US20050173095A1 - Cooling device for construction machines - Google Patents

Cooling device for construction machines Download PDF

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Publication number
US20050173095A1
US20050173095A1 US10/511,138 US51113804A US2005173095A1 US 20050173095 A1 US20050173095 A1 US 20050173095A1 US 51113804 A US51113804 A US 51113804A US 2005173095 A1 US2005173095 A1 US 2005173095A1
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US
United States
Prior art keywords
air conditioner
cooler
radiator
oil cooler
turbocharger
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Abandoned
Application number
US10/511,138
Other languages
English (en)
Inventor
Kouhei Fujita
Kenichi Yokota
Kyoko Yamada
Shigeru Kojima
Atsushi Yamakawa
Takao Masayasu
Takahiro Okudaira
Masafumi Iguchi
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Caterpillar Japan Ltd
Original Assignee
Shin Caterpillar Mitsubishi Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from JP2002362435A external-priority patent/JP2004001681A/ja
Application filed by Shin Caterpillar Mitsubishi Ltd filed Critical Shin Caterpillar Mitsubishi Ltd
Assigned to SHIN CATERPILLAR MITSUBISHI LTD. reassignment SHIN CATERPILLAR MITSUBISHI LTD. ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: FUJITA, KOUHEI, IGUCHI, MASAFUMI, KOJIMA, SHIGERU, MASAYASHU, TAKAO, OKUDAIRA, TAKAHIRO, YAMADA, KYOKO, YAMAKAWA, ATSUSHI, YOKOTA, KENICHI
Publication of US20050173095A1 publication Critical patent/US20050173095A1/en
Assigned to SHIN CATERPILLAR MITSUBISHI LTD. reassignment SHIN CATERPILLAR MITSUBISHI LTD. RE-RECORD TO CORRECT THE NAME OF THE SIXTH ASSIGNOR, PREVIOUSLY RECORDED ON REEL 016505 FRAME 0824. Assignors: FUJITA, KOUHEI, IGUCHI, MASAFUMI, KOJIMA, SHIGERU, MASAYASU, TAKAO, OKUDAIRA, TAKAHIRO, YAMADA, KYOKO, YAMAKAWA, ATSUSHI, YOKOTA, KENICHI
Abandoned legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
    • B60H1/00—Heating, cooling or ventilating [HVAC] devices
    • B60H1/00357—Air-conditioning arrangements specially adapted for particular vehicles
    • B60H1/00378—Air-conditioning arrangements specially adapted for particular vehicles for tractor or load vehicle cabins
    • 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
    • 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

Definitions

  • the present invention relates to a cooling device in a construction machine such as a hydraulic shovel.
  • a construction machine such as a hydraulic shovel is provided with a cooling device such as a radiator for cooling an engine and an oil cooler for cooling hydraulic fluid.
  • the radiator and oil cooler are generally designed to be cooled with cooling air flowing thereto by rotation of a cooling fan.
  • the oil cooler and the radiator are arranged to be superposed back and forth against the flow of the cooling air (Back To Back (BTB) method) or are arranged to be adjacent to each other from side to side (Side By Side (SBS) Method).
  • BTB Back To Back
  • SBS Side
  • an air-conditioning device air conditioners
  • a construction machine has been known structured such that an air conditioner capacitor is provided at the front side of the oil cooler or radiator so that the cooling fan for cooling the oil cooler and/or the radiator can also cool the air conditioner capacitor (for example, see FIG. 1 of Japanese Patent Publication No. 3223164).
  • the air conditioner capacitor is fixed to the front face side of the oil cooler via a fitting, when maintenance such as inspection and repair of the radiator and/or the oil cooler is performed, the air conditioner capacitor arranged on the front face side must be removed, this is troublesome and causes a reduction in workability.
  • the present invention has been made in view of the above present condition for the purpose of solving these problems.
  • the air conditioner capacitor is structured to change the postures between a cooling posture in which the air conditioner capacitor is arranged in parallel with another cooling device and an open posture in which the front side or the rear side of another cooling device is exposed.
  • the air conditioner capacitor and the turbocharger cooler are arranged at the front side or at the rear side of an oil cooler and/or a radiator against the flow of the cooling air such that the air conditioner capacitor and the turbocharger cooler are structured to change the postures between the cooling posture in which the air conditioner capacitor and the turbocharger cooler are arranged in parallel with the oil cooler and/or the radiator and an open posture in which the front side or the rear side of the oil cooler and/or the radiator is exposed.
  • the air conditioner capacitor and the turbocharger cooler may also be arranged at the front side or at the rear side of an oil cooler and/or a radiator against the flow of the cooling air such that the air conditioner capacitor is structured to change the postures between the cooling posture in which the air conditioner capacitor is arranged in parallel with the oil cooler and/or the radiator and an open posture in which the front side or the rear side of the oil cooler and/or the radiator is exposed.
  • the above-described configuration can be adapted, in a case where the oil cooler and the radiator are arranged adjacent to each other from side to side against the flow of the cooling air and in a case where the oil cooler and the radiator are arranged to be superposed back and forth against the flow of the cooling air, however, in a case where the oil cooler and the radiator are arranged to be superposed back and forth against the flow of the cooling air, the air conditioner capacitor is structured to change the postures between the cooling posture in which the oil cooler is arranged in parallel with the radiator and an open posture in which the front side or the rear side of the radiator is exposed, thereby further contributing to improvements in maintenance.
  • the air conditioner capacitor and/or the turbocharger cooler is/are swingably supported by the upper part of the radiator and/or the oil cooler so as to be swing up and down, or the air conditioner capacitor and/or the turbocharger cooler is/are swingably supported by the left and right sides of the radiator or the oil cooler so as to swing back and forth, thereby allowing the turbocharger cooler and/or the air conditioner capacitor to change the postures between the cooling posture and the open posture.
  • a pipe connected to the air conditioner capacitor and/or the turbocharger cooler can be deformed in accordance with the posture change of the air conditioner capacitor and/or the turbocharger cooler, thereby preventing the pipe from being deteriorated due to the posture change of the turbocharger cooler and/or the air conditioner capacitor.
  • FIG. 1 is a plane view showing a hydraulic shovel.
  • FIG. 2 is a side view showing the main part of the cooling device having the cooling posture in the first Embodiment.
  • FIG. 3 is a side view showing the main part of the cooling device having an open posture in the first Embodiment.
  • FIG. 4 is a perspective view showing the main part of the cooling device 1 having an open posture in the first Embodiment.
  • FIG. 5 is a perspective view showing the main part of the cooling device 1 having an open posture in the first Embodiment.
  • FIG. 6 is a perspective view showing the main part of the cooling device 1 having an open posture in the first Embodiment.
  • FIG. 7 is a side view showing the main part of the cooling device 1 having an open posture in the second Embodiment.
  • FIG. 8 is a side view showing the main part of the cooling device 1 having an open posture in the second Embodiment.
  • FIG. 9 is a perspective view showing the main part of the cooling device 1 having an open posture in the second Embodiment.
  • FIG. 10 is a perspective view showing the main part of the cooling device 1 having an open posture in the third Embodiment.
  • FIG. 11 is a front view showing the main part of the cooling device 1 having an open posture in the fourth Embodiment.
  • FIG. 12 is a front view showing the main part of the cooling device 1 having an open posture in the fourth Embodiment.
  • FIG. 13 is a plane view showing the main part of the cooling device 1 having an open posture in the fourth Embodiment.
  • FIG. 14 is a side view showing the main part of the cooling device 1 having an open posture in the fourth Embodiment.
  • the reference numeral 1 denotes a hydraulic shovel.
  • the hydraulic shovel 1 is composed of a crawler-type lower structure 2 , an upper structure 3 rotatably supported by the lower structure 2 ; and a front attachment 4 attached to the upper structure 3 .
  • the upper structure 3 also includes a cab 5 and a counterweight 6 or the like as well as various devices and units such as an engine 7 as a source of power, cooling devices such as a radiator 8 , an oil cooler 9 , an air conditioner capacitor 10 , and a turbocharger cooler 11 which will be described later, a hydraulic pump and a valve device (not shown).
  • the radiator 8 is a cooling device for cooling the engine 7 .
  • the oil cooler 9 is a cooling device for cooling hydraulic fluid and the air conditioner capacitor 10 is a cooling device for cooling and liquefying the cooling medium for cooling.
  • the turbocharger cooler 11 is a cooling device for cooling air compressed by the turbocharger 12 .
  • the radiator 8 is placed at the closest position to the cooling fan (i.e., the most downstream side against the flow of the cooling air) and at the front side of the radiator 8 (upstream side against the flow of the cooling air), the turbocharger cooler 11 is positioned in the upward direction and the oil cooler 9 and the air conditioner capacitor 10 are positioned in the lower direction.
  • the oil cooler 9 is swingably supported by one side of the left side or the right side of the radiator 8 via the upper and lower hinge members 13 so as to swing back and forth, whereby enabling it to change the postures between a cooling posture in which the oil cooler 9 is arranged in parallel with the radiator 8 so as to be cooled by the cooling fan and an open posture in which the oil cooler 9 is swung to the front side so that the lower half of the front face of the radiator 8 is exposed.
  • the air conditioner capacitor 10 is attached to the front face of the oil cooler 9 via the leftand right fitting brackets 14 and is structured to change the postures integrally with the oil cooler 9 .
  • the turbocharger cooler 11 is swingably supported by the upper front face of the radiator 8 via the left and right hinge members 15 so as to swing up and down and is structured to change the postures between a cooling posture in which the turbocharger cooler 11 is arranged in parallel with the radiator 8 so as to be cooled by the cooling fan and an open posture in which the turbocharger cooler 11 is swung from the cooling posture in the upward direction so that the lower half of the front face of the radiator 8 is exposed.
  • the reference numeral 16 denotes a lock member attached to the fitting bracket 14 .
  • the lock member 16 engages with the lock receiving member 17 provided at the radiator 8 side, thereby allowing the oil cooler 9 and the air conditioner capacitor 10 to be held at a cooling posture.
  • the reference numeral 18 denotes a shroud enclosing the cooling fan, which is to improve the flow of cooling air, thereby increasing the cooling effect.
  • the oil cooler 9 is connected with a hydraulic pipe 19 through which hydraulic fluid flows. Because the connection of the hydraulic pipe 19 to the oil cooler 9 is done via a swivel joint 20 , the hydraulic pipe 19 can respond to the swingable posture change of the oil cooler 9 between the cooling posture and the open posture.
  • a hose 21 is connected to the air conditioner capacitor 10 , and the hose 21 has flexibility so as to respond to the swingable posture change of the oil cooler 9 integrally with the posture change of the air conditioner capacitor 10 .
  • the air supply pipe 22 through which air compressed by the turbocharger 12 flows is connected to the turbocharger cooler 11 , and has a section arranged on the upper part of the shroud 18 and the radiator 8 in a bellows-like shape so as to respond to the posture change of the turbocharger cooler 11 between the cooling posture and the open posture.
  • the radiator 8 , the oil cooler 9 , the air conditioner capacitor 10 , and the turbocharger cooler 11 are cooled by cooling air flowing thereto by the rotation of the cooling fan, respectively.
  • the oil cooler 9 and the turbocharger cooler 11 arranged at the front side of the radiator 8 can change the postures between the cooling posture in which the oil cooler 9 and the turbocharger cooler 11 are arranged in parallel with the radiator 8 and an open posture in which the front face side of the radiator 8 is exposed.
  • the air conditioner capacitor 10 arranged at the front side of the oil cooler 9 changes the postures integrated with the posture change of the oil cooler 9 .
  • the radiator 8 , the oil cooler 9 , the air conditioner capacitor 10 , the turbocharger cooler 11 are arranged to be superposed back and forth against the flow of the cooling air, the oil cooler 9 , the air conditioner capacitor 10 , and the turbocharger cooler 11 arranged at the front side are held at an open posture, thereby making it possible to carry out maintenance such as cleaning, inspection, and repair of the radiator 8 arranged at the rear side.
  • Maintenance of the oil cooler 9 arranged between the radiator 8 and the air conditioner capacitor 10 also can be performed by allowing the oil cooler 9 to be held at an open posture so that the rear face side of the oil cooler 9 is exposed. As such, maintenance of the cooling device at the rear side can be performed without removing the cooling device arranged at the front side, thereby improving workability in maintenance.
  • the present invention is not limited to the first embodiment of the present invention.
  • the present invention also can be adapted to the configuration in which the oil cooler 9 is large sized and the turbocharger cooler 11 and the air conditioner capacitor 10 are arranged up and down at the front side of the oil cooler 9 .
  • the configurations shown in the first and second embodiments are the Back To Back (BTB) type in which the oil cooler 9 and the radiator 8 are arranged to be superposed back and forth against the flow of the cooling air, however, the present invention also can be adapted to a configuration of the Side By Side (SBS) type as shown in the third embodiment shown in FIG. 10 and the fourth embodiment shown in FIG. 11 through FIG. 14 in which the oil cooler 9 and the radiator 8 are arranged adjacent to each other at the left and right sides.
  • BTB Back To Back
  • SBS Side By Side
  • the turbocharger cooler 11 is arranged at the upper part and the air conditioner capacitor 10 is arranged at the lower part.
  • the turbocharger cooler 11 is swigably supported by the oil cooler 9 and the radiator 8 so as to swing up and down and is structured to change the posture between the cooling posture and the open posture.
  • the air conditioner capacitor 10 is supported by the oil cooler 9 so as to swing horizontally and is structured to change the posture between the cooling posture and the open posture.
  • maintenance such as cleaning, inspection, repair of the oil cooler 9 and the radiator 8 arranged at the rear side can be performed by allowing the air conditioner capacitor 10 and the turbocharger cooler 11 arranged at the front side to be held at an open posture.
  • the fourth embodiment it is configured such that only the air conditioner capacitor 10 changes the postures between the cooling posture and the open posture.
  • the turbocharger cooler 11 is bolted to the front face of the case frame 23 in which the oil cooler 9 and the radiator 8 are assembled via the left and right fitting brackets 24 .
  • an appropriate space S through which a cleaning worker can visually observe the core sections of the cooling devices 8 , 9 , and 11 from the lower direction of the turbocharger cooler 11 is secured.
  • the reference numeral 25 denote an air supply pipe connected to the turbocharger cooler 11 , however, because in the fourth embodiment, it is structured so that the turbocharger cooler 11 does not change the postures, thus the air supply pipe 25 is not required to deform, the configuration of the fourth embodiment differs from the configurations in the first through embodiments, thereby using the conventional general-purpose air supply pipe 25 .
  • the air conditioner capacitor 10 is supported by and fixed to a square frame-like support member 26 and a pair of upper and lower hinge 27 are attached to the left end section of the support member 26 at the one side.
  • a first support bracket 28 protruding in the frontward direction is fixed.
  • the second support bracket 29 protruding in the right direction is fixed.
  • the pair of hinges 27 are attached to the second support bracket 29 at the other side so that the support member 26 can be pivotably swung back and forth around the pin shaft of the hinge 27 .
  • the air conditioner capacitor 10 is structured to change the postures integrally with the support member 26 between the cooling posture in which the air conditioner capacitor 10 is arranged in parallel with the radiator 8 and the oil cooler 9 so as to be cooled by the cooling fan and an open posture in which the air conditioner capacitor 10 is swung from the cooling posture to the front side so that the front face lower halves of the radiator 8 and the oil cooler 9 are opened.
  • the pipe 30 through which the cooling medium flows is connected to the left end of the air conditioner capacitor 10 , and the one side of the pipe 30 to which the air conditioner capacitor 10 is connected is composed of a steel pipe 30 a .
  • a flexible hose 30 b is connected to the tip end of the steel pipe 30 a so as to respond to the above-described posture change of the air conditioner capacitor 10 .
  • the above steel pipe 30 a is designed to slightly project from the left end of the air conditioner capacitor 10 to the left outside and to bend forward, thereby preventing the pipe 30 from interfering with other members such as the hinge 27 and the second support bracket 29 when the air conditioner capacitor 10 has an open posture.
  • the reference numeral 31 denotes a latching device with a handle 31 a provided at the right side of the support member 26
  • the reference numeral 32 denotes a latch receiving fixture provided at the third support bracket 33 fixed to the right side part of the case frame 23 so as to be engageably locked by the latching device 31 , thereby allowing the air conditioner capacitor 10 to be held at a cooling posture, and at the same time allowing an operator to swing the air conditioner capacitor 10 with a light control force.
  • the oil cooler 9 and the radiator 8 are arranged adjacent to each other left and right, at the front side of these oil cooler 9 and radiator 8 , the turbocharger cooler 11 is placed at the upper side and the air conditioner capacitor 10 is placed at the lower side.
  • the air conditioner capacitor 10 When the cooling device in this configuration is cleaned, the air conditioner capacitor 10 is allowed to be held at an open posture, thereby the rear face side of the air conditioner capacitor 10 , and the front face lower halves of the oil cooler 9 and of the radiator 8 are exposed, thus these parts can be easily cleaned.
  • the appropriate space S through which a cleaning worker can visually observe the core section of the cooling devices from the lower part of the turbocharger cooler 11 is secured.
  • the cleaning worker standing at ground level can visually observe from the lower direction the core section of the cooling device by allowing the air conditioner capacitor 10 arranged at the lower side of the turbocharger cooler 11 to be held at an open posture, thereby allowing the cooling devices to be cleaned easily without damaging the core section, thus improving workability.
  • the turbocharger cooler 11 is bolted.
  • the turbocharger cooler 11 is required to be removed.
  • a construction machine such as a hydraulic shovel which works at construction site with lots of dust
  • cleaning of cooling devices is required to be frequently performed, cleaning can be performed without removing the turbocharger cooler 11 while observing the core section.
  • the air conditioner capacitor 10 which is arranged at the lower side among the cooling devices arranged adjacent to each other at the upper and lower sides is structured so as to change the postures.
  • an operator responsible for cleaning can visually observe appropriate space S between the turbocharger cooler 11 , the oil cooler 9 and the radiator 8 from the lower direction, thereby a cleaning worker can clean at ground level (or in a condition where a cleaning worker stands on the crawler upper face in the case of a large construction machine) avoiding trouble such as climbing on the upper face of the upper rotating body 3 to clean the cooling device, thus contributing to improvements in workability.
  • the present invention can also be adapted to a configuration in which only the air conditioner capacitor is arranged at the front side or at the rear side of the radiator and/or the oil cooler or a configuration in which the air conditioner capacitor and the turbocharger cooler are arranged to be superposed back and forth, for example.
  • a cooling device in a construction machine can be effectively used for cooling devices including an oil cooler and a radiator that is arranged by the Back To Back (BTB) or the Side By Side (SBS) method in a construction machine such as a hydraulic shovel, more specifically, the cooling device of the present invention is particularly suitable for cooling devices in which the air conditioner capacitor or the turbocharger cooler is arranged at the front side of the radiator and/or the oil cooler.
  • BTB Back To Back
  • SBS Side By Side

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  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Civil Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Component Parts Of Construction Machinery (AREA)
  • Cooling, Air Intake And Gas Exhaust, And Fuel Tank Arrangements In Propulsion Units (AREA)
  • Air-Conditioning For Vehicles (AREA)
  • Supercharger (AREA)
US10/511,138 2002-12-13 2003-09-17 Cooling device for construction machines Abandoned US20050173095A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2002-362435 2002-12-13
JP2002362435A JP2004001681A (ja) 2002-03-26 2002-12-13 建設機械における冷却装置
PCT/JP2003/011857 WO2004054828A1 (ja) 2002-12-13 2003-09-17 建設機械における冷却装置

Publications (1)

Publication Number Publication Date
US20050173095A1 true US20050173095A1 (en) 2005-08-11

Family

ID=32588157

Family Applications (1)

Application Number Title Priority Date Filing Date
US10/511,138 Abandoned US20050173095A1 (en) 2002-12-13 2003-09-17 Cooling device for construction machines

Country Status (4)

Country Link
US (1) US20050173095A1 (zh)
EP (1) EP1571017A4 (zh)
CN (1) CN1642764A (zh)
WO (1) WO2004054828A1 (zh)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20100025007A1 (en) * 2008-07-31 2010-02-04 Thomas Fell Cooler assembly for a vehicle cooling system
US20140069608A1 (en) * 2012-09-10 2014-03-13 Robert J. Hachmann Heat exchanger pivotable for clean-out
US20150330056A1 (en) * 2012-10-16 2015-11-19 Komatsu Ltd. Hydraulic excavator
US9328748B2 (en) 2013-12-04 2016-05-03 Komatsu Ltd. Hydraulic excavator

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6152605B2 (ja) * 2013-10-17 2017-06-28 キャタピラー エス エー アール エル 建設機械
EP3128078A1 (de) * 2015-08-07 2017-02-08 Ammann Schweiz AG Strassenfertiger und beschicker
CN106284474B (zh) * 2016-09-23 2018-05-22 广西玉柴重工有限公司 一种液压挖掘机静音防爆空调系统
DE202018104562U1 (de) 2018-08-08 2019-11-12 Joseph Vögele AG Straßenfertiger oder Beschickerfahrzeug mit Tank

Citations (4)

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US3334704A (en) * 1965-06-11 1967-08-08 Int Harvester Co Vehicle heat exchanger assembly
US5234051A (en) * 1991-05-28 1993-08-10 Klockner-Humboldt-Deutz Aktiengesellschaft Compact heat exchanger-ventilation unit for a vehicle
US20010050160A1 (en) * 1999-10-28 2001-12-13 Ikuo Ozawa Vehicle-mounted structure for heat exchanger
US20020104491A1 (en) * 2000-06-02 2002-08-08 Hideyuki Izumi Construction machinery

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DE19547348C2 (de) * 1995-12-19 1998-05-20 Fortschritt Erntemaschinen Selbstfahrender Feldhäcksler
GB2336662B (en) * 1998-04-21 2002-04-10 Agco Gmbh & Co Vehicle cooling radiator arrangement
JP2000280760A (ja) * 1999-04-01 2000-10-10 Mitsubishi Agricult Mach Co Ltd 作業用走行車
GB2355700A (en) * 1999-10-27 2001-05-02 Caterpillar Inc Slidable heat-exchanger core elements for a mobile machine
DE10206551B4 (de) * 2002-02-16 2008-09-25 CNH Österreich GmbH Kühleranordnung für Traktoren

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3334704A (en) * 1965-06-11 1967-08-08 Int Harvester Co Vehicle heat exchanger assembly
US5234051A (en) * 1991-05-28 1993-08-10 Klockner-Humboldt-Deutz Aktiengesellschaft Compact heat exchanger-ventilation unit for a vehicle
US20010050160A1 (en) * 1999-10-28 2001-12-13 Ikuo Ozawa Vehicle-mounted structure for heat exchanger
US20020104491A1 (en) * 2000-06-02 2002-08-08 Hideyuki Izumi Construction machinery

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20100025007A1 (en) * 2008-07-31 2010-02-04 Thomas Fell Cooler assembly for a vehicle cooling system
US8616265B2 (en) * 2008-07-31 2013-12-31 Deere & Company Cooler assembly for a vehicle cooling system
US20140069608A1 (en) * 2012-09-10 2014-03-13 Robert J. Hachmann Heat exchanger pivotable for clean-out
US9435591B2 (en) * 2012-09-10 2016-09-06 Deere & Company Heat exchanger pivotable for clean-out
US20150330056A1 (en) * 2012-10-16 2015-11-19 Komatsu Ltd. Hydraulic excavator
US9388729B2 (en) * 2012-10-16 2016-07-12 Komatsu Ltd. Hydraulic excavator
US9328748B2 (en) 2013-12-04 2016-05-03 Komatsu Ltd. Hydraulic excavator
DE112013000249B4 (de) * 2013-12-04 2016-11-03 Komatsu Ltd. Hydraulikbagger

Also Published As

Publication number Publication date
CN1642764A (zh) 2005-07-20
EP1571017A4 (en) 2006-05-17
EP1571017A1 (en) 2005-09-07
WO2004054828A1 (ja) 2004-07-01

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