Abstract: A filter assembly structure and a water heater including the same are provided. The filter assembly structure includes a filter housing coupled to an inner surface of a base panel provided in a case of a water heater, and including a flow space formed together with the inner surface of the base panel and an entrance to communicate with the flow space, and a filter assembly detachably assembled with the filter housing and including an air filter to filter air introduced through an air inlet provided in the base panel. The filter assembly is provided in a slide structure and inserted into or separated from the filter housing through the entrance.

Abstract: An air heating apparatus includes a burner configured to cause combustion reaction, a heat exchange part configured to receive heat from a combustion gas generated by the combustion reaction so as to heat water, a heating heat exchanger configured to receive the water heated by the heat exchange part so as to be heat-exchanged with air to be discharged for heating, a fan configured to blow the air to the heating heat exchanger, a condensed water receiver configured to collect and discharge condensed water generated in the heat exchange part, a case in which the burner, the heat exchange part, the heating heat exchanger, the fan, and the condensed water receiver are embedded, and a condensed water trap disposed outside the case and configured to receive the condensed water transferred from the condensed water receiver so as to provide a trap configured to block leakage of the combustion gas.

Abstract: A method of making a bonded polymeric assembly by transfer printing comprises contacting a stamp with a solid-phase ink comprising a photoresist to form an inked stamp, where the solid-phase ink is reversibly bound to the stamp. The inked stamp is aligned with an object comprising the photoresist and is stamped onto the object. The stamp is then removed, thereby transferring the solid-phase ink onto the object. The solid-phase ink is thermally joined with the object. Thus, a bonded polymeric assembly comprising a bonded joint between the solid-phase ink and the object is formed.

Abstract: The present invention relates to a smoke tube boiler including: a mix chamber which includes a mixing space in which combustion gas and air are mixed, a mix chamber body having a flat shape, and a flat plate-shaped burner disposed in a horizontal direction above a combustion chamber; and a heat exchanger which includes an outer shell forming an outer wall of a water tank into and from which a heat medium is introduced and discharged and which accommodates the heat medium, a plurality of tubes formed in a flat shape that are configured to allow combustion gas generated in the combustion chamber to flow therein and cause a heat exchange to occur between the combustion gas and the heat medium flowing outside the tubes, turbulators coupled to an inner side of the tube and configured to induce occurrence of a turbulent flow in the flow of the combustion gas, and multi-stage barriers disposed between the outer shell and the tube and configured to induce a heat medium flow direction to be alternately changed between

Abstract: A case for a water heater includes a case cover provided to accommodate the water heater in an inner space thereof, and a case frame configured to support the case cover in the inner space. The case cover includes a rear cover part including a plurality of holes passing through a plurality of pipes connected to the water heater, an upper cover part configured to cover an upper portion of the water heater and provided to be detached from the case frame, a side cover part configured to cover a side surface of the water heater and provided to be detached from the case frame, and a front cover part configured to cover a front surface of the water heater and provided to be detached from the side cover part.

Abstract: Provided is a dual venturi. The dual venturi includes a housing including a housing body opened in a reference direction so that a gas or air flows, an inner partition wall through which an inner space of the housing body is divided into a first conduit and a second conduit, and a gas providing part provided with a first gas conduit passing through the first conduit to allow the first conduit to communicate with the outside therein and a second gas conduit configured to allow the second conduit to communicate with the outside, an opening/closing unit disposed in the inner space to open and close the first gas conduit and the second conduit, and a driver connected to the opening/closing unit to provide driving force to the opening/closing unit.

Abstract: A bobbin installation unit includes a bobbin, a film supply unit configured to supply an electrode-connecting film to the bobbin, a transfer unit configured to transfer the electrode-connecting film installed in the film supply unit to the bobbin installation unit, an adhesive tape attaching unit installed above the bobbin installation unit and configured to attach an end portion of the electrode-connecting film drawn out to the transfer unit to the bobbin. It also includes a double-sided tape attaching unit configured to attach a double-sided tape to the electrode-connecting film wound on the bobbin, and a frame body on which the adhesive tape attaching unit and the double-sided tape attaching unit are movably installed.

Abstract: Disclosed are a flue pipe separation sensing apparatus and a boiler including the same. The flue pipe separation sensing apparatus of a boiler for sensing separation of an exhaust flue pipe that is fitted with and coupled to an exhaust adapter provided in an exhaust opening of a boiler body includes a sensing member located on an outer side of the exhaust flue pipe in a state, in which the exhaust flue pipe is coupled to the exhaust adapter, and that passes through the exhaust adapter by an elastic force and proceed into an interior of the exhaust adapter to sense the separation of the exhaust flue pipe when the exhaust flue pipe is separated from the exhaust adapter.

Abstract: Provided is a bioresorbable stent including a stent substrate including a bioresorbable polymer and a contrast medium containing an iodine component, coated on the stent substrate. Since the stent according to the present invention is absorbed in and removed from the human body after a predetermined time, it has excellent biodegradability since it has improved radiopacity by iodine contrast medium coating, it has a high radiography contrast and is very efficient even when a procedure is performed with real time radiography, and since it has low foreshortening and high flexibility, radial force, and re-coil, it may be useful for insertion into a blood vessel having a small diameter, an acute occlusive lesion, an imminent occlusive lesion, and the like.

Abstract: A flame port unit structure of a combustion apparatus provided with a plurality of flame ports for forming a flame comprises: a lean flame port unit, as a flame port for jetting lean gas, including a plurality of lean flame ports arranged along a width direction which is perpendicular to the jetting direction of the lean gas; and a rich flame port unit, as a flame port for jetting rich gas, including a pair of rich flame ports provided on both sides of the lean flame port unit with respect to a width direction, wherein the lean flame port unit comprises a first region in which a gap along the width direction of the lean flame port is formed along a longitudinal direction which is perpendicular to the jetting direction and the width direction, and a second region, provided on both sides along the longitudinal direction of the first region.

Abstract: Disclosed is an air heating apparatus including an expansion tank which preserves water, a water heater which receives heat from a combustion gas generated through a combustion reaction and heats the water, a heating heat exchanger which receives the water heated by the water heater and exchanges heat with air that is to be discharged for heating, a fan which sends the air to the heating heat exchanger, and a case, in which the water heater, the expansion tank, the heating heat exchanger, and the fan are disposed in an interior thereof.

Abstract: Disclosed is an air heating apparatus including an expansion tank that preserves water, a water heater that receives heat from a combustion gas generated through a combustion reaction and heat the water, a heating heat exchanger that receives the water heated by the water heater and exchanges heat with air that is to be discharged for heating, a fan that sends the air to the heating heat exchanger, and a case, in which the water heater, the expansion tank, the heating heat exchanger, and the fan are disposed in an interior thereof.

Abstract: Disclosed is an air heating apparatus including an expansion tank that preserves water, a water heater that receives heat from a combustion gas generated through a combustion reaction to heat the water, a heating heat exchanger that receives the water heated by the water heater and exchange heat with air that is to be discharged for heating, a fan that sends the air to the heating heat exchanger, a circulation supply passage that connects the expansion tank, the water heater, and the heating heat exchanger to guide the water in the expansion tank to the heating heat exchanger via the water heater, a circulation recovery passage formed to connect the heating heat exchanger and the expansion tank to guide the water that exchanged heat with the air to the expansion tank, and a hot water heating passage.

Abstract: Disclosed is an air heating apparatus including an expansion tank that preserves water, a water heater that receives heat from a combustion gas generated through a combustion reaction and heat the water, a heating heat exchanger that receives the water heated by the water heater and exchanges heat with air that is to be discharged for heating, a fan that sends the air to the heating heat exchanger, and a main passage connecting the expansion tank, the water heater, and the heating heat exchanger. The main passage includes a first part that is a part extending downwards from the expansion tank, and a second part communicated with the first part and the expansion tank, extending from the expansion tank, and one end of which extends upwards to be connected to the water heater.

Abstract: Disclosed is an air heating apparatus including an expansion tank that preserves water, a water heater that receives heat from a combustion gas generated through a combustion reaction and heat the water, a heating heat exchanger that receives the water heated by the water heater and exchanges heat with air that is to be discharged for heating, a fan that sends the air to the heating heat exchanger, and a case, in which the water heater, the expansion tank, the heating heat exchanger, and the fan are disposed in an interior thereof.

Abstract: A heat exchanger unit according to the present invention comprises: a sensible heat exchanger including a sensible heat exchange pipe disposed in a sensible heat exchange area for heating water used for heating by receiving sensible heat generated by a combustion reaction, wherein the sensible heat exchange pipe receives the water used for heating and flows same through the interior, and a sensible heat fin disposed in the sensible heat exchange area, wherein the sensible heat fin is formed in a plate shape across the sensible heat exchange pipe and penetrated by the sensible heat exchange pipe; and a latent heat exchanger positioned downstream from the sensible heat exchange area on the basis of a reference direction, which is a flow direction of combustion gas generated during the combustion reaction, the latent heat exchanger including a latent heat exchange pipe disposed in a latent heat exchange area.

Abstract: A burner includes a mixing chamber having therein a space in which fuel and air are mixed to form a mixture, a chamber lower cover that is coupled to the mixing chamber while covering an opening formed in the mixing chamber in a reference direction and has a combustion opening opened in the reference direction, a porous distribution unit that includes a metallic sintered material, through which the mixture passes in the reference direction, and covers the combustion opening, a distribution plate that has a plurality of distribution through-holes, through which the mixture passing through the porous distribution unit passes, and covers the combustion opening on the downstream side of the porous distribution unit in the reference direction, and an ignition unit that covers the combustion opening on the downstream side of the distribution plate to ignite the mixture passing through the distribution plate.

Abstract: A flame hole unit structure of a combustion apparatus provided with a plurality of flame holes for forming a flame comprises: a lean flame hole unit including, as a flame hole for jetting lean gas, at least one lean flame hole extending along the longitudinal direction which is a direction perpendicular to the jetting direction of the lean gas; and a rich flame hole unit including, as a flame hole for jetting rich gas, a pair of rich flame hole provided on both sides of the lean flame hole unit with respect to a width direction which is a direction perpendicular to the jetting direction and the longitudinal direction and extending along a direction parallel to the longitudinal direction.

Abstract: Proposed is a modular augment, and, more specifically, a modular augment in which an additional unit is separably coupled to a center unit so as to selectively couple the additional unit to the center unit according to the degree of a patient's bone loss so that the degree of bone reinforcement can be easily adjusted, and thus a manufacturer is capable of covering various types of patients even though the types of units are minimized, thereby reducing manufacturing costs, the number of products to be prepared for surgery by a user such as a hospital is remarkably reduced, thereby preventing the unnecessary costs and facilitating inventory management, and a patient can receive an optimal augment that is appropriate for the patient' condition.

Abstract: A battery module includes a cell stack in which a plurality of cells are stacked; and a compression pad provided on an outer surface of the cell stack, wherein the compression pad is a laminate of an elastic pad and a synthetic resin film attached to at least one surface of the elastic pad. The synthetic resin film includes a length extension portion longer than the elastic pad in length, and the length extension portion is folded to cover and protect the upper surface of the cell stack.