SE8701477D0 - Sett och anordning for metning av luftgap mellan en rotor och en stator i en roterande elektrisk maskin - Google Patents
Sett och anordning for metning av luftgap mellan en rotor och en stator i en roterande elektrisk maskinInfo
- Publication number
- SE8701477D0 SE8701477D0 SE8701477A SE8701477A SE8701477D0 SE 8701477 D0 SE8701477 D0 SE 8701477D0 SE 8701477 A SE8701477 A SE 8701477A SE 8701477 A SE8701477 A SE 8701477A SE 8701477 D0 SE8701477 D0 SE 8701477D0
- Authority
- SE
- Sweden
- Prior art keywords
- rotor
- stator
- air gap
- electric machine
- rotating electric
- Prior art date
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S15/00—Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems
- G01S15/88—Sonar systems specially adapted for specific applications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S15/00—Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems
- G01S15/02—Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems using reflection of acoustic waves
- G01S15/06—Systems determining the position data of a target
- G01S15/08—Systems for measuring distance only
- G01S15/10—Systems for measuring distance only using transmission of interrupted, pulse-modulated waves
- G01S15/14—Systems for measuring distance only using transmission of interrupted, pulse-modulated waves wherein a voltage or current pulse is initiated and terminated in accordance respectively with the pulse transmission and echo reception
Landscapes
- Engineering & Computer Science (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Computer Networks & Wireless Communication (AREA)
- General Physics & Mathematics (AREA)
- Length Measuring Devices Characterised By Use Of Acoustic Means (AREA)
- Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
- Tests Of Circuit Breakers, Generators, And Electric Motors (AREA)
- Manufacture Of Motors, Generators (AREA)
- Arrangements For Transmission Of Measured Signals (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US06/850,234 US4704906A (en) | 1986-04-10 | 1986-04-10 | Dynamic air gap measuring device for use with rotating electrical machinery |
Publications (2)
Publication Number | Publication Date |
---|---|
SE8701477D0 true SE8701477D0 (sv) | 1987-04-09 |
SE8701477L SE8701477L (sv) | 1987-10-11 |
Family
ID=25307612
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SE8701477A SE8701477L (sv) | 1986-04-10 | 1987-04-09 | Sett och anordning for metning av luftgap mellan en rotor och en stator i en roterande elektrisk maskin |
Country Status (6)
Country | Link |
---|---|
US (1) | US4704906A (sv) |
EP (1) | EP0242107A3 (sv) |
JP (1) | JPH0638700B2 (sv) |
BR (1) | BR8701640A (sv) |
CA (1) | CA1273098A (sv) |
SE (1) | SE8701477L (sv) |
Families Citing this family (24)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5159835A (en) * | 1986-10-29 | 1992-11-03 | Westinghouse Electric Corp. | Check valve testing system |
US5154080A (en) * | 1986-10-29 | 1992-10-13 | Westinghouse Electric Corp. | Integrated check valve testing system |
US5385050A (en) * | 1992-04-07 | 1995-01-31 | Northrop Grumman Corporation | Gap measurement for shim manufacture |
US5415046A (en) * | 1992-10-07 | 1995-05-16 | Guinon; Walter J. | Time gated listening device for machinery analysis |
US5432442A (en) * | 1993-07-30 | 1995-07-11 | Itt Corporation | Speed sensor including output signal proportional to air gap size |
CA2127135A1 (en) * | 1994-06-30 | 1995-12-31 | Bryan P. Mclaughlin | Apparatus and method of determining the best position for inner and outer members in a rotary machine |
US6489884B1 (en) | 1996-01-30 | 2002-12-03 | Skf Condition Monitoring | Apparatus and method for the remote monitoring of machine condition |
US5845230A (en) * | 1996-01-30 | 1998-12-01 | Skf Condition Monitoring | Apparatus and method for the remote monitoring of machine condition |
SE516952C2 (sv) * | 2000-09-04 | 2002-03-26 | Johansson Ab C E | Vinkelgivare |
EP1617174A1 (de) * | 2004-07-12 | 2006-01-18 | Siemens Aktiengesellschaft | Bestimmung des Spaltmasses eines Radialspaltes |
US20060167638A1 (en) * | 2004-11-04 | 2006-07-27 | Murphy Jonathan D M | Data collector with wireless server connection |
US8137058B2 (en) * | 2008-03-10 | 2012-03-20 | General Electric Company | Method and apparatus for determining clearance between moving and static members in a machine |
SI2422431T1 (sl) * | 2009-04-24 | 2014-09-30 | Alstom Renewable Technologies | Električni stroj, ki vsebuje rotor, stator in napravo za nadzor zračne reže med rotorjem in statorjem |
US8466649B2 (en) | 2010-05-19 | 2013-06-18 | The Invention Science Fund I Llc | Heat removal from motor components |
US8536813B2 (en) | 2010-05-19 | 2013-09-17 | The Invention Science Fund I Llc | Motor with rotor-mounted control circuitry |
US10603674B2 (en) * | 2012-06-29 | 2020-03-31 | Metso Minerals, Inc. | Impact crusher rotor position detection and control |
EP2690422B1 (en) * | 2012-07-25 | 2020-04-08 | Ansaldo Energia IP UK Limited | Method for monitoring machines with rotating shafts |
US9513117B2 (en) | 2013-10-02 | 2016-12-06 | Siemens Energy, Inc. | Situ blade mounted tip gap measurement for turbines |
US9068906B2 (en) | 2013-10-02 | 2015-06-30 | Siemens Energy, Inc. | Turbine blade-mounted sensor fixture for tip gap measurement |
DE102014212412A1 (de) * | 2014-06-27 | 2015-12-31 | Siemens Aktiengesellschaft | Abstandsmessverfahren und Abstandsmesseinrichtung |
US10222200B2 (en) | 2017-05-12 | 2019-03-05 | Siemens Energy, Inc. | Contactless, blade-tip clearance measurement for turbines |
CN107677214A (zh) * | 2017-11-03 | 2018-02-09 | 北京金风科创风电设备有限公司 | 发电机气隙的实时检测系统、方法和风力发电机组 |
CN109883341B (zh) * | 2019-03-28 | 2020-12-04 | 中广核核电运营有限公司 | 一种用于励磁机的测距装置及其测距方法 |
CN110071607B (zh) * | 2019-04-23 | 2021-01-26 | 中广核核电运营有限公司 | 发电机检修机器人 |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3760414A (en) * | 1971-10-22 | 1973-09-18 | Sperry Rand Corp | Base band vehicle safety apparatus |
DE2654020A1 (de) * | 1976-11-27 | 1978-06-01 | Bbc Brown Boveri & Cie | Mess- und/oder ueberwachungseinrichtung fuer spaltaenderungen |
DE2730508A1 (de) * | 1977-07-06 | 1979-01-25 | Bbc Brown Boveri & Cie | Mess- und/oder ueberwachungseinrichtung fuer aenderungen der spaltweite zwischen relativ zueinander bewegbaren bauelementen |
GB1598405A (en) * | 1978-03-08 | 1981-09-23 | Nat Res Dev | Proximity indicating sonar equipment |
US4368641A (en) * | 1981-01-30 | 1983-01-18 | Powers Manufacturing, Inc. | Out-of-round detector |
FR2506455A1 (fr) * | 1981-05-21 | 1982-11-26 | Elf Aquitaine | Systeme d'analyse des mouvements vibratoires d'une machine tournante |
US4413519A (en) * | 1981-07-29 | 1983-11-08 | Westinghouse Electric Corp. | Turbine blade vibration detection apparatus |
US4452074A (en) * | 1981-09-04 | 1984-06-05 | Shelomentsev Timofei I | Method of and apparatus for monitoring the performance of internal combustion engine mechanisms |
US4422333A (en) * | 1982-04-29 | 1983-12-27 | The Franklin Institute | Method and apparatus for detecting and identifying excessively vibrating blades of a turbomachine |
US4472793A (en) * | 1982-05-25 | 1984-09-18 | Eastport International, Inc. | Data selector circuit with channel skipper for data acquisition system |
US4464935A (en) * | 1983-05-09 | 1984-08-14 | General Electric Company | Shaft vibration evaluation |
-
1986
- 1986-04-10 US US06/850,234 patent/US4704906A/en not_active Expired - Fee Related
-
1987
- 1987-04-07 EP EP87303006A patent/EP0242107A3/en not_active Withdrawn
- 1987-04-08 BR BR8701640A patent/BR8701640A/pt unknown
- 1987-04-09 SE SE8701477A patent/SE8701477L/sv not_active Application Discontinuation
- 1987-04-09 CA CA000534294A patent/CA1273098A/en not_active Expired - Fee Related
- 1987-04-09 JP JP8788887A patent/JPH0638700B2/ja not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
SE8701477L (sv) | 1987-10-11 |
BR8701640A (pt) | 1988-01-12 |
US4704906A (en) | 1987-11-10 |
EP0242107A3 (en) | 1988-10-05 |
JPH0638700B2 (ja) | 1994-05-18 |
JPS63129830A (ja) | 1988-06-02 |
EP0242107A2 (en) | 1987-10-21 |
CA1273098A (en) | 1990-08-21 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
NAV | Patent application has lapsed |
Ref document number: 8701477-5 Effective date: 19920301 |