IT8219271A0 - Struttura di elemento a cuneo atta ad essere impiegata nelle cave rotoriche di macchine dinamoelettriche per ritenere gli avvolgimenti di campo. - Google Patents
Struttura di elemento a cuneo atta ad essere impiegata nelle cave rotoriche di macchine dinamoelettriche per ritenere gli avvolgimenti di campo.Info
- Publication number
- IT8219271A0 IT8219271A0 IT8219271A IT1927182A IT8219271A0 IT 8219271 A0 IT8219271 A0 IT 8219271A0 IT 8219271 A IT8219271 A IT 8219271A IT 1927182 A IT1927182 A IT 1927182A IT 8219271 A0 IT8219271 A0 IT 8219271A0
- Authority
- IT
- Italy
- Prior art keywords
- retain
- element structure
- structure suitable
- wedge element
- field windings
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K3/00—Details of windings
- H02K3/46—Fastening of windings on the stator or rotor structure
- H02K3/48—Fastening of windings on the stator or rotor structure in slots
- H02K3/487—Slot-closing devices
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K3/00—Details of windings
- H02K3/04—Windings characterised by the conductor shape, form or construction, e.g. with bar conductors
- H02K3/24—Windings characterised by the conductor shape, form or construction, e.g. with bar conductors with channels or ducts for cooling medium between the conductors
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Motor Or Generator Cooling System (AREA)
- Insulation, Fastening Of Motor, Generator Windings (AREA)
- Windings For Motors And Generators (AREA)
- Iron Core Of Rotating Electric Machines (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US06/228,471 US4363982A (en) | 1981-01-26 | 1981-01-26 | Dual curved inlet gap pickup wedge |
Publications (2)
Publication Number | Publication Date |
---|---|
IT8219271A0 true IT8219271A0 (it) | 1982-01-25 |
IT1152760B IT1152760B (it) | 1987-01-14 |
Family
ID=22857309
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT19271/82A IT1152760B (it) | 1981-01-26 | 1982-01-25 | Struttura di elemento a cuneo atta ad essere impiegata nelle cave rotoriche di macchine dinamoelettriche per ritenere gli avvolgimenti di campo |
Country Status (6)
Country | Link |
---|---|
US (1) | US4363982A (it) |
JP (1) | JPS57142151A (it) |
DE (1) | DE3201057A1 (it) |
ES (1) | ES271898Y (it) |
FR (1) | FR2498837A1 (it) |
IT (1) | IT1152760B (it) |
Families Citing this family (24)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4739202A (en) * | 1986-03-12 | 1988-04-19 | Mitsubishi Denki Kabushiki Kaisha | Superconducting electric rotary machine having grooved insulation for carrying coolant |
JPH0817555B2 (ja) * | 1987-09-04 | 1996-02-21 | 株式会社日立製作所 | 回転子の熱的バランス調整方法 |
US5483112A (en) * | 1993-12-30 | 1996-01-09 | Westinghouse Electric Corporation | Rotor end turn ventilation structure |
US5859483A (en) * | 1994-12-19 | 1999-01-12 | General Electric Company | Staggered cooling holes for enhanced heat transfer in air-cooled motors |
US6268668B1 (en) * | 2000-01-03 | 2001-07-31 | General Electric Co. | Gas cooled generator stator structure and method for impingement cooling of generator stator coil |
US6339268B1 (en) * | 2000-02-02 | 2002-01-15 | General Electric Company | Cooling ventilation circuit for rotor end winding and slot end region cooling |
JP3589139B2 (ja) * | 2000-02-14 | 2004-11-17 | 株式会社日立製作所 | 回転電機 |
US6849972B1 (en) * | 2003-08-27 | 2005-02-01 | General Electric Company | Generator rotor fretting fatigue crack repair |
US6989621B2 (en) * | 2004-03-23 | 2006-01-24 | General Electric Company | Module winding system for electrical machines and methods of electrical connection |
US7061154B2 (en) * | 2004-03-24 | 2006-06-13 | Honeywell International, Inc. | Lightweight wedge design for high speed generators |
US6952070B1 (en) | 2004-04-29 | 2005-10-04 | General Electric Company | Capped flat end windings in an electrical machine |
US6972507B1 (en) * | 2004-05-21 | 2005-12-06 | General Electric Company | End winding restraint in an electrical machine |
US7078845B2 (en) * | 2004-05-26 | 2006-07-18 | General Electric Company | Optimized drive train for a turbine driven electrical machine |
US6977459B1 (en) * | 2004-05-26 | 2005-12-20 | General Electric Company | Apparatus and methods for anchoring a modular winding to a rotor in an electrical machine |
US6965185B1 (en) | 2004-05-26 | 2005-11-15 | General Electric Company | Variable pitch manifold for rotor cooling in an electrical machine |
US6977460B1 (en) | 2004-08-26 | 2005-12-20 | General Electric Company | Spacer for axial spacing enclosure rings and shields in an electrical machine |
US20080030097A1 (en) * | 2006-06-15 | 2008-02-07 | Bresney Michael J | Wedge modification and design for maintaining rotor coil slot in a generator |
JP2008154391A (ja) * | 2006-12-19 | 2008-07-03 | Mitsubishi Electric Corp | 磁石発電機 |
DE102008018366A1 (de) * | 2008-04-11 | 2009-10-22 | Siemens Aktiengesellschaft | Elektrische Maschine mit einem Blechpaket übereinander gestapelter Bleche mit Ausnehmungen und Verfahren zu dessen Herstellung |
US20100127592A1 (en) * | 2008-11-25 | 2010-05-27 | Dayton-Phoenix Group, Inc. | Stator-slot wedge and dynamoelectric-machine stator having stator slots and wedges |
US10103608B2 (en) | 2015-04-17 | 2018-10-16 | General Electric Company | Generator rotor fretting fatigue crack repair method |
DE102016219739A1 (de) * | 2016-10-11 | 2018-04-12 | Baumüller Nürnberg GmbH | Elektrische Maschine |
US10819196B2 (en) * | 2018-02-14 | 2020-10-27 | Agt Services, Inc. | Electric generators, rotor slot wedges for retaining field coils in slots in rotors of electric generators, and methods of repairing and/or maintaining electric generators and components thereof |
DE102018216586A1 (de) | 2018-09-27 | 2020-04-02 | Siemens Aktiengesellschaft | Verblockungselement für Rotorwickelköpfe bei Turbogeneratoren mit Läuferkappe mit radialen Ventilationsbohrungen |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE717070C (de) * | 1934-09-23 | 1942-02-05 | Franklin Punga | Kuehleinrichtung fuer die Laeufer langer Turbogeneratoren |
US2134795A (en) * | 1936-07-14 | 1938-11-01 | Us Electrical Motors Inc | Magnetic structure for dynamoelectric machines |
US2986664A (en) * | 1959-11-23 | 1961-05-30 | Gen Electric | Diagonal flow direct-cooled dynamoelectric machine rotor |
US3348081A (en) * | 1965-09-16 | 1967-10-17 | Gen Electric | Gap pickup rotor with gas segregating baffles |
US3440462A (en) * | 1966-03-03 | 1969-04-22 | Gen Electric | Dynamoelectric machine gap pick rotor wedges |
US3435263A (en) * | 1966-05-04 | 1969-03-25 | Gen Electric | Gap pickup rotor with radially extended outlets |
US4152610A (en) * | 1973-08-22 | 1979-05-01 | Patentbureau Danubia | Turbogenerator having dual cooling |
FR2294577A1 (fr) * | 1974-12-09 | 1976-07-09 | Alsthom Cgee | Rotor de machine electrique refroidi par circulation de gaz |
US3995180A (en) * | 1975-03-10 | 1976-11-30 | General Electric Company | Generator rotor outlets for increased ventilation |
SE428984B (sv) * | 1980-04-02 | 1983-08-01 | Asea Ab | Gaskyld rotor for turbogenerator |
-
1981
- 1981-01-26 US US06/228,471 patent/US4363982A/en not_active Expired - Lifetime
-
1982
- 1982-01-15 DE DE19823201057 patent/DE3201057A1/de not_active Withdrawn
- 1982-01-25 ES ES1982271898U patent/ES271898Y/es not_active Expired
- 1982-01-25 FR FR8201049A patent/FR2498837A1/fr not_active Withdrawn
- 1982-01-25 IT IT19271/82A patent/IT1152760B/it active
- 1982-01-26 JP JP57009615A patent/JPS57142151A/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
FR2498837A1 (fr) | 1982-07-30 |
US4363982A (en) | 1982-12-14 |
JPS57142151A (en) | 1982-09-02 |
DE3201057A1 (de) | 1982-08-19 |
ES271898U (es) | 1984-04-16 |
IT1152760B (it) | 1987-01-14 |
ES271898Y (es) | 1984-12-01 |
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