Patent · US Expired

Device for observing a hot reaction space in the interior of a reactor operating at increased pressure

US4893912A · kind A · utility

7Cited by

10References

3Claims

0Family size

Assignee

Krupp Koppers GmbH · DE

Inventors

Klaus Kohnen · Mülheim, DE
Hans Niermann · Essen, DE
Lothar Semrau · Essen, DE

Key dates

Filing date	Nov 7, 1985
Grant date	Jan 16, 1990
Priority date	—
Expiry date	Nov 7, 2005

Classification

Technology area (CPC B)Performing Operations; Transporting
CPC primaryB01J2219/0027
WIPO fieldBasic materials chemistry
WIPO sectorChemistry

Abstract

A tubular housing is provided at one end thereof with a protective glass prism facing an observation opening in a pressurized reactor. The other end of the housing is closed and the intermediate part thereof supports an inclined mirror. A viewing tubular piece is arranged transversely to the tubular housing to receive light rays reflected from the mirror. The free end of the viewing piece is also provided with a protective glass prism.

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