Patent · US Active

Heating device for rotary drum freeze-dryer

US11512898B2 · kind B2 · utility

1Cited by

17References

25Claims

0Family size

Assignee

Sanofi Pasteur SA · FR

Inventors

Thomas Gebhard · Kandern, DE
Roland Kaiser · Weil am Rhein, DE
Matthias Plitzko · Neuenbürg, DE
Manfred Struschka · Auggen, DE
Bernhard Luy · Glückstadt, DE

Key dates

Filing date	Oct 16, 2019
Grant date	Nov 29, 2022
Priority date	—
Expiry date	Nov 4, 2039

Classification

Technology area (CPC F)Mechanical Engineering; Lighting; Heating
CPC primaryF26B11/026
WIPO fieldChemical engineering
WIPO sectorChemistry

Abstract

A heating device (124) for heating particles to be freeze-dried in a rotary drum (102) of a freeze-dryer (100) is provided, the device comprising at least one radiation emitter (202) for applying radiation heat to the particles, and a tube-shaped separator (204) for separating the particles from the at least one emitter (202), The separator (202) being integrally closed at one end and separating an emitter volume (206) encompassing the at least one emitter (202) from a drum process volume (126) inside the drum (102), wherein the heating device (124) protrudes into the drum process volume (126) such that said integrally closed end of the separator (204) is arranged inside the drum (102) as a free end.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.