High pressure bushing of rotating electrical machine and rotating electrical machine
US9159475B2 · kind B2 · utility
0Cited by
7References
16Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 30, 2013 |
| Grant date | Oct 13, 2015 |
| Priority date | — |
| Expiry date | Nov 3, 2033 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH02K9/00
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
According to one embodiment, there is provided a high pressure bushing arranged through by penetrating a stator frame of a rotating electrical machine in which a cooling gas is sealed. At least a communicating hole is provided in the hollow connecting conductor and at least a reflux hole is provided in the gas circulation pipe, such that the cooling gas flows in both of the first gap and the second gap, passes through an inner side of the gas circulation pipe, and is discharged to the machine inner side.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.