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公开(公告)号：US20240310065A1
公开(公告)日：2024-09-19
申请号：US18185715
申请日：2023-03-17
CPC分类号： F24F11/32 , F24F11/52 , F24F11/77 , F24F11/80 , F24F2110/65 , F24F2221/34
摘要： A method of operating a HVAC system is provided. The method includes transferring heat between airflow and a heating element in the duct system. The heating element is configured to receive a fuel and ignite the fuel to heat the heating element. The method includes measuring a change in at least one gas property value of the airflow in the duct system using a leak detection sensor, where the change in the at least one gas property value is indicative of a gas leaked into the duct system. The method includes determining a concentration of the leaked gas based at least in part upon the change in the at least one gas property value and determining that the concentration as measured by the leak detection sensor has a negative value, where the negative value is indicative of the leaked gas comprising fuel.
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公开(公告)号：US12085300B2
公开(公告)日：2024-09-10
申请号：US17252090
申请日：2019-06-13
申请人： COWAY CO., LTD.
发明人： Shin Il Choi , Young Mi Lee
IPC分类号： F24F11/77 , F24F3/16 , F24F8/10 , F24F11/64 , F24F110/64
CPC分类号： F24F11/77 , F24F3/16 , F24F8/10 , F24F11/64 , F24F2110/64
摘要： Disclosed are an air purifying apparatus and a method for controlling the same. Specifically, disclosed are an air purifying apparatus and a method for controlling the same, in which the air purifying apparatus includes: a fan 100 for discharging air; a sensor 200; and a controller 300 that controls a rotation of the fan 100, in which the controller 300 includes: a variation calculation module 310 for calculating a rotation speed of the fan 100, a variation in the rotation speed of the fan 100, and a variation in a concentration of particles measured by the sensor 200, for a preset time interval from a reference time; a standard score calculation module 320 for calculating, by using a preset first method, the calculated rotation speed of the fan 100, the calculated variation in the rotation speed of the fan 100, and the calculated variation in the concentration of particles for the preset time interval from the reference time respectively as standard score values for the preset time interval from the reference time, summing up the standard score values, and repeating the calculating and summing to calculate a plurality of summed standard score values; a learning module 330 for storing, as optimum values of the reference time, the rotation speed of the fan 100, the variation in the rotation speed of the fan 100, and the variation in the concentration of particles, which correspond to a highest value among the plurality of summed standard score values; and an artificial intelligence control module 340 for controlling, at every reference time, the rotation speed of the fan 100 in accordance with the rotation speed of the fan 100 corresponding to the optimum values stored in the learning module 330.
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公开(公告)号：US20240263817A1
公开(公告)日：2024-08-08
申请号：US18291023
申请日：2022-09-15
申请人： AIR PURITY LTD
发明人： Darren SLOOF , Francesco PODERICO
IPC分类号： F24F11/30 , F24F11/77 , F24F11/89 , F24F110/64
CPC分类号： F24F11/30 , F24F11/77 , F24F11/89 , F24F2110/64
摘要： An air quality monitoring system comprising: a plurality of particulate matter, PM, sensors, the plurality of PM sensors positioned at a corresponding plurality of positions in a monitoring area; and an air quality processing device coupled to each of the plurality of PM sensors via a communications network, the air quality processing device configured to: receive a particulate level signal from at least two of the plurality of PM sensors; and determine particulate matter flow between the at least two PM sensors based on the corresponding particulate level signals.
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公开(公告)号：US12055314B2
公开(公告)日：2024-08-06
申请号：US18096579
申请日：2023-01-13
发明人： Dong Yoon Lee , Do-Hoon Kim , Joon-Ho Yoon , Chul Ju Lee , Jun Woo Kim , Bu Youn Lee , Jung Dae Lee , Sung-June Cho
IPC分类号： F24F13/22 , F24F1/0011 , F24F1/0014 , F24F1/0022 , F24F1/0033 , F24F1/0047 , F24F1/0059 , F24F1/32 , F24F1/34 , F24F11/77 , F24F11/79 , F24F13/10 , F24F13/20 , F24F13/24 , F24F13/28 , F24F13/30
CPC分类号： F24F13/222 , F24F1/0011 , F24F1/0014 , F24F1/0022 , F24F1/0033 , F24F1/0047 , F24F1/0059 , F24F1/32 , F24F1/34 , F24F11/77 , F24F11/79 , F24F13/10 , F24F13/20 , F24F13/22 , F24F13/24 , F24F13/28 , F24F13/30 , F24F2013/227 , F24F2221/28
摘要： In an air conditioner, a drain extraction unit and a refrigerant pipe connecting unit may be disposed in a blocking region in which a discharge port is not provided so that a size of the discharge port may be secured and the discharge port may be uniformly disposed, thereby generating uniform airflow in a room. In a lower housing formed in a circular shape, some of components inside an indoor unit of the air conditioner may be disposed in a protrusion portion that protrudes from the circular housing, thereby facilitating the installation of the air conditioner. A condensate water collecting space disposed outside the housing may be provided in a drain tray, thereby efficiently preventing a leakage due to condensate water generated outside the housing. The housing, the drain tray, and the cover member of the air conditioner may be coupled by a coupling member coupled outside.
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公开(公告)号：US12044426B2
公开(公告)日：2024-07-23
申请号：US18106178
申请日：2023-02-06
发明人： Akira Komatsu , Shuuichi Tanaka , Tooru Fujimoto
IPC分类号： F24F11/77 , F24F11/63 , F24F110/30 , F24F110/40 , G05B19/042
CPC分类号： F24F11/77 , F24F11/63 , G05B19/042 , F24F2110/30 , F24F2110/40 , G05B2219/2614
摘要： A fan unit reduces the number of man-hours for a preliminary test and eliminates the need for a trial run at the time of duct connection are realized. A second controller acquires: a rotation speed of a fan motor of a second fan; a volume of air, a wind speed, or front-rear differential pressure of the second fan; and an air volume target value or a wind speed target value for the second fan, and calculates a rotation speed target value Ny for the fan motor 31b by using a first function: Ny=(Qy/Qx)2×ΔPx×{m×(Qy/Qx)×Vx+p}+n×(Qy/Qx)×Vx+q. Furthermore, when the front-rear differential pressure fluctuates and the wind speed is decreased from Vt to V, the second controller calculates a rotation speed change amount to the rotation speed target value by using a second function: ΔN=a×(Vt−V).
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公开(公告)号：US20240230138A9
公开(公告)日：2024-07-11
申请号：US18547909
申请日：2021-04-27
发明人： Harumi YAMAGUCHI , Shinichi ITO
摘要： An air-sending device includes a fan configured to blow air into a space, an airflow direction adjusting unit configured to adjust an airflow direction of the air blown out from the fan, and a controller configured to control the fan and the airflow direction adjusting unit. The controller is configured to, when a predetermined condition is met, execute a forced swing mode regardless of a setting made by a user for the airflow direction. In the forced swing mode, a swing operation is forcibly performed in which the airflow direction adjusting unit is controlled to change the airflow direction over time.
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公开(公告)号：US12018854B2
公开(公告)日：2024-06-25
申请号：US17099005
申请日：2020-11-16
发明人： Xiaolin Hu , Wenjing Ke
摘要： A constant air volume control method includes acquiring a target air volume for a ventilation device, detecting a present rotational speed and a present torque of a motor of the ventilation device, selecting an air volume calculation formula corresponding to the target air volume according to a preset correspondence relation between air volumes and air volume calculation formulas, calculating a present air volume corresponding to the present rotational speed and the present torque, and adjusting motor parameters of the ventilation device according to a difference between the present air volume and the target air volume.
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公开(公告)号：US11971188B2
公开(公告)日：2024-04-30
申请号：US18105125
申请日：2023-02-02
发明人： Akira Komatsu , Shuuichi Tanaka , Tooru Fujimoto
IPC分类号： F24F11/77 , F24F11/74 , F24F110/40
CPC分类号： F24F11/77 , F24F11/745 , F24F2110/40
摘要： A problem to be solved by the present disclosure is to realize a fan unit capable of determining occurrence or non-occurrence of a backflow during operation. In a second unit, a second controller calculates front-rear differential pressure by substituting a rotation speed and a volume of air or a wind speed that can be acquired in real time into a relational expression. The relational expression derives, from two values of the rotation speed, the volume of air or the wind speed, and the front-rear differential pressure, the remaining one value. Then, the second controller determines that a backflow occurs if the calculated front-rear differential pressure is within a range that cannot occur under a normal condition. Therefore, the occurrence of a backflow can be detected without using an expensive pressure sensor or a directional wind speed sensor.
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公开(公告)号：US20240133574A1
公开(公告)日：2024-04-25
申请号：US18547909
申请日：2021-04-26
发明人： Harumi YAMAGUCHI , Shinichi ITO
摘要： An air-sending device includes a fan configured to blow air into a space, an airflow direction adjusting unit configured to adjust an airflow direction of the air blown out from the fan, and a controller configured to control the fan and the airflow direction adjusting unit. The controller is configured to, when a predetermined condition is met, execute a forced swing mode regardless of a setting made by a user for the airflow direction. In the forced swing mode, a swing operation is forcibly performed in which the airflow direction adjusting unit is controlled to change the airflow direction over time.
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公开(公告)号：US11920805B2
公开(公告)日：2024-03-05
申请号：US17164575
申请日：2021-02-01
发明人： Douglas Notaro , Masahiro Honda , Mark Kendall , Hiroshi Yoh , Yenny Natali Martinez , Patrick Wang , Roberto Flores , Timmy Ta
IPC分类号： F24F11/36 , F24F11/77 , F24F11/88 , F24F110/65
CPC分类号： F24F11/36 , F24F11/77 , F24F11/88 , F24F2110/65
摘要： The present invention provides a heating, ventilation, and air-conditioning (HVAC) system using an A2L refrigerant and a method of installing the HVAC system in a building. The HVAC system includes an indoor unit having a heat exchanger that uses an A2L refrigerant, a blower, an outdoor unit, an A2L control board, and one or more A2L sensors configured to detect an amount of A2L refrigerant. In one or more embodiments, the indoor unit is electrically coupled to the blower, the A2L control board, and the outdoor unit. Also, in one or more embodiments, the A2L control board is also electrically coupled to the blower and the one or more A2L sensors.
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