WO2015005389A1 - コンバイン - Google Patents
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- Publication number
- WO2015005389A1 WO2015005389A1 PCT/JP2014/068317 JP2014068317W WO2015005389A1 WO 2015005389 A1 WO2015005389 A1 WO 2015005389A1 JP 2014068317 W JP2014068317 W JP 2014068317W WO 2015005389 A1 WO2015005389 A1 WO 2015005389A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- engine room
- engine
- exhaust gas
- gas purification
- purification case
- Prior art date
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Classifications
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01D—HARVESTING; MOWING
- A01D41/00—Combines, i.e. harvesters or mowers combined with threshing devices
- A01D41/12—Details of combines
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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
- F01N2260/00—Exhaust treating devices having provisions not otherwise provided for
- F01N2260/02—Exhaust treating devices having provisions not otherwise provided for for cooling the device
- F01N2260/022—Exhaust treating devices having provisions not otherwise provided for for cooling the device using air
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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
- F01N2260/00—Exhaust treating devices having provisions not otherwise provided for
- F01N2260/20—Exhaust treating devices having provisions not otherwise provided for for heat or sound protection, e.g. using a shield or specially shaped outer surface of exhaust device
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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
- F01N2330/00—Structure of catalyst support or particle filter
- F01N2330/02—Metallic plates or honeycombs, e.g. superposed or rolled-up corrugated or otherwise deformed sheet metal
- F01N2330/04—Methods of manufacturing
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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
- 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
- F01N3/08—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
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01P—COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
- F01P1/00—Air cooling
- F01P2001/005—Cooling engine rooms
Definitions
- the present invention relates to a combine that harvests grains by threshing the harvested corn straw with a threshing device while harvesting the unmilled grain moth on the field by a reaping device, and more specifically, causes an uncut cereal grain on the field.
- the present invention relates to a combine equipped with a grain raising apparatus.
- a part of the exhaust gas purification case protrudes from the cutting device side that is arranged to be movable up and down on the front side of the traveling machine body, and the exhaust gas purification case is arranged biased toward the cutting device (Patent Document). 1). Further, the engine room top plate is formed in a stepped shape, and the exhaust gas purification case is arranged at a position higher than the lower part of the driver seat (see Patent Document 2).
- the present invention seeks to provide an improved combine by examining these current conditions.
- a combine includes a harvesting device, a threshing device, a traveling machine body in which the harvesting device and the threshing device are installed, and an engine room on the traveling machine body.
- a driving seat is supported on the upper surface side of the engine room, a side column is disposed on the inner side of the engine room, and the driving is performed.
- the exhaust gas purification case is arranged on the upper surface side of the engine in the engine room below the seat, and a part of the exhaust gas purification case is wrapped on the side column in a plan view.
- an engine room forming the engine room and a heat shield plate that partitions the operation lever installation part on the upper side of the side column and the exhaust gas purification case.
- a cover is provided, and the heat shield plate is continuously provided on one end side of the engine room cover.
- the heat shield plate is formed in a double structure, and the air in the internal space of the heat shield plate is ventilated by the cooling wind of the engine. It is comprised as follows.
- the combine according to the second aspect further comprising an electric ventilation fan for ventilating the internal space of the heat shield plate having a double structure, and the electric switch is electrically operated after a predetermined time with respect to the key switch turning operation.
- the ventilation fan is configured to be able to stop with a delay.
- an engine room cover that forms the engine room is provided, and a driver's seat is disposed on the upper surface side of the engine room cover,
- the engine room cover is configured to cover the exhaust gas purification case.
- the exhaust gas purification case is installed in the engine room below the driver seat, and an air cleaner is installed in the engine room behind the driver seat. And at least the front side or the upper side of the exhaust gas purification case is covered with the engine room cover having the double structure.
- the radiator is disposed adjacent to the engine, and the internal space of the engine room cover having a double structure is disposed in the outside air intake of the radiator. Communicated to the side.
- the invention according to claim 8 is the combine according to claim 5, further comprising an electric ventilation fan for ventilating the internal space of the engine room cover having a double structure, and after a certain time with respect to the key switch turning operation,
- the electric ventilation fan is configured to be able to stop with a delay.
- a reaping device a threshing device, a traveling machine body in which the reaping device and the threshing device are installed, an engine installed in an engine room on the traveling machine body, and exhaust gas of the engine
- the driver's seat is supported on the upper surface side of the engine room
- a side column is disposed on the inner side of the engine room
- the engine room below the driver seat is disposed inside the engine room.
- the exhaust gas purification case is arranged on the upper surface side of the engine, and a part of the exhaust gas purification case is wrapped on the side column in a plan view.
- the exhaust gas purification case can be installed in the room, and the exhaust gas purification case is installed between the driver seat lower surface and the engine upper surface.
- the installation width of the driver's seat and the engine in the left-right direction can be easily reduced, but the space on the upper surface side of the engine is used to make it within the plan view outline (within the front-rear width and the left-right width of the engine)
- the exhaust gas purification case can be installed compactly.
- the exhaust inlet of the exhaust gas purification case can be formed close to the exhaust manifold of the engine, and the exhaust outlet pipe of the exhaust gas purification case faces the rear of the fuselage using the space on the lower side of the side column.
- the exhaust gas purification case mounting structure or the exhaust gas inlet / outlet piping structure can be configured at low cost.
- the engine room is provided with a heat shield plate that partitions between the operation lever installation part on the upper side of the side column and the exhaust gas purification case, and an engine room cover that forms the engine room. Since the heat shield plate body is continuously provided on one end side of the cover, the temperature rise on the side column side can be easily suppressed by the heat insulating action of the heat shield plate body, and the seat on the driver seat. It is possible to prevent the hot air on the side column side from being transmitted to the operator. A filter regeneration operation in which the exhaust gas temperature in the exhaust gas purification case is maintained at a high temperature can be smoothly executed.
- the heat shield plate is formed in a double structure, and the air in the internal space of the heat shield plate is ventilated by the cooling wind of the engine. From the above, the internal space of the heat shield plate can be ventilated using the outside air suction input of the engine cooling radiator (cooling fan). There is no need to provide a special ventilation fan or the like for allowing air in and out of the internal space of the heat shield plate to be constructed at low cost.
- the electric ventilation fan for ventilating the internal space of the heat shield plate having a double structure is provided, and the electric ventilation fan is delayed and stopped after a certain time with respect to the key switch turning operation. Even if the key switch is turned off and the cooling fan of the engine is stopped, the electric ventilation fan can continue to ventilate the heat shield plate (internal space). It is possible to prevent the heat shield plate body from being excessively heated by the heat generation (residual heat) of the exhaust gas purification case after the engine is stopped. In addition, the cooling of the heat shield plate can promote the temperature drop of the operation lever installation part on the side column upper surface side.
- an engine room cover that forms the engine room is provided, and a driver's seat is disposed on the upper surface side of the engine room cover, and the engine room cover having a double structure Since the exhaust gas purification case is configured to be covered, the exhaust gas purification case can be disposed immediately below the driver seat disposed on the upper surface of the engine room, and the exhaust gas is disposed between the driver seat lower surface and the engine upper surface. Although the purification case can be supported and the installation width of the driver seat and the engine in the left-right direction can be easily reduced, the exhaust gas purification case can be compactly installed on the upper surface side of the engine.
- the temperature rise outside the engine room cover can be suppressed, and the hot air in the engine room can be prevented from being transmitted to the operator sitting on the driver's seat.
- a filter regeneration operation in which the exhaust gas temperature in the exhaust gas purification case is maintained at a high temperature can be smoothly executed.
- the exhaust gas purification case is provided in the engine room below the driver seat, and an air cleaner is provided in the engine room behind the driver seat, so that at least the exhaust gas is provided. Since the front side or the upper side of the purification case is configured to be covered with the engine room cover having the double structure, the exhaust gas purification case that becomes hot and the air cleaner that takes in outside air are disposed above the engine. In addition, they can be arranged compactly adjacent to each other. For example, both the engine and the air cleaner can be adjacent to the cooling air intake part of the engine, and the outside air can be easily introduced from the cooling air intake part of the engine to the air cleaner.
- the radiator is disposed adjacent to the engine, and the internal space of the engine room cover having a double structure is communicated with the outside air intake side of the radiator.
- the internal space of the engine room cover can be ventilated using the outside air suction input of the radiator (cooling fan). There is no need to provide a special ventilation fan or the like for allowing the air in and out of the interior space of the engine room cover to enter and exit, and it can be configured at low cost.
- the electric ventilation fan for ventilating the internal space of the engine room cover having a double structure is provided, and the electric ventilation fan can be stopped with a delay after a certain time with respect to the key switch turning operation. Therefore, even if the key switch is turned off and the cooling fan of the engine is stopped, ventilation of the engine room cover (internal space) can be continued by the electric ventilation fan. It is possible to prevent the engine room cover from being excessively heated by the heat generated by the exhaust gas purification case after the engine is stopped. Moreover, the temperature drop in the engine room can be promoted by cooling the engine room cover.
- FIG. 6 is an enlarged view of FIG. 5.
- FIGS. 1 to 4 a traveling machine body 1 supported by a pair of left and right traveling crawlers 2 (traveling portions) is provided.
- a four-row mowing device 3 for mowing cereals is mounted by a single-acting hoisting hydraulic cylinder 4 so as to be adjustable up and down around the mowing pivot fulcrum shaft 4a. .
- a threshing device 5 having a feed chain 6 and a grain tank 7 for storing grain after threshing are mounted on the traveling machine body 1 side by side.
- the threshing apparatus 5 is arrange
- the Glen tank 7 is arrange
- a discharge auger 8 for discharging the grains in the grain tank 7 from the rear to the top of the grain tank 7 is disposed. Centering on the vertical auger 8a of the discharge auger 8, the front part of the glen tank 8 can be rotated to the side of the machine body.
- a driving unit 10 is provided in front of the Glen tank 7 and on the right front of the traveling machine body 1.
- the driving unit 10 includes a step 10a on which an operator gets on, a driver's seat 10b, a handle column 11 provided with a steering handle 10c, a main speed change lever 12, a sub speed change lever 13, a work clutch lever 14, or switches.
- the side column 15 is arranged.
- a diesel engine 20 as a power source of each drive unit is disposed in the traveling machine body 1 below the driver's seat 10b. Further, left and right track frames 21 are disposed on the lower surface side of the traveling machine body 1.
- the track frame 21 includes a drive sprocket 22 that transmits the power of the engine 20 to the traveling crawler 2, a tension roller 23 that maintains the tension of the traveling crawler 2, and a plurality of track rollers that hold the ground side of the traveling crawler 2 in a grounded state. 24.
- the driving sprocket 22 supports the front side of the traveling crawler 2
- the tension roller 23 supports the rear side of the traveling crawler 2
- the track roller 24 supports the grounding side of the traveling crawler 2.
- the reaping device 3 includes a four-row culm pulling device 31 that causes uncut cereals in the field and a clipper-type cutting device that cuts the stock of uncut cereals in the field.
- a cutting blade device 32 and a culm transporting device 33 for transporting the chopped culm from the culm pulling device 31 to the front end (feed start end side) of the feed chain 6 are provided.
- An uncut grain culm in the field is pulled up by the grain culling pulling device 31, a stock source of the uncut grain culm is cut by the cutting blade device 32, and the harvested corn straw is conveyed to the front end portion of the feed chain 6 by the grain culling pulling device 31. Is done.
- the threshing device 5 includes a handling cylinder 51 for threshing threshing, an oscillating sorting board 52 as an oscillating sorting mechanism for sorting threshing material falling below the handling cylinder 51, and a sorting wind on the oscillating sorting board 52. , A processing fan 54 for reprocessing threshing waste taken out from the rear part of the handling cylinder 51, and a dust exhausting fan 61 for discharging dust at the rear part of the swing sorter 52 to the outside of the machine. It has.
- a discharge chain 62 is disposed on the rear end side (feed end side) of the feed chain 6.
- the waste passed through the feed chain 6 from the rear end side of the feed chain 6 (the grain from which the grain has been threshed) is discharged to the rear of the traveling machine body 1 in a long state, or the rear side of the threshing device 5 After being cut to a suitable length by the waste cutter 63 provided at the front, the paper is discharged to the lower rear of the traveling machine body 1.
- first conveyor 55 for picking up the grains (the first sort) selected by the rocking sorter 52, and grains, swarf, and grains with branches.
- a second conveyor 56 is provided to take out the mixed second selection.
- the first conveyor 55 and the second conveyor 56 are arranged on the upper surface side of the traveling machine body 1 above the rear part of the traveling crawler 2 in a side view.
- the swing sorter 52 is configured to swing sort (specific gravity sort) the cereal grains that have fallen below the handling cylinder 51. Grains that fall from the oscillating sorter 52 (the first sort) are removed from the grain by the sorter wind from the tang fan 53 and fall first onto the conveyor 55.
- a first cereal cylinder 57 extending in the vertical direction is connected to a terminal portion of the first conveyor 55 that protrudes outward from one side wall (right side wall in the embodiment) of the threshing device 5 near the grain tank 7. Yes.
- the grain taken out from the first conveyor 55 is carried into the Glen tank 7 by a first cereal conveyor (not shown) provided in the first cereal cylinder 57 and collected in the Glen tank 7.
- Oscillating sorter 52 performs second sorting such as grain with branches and branches (reduction-reprocessed product for re-sorting mixed grain and swarf) by swing sorting (specific gravity sorting). 56 is configured to be dropped.
- the second sorting product taken out by the second conveyor 56 is returned to the upper surface side of the swing sorting board 52 through the second reduction cylinder 58 and the second processing unit 59 and is re-sorted.
- the dust and dust in the crushed material from the handling drum 51 are discharged from the rear portion of the traveling machine body 1 toward the field by the sorting air from the tang fan 53 and the dust suction and discharge action of the dust fan 61. .
- the mounting structure of the diesel engine 20 will be described with reference to FIGS.
- the diesel engine 20 is supported in an anti-vibration manner via the engine bed 41 on the upper surface below the driver's seat 10b among the upper surface of the traveling machine body 1 of the driving unit 10.
- the driving force of the diesel engine 20 is transmitted to the belt to the traveling drive mission case 42 in the front part of the track frame 21 or to each part.
- the engine room cover 44 that forms the front side or the upper side of the engine room 43 covers the front side and the upper side of the diesel engine 20.
- the partition plate body 16 is stretched below the side column 15, and the upper surface side of the engine room 43 is formed by the partition plate body 16, and the upper surface side of the diesel engine 20 is covered by the partition plate body 16.
- a box-shaped wind tunnel case 46 is erected on the right end portion of the traveling machine body 1 of the operation unit 10 via an opening / closing fulcrum shaft 45, and an engine room cover is provided on the inner side surface of the wind tunnel case 46.
- the right end of 44 is connected.
- a water-cooling radiator 47 is erected on the upper surface side of the traveling machine body 1 inside the wind tunnel case 46, and the radiator 47 is disposed to face the cooling fan 48 of the diesel engine 20.
- the outside air (cooling wind) is taken into the wind tunnel case 46 from the outside opening 46 a at the upper part of the wind tunnel case 46, and the cooling fan is introduced from the inside opening 46 b at the lower part of the wind tunnel case 46 into the engine room 43 through the radiator 47.
- the dust-removed corner cooling air is moved by 48 forces, and the diesel engine 20 and the like are cooled by the dust-removing corner cooling air. Note that a dust removal net is stretched in the machine-side opening 46a to prevent intrusion of dust and the like into the wind tunnel case 46.
- left and right engine room columns 71 are erected on the upper surface of the traveling machine body 1 on the rear side of the driving unit 10, and a back plate 72 is stretched between the left and right engine room columns 71.
- the engine room 43 is formed by the partition plate body 16, the engine room cover 44, the wind tunnel case 46, and the back plate body 72, and the output shaft 20a (crankshaft) of the diesel engine 20 is directed left and right to A diesel engine 20 is installed in the room 43.
- a left end portion of the output shaft 20a protrudes from the left side of the diesel engine 20, and a travel drive belt 73 and a threshing drive belt 74 are connected to the left end portion of the output shaft 20a, so that the travel crawler 2 and the threshing device 5 are connected.
- the driving force of the diesel engine 20 is output.
- an air cleaner 49 for supplying fresh air to the diesel engine 20 and an exhaust gas purification case 50 for processing exhaust gas of the diesel engine 20 are provided.
- the upper surface side of the engine room cover 44 is formed in a stepped manner, and the front upper surface 44a is formed lower and the rear upper surface 44b is formed higher on the upper surface side of the engine room cover 44.
- An auxiliary cover body 44c is provided between the rear end of the rear upper surface 44b of the engine room cover 44 and the upper ends of the left and right engine room columns 71.
- An air cleaner 49 is fixed to the lower surface of the auxiliary cover body 44c, and the rear upper surface 44b of the engine room cover 44 and The air cleaner 49 is disposed on the lower surface side of the auxiliary cover body 44c, and the sound deadening box body 40 is mounted on the upper surface side of the auxiliary cover body 44c, and the inside of the sound deadening box body 40 is placed in the wind tunnel case 46 via the fresh air intake pipe body 39.
- the air cleaner 49 is communicated with the inside of the sound deadening box 40.
- the air in the wind tunnel case 46 is taken into the intake manifold 19 of the diesel engine 20 via the air cleaner 49 and the fresh air intake pipe 49a.
- An electrical equipment box 38 is provided on the upper surface side of the sound deadening box 40, and an engine controller or the like is provided inside.
- the driver's seat 10b is supported on the upper side of the front upper surface 44a of the engine room cover 44 via the seat support mechanism 10d, and the exhaust gas is disposed on the front upper surface 44a of the engine room cover 44 and the lower surface side of the partition plate body 16.
- a purification case 50 is arranged.
- the exhaust gas purification case 50 is formed in a long cylindrical outer shape and is supported on the upper surface side of the diesel engine 20. In other words, the direction of the center axis of the output shaft 20a of the diesel engine 20 and the direction of movement of the exhaust gas inside the exhaust gas purification case 50 are matched.
- a long cylindrical exhaust gas purification case 50 is supported in parallel with the output shaft 20 a of the diesel engine 20.
- the exhaust gas intake side of the exhaust gas purification case 50 in which the exhaust inlet pipe 81 is disposed is positioned below the front upper surface 44a of the engine room cover 44, and the partition plate body.
- the exhaust gas extraction side of the exhaust gas purification case 50 in which the exhaust outlet pipe 82 is disposed is positioned.
- a tail pipe 84 is extended between the threshing device 5 and the glen tank 7 on the upper surface side of the traveling machine body 1, and the exhaust pipe is connected to the tail pipe 84.
- 82 is in communication.
- Exhaust gas discharged from the exhaust manifold 83 of the diesel engine 20 is discharged outside the machine from the exhaust gas purification case 50 via the tail pipe 84.
- the partition plate body 16 and the engine room cover 44 are formed in a double structure, and the left and right end portions of the internal space 16a of the double structure partition plate body 16 are opened.
- the left and right ends of the internal space 44d of the engine room cover 44 having a double structure are opened.
- the vertical thickness dimension of the partition plate body 16 and the vertical width dimension of the internal space 44d of the engine room cover 44 are substantially equal, and the right end portion of the partition plate body 16 is formed on the left end portion of the internal space 44d of the engine room cover 44. Insert the mating. That is, the left end portion of the engine room cover 44 is fitted to the right end portion of the partition plate body 16, and the internal space 16a of the partition plate body 16 and the internal space 44d of the engine room cover 44 are communicated.
- the right end portion of the internal space 44d of the engine room cover 44 is inserted into the wind tunnel case 46, and the internal space 44d of the engine room cover 44 is communicated with the interior of the wind tunnel case 46, so that the engine room cover 44 having a double structure is provided.
- the dual structure partition plate 16 and the engine room cover 44 cover the exhaust gas purification case.
- the heat insulation action of the internal space 16a of the partition plate body 16 and the heat insulation of the internal space 44d of the engine room cover 44 are provided. The action suppresses the heat on the engine room 43 side from being transmitted to the driver seat 10b on the upper surface side of the engine room cover 44 or the upper surface side of the side column 15.
- a lever fulcrum shaft mechanism 17 that supports the work clutch lever 14 and the like is disposed above the upper surface of the partition plate body 16 on the lower surface side of the horizontal surface portion of the side column 15.
- the left end of the partition plate 16 and the left end of the exhaust gas purification case 50 are positioned in a vertical plane, and the left end of the partition plate 16 and the left side of the left end of the exhaust gas purification case 50
- a clutch operation link mechanism 18 is arranged in which the threshing drive belt 74 is operated to be tensioned or relaxed in conjunction with the operation of the work clutch lever 14 or the like.
- a side column cover 15 a that covers the left side of the lever fulcrum shaft mechanism 17 or the clutch operation link mechanism 18 is provided, and the upper end of the side column cover 15 a is connected to the lower end of the left side surface of the side column 15. That is, the side column cover 15a is disposed to face the left opening of the internal space 16a of the partition plate body 16, and the clutch operation link mechanism 18 is provided between the partition plate body 16 and the exhaust gas purification case 50 and the side column cover 15a. Is placed.
- the reaping device 3, the threshing device 5, the traveling machine body 1 in which the reaping device 3 and the threshing device 5 are installed, and the engine room 43 on the traveling machine body 1 are installed.
- the driver's seat 10 b is supported on the upper surface side of the engine room 43, and the side column 15 is disposed on the inner side of the engine room 43.
- the exhaust gas purification case 50 is disposed on the upper surface side of the diesel engine 20 in the engine room 43 below the driver seat 10b, and a part of the exhaust gas purification case 50 is seen in a plan view on the side column 15. Wrapped with.
- the exhaust gas purification case 50 can be installed in the engine room 43 directly below the driver seat 10b, and the exhaust gas purification case 50 can be installed between the lower surface of the driver seat 10b and the upper surface of the diesel engine 20, and the driver seat 10b and the diesel engine 20
- the exhaust gas purifying case can be easily reduced in the left-right direction, but within the plan view outline (within the front-rear width and the left-right width of the diesel engine 20) using the space on the upper surface side of the diesel engine 20 50 can be installed compactly.
- the exhaust inlet pipe 81 of the exhaust gas purification case 50 can be formed close to the exhaust manifold 83 of the diesel engine 20, and the exhaust outlet pipe 82 of the exhaust gas purification case 50 can be formed using the space on the lower side of the side column 15. It can be easily extended toward the rear of the machine body, and the exhaust gas purification case 50 mounting structure or the exhaust gas inlet / outlet piping structure can be constructed at low cost.
- the partition plate body 16 as a heat shield plate body for partitioning the work clutch lever 14 (operation lever) installation portion on the upper surface side of the side column 15 and the exhaust gas purification case 50, and the engine room 43
- the engine room cover 44 is formed, and the partition plate 16 is continuously provided on one end side of the engine room cover 44. Therefore, the temperature rise on the side column 15 side can be easily suppressed by the heat insulating action of the partition plate body 16, and the hot air on the side column 15 side can be prevented from being transmitted to the operator sitting on the driver's seat 10b.
- a filter regeneration operation in which the exhaust gas temperature in the exhaust gas purification case 50 is maintained at a high temperature can be executed smoothly.
- the partition plate body 16 is formed in a double structure, and the air in the internal space of the partition plate body 16 is ventilated by the cooling wind power of the diesel engine 20. Therefore, the internal space of the partition plate body 16 can be ventilated using the outside air suction input of the radiator 47 (cooling fan 48) for cooling the diesel engine 20. There is no need to provide a special ventilation fan or the like for allowing air in and out of the internal space of the partition plate body 16 to be configured at low cost.
- the reaping device 3, the threshing device 5, the traveling machine body 1 in which the reaping device 3 and the threshing device 5 are installed, and the engine room 43 on the traveling machine body 1 are installed.
- an engine room cover 44 that forms the engine room 43 is provided, and the driver's seat 10b is disposed on the upper surface side of the engine room cover 44
- the exhaust gas purification case 50 is covered with a double-structure engine room cover 44.
- the exhaust gas purification case 50 can be disposed immediately below the driver seat 10b disposed on the upper surface of the engine room 43, and the exhaust gas purification case 50 can be supported between the lower surface of the driver seat 10b and the upper surface of the diesel engine 20, and the driver seat 10b.
- the exhaust gas purification case 50 can be compactly installed on the upper surface side of the diesel engine 20 while the installation width in the left-right direction of the diesel engine 20 can be easily reduced. Further, the temperature rise outside the engine room cover 44 can be suppressed, and the hot air in the engine room 43 can be prevented from being transmitted to the operator sitting on the driver's seat 10b.
- a filter regeneration operation in which the exhaust gas temperature in the exhaust gas purification case 50 is maintained at a high temperature can be executed smoothly.
- an exhaust gas purification case 50 is provided in the engine room 43 below the driver's seat 10b, and an air cleaner 49 is provided in the engine room 43 behind the driver's seat 10b so that at least the exhaust gas is provided.
- the front surface side or the upper surface side of the purification case 50 is configured to be covered with a double engine room cover 44. Therefore, the exhaust gas purification case 50 that becomes high temperature and the air cleaner 49 that takes in outside air can be compactly disposed above the diesel engine 20 and adjacent to each other.
- both the diesel engine 20 and the air cleaner 49 can be adjacent to the cooling air intake part of the diesel engine 20, and the outside air can be easily introduced into the air cleaner 49 from the cooling air intake part of the diesel engine 20.
- the radiator 47 is disposed adjacent to the diesel engine 20, and the internal space of the engine room cover 44 having a double structure is communicated with the outside air intake side of the radiator 47. . Therefore, the internal space of the engine room cover 44 can be ventilated using the outside air suction input of the radiator 47 (cooling fan 48). There is no need to provide a special ventilation fan or the like for allowing air in and out of the internal space of the engine room cover 44 to be constructed at a low cost.
- FIG. 8 the modified structure of FIG. 8 will be described with reference to FIG.
- the right end portion of the internal space 44d of the engine room cover 44 is closed.
- the ventilation fan 77 is provided at the right end of the internal space 44d, and the ventilation fan 77 is driven by the electric motor 78.
- the electric motor 78 is turned on.
- the timer is driven until a predetermined time elapses, and the air in the engine room 43 is supplied to the right end of the internal space 44d of the engine room cover 44 by the ventilation fan 77, and the left end of the internal space 16a of the partition plate body 16 is supplied. From the opening, the warm-up of the internal space 44d of the engine room cover 44 is discharged outside the apparatus.
- a ventilation fan 77 is provided for ventilating the internal space 44d of the engine room cover 44 having a double structure.
- the ventilation fan 77 is automatically activated.
- the electric ventilation fan 77 is delayed and automatically stopped after a certain time.
- a cylindrical air guide body 76 having one end facing the leeward side of the cooling fan 48 is provided, and the other end side of the air guide body 76 is communicated with the suction side of the ventilation fan 77 so that the internal space of the partition plate body 16 is communicated.
- a part of the cooling fan 48 wind may be taken into the internal space 44 d of 16 a or the engine room cover 44 via the air blowing guide body 76.
- an electric ventilation fan 77 for ventilating the internal space of the double-structure partition plate 16 is provided, and the electric ventilation fan 77 is delayed and stopped after a certain time with respect to the key switch 79 turning operation. It is configured as possible. Therefore, even if the key switch 79 is turned off and the cooling fan 48 of the diesel engine 20 is stopped, the ventilation of the partition plate body 16 (internal space) can be continued by the electric ventilation fan 77. It is possible to prevent the partition plate body 16 from being excessively heated by the heat generation (residual heat) of the exhaust gas purification case 50 after the diesel engine 20 is stopped. Moreover, the cooling of the partition plate body 16 can also promote the temperature drop of the operation lever (work clutch lever 14) installation portion on the upper surface side of the side column 15.
- an electric ventilation fan 77 that ventilates the internal space of the engine room cover 44 having a double structure is provided, and the electric ventilation fan 77 is delayed and stopped after a certain time from the turning operation of the key switch 79. Even if the key switch 79 is turned off and the cooling fan 48 of the diesel engine 20 is stopped, the electric ventilation fan 77 can continue to ventilate the engine room cover 44 (inner space 44d). . It is possible to prevent the engine room cover 44 from being excessively heated by the heat generation (residual heat) of the exhaust gas purification case 50 after the diesel engine 20 is stopped. Further, the cooling of the engine room cover 44 can also promote the temperature drop in the engine room 43.
- an intake manifold 19 is disposed on one side surface of the cylinder head 91 of the diesel engine 20.
- the cylinder head 91 is mounted on a cylinder block 92 containing an engine output shaft 20a and a piston (not shown).
- An exhaust manifold 83 is disposed on the other side of the cylinder head 91, and the front end and the rear end of the engine output shaft 20a are projected from the front and rear surfaces of the cylinder block 92.
- a flywheel housing 93 is fixed to the rear surface of the cylinder block 92.
- a flywheel 94 is provided in the flywheel housing 93.
- the power of the diesel engine 20 is extracted from the left end side of the engine output shaft 20a on which the flywheel 94 is pivotally supported toward the transmission case 42.
- an oil pan 95 is disposed on the lower surface of the cylinder block 92, a cooling fan 48 is disposed on the front surface side of the cylinder block 92, and a radiator 47 is disposed facing the cooling fan 48 (see FIG. 8).
- the intake manifold 19 is provided with an exhaust gas recirculation device (EGR) 96 that takes in exhaust gas for recirculation.
- EGR exhaust gas recirculation device
- An air cleaner 49 shown in FIG. 4 is connected to the intake manifold 19 via an exhaust gas recirculation device 96. The external air that has been dust-removed and purified by the air cleaner 49 is sent to the intake manifold 19 and supplied to each cylinder of the diesel engine 20.
- each of the injectors 97 for the four cylinders of the diesel engine 20 includes a fuel pump 98 and a common rail 99 for connecting a fuel tank (not shown).
- a common rail 99 and a fuel filter 100 are disposed on the intake manifold 19 installation side of the cylinder head 91, and a fuel pump 98 is disposed on a cylinder block 92 below the intake manifold 19.
- Each injector 97 has an electromagnetic switching control type fuel injection valve (not shown).
- a common rail 99 is connected to the discharge side of the fuel pump 98, a cylindrical common rail 99 is connected to each injector 97 of the diesel engine 20, high pressure fuel is temporarily stored in the common rail 99, and high pressure fuel in the common rail 99 is It is supplied into each cylinder (cylinder) of the diesel engine 20.
- the fuel of the diesel engine 20 is pumped to the common rail 99 by the fuel pump 98, the high-pressure fuel is stored in the common rail 99, and the fuel injection valves of the injectors 97 are controlled to open and close.
- the high-pressure fuel in 99 is injected into each cylinder of the diesel engine 20. That is, by electronically controlling the fuel injection valve of each injector 97, the fuel injection pressure, injection timing, and injection period (injection amount) can be controlled with high accuracy. Therefore, nitrogen oxides (NOx) discharged from the diesel engine 20 can be reduced.
- NOx nitrogen oxides
- an exhaust gas purification device for purifying exhaust gas discharged from each cylinder of the diesel engine 20
- diesel particulates that remove particulate matter in the exhaust gas of the diesel engine 20 are used.
- An exhaust gas purification case 50 as a filter (DPF) is provided.
- an oxidation catalyst 111 and a soot filter 112 are provided in the exhaust gas purification case 50.
- Exhaust gas discharged from each cylinder of the diesel engine 20 to the exhaust manifold 83 is discharged to the outside through the exhaust gas purification case 50 and the like.
- the exhaust gas purification case 50 is configured to reduce carbon monoxide (CO), hydrocarbon (HC), particulate matter (PM), and nitrogen oxides (NOx) in the exhaust gas of the diesel engine 20. is doing.
- the exhaust gas purification case 50 is configured in a horizontally long long cylindrical shape extending long in a direction parallel to the output shaft (crankshaft) of the diesel engine 20 in plan view.
- An exhaust inlet pipe 81 for taking in the exhaust gas is provided in the cylindrical middle part of the exhaust gas purification case 50.
- One end of the exhaust gas purification case 50 (upper side in the exhaust gas movement direction) is detachably supported on the front side of the cylinder head 32 of the front surface of the diesel engine 20 via the front support leg 113.
- the lower end side of the rear support leg 114 is fastened to the rear part of the exhaust manifold 83 in the rear surface of the diesel engine 20, and the other end of the exhaust gas purification case 50 (exhaust gas movement direction) is connected to the upper end side of the rear support leg 114.
- the lower side is detachably fastened.
- the lower end side of the auxiliary support leg body 117 is fastened to the rear surface of the cylinder head 32, and the upper end side of the auxiliary support leg body 117 is detachably supported on the upper end side of the rear support leg body 114.
- the exhaust gas purification case 50 is attached to the upper surface side of the diesel engine 20 through the front support leg 113, the rear support leg 114, and the auxiliary support leg 117.
- the longitudinal direction (exhaust gas movement direction) of the cylindrical exhaust gas purification case 50 is directed in the front-rear direction of the diesel engine 20, and the exhaust gas purification case 50 is placed in parallel with the exhaust manifold 83 above the exhaust manifold 83. Support the rack posture.
- the exhaust column 115 is erected on the rear surface of the cylinder head 32, the outlet tube bracket 116 is welded and fixed to the exhaust outlet tube 82, and the outlet tube bracket is disposed on the upper end side of the exhaust column 115. 116 is bolted so that the mounting height can be adjusted. That is, the exhaust outlet pipe 82 is supported on the upper end side of the exhaust column 115 on the rear surface of the cylinder head 32 via the outlet pipe bracket 116 so that the position of the exhaust outlet pipe 82 can be adjusted in the vertical direction.
- the exhaust inlet inner diameter on the front end side of the tail pipe 84 is made larger than the outer diameter of the exhaust outlet on the rear end side of the exhaust outlet pipe 82, and the exhaust inlet of the tail pipe 84 is fitted into the exhaust outlet of the exhaust outlet pipe 82 in a loose fit. Then, outside air is sucked into the exhaust inlet of the tail pipe 84 through the gap between the exhaust outlet of the exhaust outlet pipe 82 and the exhaust inlet of the tail pipe 84 (see FIG. 11).
- an engine suspension hook hole 115a is formed on the upper end side of the exhaust column 115, and a front hook bracket 118 for engine suspension on the front side of the cylinder head 32 and a rear hook bracket for engine suspension.
- the exhaust strut 115 also serves as a hoist or chain block, and the diesel engine 20 is suspended from a cargo handling suspension (not shown) so that the diesel engine 20 can be assembled to or removed from the traveling machine body 1.
- a front support bracket 85 is welded and fixed to the front end side of the crank-shaped tail pipe 84 in a side view, and the front support bracket 85 is attached to the pipe base 86 on the left side of the left engine room column 71. 85 is bolted so that the mounting position can be adjusted.
- the front end side of the tail pipe 84 is supported by the pipe base 86 via the front support bracket 85 so that the position of the tail pipe 84 can be adjusted in the left-right direction.
- a rear support bracket 87 is fixed by welding to the rear end side (exhaust outlet) of the tail pipe 84 that is opened rearward, and the rear support bracket 87 is bolted to the upper surface side of the traveling machine body 1 so that the traveling machine body 1 is leveled.
- the exhaust outlet end portion of the tail pipe 84 is supported at the frame height.
- the exhaust gas purification case 50 above the diesel engine 20 is supported substantially at the same height as the exhaust inlet side of the tail pipe 84, and the frame height of the traveling machine body 1 on which the threshing device 5 or the Glen tank 7 is placed is substantially the same.
- the exhaust outlet side of the tail pipe 84 is supported at the same height so that the rear end edge of the pulley cover plate 88 is disposed close to the vertically extending portion in the middle of the crank shape of the tail pipe 84, and the threshing device 5
- the outside of the tang pulley 89 for inputting the driving force of the diesel engine 20 is surrounded by the tail pipe 84 and the pulley cover plate 88, and the outside air warmed by the exhaust heat of the tail pipe 84 is selected as the tang fan 53. It is comprised so that it may be attracted to.
- an engine hanging rear hook metal fitting 211 is erected on the rear surface side of the cylinder head 32 as shown in FIGS.
- the diesel engine 20 can be suspended from a cargo handling suspension device (not shown) such as a hoist or chain block by the engine hanging front hook fitting 118 and the engine hanging rear hook fitting 211. .
- an exhaust pipe support 117a is integrally formed on the upper end side of the auxiliary support leg 117 fastened to the rear support leg 114, and an outlet pipe bracket 116 is welded to the exhaust outlet pipe 82.
- the outlet pipe bracket 116 is attached to the exhaust pipe support portion 117a, and the bolt 212 is fastened so that the height can be adjusted.
- the exhaust gas outlet pipe 50a of the exhaust gas purification case 50 is fitted with the inlet side of the exhaust outlet pipe 82, and the exhaust outlet pipe 82 is fastened with the bolt 213 to the exhaust gas outlet pipe 50a.
- the exhaust outlet pipe 82 is supported on the upper end side of the exhaust column 115 on the rear surface of the cylinder head 32 via an outlet pipe bracket 116 so that the position of the exhaust outlet pipe 82 can be adjusted in the vertical direction.
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- Engineering & Computer Science (AREA)
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- Environmental Sciences (AREA)
- Combines (AREA)
- Mechanical Engineering (AREA)
- Combustion & Propulsion (AREA)
- General Engineering & Computer Science (AREA)
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Abstract
Description
3刈取装置
5脱穀装置
10b 運転座席
14 作業クラッチレバー(操作レバー)
15 サイドコラム
16 仕切り板体(遮熱板体)
16a 仕切り板体の内部空間
20ディーゼルエンジン
43 エンジンルーム
44 エンジンルームカバー
44d エンジンルームカバーの内部空間
47 ラジエータ
50 排気ガス浄化ケース
77 換気ファン
79 キースイッチ
Claims (8)
- 刈取装置と、脱穀装置と、前記刈取装置及び脱穀装置を装設する走行機体と、前記走行機体上のエンジンルームに内設させるエンジンと、前記エンジンの排気ガスを処理する排気ガス浄化ケースを備えるコンバインにおいて、
前記エンジンルームの上面側に運転座席を支持させ、前記エンジンルームの機内側方にサイドコラムを配置すると共に、前記運転座席下方の前記エンジンルーム内部のうち前記エンジン上面側に前記排気ガス浄化ケースを配置する構造であって、前記サイドコラムに前記排気ガス浄化ケースの一部を平面視でラップさせたことを特徴とするコンバイン。 - 前記サイドコラム上面側の操作レバー設置部と前記排気ガス浄化ケースの間を仕切る遮熱板体と、前記エンジンルームを形成するエンジンルームカバーを備え、前記エンジンルームカバーの一端側に前記遮熱板体を連続的に設けたことを特徴とする請求項1に記載のコンバイン。
- 前記遮熱板体を二重構造に形成し、前記エンジンの冷却風力にて、前記遮熱板体の内部空間の空気を換気するように構成したことを特徴とする請求項2に記載のコンバイン。
- 二重構造の前記遮熱板体の内部空間を換気する電動換気ファンを備え、キースイッチの切り操作に対して一定時間後に、電動換気ファンが遅延して停止可能に構成したことを特徴とする請求項2に記載のコンバイン。
- 前記エンジンルームを形成するエンジンルームカバーを設け、前記エンジンルームカバーの上面側に運転座席を配置する構造であって、二重構造の前記エンジンルームカバーにて前記排気ガス浄化ケースを覆うように構成したことを特徴とする請求項1に記載のコンバイン。
- 前記運転座席の下方の前記エンジンルームに前記排気ガス浄化ケースを内設させると共に、前記運転座席の後方の前記エンジンルームにエアクリーナを内設させ、少なくとも前記排気ガス浄化ケースの前面側または上面側が前記二重構造のエンジンルームカバーにて覆われるように構成したことを特徴とする請求項5に記載のコンバイン。
- 前記エンジンに隣接させてラジエータを配置する構造であって、二重構造の前記エンジンルームカバーの内部空間を、ラジエータの外気吸入側に連通させたことを特徴とする請求項5に記載のコンバイン。
- 二重構造の前記エンジンルームカバーの内部空間を換気する電動換気ファンを備え、キースイッチの切り操作に対して一定時間後に、電動換気ファンが遅延して停止可能に構成したことを特徴とする請求項5に記載のコンバイン。
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Cited By (2)
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WO2017065117A1 (ja) * | 2015-10-16 | 2017-04-20 | ヤンマー株式会社 | コンバイン |
WO2019009839A3 (en) * | 2016-12-07 | 2019-02-21 | Ford Otomotiv Sanayi A.S. | MODULAR EXHAUST EXHAUST PIPE |
Families Citing this family (2)
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JP6983516B2 (ja) * | 2016-04-28 | 2021-12-17 | 株式会社クボタ | 作業車 |
KR20180023809A (ko) * | 2016-08-26 | 2018-03-07 | 이세키노우키가부시키가이샤 | 콤바인 |
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JP2005048754A (ja) * | 2002-10-31 | 2005-02-24 | Denso Corp | 内燃機関の排ガス浄化装置 |
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JP2011244782A (ja) * | 2010-05-31 | 2011-12-08 | Iseki & Co Ltd | コンバイン |
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2013
- 2013-07-12 JP JP2013146763A patent/JP2015015938A/ja active Pending
-
2014
- 2014-07-09 KR KR1020157032140A patent/KR20160030081A/ko not_active Application Discontinuation
- 2014-07-09 WO PCT/JP2014/068317 patent/WO2015005389A1/ja active Application Filing
- 2014-07-09 CN CN201480038846.2A patent/CN105357953A/zh active Pending
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US4606422A (en) * | 1985-03-06 | 1986-08-19 | Deere & Company | Cooling air delivery systems |
JP2000236736A (ja) * | 1999-02-23 | 2000-09-05 | Kubota Corp | コンバインの運転部構造 |
JP2010216335A (ja) * | 2009-03-16 | 2010-09-30 | Yanmar Co Ltd | エンジン装置 |
JP2013000001A (ja) * | 2011-06-10 | 2013-01-07 | Kubota Corp | 収穫機 |
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WO2019009839A3 (en) * | 2016-12-07 | 2019-02-21 | Ford Otomotiv Sanayi A.S. | MODULAR EXHAUST EXHAUST PIPE |
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JP2015015938A (ja) | 2015-01-29 |
CN105357953A (zh) | 2016-02-24 |
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