Separator for separating tobacco particles from a tobacco/gas mixture

US4938235A · kind A · utility

Assignee

• B.A.T. Cigarettenfabriken GmbH · DE

Inventors

• Werner Hirsch · Hamburg, DE
• Arno Weiss · Norderstedt, DE

Key dates

• Filing date: Jul 29, 1988
• Grant date: Jul 3, 1990
• Expiry date: Jul 29, 2008

Classification

• Technology area (CPC B): Performing Operations; Transporting
• CPC primary: B07B7/08
• WIPO field: Chemical engineering
• WIPO sector: Chemistry

Abstract

A separator for separating tobacco particles from a tobacco/gas mixture comprises a hood, a circular deflection space disposed in the hood, an inlet for the tobacco/gas mixture to be separated opening tangentially into the circular deflection space, a downwardly directed outlet in the deflection space for the tobacco particles, an outlet for the tobacco particles at the lower end of the hood, and an outlet for the gas above the deflection space. The deflection space is formed by an upwardly closed and downwardly open cylinder; the gas is withdrawn from the hood above the deflection space; the size ratio of the area of the deflection space to the area of the inlet lies between 5 and 30; and the size ratio of the area of the hood to the area of the inlet is greater than 50.