Abstract: Provided is a composition and a fructose production method, wherein the composition contains: sucrose phosphorylase or a microorganism expressing same; or a culture or lysate of the microorganism whereby fructose can be produced at low cost with high yield.

Abstract: The present disclosure relates to an electric roaster equipped with a dual air purification and circulation system, wherein a suction fan consists of a first suction fan and a second suction fan disposed at both sides of a lower space of a roaster main body with an oil receiver, which is disposed under oil discharge nozzles of a roasting plate, disposed therebetween, the first suction fan forms a first air circulation flow by sucking air containing oil vapor, smoke, heat and odor generated at the top of the roasting plate through the oil discharge nozzles and supplying the air back to the top of the roasting plate through first discharge holes of a heat protection plate, the second suction fan forms a second air circulation flow by sucking air containing oil vapor, smoke, heat and odor generated at the top of the roasting plate through the oil discharge nozzles and supplying the air back to the top of the roasting plate through second discharge holes of the heat protection plate, and the air containing oil va

Abstract: A substrate processing apparatus includes a process chamber providing a reaction space therein and including a substrate entrance through which a substrate enters or exits, a susceptor disposed inside the process chamber and supporting the substrate, a gas injector disposed on an opposing surface to inject a gas toward the substrate, a valve opening and closing the substrate entrance, and a control electrode formed on the valve. The control electrode is vertically driven.

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: 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: According to one embodiment, a cup holder is disclosed. The cup holder comprises: a holder body; a thermoelectric element disposed at a lower part of the holder body; a heat sink disposed at a lower part of the thermoelectric element; and a fan disposed on a side surface of the holder body, and discharging, through the heat sink, air suctioned from the side surface of the holder body.

Abstract: A variable intake system includes a pair of surge tanks connected in a communicating manner to a main intake pipe through a low speed communication pipe and a high speed communication pipe, a middle speed communication pipe for connecting the pair of surge tanks, and a noise reducing member integrally provided at the middle speed communication pipe to reduce noise.

Abstract: A variable intake system includes first runners, each including a first inlet formed at one side thereof to introduce air from a surge tank thereinto, a first valve formed at the first inlet, and a first outlet formed at the other side thereof to discharge the introduced air, and second runners, each including a second inlet formed at one side thereof to introduce air from the surge tank thereinto, a second valve formed at the second inlet, and a second outlet formed at the other side thereof, wherein an extension part branched from the second runner is formed at the second runner, a third inlet is formed at the end of the extension part, and the total length of the second runner provided with the extension part is longer than the total length of the first runner.

Abstract: A variable intake system includes first runners, each including a first inlet formed at one side thereof to introduce air from a surge tank thereinto, a first valve formed at the first inlet, and a first outlet formed at the other side thereof to discharge the introduced air, and second runners, each including a second inlet formed at one side thereof to introduce air from the surge tank thereinto, a second valve formed at the second inlet, and a second outlet formed at the other side thereof, wherein an extension part branched from the second runner is formed at the second runner, a third inlet is formed at the end of the extension part, and the total length of the second runner provided with the extension part is longer than the total length of the first runner.

Abstract: Embodiments of the present invention relate to a beverage keeping apparatus capable of cooling and warming, and a container accommodation apparatus that includes an accommodation unit including a container accommodation member configured to accommodate a container therein and a thermoelectric module which is disposed at an external surface of the container accommodation member and applies thermal conversion effect, an extension unit which is coupled to a lower portion of the accommodation unit, extends from an inside to an outside of a case member, and fixes and supports the accommodation unit, and a housing unit which includes a circulation control module which performs control of the thermoelectric module from an outside thereof.

Abstract: The present invention provides Thermococcus onnurineus MC02 strain (accession no. KCTC12511BP) having increased hydrogen production ability, wherein the expression of rchA gene of the strain increases. Also, the present invention provides a method for producing the strain belonged to the genus Thermococcus having increased hydrogen production ability comprising, increasing the expression of rchA gene of the strain, and hydrogen production method using the strain.

Abstract: A variable intake system includes a pair of surge tanks connected in a communicating manner to a main intake pipe through a low speed communication pipe and a high speed communication pipe, a middle speed communication pipe for connecting the pair of surge tanks, and a noise reducing member integrally provided at the middle speed communication pipe to reduce noise.

Abstract: The present invention provides Thermococcus onnurineus MC02 strain (accession no. KCTC12511BP) having increased hydrogen production ability, wherein the expression of rchA gene of the strain increases. Also, the present invention provides a method for producing the strain belonged to the genus Thermococcus having increased hydrogen production ability comprising, increasing the expression of rchA gene of the strain, and hydrogen production method using the strain.

Abstract: A variable valve lift apparatus may include a variable valve lift housing, a master piston which is slidably disposed in the variable valve lift housing and contacts a cam, a slave piston which is slidably disposed in the variable valve lift housing, defines an oil chamber with the master piston therebetween, and opens a valve connected to the slave piston according to reciprocative motion of the master piston, and a lift control portion which supplies oil to the oil chamber or exhausts oil in the oil chamber selectively to control a relative distance between the master piston and the slave piston.

Abstract: An electro-hydraulic variable valve lift apparatus may include a housing, a master portion which is slidably disposed to the housing and contacts a cam, a first oil supply portion which supplies hydraulic pressure, a slave piston which is slidably disposed within the housing and defines an oil chamber with the master portion, a latching portion which is supplied the hydraulic pressure from the first oil supply portion and selectively connects the slave piston and the master portion, a second oil supply portion which selectively supplies hydraulic pressure to the oil chamber so as to control relative distances between the master portion and the slave piston when the slave piston is disengaged with the master portion, and a stepped portion formed to the housing between the master portion and the slave piston to elastically support the master portion.

Abstract: The present invention relates to an intake manifold for a vehicle and comprises tanks for stabilizing intaken air introduced from a throttle body; a plurality of zip tubes diverged from the tanks; a plurality of runners connected to the zip tubes and communicated with respective cylinders; and a adjustment apparatus provided at one side of the zip tubes and the runners for varying the diameter of the zip tube and the diameter of the runner according to an engine operation range. Due to the above structure, the diameter of the zip tube and the diameter of the runner can be varied continuously within the overall operating range of an engine by the adjustment apparatus. Hence, the performance of the engine can be enhanced.

Abstract: A variable valve lift apparatus may include a variable valve lift housing, a master piston which is slidably disposed in the variable valve lift housing and contacts a cam, a slave piston which is slidably disposed in the variable valve lift housing, defines an oil chamber with the master piston therebetween, and opens a valve connected to the slave piston according to reciprocative motion of the master piston, and a lift control portion which supplies oil to the oil chamber or exhausts oil in the oil chamber selectively to control a relative distance between the master piston and the slave piston.

Abstract: An electro-hydraulic variable valve lift apparatus may include a housing, a master portion which is slidably disposed to the housing and contacts a cam, a first oil supply portion which supplies hydraulic pressure, a slave piston which is slidably disposed within the housing and defines an oil chamber with the master portion, a latching portion which is supplied the hydraulic pressure from the first oil supply portion and selectively connects the slave piston and the master portion, a second oil supply portion which selectively supplies hydraulic pressure to the oil chamber so as to control relative distances between the master portion and the slave piston when the slave piston is disengaged with the master portion, and a stepped portion formed to the housing between the master portion and the slave piston to elastically support the master portion.

Abstract: An impulse charger for motor vehicle engines include impulse valves driven using driving force continuously generated by a driving apparatus so as to be instantaneously opened and closed at a high speed by a link unit in which link members are interconnected, and in which the impulse valves for all cylinders are simultaneously driven. Thus, the impulse charger provides simple drive control, reduction in necessary components, and an efficient mounting space, guarantees easy manufacturing and mounting at a low cost, and prevents noise from being generated when the impulse valves are operated.

Abstract: A variable intake system may include intake runners that are respectively connected to a plurality of cylinders to supply air that flows therein to the cylinders, a plenum, one side of which is connected to the intake runners and distributes the air to the intake runners, a first resonance pipe, one end of which is connected to the other side of the plenum to supply the air therein, a second resonance pipe, one end of which is connected to the other side of the plenum to supply the air therein, the length thereof being shorter than that of the first resonance pipe and the cross-section thereof being wider than that of the first resonance pipe, and a junction pipe connected to the other ends of the first and second resonance pipes and supplying the air to the first and second resonance pipes respectively from an intake line.