Provided is an in-combustion chamber flow control device used in an engine having an intake passage connected to an intake opening formed in a ceiling surface of a combustion chamber, at an angle inclined with respect to a direction of an axis of a cylinder. This in-combustion chamber flow control device comprises a plasma actuator (28) disposed inside the combustion chamber (16). The plasma actuator comprises: a dielectric body (38) disposed along the ceiling surface (16a) of the combustion chamber, at a position closer to a center of the ceiling surface than the intake opening (18a); an exposed electrode (40) disposed on one side of the dielectric body facing the combustion chamber; and an embedded electrode (42) disposed on a side opposite to the exposed electrode across the dielectric body. The embedded electrode is disposed at a position closer to the intake opening than the exposed electrode.

Disclosed are systems, methods, and devices for generating radicals in an air stream at the intake of an internal combustion engine, as well as increasing the thrust of such air streams into the engine. A plasma generator including plasma actuators, dielectric barrier discharge electrodes, or both is positioned in the intake stream. Plasma actuators are disposed on the interior surface of the plasma generator, exposed to the intake stream. Dielectric barrier discharge electrodes protrude into the intake air stream. Plasma, preferably DBD plasma, glow plasma, or filamentary plasma, is generated in the air intake stream, creating radicals in the stream, mixing the radicals in the stream, and reducing drag while increasing thrust of air in the intake stream. A concentric cylinder can be further disposed in the plasma generator, with further plasma actuators, dielectric barrier discharge electrodes, or both, on the interior and exterior surfaces of the cylinder.

A device and a method for improving combustion are disclosed. In an embodiment the device includes a combustion chamber including at least one combustion chamber inlet for feeding in fuel or air or the fuel/air mixture, a reactor chamber connected upstream of the combustion chamber, the reactor chamber comprising a plasma generator, wherein the plasma generator is a piezoelectric transformer configured to operate with a low voltage and a control apparatus for the plasma generator, wherein the device is configured in such a way that even before a start of an actual combustion process at least one gaseous component in the reactor chamber is enriched with radicals and ions by the plasma generator.

A combustion assist device is provided in an internal combustion engine provided with a fuel injector for injecting at least a portion of fuel into an intake manifold. Further, the combustion assist device is provided with an electrode element which is provided in the intake manifold and to which a high frequency high voltage is applied. The electrode element includes a dielectric material plate, a first metal conductor, and a second metal conductor. The dielectric material plate includes a first surface and a second surface, and divides a portion of the intake manifold into a first flow path on a first surface side and a second flow path on a second surface side. The first metal conductor is provided on the first surface. The second metal conductor is provided on the second surface.

This invention relates to a device for increasing fuel efficiency and reducing post-combustion pollutant gas emission for internal combustion engines. In one embodiment, the present invention discloses a device with an inner circular electrode with gear-shaped outer circumference and an outer cylindrical electrode. The generated plasma between electrodes breaks the air molecules, and forms ozone and charged moieties, significantly improving the combustion efficiency and post-combustion pollutant gas emission. In one embodiment, the device further comprises one or more brushes. In one embodiment, the invention also discloses a system comprising: 1) the device described herein, 2) a voltage controlling system, and 3) a humidity controlling system. In one embodiment, the fuel consumption can be reduced by 2% to 55%. In one embodiment, the pollutant gas emission can be reduced by 25% to 99%.

The disclosure herein relates to devices for improving combustion engine performance. More specifically, the present disclosure relates to ionizing devices for improving combustion engine performance. Engine improvements include, but are not limited to reducing emissions, improving fuel efficiency, improving power, and reducing engine noise in combustion engines that utilizes a computer to control the air/fuel mixture.

The present invention provides methods and systems for an ion generator mounting device for application of bipolar ionization to airflow within a conduit, the device includes a housing for mounting to the conduit having an internal panel within the enclosure, and an arm extending from the housing for extension into the conduit and containing at least one opening. At least one coupling for mounting an ion generator to the arm oriented with an axis extending between a pair of electrodes of the ion generator being generally perpendicular to a flow direction of the airflow within the conduit.

Provided is an in-combustion chamber flow control device used in an engine having an intake passage connected to an intake opening formed in a ceiling surface of a combustion chamber, at an angle inclined with respect to a direction of an axis of a cylinder. This in-combustion chamber flow control device comprises a plasma actuator (28) disposed inside the combustion chamber (16). The plasma actuator comprises: a dielectric body (38) disposed along the ceiling surface (16a) of the combustion chamber, at a position closer to a center of the ceiling surface than the intake opening (18a); an exposed electrode (40) disposed on one side of the dielectric body facing the combustion chamber; and an embedded electrode (42) disposed on a side opposite to the exposed electrode across the dielectric body. The embedded electrode is disposed at a position closer to the intake opening than the exposed electrode.

The disclosure herein relates to devices for improving combustion engine performance. More specifically, the present disclosure relates to ionizing devices for improving combustion engine performance. Engine improvements include, but are not limited to reducing emissions, improving fuel efficiency, improving power, and reducing engine noise in combustion engines that utilizes a computer to control the air/fuel mixture.

A system and method of treating air. Bipolar ionization is delivered to an airflow within a conduit from a tubeless ion generator. The ionized airflow may be delivered to a conditioned airspace by an HVAC system. In alternate applications, the airflow delivers ionized combustion air to an engine. The invention also includes a mounting assembly for positioning one or more ion generators into an airflow.