Abstract: In one aspect, an electric furnace is provided with a double type melting furnace, which includes: a first upper cell that forms a first upper space of a first melting furnace in which a first iron source is introduced and molten; a second upper cell that is disposed in a horizontal direction of the first upper cell and forms a second upper space of a second melting furnace in which a second iron source is introduced and molten; a lower cell that is combined with lower portions of the first upper cell and the second upper cell and forms a single integrated space in which a first lower space of the first melting furnace and a second lower space of the second melting furnace are integrated; and a partition wall unit that is installed to vertically move up and down between the first upper cell and the second upper cell, and separates the first lower space of the first melting furnace and the second lower space of the second melting furnace, although both of the lower spaces are integrally formed by the lower cel

Abstract: A filter assembly includes: a housing; a filter member disposed inside the housing; a water treatment member, disposed inside the housing, for treating the purified water; and a supporter disposed inside the housing to support the filter member and the water treatment member. The supporter includes: a first cap supporting an exterior of the filter member; and a second cap supporting an interior of the filter member and providing an accommodation space in which the water treatment member is accommodated. The second cap includes: a second body having an opening, formed in an upper portion thereof, through which the water treatment member is taken in and out, and a second body hole, formed in a side wall thereof, through which the purified water passes; and a second upper cap arranged to be fixed to the opening and having a second cap hole through which the purified water passes.

Abstract: An apparatus and method for controlling battery thermal management of a vehicle include at least one sensor that detects a temperature and a voltage of a plurality of battery cells in a battery module, a heating device that generates heat, and a processor that controls an operation of the heating device based on a location in which thermal runaway occurs in the battery module when determining that the thermal runaway occurs in the battery cell of the plurality of battery cells located within the battery module based on the temperature and the voltage of the battery cell.

Abstract: A method for preparing a recycled polymer is provided. The method includes: bringing a recovered polymer containing an additive into contact with an impregnation solvent in an impregnation tank to obtain a slurry containing a swollen polymer and an eluate; separating the slurry into a solid mixture containing the swollen polymer and a liquid mixture containing the eluate in a solid-liquid separator; and obtaining a recycled polymer from the solid mixture and recovering the additive from the liquid mixture, wherein the impregnation solvent is a mixed solvent of two or more solvents.

Abstract: A scroll compressor including a housing, a motor in the housing, an orbiting scroll, and a fixed scroll. An injection valve assembly is provided between the fixed scroll and the housing and further includes a cover plate, a valve plate, a gasket retainer, and an injection valve. The compressor capable of increasing a surface pressure at a position at which the injection valve of the injection valve assembly needs to be supported, and preventing deformation of the gasket retainer by reducing a bead height of the gasket retainer.

Abstract: Provided is a method in which a management server provides wireless LAN security policy by participating in multiple APs. The method includes a step of receiving terminal information of a terminal, which is acquired in a process of scanning broadcasting information of multiple APs, from each of the multiple APs, a step of issuing and storing a token for opening a wireless LAN data channel to each of the multiple APs on the basis of reception time points of the terminal information, a step of receiving a token request for opening a wireless LAN data channel to an AP to be accessed, selected by a terminal among the multiple APs, and a step of distributing, to the terminal, a token of the AP to be accessed corresponding to the token request.

Abstract: The tube-shaped pleated filter member may comprise: a filter body having a tube shape such that a filter medium is pleated and is wound; and a support unit. The filter body may comprise outer pleated portions corresponding to the outside of the tube shape, and inner pleated portions corresponding to the inside of the tube shape. An inner virtual line connecting corners of the inner pleated portions may have the shape in which a unit wave shape recessed in the outward direction is repeated. Assuming, that the thickness at a part having the maximum distance between the inner virtual line and the outer virtual line is a first thickness (T1), the first thickness (T1) may have a range defined by [equation 1] with regard to the diameter (D) of the outer virtual line. D/15?T1?D/6.

Abstract: A filter module mounted on an air purifier to filter air includes a first filter unit and a second filter unit detachably connected to the first filter unit and arranged to surround the first filter unit. The first filter unit includes a shape-corresponding portion having at least a portion which is formed in a curved shape having a predetermined curvature. At least a portion of the edge of the second filter unit is formed in a shape corresponding to the shape-corresponding portion, and when the filter module is mounted on the air purifier, the amount of air passing through the first filter unit per unit area is greater than the amount of air passing through the second filter unit per unit area.

Abstract: Proposed are a 3G sensor mask and a continuous positive airway pressure system using same, the mask sensing the sleep position of a patient during sleep to immediately correct pressure through a blower according to a changed sleep position if the sleep position has changed, and the system comprising: a 3G sensor mask worn on the face of a patient to sense the sleep position of the patient during sleep; and a positive airway pressure machine, which is connected to the 3G sensor mask in a wired/wireless manner to receive sleep position information about the patient sensed through the 3G sensor mask, detects the respiratory obstruction pressure necessary for an airway opening in response to a received sleep position change of the patient, and immediately corrects treatment pressure on the basis of the detected respiratory obstruction pressure for each sleep position.

Abstract: An air-cleaning filter includes a non-woven fabric for dust collection and a non-woven fabric for deodorization having activated carbon particles combined therewith. By adjusting the particle diameter and content of the activated carbon particles and laminating with a non-woven fabric coated with an absorber for other gases, a dust collecting function and a deodorizing function can be imparted at the same time while also creating a structure with a low differential pressure.

Abstract: An orthognathic system using a 3-dimensional hybrid image constructing program according to an embodiment of the present invention includes: a dental clinic server configured to prepare preliminary data for orthognathic surgery based on CT image data acquired by a CT imaging apparatus, transmit the preliminary data to an orthognathic device manufacturer server, perform virtual orthognathic surgery by inputting osteotomy data received from the orthognathic device manufacturer server into the 3-dimensional hybrid image constructing program, and transmit the result of the virtual orthognathic surgery to the orthognathic device manufacturer server; and an orthognathic device manufacturer server configured to merge CT data with gingival data, extract this to generate a jaw-bone 3-dimensional image file, cut the jaw bones within the program by using the generated jaw-bone 3-dimensional image file, and transmit the data to the dental clinic server.

Abstract: An antibacterial filter, a method for manufacturing the filter, and an air purifier comprising the filter. The antibacterial filter contains a specific range of active copper particles bound to the surface of fibers, and thus can effectively prevent microorganisms, such as bacteria, fungi, and viruses, harmful to the human body, from proliferating on or contaminating the filter surface, and further improve antibacterial performance and sustained antibacterial performance. Additionally, when the antimicrobial filter is applied to an air purifier, it is possible to supply purified air and, at the same time, further improve the durability and lifetime characteristics of the filter.

Abstract: An air-cleaning filter includes a non-woven fabric for dust collection and a non-woven fabric for deodorization having activated carbon particles combined therewith. By adjusting the particle diameter and content of the activated carbon particles and laminating with a non-woven fabric coated with an absorber for other gases, a dust collecting function and a deodorizing function can be imparted at the same time while also creating a structure with a low differential pressure.

Abstract: A filter holder comprises: a plurality of filter frames disposed such that at least some thereof are adjacent to each other; and a folding member which supports filter frames, from among the plurality of filter frames, adjacent to each other so as to be rotatable with respect to each other. The folding member comprises: a folding part which has a predetermined thickness and is flexible so as to be foldable by means of rotation of the adjacent filter frames adjacent with respect to each other; and a plurality of edge parts which are connected to the respective sides of the folding part with the folding portion therebetween and rotate together with the adjacent filter frames, and wherein when viewed from a cross-section of the folding member, the edge parts may have a greater thickness than the folding part.

Abstract: An air filter comprises: a first filter frame in which a plurality of first chambers are formed; a second filter frame in which a plurality of second chambers are formed and which is arranged at the rear of the first filter frame; and a filter material which is accommodated in the plurality of first chambers and the plurality of second chambers to filter air, wherein the first filter frame and the second filter frame are arranged so that, when seen from the front, the center of each of the plurality of second chambers is out of line with the center of each of the plurality of first chambers, in the vertical direction.

Abstract: A high flow respiratory therapy device includes: a breathing pattern monitoring part for monitoring a flow rate change and a pressure change of a mixed gas supplied to a patient so as to collect breathing pattern information of the patient; an inspiratory effort point detection part for detecting an inspiratory effort point, at which the patient tries to start inhalation, from the breathing pattern information of the patient; an expiratory effort point detection part for detecting an expiratory effort point, at which the patient tries to start exhalation, from the breathing pattern information of the patient; and a supply flow rate control part for increasing the flow rate of the supplied mixed gas when the breath of the patient reaches the inspiratory effort point, and for reducing the flow rate of the supplied mixed gas when the breath of the patient reaches the expiratory effort point.

Abstract: The tube-shaped pleated filter member may comprise: a filter body having a tube shape such that a filter medium is pleated and is wound; and a support unit. The filter body may comprise outer pleated portions corresponding to the outside of the tube shape, and inner pleated portions corresponding to the inside of the tube shape. An inner virtual line connecting corners of the inner pleated portions may have the shape in which a unit wave shape recessed in the outward direction is repeated. Assuming, that the thickness at a part having the maximum distance between the inner virtual line and the outer virtual line is a first thickness (T1), the first thickness (T1) may have a range defined by [equation 1] with regard to the diameter (D) of the outer virtual line. D/15?T1?D/6.

Abstract: The present invention relates to a real-time packing management device implemented as an auxiliary system interworking with a main system, and prevents a decrease in work efficiency of a worker by minimizing an article packing management operation interfering with a main task.

Abstract: A filter assembly including: a first filter medium that is bent so that high-point portions and low-point portions defined based on a vertical plane with respect to a first direction are alternately and repeatedly formed in a second direction perpendicular to the first direction; a first filter frame configured to accommodate the first filter medium and to fix an edge side of the first filter medium; a second filter medium that is bent so that the low-point portions and the high-point portions based on the vertical plane with respect to the first direction are alternately and repeatedly formed in the second direction; and a second filter frame configured to accommodate the second filter medium and to fix an edge side of the second filter medium, wherein at least a portion of the high-point portions repeatedly formed in the first filter medium have different heights from those of the other high-point portions, and at least a portion of the low-point portions repeatedly formed in the second filter medium have d

Abstract: Provided is a system for privately sharing a verified video which ensures that a video recorded in real time by a video creator is not tampered with by a third party and thus prevents the original video from being edited and maliciously used.