JP5728132B2 - 流体動圧軸受を用いるタービン制御用スチームバルブの油圧サーボアクチュエータ - Google Patents
流体動圧軸受を用いるタービン制御用スチームバルブの油圧サーボアクチュエータ Download PDFInfo
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- JP5728132B2 JP5728132B2 JP2014518837A JP2014518837A JP5728132B2 JP 5728132 B2 JP5728132 B2 JP 5728132B2 JP 2014518837 A JP2014518837 A JP 2014518837A JP 2014518837 A JP2014518837 A JP 2014518837A JP 5728132 B2 JP5728132 B2 JP 5728132B2
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- 230000002093 peripheral effect Effects 0.000 claims description 54
- 230000003139 buffering effect Effects 0.000 claims description 7
- 239000000126 substance Substances 0.000 claims description 5
- 239000011148 porous material Substances 0.000 claims description 4
- 238000001914 filtration Methods 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 9
- 239000002245 particle Substances 0.000 description 6
- 239000010720 hydraulic oil Substances 0.000 description 4
- 230000002706 hydrostatic effect Effects 0.000 description 4
- 230000005856 abnormality Effects 0.000 description 3
- 239000000356 contaminant Substances 0.000 description 3
- 238000011109 contamination Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000003921 oil Substances 0.000 description 3
- 230000001133 acceleration Effects 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
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- RZVAJINKPMORJF-UHFFFAOYSA-N Acetaminophen Chemical compound CC(=O)NC1=CC=C(O)C=C1 RZVAJINKPMORJF-UHFFFAOYSA-N 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000001627 detrimental effect Effects 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 230000014509 gene expression Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000003758 nuclear fuel Substances 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
- F15B15/08—Characterised by the construction of the motor unit
- F15B15/14—Characterised by the construction of the motor unit of the straight-cylinder type
- F15B15/1423—Component parts; Constructional details
- F15B15/1471—Guiding means other than in the end cap
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
- F15B15/08—Characterised by the construction of the motor unit
- F15B15/14—Characterised by the construction of the motor unit of the straight-cylinder type
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
- F01D17/00—Regulating or controlling by varying flow
- F01D17/10—Final actuators
- F01D17/12—Final actuators arranged in stator parts
- F01D17/14—Final actuators arranged in stator parts varying effective cross-sectional area of nozzles or guide conduits
- F01D17/141—Final actuators arranged in stator parts varying effective cross-sectional area of nozzles or guide conduits by means of shiftable members or valves obturating part of the flow path
- F01D17/145—Final actuators arranged in stator parts varying effective cross-sectional area of nozzles or guide conduits by means of shiftable members or valves obturating part of the flow path by means of valves, e.g. for steam turbines
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
- F02B37/00—Engines characterised by provision of pumps driven at least for part of the time by exhaust
- F02B37/12—Control of the pumps
- F02B37/24—Control of the pumps by using pumps or turbines with adjustable guide vanes
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
- F15B15/08—Characterised by the construction of the motor unit
- F15B15/14—Characterised by the construction of the motor unit of the straight-cylinder type
- F15B15/1423—Component parts; Constructional details
- F15B15/1447—Pistons; Piston to piston rod assemblies
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
- F15B15/20—Other details, e.g. assembly with regulating devices
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/12—Actuating devices; Operating means; Releasing devices actuated by fluid
- F16K31/122—Actuating devices; Operating means; Releasing devices actuated by fluid the fluid acting on a piston
- F16K31/1221—Actuating devices; Operating means; Releasing devices actuated by fluid the fluid acting on a piston one side of the piston being spring-loaded
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/12—Actuating devices; Operating means; Releasing devices actuated by fluid
- F16K31/122—Actuating devices; Operating means; Releasing devices actuated by fluid the fluid acting on a piston
- F16K31/1226—Actuating devices; Operating means; Releasing devices actuated by fluid the fluid acting on a piston the fluid circulating through the piston
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/44—Mechanical actuating means
- F16K31/56—Mechanical actuating means without stable intermediate position, e.g. with snap action
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K47/00—Means in valves for absorbing fluid energy
- F16K47/02—Means in valves for absorbing fluid energy for preventing water-hammer or noise
- F16K47/023—Means in valves for absorbing fluid energy for preventing water-hammer or noise for preventing water-hammer, e.g. damping of the valve movement
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
- F15B15/20—Other details, e.g. assembly with regulating devices
- F15B15/22—Other details, e.g. assembly with regulating devices for accelerating or decelerating the stroke
- F15B15/222—Other details, e.g. assembly with regulating devices for accelerating or decelerating the stroke having a piston with a piston extension or piston recess which throttles the main fluid outlet as the piston approaches its end position
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/12—Improving ICE efficiencies
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Actuator (AREA)
- Control Of Turbines (AREA)
Description
このような既存の油圧サーボアクチュエータ200は、油圧サーボアクチュエータ200の内部に形成されたシリンダチューブ10と、前記シリンダチューブ10の内部に一端部が長手方向に内設されるピストンロッド20と、上述のようにシリンダチューブ10に内設されているピストンロッド20の一端部に形成されるピストンヘッド31からなり、前記シリンダチューブ10に流入される油圧オイルによって、上下動するピストン30と、上昇したピストン30によって圧縮され、元の状態に復帰しながらピストン30を下降させるバネ40と、油圧サーボアクチュエータ200の急速復帰時に油圧オイルを外部に排出する急速排油バルブ50(ダンプバルブ)からなり、図3a及び図3bに示しているように、1000MW級原子力発電所のスチームタービンには、20個のスチームを供給するスチーム供給バルブが装着されていて、500MW級火力発電所には10個のスチーム供給バルブが装着されている。
また、本発明の目的及び長所は、特許請求範囲に記載した手段及び組合によって実現できる。
また、装置又は要素方向(例えば、「前(front)」、「後(back)」、「上(up)」、「下(down)」、「上(top)」、下(bottom))、「左(left)」、「右(right)」、「横(lateral)」などのような用語に関して本明細書で使用した表現及び述語は、単に本発明の説明を単純化するために使用し、関連装置又は要素が単純に特定方向を有するべきであることを示すか或いは意味するのではないことが分かる。
本発明は、上記の目的を達成するために下記の特徴を有する。
従って、本明細書に記載された実施例と図面に示した構成は、本発明の最も望ましい一実施例に過ぎなく、本発明の技術的思想を全て代弁するのではないので、本出願時点において、これらに代替できる多様な均等物と変形例があり得ることを理解すべきである。
Claims (9)
- シリンダチューブと、
前記シリンダチューブ内で長手方向に挿入し往復移動するピストンロッドと、
前記シリンダチューブ内で前記ピストンロッドの一端部の外周縁に備わり、前記ピストンロッドの一端部に向かってテーパー状となり、前記ピストンロッドと前記シリンダチューブの内周面との間の摩擦を減少させる流体動圧軸受と、を含み、
前記流体動圧軸受の外周縁に備わり、前記ピストンロッドの移動をガイドするためのウェアリングをさらに含むタービン制御用スチームバルブの油圧サーボアクチュエータ。 - 前記ウェアリングは、前記流体動圧軸受の両側の外周縁のうち、直径が大きくなる一側の外周縁に備わる請求項1に記載のタービン制御用スチームバルブの油圧サーボアクチュエータ。
- 前記ウェアリングは、前記流体動圧軸受の一側の外周縁に形成される第1円周型の溝に挿入設置される請求項2に記載のタービン制御用スチームバルブの油圧サーボアクチュエータ。
- シリンダチューブと、
前記シリンダチューブ内で長手方向に挿入し往復移動するピストンロッドと、
前記シリンダチューブ内で前記ピストンロッドの一端部の外周縁に備わり、前記ピストンロッドの一端部に向かってテーパー状となり、前記ピストンロッドと前記シリンダチューブの内周面との間の摩擦を減少させる流体動圧軸受と、を含み、
前記流体動圧軸受の外周縁に備わり、前記シリンダチューブ内に流入する油圧作動油の異質物をろ過するバッファリング(buffer ring)をさらに含むタービン制御用スチームバルブの油圧サーボアクチュエータ。 - 前記バッファリングは、前記流体動圧軸受の両側の外周縁のうち、直径が小さくなる他側の外周縁に備わる請求項4に記載のタービン制御用スチームバルブの油圧サーボアクチュエータ。
- 前記バッファリングは、前記流体動圧軸受の他側の外周縁に形成される第2円周型の溝に挿入設置される請求項5に記載のタービン制御用スチームバルブの油圧サーボアクチュエータ。
- 前記バッファリングは、多孔性物質から形成される請求項4に記載のタービン制御用スチームバルブの油圧サーボアクチュエータ。
- 前記流体動圧軸受は、前記シリンダチューブの内周面と前記流体動圧軸受の外周縁との間で油圧作動油が微小流動するように離隔して備わる請求項1または4に記載のタービン制御用スチームバルブの油圧サーボアクチュエータ。
- 前記ピストンロッドには、前記シリンダチューブの内部に位置した一端部の外周縁にテーパー状に形成されたクッション部材が備わる請求項1または4に記載のタービン制御用スチームバルブの油圧サーボアクチュエータ。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR10-2012-0046770 | 2012-05-03 | ||
KR1020120046770A KR101343640B1 (ko) | 2012-05-03 | 2012-05-03 | 유압 다이내믹 베어링을 채용한 원자력 및 화력발전소의 터빈제어용 스팀밸브의 유압서보 액추에이터 |
PCT/KR2013/003801 WO2013165185A1 (ko) | 2012-05-03 | 2013-05-02 | 유압 다이내믹 베어링을 채용한 터빈제어용 스팀밸브의 유압서보 액추에이터 |
Publications (2)
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JP2014521026A JP2014521026A (ja) | 2014-08-25 |
JP5728132B2 true JP5728132B2 (ja) | 2015-06-03 |
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JP2014518837A Active JP5728132B2 (ja) | 2012-05-03 | 2013-05-02 | 流体動圧軸受を用いるタービン制御用スチームバルブの油圧サーボアクチュエータ |
Country Status (3)
Country | Link |
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JP (1) | JP5728132B2 (ja) |
KR (1) | KR101343640B1 (ja) |
WO (1) | WO2013165185A1 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP3282132A1 (en) * | 2016-08-08 | 2018-02-14 | Goodrich Actuation Systems Limited | Coupling |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
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CN105794036B (zh) * | 2013-12-11 | 2018-08-28 | 日产自动车株式会社 | 二次电池的排气孔形成工艺及排气孔形成装置 |
KR101663799B1 (ko) | 2014-05-26 | 2016-10-07 | 주식회사 에네스지 | 공기 배출 밸브를 갖는 전기 유압 액추에이터 |
KR101630702B1 (ko) * | 2014-09-19 | 2016-06-15 | 주식회사 포스코건설 | 연속 주조용 오실레이터의 완충장치 |
CN105090167B (zh) * | 2015-08-24 | 2018-01-05 | 航天长征化学工程股份有限公司 | 一种快速排气的缓冲机构 |
JP6581499B2 (ja) * | 2015-12-25 | 2019-09-25 | 株式会社東芝 | 蒸気弁駆動装置 |
KR102308422B1 (ko) * | 2019-11-29 | 2021-10-07 | 한국철도기술연구원 | 고무차륜형식 경량전철용 주행장치 |
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JPS5270269U (ja) * | 1975-11-19 | 1977-05-25 | ||
JPS6267322A (ja) * | 1985-09-19 | 1987-03-27 | Yaskawa Electric Mfg Co Ltd | 往復運動用軸受 |
JPH02107803A (ja) * | 1988-10-18 | 1990-04-19 | Mitsubishi Precision Co Ltd | 油圧シリンダ |
JPH02127802U (ja) * | 1989-03-29 | 1990-10-22 | ||
JP2853311B2 (ja) * | 1989-12-12 | 1999-02-03 | 日本精工株式会社 | 動圧みぞ付軸受及びその製造方法 |
JPH04366005A (ja) * | 1991-06-12 | 1992-12-17 | A T Shii Kk | 流体圧アクチュエータとそれを用いた旋回割出装置 |
JPH06109006A (ja) * | 1992-05-26 | 1994-04-19 | Fuji Electric Co Ltd | 油圧式アクチュエータ |
JPH09177670A (ja) * | 1995-12-27 | 1997-07-11 | Toyota Autom Loom Works Ltd | ピストン式圧縮機 |
JP2000337314A (ja) * | 1999-05-27 | 2000-12-05 | Hitachi Constr Mach Co Ltd | 油圧シリンダのクッション装置 |
JP4002702B2 (ja) * | 1999-09-21 | 2007-11-07 | シーケーディ株式会社 | 流体圧アクチュエータ |
KR20050100302A (ko) * | 2004-04-13 | 2005-10-18 | 한국에스엠씨공압(주) | 엑츄에이터의 실린더 |
KR101100910B1 (ko) * | 2008-12-03 | 2012-01-02 | 이형훈 | 유체압 실린더 |
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2012
- 2012-05-03 KR KR1020120046770A patent/KR101343640B1/ko active IP Right Grant
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2013
- 2013-05-02 WO PCT/KR2013/003801 patent/WO2013165185A1/ko active Application Filing
- 2013-05-02 JP JP2014518837A patent/JP5728132B2/ja active Active
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP3282132A1 (en) * | 2016-08-08 | 2018-02-14 | Goodrich Actuation Systems Limited | Coupling |
US10774787B2 (en) | 2016-08-08 | 2020-09-15 | Goodrich Actuation Systems Limited | Coupling |
Also Published As
Publication number | Publication date |
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WO2013165185A1 (ko) | 2013-11-07 |
KR20130123559A (ko) | 2013-11-13 |
JP2014521026A (ja) | 2014-08-25 |
KR101343640B1 (ko) | 2013-12-20 |
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