Evacuation pump control for a centrifuge instrument
US4857811A · kind A · utility
15Cited by
12References
4Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 31, 1988 |
| Grant date | Aug 15, 1989 |
| Priority date | — |
| Expiry date | Mar 31, 2008 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S388/933
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A centrifuge instrument has a vacuum pump responsive to a rotor recognition arrangement. The pump is operative to provide a predetermined pressure level in the chamber compatible with which one of a plurality of rotors is mounted within the chamber. The requested angular velocity can also be used to control the pressure level in the chamber.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.