CA1051077A - Gas cooled flux shield for dynamoelectric machine - Google Patents
Gas cooled flux shield for dynamoelectric machineInfo
- Publication number
- CA1051077A CA1051077A CA260,411A CA260411A CA1051077A CA 1051077 A CA1051077 A CA 1051077A CA 260411 A CA260411 A CA 260411A CA 1051077 A CA1051077 A CA 1051077A
- Authority
- CA
- Canada
- Prior art keywords
- flux shield
- cooling gas
- flux
- shield
- flow
- 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.)
- Expired
Links
- 230000004907 flux Effects 0.000 title claims abstract description 81
- 239000000112 cooling gas Substances 0.000 claims abstract description 42
- 239000007789 gas Substances 0.000 claims description 8
- 238000003475 lamination Methods 0.000 claims description 5
- 239000000463 material Substances 0.000 claims description 3
- 238000001816 cooling Methods 0.000 abstract description 20
- 238000010438 heat treatment Methods 0.000 abstract description 5
- 230000000694 effects Effects 0.000 abstract description 4
- 125000006850 spacer group Chemical group 0.000 description 4
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 238000005219 brazing Methods 0.000 description 2
- 239000004020 conductor Substances 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical group [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 235000017276 Salvia Nutrition 0.000 description 1
- 241001072909 Salvia Species 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 125000004435 hydrogen atom Chemical class [H]* 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K3/00—Details of windings
- H02K3/42—Means for preventing or reducing eddy-current losses in the winding heads, e.g. by shielding
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K1/00—Details of the magnetic circuit
- H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
- H02K1/12—Stationary parts of the magnetic circuit
- H02K1/20—Stationary parts of the magnetic circuit with channels or ducts for flow of cooling medium
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Motor Or Generator Cooling System (AREA)
- Iron Core Of Rotating Electric Machines (AREA)
- Insulation, Fastening Of Motor, Generator Windings (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US05/609,390 US4031422A (en) | 1975-09-02 | 1975-09-02 | Gas cooled flux shield for dynamoelectric machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1051077A true CA1051077A (en) | 1979-03-20 |
Family
ID=24440598
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA260,411A Expired CA1051077A (en) | 1975-09-02 | 1976-09-02 | Gas cooled flux shield for dynamoelectric machine |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US4031422A (en, 2012) |
| JP (1) | JPS5238103A (en, 2012) |
| CA (1) | CA1051077A (en, 2012) |
| DE (1) | DE2638908C2 (en, 2012) |
| ES (1) | ES222868Y (en, 2012) |
| GB (1) | GB1549418A (en, 2012) |
| IT (1) | IT1063516B (en, 2012) |
Families Citing this family (21)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS54110404A (en) * | 1978-02-17 | 1979-08-29 | Hitachi Ltd | Stator core of electric rotary equipment |
| US4315363A (en) * | 1978-03-15 | 1982-02-16 | General Electric Company | Method of making and securing a leakage flux conducting device |
| US4205247A (en) * | 1978-03-15 | 1980-05-27 | General Electric Company | Prime mover and methods |
| DE2913972C2 (de) * | 1979-04-04 | 1984-02-23 | Siemens AG, 1000 Berlin und 8000 München | Flüssigkeitsgekühlte elektrische Maschine |
| EP0171571B1 (de) * | 1984-08-09 | 1988-12-07 | BBC Brown Boveri AG | Statorkörper mit lamellierten Pressplatten |
| US4908347A (en) * | 1985-11-20 | 1990-03-13 | Allied-Signal Inc. | Dynamoelectric machine with diamagnetic flux shield |
| JPS63143145U (en, 2012) * | 1987-03-11 | 1988-09-21 | ||
| JPH0613455U (ja) * | 1992-07-27 | 1994-02-22 | 東洋テルミー株式会社 | プランター用散水具 |
| US5757094A (en) * | 1997-03-28 | 1998-05-26 | General Electric Canada Inc. | Ventilation system for an AC machine having overhanging salient poles with juxtaposed shrouds |
| US6204580B1 (en) * | 2000-02-09 | 2001-03-20 | General Electric Co. | Direct gas cooled rotor endwinding ventilation schemes for rotating machines with concentric coil rotors |
| US6252318B1 (en) * | 2000-02-09 | 2001-06-26 | General Electric Co. | Direct gas cooled longitudinal/cross-flow rotor endwinding ventillation scheme for rotating machines with concentric coil rotors |
| US6597081B2 (en) | 2000-12-08 | 2003-07-22 | General Electric Company | Stator having reduced forces at generator stator key bar and method for forming the same |
| US6448686B1 (en) | 2000-12-08 | 2002-09-10 | General Electric Company | Packaged stator core and method forming the same |
| US20020079783A1 (en) | 2000-12-22 | 2002-06-27 | Hopeck James Frederick | Air gap winding method and support structure for a superconducting generator and method for forming the same |
| US6548928B2 (en) | 2000-12-22 | 2003-04-15 | General Electric Company | Grounding of stator core to stator frame |
| EP2086092B1 (en) | 2008-01-22 | 2011-03-02 | Alstom Technology Ltd | Improved flux screen design for generators |
| US8203249B1 (en) | 2011-09-19 | 2012-06-19 | Rao Dantam K | Reducing the core-end heating in large power generators |
| US9203272B1 (en) | 2015-06-27 | 2015-12-01 | Dantam K. Rao | Stealth end windings to reduce core-end heating in large electric machines |
| KR101901765B1 (ko) * | 2015-12-15 | 2018-09-28 | 두산중공업 주식회사 | 분할된 구조를 포함하는 플럭스 쉴드 및 이를 포함하는 발전기 |
| GB2546735A (en) * | 2016-01-25 | 2017-08-02 | Cummins Generator Tech Ltd | Air flow baffle for rotating electrical machine |
| CN116131536B (zh) * | 2023-04-19 | 2023-07-07 | 哈尔滨电机厂有限责任公司 | 一种定子端部变截面组合屏蔽结构 |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1689187A (en) * | 1927-03-29 | 1928-10-23 | Gen Electric | Dynamo-electric machine |
| DE596337C (de) * | 1930-03-25 | 1934-04-30 | Siemens Schuckertwerke Akt Ges | Einrichtung zum Abfuehren der Waerme von mit Kittmasse allseitig umgebenen Spulenkoepfen der Staenderwicklung elektrischer Maschinen |
| CH166919A (de) * | 1933-03-30 | 1934-01-31 | Oerlikon Maschf | Elektrische Maschine mit Nutisolationsabstützung. |
| CA555799A (en) * | 1955-01-28 | 1958-04-08 | Westinghouse Electric Corporation | Laminated end shield for turbine electric generators |
| DE1833678U (de) * | 1960-05-31 | 1961-06-29 | Siemens Ag | Anordnung zur fuehrung der kuehlluft fuer das laeuferblechpaket einer elektrischen maschine mit frischluftkuehlung. |
| GB1117433A (en) * | 1966-06-07 | 1968-06-19 | English Electric Co Ltd | Improvements in alternating current generators |
| US3714477A (en) * | 1971-08-23 | 1973-01-30 | Gen Electric | Combination flux shield and flux shunt for a dynamoelectric machine |
| US3808489A (en) * | 1972-09-01 | 1974-04-30 | Gen Electric | Cooled flux shield for generator terminal box |
| BE795353A (fr) * | 1972-12-08 | 1973-05-29 | Bbc Brown Boveri & Cie | Perfectionnements aux moteurs d'induction lineaires et a leurs dispositifs de refroidissement |
-
1975
- 1975-09-02 US US05/609,390 patent/US4031422A/en not_active Expired - Lifetime
-
1976
- 1976-08-11 ES ES1976222868U patent/ES222868Y/es not_active Expired
- 1976-08-28 DE DE2638908A patent/DE2638908C2/de not_active Expired
- 1976-08-31 JP JP51103254A patent/JPS5238103A/ja active Granted
- 1976-09-01 IT IT26729/76A patent/IT1063516B/it active
- 1976-09-01 GB GB36097/76A patent/GB1549418A/en not_active Expired
- 1976-09-02 CA CA260,411A patent/CA1051077A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB1549418A (en) | 1979-08-08 |
| IT1063516B (it) | 1985-02-11 |
| DE2638908A1 (de) | 1977-03-10 |
| ES222868U (es) | 1976-12-01 |
| JPS5238103A (en) | 1977-03-24 |
| DE2638908C2 (de) | 1983-12-01 |
| ES222868Y (es) | 1977-04-01 |
| JPS5630771B2 (en, 2012) | 1981-07-17 |
| US4031422A (en) | 1977-06-21 |
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