KR20060050297A - 스팀 터빈 블레이드와 스팀 터빈 로터 휠 및 그 상의블레이드 열의 공력 탄성적 반응을 억제하는 방법 - Google Patents
스팀 터빈 블레이드와 스팀 터빈 로터 휠 및 그 상의블레이드 열의 공력 탄성적 반응을 억제하는 방법 Download PDFInfo
- Publication number
- KR20060050297A KR20060050297A KR1020050072168A KR20050072168A KR20060050297A KR 20060050297 A KR20060050297 A KR 20060050297A KR 1020050072168 A KR1020050072168 A KR 1020050072168A KR 20050072168 A KR20050072168 A KR 20050072168A KR 20060050297 A KR20060050297 A KR 20060050297A
- Authority
- KR
- South Korea
- Prior art keywords
- blades
- steam turbine
- blade
- filled
- group
- 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.)
- Ceased
Links
- 230000004044 response Effects 0.000 title claims description 7
- 239000000463 material Substances 0.000 claims abstract description 72
- 229920000642 polymer Polymers 0.000 claims abstract description 42
- 239000000945 filler Substances 0.000 claims description 22
- 238000000034 method Methods 0.000 claims description 16
- JOYRKODLDBILNP-UHFFFAOYSA-N Ethyl urethane Chemical compound CCOC(N)=O JOYRKODLDBILNP-UHFFFAOYSA-N 0.000 claims description 6
- 230000004043 responsiveness Effects 0.000 claims description 2
- 239000003351 stiffener Substances 0.000 claims 1
- 238000013016 damping Methods 0.000 abstract description 22
- 230000008859 change Effects 0.000 description 6
- 229910052751 metal Inorganic materials 0.000 description 4
- 239000002184 metal Substances 0.000 description 4
- 230000007797 corrosion Effects 0.000 description 3
- 238000005260 corrosion Methods 0.000 description 3
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- 230000002411 adverse Effects 0.000 description 2
- 230000002238 attenuated effect Effects 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- 238000004026 adhesive bonding Methods 0.000 description 1
- 239000002313 adhesive film Substances 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 229910017052 cobalt Inorganic materials 0.000 description 1
- 239000010941 cobalt Substances 0.000 description 1
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000000593 degrading effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000011888 foil Substances 0.000 description 1
- 230000004927 fusion Effects 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 230000002401 inhibitory effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 229920002959 polymer blend Polymers 0.000 description 1
- 229920001296 polysiloxane Polymers 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000002829 reductive effect Effects 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 229920005573 silicon-containing polymer Polymers 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000010936 titanium Substances 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
Images
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
- F01D5/00—Blades; Blade-carrying members; Heating, heat-insulating, cooling or antivibration means on the blades or the members
- F01D5/12—Blades
- F01D5/14—Form or construction
-
- 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
- F01D5/00—Blades; Blade-carrying members; Heating, heat-insulating, cooling or antivibration means on the blades or the members
- F01D5/12—Blades
- F01D5/14—Form or construction
- F01D5/147—Construction, i.e. structural features, e.g. of weight-saving hollow blades
-
- 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
- F01D5/00—Blades; Blade-carrying members; Heating, heat-insulating, cooling or antivibration means on the blades or the members
- F01D5/12—Blades
-
- 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
- F01D5/00—Blades; Blade-carrying members; Heating, heat-insulating, cooling or antivibration means on the blades or the members
- F01D5/12—Blades
- F01D5/14—Form or construction
- F01D5/16—Form or construction for counteracting blade vibration
-
- 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
- F05D2260/00—Function
- F05D2260/96—Preventing, counteracting or reducing vibration or noise
- F05D2260/961—Preventing, counteracting or reducing vibration or noise by mistuning rotor blades or stator vanes with irregular interblade spacing, airfoil shape
-
- 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
- F05D2300/00—Materials; Properties thereof
- F05D2300/40—Organic materials
- F05D2300/43—Synthetic polymers, e.g. plastics; Rubber
-
- 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
- Y02T50/00—Aeronautics or air transport
- Y02T50/60—Efficient propulsion technologies, e.g. for aircraft
-
- 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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S416/00—Fluid reaction surfaces, i.e. impellers
- Y10S416/50—Vibration damping features
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Architecture (AREA)
- Turbine Rotor Nozzle Sealing (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US10/913,407 | 2004-08-09 | ||
| US10/913,407 US7147437B2 (en) | 2004-08-09 | 2004-08-09 | Mixed tuned hybrid blade related method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| KR20060050297A true KR20060050297A (ko) | 2006-05-19 |
Family
ID=34941842
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1020050072168A Ceased KR20060050297A (ko) | 2004-08-09 | 2005-08-08 | 스팀 터빈 블레이드와 스팀 터빈 로터 휠 및 그 상의블레이드 열의 공력 탄성적 반응을 억제하는 방법 |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US7147437B2 (https=) |
| EP (1) | EP1626161B1 (https=) |
| JP (1) | JP2006052732A (https=) |
| KR (1) | KR20060050297A (https=) |
| CN (1) | CN1734062B (https=) |
| DE (1) | DE602005006483D1 (https=) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10215029B2 (en) | 2016-01-27 | 2019-02-26 | Hanwha Power Systems Co., Ltd. | Blade assembly |
| KR20220025033A (ko) * | 2019-06-28 | 2022-03-03 | 지멘스 에너지 글로벌 게엠베하 운트 코. 카게 | 모달 주파수 응답 튜닝을 포함하는 터빈 에어포일 |
Families Citing this family (35)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20070036658A1 (en) * | 2005-08-09 | 2007-02-15 | Morris Robert J | Tunable gas turbine engine fan assembly |
| US7507073B2 (en) * | 2006-02-24 | 2009-03-24 | General Electric Company | Methods and apparatus for assembling a steam turbine bucket |
| US7766625B2 (en) * | 2006-03-31 | 2010-08-03 | General Electric Company | Methods and apparatus for reducing stress in turbine buckets |
| US20070292265A1 (en) * | 2006-06-14 | 2007-12-20 | General Electric Company | System design and cooling method for LP steam turbines using last stage hybrid bucket |
| US7429165B2 (en) * | 2006-06-14 | 2008-09-30 | General Electric Company | Hybrid blade for a steam turbine |
| EP1985803A1 (de) * | 2007-04-23 | 2008-10-29 | Siemens Aktiengesellschaft | Verfahren zum Herstellen von beschichteten Turbinenlaufschaufeln |
| US7887299B2 (en) * | 2007-06-07 | 2011-02-15 | Honeywell International Inc. | Rotary body for turbo machinery with mistuned blades |
| GB2450936B (en) * | 2007-07-13 | 2010-01-20 | Rolls Royce Plc | Bladed rotor balancing |
| GB2450937B (en) * | 2007-07-13 | 2009-06-03 | Rolls Royce Plc | Component with tuned frequency response |
| US8100641B2 (en) * | 2008-09-09 | 2012-01-24 | General Electric Company | Steam turbine having stage with buckets of different materials |
| US8043063B2 (en) * | 2009-03-26 | 2011-10-25 | Pratt & Whitney Canada Corp. | Intentionally mistuned integrally bladed rotor |
| US8419370B2 (en) * | 2009-06-25 | 2013-04-16 | Rolls-Royce Corporation | Retaining and sealing ring assembly |
| US8469670B2 (en) * | 2009-08-27 | 2013-06-25 | Rolls-Royce Corporation | Fan assembly |
| US8435006B2 (en) * | 2009-09-30 | 2013-05-07 | Rolls-Royce Corporation | Fan |
| FR2956875B1 (fr) * | 2010-02-26 | 2012-09-21 | Snecma | Aube allegee pour turbomachine, carter comportant une pluralite d'une telle aube et turbomachine comportant au moins un tel carter |
| US8726725B2 (en) | 2011-03-08 | 2014-05-20 | Schlumberger Technology Corporation | Apparatus, system and method for determining at least one downhole parameter of a wellsite |
| US9297277B2 (en) | 2011-09-30 | 2016-03-29 | General Electric Company | Power plant |
| US8763360B2 (en) | 2011-11-03 | 2014-07-01 | United Technologies Corporation | Hollow fan blade tuning using distinct filler materials |
| US9097125B2 (en) * | 2012-08-17 | 2015-08-04 | Mapna Group | Intentionally frequency mistuned turbine blades |
| EP2900923B1 (en) * | 2012-09-25 | 2019-12-25 | United Technologies Corporation | Airfoil array with vanes that differ in geometry according to geometry classes |
| ES2546992T3 (es) * | 2012-10-24 | 2015-09-30 | MTU Aero Engines AG | Método para desintonizar los álabes de un motor de turbina de gas |
| EP2942481B1 (en) * | 2014-05-07 | 2019-03-27 | Rolls-Royce Corporation | Rotor for a gas turbine engine |
| CN104675443A (zh) * | 2014-12-15 | 2015-06-03 | 中国燃气涡轮研究院 | 一种涡轮整体叶盘固有频率调整方法 |
| US10641281B2 (en) | 2016-08-08 | 2020-05-05 | United Technologies Corporation | Mistuned laminate airfoil |
| US10837287B2 (en) * | 2017-01-20 | 2020-11-17 | Pratt & Whitney Canada Corp. | Mistuned bladed rotor and associated manufacturing method |
| JP6745235B2 (ja) * | 2017-03-10 | 2020-08-26 | 三菱日立パワーシステムズ株式会社 | ロータ及びこのロータを備える回転機械 |
| US10954804B2 (en) * | 2017-07-05 | 2021-03-23 | Raytheon Technologies Corporation | Rotary machines including a hybrid rotor with hollow and solid rotor blade sets |
| WO2019087281A1 (ja) * | 2017-10-31 | 2019-05-09 | 三菱重工エンジン&ターボチャージャ株式会社 | タービン動翼、ターボチャージャ及びタービン動翼の製造方法 |
| US10731471B2 (en) * | 2018-12-28 | 2020-08-04 | General Electric Company | Hybrid rotor blades for turbine engines |
| US11220913B2 (en) * | 2019-10-23 | 2022-01-11 | Rolls-Royce Corporation | Gas turbine engine blades with airfoil plugs for selected tuning |
| US11255199B2 (en) | 2020-05-20 | 2022-02-22 | Rolls-Royce Corporation | Airfoil with shaped mass reduction pocket |
| US11767765B2 (en) * | 2021-09-28 | 2023-09-26 | General Electric Company | Glass viscous damper |
| US11746659B2 (en) | 2021-12-23 | 2023-09-05 | Rolls-Royce North American Technologies Inc. | Fan blade with internal shear-thickening fluid damping |
| US11560801B1 (en) | 2021-12-23 | 2023-01-24 | Rolls-Royce North American Technologies Inc. | Fan blade with internal magnetorheological fluid damping |
| US12043368B2 (en) * | 2022-03-23 | 2024-07-23 | General Electric Company | Rotating airfoil assembly |
Family Cites Families (23)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4956008A (https=) * | 1973-06-19 | 1974-05-30 | ||
| JPS5338723Y2 (https=) * | 1975-01-31 | 1978-09-20 | ||
| US4097192A (en) * | 1977-01-06 | 1978-06-27 | Curtiss-Wright Corporation | Turbine rotor and blade configuration |
| JPS57140501A (en) * | 1981-02-23 | 1982-08-31 | Mitsubishi Heavy Ind Ltd | Rotary blade |
| JPS57143103A (en) * | 1981-02-27 | 1982-09-04 | Mitsubishi Heavy Ind Ltd | Vibration damper for rotor vane |
| JPS6441603A (en) * | 1987-08-04 | 1989-02-13 | Sumitomo Heavy Industries | Optimum arranging method for turbine blade on disc by computer simulation |
| US5286168A (en) * | 1992-01-31 | 1994-02-15 | Westinghouse Electric Corp. | Freestanding mixed tuned blade |
| FR2688264A1 (fr) * | 1992-03-04 | 1993-09-10 | Snecma | Redresseur de turbomachine a aubes ayant une face alveolee chargee en materiau composite. |
| US5524341A (en) * | 1994-09-26 | 1996-06-11 | Westinghouse Electric Corporation | Method of making a row of mix-tuned turbomachine blades |
| US5720597A (en) * | 1996-01-29 | 1998-02-24 | General Electric Company | Multi-component blade for a gas turbine |
| JPH1054204A (ja) * | 1996-05-20 | 1998-02-24 | General Electric Co <Ge> | ガスタービン用の多構成部翼 |
| JPH1047004A (ja) * | 1996-07-30 | 1998-02-17 | Mitsubishi Heavy Ind Ltd | 回転流体機械の動翼 |
| US5820348A (en) * | 1996-09-17 | 1998-10-13 | Fricke; J. Robert | Damping system for vibrating members |
| US5931641A (en) * | 1997-04-25 | 1999-08-03 | General Electric Company | Steam turbine blade having areas of different densities |
| US5947688A (en) * | 1997-12-22 | 1999-09-07 | General Electric Company | Frequency tuned hybrid blade |
| US6039542A (en) * | 1997-12-24 | 2000-03-21 | General Electric Company | Panel damped hybrid blade |
| US6042338A (en) * | 1998-04-08 | 2000-03-28 | Alliedsignal Inc. | Detuned fan blade apparatus and method |
| US6033186A (en) * | 1999-04-16 | 2000-03-07 | General Electric Company | Frequency tuned hybrid blade |
| US6287080B1 (en) * | 1999-11-15 | 2001-09-11 | General Electric Company | Elastomeric formulation used in the construction of lightweight aircraft engine fan blades |
| US6364616B1 (en) | 2000-05-05 | 2002-04-02 | General Electric Company | Submerged rib hybrid blade |
| US6471482B2 (en) * | 2000-11-30 | 2002-10-29 | United Technologies Corporation | Frequency-mistuned light-weight turbomachinery blade rows for increased flutter stability |
| US6428278B1 (en) * | 2000-12-04 | 2002-08-06 | United Technologies Corporation | Mistuned rotor blade array for passive flutter control |
| US6854959B2 (en) * | 2003-04-16 | 2005-02-15 | General Electric Company | Mixed tuned hybrid bucket and related method |
-
2004
- 2004-08-09 US US10/913,407 patent/US7147437B2/en not_active Expired - Fee Related
-
2005
- 2005-07-25 DE DE602005006483T patent/DE602005006483D1/de not_active Expired - Lifetime
- 2005-07-25 EP EP05254608A patent/EP1626161B1/en not_active Expired - Lifetime
- 2005-08-08 KR KR1020050072168A patent/KR20060050297A/ko not_active Ceased
- 2005-08-08 JP JP2005229006A patent/JP2006052732A/ja active Pending
- 2005-08-09 CN CN2005100897802A patent/CN1734062B/zh not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10215029B2 (en) | 2016-01-27 | 2019-02-26 | Hanwha Power Systems Co., Ltd. | Blade assembly |
| KR20220025033A (ko) * | 2019-06-28 | 2022-03-03 | 지멘스 에너지 글로벌 게엠베하 운트 코. 카게 | 모달 주파수 응답 튜닝을 포함하는 터빈 에어포일 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1734062A (zh) | 2006-02-15 |
| CN1734062B (zh) | 2010-09-08 |
| EP1626161B1 (en) | 2008-05-07 |
| US7147437B2 (en) | 2006-12-12 |
| EP1626161A1 (en) | 2006-02-15 |
| DE602005006483D1 (de) | 2008-06-19 |
| JP2006052732A (ja) | 2006-02-23 |
| US20060029501A1 (en) | 2006-02-09 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| KR20060050297A (ko) | 스팀 터빈 블레이드와 스팀 터빈 로터 휠 및 그 상의블레이드 열의 공력 탄성적 반응을 억제하는 방법 | |
| KR101338835B1 (ko) | 증기 터빈용 혼성 블레이드 | |
| US20040208741A1 (en) | Mixed tuned hybrid bucket and related method | |
| EP1205633B1 (en) | Array of flow directing elements | |
| JP5322398B2 (ja) | タービンバケット内の応力を低減するための方法及びタービンブレード | |
| US8226367B2 (en) | Movable impeller for a turbojet and turbojet comprising same | |
| JP3832987B2 (ja) | ガスタービンエンジンのファンブレード | |
| CN101294501B (zh) | 用于涡轮机叶片的阻尼器 | |
| EP1074762B1 (en) | Rotor assembly with an apparatus for rotor damping | |
| CN101089370A (zh) | 使用末级混合叶片的低压汽轮机的系统设计和冷却方法 | |
| US9028219B2 (en) | Turbomachine blade | |
| JP5543032B2 (ja) | ブレード配列、及び当該ブレード配列を具備するガスタービン | |
| US7104760B2 (en) | Hybrid bucket and related method of pocket design | |
| US7360997B2 (en) | Vibration damper coating | |
| EP3880936B1 (en) | Bladed rotor system and method of servicing a bladed rotor system | |
| EP1980715A1 (en) | Damping of vibrations in blades and guide vanes with grains | |
| US12006841B2 (en) | Hybridization of the fibers of the fibrous reinforcement of a fan blade with elastic fibers | |
| KR20060048114A (ko) | 스팀 터빈 로터 휠 조립체의 블레이드 제조 방법, 터빈블레이드 및 스팀 터빈 로터 휠 | |
| SE463500B (sv) | Cirkelsaag |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PA0109 | Patent application |
Patent event code: PA01091R01D Comment text: Patent Application Patent event date: 20050808 |
|
| PG1501 | Laying open of application | ||
| A201 | Request for examination | ||
| PA0201 | Request for examination |
Patent event code: PA02012R01D Patent event date: 20100803 Comment text: Request for Examination of Application Patent event code: PA02011R01I Patent event date: 20050808 Comment text: Patent Application |
|
| E902 | Notification of reason for refusal | ||
| PE0902 | Notice of grounds for rejection |
Comment text: Notification of reason for refusal Patent event date: 20120611 Patent event code: PE09021S01D |
|
| E601 | Decision to refuse application | ||
| PE0601 | Decision on rejection of patent |
Patent event date: 20120824 Comment text: Decision to Refuse Application Patent event code: PE06012S01D Patent event date: 20120611 Comment text: Notification of reason for refusal Patent event code: PE06011S01I |