JP2016500422A - 軸方向分割形ターボ機械の密閉構造 - Google Patents
軸方向分割形ターボ機械の密閉構造 Download PDFInfo
- Publication number
- JP2016500422A JP2016500422A JP2015548426A JP2015548426A JP2016500422A JP 2016500422 A JP2016500422 A JP 2016500422A JP 2015548426 A JP2015548426 A JP 2015548426A JP 2015548426 A JP2015548426 A JP 2015548426A JP 2016500422 A JP2016500422 A JP 2016500422A
- Authority
- JP
- Japan
- Prior art keywords
- casing
- sealing
- shaft
- turbomachine
- sealing ring
- 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
Links
- 238000007789 sealing Methods 0.000 title claims abstract description 150
- 230000007246 mechanism Effects 0.000 claims description 29
- 238000000034 method Methods 0.000 description 5
- 238000005304 joining Methods 0.000 description 3
- 238000003466 welding Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000002985 plastic film Substances 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 238000012938 design process Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 230000036316 preload Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/08—Sealings
- F04D29/10—Shaft sealings
- F04D29/12—Shaft sealings using sealing-rings
-
- 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
- F01D25/00—Component parts, details, or accessories, not provided for in, or of interest apart from, other groups
- F01D25/24—Casings; Casing parts, e.g. diaphragms, casing fastenings
- F01D25/243—Flange connections; Bolting arrangements
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02C—GAS-TURBINE PLANTS; AIR INTAKES FOR JET-PROPULSION PLANTS; CONTROLLING FUEL SUPPLY IN AIR-BREATHING JET-PROPULSION PLANTS
- F02C7/00—Features, components parts, details or accessories, not provided for in, or of interest apart form groups F02C1/00 - F02C6/00; Air intakes for jet-propulsion plants
- F02C7/28—Arrangement of seals
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D1/00—Radial-flow pumps, e.g. centrifugal pumps; Helico-centrifugal pumps
- F04D1/06—Multi-stage pumps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D17/00—Radial-flow pumps, e.g. centrifugal pumps; Helico-centrifugal pumps
- F04D17/08—Centrifugal pumps
- F04D17/10—Centrifugal pumps for compressing or evacuating
- F04D17/12—Multi-stage pumps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/04—Shafts or bearings, or assemblies thereof
- F04D29/043—Shafts
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/05—Shafts or bearings, or assemblies thereof, specially adapted for elastic fluid pumps
- F04D29/053—Shafts
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/18—Rotors
- F04D29/22—Rotors specially for centrifugal pumps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/26—Rotors specially for elastic fluids
- F04D29/28—Rotors specially for elastic fluids for centrifugal or helico-centrifugal pumps for radial-flow or helico-centrifugal pumps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/40—Casings; Connections of working fluid
- F04D29/42—Casings; Connections of working fluid for radial or helico-centrifugal pumps
- F04D29/4206—Casings; Connections of working fluid for radial or helico-centrifugal pumps especially adapted for elastic fluid pumps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/40—Casings; Connections of working fluid
- F04D29/42—Casings; Connections of working fluid for radial or helico-centrifugal pumps
- F04D29/426—Casings; Connections of working fluid for radial or helico-centrifugal pumps especially adapted for liquid pumps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/60—Mounting; Assembling; Disassembling
- F04D29/62—Mounting; Assembling; Disassembling of radial or helico-centrifugal pumps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/08—Sealings
- F04D29/086—Sealings especially adapted for liquid pumps
-
- 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
- F05D2240/00—Components
- F05D2240/55—Seals
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
- Supercharger (AREA)
- Turbine Rotor Nozzle Sealing (AREA)
Abstract
Description
3 ケーシング
5 第1のケーシング部
5A 接触面
7 第2のケーシング部
7A 接触面
9 ボルト
11 孔
13 ロータハウジング
15 ロータ
17 軸
19 羽根車
21 第1の軸通路
23 第2の軸通路
25 シールスリーブ機構
27 シールスリーブ機構
29 軸受
31 軸受
33 密閉構造
35 線状密閉部材
37 密閉リング部
39 密閉リング部
41 溝
43 溝
47 接合部
49 環状溝
51 半環状溝
55 湾曲した縁
Claims (12)
- 第1の接触面(5A)を有する第1のケーシング部(5)と第2の接触面(7A)を有する第2のケーシング部(7)とからなるケーシング(3)と、
前記第1のケーシング部(5)と前記第2のケーシング部(7)との間に位置する密閉構造(33)と、
前記ケーシング(3)内で回転するように配置され、軸(17)と、前記軸(17)に取り付けられた少なくとも1つの羽根車(19)とを備えるロータ(15)と、
前記ケーシング(3)を貫く、内部に前記軸(17)が通される少なくとも1つの軸通路(23)と、
を備える軸方向分割形ターボ機械であって、
前記密閉構造(33)は、第1の接触面(5A)と第2の接触面(7A)との間に延伸する線状密閉部材(35)と、前記少なくとも1つの軸通路(23)を囲む少なくとも1つの密閉リング部(39)とを備え、前記少なくとも1つの密閉リング部(39)と前記線状密閉部材(35)とで一続きの密閉体を形成する、軸方向分割形ターボ機械。 - 前記第1のケーシング部(5)および前記第2のケーシング部(7)を互いに連結する複数のボルト(9)をさらに備え、前記線状密閉部材(35)は前記ロータ(15)と前記ボルト(9)との間に配置される、請求項1に記載の軸方向分割形ターボ機械。
- 前記少なくとも1つの軸通路(23)に配置され、内部に前記軸(17)が通される少なくとも1つのシールスリーブ機構(27)をさらに備え、前記密閉リング部(39)は前記シールスリーブ機構(27)の周りに配置される、請求項1または2に記載の軸方向分割形ターボ機械。
- 前記シールスリーブ機構(27)は前記密閉リング部(39)を部分的に収容する外面環状溝(49)を備える、請求項3に記載の軸方向分割形ターボ機械。
- 前記ケーシング(3)は、前記ケーシング(3)の両端に配置され、内部に前記軸(17)の2つの端部が通される2つの軸通路(21、23)を備え、
シールスリーブ機構(25、27)は、前記ケーシング(3)と前記軸(17)との間であって、前記軸通路(21、23)のそれぞれの内部に配置され、
前記密閉構造(33)は、2つの密閉リング部(37、39)を備え、前記2つの密閉リング部(37、39)はそれぞれ、対応する前記シールスリーブ機構(25、27)の1つの周りに配置され、
前記密閉リング部(37、39)は、前記密閉リング部(37、39)とともに一続きの密閉構造を形成する前記線状密閉部材(35)に接続され、前記一続きの密閉構造は、前記ロータ(15)および前記2つのシールスリーブ機構(25、27)を囲む、
請求項1乃至4のいずれか1項に記載の軸方向分割形ターボ機械。 - 前記線状密閉部材(35)は、前記密閉リング部(37、39)によって互いに接続される2つの線状密閉部分を備える、請求項1乃至5のいずれか1項に記載の軸方向分割形ターボ機械。
- 前記密閉リング部(37、39)はそれぞれ、T形の接合部(47)で前記線状密閉部材(35)に接続する、請求項5または6に記載の軸方向分割形ターボ機械。
- 前記シールスリーブ機構(25、27)はそれぞれ、対応する前記密閉リング部(37、39)を部分的に収容する外面環状溝(49)を備える、請求項5、6または7に記載の軸方向分割形ターボ機械。
- 前記第1の接触面(5A)および前記第2の接触面(7A)のうち少なくとも1つに溝(41)を備え、前記線状密閉部材(35)は前記溝(41)に部分的に収容される、請求項1乃至8のいずれか1項に記載の軸方向分割形ターボ機械。
- 前記第1の接触面(5A)および前記第2の接触面(7A)の両方に溝(41、43)が設けられ、前記線状密閉部材(35)は前記溝(41、43)に部分的に収容される、請求項1乃至9のいずれか1項に記載の軸方向分割形ターボ機械。
- 前記少なくとも1つの軸通路(23)は環状溝を備え、前記少なくとも1つの密閉リング部(39)は前記環状溝に少なくとも部分的に収容される、請求項1乃至10のいずれか1項に記載の軸方向分割形ターボ機械。
- 前記軸通路(21、23)はそれぞれ環状溝を備え、前記密閉リング部(37、39)は対応する前記環状溝に少なくとも部分的に収容される、請求項5乃至8のいずれか1項に記載の軸方向分割形ターボ機械。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT000289A ITFI20120289A1 (it) | 2012-12-21 | 2012-12-21 | "sealing arrangement for axially split turbomachines" |
ITFI2012A000289 | 2012-12-21 | ||
PCT/EP2013/076805 WO2014095787A1 (en) | 2012-12-21 | 2013-12-17 | Sealing arrangement for axially split turbomachines |
Publications (1)
Publication Number | Publication Date |
---|---|
JP2016500422A true JP2016500422A (ja) | 2016-01-12 |
Family
ID=47748699
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2015548426A Pending JP2016500422A (ja) | 2012-12-21 | 2013-12-17 | 軸方向分割形ターボ機械の密閉構造 |
Country Status (12)
Country | Link |
---|---|
US (1) | US9810233B2 (ja) |
EP (1) | EP2941544B1 (ja) |
JP (1) | JP2016500422A (ja) |
KR (1) | KR20150099830A (ja) |
CN (1) | CN105121793B (ja) |
AU (1) | AU2013363696B2 (ja) |
BR (1) | BR112015014811B8 (ja) |
CA (1) | CA2895552A1 (ja) |
ES (1) | ES2716844T3 (ja) |
IT (1) | ITFI20120289A1 (ja) |
MX (1) | MX356889B (ja) |
WO (1) | WO2014095787A1 (ja) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP3029334B1 (de) * | 2014-12-05 | 2021-07-07 | Sulzer Management AG | Axial geteilte pumpe |
ES2725912T3 (es) | 2014-12-05 | 2019-09-30 | Sulzer Management Ag | Bomba de separación axial |
EP3029333B1 (de) * | 2014-12-05 | 2018-04-18 | Sulzer Management AG | Axial geteilte pumpe |
EP3372842B1 (en) | 2015-12-07 | 2020-01-29 | Mitsubishi Heavy Industries Compressor Corporation | Casing assembly and rotary electric machine |
US10823013B2 (en) | 2016-09-30 | 2020-11-03 | General Electric Company | Dual tierod assembly for a gas turbine engine and method of assembly thereof |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0587369U (ja) * | 1992-04-30 | 1993-11-26 | いすゞ自動車株式会社 | エンジンのシール装置 |
JP2007162504A (ja) * | 2005-12-09 | 2007-06-28 | Nidec Shibaura Corp | ポンプ |
JP2010255568A (ja) * | 2009-04-27 | 2010-11-11 | Torishima Pump Mfg Co Ltd | 流体機械 |
JP2011185224A (ja) * | 2010-03-10 | 2011-09-22 | Ulvac Japan Ltd | 気密容器、真空ポンプ |
US20120269624A1 (en) * | 2009-11-13 | 2012-10-25 | Continental Automotive Gmbh | Axial bearing arrangement for a shaft of a turbocharger |
US20120269620A1 (en) * | 2009-11-13 | 2012-10-25 | Continental Automotive Gmbh | Turbocharger housing having a sealing device |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4474007A (en) * | 1980-09-29 | 1984-10-02 | Ab Volvo | Turbocharging device for an internal combustion engine |
US4541786A (en) * | 1982-09-03 | 1985-09-17 | Ford Motor Company | Ceramic turbocharger |
DE3408011C2 (de) | 1984-03-03 | 1987-03-12 | Klein, Schanzlin & Becker Ag, 6710 Frankenthal | Abdichtung für Teilflansch und Dichtungsgehäuse von längsgeteilten Maschinengehäusen |
US4786238A (en) * | 1984-12-20 | 1988-11-22 | Allied-Signal Inc. | Thermal isolation system for turbochargers and like machines |
US5310311A (en) * | 1992-10-14 | 1994-05-10 | Barber-Colman Company | Air cycle machine with magnetic bearings |
DE19744330A1 (de) * | 1996-10-09 | 1998-04-16 | Mann & Hummel Filter | Drossel für flüssige oder gasförmige Medien |
CN1109184C (zh) * | 1998-08-19 | 2003-05-21 | 沙特尔沃思轴流式发动机有限公司 | 改进的二冲程轴流式发动机 |
US20060263208A1 (en) * | 2005-01-25 | 2006-11-23 | Stone Stephen S | Split case seals and methods |
DE102009053237B4 (de) * | 2009-11-13 | 2016-01-14 | Continental Automotive Gmbh | Turbolader mit einer Lagerbockeinrichtung für ein in Längsrichtung geteiltes Turboladergehäuse |
EP2499378B1 (de) * | 2009-11-13 | 2016-03-30 | Continental Automotive GmbH | Turboladergehäuse |
CN201925218U (zh) | 2011-01-25 | 2011-08-10 | 安徽三联泵业股份有限公司 | 一种中开泵的中开面密封结构 |
DE102011005026A1 (de) | 2011-03-03 | 2012-09-06 | Siemens Aktiengesellschaft | Teilfugenabdichtung bei einem Gehäuse für eine Fluidmaschine |
-
2012
- 2012-12-21 IT IT000289A patent/ITFI20120289A1/it unknown
-
2013
- 2013-12-17 EP EP13811179.4A patent/EP2941544B1/en active Active
- 2013-12-17 CN CN201380073635.8A patent/CN105121793B/zh active Active
- 2013-12-17 BR BR112015014811A patent/BR112015014811B8/pt active IP Right Grant
- 2013-12-17 AU AU2013363696A patent/AU2013363696B2/en not_active Ceased
- 2013-12-17 JP JP2015548426A patent/JP2016500422A/ja active Pending
- 2013-12-17 WO PCT/EP2013/076805 patent/WO2014095787A1/en active Application Filing
- 2013-12-17 ES ES13811179T patent/ES2716844T3/es active Active
- 2013-12-17 KR KR1020157019841A patent/KR20150099830A/ko not_active Application Discontinuation
- 2013-12-17 US US14/653,943 patent/US9810233B2/en active Active
- 2013-12-17 MX MX2015008191A patent/MX356889B/es active IP Right Grant
- 2013-12-17 CA CA2895552A patent/CA2895552A1/en not_active Abandoned
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0587369U (ja) * | 1992-04-30 | 1993-11-26 | いすゞ自動車株式会社 | エンジンのシール装置 |
JP2007162504A (ja) * | 2005-12-09 | 2007-06-28 | Nidec Shibaura Corp | ポンプ |
JP2010255568A (ja) * | 2009-04-27 | 2010-11-11 | Torishima Pump Mfg Co Ltd | 流体機械 |
US20120269624A1 (en) * | 2009-11-13 | 2012-10-25 | Continental Automotive Gmbh | Axial bearing arrangement for a shaft of a turbocharger |
US20120269620A1 (en) * | 2009-11-13 | 2012-10-25 | Continental Automotive Gmbh | Turbocharger housing having a sealing device |
JP2011185224A (ja) * | 2010-03-10 | 2011-09-22 | Ulvac Japan Ltd | 気密容器、真空ポンプ |
Also Published As
Publication number | Publication date |
---|---|
US20150345503A1 (en) | 2015-12-03 |
ES2716844T3 (es) | 2019-06-17 |
BR112015014811A2 (pt) | 2017-07-11 |
EP2941544B1 (en) | 2019-02-20 |
CN105121793B (zh) | 2018-12-25 |
MX2015008191A (es) | 2016-02-05 |
MX356889B (es) | 2018-06-18 |
BR112015014811B8 (pt) | 2022-10-18 |
BR112015014811B1 (pt) | 2021-12-14 |
AU2013363696B2 (en) | 2017-08-03 |
AU2013363696A1 (en) | 2015-07-09 |
US9810233B2 (en) | 2017-11-07 |
ITFI20120289A1 (it) | 2014-06-22 |
CA2895552A1 (en) | 2014-06-26 |
KR20150099830A (ko) | 2015-09-01 |
EP2941544A1 (en) | 2015-11-11 |
WO2014095787A1 (en) | 2014-06-26 |
CN105121793A (zh) | 2015-12-02 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
KR100317875B1 (ko) | 캔드모터및이를이용한펌프 | |
JP2016500422A (ja) | 軸方向分割形ターボ機械の密閉構造 | |
US8087901B2 (en) | Fluid channeling device for back-to-back compressors | |
JP2011256858A (ja) | タイロッド及びボルト止めフランジを備えたスタックロータ並びにその方法 | |
CN103307284B (zh) | 具有自紧密封能力的剖分式机械密封 | |
ITCO20110029A1 (it) | Girante centrifuga e turbomacchina | |
EP3032149A1 (en) | Sealing device, rotating machine, and method for manufacturing sealing device | |
US20170226896A1 (en) | Centrifugal rotary machine | |
US11530706B2 (en) | Rotating body, turbocharger, and rotating body manufacturing method | |
CN105324554B (zh) | 轴流膨胀机 | |
JP6655712B2 (ja) | 回転機械 | |
US11408511B2 (en) | Circumferential seal assembly | |
JP6607321B2 (ja) | シールリング、および、過給機 | |
EP3372842B1 (en) | Casing assembly and rotary electric machine | |
US20170241433A1 (en) | Centrifugal turbomachine with two stages arranged back-to-back and with an annular transfer duct between the stages | |
JP2019193508A (ja) | キャンドモータ及びキャンドモータポンプ | |
JP7394830B2 (ja) | 多段ターボ機械 | |
US11174754B1 (en) | Thermal bridge for connecting sections with a large temperature differential under high-pressure conditions | |
JP7059051B2 (ja) | 二面拘束座金及び回転機械 | |
JP4072177B2 (ja) | 蒸気タービン仕切板および蒸気タービン | |
JP6079041B2 (ja) | ターボ分子ポンプ、及び、ターボ分子ポンプ用の補強部材 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A621 | Written request for application examination |
Free format text: JAPANESE INTERMEDIATE CODE: A621 Effective date: 20161212 |
|
A977 | Report on retrieval |
Free format text: JAPANESE INTERMEDIATE CODE: A971007 Effective date: 20171018 |
|
A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20171024 |
|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20180119 |
|
A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20180403 |
|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20180627 |
|
A02 | Decision of refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A02 Effective date: 20181106 |