Abstract: A hydrocarbon adsorption assembly is shown, wherein the hydrocarbon adsorption assembly is disposed in an encapsulating layer adapted to be received by an air filter of an automobile.

Abstract: A filtration device is disclosed, wherein filtering layers are formed from foam and include convolutions formed in at least one surface thereof.

Abstract: A filtration device is disclosed, wherein filtering layers are formed from foam and include convolutions formed in at least one surface thereof.

Abstract: A hydrocarbon adsorption assembly is shown, wherein the hydrocarbon adsorption assembly is disposed in an encapsulating layer adapted to be received by an air filter of an automobile.

Abstract: An invention for controlling hydrocarbon emissions diffusing from a throttle body through an air path of an air induction system after engine shut-off. The invention includes a pourous membrane loaded with carbon positioned in fluid communication with the emissions for adsorbing the emissions.

Abstract: A pre-separator removes contaminants from dirty air and an air intake system of an automobile engine. The pre-separator includes a central body connected to a plurality of vanes, the central body including a leading nose-cone portion and a trailing nose-cone portion. An exit tube defines an outlet that is sized and positioned relative to the central body. The pre-separator is capable of easy packaging within the air intake system, while minimizing the restriction and maximizing horsepower of the engine. In one embodiment, the separation efficiency, the restriction, and acoustic tuning may be selectively controlled for the particular application.

Abstract: An invention for controlling hydrocarbon emissions diffusing from a throttle body through an air path of an air induction system after engine shut-off. The invention includes a pourous membrane loaded with carbon positioned in fluid communication with the emissions for adsorbing the emissions.

Abstract: A pre-separator removes contaminants from dirty air and an air intake system of an automobile engine. The pre-separator includes a central body connected to a plurality of vanes, the central body including a leading nose-cone portion and a trailing nose-cone portion. An exit tube defines an outlet that is sized and positioned relative to the central body. The pre-separator is capable of easy packaging within the air intake system, while minimizing the restriction and maximizing horsepower of the engine. In one embodiment, the separation efficiency, the restriction, and acoustic tuning may be selectively controlled for the particular application.

Abstract: A single field ionizing electrically stimulated filter utilizing a non-conductive filter medium is charged by an electric field created between an ionizer space-apart from the upstream face of the filter media and an electrode placed in close proximity with the downstream face of the filter media. The ionizer and electrode are respectively supplied with differing high voltage potentials. For optimum efficiency, the electrode at least loosely contacts the downstream face of the filter media. HEPA glass filter media in sheet form is pleated and sealingly mounted in a nonconductive frame, with the pleats spaced apart by non-conductive spacer means applied across the filter media faces. The ionizer includes a plurality of ionizer wires extending across a nonconductive frame and spaced back from the frame's downstream face so that gap is maintained between the ionizer wires and the filter medium.