Regenerable diesel exhaust filter
OwnerJoseph G. Adilettainventor
Life of this patent
Estimating the term…
Abstract
A filter assembly for removing particulates from the exhaust gas of a diesel engine, comprising a housing having an inlet pipe which may be coupled to the engine and an outlet pipe which may be open to the atmosphere, and a filter arrangement disposed within the housing 22. An exhaust gas flow path is defined from the inlet pipe through the filter arrangement and out the outlet pipe. Each of the components of the filter arrangement are resistant to high temperatures, so that the filter arrangement may be regenerated by heat.
Claims20
An exhaust gas filter assembly for removing particulates from the exhaust gas of an engine, comprising, in combination,
- a housing having an inlet and an outlet and defining an exhaust gas flow path between the inlet and the outlet, the inlet being coupled to the engine to receive exhaust gas therefrom;
- and
- a filter arrangement operatively associated with the housing to communicate with the gas flow path, the filter arrangement being generally cylindrically shaped and including a filter pack having a microporous filter medium for removing particulate contaminants from the exhaust gas, the filter medium being disposed between first and second support members for supporting the filter medium, the first and second support members and the microporous filter medium being pleated and the filter arrangement including a catalyst to facilitate combustion of particulates from the exhaust gas, whereby the exhaust gas flows from the inlet through said filter arrangement to the outlet, said filter arrangement being comprised of materials that are resistant to high temperatures such that said filter arrangement may be regenerated by heat.
An exhaust gas filter assembly for removing particulates from the exhaust gas of an engine, comprising, in combination,
- a housing having an inlet and an outlet and defining an exhaust gas flow path between the inlet and the outlet, the inlet being coupled to the engine to receive exhaust gas therefrom;
- and
- a filter arrangement operatively associated with said housing to communicate with the gas flow path, said filter arrangement being generally cylindrically shaped and including a pleated filter pack having a microporous filter medium for removing particulate contaminants from the exhaust gas, the filter medium being disposed between first and second support members for supporting the filter medium, said filter arrangement being comprised of materials that are resistant to temperatures at least as high as 1500° F.
An exhaust gas filter assembly for removing particulates from the exhaust gas of an engine, comprising, in combination,
- a housing having an inlet and an outlet and defining an exhaust gas flow path between the inlet and the outlet, the inlet being coupled to the engine to receive exhaust gas therefrom;
- and
- a filter arrangement operatively associated with the housing to communicate with the gas flow path, the filter arrangement including a filter pack having a generally cylindrically shaped hollow microporous filter medium for removing particulate contaminants from the exhaust gas, the filter medium being disposed between first and second generally cylindrically shaped hollow support members for supporting the filter medium, the first and second support members and the filter medium being pleated, a perforated core disposed inside the filter pack, first and second sealing members engaging the core and disposed adjacent the first and second ends of the filter pack to reduce exhaust gas bypass around the filter pack, whereby the exhaust gas flows from the inlet through said filter arrangement to the outlet, said filter arrangement being comprised of materials that are resistant to high temperatures such that said filter arrangement may be regenerated by heat.
Dependencies are inferred from the claim text.