A fine particle detector includes: a casing part configured to accommodate an object to be heated; an electromagnetic wave generating part configured to generate electromagnetic waves of different frequencies; at least one power sensor configured to measure powers, from the casing part, of the electromagnetic waves that have entered into the casing part; and a fine particle detection controlling part configured to determine, based on the powers of the electromagnetic waves of the different frequencies measured by the at least one power sensor, whether an accumulated amount of fine particles accumulated in the object to be heated is greater than or equal to a predetermined accumulated amount.

An exhaust tailpipe/emissions filter employs a reusable/replaceable insert and is configured to slide into and/or onto the exhaust tailpipe of an automobile to reduce air pollution.

An exhaust gas purification device for a vehicle comprises a coil configured to generate an electromagnetic field, a magnetic flux concentrator, surrounding the coil and configured to conduct the electromagnetic field generated by the coil, and an exhaust gas purification substrate. The exhaust gas purification substrate comprises an upstream segment having an upstream section, and a downstream segment having a downstream section. The exhaust gas purification substrate further comprises at least one intermediate segment between the upstream segment and the downstream segment, the intermediate segment having a central section smaller than the upstream section and/or the downstream section.

An electrical connection for an electrical component in an exhaust gas system. The exhaust gas system has a metal casing through which an electrical conductor is routed. The connection has the conductor, an electrical insulation surrounding the conductor, and a metal bushing surrounding the insulation and the conductor, all together extend along a center axis. The insulation extends along the center axis beyond the bushing by an insulation gap of at least 2 mm at least at a first end of the connection.

An exhaust gas treatment system (1) comprises a catalyst article (5) for the treatment of an exhaust gas, the catalyst article (5) comprising a non-metallic substrate (20) comprising a plurality of catalytically-active transition-metal-doped iron oxide magnetic particles (45), and an inductive heater (70) for inductively heating the plurality of catalytically-active magnetic particles by applying an alternating magnetic field.

A contaminant reducing device is provided. The contaminant reducing device comprises: an exhaust gas tube for supplying exhaust gas from a combustion engine; a cleaning water supply tube for supplying cleaning water; a scrubber for spraying cleaning water, which is supplied through the cleaning water supply tube, to exhaust gas supplied through the exhaust gas tube; an oxidation unit connected to the exhaust gas tube so as to oxidize the exhaust gas by discharging electricity, emitting ultraviolent rays, or spraying an oxidizer; and a cleaning water discharge tube for discharging cleaning water from inside the scrubber.

Described herein is an exhaust air pollution elimination device configured for attachment to an exhaust pipe of an internal combustion engine for removing pollutants from an exhaust flow. The device comprising multiple stages configured to both power the operation of the device and treat the exhaust flow. The device configured for installation in line with existing exhaust piping and through a pair of connecting rings. The multiple stages of the device including an electrostatic precipitator, a thermoelectric generator, an electromagnetic induction device, and a second container including a UV light source and micro fibrous mesh containing titanium dioxide.

A system for reutilizing exhaust energy including a decomposition reactor, a turbine including a magnet, the turbine in fluid communication with the decomposition reactor, a coil disposed proximate to the decomposition reactor, the coil electrically coupled to the magnet, and a controller communicatively coupled to the turbine, the controller structured to determine exhaust energy output of a turbine associated with an exhaust system, and cause generation of a magnetic field based on the exhaust energy output, wherein the magnetic field causes a portion of the decomposition reactor to heat.

An exhaust tailpipe/emissions filter employs a reusable/replaceable insert and is configured to slide into and/or onto the exhaust tailpipe of the automobile to reduce air pollution.

A cleaning system for removal of contaminants from a surface of a vehicle component exposed to a gas or fluid flow, the cleaning system comprising: an excitation device adapted to be attached to the vehicle component in the vicinity of the surface exposed to contaminants, wherein the excitation device is configured to cause the surface to mechanically vibrate by transferring a vibrational excitation to the surface; wherein the frequency of the vibrational excitation is controllable to be based on the configuration of the vehicle component as well as other modelled/measured parameters.