baber/WOPTO huggingface dataset:
Patent KR-20060123006-A (KR)
Title: Optically-pumped vertical external cavity surface emitting laser
Inventor: YOO JAE RYUNG
IPC: H01S5/183
Filed: 2005-05-28
Abstract: An optically-pumped vertical external cavity surface emitting laser is provided to enhance an optical output by increasing a volume of a periodic gain region that is a multi-quantum well activation region. A DBR mirror(120) is formed on a substrate(110). A second multi-quantum well activation region(130) is formed on the DBR mirror. A first multi-quantum well activation region(140) is formed on the second multi-quantum well activation region. A capping layer(152) is formed on the first multi-quantum well activation region. A first optical pump(160) is used for irradiating a pump beam having a first wavelength range on a surface of the capping layer. A second optical pump(162) is used for irradiating a pump beam having a second wavelength range on the surface of the capping layer. An external cavity mirror(170) is installed at the outside opposite to the DBR mirror.
Patent KR-20060124059-A (KR)
Title: Curvature ruler for underground transmission cable
Inventor: KIM JIN
IPC: G01B5/20
Filed: 2005-05-30
Abstract: A curvature ruler for measuring a tolerant curvature of an underground power cable is provided to relatively improve an accuracy by simply measuring whether the underground power cable is installed within a range of a reasonable permissible curvature. In a curvature ruler for measuring a tolerant curvature of an underground power cable, a plurality of stators(11~16) is successively connected to each other in a row. A plurality of hinges is installed between a lower surface of a plurality of rotors. And, the plurality of the rotors is successively installed to revolve around a center of a rotation axis(4).
Patent KR-20060131304-A (KR)
Title: Shoe of swahsh plate type compressor
Inventor: LEE GEON HO
IPC: F04B27/08
Filed: 2005-06-15
Abstract: A shoe of swash plate type compressor is provided to improve the sliable contact by realizing smooth lubrication between the shoe and a swash plate, or the shoe and a piston, and prevent lowering of the durability of the shoe by easily discharging alien substances by forming a chamfered part between an outer peripheral part and a swash plate contact part of the shoe. A shoe of a swash plate type compressor is placed between a piston and a swash plate. The shoe is formed of a spherical part(710) slidably combined with a concave spherical part of the piston when the shoe is seen from a longitudinal section, and a flat swash plate contact part sliably contacting with the swash plate at an opposite side of the spherical part. A plurality of concave parts(740) are formed along an outer peripheral part(730) between the spherical part and the swash plate contact part.
Patent KR-20060133294-A (KR)
Title: Method and apparatus for controlling transfer voltage in image forming device
Inventor: SHIM WOO JUNG
IPC: G03G15/00
Filed: 2005-06-20
Abstract: A method and an apparatus for controlling a transfer voltage in an image forming apparatus are provided to determine the transfer voltage applied to the transfer roller considering the amount of toner detected while a toner image is transferred from a photoconductive member to an intermediate transfer member when determining an optimum transfer voltage applied to the transfer roller in the multi-path type electrophotographic image forming device, thereby maintaining best printing quality regardless of a coverage of an entire printing image. In a method for controlling a transfer voltage applied to a transfer roller in order to transfer a toner image formed on an intermediate transfer member to a medium in a multi-path electrophotographic image forming device comprising a photoconductive member, the intermediate transfer member, an intermediate transfer roller, and the transfer roller, the method comprises the steps of: detecting an amount of toner transferred from the photoconductive member to the intermediate transfer member(320); and determining a voltage applied to the transfer roller by using the detected amount of toner(350).
Patent KR-20070000222-A (KR)
Title: Noise compensation method based on eigen environment
Inventor: KIM HYUNG SOON
IPC: G10L15/20
Filed: 2005-06-27
Abstract: A method for compensating noise based on the eigen-environment is provided to estimate the weighted value of the eigen environment and compensate the noise by means of the estimated result. The M gaussian mixtures are calculated at every noise environment of R noise environments in order to check the prior distribution related to the change of various noise environments. A bias vector such as a compensation vector for representing the difference related to the original sound model at each mixture is simultaneously calculated. R compensation vector sets related to R noise sound models are obtained. M compensation vectors are connected so that a bias super vector is obtained.
Patent KR-20070000225-A (KR)
Title: Bubbling pipe for molten iron pre-treatment process
Inventor: LEE SUK YEUN
IPC: C21C1/02
Filed: 2005-06-27
Abstract: A bubbling pipe for molten iron pre-treatment which not only prevents breakage of refractories due to a thermal expansion coefficient difference between the pipe and the refractories, but also buffers vibration generated while a gas or gas mixture passes through the pipe, thereby preventing breakage or damage of the refractories is provided. In a bubbling pipe(10) comprising a hollow pipe(30) consisting of a straight line part(31) and a curved line part(32) integrally formed on a lower part of the straight line part, and a refractory sleeve formed on an outer peripheral surface of the pipe as a pipe for blowing a gas or gas mixture into molten iron in a molten iron pre-treatment process, a bubbling pipe for molten iron pre-treatment comprises: a ceramic fibrous buffering material(80) formed between the pipe and the sleeve; a first sleeve part(50) that is contacted with slag of molten iron; and a second sleeve part(60) that is not contacted with slag of molten iron. The first sleeve part is made of a SiC-based high grade refractory material with higher heat resistance, and the second sleeve part is made of a mullite-based ordinary refractory material with lower heat resistance. The first and second sleeve parts comprise a plurality of sleeve bodies, and connection projections and connection grooves are connected to upper and lower portions of the respective sleeve bodies.
Patent KR-20070001451-A (KR)
Title: System and method for alarming absence call in a portable phone on mobile network
Inventor: YANG YOUN HWA
IPC: H04W4/16
Filed: 2005-06-29
Abstract: A system and a method for alarming a call during absence in an MS by using a mobile communication network are provided to enable a guide voice message corresponding to an absent state to be transmitted to the MS of a calling party, so that the MS user of the calling side can more easily recognize the absent state of a receiving-side MS user. A system for alarming a call during absence in a mobile station by using a mobile communication network comprises the followings: MSs(Mobile Stations)(100,101) which transmit a guide voice message, pre-stored during absence, according to an alarm service execution command during absence from a user if an incoming call is received from the other party when an alarm service mode is set during absence, and alarms information about the incoming call during absence to the user when the alarm service mode is released; an MSC(Mobile Switching Center)(106); and an absent call alarm server(108) which stores and manages the guide voice message and provides the guide voice message corresponding to the alarm service execution command during absence of a called-side user to the MSC(106) when transmission of the guide voice message is requested.
Patent KR-20070002212-A (KR)
Title: Inserting and ejecting apparatus for memory module
Inventor: KWON HYOUN CHOUL
IPC: G01R31/26
Filed: 2005-06-30
Abstract: A memory module inserting/separating device is provided to insert or separate a memory module into/from a main board socket of a memory module test handler regardless of the kind of the memory module. A fixing unit(110) includes a first combining unit formed at the upper side and combined with a guide of a memory module test handler system to move horizontally, and second combining units formed at the front lower left and right sides and joined with first LM(Linear Motion) guides to move vertically. A damper unit(120) comprises a damping cylinder fixed in the front center and provided with a rod, a lower front end of which is connected to the upper side of a picker unit(130); the first LM guides arranged at rear left and right sides and joined with the second combining units to move vertically; and second LM guides disposed at the front lower left and right sides and combined with third combining units to move vertically. The picker unit comprises the third combining units formed at the rear upper part and joined with the second LM guides to move vertically; a stopper on which a memory module(M) is placed; a pair of pickers disposed at the front lower side to move horizontally; picker cylinders supplying horizontal moving power to the pickers; a sensing rod settled by a fixing unit installed at the front lower side to move vertically and formed with a lower front end, which is downwardly protruded by predetermined length through the stopper; and a sensor detecting the upper front end of the sensing rod.
Patent KR-20050075744-A (KR)
Inventor: JEONG JUN IK
IPC: G08G1/09
Filed: 2005-06-30
Abstract: 본 발명은 본선도로에 우측 또는 좌측으로 진입도로가 합쳐지는 합류도로에서 발생하는 교통사고를 예방하기 위한 합류안전신호장치로서, 특히, 자동차 전용도로인 본선도로에 진입도로가 합쳐지는 합류도로에서 교통 신호등이 부재하였을 때, 상기 본선도로와 진입도로 사이에 형성된 임의의 장애물, 날씨에 따른 착시 현상, 또는, 주야 간에 상기 진입도로에서 진입하려는 차량 운전자의 판단오류에 의해 발생하는 추돌 및 충돌 교통사고를 예방하기 위해 본선도로의 합류차로에 주행하는 차량의 여부를 영상검지기로 판별하고 신호함으로써 안전한 진입을 유도하여 교통안전 및 교통환경개선에 기여할 수 있는 교통제어용 합류안전신호장치에 관한 것이다. 특히, 상기 본선도로가 2차로 이상이거나, 진입도로가 2개 이상 연속적으로 합류하는 도로의 경우, 전 진입도로에서 진입하는 차량을 후 진입도로에서 진입하려는 운전자가 확인하지 못하고 진입하려다 발생하는 교통사고를 예방하기 위해 각 진입도로 운전자에게 정확한 본선도로의 교통정보를 제공하여 안전한 진입을 유도하여 교통사고를 미리 방지하는 장치이다. 
     CCTV나 CCD 카메라와 같은 영상획득 장치로 영상을 획득하여 본선도로와 진입도로가 합류하는 차로의 차량이 없을 때의 도로면의 배경영상과 시간이 지남에 따른 입력영상과의 영상처리를 통한 밝기변화와 색 변화, 경계점 개수의 변화를 이용하여 차량을 검지하고, 합류시 안전 여부를 판별하여 진입도로 측에 신호하여 진입도로 측 운전자에게 합류안전 신호를 제공한다. 
     본 발명은 종래와 같은 발신기와 수신기로 이루어진 방법이 아니므로 발신기의 설치에 필요한 도로 양 옆쪽에 설치장소가 불필요하여 특히, 본선차로가 중앙선으로 분리된 양방향 차로일 경우 중앙선에 돌출부를 만들어야 하는 큰 문제점이 없다. 또한, 영상검지기를 이용하여 종래의 방법에 비해 우천시, 안개시 등 날씨 환경에 의해 왜란의 발생이 없고, 도로에 매설해야하는 발신부에서 수신부 사이의 이어지는 배선 처리의 문제점이 없는 장점이 있어, 설치 및 유지보수비를 절감할 수 있는 효과가 있다.
Patent KR-20070002834-A (KR)
Title: Display method for recording list in digital recorder
Inventor: KIM HEANG YOUNG
IPC: G11B20/10
Filed: 2005-06-30
Abstract: A recording list display method of a digital recorder is provided to be capable of activating an initial title on a recording list if a menu key is inputted when the recording list is displayed, and of activating a recording title which is recorded right before if a reproduction key is inputted, thus convenience for recording quality test and reproduction operation is increased. When a recording process for a video title is completed in recording mode, a digital recorder enters a reproduction idle mode to wait for a command to be inputted(S301-S305). If a menu key is inputted in the reproduction idle mode, the recorder reads recorded video title information to enable a thumbnail corresponding to an initial title to be in active state, then displays a recording list(S307,S315,S317). If a reproduction key is inputted in the reproduction idle mode, the recorder reads the recorded video title information to enable a thumbnail corresponding to a title which is recorded right before, to be in active state, then displays the recording list(S309,S311,S313).
Patent KR-20070003195-A (KR)
Title: Combination apparatus
Inventor: KANG JAE HYUK
IPC: F16B39/26
Filed: 2005-06-30
Abstract: An engagement apparatus is provided to obtain the reliability of engagement by preventing loosening of a screw due to an external force. An engagement apparatus includes a housing(310), a screw(100), and a resilient member. The screw is accommodated in the housing and has a predetermined inner diameter and a predetermined height. The screw has a head portion and a cylindrical body. A drive recess etched by a predetermined pattern is provided in the head portion and the cylindrical body has a predetermined diameter. A screw thread is formed on the outer peripheral surface of the screw. The resilient member penetrates an engagement portion and is adjacent to the lower surface of the head portion. The resilient member is accommodated in the interior of the housing.
Patent KR-20060049888-A (KR)
Inventor: KIMBALL ANDREW E
IPC: G06F9/06
Filed: 2005-07-06
Abstract: 본 발명은 대조 정보를 데이터 타입에 통합하는 시스템 및 방법에 관한 것이다.  특히, 본 발명은 두 상이한 대조 사이의 비교가 런타임 에러보다 정적-타입 에러를 생성하도록 대조 정보를 가지고 데이터 타입을 파라미터화하는 방법을 제공한다.  부가적으로, 본 발명은 일반적인 타입(ordinary type)뿐 아니라 대조에 대한 일반화 파라미터화(generic parameterization)를 허용하기 위해 로컬화된 데이터 타입을 가지고 편리하게 동작할 수 있다.  스트링의 문맥에서, 본 발명은 다수의 언어에서 스트링의 동시 사용을 가능하게 하고, 그것의 올바른 핸들링을 용이하게 한다.   
       
     대조 정보, 데이터 타입, 비교, 파라미터화
Patent KR-20070005418-A (KR)
Title: Method of menu access
Inventor: LEE SEON OK
IPC: H04B1/40
Filed: 2005-07-06
Abstract: A menu accessing method is provided to enable a user to access menus with one button, while the number of top menus is increased up to more than 10, therefor the user is able to access more applications through a short path. When a user selects a top menu, menu items selectable with a one-digit number key are displayed(S11,S12). It is confirmed whether a next button is operated(S13). If not, a key inputting action is waited(S14). If the next button is operated, a menu on the top is upgraded among the displayed menu items, then next menu items are displayed(S15). The displaying method of the menu items selectable with the one-digit number key displays the menu items in 3 by 3 matrix type.
Patent KR-20070008902-A (KR)
Title: Auxiliary device for driving of the disabled
Inventor: KO YONG SUNG
IPC: B60T7/08
Filed: 2005-07-12
Abstract: An auxiliary driving device for the handicapped is provided to increase a used area of indoor space by detachably mounting an operating handle, to improve driving convenience for the handicapped or general people, and to simply operate with buttons and maintain the current operated state in parking or driving a vehicle at constant speed. An auxiliary driving device(1) for the handicapped comprises a fixing piece(11) installed on one side of a straight plate type fixing plate(10); a fixing hole(12) formed on the front end of the fixing piece to be combined with a bolt; a fixing gear formed at the upper and lower sides of the other end of the fixing piece in a predetermined angular range on the circumference of a central shaft(15) formed on one end of the fixing plate; an accelerator fixing gear(13) installed at the upper side; a brake fixing gear(14) installed at the lower side; a rotating plate(20) spaced from the fixing plate and installed rotatably; a holder fixed with a support bar on the outer surface; and an operating handle(30) having a handle bar(32) inserted to the holder.
Patent KR-20070009917-A (KR)
Title: Apparatus and method for offering server list
Inventor: MIN JU WON
IPC: H04L29/06
Filed: 2005-07-16
Abstract: An apparatus and a method for providing a server list are provided to exclude IP assignment from a DHCP server operating a service, which a user does not want, and select a DHCP sever operating a service, which the user wants, thereby providing convenience to the user and reducing unnecessary time because the user has no need to receive an IP once more. An apparatus for providing a server list comprises the followings: an analysis unit(200) which analyzes a DHCP(Dynamic Host Configuration Protocol) server IP(Internet Protocol) in packets received from a DHCP server or a repeater; a list generator(210) which responds to a result analyzed in the analysis unit(200) and generates the DHCP server IP in a list type; and a list outputting unit(220) which outputs the generated list. The list outputting unit(220) displays the generated list through a user interface.
Patent KR-20070010839-A (KR)
Title: Method for correcting overlay of semiconductor device
Inventor: BAE SANG MAN
IPC: H01L21/027
Filed: 2005-07-20
Abstract: A method for correcting an overlay of a semiconductor device is provided to accurately correct the overlay by reducing a line width of a photoresist pattern for a contact hole by performing a baking process on a semiconductor substrate by using a roller heating system. A semiconductor substrate(100) is arranged to be normal to a ground surface with reference to a flat zone(130). A baking unit(150) is added to an upper surface of the semiconductor substrate, such that a baking process is performed on the semiconductor substrate. The baking unit includes a wafer vaporizing unit(140) and a wafer rotation system(120). The wafer vaporizing unit and the wafer rotation system are formed at a rear surface of the semiconductor substrate. A cylinder heating roller is arranged on the wafer. The heating roller reciprocally moves 1 to 20 times for 1 to 3 minutes. After a photoresist pattern is formed, the baking process is performed, such that a line width of the photoresist pattern is reduced. The baking process is performed at a temperature ranging from 100 to 500‹C.
Patent KR-20050082164-A (KR)
Title: K2005 건축용 인스턴트몰탈시멘트
Inventor: EUM JAE WAN
IPC: B65D33/00
Filed: 2005-07-18
Abstract: 본 발명품은 건축용 혼합 몰탈시멘트로, 기존 시중에 유통되는 몰탈 시멘트는 기름 보일러를 가동하여 모래를 건조시켜 시멘트 가루와 혼합하는 방식이기 때문에 생산 원가가 높아지고, 현장에서 사용할 때 모래가 너무 건조하여 먼지가 너무 많이 발생하므로 환경오염이 발생하고 이에대한 공해방지시설 설치비용이 추가 됨으로써 원가상승의 원인이 되어왔음. 
     본 발명품은 이러한 단점을 보완하여 모래를 건조할 필요없는 간편한 방법을 택함으로써 저렴한 비용으로 제품을 생산·공급하여 건설경기 활성화에 기여하고, 나아가 국가 경제에 이바지 하고자 본제품을 발명하게 되었음.
Patent KR-20070012896-A (KR)
Title: Hinge structure for control their height
Inventor: CHOI MUK SEON
IPC: E05D7/00
Filed: 2005-07-25
Abstract: A door hinge structure for height control is provided to repair damage and breakage by controlling height of a door by controlling height of an adjustment screw built in a hinge shaft, thereby improving lifespan thereof. A door hinge structure for height control comprises a fixing plate member(10), a rotary plate member(20), an adjustment member, and a plurality of hinge grooves(40). The fixing plate member comprises a metal fixing plate(11) fixed to one side of an inner surface of a door frame, a lower hinge shaft(12) connected to the fixing plate, and a hinge connection shaft(14) connected to an upper middle part of the lower hinge shaft so that an upper hinge shaft(22) of the rotary plate is connected to the lower hinge shaft. The rotary plate member comprises a metal rotary plate(21) rotated by a predetermined range at one side of the door, and the upper hinge shaft connected to the rotary plate and having a screw groove(24) and a vent hole. The adjustment member includes an adjustment screw(36) mounted to the upper hinge shaft to control height of the rotary plate. The hinge grooves are formed at the plate and fixed to the door and the door frame by a fixing unit.
Patent KR-20070014799-A (KR)
Title: Control method for display of mobile communication apparatus
Inventor: KIM JAE HEE
IPC: H04B1/40
Filed: 2005-07-29
Abstract: An apparatus for controlling display in a mobile communication terminal is provided to edit still images or video data, obtained by using a camera module, and display the video data while a user listens to audio broadcasting such an MP3 file or DMB(Digital Multimedia Broadcasting), thereby providing the user with improved satisfaction about listening to music. An apparatus(100) for controlling display in a mobile communication terminal comprises the followings: an operation unit(40) for outputting an input signal of a user; a video processor(30) converting analog video data inputted from a camera module(31) into digital data and edits the plural video data, converted into a digital signal by an output signal of the operation unit(40), to be continuously displayed; an audio processor(60); and a controller(10) for outputting a control signal so as to continuously display the video data, edited by the video processor(30), when a preset signal is inputted from the operation unit(40).
Patent KR-20070018212-A (KR)
IPC: H01L33/00
Filed: 2005-08-09
Abstract: 본 발명은 수직형 발광 다이오드 및 그 제조방법에 관한 것으로서, 기판 상에 상호 이격되어 형성되며, 다양한 디자인을 가지는 복수개의 발광 구조물들 사이에 분리용 포스트를 형성하여 스크라이빙 공정 없이 상기 복수개의 발광 구조물들을 다양한 디자인을 가지는 발광 다이오드로 분리시키는 것을 특징으로 한다. 
     	본 발명에 의하면, 발광 다이오드의 구조를 획일적인 사각형 구조에서 벗어나 발광 다이오드가 실제 사용됨에 있어 필요한 구조를 가지도록 할 수 있으며, 원형에 가까운 구조로 제작하여 소자의 열적, 전기적, 광학적 특성을 향상시킬 수 있는 효과가 있다. 
       
     	수직형 발광 다이오드, 스크라이빙, 블루 테이프
Patent KR-20070018484-A (KR)
IPC: H04B1/40
Filed: 2005-08-10
Abstract: 본 발명은 카메라모듈을 구비한 이동통신 단말기에 있어서, 상기 카메라모듈에 의해 입력된 영상신호의 제 N 프레임을 출력하고, 소정 동기신호에 상응하여 상기 영상신호의 제 N+1 프레임을 출력하는 제어부와; 상기 제어부에 의해 입력된 상기 제 N 프레임을 표시하고, 상기 제 N+1 프레임을 표시하기 위한 동기신호를 상기 제어부로 입력하는 표시부를 포함하여 이루어지는 이동통신 단말기 및 영상신호 표시 방법에 관한 것으로, 카메라모듈을 통해 입력되는 영상을 화면에 표시할 때, 상기 영상이 깨지는 현상을 방지하는 효과가 있다. 
       
     이동통신 단말기, 카메라, 영상신호, 디스플레이
Patent KR-20060050773-A (KR)
Inventor: THOMENIUS KAI E
IPC: B06B1/02
Filed: 2005-08-29
Abstract: 본 발명에 따르면 모자이크 센서 어레이의 하부 소자(subelements)(32)를 재구성하여 소자를 형성하는 집적된 스위치 매트릭스가 제공된다.  스위치 매트릭스의 구성은 완전히 프로그래밍 가능하다.  스위치 매트릭스는 접속 하부 소자를 버스 라인(34)에 접속하는 액세스 스위치(30) 및 접속 하부 소자를 하부 소자에 접속하는 매트릭스 스위치(36)를 포함한다.  각각의 하부 소자는 적어도 하나의 액세스 스위치, 적어도 하나의 매트릭스 스위치, 각각의 스위치의 미래 상태를 저장하는 제각기의 메모리 소자(88) 및 각각의 스위치에 대한 제각기의 제어 회로(52)를 포함하는 단위 전자 셀(unit electronics cell)(50)을 구비한다.  액세스 및 매트릭스 스위치는 스위치의 현재 스위치 상태를 나타내는 제어 데이터를 기억하는 능력을 갖는 타입이고, 이러한 제어 데이터는 제어 회로 내에 포함된 턴-온/오프 회로(turn-on/off circuit)에 대한 데이터 비트 입력을 포함한다.  센서 어레이 및 스위칭 매트릭스는 공동-집적된 구조물(co-integrated structure)의 상이한 계층(strata) 내에 형성되거나 전기적으로 접속된 별개의 웨이퍼 상에 형성될 수 있다.  센서가 육각형 그리드로 정렬되면, 단위 스위치 셀은 육각형 또는 직사각형 그리드 중 어느 하나로 정렬될 수 있다.
Patent KR-20070028622-A (KR)
Title: Device and method for controlling volume automatically
Inventor: KIL WERN BAE
IPC: H04N5/60
Filed: 2005-08-30
Abstract: An apparatus and a method for automatically controlling sound volume are provided to determine an output volume level of a speaker in consideration of inputted environmental noises, thereby enabling a user to have no inconvenience in listening to sound from the speaker even through there are noises around the user. A noise input unit(110) receives external noises. A database unit(120) stores information of set noises. An information search unit(130) searches noises corresponding to the received noises from the database. A volume level decision unit(140) decides an output volume level of a speaker(150) in accordance with comparison of the received noises and the searched noises. The speaker outputs sound according to the decided output volume level. The noise input unit includes a sound sensor(112). The speaker includes a volume control unit(152) automatically controls the output volume level of the speaker according to the decided output volume level.
Patent KR-20070025332-A (KR)
Title: Refrigerating system
Inventor: LEE SEOK HEE
IPC: F25B43/00
Filed: 2005-09-01
Abstract: A cooling system is provided to smoothly cool each part of a refrigerator according to a cooling temperature and reduce cooling time of a predetermined desired temperature of food by forming plural evaporators and expansion valves. A cooling system comprises a compressor(10) compressing refrigerator, a condenser(20), plural evaporators evaporating the condensed refrigerator, plural expansion valves arranged on a refrigerant line between the condenser and the evaporator to control the flow rate of the refrigerator, and a gas-liquid separator(50) placed on the refrigerant line installed with the expansion valve to divide the refrigerant into liquid and gas. The plural evaporators contain a high temperature evaporator(31), a middle temperature evaporator(32), and a low temperature evaporator(33). The expansion valves contains high and low pressure expansion valves(41,42).