WO2015141472A1 - 作業機のエンジン装置 - Google Patents
作業機のエンジン装置 Download PDFInfo
- Publication number
- WO2015141472A1 WO2015141472A1 PCT/JP2015/056379 JP2015056379W WO2015141472A1 WO 2015141472 A1 WO2015141472 A1 WO 2015141472A1 JP 2015056379 W JP2015056379 W JP 2015056379W WO 2015141472 A1 WO2015141472 A1 WO 2015141472A1
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- Prior art keywords
- exhaust gas
- engine
- exhaust
- housing
- case
- Prior art date
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D41/00—Electrical control of supply of combustible mixture or its constituents
- F02D41/02—Circuit arrangements for generating control signals
- F02D41/021—Introducing corrections for particular conditions exterior to the engine
- F02D41/0235—Introducing corrections for particular conditions exterior to the engine in relation with the state of the exhaust gas treating apparatus
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N1/00—Silencing apparatus characterised by method of silencing
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N1/00—Silencing apparatus characterised by method of silencing
- F01N1/08—Silencing apparatus characterised by method of silencing by reducing exhaust energy by throttling or whirling
- F01N1/089—Silencing apparatus characterised by method of silencing by reducing exhaust energy by throttling or whirling using two or more expansion chambers in series
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N13/00—Exhaust or silencing apparatus characterised by constructional features ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00
- F01N13/009—Exhaust or silencing apparatus characterised by constructional features ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00 having two or more separate purifying devices arranged in series
- F01N13/0097—Exhaust or silencing apparatus characterised by constructional features ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00 having two or more separate purifying devices arranged in series the purifying devices are arranged in a single housing
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N13/00—Exhaust or silencing apparatus characterised by constructional features ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00
- F01N13/08—Other arrangements or adaptations of exhaust conduits
- F01N13/082—Other arrangements or adaptations of exhaust conduits of tailpipe, e.g. with means for mixing air with exhaust for exhaust cooling, dilution or evacuation
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N13/00—Exhaust or silencing apparatus characterised by constructional features ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00
- F01N13/08—Other arrangements or adaptations of exhaust conduits
- F01N13/10—Other arrangements or adaptations of exhaust conduits of exhaust manifolds
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N13/00—Exhaust or silencing apparatus characterised by constructional features ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00
- F01N13/18—Construction facilitating manufacture, assembly, or disassembly
- F01N13/1805—Fixing exhaust manifolds, exhaust pipes or pipe sections to each other, to engine or to vehicle body
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N13/00—Exhaust or silencing apparatus characterised by constructional features ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00
- F01N13/18—Construction facilitating manufacture, assembly, or disassembly
- F01N13/1838—Construction facilitating manufacture, assembly, or disassembly characterised by the type of connection between parts of exhaust or silencing apparatus, e.g. between housing and tubes, between tubes and baffles
- F01N13/1844—Mechanical joints
- F01N13/1855—Mechanical joints the connection being realised by using bolts, screws, rivets or the like
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
- F01N3/02—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust
- F01N3/021—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of filters
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
- F01N3/02—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust
- F01N3/021—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of filters
- F01N3/023—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of filters using means for regenerating the filters, e.g. by burning trapped particles
- F01N3/0231—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of filters using means for regenerating the filters, e.g. by burning trapped particles using special exhaust apparatus upstream of the filter for producing nitrogen dioxide, e.g. for continuous filter regeneration systems [CRT]
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
- F01N3/08—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous
- F01N3/10—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust
- F01N3/103—Oxidation catalysts for HC and CO only
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
- F01N3/08—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous
- F01N3/10—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust
- F01N3/105—General auxiliary catalysts, e.g. upstream or downstream of the main catalyst
- F01N3/106—Auxiliary oxidation catalysts
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D41/00—Electrical control of supply of combustible mixture or its constituents
- F02D41/24—Electrical control of supply of combustible mixture or its constituents characterised by the use of digital means
- F02D41/2406—Electrical control of supply of combustible mixture or its constituents characterised by the use of digital means using essentially read only memories
- F02D41/2425—Particular ways of programming the data
- F02D41/2487—Methods for rewriting
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D41/00—Electrical control of supply of combustible mixture or its constituents
- F02D41/24—Electrical control of supply of combustible mixture or its constituents characterised by the use of digital means
- F02D41/26—Electrical control of supply of combustible mixture or its constituents characterised by the use of digital means using computer, e.g. microprocessor
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D41/00—Electrical control of supply of combustible mixture or its constituents
- F02D41/24—Electrical control of supply of combustible mixture or its constituents characterised by the use of digital means
- F02D41/26—Electrical control of supply of combustible mixture or its constituents characterised by the use of digital means using computer, e.g. microprocessor
- F02D41/263—Electrical control of supply of combustible mixture or its constituents characterised by the use of digital means using computer, e.g. microprocessor the program execution being modifiable by physical parameters
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F9/00—Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
- E02F9/08—Superstructures; Supports for superstructures
- E02F9/0858—Arrangement of component parts installed on superstructures not otherwise provided for, e.g. electric components, fenders, air-conditioning units
- E02F9/0866—Engine compartment, e.g. heat exchangers, exhaust filters, cooling devices, silencers, mufflers, position of hydraulic pumps in the engine compartment
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N2450/00—Methods or apparatus for fitting, inserting or repairing different elements
- F01N2450/30—Removable or rechangeable blocks or cartridges, e.g. for filters
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N2450/00—Methods or apparatus for fitting, inserting or repairing different elements
- F01N2450/40—Retrofitting exhaust apparatus
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N2470/00—Structure or shape of gas passages, pipes or tubes
- F01N2470/18—Structure or shape of gas passages, pipes or tubes the axis of inlet or outlet tubes being other than the longitudinal axis of apparatus
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N2490/00—Structure, disposition or shape of gas-chambers
- F01N2490/02—Two or more expansion chambers in series connected by means of tubes
- F01N2490/04—Two or more expansion chambers in series connected by means of tubes the gases flowing longitudinally from inlet to outlet only in one direction
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N2590/00—Exhaust or silencing apparatus adapted to particular use, e.g. for military applications, airplanes, submarines
- F01N2590/08—Exhaust or silencing apparatus adapted to particular use, e.g. for military applications, airplanes, submarines for heavy duty applications, e.g. trucks, buses, tractors, locomotives
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D41/00—Electrical control of supply of combustible mixture or its constituents
- F02D41/02—Circuit arrangements for generating control signals
- F02D41/021—Introducing corrections for particular conditions exterior to the engine
- F02D41/0235—Introducing corrections for particular conditions exterior to the engine in relation with the state of the exhaust gas treating apparatus
- F02D41/027—Introducing corrections for particular conditions exterior to the engine in relation with the state of the exhaust gas treating apparatus to purge or regenerate the exhaust gas treating apparatus
- F02D41/029—Introducing corrections for particular conditions exterior to the engine in relation with the state of the exhaust gas treating apparatus to purge or regenerate the exhaust gas treating apparatus the exhaust gas treating apparatus being a particulate filter
Definitions
- the present invention relates to an engine device mounted on various working machines such as a working vehicle such as a skid steer loader, a backhoe or a forklift car, an agricultural machine such as a tractor or a combiner, a stationary generator or a refrigerator.
- a working vehicle such as a skid steer loader, a backhoe or a forklift car
- an agricultural machine such as a tractor or a combiner
- a stationary generator or a refrigerator relates to an engine device for a working machine equipped with an exhaust gas purification device for purifying exhaust gas such as a diesel engine.
- a diesel particulate filter (oxidation catalyst, soot filter, etc.) is provided as an exhaust gas purification device (exhaust gas aftertreatment device) in the exhaust path of the diesel engine, and the exhaust gas discharged from the diesel engine is purified.
- exhaust gas purification device exhaust gas aftertreatment device
- an inner case is provided in a double structure inside an outer case, and an oxidation catalyst or a soot filter is provided in the inner case (see, for example, Patent Document 2).
- the present invention seeks to provide an engine device for a working machine that has been improved by examining these current conditions.
- an exhaust gas purifying device that processes exhaust gas of an engine
- the exhaust gas purifying device is disposed on the main body side where the engine is mounted, and the exhaust gas of the exhaust gas purifying device is disposed.
- the exhaust gas purification device has an exhaust gas intake side housing and an exhaust gas discharge side housing, and an exhaust gas of the exhaust gas intake side housing is provided in the exhaust manifold of the engine.
- a gas inlet is connected and an outlet of an exhaust gas discharge side housing is connected to the tail pipe, and a silencer housing for attenuating exhaust noise of the engine is provided, and an exhaust gas intake side housing or an exhaust gas discharge side housing is provided.
- the silencer housing can be inserted into either or both of It is those that form.
- an oxidation catalyst is provided in the exhaust gas intake side housing, and a soot filter is provided in the exhaust gas discharge side housing,
- An exhaust gas outlet lid that is detachably fixed to an exhaust gas outlet side of the exhaust gas discharge side housing, wherein the oxidation catalyst is taken out from the inside of the exhaust gas intake side housing, and the soot is taken from the inside of the exhaust gas discharge side housing.
- the engine device in the engine device for a working machine according to the first aspect, includes an engine controller that controls the operation of the engine, and the communication line can communicate with a central management computer or a maintenance computer.
- the engine controller is connected, and the engine controller control program can be rewritten to the engine control content to which the silencer housing is mounted based on instructions from the central management computer or the maintenance computer.
- the exhaust gas purifying device for processing the exhaust gas of the engine is provided, the exhaust gas purifying device is disposed on the main body side on which the engine is mounted, and the exhaust gas of the exhaust gas purifying device is disposed.
- the exhaust gas purifying device has an exhaust gas intake side housing and an exhaust gas discharge side housing, and the exhaust manifold of the engine includes an exhaust gas intake side housing.
- An exhaust gas inlet is connected and an outlet of an exhaust gas discharge side housing is connected to the tail pipe, and a silencer housing for attenuating the exhaust sound of the engine is provided, and the exhaust gas intake side housing or the exhaust gas discharge side is provided.
- the silencer housing is inserted into one or both of the housings.
- a silencer adapted for the engine it is not necessary to specially manufacture a silencer adapted for the engine, and the exhaust gas of the engine is transferred from the exhaust gas purification specification work machine (engine) to the silencer specification work machine (engine).
- the discharge structure can be easily changed.
- a work machine can be easily sold as a used machine in a work or an area where an exhaust gas purification device is not required, and the selling cost of the work machine as a used machine can be easily reduced.
- an oxidation catalyst is provided in the exhaust gas intake side housing
- a soot filter is provided in the exhaust gas discharge side housing
- the exhaust gas discharge side housing is attached to and detached from the exhaust gas outlet side.
- An exhaust gas outlet lid that can be fixed to the exhaust gas discharge side housing, wherein the oxidation catalyst is taken out from the inside of the exhaust gas intake side housing, and the soot filter is taken out from the inside of the exhaust gas discharge side housing.
- the silencer housing Since the silencer housing is inserted into the housing from the exhaust gas outlet side, and the silencer housing is sandwiched and fixed between the exhaust gas discharge side housing and the exhaust gas outlet lid, the exhaust gas outlet Decomposing the exhaust gas purification device (the oxidation catalyst or soot fill) by attaching and detaching the lid
- the exhaust of the engine can be changed from the exhaust gas purification specification to the silencer specification with almost no change in the external shape of the exhaust gas purification specification.
- the gas discharge structure can be easily changed.
- a structure including an engine controller for controlling the operation of the engine, wherein the engine controller is connected to a central management computer or a maintenance computer through a communication line capable of mutual communication, and the central management computer Or, based on the instruction of the maintenance computer, the engine controller with the silencer housing mounted therein can be rewritten with the control program of the engine controller, so the engine controller of the engine with the exhaust gas purification device mounted Can be used to control the operation of the engine in which the silencer housing is mounted. There is no need to provide a special engine controller for the engine in which the silencer housing is mounted.
- a remodeled work machine provided with the silencer housing can be sold as a used machine, and the silencer housing is provided.
- the sales cost of the remodeling machine can be easily reduced.
- FIG. 10 is a rear view of a skid steer loader equipped with the improved diesel engine shown in FIG. 9. It is sectional explanatory drawing of the exhaust-gas purification
- a diesel engine 1 mounted as a prime mover on a construction machine, a civil engineering machine, an agricultural machine, or a cargo handling machine is provided with a continuously regenerative exhaust gas purification device 2 (diesel particulate filter).
- the exhaust gas purification device 2 reduces carbon monoxide (CO) and hydrocarbons (HC) in the exhaust gas of the diesel engine 1 in addition to removing particulate matter (PM) in the exhaust gas of the diesel engine 1. It is configured.
- a skid steer loader 211 shown in FIGS. 1 and 2 includes a traveling machine body 216 having a pair of left and right front wheels 213 and a rear wheel 214.
- the traveling body 216 is equipped with a control unit 217 and a diesel engine 1.
- a loader device 212 as a working unit is attached to the front side portion of the traveling machine body 216 so that the loader work can be performed.
- control unit 125 In the control unit 125, a control seat 219 on which an operator is seated, a control handle 218, operation means for performing output operation of the diesel engine 1 and the like, a lever or a switch as an operation means for the loader device 212, and the like are disposed. .
- the loader device 212 which is a working unit is provided at the front part of the skid steer loader 211 and above the front wheel 213.
- the loader device 212 includes loader posts 222 disposed on the left and right sides of the traveling machine body 216, a pair of left and right lift arms 223 connected to the upper ends of the loader posts 222 so as to swing up and down, and tip portions of the left and right lift arms 223. And a bucket 224 connected to be vertically swingable.
- a lift cylinder 226 for vertically swinging the lift arm 223 is provided between each loader post 222 and the corresponding lift arm 223.
- a bucket cylinder 228 for swinging the bucket 224 up and down is provided between the left and right lift arms 223 and the bucket 224.
- the lift cylinder 226 and the bucket cylinder 228 are expanded and contracted to swing the lift arm 223 and the bucket 224 up and down to execute the loader operation. It is configured as follows.
- the diesel engine 1 is disposed below the control seat 219, and the exhaust gas purification device (exhaust gas purification housing 38) 2 is connected to the diesel engine 1. It is arranged on the rear side of the (radiator 121). Accordingly, the exhaust pipe 72 that connects the diesel engine 1 and the exhaust gas purification device 2 extends from the right side of the diesel engine 1 (radiator 121) to the rear, and the exhaust gas purification device 2 is connected to the diesel engine 1. Remotely located. Further, the tail pipe 135 connected to the exhaust gas purification device 2 is configured to extend upward from the exhaust gas purification device 2 at the rear left side of the control seat 219. Thereby, the exhaust gas discharged from the exhaust gas purification device 2 passes through the tail pipe 135 and is discharged to the upper rear side of the control seat 219.
- the diesel engine 1 includes a cylinder block 4 having a built-in engine output crankshaft 3 and a piston (not shown).
- a cylinder head 5 is mounted on the cylinder block 4.
- An intake manifold 6 is disposed on the right side surface of the cylinder head 5.
- An exhaust manifold 7 is disposed on the left side surface of the cylinder head 5.
- a head cover 8 is disposed on the upper side surface of the cylinder head 5.
- a cooling fan 9 is provided on the front side of the cylinder block 4 (the front side of the diesel engine 1).
- a flywheel housing 10 is provided on the rear side of the cylinder block 4 (the back side of the diesel engine 1).
- a flywheel 11 is disposed in the flywheel housing 10.
- the flywheel 11 is pivotally supported on the rear end side of the crankshaft 3 (engine output shaft).
- the operation unit of the skid steer loader 211 as a work machine is configured to take out the power of the diesel engine 1 via the crankshaft 3.
- An oil pan 12 is disposed on the lower surface of the cylinder block 4. Lubricating oil in the oil pan 12 is supplied to each lubricating portion of the diesel engine 1 through an oil filter 13 disposed on the side surface of the cylinder block 4.
- a fuel supply pump 14 for supplying fuel is attached to the side of the cylinder block 4 above the oil filter 13 (below the intake manifold 6).
- the diesel engine 1 is provided with injectors 15 for four cylinders each having an electromagnetic opening / closing control type fuel injection valve (not shown).
- a fuel tank (not shown) mounted on the skid steer loader 211 is connected to each injector 15 via the fuel supply pump 14, the cylindrical common rail 16 and the fuel filter 17.
- the fuel in the fuel tank is pumped from the fuel supply pump 14 to the common rail 16 through the fuel filter 17, and high-pressure fuel is stored in the common rail 16.
- the fuel injection valves of the injectors 15 By controlling the fuel injection valves of the injectors 15 to open and close, the high-pressure fuel in the common rail 16 is injected from the injectors 15 into the cylinders of the diesel engine 1.
- the fuel injection pressure, injection timing, and injection period can be controlled with high accuracy, and nitrogen oxide (NOx) discharged from the diesel engine 1 can be controlled. It is configured so that it can be reduced.
- a cooling water pump 21 for circulating cooling water is disposed coaxially with the fan shaft of the cooling fan 9 at the upper front portion of the cylinder block 4.
- the rotation of the crankshaft 3 drives the cooling water pump 21 together with the cooling fan 9 via the cooling fan driving V-belt 22.
- the cooling water in the radiator 121 mounted on the skid steer loader 211 is supplied to the cooling water pump 21 by driving the cooling water pump 21. Then, cooling water is supplied to the cylinder block 4 and the cylinder head 5 to cool the diesel engine 1.
- An alternator 23 is provided on the left side of the cooling water pump 21.
- the engine leg mounting portions 24 are respectively provided on the left and right side surfaces of the cylinder block 4.
- An engine leg 137 (see FIG. 7) having a vibration-proof rubber 136 is bolted to each engine leg mounting portion 24.
- the diesel engine 1 is supported in an anti-vibration manner on the engine mounting chassis 138 of the skid steer loader 211 via the engine legs 137.
- a fresh air introduction pipe 33 of the air cleaner 32 is connected to an inlet portion of the intake manifold 6 protruding upward via an EGR device 26 (exhaust gas recirculation device). Fresh air (external air) is sent from the air cleaner 32 to the intake manifold 6 via the EGR device 26.
- the EGR device 26 mixes a part of the exhaust gas of the diesel engine 1 (EGR gas from the exhaust manifold 7) and fresh air (external air from the air cleaner 32) and supplies the mixture to the intake manifold 6 (EGR main body case 27 ( Collector), an intake throttle member 28 for communicating the EGR main body case 27 with the air cleaner 32, a recirculation exhaust gas pipe 30 as a recirculation line connected to the exhaust manifold 7 via an EGR cooler 29, and recirculation exhaust An EGR valve member 31 that communicates the EGR main body case 27 with the gas pipe 30 is provided.
- the EGR main body case 27 communicates with the outlet side of the recirculated exhaust gas pipe 30 extending from the exhaust manifold 7.
- the EGR main body case 27 is formed in a long cylindrical shape.
- the intake throttle member 28 is bolted to one end of the EGR main body case 27 in the longitudinal direction.
- a downward opening end portion of the EGR main body case 27 is detachably bolted to an inlet portion of the intake manifold 6.
- the outlet side of the recirculation exhaust gas pipe 30 is connected to the EGR main body case 27 via the EGR valve member 31.
- the inlet side of the recirculated exhaust gas pipe 30 is connected to the lower surface side of the exhaust manifold 7 via the EGR cooler 29.
- the amount of EGR gas supplied to the EGR main body case 27 is adjusted by adjusting the opening of an EGR valve (not shown) in the EGR valve member 31.
- fresh air is supplied from the air cleaner 32 through the intake throttle member 28 into the EGR main body case 27, while from the exhaust manifold 7 into the EGR main body case 27 through the EGR valve member 31.
- EGR gas (a part of the exhaust gas discharged from the exhaust manifold 7) is supplied.
- the fresh air from the air cleaner 32 and the EGR gas from the exhaust manifold 7 are mixed in the EGR main body case 27 and the mixed gas in the EGR main body case 27 is supplied to the intake manifold 6. That is, a part of the exhaust gas discharged from the diesel engine 1 to the exhaust manifold 7 is recirculated from the intake manifold 6 to the diesel engine 1, so that the maximum combustion temperature at the time of high load operation is lowered. NOx (nitrogen oxide) emissions are reduced.
- the exhaust gas purification device 2 includes an exhaust gas purification housing 38 having a purification inlet pipe 36 and a purification outlet pipe 37. Inside the exhaust gas purification housing 38, a diesel oxidation catalyst 39 (gas purification body) such as platinum that generates nitrogen dioxide (NO2) and the collected particulate matter (PM) are continuously oxidized and removed at a relatively low temperature.
- the soot filter 40 gas purifier having a honeycomb structure is arranged in series in the movement direction of the exhaust gas.
- a tail pipe 135 is connected to the purification outlet pipe 37.
- nitrogen dioxide (NO 2) generated by the oxidation action of the diesel oxidation catalyst 39 is supplied into the soot filter 40.
- Particulate matter (PM) contained in the exhaust gas of the diesel engine 1 is collected by the soot filter 40 and continuously oxidized and removed by nitrogen dioxide (NO2).
- NO2 nitrogen dioxide
- the content of carbon monoxide (CO) and hydrocarbon (HC) in the exhaust gas of the diesel engine 1 is reduced.
- a thermistor-type exhaust temperature sensor (not shown) for detecting the exhaust gas temperature at the gas inflow end face or the gas outflow end face of the diesel oxidation catalyst 39, or the pressure of the exhaust gas between the upstream side and the downstream side of the soot filter 40
- a differential pressure sensor (not shown) or the like as an exhaust gas pressure sensor for detecting the difference is attached to the exhaust gas purification housing 38, and the accumulation amount of particulate matter in the soot filter 40 is calculated based on the differential pressure sensor value or the like.
- an exhaust throttle device 65 for increasing the exhaust pressure of the diesel engine 1 is provided.
- An exhaust outlet body 7a of the exhaust manifold 7 is opened upward.
- An elbow-shaped relay pipe 66 is detachably connected to an exhaust outlet body 7a of the exhaust manifold 7 via an exhaust throttle device 65 for adjusting the exhaust pressure of the diesel engine 1.
- the exhaust throttle device 65 has a throttle valve case 68 containing an exhaust throttle valve (not shown), and a water cooling case 70 containing an electric motor (not shown) for controlling the opening of the exhaust throttle valve.
- the exhaust manifold 7 is connected to the above-described exhaust gas purification housing 38 (exhaust gas purification device 2) via the relay pipe 66 and the exhaust throttle device 65. From the outlet portion of the exhaust manifold 7, the purification inlet is provided. The exhaust gas moves into the exhaust gas purification housing 38 via the pipe 36, the exhaust gas is purified in the exhaust gas purification housing 38, and the exhaust gas moves from the purification outlet pipe 37 to the tail pipe 135, It will be discharged outside the machine.
- a diesel engine 1, a radiator 121, and an exhaust gas purification housing 38 are arranged in a line in the front-rear direction inside an engine room 147 formed by a vehicle body cover 139 or the like. Placed in. Cooling air is discharged from the cooling fan 9 at the rear of the diesel engine 1 to the rear of the machine body via the radiator 121 to cool the diesel engine 1.
- the diesel engine 1 is arranged so that the flywheel housing 10 is located on the front side of the traveling machine body 124. That is, the diesel engine 1 is arranged so that the direction of the engine output shaft 3 is directed in the front-rear direction of the traveling machine body 124.
- a mission case 132 is connected to the front side of the flywheel housing 10. Power from the diesel engine 1 via the flywheel 10 is appropriately shifted in the transmission case 132 and transmitted to the front wheels 122 or the hydraulic drive sources 133 of the cylinders 226 and 228.
- a rear U-shaped chassis 140 having a U-shape in a rear view is integrally formed on an engine mounting chassis 138 constituting a part of the traveling machine body 124.
- the fuselage rear chassis 140 has a horizontal bottom plate portion 140a and vertical left and right side plate portions 140b.
- the upper end side of the center support leg 141 is bolted to the center flange body 38a of the exhaust gas purification housing 38, and the rubber cushion body 142 is fitted on the lower end side of the center support leg 141, and the rubber cushion is placed on the upper surface of the bottom plate part 140a.
- the lower end side of the central support leg 141 is brought into contact with the body 142 through the body 142.
- the inlet pipe 36 and the outlet pipe 37 are disposed on the cylindrical outer peripheral surface of the exhaust gas purification housing 38, and the left and right case side supports 143 are bolted to the left and right end surfaces of the cylindrical exhaust gas purification housing 38 that is long on the left and right.
- the left and right case receiving bracket bodies 144 are bolted to the inner surfaces of the left and right side plate portions 140b, and the left and right case side support bodies 143 are bolted to the left and right case receiving bracket bodies 144 so that the mounting position can be adjusted.
- the left and right width central portions of the cylindrical exhaust gas purification housing 38 are supported on the upper surface of the bottom plate portion 140a via the central support leg 141, while the left and right lateral portions are supported via the case side support 143 and the case receiving bracket body 144.
- the left and right ends of the cylindrical exhaust gas purification housing 38 are connected to the side plate portion 140b, and the exhaust gas purification housing 38 is detachably supported on the rear chassis 140 of the fuselage.
- the case side support body 143 and the case receiving bracket body 144 can be bolted together with the exhaust gas purification housing 38 supported on the bottom plate part 140a via the central support leg 141, and the exhaust gas purification housing 38 can be easily attached to the rear chassis 140 of the machine body. Can be assembled to.
- the other end in the longitudinal direction of the exhaust gas purification housing 38 is configured in the silencer 45, and the purification outlet pipe 42 is provided in the silencer 45.
- the diesel oxidation catalyst 39 and the soot filter 40 correspond to a filter body for exhaust gas purification.
- the exhaust gas purification housing 38 has a catalyst case 44 and a filter case 45 that are connected by a central flange body 38a.
- the catalyst inner case 46 and the catalyst outer case 47 form a catalyst case 44 in a double tube structure.
- a filter case 45 is formed in a double tube structure by the filter inner case 48 and the filter outer case 49.
- a diesel oxidation catalyst 39 is accommodated in the catalyst inner case 46.
- the soot filter 40 is accommodated in the filter inner case 48.
- the outer peripheral side of the catalyst inner case 46 and the inner peripheral side of the catalyst outer case 47 are connected via a thin plate support or the like.
- a catalyst side lid 53 is welded and fixed to one end side (end of the exhaust upstream side) of the catalyst inner case 46 and the catalyst outer case 47. One end sides of the catalyst inner case 46 and the catalyst outer case 47 are closed by a catalyst side lid 53.
- a purification inlet pipe 36 is fixed by welding to the outer peripheral side of the catalyst outer case 47. The purification inlet pipe 36 communicates with the catalyst inner case 46 through an exhaust gas inlet 55 formed in the catalyst inner case 46 and the catalyst outer case 47.
- a thin plate-like catalyst flange 56 protruding from the outer peripheral side (radius outer side) of the catalyst outer case 47 is welded and fixed to the other end side (end portion on the exhaust downstream side) of the catalyst inner case 46.
- the other end side of the catalyst outer case 47 is welded and fixed to the outer peripheral side of the catalyst flange 56.
- a thin plate-like filter inlet flange 57 that protrudes from the outer peripheral side of the filter outer case 49 is welded and fixed to a longitudinal middle part of the outer peripheral side of the filter inner case 48.
- One end side (end portion on the upstream side of the exhaust) of the filter outer case 49 is fixed by welding to the outer peripheral side of the filter inlet flange 57.
- the catalyst flange 56 and the filter inlet flange 57 are brought into contact with each other, and the two flanges 56 and 57 are moved to exhaust gas by thick plate-like central clamping flanges 59 and 60 surrounding the outer peripheral sides of the outer cases 47 and 49. It is pinched from both sides of the direction.
- the catalyst outer case 47 and the filter outer case 49 are connected by fastening the center clamping flanges 59, 60 and the flanges 56, 57 as the center flange body 38a with bolts 61 and nuts 62.
- one end side of the filter inner case 46 is inserted into the inside from the other end sides of the catalyst inner case 46 and the catalyst outer case 47.
- the other end side of the catalyst inner case 46 and the catalyst outer case 47 and the connecting portion on one end side of the filter inner case 46 are configured in a triple tube structure.
- the filter inner case 46 and the filter outer case 49 located at the other end in the longitudinal direction of the exhaust gas purification housing 38 are closed by the filter side lid 54.
- a purification outlet pipe 37 is fastened and fixed to the outside of the filter side lid 54.
- a thin plate-like filter outlet flange 58 protruding from the outer peripheral side of the filter outer case 49 is welded to the other end of the filter inner case 48.
- the other end side of the filter outer case 49 is fixed to the outer peripheral side of the filter outlet flange 58 by welding.
- the lid flange 54 a is integrally formed with the filter side lid 54.
- the filter outlet flange 58 and the lid holding flange 54a are abutted, the flanges 58 and 54a are clamped from both sides in the exhaust gas movement direction by the thick plate-like outlet clamping flanges 51 and 52, and the both outlet clamping flanges by the bolt 63 and the nut 64
- the filter side lid 54 is connected to the filter inner case 48 and the filter outer case 49 by fastening 51 and 52 together with both flanges 58 and 54a.
- the engine controller 151 is arranged inside the vehicle body provided with the control seat 128, and the meter controller 152 is arranged inside the handle column provided with the control handle 129.
- the engine controller 151 and the meter controller 152 are communicatively connected by a run cable that can communicate with each other.
- the exhaust temperature sensor 158 for detecting the temperature) and the differential pressure sensor 159 for detecting the exhaust gas pressure difference between the exhaust gas inlet side and the outlet side of the soot filter 40 are input-connected to the engine controller 151 having the common rail 16 control function.
- the engine controller 151 is connected to the fuel injection valve 155 of the common rail 16, the intake valve 156 of the intake throttle member 28, and the exhaust valve 157 of the throttle valve case 68.
- a liquid crystal display 166 and a buzzer 167 are connected to the meter controller 152 for output.
- the display 166 includes a vehicle speed meter 171 that displays the traveling speed of the forklift car 120, a fuel meter 172 that displays the remaining fuel to be supplied to the diesel engine 1, a regeneration prohibiting lamp 173 that displays an on operation of the regeneration prohibiting switch 164, A regeneration approval lamp 174 that displays an on operation of the regeneration approval switch 165, and an exhaust abnormality lamp 175 that displays the exhaust gas status (exhaust temperature or exhaust pressure abnormality) of the diesel engine 1 are provided.
- the exhaust abnormality lamp 175 is turned on to notify the operator of the abnormality and the fuel injection of the common rail 16 Under the control of the valve 155, the number of revolutions of the diesel engine 1 is automatically reduced to notify the operator of the abnormality.
- the regeneration approval switch 165 the diesel engine 1 is operated at a low speed, the regeneration start switch 163 is turned on by the operator's operation stop operation, and the regeneration prohibition switch 164 is kept off. In this state, the regeneration control of the soot filter 40 is started.
- the regeneration control of the soot filter 40 for removing the accumulated soot is performed by automatic control of the fuel injection valve 155, automatic control of the intake valve 156, and automatic control of the exhaust valve 157.
- FIGS. 10 to 12 a structure in which the silencer type exhaust gas purification device 2 is mounted will be described.
- the filter side lid 54 is attached and detached, and the exhaust gas purification is performed with the diesel oxidation catalyst 39 in the catalyst inner case 46 and the soot filter 40 in the filter inner case 48 removed.
- a silencer 41 is installed on the exhaust gas discharge side of the housing 38.
- the silencer 41 has a silencer case 42 that is inserted into the filter inner case 48.
- a partition wall body 42 a is fixed to the inside of the sound deadening case 42 by welding.
- a plurality of communication pipes 43 having a large number of communication holes are arranged on the inner wall portion 42b and the partition wall body 42a on one end side of the sound deadening case 42.
- the interior of the sound deadening case 42 partitioned by the partition wall 42 a is configured as a resonance chamber that communicates with a plurality of communication pipes 66.
- a silencing flange 42c is integrally formed on the other end side (exhaust gas discharge side end) of the silencing case 42 closed by the filter side lid 54, and the silencing flange 42c is provided between the filter outlet flange 58 and the lid retaining flange 54a.
- the filter side lid 54 is attached to the filter inner case 48 and the filter outer case 49 by clamping and fastening the outlet clamping flanges 51 and 52 together with the flanges 58 and 54a and the silencing flange 42c with bolts 63 and nuts 64. Connected.
- the exhaust gas that has entered the silencing case 42 through the communication pipe 66 passes through the communication hole of the communication pipe 66 and the resonance chamber in the silencing case 42, and the exhaust sound is attenuated from the purification outlet pipe 36. It is configured to be discharged toward the tail pipe 135.
- the exhaust gas purification device 2 includes the catalyst case 44 (exhaust gas intake side housing) and the filter case 45 (exhaust gas discharge side housing).
- the exhaust gas inlet of the catalyst case 44 is connected to the exhaust manifold 7 of the diesel engine 1, and the outlet of the filter case 45 is connected to the tail pipe 135.
- a silencing case 42 silencing case 42 (silencer housing) for attenuating the exhaust sound of the diesel engine 1 is provided, and the silencing case 42 can be inserted into either one or both of the catalyst case 44 and the filter case 45.
- the exhaust gas outlet cover 54 on the exhaust gas outlet side of the filter case 45 is detached, the oxidation catalyst 39 is taken out from the catalyst case 44, and the soot filter 40 is taken out from the filter case 45.
- the silencer case 42 is inserted from the exhaust gas outlet side, and the silencer case 42 is sandwiched and fixed between the filter case 45 and the exhaust gas outlet cover 54, and the silencer specification is provided from the exhaust gas purification specification work machine 211 (diesel engine 1).
- the exhaust gas discharge structure of the diesel engine 1 is changed to the working machine 211 (diesel engine 1).
- the central management computer 178 installed at the place where the diesel engine 1 is manufactured, and the maintenance installed at the place where the exhaust gas discharge structure of the diesel engine 1 is changed in the silencer specification work machine 211.
- the engine controller 151 is connected to the computer 179 through a communication line that can communicate with each other.
- the maintenance computer 179 is operated, and the control contents of the engine 1 with the muffler case 42 attached are changed based on the instruction of the central management computer 178.
- the control program of the engine controller 151 is configured to be rewritten.
- the exhaust gas purification device 2 that processes the exhaust gas of the diesel engine 1 is provided, and the exhaust gas purification device 2 is disposed on the main unit side on which the diesel engine 1 is mounted,
- the exhaust gas purification device 2 includes a catalyst case 44 as an exhaust gas intake side housing and an exhaust gas exhaust side housing.
- An exhaust gas inlet of the catalyst case 44 is connected to the exhaust manifold 7 of the diesel engine 1, and an outlet of the filter case 45 is connected to the tail pipe 135.
- the discharge structure can be easily changed.
- the skid steer loader 211 (work machine) can be easily sold as a used machine in a work or area where the exhaust gas purification device 2 is unnecessary, and the selling cost of the skid steer loader 211 as a used machine can be easily reduced.
- an oxidation catalyst 39 is provided in the catalyst case 44, a soot filter 40 is provided in the filter case 45, and exhaust gas that is detachably fixed to the exhaust gas outlet side of the filter case 45.
- the structure is provided with a filter-side lid 54 as an outlet lid, and the oxidation catalyst 39 is taken out from the catalyst case 44 and the soot filter 40 is taken out from the filter case 45.
- the silencer case 42 is inserted into the filter case 45, and the silencer case 42 is sandwiched and fixed between the filter case 45 and the filter side cover 54.
- the exhaust gas exhaust structure of the diesel engine 1 can be easily changed from the exhaust gas purification specification to the silencer specification without changing the external shape of the exhaust gas purification specification.
- the engine controller 151 is configured to control the operation of the diesel engine 1, and the engine controller 151 is connected to a central management computer or a maintenance computer through a communication line that can communicate with each other. Based on the instruction from the central management computer or the maintenance computer, the control program of the engine controller 151 can be rewritten to the control contents of the diesel engine 1 to which the silencer case 42 is attached. Therefore, the operation of the diesel engine 1 equipped with the silencing case 42 can be controlled by utilizing the engine controller 151 of the diesel engine 1 equipped with the exhaust gas purification device 2. There is no need to specially provide the engine controller 151 for the diesel engine 1 in which the silencer case 42 is mounted.
- a modified work machine (skid steer loader 211) provided with a silencing case 42 can be easily modified to a skid steer loader 211 (work machine) for use in work contents or work places that do not require the exhaust gas purification device 2.
- a skid steer loader 211 work machine
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Abstract
Description
2 排気ガス浄化装置
7 排気マニホールド
39 ディーゼル酸化触媒(ガス浄化体)
40 スートフィルタ(ガス浄化体)
42 消音ケース(サイレンサハウジング)
44 触媒ケース(排気ガス取入れ側ハウジング)
45 フィルタケース(排気ガス排出側ハウジング)
54 フィルタ側蓋体(排気ガス出口蓋体)
135 テールパイプ
151 エンジンコントローラ
Claims (3)
- エンジンの排気ガスを処理する排気ガス浄化装置を備え、前記エンジンが搭載された本機側に前記排気ガス浄化装置を配置すると共に、前記排気ガス浄化装置の排気ガスをテールパイプから機外に放出させる作業機のエンジン装置において、
前記排気ガス浄化装置は、排気ガス取入れ側ハウジングと排気ガス排出側ハウジングを有し、前記エンジンの排気マニホールドに排気ガス取入れ側ハウジングの排気ガス入口を接続させると共に、前記テールパイプに排気ガス排出側ハウジングの出口を接続させる構造であって、
前記エンジンの排気音を減衰させるサイレンサハウジングを備え、排気ガス取入れ側ハウジングまたは排気ガス排出側ハウジングのいずれか一方または両方に、前記サイレンサハウジングを内挿可能に構成したことを特徴とする作業機のエンジン装置。 - 前記排気ガス取入れ側ハウジングに酸化触媒を内設させ、前記排気ガス排出側ハウジングにスートフィルタを内設させると共に、前記排気ガス排出側ハウジングの排気ガス出口側に着脱可能に固着する排気ガス出口蓋体を備える構造であって、
前記排気ガス取入れ側ハウジング内部から酸化触媒を取出し、前記排気ガス排出側ハウジング内部からスートフィルタを取出した状態で、前記排気ガス排出側ハウジングに排気ガス出口側から前記サイレンサハウジングを内挿させ、前記排気ガス排出側ハウジングと排気ガス出口蓋体の間に前記サイレンサハウジングを挟持固定するように構成したことを特徴とする請求項1に記載の作業機のエンジン装置。 - 前記エンジンを作動制御するエンジンコントローラを備える構造であって、中央管理コンピュータまたはメンテナンスコンピュータに相互に通信可能な通信線にて前記エンジンコントローラを接続させ、前記中央管理コンピュータまたはメンテナンスコンピュータの指示に基づき、前記サイレンサハウジングが装着されたエンジン制御内容に、前記エンジンコントローラの制御プログラムを書換え可能に構成したことを特徴とする請求項1に記載の作業機のエンジン装置。
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KR1020167019404A KR102170625B1 (ko) | 2014-03-18 | 2015-03-04 | 작업기의 엔진 장치 |
CN201580008096.9A CN105980681B (zh) | 2014-03-18 | 2015-03-04 | 工作机的发动机装置 |
EP15765666.1A EP3121403B1 (en) | 2014-03-18 | 2015-03-04 | Engine system for working machine |
CA2941364A CA2941364A1 (en) | 2014-03-18 | 2015-03-04 | Engine system for working machine |
US15/269,699 US10473046B2 (en) | 2014-03-18 | 2016-09-19 | Engine system for working machine configured to contain noise reduction equipment |
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JP2014054689A JP6232321B2 (ja) | 2014-03-18 | 2014-03-18 | 作業機のエンジン装置 |
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US15/269,699 Continuation US10473046B2 (en) | 2014-03-18 | 2016-09-19 | Engine system for working machine configured to contain noise reduction equipment |
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EP (1) | EP3121403B1 (ja) |
JP (1) | JP6232321B2 (ja) |
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Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
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JP5874752B2 (ja) * | 2014-01-24 | 2016-03-02 | コベルコ建機株式会社 | 建設機械のマフラー |
JP6232370B2 (ja) * | 2014-12-24 | 2017-11-15 | 株式会社Kcm | 建設機械 |
CN107109993B (zh) * | 2014-12-31 | 2019-08-20 | 康明斯排放处理公司 | 紧凑的侧式出入口排气后处理系统 |
DE112015005872T5 (de) | 2014-12-31 | 2017-09-14 | Cummins Emission Solutions, Inc. | Direktgekoppeltes einmoduliges Nachbehandlungssystem |
CN212253099U (zh) * | 2020-01-09 | 2020-12-29 | 盾安环境技术有限公司 | 过滤消音器及空调设备 |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0524915U (ja) * | 1991-03-29 | 1993-04-02 | スズキ株式会社 | 自動車用排気装置 |
JP2009264389A (ja) * | 2009-07-08 | 2009-11-12 | Yanmar Co Ltd | 内燃機関の排気浄化装置 |
JP2011196343A (ja) * | 2010-03-23 | 2011-10-06 | Yanmar Co Ltd | 排気ガス浄化装置 |
JP2013002285A (ja) * | 2011-06-10 | 2013-01-07 | Hitachi Constr Mach Co Ltd | 還元剤供給システム |
WO2014024929A1 (ja) * | 2012-08-08 | 2014-02-13 | ヤンマー株式会社 | 作業機搭載用エンジン装置 |
Family Cites Families (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3904768B2 (ja) | 1999-09-06 | 2007-04-11 | 日野自動車株式会社 | ディーゼルエンジン排気ガス用パティキュレートフィルタのクリーニング及び再生装置 |
US6837336B2 (en) * | 1999-12-09 | 2005-01-04 | Anthony John Gault | Apparatus for treating a gas stream |
EP1268989B1 (en) * | 2000-03-21 | 2006-08-30 | Silentor Holding A/S | A silencer containing one or more porous bodies |
JP3593305B2 (ja) * | 2000-07-03 | 2004-11-24 | トヨタ自動車株式会社 | 内燃機関の排気装置 |
EP1366274A1 (en) * | 2001-02-07 | 2003-12-03 | Paulo T. Lage | Exhaust processor with renewable particulate eliminator |
DE102005002289B4 (de) * | 2005-01-17 | 2007-04-19 | J. Eberspächer GmbH & Co. KG | Abgasbehandlungssystem |
DE102006025190A1 (de) * | 2006-05-29 | 2007-12-06 | Borges Gmbh | Abgasschalldämpfer mit integriertem Rußpartikelfilter in Modulbauweise für Mercedes Actros |
JP2008255858A (ja) * | 2007-04-03 | 2008-10-23 | Yanmar Co Ltd | ディーゼルエンジン用黒煙浄化装置 |
JP4961336B2 (ja) * | 2007-12-20 | 2012-06-27 | 三菱ふそうトラック・バス株式会社 | エンジンの排気浄化装置 |
JP2009228516A (ja) | 2008-03-21 | 2009-10-08 | Calsonic Kansei Corp | Dpf装置 |
CN105545416A (zh) * | 2008-09-18 | 2016-05-04 | 洋马株式会社 | 发动机装置 |
KR101756240B1 (ko) | 2010-03-23 | 2017-07-10 | 얀마 가부시키가이샤 | 배기가스 정화장치 |
JP5124030B2 (ja) * | 2011-03-18 | 2013-01-23 | 株式会社小松製作所 | 排気ガス浄化装置 |
JP5972111B2 (ja) * | 2012-08-30 | 2016-08-17 | ヤンマー株式会社 | 作業機搭載用エンジン装置 |
JP5874752B2 (ja) * | 2014-01-24 | 2016-03-02 | コベルコ建機株式会社 | 建設機械のマフラー |
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2014
- 2014-03-18 JP JP2014054689A patent/JP6232321B2/ja not_active Expired - Fee Related
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2015
- 2015-03-04 KR KR1020167019404A patent/KR102170625B1/ko active IP Right Grant
- 2015-03-04 EP EP15765666.1A patent/EP3121403B1/en active Active
- 2015-03-04 WO PCT/JP2015/056379 patent/WO2015141472A1/ja active Application Filing
- 2015-03-04 CA CA2941364A patent/CA2941364A1/en not_active Abandoned
- 2015-03-04 CN CN201580008096.9A patent/CN105980681B/zh not_active Expired - Fee Related
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Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0524915U (ja) * | 1991-03-29 | 1993-04-02 | スズキ株式会社 | 自動車用排気装置 |
JP2009264389A (ja) * | 2009-07-08 | 2009-11-12 | Yanmar Co Ltd | 内燃機関の排気浄化装置 |
JP2011196343A (ja) * | 2010-03-23 | 2011-10-06 | Yanmar Co Ltd | 排気ガス浄化装置 |
JP2013002285A (ja) * | 2011-06-10 | 2013-01-07 | Hitachi Constr Mach Co Ltd | 還元剤供給システム |
WO2014024929A1 (ja) * | 2012-08-08 | 2014-02-13 | ヤンマー株式会社 | 作業機搭載用エンジン装置 |
Non-Patent Citations (1)
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Also Published As
Publication number | Publication date |
---|---|
KR102170625B1 (ko) | 2020-10-27 |
EP3121403B1 (en) | 2020-09-30 |
JP2015175352A (ja) | 2015-10-05 |
CA2941364A1 (en) | 2015-09-24 |
CN105980681B (zh) | 2019-02-12 |
EP3121403A4 (en) | 2017-11-29 |
JP6232321B2 (ja) | 2017-11-15 |
KR20160132817A (ko) | 2016-11-21 |
EP3121403A1 (en) | 2017-01-25 |
US10473046B2 (en) | 2019-11-12 |
US20170009683A1 (en) | 2017-01-12 |
CN105980681A (zh) | 2016-09-28 |
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