Drive positioning mechanism for a variable pipe diffuser
US5895204A · kind A · utility
16Cited by
15References
6Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 6, 1997 |
| Grant date | Apr 20, 1999 |
| Priority date | — |
| Expiry date | Aug 6, 2017 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T74/2063
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
A drive positioning mechanism for use in a variable pipe diffuser for a centrifugal compressor. A rotational drives means is fixedly attached to the housing of a centrifugal compressor with a pinion gear mounted thereto. A rack gear is mounted to the inner ring and adapted to engage in meshing arrangement with the pinion gear. The rotational drive means is operable to position the inner ring between a fully open position and a partially closed position. A travel limiter is provided to positively limited the travel of the inner ring at the filly open and the partially closed positions.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.