Abstract:
본 발명은 자가구동 시험장치에 관한 것으로서, 본 발명에 따른 자가구동 시험장치는 공기 및 연료를 공급하여 초기 구동을 한 뒤 연료만으로 지속적으로 구동하는 자가구동 장치의 시험장치에 있어서, 소정의 내경을 갖도록 중공의 원통 형상으로 마련되며 양단이 개구되고, 측면에 외부공기가 주입되는 주입공이 형성되며, 일단에는 상기 내경에 대응되는 외경을 갖는 상기 자가구동장치의 공기공급로의 일단부가 삽입되는 케이싱; 상기 케이싱의 내경에 대응되는 외경을 갖도록 마련되어 상기 케이싱 내부에 삽입되어 일단이 상기 자가구동 장치의 일단부와 연결되며, 측면에 관통공이 형성되고, 회동하여 상기 주입공과 상기 관통공을 선택적으로 연통시키는 회동부;를 포함하는 것을 특징으로 한다. 이에 의하여, 공기 및 연료를 공급하여 초기 구동을 한 뒤 연료만으로 지속적으로 구동하는 자가구동 장치의 시험장치에 있어서, 자가구동 시험장치와 자가구동 장치를 분리하지 않고 공기 주입여부를 선택적으로 결정하여, 자가구동 여부를 효율적이며 정밀하게 측정할 수 있는 자가구동 시험장치가 제공된다.
Abstract:
본 발명은 애노드 오프 가스 재순환 연료전지 시스템에 관한 것으로, 보다 상세하게는 터보차저 방식의 애노드 오프 가스 재순환 연료전지 시스템에 관한 것이다. 본 발명은 연료전지의 효율을 높이기 위한 애노드 오프 가스 재순환 연료전지 시스템에 있어서, 애노드의 출구 측에 연결되어 애노드 오프 가스를 배출하는 배출유로(130); 상기 배출유로(130)에서 분기되는 애노드 오프 가스 재순환 유로(140); 구동 유체로 수증기를 사용하기 위해 물을 공급하는 물공급부(150); 상기 재순환 유로(140)와 연결되고, 고온의 애노드 오프 가스를 이용하여 상기 물공급부(150)로 공급되는 물을 고압의 수증기로 변환시켜주는 제 1 열교환기(160); 상기 고압의 수증기를 에너지원으로 하여 구동되는 터빈(201); 상기 터빈(201)과 동일축으로 연결되어 애노드 오프 가스를 개질기(400)로 보내주는 압축기(202);를 포함하는 것을 특징으로 하는 애노드 오프 가스 재순환 연료전지 시스템을 제공한다. 따라서 본 발명에 의하면 블로워를 사용하지 않고도 연료전지의 효율을 높일 수 있다는 이점이 있다.
Abstract:
본 발명은 수액주입용 선형 2중유량조절장치에 관한 것으로서, 보다 상세하게는 수액세트 등에 사용되어 수액의 유량을 조절하는 유량조절장치에 있어서, 수액이 유동하는 연결관을 압박하여 면적으로 조절하여 유량조절이 어려운 기존과는 달리, 유량이 유동되는 유량 채널부를 구비하고, 상기 유량 채널부의 일측에서 폭방향으로 움직이며 유로면적을 제어하는 제 1컨트롤부와, 상기 유량 채널부의 일면에서 높이방향으로 움직이며 유로면적을 제어하는 제 2컨트롤부로 구성되도록 하여, 유로면적이 폭과 높이의 2중으로 조절되어 기존보다 미세한 유량조절이 되면서, 선형제어가 가능하여 정확한 유량조절이 가능해지도록 한 수액주입용 선형 2중유량조절장치에 관한 것이다.
Abstract:
PURPOSE: An anode-off gas recirculation fuel cell system is provided to be able to increase the efficiency of a fuel cell without using a blower, and to require no separate power source necessary for the anode-off gas recirculation. CONSTITUTION: An anode-off gas recirculation fuel cell system comprises an exhaust flow path (130) which is connected to an outlet side of an anode to discharge anode-off gas; an anode-off gas recirculation flow path (140) which is divided from the exhaust flow path; a water supply unit (150) which supplies water in order to use steam as driving fluid; a first heat exchanger (160) which is connected to the recirculation flow path, and converts the water supplied to the water supply unit into high pressure steam by using anode-off gas of a high temperature; a turbine (201) which is driven by the high pressure steam as an energy source; and a compressor (202) which is connected to the turbine with the same shaft, and transfers the anode-off gas to a reformer (400).
Abstract:
PURPOSE: A flow control device for fluid injection capable of stepwise linear modulation and minute linear modulation is provided to stepwise-control and linear-control the flow rate accurately and efficiently in accordance with the flow rate that a user wants. CONSTITUTION: A flow control device for fluid injection capable of stepwise linear modulation and minute linear modulation includes: numerous stepwise paths(20) which are penetrated in a punched fluid path block(10), and in which fluid flows; numerous opening/closing plates(30) which control flow rate by being installed on each one end of the numerous stepwise paths and opening and closing the numerous stepwise paths, respectively; a linear minute path(40) which is penetrated in a punched fluid path block(10), and in which fluid flows; and a minute control board(50) which is installed from the one side of path block into the linear minute path so as to insert and discharge in a width direction and controls the area of the linear minute path, thereby minutely linear-controlling the fluid rate.
Abstract:
PURPOSE: A rotary type linear flow regulator is provided to decrease or increase a flow area in which an intravenous solution flows in proportion to the infusion amount of the solution regulated by rotation. CONSTITUTION: A rotary type linear flow regulator includes a flow channel part(10) and a regulating cover(20). A flow path(11) in which an intravenous solution flows is longitudinally formed inside the flow channel part. The regulating cover is rotatably installed at one side of the flow channel part, and regulates the flow area of the flow path in width direction in order to linearly regulate flow rate. The flow path is formed into a circular arc inside the flow channel part.
Abstract:
PURPOSE: A leak tightness structure for a turbine expander is provided to reduce a pressure difference which is applied to both ends of a sealing member which blocks a gap between a stator and a shaft, thereby preventing damage to a sealing member and improving the overall durability. CONSTITUTION: A leak tightness structure for a turbine expander includes a casing(110), a turbine wheel(120), a stator(130), a shaft(140), and a blocking unit(150). The turbine wheel is arranged inside the casing and is rotated by a working fluid which flowing from an inlet port(111). The stator is arranged to be adjacent to the casing. The shaft is coaxially coupled with the turbine wheel in the stator. The blocking unit blocks a gap between the stator and the casing. The shaft is formed with a connection flow passage(141) which connects an outlet and the blocking unit.
Abstract:
PURPOSE: An apparatus for inspecting the performance of a wet thermal insulator ensuring heat transfer uniformity of a heat source is provided to improve the reliability of a heat transfer property test for a wet thermal insulator by uniformly transferring heat from a heating body to the wet thermal insulator by dispersing the heat. CONSTITUTION: A chamber part(100) comprises a housing(110), a fixing unit(120), and a cover(130). The housing comprises a sidewall(111), a bottom plate(112), an upper panel(114), and a lower panel(115). The fixing unit comprises a length regulating member(121) and a separation prevention member(122). A wet thermal insulator(140) is arranged in the lower side of the accommodating part of the housing. A heat source(150) is arranged on the upper side of the wet thermal insulator and supplies heat.
Abstract:
PURPOSE: A pipe structure for connecting walls, a construction method, and a liquid level measuring apparatus for a dual vessel using the same are provided to obtain an easy construction task by elastically extending and contracting a pipe unit because the pipe unit is formed into a spiral shape. CONSTITUTION: A liquid level measuring apparatus(200) for a dual vessel comprises a condenser(230), a pipe structure(100) for connecting walls, and a differential pressure measuring unit(240). The condenser is connected to a domain accommodating gas of a dual vessel and the condenser liquefies the gas. The pipe structure for connecting the walls comprises a pair of connection units(120) and a pipe unit. The pair of connection units are installed in an inner vessel(210) and an outer vessel(220). At least a part of the pipe unit is wound in a spiral form so that the pipe unit is extended. Both end parts of the pipe unit is respectively mounted in the pair of the connection units so that a hollow portion of the pipe unit is connected to an accommodation space of the connection unit. The differential pressure measuring unit detects a liquid level of the dual vessel by measuring a pressure difference of the fluids provided form the condenser and pipe structure.
Abstract:
PURPOSE: An inscribed ball piston pump is provided to reduce the size of a ball piston pump by improving the suction performance according to the flow due to the centrifugal force of the fluid. CONSTITUTION: An inscribed ball piston pump comprises a fixed housing(10), a rotary cylinder shaft(20), an eccentric housing(30) and a ball piston. The fixed housing comprises a suction flow passage and a discharging flow passage. The rotary cylinder shaft comprises a cylinder bore. The cylinder bore provides the fluid through the suction flow passage and discharges to the discharging flow passage. An eccentric rotation section is formed in the inner surface of the eccentric housing. The ball piston is inserted in the cylinder bore, the fluid is in flowed to the cylinder bore by reciprocating, or the fluid is discharged from the cylinder bore.