WO2001094706A1 - Engin de travaux publics - Google Patents
Engin de travaux publics Download PDFInfo
- Publication number
- WO2001094706A1 WO2001094706A1 PCT/JP2001/002399 JP0102399W WO0194706A1 WO 2001094706 A1 WO2001094706 A1 WO 2001094706A1 JP 0102399 W JP0102399 W JP 0102399W WO 0194706 A1 WO0194706 A1 WO 0194706A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- cooling
- cooling device
- fan
- parallel
- engine
- Prior art date
Links
- 238000010276 construction Methods 0.000 title claims abstract description 37
- 238000001816 cooling Methods 0.000 claims abstract description 266
- 238000005192 partition Methods 0.000 claims description 37
- 238000004891 communication Methods 0.000 claims description 10
- 238000011144 upstream manufacturing Methods 0.000 claims description 7
- 238000009423 ventilation Methods 0.000 claims description 7
- 238000007789 sealing Methods 0.000 claims description 2
- 238000000034 method Methods 0.000 claims 2
- 238000004140 cleaning Methods 0.000 abstract description 22
- 230000000694 effects Effects 0.000 abstract description 9
- 239000003921 oil Substances 0.000 description 46
- 239000000428 dust Substances 0.000 description 6
- 235000015095 lager Nutrition 0.000 description 4
- 210000003813 thumb Anatomy 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 239000010720 hydraulic oil Substances 0.000 description 3
- 240000001970 Raphanus sativus var. sativus Species 0.000 description 2
- 238000007664 blowing Methods 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 230000001737 promoting effect Effects 0.000 description 2
- 230000001629 suppression Effects 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 238000009412 basement excavation Methods 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 239000002826 coolant Substances 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000003203 everyday effect Effects 0.000 description 1
- 239000002828 fuel tank Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 230000002195 synergetic effect Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- 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
-
- 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
-
- 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
- F01P3/00—Liquid cooling
- F01P3/18—Arrangements or mounting of liquid-to-air heat-exchangers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K11/00—Arrangement in connection with cooling of propulsion units
- B60K11/02—Arrangement in connection with cooling of propulsion units with liquid cooling
- B60K11/04—Arrangement or mounting of radiators, radiator shutters, or radiator blinds
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K11/00—Arrangement in connection with cooling of propulsion units
- B60K11/08—Air inlets for cooling; Shutters or blinds therefor
-
- 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
- F01P3/00—Liquid cooling
- F01P3/18—Arrangements or mounting of liquid-to-air heat-exchangers
- F01P2003/182—Arrangements or mounting of liquid-to-air heat-exchangers with multiple heat-exchangers
-
- 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
- F01P3/00—Liquid cooling
- F01P3/18—Arrangements or mounting of liquid-to-air heat-exchangers
- F01P2003/185—Arrangements or mounting of liquid-to-air heat-exchangers arranged in parallel
-
- 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
- F01P3/00—Liquid cooling
- F01P3/18—Arrangements or mounting of liquid-to-air heat-exchangers
- F01P2003/187—Arrangements or mounting of liquid-to-air heat-exchangers arranged in series
-
- 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
- F01P11/00—Component parts, details, or accessories not provided for in, or of interest apart from, groups F01P1/00 - F01P9/00
- F01P11/06—Cleaning; Combating corrosion
- F01P2011/063—Cleaning
-
- 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
- F01P2060/00—Cooling circuits using auxiliaries
- F01P2060/02—Intercooler
-
- 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
- F01P2060/00—Cooling circuits using auxiliaries
- F01P2060/04—Lubricant cooler
-
- 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
- F01P2060/00—Cooling circuits using auxiliaries
- F01P2060/14—Condenser
-
- 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
- F01P2070/00—Details
Definitions
- the present invention includes an engine for operating a construction machine and a plurality of cooling devices, wherein any one of the plurality of cooling devices is disposed in parallel, and the cooling devices disposed in parallel are provided.
- the present invention relates to construction machinery that uses a single cooling fan to cool the equipment, improves cooling efficiency, reduces operating noise leakage, and facilitates cleaning of cooling equipment. Background art
- Construction machines include, for example, hydraulic excavators that excavate earth and sand, such as dams, tunnels, roads, water and sewage systems, and dismantle buildings.
- the hydraulic excavator includes a lower traveling body, an upper revolving body pivotally supported on the lower traveling body, and a working device provided in front of the upper revolving body.
- the above-mentioned upper revolving structure is usually provided with a cabinet for the operator room of the working machine, but there is a mini hydraulic excavator which does not have the above-mentioned cabin and only has a seat for an operator to sit on.
- an engine a hydraulic pump, a cooling system, a battery, a control valve, a fuel tank, a hydraulic oil tank, etc. are provided on the frame of the upper revolving superstructure.
- the construction machine performs operations such as traveling by the lower traveling structure, turning by the upper revolving structure, and excavation by the working device.
- the above operation is performed by a hydraulic actuator composed of a hydraulic motor and a hydraulic cylinder.
- the hydraulic pump 05 operated by the engine 03 is configured to supply the hydraulic pressure to the actuator over night.
- equipment such as the engine 03, the Lager's house 06, the hydraulic pump 05, and a direction switching valve for switching the direction of the pressure oil supplied from the hydraulic pump 05 are arranged in the upper revolving unit.
- the upper revolving structure is provided with an engine room 02 covered with a cover 01.
- An engine 03 is provided in the engine room 02, and the engine 03 is cooled to cool the engine 03.
- An oil cooler 0 10 for cooling oil, an intercooler 08 for cooling air supplied to a combustion chamber of the engine 03, and a condenser 0 12 are provided.
- the above-mentioned in-cooler 08, oil cooler 010, Germany 1 06, and condenser 0 12 are cooling devices R for cooling cooling water and hydraulic oil.
- a cooling fan 0 14 driven by an engine 03 that cools the cooling medium of the cooling device R by flowing cooling air through the R is provided.
- the cover 01 constituting the engine room 02 has an outside air inlet port 0a for introducing outside air, and after cooling the cooling device R introduced above from inside the engine room 02, An exhaust port 0 1 b is provided for cooling the engine 03, the hydraulic pump 05, the directional control valve, etc., and discharging the high-temperature air to the outside by the cooling fan 014.
- cooling air is introduced from the outside air inlet 0 1 a of the cover 0 1 constituting the engine room 0 2, and an airflow is generated in the engine room 0 2 as shown by an arrow, and the above-mentioned engine 0 2 And the hydraulic pump 05, the directional control valve, etc. are cooled and discharged from the discharge port 01b.
- the flow of the cooling air to the cooling device R provided in the engine room 02 is supplied from the upstream side to the condenser 0 12, the ink cooler 08, The oil cooler flows in the order of 0 10 and then Laje night 06.
- the air cooler 08 cools the air compressed by the supercharger 0 16 that supercharges the intake air to the engine 03.Therefore, a filter device is provided outside the engine room 02. 0 17 is provided to prevent intrusion of dust and the like.
- the supercharger 0 16 rotates the turbine with the energy of the exhaust gas of the engine 03 to compress the intake air, and the temperature rises due to the adiabatic compression. It needs to be cooled before it is supplied to the engine 03 for power and exhaust gas and cleaning.
- the intercooler 08 is provided to cool the intake air, and is generally cooled to about 40 to 70 ° C. at room temperature.
- the medium to be cooled in the intercooler 08 must be cooled to a temperature lower than that of the other heat exchangers. 08 is generally arranged on the most upstream side of the air flow or on the upstream side of Laje night.
- turbocharger 0 16 since the turbocharger 0 16 must be arranged at the position of the engine 03, the distance between the turbocharger 0 16 and the intercooler 08 and between the intercooler 08 and the engine 03 are The pipes 0 18 and 0 19 through which the compressed air flows are connected.
- the condenser 0 12, the intercooler 08, the oil cooler 0 10, and the Lajéa 06 are arranged so as to be close to each other, but in the dusty work site, the condensers 0 1 2 and Since dust and the like adhere to the intercooler 08, the oil cooler 010, and the radie 06, the above work cannot be continued unless the dust and the like are relatively frequently cleaned.
- the hydraulic excavator when the intercooler 08, the oil cooler 010, and the Laje night 06 are arranged in this order, the hydraulic excavator must be installed in a narrow space in the engine room 02, especially for small turning machines. In some cases, it becomes difficult to turn the oil cooler 010 in a small space in the engine room 02 of the small hydraulic excavator. Further, if the intercooler 08 and the oil cooler 010 or the lazyer 06 are arranged so as to overlap with each other, the intercooler 08 is in the way and the oil cooler 010 cannot be cleaned.
- Laje Night 06 or the oil cooler 0 10 is made of lightweight aluminum alloy, easily pulled upward, open the back of the evening cooler 08, and remove the air cooler 08, for example, of the air jet. After cleaning with a nozzle and cleaning the radiator plate 06 or oil cooler 010 pulled out above, it is returned to the original part and mounted.
- the cooling device, the engine 03, and the hydraulic pump 05 are opened in the engine room 02 via a core having a large cooling air flow passage area of the cooling device. Since it is located in the cooling air passage that communicates with the air, the noise of the engine 03 and the cooling fan 0 14 may be transmitted to the outside from the large area described above, causing noise.
- the present invention has been made in view of such a problem, and any one of a plurality of cooling devices mounted on a construction machine is arranged in parallel, and the remaining one of the plurality of cooling devices is provided.
- the cooling device is arranged with an interval from the cooling device arranged in parallel with the cooling device arranged in parallel with the cooling device arranged in parallel with the cooling device arranged in parallel with the cooling device arranged in parallel with the cooling device arranged in parallel.
- An object of the present invention is to provide a low-noise construction machine that includes a cooling fan provided to face the device, can easily clean the cooling device, and can improve cooling efficiency. Disclosure of the invention
- a construction machine includes a substantially sealed engine room portion formed so as to be substantially sealed and provided with an engine, and one of a plurality of cooling devices arranged in parallel. It is characterized in that the cooling device provided and a single cooling fan for cooling the cooling devices provided in parallel are arranged so as to be superposed.
- the cooling device can be easily cleaned to improve the cooling efficiency, and the noise leakage of the engine can be reduced.
- a construction machine of the present invention includes a partition member provided between a cooling fan for cooling a plurality of cooling devices and an engine, and the above-described cooling device and cooling fan partitioned by the partition member.
- the cooling fan is composed of a single cooling fan.
- the cooling device arranged in parallel and the remaining cooling device of the plurality of cooling devices are arranged so as to be superposed. This makes it possible to configure the entire plurality of cooling devices in a compact manner, effectively improve the cooling efficiency with the single cooling fan, and reduce the cost.
- a gap is provided between the cooling device in which any one of the plurality of cooling devices is arranged in parallel and the remaining cooling device among the plurality of cooling devices so as to enable cleaning. To be configured.
- an air jet nozzle is inserted between the cooling device in which any one of the plurality of cooling devices is arranged in parallel and the remaining cooling device to easily remove dust from the cooling device. Can be cleaned.
- the apparatus is provided with a gap filling cover for substantially at least substantially sealing the periphery of the gap or a substantially closed gap filling cover that can be opened and closed or detachable.
- the above-mentioned gap filling cover that can be opened and closed or detached is applied, the cooling efficiency is improved, and at the time of the above-mentioned cleaning, the above-mentioned gap filling cover that can be opened and closed or detachable is opened to fill the gap.
- Air jet The dust of the cooling device can be easily cleaned by inserting the nozzle.
- the degree of freedom at the time of design is increased by the above ratio, and can be appropriately set according to the design specifications.
- the gap D is set to be about 30 to 300 mm, and preferably, the gap D is set to be about 40 to 100 mm.
- the cooling device provided on the upstream side among the cooling devices provided in an overlapped manner is constituted by an intercooler.
- the intercooler and the cooling device can be easily cleaned.
- the substantially closed engine room is configured to suck cooling air introduced by the cooling fan, or the temperature in the substantially closed engine room is increased by cooling air introduced by the cooling fan. The cooling air thus drawn out is sucked out of the suction hole of the partition member to be ventilated.
- the cooling fan is constituted by an axial fan, an oblique axial fan, or a centrifugal fan. This makes it possible to improve the cooling efficiency by appropriately using an axial fan, an oblique axial fan, or a centrifugal fan, thereby achieving a compact structure.
- an ejector is provided in the substantially closed engine room.
- the inside of the above substantially closed engine room can be efficiently cooled by the ejector.
- the ejector and the ventilation fan will be installed in the substantially closed engine room.
- the synergistic effect of the ejector and the ventilation fan can improve the cooling effect in the substantially closed engine room.
- FIG. 1 shows a first embodiment of the present invention, and is a schematic side view showing a side surface of a construction machine of the present invention.
- FIG. 2 is a schematic explanatory view (plan view) showing the section taken along line 2A-2A in FIG.
- FIG. 3 is a schematic explanatory view (a front view from the rear) showing an arrow 3A in FIG.
- FIG. 4 is a schematic explanatory view showing an enlarged schematic perspective view of the cooling device shown in FIG. 3.
- FIG. 4 (A) is a schematic diagram showing the cooling device which overlaps with an oil cooler and an intercooler arranged in parallel in the vertical direction.
- FIG. 4B is a schematic explanatory view showing a case where the evening is arranged.
- FIG. 4B is a schematic explanatory view showing a state where the intercooler can be cleaned when the oil cooler in FIG. 4A is rotated.
- FIG. 5 is a schematic explanatory view showing a modified example of FIG. 4 (A).
- Fig. 6 shows a modified example of Fig. 5.
- A shows a case where the Laje and the oil cooler are arranged in parallel and the ink cooler is arranged with a gap.
- Fig. (B) is a schematic explanatory view showing another mounting structure of the gap filling cover shown in Fig. 6 (A), and (C) is a structure in which the above gap filling cover is arranged above and below the in-cooler.
- D is a schematic explanatory view showing a mounting structure when the gap filling force par is removably arranged on the outer periphery of the ink cooler.
- FIG. 7 is a schematic explanatory view showing a modified example of FIG. 6 (A).
- FIG. 8 shows a second embodiment of the present invention, and is a schematic explanatory diagram showing a state similar to FIG.
- FIG. 9 is a schematic explanatory view showing a view 9A in FIG.
- FIG. 10 shows a third embodiment of the present invention, and is a schematic explanatory diagram showing a state similar to FIG.
- FIG. 11 is a schematic explanatory view showing a longitudinal section of an engine room of a conventional hydraulic shovel.
- FIG. 1 shows a first embodiment of the present invention, and is a schematic side view showing a side surface when a construction machine of the present invention is applied to a hydraulic shovel.
- the hydraulic excavator P includes an upper rotating body 2, a lower traveling body 4, and a working device 6, as shown in FIG.
- An operator room cabin 8 is provided at the front end of the upper revolving unit 2, a counterweight 10 is provided at the rear end thereof, and the upper revolving unit 2 is further provided with a counterweight 10. As shown in FIGS. 2 and 3, on the frame, a suction-type engine room 12 is provided on the front side of the counterweight 10 of the excavator P.
- a cooling device R including a plurality of intercoolers 14, an oil cooler 16 and a Lager 18 is provided in the engine room 12. Then, a plurality of cooling devices R are arranged downstream of the cooling device R 1 in which the oil cooler 16 and the intercooler 14 among the plurality of cooling devices R are arranged in parallel in the vertical direction.
- the remaining cooling unit RN, a radiator 18, is installed, and an oil cooler 16, which is arranged so as to abut as close as possible to the overlapping surface with the upper part of this radie 18,
- An intercooler 14 is provided adjacent to the lower part of the oil cooler 16 and at a distance D determined by the design specification from the Lager 18.
- a single cooling fan 20 provided on the downstream side of the cooling device R provided in the engine room 12 for cooling the cooling device R as described above is provided. Is provided.
- a hydraulic pump 24 connected to and driven by the engine 22 and the engine 22 is provided behind the cooling fan 20, and a partition plate DW is provided between the engine 22 and the hydraulic pump 24. Have been.
- the cooling device R1 (intercooler 14 and oil cooler 16 in the first embodiment) in which one of the cooling devices R is disposed in parallel with the cooling device RN (the first cooling device) of the plurality of cooling devices.
- Rage overnight And a single cooling fan 20 provided to oppose the above-described cooling device RN, R1 disposed so as to be superimposed and cooling the cooling device RN, R1. It is configured to be.
- a guide member 26R is provided on the downstream side of the partition member 26 (the back surface of the partition member 26), and left and right with respect to a communication hole 26a provided in the partition member 26.
- the guide member 26R has at least the size of the communication hole 26a of the partition member 26, and is preferably a communication hole larger than the communication hole 26a.
- the supercharger 32 when the supercharger 32 is provided in the engine 22 as shown in FIG. 3, when the supercharger 32 is provided between the intercooler 14 and the intercooler 14 and the engine 22 is provided.
- the upper partition (also used as engine hood) W a which constitutes the partition member 26, the outer periphery of the Lagers 18 and the cover 1 that constitutes the engine room 12, and the piping 34, 36 through which compressed air flows. It is connected through a partition 18a provided between the front partition Wb, the rear partition Wc, and the bottom partition Wd.
- side partitions W s are provided on the left and right sides of the rear part of the hydraulic shovel which constitutes the cover 1 which constitutes the engine room 12.
- a muffler 38 connected to an exhaust port is provided in the upper rear part of the engine 22.
- the exhaust gas of the engine 22 is exhausted through an exhaust pipe 40, and a part of the exhaust gas is exhausted. It is supplied via 3 2 a to operate the turbocharger 32.
- the oil cooler 16 is rotated between the radiator 18 and the upper revolving unit 2 via the hinge mechanism 44.
- the oil cooler 16 has pipes 17a and 17 provided on the supply and discharge sides of the hydraulic oil that rotates coaxially with the rotation axis AX.
- the pipes 17a and 17b are configured to be prevented from being twisted or damaged even when the oil cooler 16 rotates, since they are connected via the rotating pipe joint 21.
- the suction-type closed-type engine room portion 30 of the first embodiment is configured as described above, when the engine 22 and the cooling fan 20 operate, the outside air inlet 1 a of the cover 1 is formed. After the cooling air is introduced from the cooling device R to cool the cooling device R, the cooling air is introduced into the substantially enclosed engine room 30 through the partition member 26 and the guide member 26 R through the communication hole 26 a and the engine 22 and the muffler. After being cooled, it is discharged from the discharge port 1b provided in the cover 1.
- the configuration of the cooling device R of the first embodiment is useful.
- the cooling device R 1 (oil cooler 16 and intercooler 14) in which any one of a plurality of cooling devices R such as Laje overnight 18, oil cooler 16, and intercooler 14 is arranged in parallel.
- the oil cooler 16 rotates through the hinge mechanism 44 with respect to the remaining cooling devices RN (Lajera 18) of the plurality of cooling devices R through the hinge mechanism 44 as shown in FIG. Since the upper end of the air cooler 14 can be opened, the nozzle of the air jet is inserted between the air cooler 18 and the intercooler 14 and blown off, so that the air cooler 14 and the air cooler 14 can be opened.
- the oil cooler 16 and the radiator that are open above can be easily cleaned overnight.
- the air jets 18 can also be easily cleaned by being blown off by the air jet nozzle.
- the oil cooler 16 was returned to the original position as shown in FIG. 4 (A), and the oil cooler 16 was applied as a locking member provided between the oil cooler 16 and the intercooler 14.
- the fastening port 46 can be easily detachably fastened and fixed.
- the distance D between the indoor cooler 14 and at least one of the plurality of cooling devices R is appropriately determined by design specifications.
- the interval D is normally set to about 30 to 200 mm, and the interval D is set to about 30 to 300 mm for large models and special models, preferably about 4 to 400 mm.
- the distance may be set to 0 to 100 mm.
- the intercooler 14 and the other cooling device R are arranged so as to be superposed.
- the above-described superimposed cooling device R is not limited to the intercooler 14.
- the other cooling device R and the other cooling device R are superimposed, the same operation and effect can be obtained by providing the space D between the two cooling devices to be superposed.
- This modified example is a cooling device comprising a plurality of coolers (cooling devices) as described above.
- a cooling device (oil cooler 16 and Laje night 18) in which one of the units R is arranged adjacently to the left and right in parallel with the Laje night 18 of R1 and the interval D
- the remaining cooling device (inlet cooler 14) RN of the cooling device R composed of the above-described cooler is disposed as shown in FIG. 5, and the condenser 19 of the air conditioner is connected to the above oil cooler. It is arranged with 16 and the above-mentioned interval D.
- FIG. 6 (A) modified examples include a cooling device (oil cooler 16 and Rajeha 18) R 1, in which one of the cooling devices R including a plurality of the above-described coolers is arranged in parallel as described above.
- the cooling is performed by a single cooling fan 20 as in the first embodiment, so that not only the cost can be reduced, but also the cleaning of the ink tank 16 and the oil tank 18 and the oil of the oil tank 18 are performed during the cleaning.
- the cleaning can be easily performed by inserting the nozzle of the aerial jet into the gap D between the cooler 16 and blowing it away, so that the cleaning efficiency can be improved.
- a gap filling cover CV that closes at least the periphery of the gap D shown in FIG. If it is provided detachably or openable and closable along with a thumb screw 48a, it is possible to prevent a reduction in cooling efficiency due to the leakage of cooling air from the gap D described above.
- the gap filling cover CV that can be opened or closed is applied, the cooling efficiency is improved, and at the time of the above cleaning, the gap filling cover CV that can be opened or removed is opened to fill the gap D.
- FIG. 6 (A) Another example of the mounting structure of the gap filling cover C V shown in FIG. 6 (A) will be described with reference to FIGS. 6 (B) to 6 (D).
- the ink cooler 14 is attached by a bracket R S2 extending from a frame R S1 provided on the Laje night 18 and the oil cooler 16.
- one end of the gap filling cover CV is attached to the frame RS 1 via a hinge CV h so that it can be opened and closed with a thumb screw 48 a, etc., and the other end is detachable with an intercooler 14 and a thumb screw 48 a. And is arranged along the outer periphery of the intercooler 14 so as to close the gap D of the intercooler 14.
- the one shown in FIG. 6 (C) is one in which the above-mentioned gap filling cover CV is provided above and below the intercooler 14 and is applied when the above-mentioned gap D is small. Reduction can be achieved.
- the gap filling cover CV is removably attached to the outer periphery of the intercooler 14 with the thumb screw 48a to open and close the gap D.
- the intercooler 14 as appropriate It may be provided.
- the gap filling cover CV described in FIG. 6 is provided in the gap D shown in FIGS. 2 to 5, the cooling air fluid is prevented from leaking from the gap D and the cooling efficiency is improved. Can be.
- a cooling device in which any one of the cooling devices R including a plurality of the above coolers is disposed in parallel is provided. ) R1.
- the remaining cooling device (condenser 19 of the air conditioner) RN of the cooling device R including a plurality of the above-described coolers is connected to the cooling device R 1 arranged in parallel as shown in FIG. Are separately provided and arranged at appropriate locations.
- the intercooler 14, the oil cooler 16 and the Laje night 18 are cooled by a single cooling fan 20, so that not only can the cost be reduced, but also the cleaning time can be reduced.
- the intercooler 14, Lü 18, and oil cooler 16 are individually provided, so they can be rotated as described above, or can be directly connected to the air jet without providing the interval D. Since cleaning can be easily performed by blowing off with a nozzle, work efficiency can be improved.
- FIGS. 8 and 9 a second embodiment of the present invention will be described with reference to FIGS. 8 and 9.
- the same reference numerals will be given to substantially the same portions as those in the first embodiment, and differences will be described.
- the second embodiment is different from the cooling device used in the first embodiment shown in FIG.
- the engine room constitutes a suction-type, substantially closed-type engine room section 30a.
- the partition member 26A of the part 30a has a plurality of suction holes 26b in the upper part as shown in FIG.
- the cooling device 20 Since a blind portion 26c is formed in a lower portion of the suction hole 26b of the partition member 26A, the cooling device 20 is introduced from the air inlet 1a by the operation of the cooling fan 20. The fluid flow of the cooling air that has cooled R collides with the blind portion 26c of the partition member 26A, is turned upward, and is discharged from the flow outlet 3b.
- the cooling air whose upward direction has been changed above flows through the front surface of the suction hole 26 b at the upper part of the partition member 26 A, and generates a negative pressure region at the front portion of the suction hole 26 b. Therefore, the high-temperature cooling air in the substantially closed engine room section 30a is sucked out, and is discharged from the outlet 3b together with the cooling air that has cooled the cooling device R, so that the substantially closed engine room section 30a is discharged.
- the air inside can be ventilated effectively. If the guide member 26 R provided on the engine side of the partition member 26 as shown in FIGS. 2 and 3 is also provided on the engine side of the partition member 26 A, the ventilation efficiency can be increased. Can be improved.
- the ejector EJ is provided in the substantially closed engine room section 30a as shown in FIG. 9, the cooling effect in the substantially closed engine room section 30a is reduced.
- the leakage of noise generated from the engine and the hydraulic pump 24 in the substantially closed-type engine room portion 30a can be reduced while improving noise.
- a muffler 38 is provided in an exhaust pipe 40 of the engine 22, and an exhaust outlet end 40 a of the muffler 38 is provided.
- the upper bulkhead Wa (or the engine housing) that constitutes the cover 1 of the above substantially closed engine room section 30a -Dual use) is provided.
- a part of the upper partition wall Wa is used to exhaust the heated air in the substantially closed engine room part 30a using the exhaust pressure of the engine 22 discharged to the outside, and to discharge the heated air to the outside. If the ejector EJ consisting of a pipe is provided, the substantially enclosed engine room 30a, the engine 22 and the like can be cooled more effectively, and the cooling efficiency can be improved.
- the ejector EJ includes an exhaust outlet end 40a of an exhaust pipe 40 extending from the muffler 38 as an inner pipe protruding from the muffler 38, and an exhaust outlet end 40a of the exhaust pipe 40. And a suction pipe 40A as an outer pipe protruding from the upper bulkhead Wa at a distance longer than the exhaust outlet end 40a, and an exhaust outlet end 40a as described above. It is formed between the suction pipe 40A and a gap 40c for sucking air in the substantially closed engine room section 30a.
- the above ejector EJ is, if necessary, slit into the bottom partition Wd of the substantially closed engine room portion 30a located on the opposite side via the air passage EY in the substantially sealed engine room portion 30a.
- the cooling efficiency can be improved by providing a large number of intake ports S1 having a rectangular shape and promoting ventilation in the substantially closed engine room portion 30a.
- Each of the intake ports S1 has a louver S as a noise suppression means NS for suppressing leakage of engine noise to the outside of the substantially closed engine room section 30a. Is formed by cutting and raising from each intake port S1.
- the noise suppression means NS is provided with a noise reduction effect at a suction port S 1 formed in a box shape composed of, for example, a noise shielding plate NSa, and a substantially closed type engine is provided from the suction port S 1. If it is configured to suppress engine noise and intake noise leaking to the outside of the room section 30a, Leakage can be reduced.
- the suction gap 40c becomes a negative pressure.
- the air in the substantially sealed engine room portion 30a can be sucked out together with the heat and can be forcibly discharged out of the machine.
- a ventilation fan in the vicinity of a ventilation fan together with the ejector EJ, for example, a heater 32 or a muffler 38 which is a heat source, as shown in FIGS.
- An axial fan 20 K and a sirocco cooling fan 20 K s as shown in Fig. 9 are provided as appropriate to improve the cooling efficiency by promoting ventilation in the substantially closed engine room 30 a. be able to.
- the partition members 26 and 26 A are provided to form the substantially closed-type engine room portions 30 and 30 a, so that the engine 22, the hydraulic pump 24, etc. Leakage of generated operating noise to the outside can be reduced.
- the ejector E J described in the second embodiment of FIG. 9 is provided. First, the description will be made assuming that the ejector E J is not provided.
- a sirocco cooling fan 20 s driven by one of driving means such as an engine 22, a hydraulic motor, and an electric motor is provided between the partition member 26 A and the cooling device R.
- driving means such as an engine 22, a hydraulic motor, and an electric motor
- the outlet 1b described in the first embodiment is provided.
- a part of the cooling air from the sirocco cooling fan 20 s is provided on the outer periphery of the sirocco cooling fan 20 s in FIG. It is configured to be supplied into the substantially closed engine room portion 30a through the 6A communication hole (suction hole) 26a, flow toward the muffler 38, and cool the supercharger 32.
- Guide member g is provided.
- the third embodiment is configured as described above, when the engine 22 and the cooling fan 20 s operate, cooling air is introduced from the outside air inlet 1 a of the cover 1 and the cooling device After cooling R, the sirocco cooling fan 20 s flows toward the outer periphery of the sirocco cooling fan 20 s and is discharged from the outlet 3 b.
- the cooling air guided by the guide member g cools the engine 22, the muffler 38 and the like, and is discharged from the discharge port 1b.
- sirocco cooling fan 20 s is applied instead of the axial fan 20 of FIG. 9 shown in the second embodiment, the same operation and effect as in the second embodiment can be obtained. .
- the cooling efficiency of the cooling device R can be improved, and the substantially closed engine room portion 30a can reduce the energy.
- the leakage of the operating noise of the gin 22 and the hydraulic pump 24 can be reduced, and the cleaning of the cooling device can be easily performed, so that the operation rate of the construction machine can be improved. .
- the outlet 1b described above may not be provided, and the ejector EJ and the outlet described above may be further provided. Both 1b may be provided, determined according to the above-mentioned various purposes according to the design specifications, and the above cooling, reduction of noise, cleaning of the cooling device, etc. should be performed more effectively. Can be.
- any one of the plurality of cooling devices mounted on the construction machine is arranged in parallel, and the remaining cooling device of the plurality of cooling devices is The cooling device arranged in parallel with the cooling device arranged in parallel or spaced further in parallel with the cooling device arranged in parallel, facing the cooling device arranged as described above It is useful as a construction machine with a low noise that can be easily cleaned with the cooling fan provided as described above and can improve the cooling efficiency.
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- Component Parts Of Construction Machinery (AREA)
- Cooling, Air Intake And Gas Exhaust, And Fuel Tank Arrangements In Propulsion Units (AREA)
Description
Claims
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP01915770A EP1295995A4 (en) | 2000-06-02 | 2001-03-26 | CONSTRUCTION MACHINE |
US10/048,570 US6622668B2 (en) | 2000-06-02 | 2001-03-26 | Construction machinery |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2000166782A JP2001348909A (ja) | 2000-06-02 | 2000-06-02 | 建設機械 |
JP2000-166782 | 2000-06-02 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2001094706A1 true WO2001094706A1 (fr) | 2001-12-13 |
Family
ID=18670051
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2001/002399 WO2001094706A1 (fr) | 2000-06-02 | 2001-03-26 | Engin de travaux publics |
Country Status (4)
Country | Link |
---|---|
US (1) | US6622668B2 (ja) |
EP (1) | EP1295995A4 (ja) |
JP (1) | JP2001348909A (ja) |
WO (1) | WO2001094706A1 (ja) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
TWI483860B (zh) * | 2011-12-27 | 2015-05-11 | Iseki Agricult Mach | The original structure of the working vehicle |
EP3527799A1 (en) * | 2018-02-20 | 2019-08-21 | Modine Manufacturing Company | Frameless cooling module |
Families Citing this family (51)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
ITTO20020727A1 (it) * | 2002-08-14 | 2004-02-15 | Fiat Kobelco Construction Machinery Spa | Apparecchiatura di raffreddamento per un autoveicolo, in particolare per un escavatore. |
CN1642764A (zh) * | 2002-12-13 | 2005-07-20 | 新卡特彼勒三菱株式会社 | 建设机械中的冷却装置 |
ITTO20030127A1 (it) | 2003-02-21 | 2004-08-22 | Same Deutz Fahr Group Spa | Sistema di raffreddamento per una macchina agricola. |
US7451843B2 (en) * | 2003-06-16 | 2008-11-18 | Kobelco Construction Machinery Co., Ltd. | Construction machine |
KR101127799B1 (ko) * | 2004-12-29 | 2012-03-26 | 두산산업차량 주식회사 | 엔진식 지게차의 쿨링장치 |
JP4548375B2 (ja) * | 2006-03-30 | 2010-09-22 | コベルコ建機株式会社 | 作業機械 |
SE530034C2 (sv) * | 2006-06-30 | 2008-02-12 | Scania Cv Abp | Kylanordning för ett motorfordon |
CN101209669B (zh) * | 2006-12-30 | 2012-05-16 | 卡特彼勒公司 | 具有策略性排列的换热器列的冷却系统 |
JP4900163B2 (ja) * | 2007-09-26 | 2012-03-21 | コベルコ建機株式会社 | 建設機械 |
US8230957B2 (en) * | 2008-01-30 | 2012-07-31 | Deere & Company | Flow-inducing baffle for engine compartment ventilation |
US20090194352A1 (en) * | 2008-01-31 | 2009-08-06 | Sean Plante | Movable Side-By-Side Cooling Package |
KR100974278B1 (ko) * | 2008-03-18 | 2010-08-06 | 볼보 컨스트럭션 이키프먼트 홀딩 스웨덴 에이비 | 건설장비의 엔진실 |
WO2009142555A1 (en) * | 2008-05-23 | 2009-11-26 | Volvo Construction Equipment Ab | Ventilating system for ventilating an engine space in vehicle, a vehicle comprising the ventilating system and a work machine comprising the ventilating system |
CN102292531B (zh) * | 2008-11-27 | 2015-07-01 | F.G.威尔逊(工程)有限公司 | 用于发电机组封罩的隔音板布置 |
SE533313C2 (sv) * | 2008-12-22 | 2010-08-24 | Atlas Copco Rock Drills Ab | Kylsystem avsett för kylning av åtminstone en cirkulerande fluid, samt en maskin innefattande kylsystemet |
US8807113B2 (en) * | 2009-05-04 | 2014-08-19 | Ford Global Technologies, Llc | Device and method for integrating an air cleaner into a radiator fan shroud |
JP5234693B2 (ja) * | 2009-10-16 | 2013-07-10 | 日立建機株式会社 | 建設機械 |
JP5699653B2 (ja) * | 2010-03-08 | 2015-04-15 | コベルコ建機株式会社 | 建設機械の冷却構造 |
EP2426334B1 (en) * | 2010-09-01 | 2017-10-25 | CLAAS Tractor SAS | Cooling arrangement for an agricultural vehicle |
US8556014B2 (en) * | 2010-11-03 | 2013-10-15 | Caterpillar Inc. | Diesel particulate filter packaging and method of directing airflow in a skid steer machine |
JP5160668B2 (ja) * | 2011-06-17 | 2013-03-13 | 株式会社小松製作所 | 油圧ショベル |
JP5831111B2 (ja) * | 2011-10-03 | 2015-12-09 | コベルコ建機株式会社 | 建設機械の排気構造 |
JP5830110B2 (ja) * | 2011-12-26 | 2015-12-09 | 日立建機株式会社 | 建設機械 |
US8752522B1 (en) * | 2012-03-14 | 2014-06-17 | Asaf Cohen | Compact multi-unit vehicle cooling system |
JP5181076B1 (ja) * | 2012-08-03 | 2013-04-10 | 株式会社小松製作所 | 油圧ショベル |
DE202013101570U1 (de) | 2013-04-12 | 2014-07-14 | Autokühler GmbH & Co KG | Kühlmodul für Verbrennungskraftmaschinen |
CN103216303B (zh) * | 2013-04-16 | 2016-02-24 | 佛山神威热交换器有限公司 | 一种箱体式的散热器 |
JP2015021398A (ja) * | 2013-07-16 | 2015-02-02 | キャタピラー エス エー アール エル | 機体および作業機械 |
JP5819891B2 (ja) * | 2013-08-21 | 2015-11-24 | 日立建機株式会社 | 建設機械 |
WO2015092469A1 (en) * | 2013-12-19 | 2015-06-25 | Volvo Truck Corporation | An exhaust gas treatment system to be fitted on a chassis of an automotive vehicle |
JP6040187B2 (ja) * | 2014-02-24 | 2016-12-07 | 日立建機株式会社 | 建設機械 |
JP6415890B2 (ja) | 2014-08-04 | 2018-10-31 | 株式会社クボタ | 作業車 |
JP5879441B1 (ja) * | 2014-08-19 | 2016-03-08 | 株式会社小松製作所 | 作業車両 |
US9581071B2 (en) * | 2014-09-25 | 2017-02-28 | Hyster-Yale Group, Inc. | Cooling system for industrial vehicle |
US10384532B2 (en) | 2015-03-06 | 2019-08-20 | Komatsu Ltd. | Work vehicle |
JP2017002509A (ja) * | 2015-06-08 | 2017-01-05 | 株式会社神戸製鋼所 | 建設機械の冷却構造 |
JP6229694B2 (ja) * | 2015-06-08 | 2017-11-15 | コベルコ建機株式会社 | エンジンを備えた建設機械 |
JP6556566B2 (ja) * | 2015-09-07 | 2019-08-07 | 日野自動車株式会社 | 車両用冷却装置 |
JP6495193B2 (ja) * | 2016-01-20 | 2019-04-03 | 株式会社日立建機ティエラ | 小型の建設機械 |
US10569642B2 (en) * | 2016-06-20 | 2020-02-25 | Polaris Industries Inc. | Cooling system for an all terrain vehicle |
WO2018025340A1 (ja) * | 2016-08-03 | 2018-02-08 | 株式会社小松製作所 | 作業車両 |
US10570809B2 (en) * | 2016-09-27 | 2020-02-25 | Ford Global Technologies, Llc | Methods and systems for coolant system |
KR102017095B1 (ko) | 2017-04-04 | 2019-09-02 | 가부시키가이샤 고마쓰 세이사쿠쇼 | 작업 차량 |
WO2018210388A1 (en) * | 2017-05-16 | 2018-11-22 | Nilfisk A/S | Cooling of casing with propulsion motor for utility vehicle |
KR102567146B1 (ko) * | 2017-05-31 | 2023-08-18 | 한온시스템 주식회사 | 차량용 쿨링모듈 |
JP7065642B2 (ja) * | 2018-02-28 | 2022-05-12 | 株式会社小松製作所 | 作業機械 |
JP6938411B2 (ja) * | 2018-03-23 | 2021-09-22 | ヤンマーパワーテクノロジー株式会社 | コンバイン |
KR20190121117A (ko) * | 2018-04-17 | 2019-10-25 | 현대자동차주식회사 | 엔진의 냉각 시스템 |
DE102019106006A1 (de) * | 2019-03-08 | 2020-09-10 | Wacker Neuson Linz Gmbh | Arbeitsmaschine mit Elektroantrieb und Kühlvorrichtung |
JP7076396B2 (ja) * | 2019-03-27 | 2022-05-27 | 日立建機株式会社 | 作業機械 |
US11428481B2 (en) | 2019-12-05 | 2022-08-30 | Caterpillar Paving Products Inc. | Cooling package cleaning system |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0811551A (ja) * | 1994-06-27 | 1996-01-16 | Hitachi Constr Mach Co Ltd | 建設機械の熱交換装置 |
JPH11350530A (ja) * | 1998-06-05 | 1999-12-21 | Sumitomo Constr Mach Co Ltd | 建設機械の冷却装置 |
JP2000145455A (ja) * | 1998-11-11 | 2000-05-26 | Shin Caterpillar Mitsubishi Ltd | 建設機械の冷却装置 |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH08270444A (ja) * | 1995-03-31 | 1996-10-15 | Hitachi Constr Mach Co Ltd | 建設機械の冷却構造 |
JP3023433B2 (ja) * | 1995-04-10 | 2000-03-21 | 日立建機株式会社 | 熱交換器の冷却装置 |
US6076488A (en) * | 1997-03-17 | 2000-06-20 | Shin Caterpillar Mitsubishi Ltd. | Cooling device for a construction machine |
US6032620A (en) * | 1997-10-31 | 2000-03-07 | Kabushiki Kaisha Kobe Seiko Sho | Air intake structure in a construction machine |
US6390770B1 (en) * | 1998-06-17 | 2002-05-21 | Hitachi Construction Machinery Co., Ltd. | Fan device and shroud |
JP3295650B2 (ja) * | 1998-10-08 | 2002-06-24 | 新キャタピラー三菱株式会社 | ファン回転数制御方法およびその装置 |
-
2000
- 2000-06-02 JP JP2000166782A patent/JP2001348909A/ja active Pending
-
2001
- 2001-03-26 EP EP01915770A patent/EP1295995A4/en not_active Withdrawn
- 2001-03-26 US US10/048,570 patent/US6622668B2/en not_active Expired - Fee Related
- 2001-03-26 WO PCT/JP2001/002399 patent/WO2001094706A1/ja active Application Filing
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0811551A (ja) * | 1994-06-27 | 1996-01-16 | Hitachi Constr Mach Co Ltd | 建設機械の熱交換装置 |
JPH11350530A (ja) * | 1998-06-05 | 1999-12-21 | Sumitomo Constr Mach Co Ltd | 建設機械の冷却装置 |
JP2000145455A (ja) * | 1998-11-11 | 2000-05-26 | Shin Caterpillar Mitsubishi Ltd | 建設機械の冷却装置 |
Non-Patent Citations (1)
Title |
---|
See also references of EP1295995A4 * |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
TWI483860B (zh) * | 2011-12-27 | 2015-05-11 | Iseki Agricult Mach | The original structure of the working vehicle |
EP3527799A1 (en) * | 2018-02-20 | 2019-08-21 | Modine Manufacturing Company | Frameless cooling module |
CN110173339A (zh) * | 2018-02-20 | 2019-08-27 | 摩丁制造公司 | 无框架的冷却模块 |
US11230968B2 (en) | 2018-02-20 | 2022-01-25 | Modine Manufacturing Company | Frameless cooling module |
CN110173339B (zh) * | 2018-02-20 | 2022-02-11 | 摩丁制造公司 | 无框架的冷却模块 |
Also Published As
Publication number | Publication date |
---|---|
EP1295995A1 (en) | 2003-03-26 |
JP2001348909A (ja) | 2001-12-21 |
US20020104491A1 (en) | 2002-08-08 |
US6622668B2 (en) | 2003-09-23 |
EP1295995A4 (en) | 2009-03-11 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
WO2001094706A1 (fr) | Engin de travaux publics | |
US8104559B2 (en) | Multiple air flow paths using single axial fan | |
JP2004003398A (ja) | 建設機械 | |
JP2003291662A (ja) | 建設機械 | |
JP4602862B2 (ja) | パワーユニット | |
JP2001329842A (ja) | 熱交換器の導風板構造 | |
JP2004001645A (ja) | 建設機械及び冷却空気ダクト | |
JP2002081320A (ja) | 建設機械の冷却装置 | |
JP2003300421A (ja) | 建設機械 | |
JP3381020B2 (ja) | 建設機械のエンジン吸気装置 | |
JP2003293390A (ja) | 建設機械及び冷却空気ダクト | |
JP2003049648A (ja) | 建設機械 | |
JP2002256591A (ja) | 建設機械及び冷却空気ダクト | |
JP2002254935A (ja) | 建設機械 | |
JP2004003396A (ja) | 建設機械 | |
JP2002089262A (ja) | エンジン装置 | |
JP2007211613A (ja) | 建設機械 | |
JP2004003395A (ja) | 建設機械 | |
JP6810082B2 (ja) | 建設機械 | |
JP2002302969A (ja) | 建設機械及び冷却空気ダクト | |
JP2002302968A (ja) | 建設機械 | |
JP2002356115A (ja) | 建設機械の冷却装置 | |
JP4210575B2 (ja) | 建設機械用エンジンエンクロージャ構造及びエンジンエンクロージャ付き建設機械 | |
JPH10169441A (ja) | 防音型作業機 | |
JP2003301721A (ja) | 建設機械 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
AK | Designated states |
Kind code of ref document: A1 Designated state(s): US |
|
AL | Designated countries for regional patents |
Kind code of ref document: A1 Designated state(s): AT BE CH CY DE DK ES FI FR GB GR IE IT LU MC NL PT SE TR |
|
WWE | Wipo information: entry into national phase |
Ref document number: 10048570 Country of ref document: US |
|
121 | Ep: the epo has been informed by wipo that ep was designated in this application | ||
WWE | Wipo information: entry into national phase |
Ref document number: 2001915770 Country of ref document: EP |
|
WWP | Wipo information: published in national office |
Ref document number: 2001915770 Country of ref document: EP |