Constant pressure sample cylinder with spheroid mixer
US4922764A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Sep 12, 1988 |
| Grant date | May 8, 1990 |
| Priority date | — |
| Expiry date | Sep 12, 2008 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S73/05
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A constant pressure cylinder with a spheroid or ellipsoid mixer is disclosed herein. Improvements include a spheroid or ellipsoid mixing element for mixing the accumulated sample. The mixing element is free to move about the sample chamber but is consturcted in such a way to avoid damage to the interior cylinder walll. Other generally ellipsoid shaped mixing elements are also disclosed. The invention additionally incorporates an improved piston for use in the cylinder. The piston contains a magnet assembly which may be used in conjunction with an invention by a third party to visually display the location of the piston in the cylinder.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.