Rotary drum for use in a vacuum freeze-dryer
US9347707B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Oct 4, 2012 |
| Grant date | May 24, 2016 |
| Priority date | — |
| Expiry date | Oct 4, 2032 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF26B25/16
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A rotary drum (302) for use within a vacuum chamber (212) in a vacuum freeze-dryer (204) for the bulkware production of freeze-dried particles is provided. The drum (302) is in open communication with the vacuum chamber (212) and comprises a main section (304) terminated by a front plate (306) and a rear plate (308), the rear plate (308) is adapted for connection with a rotary supporting shaft (312) for rotary support of the drum (302), and the rear plate (308) is permeable for sublimation vapor from freeze-drying the particles.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.