Abstract: The present disclosure relates to a 3D printer for construction for printing and forming various structures, in which agitating blades 45 capable of auto-rotation are mounted inside a nozzle 10 discharging a printing material such as concrete or mortar, to thereby enable agitation of a fluid printing material inside the nozzle 10. According to the present disclosure, agitation of the fluid printing material inside the nozzle 10 of the 3D printer for construction may be facilitated to prevent material segregation and maintain a homogeneously mixed state of materials constituting the fluid printing material.

Abstract: In a system for automatically manufacturing a pipe spool, when information on a pipe spool is input to a control unit, manufacturing of a spool pipe by cutting an original pipe, processing of a spool pipe, processing of a connection member, manufacturing of a straight pipe spool by welding a spool pipe to a connection member, and manufacturing a three-dimensional spool by welding a straight pipe spool to the other straight pipe spool or a connection member may be automatically performed by a sensor, an automatic device or a robot included in each process and the control unit connected to each of the devices.

Abstract: The present invention provides a pet toy that can adjust the diameter and amount of pet food that comes out according to the pet's movements. The pet toy of the present invention includes a body having a first opening and a second opening and accommodating pet food, a first cap attached to the first opening and having a first hole, and a second cap that is attached to the body and has a second hole, and as the body rotates or locomotes, the pet food in the body is discharged from at least one of the first cap and the second cap. It is characterized by being released.

Abstract: The present disclosure relates to a 3D printer for construction for print-molding various structures, in which a main pipe 30 for transferring a filament material 31 therein is installed inside a nozzle 10 for discharging a printing material, such as concrete or mortar, to enable co-printing of the filament material 31 with the printing material while embedded in the printing material. According to the present disclosure, in constructing a structure by a 3D printer for construction, a printing material embedded with the filament material 31 as reinforcing material may be printed, and as a result, the effects of reinforcing tensile strength of the printed object and inhibiting crack of the printed object may be obtained.

Abstract: Provided is a feeding tool for pets that has a simple structure and can supply liquid pet foods little by little. A feeding tool for pets comprising: a sphere, a container that rotatably supports the sphere and houses a fluid pet food, and a cover that covers the container and has an opening that exposes the sphere in the container to the outside; wherein the pet food adhered to the surface of the sphere is exposed from the opening as the sphere rotates.

Abstract: Provided is an apparatus for automatically classifying an input sound source according to a preset criterion and are an apparatus and method for automatically classifying a sound source according to a set criterion by using deep learning. The apparatus for classifying a sound source includes a processor and a memory connected to the processor and storing a deep learning algorithm and original sound data, wherein the memory stores program instructions executable by the processor to generate n pieces of image data corresponding to the original sound data according to a preset method, generate training image data corresponding to the original sound data by using the n pieces of image data, train the deep learning algorithm by using the training image data, and classify target sound data according to a preset criterion by using the deep learning algorithm, wherein the n is a natural number greater than or equal to 2.

Abstract: A piping system for an air conditioner that includes a refrigerant pipe that is formed of a plastic material and has a multi-layered pipe structure including an outer layer and an inner layer. The piping system provides a fluid flow between parts constituting the air conditioner system. A first flange formed of the plastic material and providing a connection between the refrigerant pipe and components constituting the air conditioner system. A second flange formed of the plastic material and connected to a charging valve for injecting a refrigerant into the refrigerant pipe.

Abstract: Provided is a feeding tool for pets that not only feeds pets but also provides the pets with intellectual training, exercise and entertainment. The feeding tool comprising: a drum that stores a food and has holes on its peripheral surface, a supporting portion that rotatably supports the drum, a receiving portion located below the drum, and a slider that guides the food released from the hole of the drum to the receiving portion; and the food released from the hole as the drum rotates comes into contact with the slider and is guided to the receiving portion.

Abstract: A jig device for laser welding of the disclosure inclides a jig body having a semi-oval shaped seating groove in which a lower side of a refrigerant pipe to which a charging port is coupled is seated: a first pressing block provided in an upper portion of one side of the jig body and having a first groove part configured to press an upper portion of one side of the refrigerant pipe and an upper portion of one side of a fixing part of the charging port at a lower surface thereof; and a second pressing block provided at an upper portion of the other side of the jig body and having a second groove part configured to press an upper portion of the other side of the refrigerant pipe and an upper portion of the other side of the fixing part of the charging port at a lower surface thereof.

Abstract: An air conditioning piping system of the disclosure includes a refrigerant pipe made of a plastic material and configured to provide a fluid flow between components constituting an air conditioning system; at least one connection flange made of the plastic material and configured to provide a connection between the refrigerant pipe and components constituting the air conditioner system; and at least one charging port made of the plastic material and having a charging valve configured to inject a refrigerant into the refrigerant pipe.

Abstract: In embodiments, a connector for setting a layout of a brake hose includes a first coupling member coupled to one end of the brake hose; a second coupling member disposed to be spaced apart from the first coupling member, and coupled to the caliper housing or the frame of the master cylinder; and an adjusting unit connected at one end thereof to the first coupling member, connected at other end thereof to the second coupling member, and configured to adjust a shortest length between a bottom surface of the first coupling member and an outer circumferential surface of the second coupling member and to adjust a line passing through a center of the first coupling member with respect to the second coupling member to be positioned in one of up/down/left/right directions, in a test for setting the layout of the brake hose.

Abstract: In embodiments, a connector for setting a layout of a brake hose includes a first coupling member coupled to one end of the brake hose; a second coupling member disposed to be spaced apart from the first coupling member, and coupled to the caliper housing or the frame of the master cylinder; and an adjusting unit connected at one end thereof to the first coupling member, connected at other end thereof to the second coupling member, and configured to adjust a shortest length between a bottom surface of the first coupling member and an outer circumferential surface of the second coupling member and to adjust a bend angle between the first coupling member and the second coupling member, in a test for setting the layout of the brake hose.

Abstract: A check valve is provided in a refrigerant piping line of a refrigerant piping system to restrict a flow direction of refrigerant. The check value includes a valve body movably disposed inside the refrigerant piping line in a longitudinal direction of the refrigerant piping line, a stopper coupled to a rear end of the valve body to limit a movement of the valve body, and an elastic member disposed between the valve body and the stopper and providing an elastic force to the valve body. The valve body may have at least one locking protrusion formed at the rear end thereof, and the stopper may have a corresponding locking slit. The locking protrusion may pass through the locking slit and then rotate relatively whereby the stopper can be fixed to the valve body.

Abstract: A resonator includes: an inner pipe having first openings penetrated into an outer peripheral surface thereof from an inner peripheral surface thereof and second openings spaced apart from the first opening; a first cover adapted to allow a first resonant space to be formed between the outer peripheral surface of the inner pipe and the inner peripheral surface thereof, the first resonant space communicating with the internal space of the inner pipe through the first openings; and a second cover adapted to allow a second resonant space to be formed between the outer peripheral surface of the inner pipe and the inner peripheral surface thereof, the second resonant space communicating with the internal space of the inner pipe through the second openings.

Abstract: The present invention relates to an electric grill comprising a purification and circulation system for removing oil mist and smoke and, more particularly, to an electric grill comprising a purification and circulation system for removing oil mist and smoke, wherein: a suction hole and a discharge hole are installed around a grill plate; air containing oil mist, smoke, heat, and smell is suctioned through the suction hole, the suctioned air containing, oil mist, smoke, heat, and smell is introduced into the lower portion of the grill by a suction fan, and comes into contact with water on the upper side of an oil pan containing the water, so as to remove the oil mist, smoke, heat, and smell contained therein, and then the purified air is circulated through the discharge hole installed around the grill plate; a filter is disposed so as to completely remove the oil mist, smoke, heat, and smell; and a Coanda air guide is installed so as to facilitate the contact between the oil mist, smoke, heat, and smell and th

Abstract: A plate-type heat exchanger including a body plate, an upper plate, and a lower plate. The body plate includes a plurality of alternately stacked plates, a space between the plurality of plates having a first heat exchange passage through which a first refrigerant of high temperature and high pressure flows, and a second heat exchange passage through which a second refrigerant of low temperature and low pressure flows. A heat exchange between the first refrigerant and the second refrigerant is performed in the body plate. The upper plate is bonded to a front side of the body plate and having a first inlet hole through which the first refrigerant is introduced and a first outlet hole through which the second refrigerant is discharged. The lower plate is bonded to a rear side of the body plate and having a second inlet hole through which the second refrigerant is introduced and a second outlet hole through which the first refrigerant is discharged.

Abstract: In embodiments, a connector for setting a layout of a brake hose includes a first coupling member coupled to one end of the brake hose; a second coupling member disposed to be spaced apart from the first coupling member, and coupled to the caliper housing or the frame of the master cylinder; and an adjusting unit connected at one end thereof to the first coupling member, connected at other end thereof to the second coupling member, and configured to adjust a shortest length between a bottom surface of the first coupling member and an outer circumferential surface of the second coupling member and to adjust a line passing through a center of the first coupling member with respect to the second coupling member to be positioned in one of up/down/left/right directions, in a test for setting the layout of the brake hose.

Abstract: In embodiments, a connector for setting a layout of a brake hose includes a first coupling member coupled to one end of the brake hose; a second coupling member disposed to be spaced apart from the first coupling member, and coupled to the caliper housing or the frame of the master cylinder; and an adjusting unit connected at one end thereof to the first coupling member, connected at other end thereof to the second coupling member, and configured to adjust a shortest length between a bottom surface of the first coupling member and an outer circumferential surface of the second coupling member and to adjust a bend angle between the first coupling member and the second coupling member, in a test for setting the layout of the brake hose.

Abstract: A piping system for an air conditioner that includes a refrigerant pipe that is formed of a plastic material and has a multi-layered pipe structure including an outer layer and an inner layer. The piping system provides a fluid flow between parts constituting the air conditioner system. A first flange formed of the plastic material and providing a connection between the refrigerant pipe and components constituting the air conditioner system. A second flange formed of the plastic material and connected to a charging valve for injecting a refrigerant into the refrigerant pipe.

Abstract: A resonator divides and forms a sound attenuation space and maintains airtightness without external force. The resonator includes a tubular cover body and having a hollow portion with different diameters, a tubular insert inserted into the cover body and having second hollow portion that turbocharger air is introduced into the second hollow portion, the air being guided into the first hollow portion on an outer surface of the insert body; and one or more space partition members coupled to the outer surface of the insert body to form airtight noise attenuation spaces. The partition members are ring shaped, and each space partition member is formed of a resilient material, and each space partition member has a contact portion formed by an inclined surface to be in contact with the inner surface of the cover body in a direction in which the insert body is inserted into the cover body.