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US 7,877,989 B1Granted
Filter for vehicle exhaust system
OwnerBilly Kirschinventor
Life of this patent
Estimating the term…
Abstract
A vehicle exhaust system includes a catalytic converter connected to an exhaust pipe. An exhaust filter is connected to the exhaust pipe downstream from the catalytic converter. The exhaust filter is a charcoal filter that filters particulates from the air flow in the exhaust pipe. The exhaust filter is threadingly engaged with the exhaust pipe and is disposable.
Claims20
A vehicle exhaust system, comprising:
- an exhaust pipe;
- a catalytic converter connected to the exhaust pipe;
- and
- a filter connected to the exhaust pipe downstream from the catalytic converter, wherein the filter includes a first hollow body member adjacent to a filter member, the filter member including a second hollow body member positioned between opposed mesh screens, and charcoal positioned between the opposed meshed screens.
1 more element
A vehicle exhaust system, comprising:
- a catalytic converter;
- a disposable filter;
- and
- an exhaust pipe connected between the catalytic converter and disposable filter, the disposable filter filtering exhaust from the catalytic converter,
- wherein the disposable filter includes a first filter member having a flow diverter adjacent to a first hollow body member and a second filter member having a second hollow body member positioned between opposed mesh screens, and charcoal positioned between the opposed meshed screens.
2 more elements
A vehicle, comprising:
- a catalytic converter which receives an engine exhaust from a vehicle engine;
- and
- an exhaust filter which receives a converter exhaust from the catalytic converter and filters it to provide a filter exhaust,
- wherein the exhaust filter includes a first filter member having a first hollow body member positioned between a first screen and a flow diverter, and a heat dissipation material positioned between the first screen and flow diverter, the exhaust filter including a second filter member having a second hollow body member positioned between opposed mesh screens, and charcoal positioned between the opposed meshed screens.
1 more element
Dependencies are inferred from the claim text.