9 results about "Diesel particulate filter" patented technology

The application discloses a device for detecting the number of particulate matters, which comprises a collecting device arranged on a roadbed and used for collecting exhaust gas of diesel vehicles, the collecting device is used for collecting the exhaust gas of the passing diesel vehicles; a diesel particulate filter arranged in the roadbed and used for filtering the exhaust gas; a license plate collector arranged on a portal frame, the collector is used for collecting the license plate of the passing vehicles; a controller arranged on one side of the portal frame, the controller is internally provided with an electric control system; the controller is electrically connected with the license plate collector and the collecting device, the controller controls the starting of the collecting device according to the type of the passing vehicles by judging the license plate of the vehicles; the license plate collector faces the direction of the vehicle travel, and the collecting device is located on the side of the license plate collector away from the direction of the vehicle travel. The device has the effects of collecting the exhaust gas for analysis and reducing the influence of external factors.

A fire fighting vehicle includes a chassis, an engine configured to produce exhaust gas, and an exhaust aftertreatment system including a first housing including a first housing inlet fluidly coupled with the engine and configured to receive the exhaust gas, a diesel oxidation catalyst (DOC) disposed within the first housing, the DOC positioned to receive the exhaust gas from the first housing inlet, a diesel particulate filter (DPF) disposed within the first housing, the DPF positioned to receive the exhaust gas from the DOC, a second housing including a second housing inlet configured to receive the exhaust gas from the first housing, a selective catalytic reduction catalyst (SCR) disposed within the second housing, the SCR positioned to receive the exhaust gas from the second housing inlet, and a thermal management system including a heater coupled with at least one of the first housing or the second housing.

The present application relates to a kind of diesel engine particle filter device with anti-blocking monitoring function, including shell, shell side wall is provided with pressure sensor, end is provided with oil inlet and oil outlet, also include filter core assembly and spare filter mechanism, spare filter mechanism is used to enable when filter piece flow drops, supplement oil flow.This filter device is provided with spare filter piece in central cylinder, so that bypass valve opens spare filter piece is put into use, carries out auxiliary filtration, the auxiliary filtration makes the oil of emergency supplement flow can also carry out particle filtering, spare filter piece is put into use with bypass valve opening, this setting makes spare filter piece when not using, vertical setting is in lower cylinder body, spare filter piece two sides do not have pressure difference, during spare, it will not be repeatedly low pressure high pressure oil impact, only when put into use, it is transversely placed in lower cylinder body, and hidden in central cylinder, will not cause the increase of overall device volume.

A fire fighting vehicle includes a chassis including a first frame rail and a second frame rail extending in a longitudinal direction, an engine configured to produce exhaust gas, and an exhaust aftertreatment system including a first housing including a first housing inlet fluidly coupled with the engine to receive the exhaust gas, a diesel oxidation catalyst (DOC) disposed within the first housing and configured to receive the exhaust gas from the first housing inlet, a diesel particulate filter (DPF) disposed within the first housing and configured to receive the exhaust gas from the DOC, a second housing including a second housing inlet configured to receive the exhaust gas from the first housing, a selective catalytic reduction catalyst (SCR) disposed within the second housing and configured to receive the exhaust gas from the second housing inlet, and an intermediate pipe fluidly coupling the first housing with the second housing.

A filter cartridge assembly (300,fig.5) for an aftertreatment unit (200,fig.5) comprising a diesel particulate filter (DPF) assembly 310 which includes a DPF housing 312. The DPF housing has a first c

Use of a deposit control additive composition in a diesel fuel composition, wherein the deposit control additive composition comprises an imide containing quaternary ammonium salt ('imide quat'), wherein the imide quat comprises the reaction product of: (a) a quaternizable compound that is the reaction product of: (i) a hydrocarbyl-substituted acylating agent, wherein the hydrocarbyl-substituent has a number average molecular weight ranging from 100 to 10000, and (ii) a nitrogen containing compound having a nitrogen atom capable of reacting with said hydrocarbyl- substituted acylating agent to form an imide, and further having at least one quaternizable amino group; and (b) a quaternizing agent suitable for converting the quaternizable amino group of the nitrogen containing compound to a quaternary nitrogen, for reducing the measured regeneration frequency of a diesel particulate filter in a vehicle combusting the diesel fuel composition.

Engine exhaust system comprising a diesel particulate filter (6) and a thermal fuse (12) arranged in the exhaust path through or from the filter (6), wherein the thermal fuse comprises a body (24) made of an electrically conductive, fusible material into which extends a pair of electrical contacts (22) made of a material having a higher melting point than the fusible material, wherein the thermal fuse (12) comprises a housing (14) in which the body (24) made of fusible material is arranged, and characterized by the fact that the casing (14) is tubular and open at one end to allow the fusible material to flow out when it is molten.