Device for cooling excitation-current supply lines in liquid-cooled turbogenerator rotors
US3955111A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Sep 9, 1974 |
| Grant date | May 4, 1976 |
| Priority date | — |
| Expiry date | Sep 9, 1994 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH02K9/28
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
Device for cooling excitation-current supply lines in a shaft connected at one end thereof to a liquid-cooled turbogeneration rotor having coil windings mounted thereon, the excitation-current supply lines being disposed in bifilar fashion within a bore formed along the axis of the shaft, includes coolant supply and discharge channels for the coil windings extending in the shaft coaxially to the excitation supply lines, the coolant supply and discharge channels being subdivided into a multiplicity of individual sub-channels extending in the shaft at minimal spacing from the axial bore for the excitation-current supply lines, and a coolant collecting chamber surrounding the rotor shaft, the sub-channels terminating through radial bores with the coolant collecting chamber at the rotor end of the shaft.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.