TH34154B - Systems that purify flue gases - Google Patents

Abstract

DC60 [problem] to provide engine with function that purifies exhaust gas and inhibits reduction of oxygen duty. Even in the case of the downstream gas eliminator are arranged far from the internal combustion engine. [Remedy] In engines with exhaust gas purification function, the exhaust 20 connected to the 15a internal combustion engine includes a support section. Upstream degassing 22 supporting upstream degassing 50 and backing Downstream degassers 25, which accommodate degassers 51 downstream, where the secondary air inlet 52 feeds the secondary air to the exhaust gases. will be connected to the side The upstream degassing support 50 in the upstream degassing support 22 and upstream degassing support 22 consist of a wall assembly such as One or more pieces extending from the upstream degasser 50 to the connection between the upstream degassing support 22 and the secondary air intake 52 to be built as a unit. that [Selected painting] Fig. 3 [Problem] To equip an engine with a function that purifies exhaust gases and inhibits the reduction of oxygen duty. Even in the case of the downstream gas eliminator are arranged far from the internal combustion engine. [Remedy] In engines with exhaust gas purification function, the exhaust 20 connected to the 15a internal combustion engine includes a support section. Upstream degassing 22 supporting upstream degassing 50 and backing Downstream degassers 25, which accommodate degassers 51 downstream, where the secondary air inlet 52 feeds the secondary air to the exhaust gases. will be connected to the side The upstream degassing support 50 in the upstream degassing support 22 and upstream degassing support 22 consist of a wall assembly such as One or more pieces extending from the upstream degasser 50 to the connection between the upstream degassing support 22 and the secondary air intake 52 to be built as a unit. that [Selected painting] Figure 3

Claims (2)

Claims (all) which will not appear on the advertisement page: 1. Exhaust gas system with exhaust (20) where such exhaust Was connected to The internal combustion engine (15a) and the source toxic gas eliminator (22) to accommodate the source toxic gas eliminator (50) and the upstream toxic gas purifier support (25) to accommodate the downstream gas eliminator. Endpoint poisoning (51) and with secondary air intake (52) for feeding secondary air to the flue gas. Where the secondary air intake (52) is connected to the source end of the source exhaust gas elimination support (22). ) From the secondary air intake pipe (52) flows backward towards the origin side in the direction of Eliminator end of the source (50), Eliminator support The source of poison (22) consists of at least one wall assembly leading to the side. The source of toxic gas eliminator (50) has the characteristics that The wall assembly leads to the connection (22g) between the supports. Eliminate the toxic gas at the source (22) and secondary air inlet (52) so that it is created as The same unit as that, in which the secondary air inlet (52) is connected to the slip valve assembly (56), which will allow only the secondary air flow towards the exhaust pipe (20) but inhibit the flow. Of secondary air in the reverse direction in which the wall assembly of the part The source side (22) toxic gas eliminator (22) will be built to consist of one wall assembly (22m) and a second wall assembly (22n) welded to the edge and the edge to which it is connected. The first wall assembly (22m) and the second wall assembly (22n) extend along the flue gas flow direction. 2. The flue gas system according to claim 1 has the characteristics that Connection between Between the source side gauze deodorizer support (22) and the secondary air inlet (52) is assembled by an opening (22g), where the edge of the opening is made to be spanned from one wall assembly (22m). ) To the second wall assembly (22n) the raised part (22h) raised on the side On the side of the source side toxic gas elimination support (22) is built on the edge of the piece. Assemble the first wall (22m) which will create an opening (22g) and on the edge on the second wall assembly (22n) which will form the opening (22g) and the ends of the secondary air intake (52) and the raised part. Upward (22h) will be coordinated to connect the secondary air intake (52) to the source exhaust gas elimination support (22). 3. The flue gas system according to claim 2 is characterized by that Eliminator support The source toxic gas (22) is made up of a drum part (22a) that has The cross-sectional area is larger than the pipe (23) to support the source toxic gas eliminator (50) within the section, the tapered part (22d) that is attached to the end-end of the condensed drum section (22a). There is a decrease in cross-sectional area as it moves towards the destination side, with at least one edge of the opening (22g) being provided on the tapered section (22d). 4. Exhaust gas system according to which of the claims? One of the terms 1 to 3 is unique: The source exhaust gas exhaust support (22) of the exhaust pipe (20) is connected to the internal combustion engine exhaust port (15a) of the engine to Supports source side gauze killers (50) arranged on the source side. And by that part Support end-side toxic gas eliminator (25), end-side toxic gas eliminator (51) arranged on the end-side of the source-end gas-eliminator (50) 5. Exhaust gas system according to clause clause Either of claims 1 to 4 is characterized by that the source toxic gas disposal support (22) and the endpoint gas elimination support (25) are connected by a hose (23), which The exhaust gas system (20) 6. The exhaust gas system according to one of the claims 1 to 5 has the effect that the muffler (30) suppresses the noise from exhaust gas emissions and where the boiler The exhaust muffler (30) will accommodate the endpoint toxic gas elimination support (25) in it. 7. The exhaust gas system according to one of the claims 1 to 6 has the characteristics that the elimination support. The source toxic gas (22) consists of a support assembly (53) that separates the peripheral surface, the inner side of the upstream poisoning gasifier support (22) and the side of the source side toxic gas eliminator (50). ) To sustain toxic gas elimination The source side (50) is placed inside the source side toxic gas elimination support (22) 8. The flue gas system according to claim 7 has a special characteristic that The support assembly (53) is hollow. The source side gas eliminator (50) is attached to the piece. Support assembly (53) to be supported in support assembly (53), with the end of the support assembly that supports the side of the source end-end gasifier (50), the support assembly (53) will There is a drum part (53c) connected to the tip of the piece. Assembly for sustaining And separated from the side of the source side toxic gas eliminator (50) and the support assembly (53) are sustained in the source end toxic gas elimination support (22) with the peripheral surface of the part It is the drum (53c) of the support assembly (53), which supports the peripheral surface of the source-side toxic gas removal support (22) 9. The flue gas system according to claim 7 or 8 is available. It is characterized by that the support assembly (53) has a drum part (53c) covering the side of the source (50) toxic gas elimination side over the entire periphery. It is sustained in the upstream gas disposal support (22), with the entire perimeter of the drum part (53c) in contact with pressure on the peripheral surface of the noxious gas elimination support. Origin (22) 1 0. The flue gas system according to any of the claims 7 to 9 has a special characteristic that One end of the source and end end of the source (50) is welded to the support assembly (53) and the other end is independent of the support assembly (53) capable of. Extendable 1 1. The exhaust gas system according to claim 10 has a special characteristic that The other end Will be attached to the support assembly (53) 1 2. Vehicles with a saddle fitted with engine (15) and exhaust gas system In accordance with any of the claims 1 to 11 on them, where the elimination support The source toxic gases (22) are arranged in front of the internal combustion engine (15a), the direction of movement of the vehicle. And the sides and front of the support The source side gas eliminator (22) is covered by the vehicle's leg shield (8).