CA2151162A1 - Exhaust Gas Filter - Google Patents
Exhaust Gas FilterInfo
- Publication number
- CA2151162A1 CA2151162A1 CA 2151162 CA2151162A CA2151162A1 CA 2151162 A1 CA2151162 A1 CA 2151162A1 CA 2151162 CA2151162 CA 2151162 CA 2151162 A CA2151162 A CA 2151162A CA 2151162 A1 CA2151162 A1 CA 2151162A1
- Authority
- CA
- Canada
- Prior art keywords
- filter
- ceramic
- electrodes
- exhaust gas
- discs
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Landscapes
- Processes For Solid Components From Exhaust (AREA)
- Filtering Of Dispersed Particles In Gases (AREA)
Abstract
An electrically conducting ceramic composition is described which can be utilized in an exhaust gas filter.
The ceramic composition is compacted into discs or ceramic plates, are subsequently fired or sintered and then equipped with electrodes. Electrode leads are attached to the sintered filter discs or plates bearing electrodes which are subsequently connected to a power source. The ceramic filter discs or plates are supported and enclosed in a metallic housing. In another embodiment an insulator ring is placed between the housing and the ceramic filter plate. The housing enclosing the ceramic filter or filters, and equipped with electrodes and appropriate leads, is incorporated in the exhaust system of an internal combustion engine. The ceramic filter is used for trapping combustible carbon particles carried by the exhaust gas emanating from the engine. The carbon particles collected by the filter can be eliminated by heat generated electrically by means of an electrical current being passed through the filter between the electrodes when so desired.
The ceramic composition is compacted into discs or ceramic plates, are subsequently fired or sintered and then equipped with electrodes. Electrode leads are attached to the sintered filter discs or plates bearing electrodes which are subsequently connected to a power source. The ceramic filter discs or plates are supported and enclosed in a metallic housing. In another embodiment an insulator ring is placed between the housing and the ceramic filter plate. The housing enclosing the ceramic filter or filters, and equipped with electrodes and appropriate leads, is incorporated in the exhaust system of an internal combustion engine. The ceramic filter is used for trapping combustible carbon particles carried by the exhaust gas emanating from the engine. The carbon particles collected by the filter can be eliminated by heat generated electrically by means of an electrical current being passed through the filter between the electrodes when so desired.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US08/338,731 | 1994-11-09 | ||
US08/338,731 US5423904A (en) | 1993-05-28 | 1994-11-09 | Exhaust gas filter |
Publications (2)
Publication Number | Publication Date |
---|---|
CA2151162A1 true CA2151162A1 (en) | 1996-05-10 |
CA2151162C CA2151162C (en) | 1998-08-04 |
Family
ID=23325933
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA 2151162 Expired - Fee Related CA2151162C (en) | 1994-11-09 | 1995-06-07 | Exhaust gas filter |
Country Status (1)
Country | Link |
---|---|
CA (1) | CA2151162C (en) |
-
1995
- 1995-06-07 CA CA 2151162 patent/CA2151162C/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
CA2151162C (en) | 1998-08-04 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
EEER | Examination request | ||
MKLA | Lapsed |
Effective date: 20140609 |