Patent · US Active

Conveying and lock system

US8282332B2 · kind B2 · utility

3Cited by

6References

25Claims

0Family size

Assignee

Nill-Tech GmbH · DE

Inventors

Eberhard Nill · Eßlingen, DE
Anton Schmillen · Schrobenhausen, DE

Key dates

Filing date	Nov 23, 2006
Grant date	Oct 9, 2012
Priority date	—
Expiry date	Nov 21, 2029

Classification

Technology area (CPC B)Performing Operations; Transporting
CPC primaryB01J2208/00769
WIPO fieldChemical engineering
WIPO sectorChemistry

Abstract

A conveying and lock system (10) for introducing a bulk material into a reactor (14) with exclusion of gas and while preventing gas exchange at low pressure differences has a screw shaft (44) on which first windings (46) and second windings (48) are formed. A winding-free section (50) is disposed between the first and the second windings (46, 48) in which the conveyed bulk material is compacted. The compacting causes a bulk material plug which is substantially gas free and, during bulk material transport, the bulk material plug is constantly formed in the conveying and lock system (10) by the screw shaft (44) to prevent gas exchange between the product inlet and the product outlet of the conveying and lock system.

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