels in the fluid flow. The system also includes a controller configured to receive environmental condition information from the sensor, to determine whether the information indicates that the humidity level is outside of a predetermined range, and to manipulate an operation of at least one of the first stage apparatus and the second stage apparatus to vary the humidity level in the fluid flow in response to the information indicating that the humidity level is outside of the predetermined range.Type: GrantFiled: October 30, 2008Date of Patent: September 9, 2014Assignee: Hewlett-Packard Development Company, L.P.Inventors: Amip Shah, Cullen Bash
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Publication number: 20120111554Abstract: An automated indoor water display system has a panel. A pump is operable to pump water from a reservoir to the panel in a manner that causes water to flow over at least a portion of the panel. The panel is held in a housing adapted to limit escape of moisture from the housing. The system can include a humidity control system operable to increase and/or decrease humidity in response to a humidity sensor. The system can include an ultraviolet sanitization system that limits microbial growth in the system. The system can also include a cleaning system that automatically exchanges water in the system with fresh water while the pump operates continuously during the exchange. The system can also include a fan positioned to direct airflow from the room containing the display unit toward the water flowing over the body to enhance removal of airborne contaminants from the air.Type: ApplicationFiled: May 3, 2010Publication date: May 10, 2012Applicant: HUMIDIFALL, LLCInventor: Jim Wilson
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Patent number: 7983800Abstract: An apparatus for controlling a fan motor of an air conditioner comprises: a hybrid induction motor (HIM) for discharging warm air outwardly by a control signal; a temperature detecting unit for detecting a temperature of an evaporator; and a controlling unit for comparing the temperature of the evaporator with a preset temperature, and outputting a control signal to control the HIM based on a result of the comparison.Type: GrantFiled: December 27, 2006Date of Patent: July 19, 2011Assignee: LG Electronics Inc.Inventors: Seung-Suk Oh, Dong-Il Lee, Hyoun-Jeong Shin
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Patent number: 7155318Abstract: In a method of operating an air conditioning unit to reduce moisture varying operations, psychrometric chart data is accessed. In addition, a constraint is set on the relationship between the temperature of air supplied by the air conditioning unit and the relative humidity of the air supplied based upon information contained in the psychrometric chart data. The air conditioning unit is controlled based upon the constraint to thereby reduce moisture varying operations of the air conditioning unit.Type: GrantFiled: November 5, 2004Date of Patent: December 26, 2006Assignee: Hewlett-Packard Development Company, LP.Inventors: Ratnesh K. Sharma, Cullen E. Bash, Chandrakant D. Patel
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Patent number: 6959875Abstract: A humidity control apparatus is provided with two adsorbing elements. The humidity control apparatus alternately repeats a first operation for dehumidifying air in the first adsorbing element while regenerating the second adsorbing element and a second operation for dehumidifying air in the second adsorbing element while regenerating the first adsorbing element. The second air taken into the humidity control apparatus is formed of a mixture of room air and outside air. In the humidity control apparatus, a mixture ratio between the room air and the outside air in the second air is variable.Type: GrantFiled: October 22, 2002Date of Patent: November 1, 2005Assignee: Daikin Industries, Ltd.Inventors: Tomohiro Yabu, Yoshimasa Kikuchi
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Publication number: 20040099411Abstract: Methods and apparatus for controlling a climate control system for an enclosure are described. The invention includes a controller for operating a cooling system and a humidification system. The cooling system is operated to maintain the temperature of the air within the enclosure at a specified value, and the humidification system is operated to maintain the humidity of the air within the enclosure at a specified value. Provisions are made to help ensure that the humidification system does not provide water to the air during periods when the minimum value of the temperature of the air provided by the cooling system is below the dew point temperature of the air.Type: ApplicationFiled: November 25, 2002Publication date: May 27, 2004Applicant: Honeywell International Inc.Inventors: Timothy J. Kensok, Timothy M. Tinsley
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Patent number: 6415859Abstract: A dehumidified/humidified air supply apparatus includes two sets of air passages including heating units disposed at an upstream side thereof, a dehumidifying/humidifying unit having two portions disposed at a downstream side thereof and a blower. When dehumidified air is supplied by the dehumidifying/humidifying unit of the first air passage, the dehumidifying/humidifying unit is dehumidified by air which is heated by the heating unit of the second air passage. When humidified air is supplied by the heating unit of the first air passage and the dehumidifying/humidifying unit, the dehumidifying/humidifying unit is humidified by air of the second air passage. The dehumidifying/humidifying unit is moved between the first air passage and the second air passage by a driving unit.Type: GrantFiled: May 12, 2000Date of Patent: July 9, 2002Assignee: Daikin Industries, Ltd.Inventors: Keiichiro Kametani, Shigehito Ota
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Patent number: 6079483Abstract: In a main controller for use in an air conditioner for controlling temperature/humidity of an intaken outside air, a controlling line setter (18) sets each of control lines (J.sub.1 -J.sub.5) on a psychrometric chart table (13), in which an aimed temperature/humidity line (Lo) is formed by connecting an upper limit state point (Ps) and a lower limit state point (Pw) of condition air from each of the outside air state points (G.sub.1 -G.sub.5) to the aimed temperature/humidity line (Lo). The controlling line (J.sub.1 -J.sub.5) is formed by connecting necessary lines selected from a main heating line (H.sub.L) showing the heating operation of a main heater (H), an adiabatic humidifying line (W.sub.L) showing the humidifying operation of an adiabatic humidifying device (W), a cooling line (C.sub.L) showing the cooling operation of a cooler (C) and an auxiliary heating line (RH.sub.Type: GrantFiled: March 23, 1999Date of Patent: June 27, 2000Assignee: Trinity Industrial CorporationInventors: Hideaki Morooka, Yoshio Suzuki, Naoki Mawatari, Muneo Ueda
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Patent number: 6027030Abstract: A humidifying system containing at least one compressed-air sprayer with a compressed-air input, a water input and an outlet valve for compressed air and water, compressed-air pressure regulators for regulating the pressure of the compressed air that is to be inputted, water pressure regulators for regulating the pressure of the water that is to be inputted, and at least one humidity sensor for measuring the humidity of the air that is humidified or that is to be humidified. The humidifying system also has controls which are actively connected to compressed air pressure regulators and/or water pressure regulators and to the humidity sensor (of which there is at least one).Type: GrantFiled: May 11, 1998Date of Patent: February 22, 2000Assignee: Spray Systems Europe AGRIMA-Sse-B.V.Inventor: Harold Theo Agnes Buijsse
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Patent number: 5984002Abstract: A temperature and humidity control apparatus includes a humidity control section for controlling humidity when a flow rate of a low temperature fluid in a cooling dehumidifier composed of a heat exchanger is determined; a heater control section for controlling temperature when a flow rate of a high temperature fluid in a heater; and a predicting device for predicting an amount of temperature change caused by an operation of the cooling dehumidifier. The amount of predicted temperature change is canceled when the flow rate of the high temperature fluid in the heater is determined in the heater control section, and the flow rate of the high temperature fluid in the heater is determined so that the setting temperature can be realized.Type: GrantFiled: August 29, 1995Date of Patent: November 16, 1999Assignee: Konica CorporationInventors: Kazuhiro Kido, Masaya Shimoji, Nakamasa Satoh
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Patent number: 5901905Abstract: A method and an apparatus for sensing an illuminance and a temperature around a humidifier and controlling a humidifying operation is disclosed. An illuminance inside a room in which a humidifying operation is applied by the humidifier is sensed by an illuminance sensor. The humidifying operation of the humidifier is operated in a sleeping humidification mode when the sensed illuminance is lower than a reference illuminance. The humidifying operation of the humidifier is operated in a normal humidification mode when the sensed illuminance is higher than the reference illuminance. A temperature inside the room in which the humidifying operation is applied by the humidifier is sensed by a temperature sensor. The humidifier executes a heater humidification and an ultrasonic humidification when the sensed temperature is lower than a reference temperature. The humidifier stops the heater humidification and executes the ultrasonic humidification when the sensed temperature is higher than the reference temperature.Type: GrantFiled: December 10, 1997Date of Patent: May 11, 1999Assignee: Daewoo Electronics Co., Ltd.Inventor: Woong Jung
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Patent number: 5857616Abstract: A system for regulating the amount of fog produced by foggers in a humidification system in which a control signal calling for a certain amount of humidification from foggers is used and wherein the foggers require pressurized air and water to produce fog for an air stream. The pressure differential between the air and water to the foggers is varied according to the amount of required humidification. The pressure differential may be regulated with a pneumatic device or with an electronic control.Type: GrantFiled: November 7, 1997Date of Patent: January 12, 1999Assignee: Cool Fog Systems, Inc.Inventors: Robert S. Karnoff, Brian J. Early, Albert R. Thierfelder
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Patent number: 5722587Abstract: Disclosed is a method of controlling a humidifier. The method comprises the steps of recording a humidity of a room, setting a desirable humidity and the operating time by handling a key input section, recording a first present time, recording a second present time when the humidity in the room has reached a predetermined humidity, recording an elapsed time from the first present time to the second present time, comparing the elapsed time with the look-up tables, determining the volume of the room, and operating a vibrator with a predetermined frequency according to the volume of the room. The method make the humidifier supply a proper amount of atomized water into the room in accordance with the volume of the room, thereby providing an optimum humidity in the room.Type: GrantFiled: September 16, 1996Date of Patent: March 3, 1998Assignee: Daewoo Electronics Co., Ltd.Inventor: Woong Jung
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Patent number: 5632333Abstract: A temperature and humidity adjusting apparatus has an air cooling and dehumidifying device, an air heater and a humidifier arranged in order. The air cooling and dehumidifying device includes thermoelements that use the Peltier effect. The humidifier includes hollow yarn bodies, each of which are formed by winding metal wire that serves as a heater on the outer periphery of a hollow yarn that is formed into hollow construction from heat resistant fiber. The humidifier also includes means for supplying water to each of the hollow yarn bodies and a power supply that supplies power to the metal wire.Type: GrantFiled: October 28, 1994Date of Patent: May 27, 1997Assignee: Kabushiki Kaisha Komatsu SeisakushoInventors: Toshihide Imamura, Kanichi Kadotani, Katsuyoshi Ito