JP2008008291A - タービンの望ましくない運転を検出するためのシステム及び方法 - Google Patents

タービンの望ましくない運転を検出するためのシステム及び方法 Download PDF

Info

Publication number
JP2008008291A
JP2008008291A JP2007163246A JP2007163246A JP2008008291A JP 2008008291 A JP2008008291 A JP 2008008291A JP 2007163246 A JP2007163246 A JP 2007163246A JP 2007163246 A JP2007163246 A JP 2007163246A JP 2008008291 A JP2008008291 A JP 2008008291A
Authority
JP
Japan
Prior art keywords
pressure
turbine
steam
bowl
pressure turbine
Prior art date
Legal status (The legal status 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 status listed.)
Pending
Application number
JP2007163246A
Other languages
English (en)
Japanese (ja)
Other versions
JP2008008291A5 (https=
Inventor
Nicholas A Tisenchek
ニコラス・エイ・ティセンチェク
Edward Arthur Dewhurst
エドワード・アーサー・デューハースト
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
General Electric Co
Original Assignee
General Electric Co
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 General Electric Co filed Critical General Electric Co
Publication of JP2008008291A publication Critical patent/JP2008008291A/ja
Publication of JP2008008291A5 publication Critical patent/JP2008008291A5/ja
Pending legal-status Critical Current

Links

Classifications

    • 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
    • F01D17/02—Arrangement of sensing elements
    • F01D17/08—Arrangement of sensing elements responsive to condition of working-fluid, e.g. pressure
    • 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
    • F01D21/00—Shutting-down of machines or engines, e.g. in emergency; Regulating, controlling, or safety means not otherwise provided for
    • F01D21/14—Shutting-down of machines or engines, e.g. in emergency; Regulating, controlling, or safety means not otherwise provided for responsive to other specific conditions
    • 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
    • F01D17/02—Arrangement of sensing elements
    • F01D17/08—Arrangement of sensing elements responsive to condition of working-fluid, e.g. pressure
    • F01D17/085—Arrangement of sensing elements responsive to condition of working-fluid, e.g. pressure to temperature
    • 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
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
    • F01D21/00—Shutting-down of machines or engines, e.g. in emergency; Regulating, controlling, or safety means not otherwise provided for
    • 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
    • F01D21/00—Shutting-down of machines or engines, e.g. in emergency; Regulating, controlling, or safety means not otherwise provided for
    • F01D21/003—Arrangements for testing or measuring
    • 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
    • F01D3/00—Machines or engines with axial-thrust balancing effected by working-fluid
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
    • F05D2220/00—Application
    • F05D2220/30—Application in turbines
    • F05D2220/31—Application in turbines in steam turbines
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
    • F05D2270/00—Control
    • F05D2270/01—Purpose of the control system
    • F05D2270/11—Purpose of the control system to prolong engine life
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
    • F05D2270/00—Control
    • F05D2270/01—Purpose of the control system
    • F05D2270/11—Purpose of the control system to prolong engine life
    • F05D2270/112—Purpose of the control system to prolong engine life by limiting temperatures
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
    • F05D2270/00—Control
    • F05D2270/01—Purpose of the control system
    • F05D2270/11—Purpose of the control system to prolong engine life
    • F05D2270/114—Purpose of the control system to prolong engine life by limiting mechanical stresses
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
    • F05D2270/00—Control
    • F05D2270/01—Purpose of the control system
    • F05D2270/16—Purpose of the control system to control water or steam injection
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
    • F05D2270/00—Control
    • F05D2270/30—Control parameters, e.g. input parameters
    • F05D2270/301—Pressure
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
    • F05D2270/00—Control
    • F05D2270/30—Control parameters, e.g. input parameters
    • F05D2270/303—Temperature
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
    • F05D2270/00—Control
    • F05D2270/30—Control parameters, e.g. input parameters
    • F05D2270/303—Temperature
    • F05D2270/3032—Temperature excessive temperatures, e.g. caused by overheating

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Control Of Turbines (AREA)
JP2007163246A 2006-06-29 2007-06-21 タービンの望ましくない運転を検出するためのシステム及び方法 Pending JP2008008291A (ja)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US11/427,507 US7632059B2 (en) 2006-06-29 2006-06-29 Systems and methods for detecting undesirable operation of a turbine

Publications (2)

Publication Number Publication Date
JP2008008291A true JP2008008291A (ja) 2008-01-17
JP2008008291A5 JP2008008291A5 (https=) 2011-07-28

Family

ID=38777192

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2007163246A Pending JP2008008291A (ja) 2006-06-29 2007-06-21 タービンの望ましくない運転を検出するためのシステム及び方法

Country Status (5)

Country Link
US (1) US7632059B2 (https=)
JP (1) JP2008008291A (https=)
KR (1) KR20080001662A (https=)
CN (1) CN101096916B (https=)
DE (1) DE102007029573A1 (https=)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2015187448A (ja) * 2015-07-27 2015-10-29 三菱重工業株式会社 舶用主機蒸気タービン設備およびそれを備えた船舶
JP2018091224A (ja) * 2016-12-02 2018-06-14 三菱日立パワーシステムズ株式会社 制御システム、蒸気タービン、発電プラント及び制御方法
WO2023100457A1 (ja) * 2021-11-30 2023-06-08 三菱重工業株式会社 制御装置、制御方法およびシステム

Families Citing this family (27)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8197182B2 (en) * 2008-12-23 2012-06-12 General Electric Company Opposed flow high pressure-low pressure steam turbine
US9354618B2 (en) 2009-05-08 2016-05-31 Gas Turbine Efficiency Sweden Ab Automated tuning of multiple fuel gas turbine combustion systems
US8437941B2 (en) 2009-05-08 2013-05-07 Gas Turbine Efficiency Sweden Ab Automated tuning of gas turbine combustion systems
US9267443B2 (en) 2009-05-08 2016-02-23 Gas Turbine Efficiency Sweden Ab Automated tuning of gas turbine combustion systems
US9671797B2 (en) 2009-05-08 2017-06-06 Gas Turbine Efficiency Sweden Ab Optimization of gas turbine combustion systems low load performance on simple cycle and heat recovery steam generator applications
JP5517785B2 (ja) * 2010-06-30 2014-06-11 三菱重工業株式会社 蒸気タービンおよび蒸気タービンのスラスト調整方法
US8662820B2 (en) 2010-12-16 2014-03-04 General Electric Company Method for shutting down a turbomachine
US9080466B2 (en) 2010-12-16 2015-07-14 General Electric Company Method and system for controlling a valve of a turbomachine
US20120151918A1 (en) * 2010-12-16 2012-06-21 General Electric Company Method for operating a turbomachine during a loading process
US8857184B2 (en) 2010-12-16 2014-10-14 General Electric Company Method for starting a turbomachine
US20140161612A1 (en) * 2012-12-07 2014-06-12 General Electric Company Tip shroud monitoring system, method, and controller
WO2015043914A1 (de) * 2013-09-30 2015-04-02 Siemens Aktiengesellschaft Verfahren zum betreiben einer strömungsmaschine mit überlastschutz und strömungsmaschine mit einer vorrichtung zur durchführung des verfahrens
US20150227875A1 (en) * 2014-02-07 2015-08-13 General Electric Company Systems and Methods to Determine Competitiveness of a Long Term Service Agreement
EP2987952A1 (de) 2014-08-20 2016-02-24 Siemens Aktiengesellschaft Dampfturbine und Verfahren zum Betrieb einer Dampfturbine
KR101712723B1 (ko) * 2015-03-25 2017-03-07 한국기계연구원 압축공기를 이용하는 추력 조절 및 베어링 냉각 장치
US10495545B2 (en) * 2015-10-22 2019-12-03 General Electric Company Systems and methods for determining risk of operating a turbomachine
US10544700B2 (en) * 2016-08-31 2020-01-28 General Electric Technology Gmbh Advanced startup counter module for a valve and actuator monitoring system
US10871081B2 (en) * 2016-08-31 2020-12-22 General Electric Technology Gmbh Creep damage indicator module for a valve and actuator monitoring system
CN108072738B (zh) * 2016-11-14 2023-09-12 华北电力大学（保定） 一种汽轮机末级湿度检测装置及汽轮机
US10871072B2 (en) * 2017-05-01 2020-12-22 General Electric Company Systems and methods for dynamic balancing of steam turbine rotor thrust
US20190186269A1 (en) * 2017-12-14 2019-06-20 Rolls-Royce Corporation Modulated Cooling Air Control System and Method for a Turbine Engine
CN110645057B (zh) * 2019-09-29 2022-06-10 大唐东营发电有限公司 一种基于发电厂汽轮机调门用的监控设备
KR102260295B1 (ko) 2020-08-31 2021-06-03 주식회사 에스피파워 Pcb 패턴 연계형 서지전압 보호회로를 구비한 led 모듈 전원공급용 컨버터
KR102260291B1 (ko) 2020-08-31 2021-06-03 주식회사 에스피파워 서지전압 보호기능이 강화된 led 모듈 전원공급용 컨버터
KR102260289B1 (ko) 2020-08-31 2021-06-03 주식회사 에스피파워 서지전압 보호회로를 구비한 led 모듈 전원공급용 컨버터
KR102325117B1 (ko) 2021-01-12 2021-11-11 주식회사 에스피파워 역률이 향상된 led 모듈 전원공급용 컨버터
KR102340887B1 (ko) 2021-03-31 2021-12-21 (주)문화전기 불량발생 led 소자에 의한 열화저감과 수명연장이 가능한 led 조명

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01163408A (ja) * 1987-12-17 1989-06-27 Sumitomo Metal Ind Ltd 蒸気タービンの運転制御方法
JPH01216218A (ja) * 1988-02-25 1989-08-30 Toshiba Corp 軸振動異常診断装置
JPH02196101A (ja) * 1989-01-25 1990-08-02 Fuji Electric Co Ltd 蒸気タービンのスラスト低減装置
JPH06264704A (ja) * 1993-03-10 1994-09-20 Toshiba Corp 回転機械の振動診断装置
JPH08189302A (ja) * 1995-01-06 1996-07-23 Mitsubishi Heavy Ind Ltd スラスト自動調整装置
JP2002155708A (ja) * 2000-11-17 2002-05-31 Toshiba Corp 発電プラントのガイダンス提供システムおよび方法
JP2003535251A (ja) * 2000-05-31 2003-11-25 シーメンス アクチエンゲゼルシヤフト 多段蒸気タービンの無負荷又は軽負荷運転時の運転方法と装置
US20040101395A1 (en) * 2002-11-27 2004-05-27 Wei Tong System to control axial thrust loads for steam turbines
JP2005337253A (ja) * 2004-05-27 2005-12-08 General Electric Co <Ge> 蒸気タービンを制御するためのシステム及び方法

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6024283B2 (ja) * 1978-08-31 1985-06-12 株式会社東芝 蒸気タービンの内部異常診断装置
DK1365110T3 (da) * 2002-05-22 2009-04-20 Siemens Ag Fremgangsmåde og apparat til drift af et dampkraftanlæg, især i dellastområdet

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01163408A (ja) * 1987-12-17 1989-06-27 Sumitomo Metal Ind Ltd 蒸気タービンの運転制御方法
JPH01216218A (ja) * 1988-02-25 1989-08-30 Toshiba Corp 軸振動異常診断装置
JPH02196101A (ja) * 1989-01-25 1990-08-02 Fuji Electric Co Ltd 蒸気タービンのスラスト低減装置
JPH06264704A (ja) * 1993-03-10 1994-09-20 Toshiba Corp 回転機械の振動診断装置
JPH08189302A (ja) * 1995-01-06 1996-07-23 Mitsubishi Heavy Ind Ltd スラスト自動調整装置
JP2003535251A (ja) * 2000-05-31 2003-11-25 シーメンス アクチエンゲゼルシヤフト 多段蒸気タービンの無負荷又は軽負荷運転時の運転方法と装置
JP2002155708A (ja) * 2000-11-17 2002-05-31 Toshiba Corp 発電プラントのガイダンス提供システムおよび方法
US20040101395A1 (en) * 2002-11-27 2004-05-27 Wei Tong System to control axial thrust loads for steam turbines
JP2005337253A (ja) * 2004-05-27 2005-12-08 General Electric Co <Ge> 蒸気タービンを制御するためのシステム及び方法

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2015187448A (ja) * 2015-07-27 2015-10-29 三菱重工業株式会社 舶用主機蒸気タービン設備およびそれを備えた船舶
JP2018091224A (ja) * 2016-12-02 2018-06-14 三菱日立パワーシステムズ株式会社 制御システム、蒸気タービン、発電プラント及び制御方法
WO2023100457A1 (ja) * 2021-11-30 2023-06-08 三菱重工業株式会社 制御装置、制御方法およびシステム
JPWO2023100457A1 (https=) * 2021-11-30 2023-06-08
JP7599585B2 (ja) 2021-11-30 2024-12-13 三菱重工業株式会社 制御装置、制御方法およびシステム
US12366174B2 (en) 2021-11-30 2025-07-22 Mitsubishi Heavy Industries, Ltd. Control device, control method, and system

Also Published As

Publication number Publication date
CN101096916B (zh) 2012-08-22
CN101096916A (zh) 2008-01-02
KR20080001662A (ko) 2008-01-03
US7632059B2 (en) 2009-12-15
DE102007029573A1 (de) 2008-01-03
US20080003095A1 (en) 2008-01-03

Similar Documents

Publication Publication Date Title
JP2008008291A (ja) タービンの望ましくない運転を検出するためのシステム及び方法
CN100504689C (zh) 检测连续过程中的系统部件的故障
CN101776258B (zh) 用于控制容器中的液位的系统和方法
US8342794B2 (en) Stall and surge detection system and method
JP3205562B2 (ja) ダイナミックコンプレッサーのためのサージ再発防止制御システム
EP1826364B1 (en) Method for determining limit exceedance
JP2008008291A5 (https=)
US20080243287A1 (en) Methods and Apparatuses for Monitoring Steam Turbine Valve Assemblies
EP3507464B1 (en) Tightness test evaluation module for a valve and actuator monitoring system
US11613985B2 (en) Well alarms and event detection
CN109959465A (zh) 电机温度预警保护方法、计算机设备及可读存储介质
JP2019185468A (ja) 異常予測制御システム
WO2014128132A1 (en) Monitoring system and method
JP5404699B2 (ja) ガスタービンの定常状態条件を判定するためのシステム、方法、及び装置
JPH08220279A (ja) プラント制御装置、その異常同定方法および異常同定装置
JP7646392B2 (ja) 弁動作異常検知システム、弁動作異常検知方法およびプログラム
JPH05225474A (ja) プラント機器の異常診断方法と装置
JP6781613B2 (ja) 制御システム、蒸気タービン、発電プラント及び制御方法
JP7709928B2 (ja) 機器の監視診断装置及びその監視診断方法並びに機器の監視診断システム
CN119778653B (zh) 一种蒸汽安全排放控制方法
CN115306689B (zh) 基于电流差的多泵并联系统性能分散性抑制方法及装置
JPH06159008A (ja) 蒸気タービン強制冷却装置の監視・保護および性能管理装置
JP2010281238A (ja) タービン監視制御装置
CN110967583B (zh) 一种拍打门故障预判方法、装置、设备及存储介质
EP4050441A1 (en) Method and system for monitoring operation of a process plant

Legal Events

Date Code Title Description
A521 Written amendment

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20100614

A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20100614

RD04 Notification of resignation of power of attorney

Free format text: JAPANESE INTERMEDIATE CODE: A7424

Effective date: 20100614

A521 Written amendment

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20110607

RD02 Notification of acceptance of power of attorney

Free format text: JAPANESE INTERMEDIATE CODE: A7422

Effective date: 20110607

RD04 Notification of resignation of power of attorney

Free format text: JAPANESE INTERMEDIATE CODE: A7424

Effective date: 20110614

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20111004

A601 Written request for extension of time

Free format text: JAPANESE INTERMEDIATE CODE: A601

Effective date: 20111226

A602 Written permission of extension of time

Free format text: JAPANESE INTERMEDIATE CODE: A602

Effective date: 20120104

A521 Written amendment

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20120403

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20120911

A601 Written request for extension of time

Free format text: JAPANESE INTERMEDIATE CODE: A601

Effective date: 20121210

A602 Written permission of extension of time

Free format text: JAPANESE INTERMEDIATE CODE: A602

Effective date: 20121213

A521 Written amendment

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20130308

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20130326

A02 Decision of refusal

Free format text: JAPANESE INTERMEDIATE CODE: A02

Effective date: 20130820