Active magnetic seal
US5064205A · kind A · utility
20Cited by
14References
19Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | May 23, 1990 |
| Grant date | Nov 12, 1991 |
| Priority date | — |
| Expiry date | May 23, 2010 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16J15/3444
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
An active magnetic seal for controlling leakage from turbine shafts or other rotating equipment by the inclusion of circumferential electromagnet windings forming a dynamically controllable magnetic gap between the axial borders of rotor and stator elements.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.