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: A drive motor includes a housing and a stator iron core arranged inside the housing. A rotor iron core is placed through the inside of the stator iron core. The rotor iron core includes a cylindrical iron core body, and two openings are symmetrically formed on a periphery of the iron core body in a radial direction of the iron core body. The iron core body is provided with a plurality of mounting slots for receiving magnets, and each of both sides of the mounting slot is provided with a magnetic-leakproof air slot. The central part of the iron core body is provided with a through hole into which a rotating shaft is inserted. Moreover, the magnets are mounted in the mounting slots by means of insertion.

Abstract: It is an object of the present invention to provide an exhaust gas purifying catalyst filter which has enhanced soot collection performance without increasing pressure loss caused by the formation of a catalyst layer in a partition wall of a wall flow type substrate. A gasoline engine exhaust gas purifying catalyst filter for purifying exhaust gas of a gasoline engine includes: a wall flow type substrate in which an introduction-side cell having an open exhaust gas introduction-side end, and a discharge-side cell adjacent to the introduction-side cell and having an open exhaust gas discharge-side end are defined by a porous partition wall; and a catalyst layer formed in a pore of the partition wall. An absolute value of a maldistribution degree of the catalyst layer formed in the pore of the partition wall is 4.50 or less. A wash coat amount, excluding a mass of a platinum group, of the catalyst layer formed in the pore of the partition wall, is 40 g/L or more and 50 g/L or less.

Abstract: The present invention relates to a vibration apparatus, comprising a masturbation cup, comprising a motor, a speed reduction mechanism and rotating body. The output of the motor, after being decelerated by the speed reduction mechanism drive the rotating body to rotate. The rotating body is an eccentric structure, internally provided with a cavity. The motor and the speed reduction mechanism are both arranged in the internal cavity of the rotating body. The present invention also relates to a masturbation cup and vibration rod vibration apparatus, by means of a built-in high-speed rotating ball, centrifugal forces in different directions are generated by means of high-speed rotation of the eccentric ball, such that a cup body of the masturbation cup is driven to move in various directions so that requirements of vibration strength and vibration amplitude can be met, and requirements of high telescopic frequency and strength can also be met.

Abstract: Disclosed herein are a method and system for treating surfaces of a substrate. According to an embodiment, there is provided a method for treating surfaces of a substrate, the method including: removing an oxide film on the side surfaces or bottom surface of a substrate by using an acidic solution, contained in an acid bath, in the acid bath; applying a protective liquid to the top surface of the substrate, from which the oxide film has been removed, in a protective liquid application zone; and removing a wrap-around layer on the side surfaces or edges of the top surface of the substrate coated with the protective liquid by using an alkaline solution, contained in an alkali bath, in the alkali bath.

Abstract: A system configured to generate heat when supplied with a first fuel or a second fuel can include a fuel supply line operatively connected to a fuel source. A valve assembly can be operatively connected to the fuel supply line. A main burner can be operatively connected to the valve assembly. A thermoelectric generating system can be configured to transform heat to electricity. A first pilot burner can include at least one of a first thermocouple and a first Fe-ion sensor. A second pilot burner can include at least one of a second thermocouple and a second Fe-ion sensor. A printed circuit board (PCB) can be operatively connected to the valve assembly and the first and second pilot burners. The PCB can be configured to control operation of the valve assembly based on information received from at least one of the first and second pilot burners.

Abstract: A power module includes two power input terminals, two main substrates, a plurality of first switches, a plurality of second switches, and a bridge main unit. The bridge main unit is across the two main substrates, and includes a first bridge subunit and a second bridge subunit. Each of the first bridge subunit and the second bridge subunit includes a first conducting region on a bottom surface, and a second conducting region and a third conducting region on a top surface. The first conducting region transmits a current signal of a current path of a switch circuit formed by the power input terminals, the first switches, and the second switches. The second conducting region is connected to the control terminals of the first switches and the second switches. The third conducting region is connected to the output terminals of the first switches and the second switches.

Abstract: The present disclosure relates to a single crystal furnace, which includes a main furnace body, an accessory furnace body, a furnace cover, and a driving component. The accessory furnace body is provided with a first connecting member. The furnace cover is provided with a second connecting member. The driving component can drive the first connecting member or the second connecting member to move, so as to match the first connecting member with the second connecting member, and connect the accessory furnace body with the furnace cover.

Abstract: This disclosure relates to an auto run mode for initiating a heating cycle of a heated bedding product. A heated bedding product can include a bedding product body comprising a heating element and a controller electrically connected to the heating element. The controller can include a processing circuit, such as a microcontroller, that is configured to operate in an auto run mode in which a heating cycle of the heating element is automatically initiated in response to alternating current power being provided to the controller.

Abstract: Provided are a method of treating spent caustic occurring in a refinery process, a petrochemical process, and an environmental facility, and an apparatus thereof, wherein the spent caustic may be economically treated by a Fenton-like oxidation reaction at room temperature and atmospheric pressure in a reactor in which catalyst structures are stacked as compared to conventional methods of treating spent caustic.

Abstract: A metal honeycomb substrate includes a tubular body, a flat plate, and a wavy plate. The tubular body has a receiving portion. The wavy plate is stacked with the flat plate to form a spiral structure received in the receiving portion. The wavy plate has a wavy-shaped cross section and includes a second region and a continuous region connected to the second region. The wavy-shaped cross section includes peak portions and valley portions. The wavy plate has a solder region overlapping at least one portion of at least one of the second region and the continuous region. Solders are on outer sides of the peak portions and outer sides of the valley portions which are in the solder region. A ratio of an area of the solder region to an area of the wavy plate is in a range between substantially 20% and substantially 66%.

Abstract: A system configured to generate heat when supplied with a first fuel or a second fuel can include a fuel supply line operatively connected to a fuel source. A valve assembly can be operatively connected to the fuel supply line. A main burner can be operatively connected to the valve assembly. A thermoelectric generating system can be configured to transform heat to electricity. A first pilot burner can include at least one of a first thermocouple and a first Fe-ion sensor. A second pilot burner can include at least one of a second thermocouple and a second Fe-ion sensor. A printed circuit board (PCB) can be operatively connected to the valve assembly and the first and second pilot burners. The PCB can be configured to control operation of the valve assembly based on information received from at least one of the first and second pilot burners.

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 split curtain comprises a left panel having a left head portion configured to cooperate with a supporting structure and having a left leading edge; a right panel having a right head portion configured to cooperate with the supporting structure and having a right leading edge; a plurality of left magnets disposed along the left leading edge of the left panel at left vertical positions; and a plurality of right magnets disposed along the right leading edge of the right panel at right vertical positions, the right vertical positions being substantially the same as the left vertical positions.

Abstract: A heating blanket system comprises a blanket, one or more heating wires embedded within the blanket, a control switch embedded in the blanket, the control switch being configured to allow a user to adjust a temperature setting of the blanket, and an external control module detachably connectable to the control switch and the one or more heating wires, the external control module configured to receive the temperature setting from the control switch and configured to control current flow through the one or more heating wires based on the temperature setting, the external control module being external to the blanket.