An exhaust mechanism includes an exhaust pipe, an exhaust port, and a baffle plate. The exhaust pipe has one end connected to an engine and another end opposite to the one end along a length of the exhaust pipe. The exhaust port is provided at another end of the exhaust pipe and extends in a first direction inclined from the height direction along a height of the work vehicle. A length of the exhaust port in the height direction is shorter than a length of the exhaust port in the transverse direction perpendicular to a plane including the first direction and the height direction. The baffle plate is provided in the exhaust port and configured to change an exhaust gas flow from the first direction to the transverse direction.

A plant for the absorption of individual components, such as pollutants or recyclable materials, in gases, in which an absorption solution is brought into contact with the gas in an absorption chamber, where the absorption solution is fed into the absorption chamber through spray nozzles and the gas can be fed into the absorption chamber from below through a vertical inlet duct, where the inlet duct is covered by a roof structure. The roof structure is made up of a large number of lamellae placed one on top of one another and with spaces in between.

A system for sealing components of an exhaust system in an engine system comprises a bellows with an elongated portion. A flange is coupled to the elongated portion, the flange comprising a first portion and a second portion. An extended portion extends between the first portion and the second portion, the extended portion defining a gap and having a cross-sectional shape different than the first portion and the second portion. A connector is configured to couple an aftertreatment system to the flange. The connector comprises a sealing surface adjacent to the flange. A sealing component is sized and configured to fit partially within the gap and contact the sealing surface to create a seal between the extended portion and the sealing surface.

A tractor including: an engine mounted on a traveling body; a post-processing device configured to purify exhaust gas of the engine; and a tail pipe long in an up-down direction and configured to emit exhaust gas having passed through the post-processing device to the outside. The post-processing device is arranged in a standing posture in front of an operation unit on the traveling body so that the exhaust gas flows from the bottom to the top. An upwardly protruding outlet pipe is provided on an upper surface side of the post-processing device. The inner diameter of an exhaust gas inlet side of the tail pipe is set larger than the outer diameter of the outlet pipe which is inserted and communicated with the exhaust gas inlet side of the tail pipe.

The present disclosure provides a rain shield assembly, a pipe assembly and a turbine fracturing unit. The rain shield assembly comprises at least two sets of cover plate assemblies, wherein each set of cover plate assembly comprises a cover plate, a transmission mechanism and a locking device. When the cover plate(s) is(are) at a closed position, the opening is covered; when the cover plate of each set of cover plate assembly is at an open position, an additional pipe structure which is open at both ends and extends along an extension direction of the pipe is formed by which. According to the present disclosure, the cover plate(s) of the rain shield assembly, when opened, will jointly form an additional pipe structure connected to the open end of the pipe to guide the exhaust gas of the pipe to a further space. Such an arrangement may reduce noise on the one hand, and prevent backflow of the exhaust gas on the other hand. The cover plate(s) of the rain shield assembly, when closed, can shield the opening of the pipe to prevent entry of rainwater.

The present invention relates to an improved turbocharger assembly, particularly of the variable geometry type. The improved turbocharge assembly contains a turbine. The turbine includes an impeller housed in a casing, a flange that can be sealingly associated with a corresponding flange of an exhaust gas manifold of an engine, and a clapet valve that contains a shutter element and a housing seat. The housing seat is fashioned in a frame made in one piece with the casing.

A tractor including: an engine mounted on a traveling body; a post-processing device configured to purify exhaust gas of the engine; and a tail pipe long in an up-down direction and configured to emit exhaust gas having passed through the post-processing device to the outside. The post-processing device is arranged in a standing posture in front of an operation unit on the traveling body so that the exhaust gas flows from the bottom to the top. An upwardly protruding outlet pipe is provided on an upper surface side of the post-processing device. The inner diameter of an exhaust gas inlet side of the tail pipe is set larger than the outer diameter of the outlet pipe which is inserted and communicated with the exhaust gas inlet side of the tail pipe.

A system for sealing components of an exhaust system in an engine system comprises a bellows with an elongated portion. A flange is coupled to the elongated portion, the flange comprising a first portion and a second portion. An extended portion extends between the first portion and the second portion, the extended portion defining a gap and having a cross-sectional shape different than the first portion and the second portion. A connector is configured to couple an aftertreatment system to the flange. The connector comprises a sealing surface adjacent to the flange. A sealing component is sized and configured to fit partially within the gap and contact the sealing surface to create a seal between the extended portion and the sealing surface.

A controller calculates a predicted value of the exhaust pressure between a catalyst and a filter for a case in which engine fuel containing no manganese is used continuously. Also, the controller calculates a correlation value proportional to the amount of heat received by the catalyst when the catalyst temperature is higher than or equal to the adhesion temperature of manganese oxide. Further, the controller determines that there is a removal requirement for removing manganese oxide from the catalyst when the difference between the predicted value and the detected pressure of the exhaust pressure between the catalyst and the filter is greater than a specified determination value, and the correlation value is greater than or equal to a specified determination value. The controller executes the removal process by performing fuel amount increase control when it is determined that there is a removal requirement.

A modular tailpipe riser kit includes a plurality of conduit modules that are selectively connectable to each other to support flow of exhaust gases through connected conduit modules. The plurality of conduit modules include a tailpipe coupling having a first end receivable and selectively securable to the outer surface of a tailpipe of an automobile, an elbow selectively connectable to the tailpipe coupling, and a riser extension selectively connectable to the elbow. The modular tailpipe riser kit further include a circumferential clamp that is receivable about the tailpipe coupling for selectively securing the tailpipe coupling about the outer surface of the tailpipe. A tailpipe riser that is fully assembled and ready for installation may also be provided.