DK1254013T3 - Fremgangsmåde til drift af en ekstrudertemperaturkontroller med stabil temperaturindstilling - Google Patents

Fremgangsmåde til drift af en ekstrudertemperaturkontroller med stabil temperaturindstilling

Info

Publication number
DK1254013T3
DK1254013T3 DK01910537T DK01910537T DK1254013T3 DK 1254013 T3 DK1254013 T3 DK 1254013T3 DK 01910537 T DK01910537 T DK 01910537T DK 01910537 T DK01910537 T DK 01910537T DK 1254013 T3 DK1254013 T3 DK 1254013T3
Authority
DK
Denmark
Prior art keywords
screw
extruder
stored
screw speed
speeds
Prior art date
Application number
DK01910537T
Other languages
Danish (da)
English (en)
Inventor
Saulius Tomas Eiva
Original Assignee
Davis Standard Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Davis Standard Corp filed Critical Davis Standard Corp
Application granted granted Critical
Publication of DK1254013T3 publication Critical patent/DK1254013T3/da

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29BPREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B7/00Mixing; Kneading
    • B29B7/80Component parts, details or accessories; Auxiliary operations
    • B29B7/82Heating or cooling
    • B29B7/826Apparatus therefor
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29BPREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B7/00Mixing; Kneading
    • B29B7/30Mixing; Kneading continuous, with mechanical mixing or kneading devices
    • B29B7/58Component parts, details or accessories; Auxiliary operations
    • B29B7/72Measuring, controlling or regulating
    • B29B7/726Measuring properties of mixture, e.g. temperature or density
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29BPREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B7/00Mixing; Kneading
    • B29B7/30Mixing; Kneading continuous, with mechanical mixing or kneading devices
    • B29B7/58Component parts, details or accessories; Auxiliary operations
    • B29B7/72Measuring, controlling or regulating
    • B29B7/728Measuring data of the driving system, e.g. torque, speed, power, vibration
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29BPREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B7/00Mixing; Kneading
    • B29B7/80Component parts, details or accessories; Auxiliary operations
    • B29B7/82Heating or cooling
    • B29B7/823Temperature control
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25Component parts, details or accessories; Auxiliary operations
    • B29C48/78Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling
    • B29C48/80Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling at the plasticising zone, e.g. by heating cylinders
    • B29C48/83Heating or cooling the cylinders
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25Component parts, details or accessories; Auxiliary operations
    • B29C48/78Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling
    • B29C48/80Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling at the plasticising zone, e.g. by heating cylinders
    • B29C48/83Heating or cooling the cylinders
    • B29C48/832Heating
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25Component parts, details or accessories; Auxiliary operations
    • B29C48/78Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling
    • B29C48/80Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling at the plasticising zone, e.g. by heating cylinders
    • B29C48/83Heating or cooling the cylinders
    • B29C48/834Cooling
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25Component parts, details or accessories; Auxiliary operations
    • B29C48/92Measuring, controlling or regulating
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29BPREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B7/00Mixing; Kneading
    • B29B7/30Mixing; Kneading continuous, with mechanical mixing or kneading devices
    • B29B7/34Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices
    • B29B7/38Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary
    • B29B7/40Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary with single shaft
    • B29B7/42Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary with single shaft with screw or helix
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C2948/00Indexing scheme relating to extrusion moulding
    • B29C2948/92Measuring, controlling or regulating
    • B29C2948/92009Measured parameter
    • B29C2948/92085Velocity
    • B29C2948/92095Angular velocity
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C2948/00Indexing scheme relating to extrusion moulding
    • B29C2948/92Measuring, controlling or regulating
    • B29C2948/92009Measured parameter
    • B29C2948/92209Temperature
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C2948/00Indexing scheme relating to extrusion moulding
    • B29C2948/92Measuring, controlling or regulating
    • B29C2948/92323Location or phase of measurement
    • B29C2948/92361Extrusion unit
    • B29C2948/9238Feeding, melting, plasticising or pumping zones, e.g. the melt itself
    • B29C2948/9239Screw or gear
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C2948/00Indexing scheme relating to extrusion moulding
    • B29C2948/92Measuring, controlling or regulating
    • B29C2948/92504Controlled parameter
    • B29C2948/9258Velocity
    • B29C2948/9259Angular velocity
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C2948/00Indexing scheme relating to extrusion moulding
    • B29C2948/92Measuring, controlling or regulating
    • B29C2948/92504Controlled parameter
    • B29C2948/92704Temperature
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C2948/00Indexing scheme relating to extrusion moulding
    • B29C2948/92Measuring, controlling or regulating
    • B29C2948/92819Location or phase of control
    • B29C2948/92857Extrusion unit
    • B29C2948/92876Feeding, melting, plasticising or pumping zones, e.g. the melt itself
    • B29C2948/92885Screw or gear
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C2948/00Indexing scheme relating to extrusion moulding
    • B29C2948/92Measuring, controlling or regulating
    • B29C2948/92819Location or phase of control
    • B29C2948/92857Extrusion unit
    • B29C2948/92876Feeding, melting, plasticising or pumping zones, e.g. the melt itself
    • B29C2948/92895Barrel or housing
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/03Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
  • Control Of Temperature (AREA)
DK01910537T 2000-02-09 2001-02-08 Fremgangsmåde til drift af en ekstrudertemperaturkontroller med stabil temperaturindstilling DK1254013T3 (da)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US18120200P 2000-02-09 2000-02-09

Publications (1)

Publication Number Publication Date
DK1254013T3 true DK1254013T3 (da) 2004-06-28

Family

ID=22663302

Family Applications (1)

Application Number Title Priority Date Filing Date
DK01910537T DK1254013T3 (da) 2000-02-09 2001-02-08 Fremgangsmåde til drift af en ekstrudertemperaturkontroller med stabil temperaturindstilling

Country Status (15)

Country Link
US (1) US6852257B2 (es)
EP (1) EP1254013B1 (es)
JP (1) JP3799274B2 (es)
KR (1) KR100865182B1 (es)
CN (1) CN1226131C (es)
AT (1) ATE267077T1 (es)
AU (1) AU783700B2 (es)
CA (1) CA2399118C (es)
CZ (1) CZ20022696A3 (es)
DE (1) DE60103367T2 (es)
DK (1) DK1254013T3 (es)
ES (1) ES2219509T3 (es)
MX (1) MXPA02007772A (es)
PT (1) PT1254013E (es)
WO (1) WO2001058668A2 (es)

Families Citing this family (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2002094916A1 (en) * 2001-05-23 2002-11-28 A San Chemicals Co., Ltd. Pellet-type foams of non-crosslinked polypropylene resin having lower melting point and process and device for producing the same and molded foams therefrom
US20040265409A1 (en) * 2003-05-21 2004-12-30 Stephen Keeley Closed loop oven control system and method
US20050213423A1 (en) * 2004-03-25 2005-09-29 Ferencz Joseph M Apparatus for manufacturing thermosetting powder coating compositions with dynamic control including low pressure injection system
ATE524861T1 (de) * 2004-04-03 2011-09-15 Krauss Maffei Tech Gmbh Wassergekühlte steuereinrichtung für eine spritzgiessmaschine
US7653460B2 (en) * 2006-08-14 2010-01-26 Husky Injection Molding Systems Ltd. Thermal management of extruder of molding system, amongst other things
JP4886648B2 (ja) * 2007-09-28 2012-02-29 富士フイルム株式会社 溶融押出装置及び熱可塑性樹脂フィルムの製造方法
CN102089138B (zh) * 2008-07-08 2013-08-14 倍耐力轮胎股份公司 用于生产弹性体复合物的多螺杆的挤出机装置
PL2346657T3 (pl) * 2008-10-31 2013-09-30 Corning Inc Dwuobwodowa kontrola wsadu wytłaczania prekursora ceramicznego
CN101890792B (zh) * 2009-05-22 2013-09-11 田贵熙 塑料注塑和挤出过程中的能量分配与消耗控制方法
GB0918362D0 (en) 2009-10-20 2009-12-02 Surface Generation Ltd Zone control of tool temperature
SG192571A1 (en) * 2011-02-17 2013-09-30 Meiban Int Pte Ltd Micro-temperature controller
CN102651429A (zh) * 2011-02-24 2012-08-29 常州泰和光电科技有限公司 液态金属片的制作设备
DE102011114576A1 (de) * 2011-09-30 2013-04-04 Thermo Electron (Karlsruhe) Gmbh Extruder
ITMI20112128A1 (it) * 2011-11-23 2013-05-24 Semplice Spa Macchina per estrusione a struttura perfezionata, particolarmente per mescole termoplastiche.
US9441893B2 (en) * 2012-07-25 2016-09-13 Grifols, S.A. Thawing vessel for biological products
TWI519403B (zh) * 2013-06-24 2016-02-01 緯創資通股份有限公司 量測熔體溫度的熱澆道結構
US20160200025A1 (en) * 2013-08-29 2016-07-14 Sabic Global Technologies B.V. Thermally insulated melt processor and process for melt processing with same
CA2989935C (en) * 2015-08-12 2020-02-18 Omachron Intellectual Property Inc. Extruder
US11472065B2 (en) 2015-08-12 2022-10-18 Omachron Intellectual Property Inc. Plastic parts made from plastics having different melting points and a method of manufacturing same
US10870226B2 (en) 2019-03-27 2020-12-22 Omachron Intellectual Property Inc. Apparatus and methods using multiple extruders
US11279072B2 (en) 2019-03-27 2022-03-22 Omachron Intellectual Property Inc. Extruder with feed block for promoting increased mass transport rate
US11161275B2 (en) 2019-03-27 2021-11-02 Omachron Intellectual Property Inc. Modular extruder
US11969932B2 (en) 2019-06-25 2024-04-30 Omachron Intellectual Property Inc. Puller apparatus with movable mounting arm
CN111055467A (zh) * 2019-12-31 2020-04-24 广东金兴机械股份有限公司 一种具有熔体压力温度控制系统的片材挤出机
CN113500760B (zh) * 2021-07-23 2023-05-23 江苏亨通光电股份有限公司 一种挤塑速度补偿方法、系统、计算机设备及存储介质
DE102021130574A1 (de) * 2021-11-23 2023-05-25 REHAU Industries SE & Co. KG Verfahren zur Einhaltung eines Prozessfensters einer Kunststoff-Extrusionsanlage

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3751014A (en) 1970-09-21 1973-08-07 Graham Engin Corp Apparatus for extruding synthetic plastic resins at low temperatures
US3866669A (en) 1972-12-13 1975-02-18 Crompton & Knowles Corp Extruder and temperature control apparatus therefor
USRE31903E (en) 1979-06-15 1985-06-04 Crompton & Knowles Corporation Extruder temperature controller
US4262737A (en) 1979-06-15 1981-04-21 Crompton & Knowles Corporation Extruder temperature controller
JPS58148740A (ja) * 1982-02-27 1983-09-03 Fujikura Ltd プラスチツク成形機の樹脂温度制御方法
US4437046A (en) * 1982-06-18 1984-03-13 Crompton & Knowles Corporation Extrusion drive control system
ATE26675T1 (de) * 1983-05-27 1987-05-15 Bbs Kraftfahrzeugtechnik Kraftfahrzeugrad.
JPH03161802A (ja) * 1989-11-21 1991-07-11 Toshiba Corp シーケンス制御における渋滞予測装置
JPH0497816A (ja) * 1990-08-16 1992-03-30 Omron Corp 成形機のコントローラ
US5149193A (en) * 1991-01-15 1992-09-22 Crompton & Knowles Corporation Extruder temperature controller and method for controlling extruder temperature
US6755564B2 (en) * 2000-02-09 2004-06-29 Davis-Standard Corporation Extruder temperature controller with stable temperature reset

Also Published As

Publication number Publication date
CZ20022696A3 (cs) 2003-01-15
CA2399118A1 (en) 2001-08-16
ES2219509T3 (es) 2004-12-01
DE60103367D1 (de) 2004-06-24
AU3813201A (en) 2001-08-20
CA2399118C (en) 2007-11-20
EP1254013B1 (en) 2004-05-19
US20030030166A1 (en) 2003-02-13
JP3799274B2 (ja) 2006-07-19
WO2001058668A2 (en) 2001-08-16
US6852257B2 (en) 2005-02-08
MXPA02007772A (es) 2002-10-11
WO2001058668A3 (en) 2002-01-31
AU783700B2 (en) 2005-11-24
CN1226131C (zh) 2005-11-09
JP2003522050A (ja) 2003-07-22
EP1254013A2 (en) 2002-11-06
CN1416389A (zh) 2003-05-07
KR20020073584A (ko) 2002-09-27
DE60103367T2 (de) 2005-06-02
PT1254013E (pt) 2004-09-30
ATE267077T1 (de) 2004-06-15
KR100865182B1 (ko) 2008-10-23

Similar Documents

Publication Publication Date Title
DK1254013T3 (da) Fremgangsmåde til drift af en ekstrudertemperaturkontroller med stabil temperaturindstilling
KR920703305A (ko) 압출기 온도 제어기 및 압출기 온도 제어 방법
DE60116057D1 (de) Stabiles rückstellungsverhalten aufweisender extruderzylindertemperaturregler
KR940704025A (ko) 임시적인 다음 시구간 조절 수단을 갖는 전자 타임 서모스탯(electronic time thermostat with a temporary next period adjustment means)
NZ531852A (en) Generic motor control system and method
DE69800200T2 (de) Elektronische Thermostatsteuerung und Anwendung als Mehrpunkt-Teperaturueberwacher in Heizungs- und Kuehlsystemen
KR870000630A (ko) 공간온도의 초과량 혹은 미달량을 제어할 수 있는 온도 조절수단
US9839097B2 (en) Method and apparatus for controlling lamp based on switching action
TW200731279A (en) On die thermal sensor of semiconductor memory device and method thereof
KR920701636A (ko) 디지틀 제어장치
KR880010301A (ko) 냉 장 고
KR940022026A (ko) 급탕기
KR950001188A (ko) 난방기의 제어장치
US20180026436A1 (en) Power supply control apparatus
KR920022071A (ko) 보냉 장치의 온도 제어 장치
BR0100052A (pt) Sistema de refrigeração, refrigerador e método de controle para um compressor
JPS61160896A (ja) ダイナミツクramのメモリリフレツシユ動作制御方式
KR930023787A (ko) 서미스터를 이용하는 시스템의 온도 제어방법
SU1532907A1 (ru) Устройство дл регулировани температуры
SU781784A1 (ru) Регул тор температуры
KR970047774A (ko) 열 교환기 자동 온도 조절 장치 및 그 제어 방법
SU1264151A1 (ru) Устройство дл регулировани температуры
CN118149434A (zh) 一种对环境温度进行动态调整的方法及系统
KR910010121A (ko) 난방용 연소기의 제어장치
KR920021933A (ko) 난방기의 제어장치