Patent · US Expired

Device for removing solid particles from exhaust gas of an internal combustion engine

US4718923A · kind A · utility

20Cited by

8References

12Claims

0Family size

Assignee

Robert Bosch GmbH · DE

Inventors

Gottlob Haag · Markgröningen, DE
Hubert Dettling · Waiblingen, DE
Rolf Leonhard · Schwieberdingen, DE
Ernst Linder · Mühlacker, DE

Key dates

Filing date	Dec 18, 1985
Grant date	Jan 12, 1988
Priority date	—
Expiry date	Dec 18, 2005

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10S55/38
WIPO fieldChemical engineering
WIPO sectorChemistry

Abstract

A device for the removal of solid particles, particularly soot particles, from exhaust gas discharged from an internal combustion engine includes an electrofilter comprised of a plurality of parallel filter tubes each having a separator tube connected to a positive terminal of a high voltage source and a corona discharge electrode connected to a negative terminal of the high voltage source, and a centrifugal separator formed as a multi-cyclone the cyclones of which are arranged in an axial extension of the electrofilter and are connected to the same.

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