EP2165144A1 - Geräteanordnung zur kühlung von öl für den betrieb einer hydraulikmaschine - Google Patents

Geräteanordnung zur kühlung von öl für den betrieb einer hydraulikmaschine

Info

Publication number
EP2165144A1
EP2165144A1 EP08753532A EP08753532A EP2165144A1 EP 2165144 A1 EP2165144 A1 EP 2165144A1 EP 08753532 A EP08753532 A EP 08753532A EP 08753532 A EP08753532 A EP 08753532A EP 2165144 A1 EP2165144 A1 EP 2165144A1
Authority
EP
European Patent Office
Prior art keywords
engaged
cap
cooling water
heat exchange
hydraulic
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.)
Granted
Application number
EP08753532A
Other languages
English (en)
French (fr)
Other versions
EP2165144B1 (de
EP2165144A4 (de
Inventor
Wan Soo Choi
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.)
Seo Dong Soong
Original Assignee
Seo Dong Soong
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
Application filed by Seo Dong Soong filed Critical Seo Dong Soong
Publication of EP2165144A1 publication Critical patent/EP2165144A1/de
Publication of EP2165144A4 publication Critical patent/EP2165144A4/de
Application granted granted Critical
Publication of EP2165144B1 publication Critical patent/EP2165144B1/de
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
    • F28D7/00—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
    • F28D7/16—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits being arranged in parallel spaced relation
    • F28D7/163—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits being arranged in parallel spaced relation with conduit assemblies having a particular shape, e.g. square or annular; with assemblies of conduits having different geometrical features; with multiple groups of conduits connected in series or parallel and arranged inside common casing
    • F28D7/1653—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits being arranged in parallel spaced relation with conduit assemblies having a particular shape, e.g. square or annular; with assemblies of conduits having different geometrical features; with multiple groups of conduits connected in series or parallel and arranged inside common casing the conduit assemblies having a square or rectangular shape
    • F28D7/1661—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits being arranged in parallel spaced relation with conduit assemblies having a particular shape, e.g. square or annular; with assemblies of conduits having different geometrical features; with multiple groups of conduits connected in series or parallel and arranged inside common casing the conduit assemblies having a square or rectangular shape with particular pattern of flow of the heat exchange media, e.g. change of flow direction
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
    • F28D7/00—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
    • F28D7/10—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits being arranged one within the other, e.g. concentrically
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B21/00—Common features of fluid actuator systems; Fluid-pressure actuator systems or details thereof, not covered by any other group of this subclass
    • F15B21/04—Special measures taken in connection with the properties of the fluid
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
    • F28D1/00—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators
    • F28D1/06—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with the heat-exchange conduits forming part of, or being attached to, the tank containing the body of fluid
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
    • F28D21/00—Heat-exchange apparatus not covered by any of the groups F28D1/00 - F28D20/00
    • F28D2021/0019—Other heat exchangers for particular applications; Heat exchange systems not otherwise provided for
    • F28D2021/0049—Other heat exchangers for particular applications; Heat exchange systems not otherwise provided for for lubricants, e.g. oil coolers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F9/00—Casings; Header boxes; Auxiliary supports for elements; Auxiliary members within casings
    • F28F9/22—Arrangements for directing heat-exchange media into successive compartments, e.g. arrangements of guide plates
    • F28F2009/222—Particular guide plates, baffles or deflectors, e.g. having particular orientation relative to an elongated casing or conduit
    • F28F2009/226—Transversal partitions
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F2215/00—Fins
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F9/00—Casings; Header boxes; Auxiliary supports for elements; Auxiliary members within casings
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F9/00—Casings; Header boxes; Auxiliary supports for elements; Auxiliary members within casings
    • F28F9/02—Header boxes; End plates
    • F28F9/0229—Double end plates; Single end plates with hollow spaces
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F9/00—Casings; Header boxes; Auxiliary supports for elements; Auxiliary members within casings
    • F28F9/02—Header boxes; End plates
    • F28F9/04—Arrangements for sealing elements into header boxes or end plates
    • F28F9/06—Arrangements for sealing elements into header boxes or end plates by dismountable joints
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F9/00—Casings; Header boxes; Auxiliary supports for elements; Auxiliary members within casings
    • F28F9/22—Arrangements for directing heat-exchange media into successive compartments, e.g. arrangements of guide plates

Definitions

  • the present invention relates to a hydraulic-operating oil cooling apparatus for cooling hydraulic-operating oil used in various hydraulic machines using hydraulic pressure, and more particularly, to an assembly type hydraulic-operating oil cooling apparatus for a hydraulic machine, which is very convenient in maintenance and repair because a body of the oil cooling apparatus is constructed of several units, and is very excellent in cooling efficiency because cooling water flows through the inside of a heat exchange pipe of the hydraulic-operating oil cooling apparatus as well as the inside of the units.
  • hydraulic machinery such as an injection molding apparatus or a press machine is provided with a cylinder for converting pressure energy into kinetic energy by using hydraulic-operating oil.
  • a cylinder for converting pressure energy into kinetic energy by using hydraulic-operating oil.
  • most hydraulic machine necessarily includes a hydraulic-operating oil cooling apparatus for cooling high-temperature hydraulic- operating oil and supplying it again to the hydraulic machine.
  • the hydraulic-operating oil cooling apparatus entails problems in that its assembly and maintain/repair are difficult because several heat exchange pipes are disposed at the inside of one body thereof. Disclosure of Invention Technical Problem
  • the present invention has been made to solve the above problems occurring in the prior art, and it is an object of the present invention to provide a hydraulic-operating oil cooling apparatus, which is excellent in cooling efficiency and is easy to maintain and repair, and wherein its mass production is easy due to a simple structure and its manufacture time can be drastically reduced because assembly of parts thereof is simple and easy.
  • the present invention provides an assembly type hydraulic-operating oil cooling apparatus, wherein a desired number of units are bolt- engaged with each other in series to form a body of the hydraulic-operating oil cooling apparatus, each unit being formed with engaging holes and body cooling water passageways in the circumferential direction thereof, a packing is inserted into an intermediate portion of each unit in such a manner that projecting portions alternately confront each other, and an oil inlet and an oil outlet are formed respectively at the units engaged at both sides of the body, wherein cap clogging plates are engaged at both sides of the body, and heat exchange pipes and support rods are respectively inserted into heat exchange pipe engaging openings and support rod engaging holes, and the supporting rods are further inserted into support rod holes of clogging plates attached to the projecting portions of the packing, and wherein a cooling water inlet 4 and a cooling water outlet, which are separated from each other by a partition, are formed at one side of the cap clogging plate, which is engaged at both sides of the body, a front cap formed with cooling
  • the cooling efficiency is excellent because cooling water flows through the inside of the heat exchange pipe as well as inside of the body thereof, it is possible to easily disassemble and clean the hydraulic- operating oil cooling apparatus when impurities are concentrated at the inside of the hydraulic-operating oil cooling apparatus.
  • the present invention is very useful because exchange of the damaged parts can be carried out after disassembling them without a necessity of changing the entire hydraulic-operating oil cooling apparatus, when the parts thereof are damaged, so that the hydraulic-operating oil cooling apparatus is easy and simple to maintain/repair and assemble, thereby resulting in a drastic reduction of the manufacturing cost.
  • FIG. 1 is a view showing a use state of the present invention
  • FIG. 2 is a perspective view of the present invention
  • FIG. 3 is an exploded perspective view of a rear cap of a hydraulic-operating oil cooling apparatus
  • FIG. 4 is a view showing a state of a cap clogging plate to be engaged with a heat exchange pipe
  • FIG. 5 is a partial cross-sectional perspective view of a unit
  • FIG. 6 is an exploded perspective view of the clogging plate engaged at an intermediate portion of the unit;
  • FIG. 7 is a perspective view of other type of the clogging plate engaged at an intermediate portion of the unit;
  • FIG. 8 is a structural view of a front cap
  • FIG. 9 is a structural view of a rear cap
  • FIG. 10 is a cross-sectional view of the present invention.
  • FIG. 11 is an exploded perspective view of one embodiment of the present invention.
  • FIG. 12 is an exploded perspective view of another embodiment of the present invention. Mode for the Invention
  • FIG. 1 is a view showing a use state of the present invention.
  • a cooling water inlet 4 and a cooling water outlet 5 of a hydraulic-operating oil cooling apparatus 1 is connected to a cooling water tank 6 so that cooling water can circulate through the inside of a heat exchange pipe 20 disposed at the inside of the hydraulic-operating oil cooling apparatus 1, an oil inlet 2 and an oil outlet 3 of the hydraulic-operating oil cooling apparatus 1 are connected to a hydraulic machine so that hot hydraulic-operating oil can flow through the outer side of the heat exchange pipe 20 disposed at the inside of the hydraulic-operating oil cooling apparatus 1.
  • heat exchange is produced between the hot hydraulic-operating oil, which is circulating from the hydraulic machine to the hydraulic-operating oil cooling apparatus 1, and the cooling water circulating from the cooling water tank 6 through the inside of the heat exchange pipe 20 disposed at the inside of the hydraulic- operating oil cooling apparatus 1, so that the hot hydraulic-operating oil is cooled and supplied again to the hydraulic machine.
  • FIG. 2 is a perspective view showing the hydraulic-operating oil cooling apparatus of the present invention.
  • the hydraulic-operating oil cooling apparatus 1 of the present invention comprises several units 10 arranged in series, and two cap clogging plates 9, two rear caps 8 and two front caps 7 are respectively engaged at both ends of the respective unit 10.
  • An oil inlet 2 and an oil outlet 3 are formed above the unit 10, which are engaged at both ends among the several units 10 forming the body of the hydraulic- operating oil cooling apparatus 1 after they are connected in series, and a cooling water inlet 4 and a cooling water outlet 5 are formed at the front cap 7.
  • FIG. 3 is an exploded perspective view showing a rear cap 8 and a cap clogging plate 9 of the hydraulic-operating oil cooling apparatus 1 of the present invention.
  • a rear cap 8 is engaged at one side of the body of the hydraulic-operating oil cooling apparatus 1, which is constructed by engaging several units 10 in series as shown in FIG. 2, and two cap clogging plates 9 are disposed at an intermediate portion of the rear cap 8 and the body constructed by engaging several units 10 as shown in FIG. 3, and a sealing 16 is inserted between the two cap clogging plates 9.
  • a hole-shaped heat exchange pipe engaging opening 19 is formed at each cap clogging plate 9, and a sealing recess 17 is formed at one side of the cap clogging plate 9 by chamfering the heat exchange pipe engaging opening 19, as shown in FIG. 3. Then, a sealing member is mounted on a portion where the sealing recess 17 is machined at the heat exchange pipe engaging opening 19, i. e., at a portion where the heat exchange pipe engaging openings 19 formed at the two cap clogging plates 9 are formed when the two cap clogging plates 9 are engaged with each other.
  • the present invention can be carried out with using one cap clogging plate 9.
  • a heat exchange pipe 20 is inserted into a cap clogging plate 9 formed with a heat exchange pipe engaging opening 19, and the heat exchange pipe 20 is brought into contact with the heat exchange pipe engaging opening 19 of the cap clogging plate 9 by using a pipe enlarging device so that the leakage of the hydraulic-operating oil flowing through the inside of the unit 10 can be prevented.
  • the rear cap 8 engaged at one side of the hydraulic- operating oil cooling apparatus 1 constructed by engaging several units 10, and the front cap 7 engaged at the other side of the body are engaged with the body by means of the two cap clogging plates 9.
  • only one cap clogging plate 9 can be used as described above.
  • a plurality of heat exchange pipes 20 are installed at the inside of the body constructed by engaging several units 10, each of the heat exchange pipe 20 is securely inserted into the heat exchange pipe engaging opening 19 of the cap clogging plate 9 mounted at both sides of the body, as shown in FIG. 4.
  • the heat exchange pipe 20 is formed with thread- shaped fins 21 at the outer surface thereof, as shown in FIG. 4.
  • the heat exchange pipe 20 is inserted into the heat exchange pipe engaging opening 19 of the cap clogging plate 20 in such a manner that the fins 21 formed at the outer surface of the heat exchange pipe 20 to be installed are disposed to be overlapped with the fins 21 of the heat exchange pipe 20, which has been already installed, as shown in FIG. 4.
  • the thread-shaped fins 21 are inserted into the heat exchange pipe engaging openings 19 while being overlapped with the fins 21 of the other heat exchange pipe 20 when the heat exchange pipe 20 is rotated.
  • FIG. 5 is a partial perspective view of the unit 10 constituting the body of the hydraulic-operating oil cooling apparatus 1, when several units are engaged with each other.
  • an engaging groove 14 is formed at one side of the unit 10
  • a projection 15 is formed at the other side and a cooling water passageway 18 and an engaging hole 13 are formed at the inside of the unit 20.
  • FIG. 6 is a perspective view showing a packing 23 inserted into an intermediate portion of the unit 10, when each unit 10 is engaged.
  • the packing 23 made of rubber material and formed in a donut shape, is formed with a projecting portion 31, an engaging hole 13 and a cooling water passageway 18.
  • clogging plates 24, each of which is formed with a support rod hole 25, are engaged at both sides of the projecting portion 31 of the packing 23.
  • FIG. 7 shows another embodiment of a packing 23 inserted into an intermediate portion of the unit 10 when each unit 10 is engaged.
  • the packing 23 and the clogging plate 24 can be integrally constructed by inserting the clogging plate 24 into the projecting portion 31 of the packing 23.
  • FIG. 8 is a structural view of a front cap 7
  • FIG. 9 is a structural view showing a rear cap 8.
  • the front cap 7 is formed with a cooling water inlet 4 and a cooling water outlet 5, and a partition 26 is provided between the cooling water inlet 4 and the cooling water outlet 5 to separate the cooling water inlet 4 and the cooling water outlet 5.
  • an engaging hole 13 and a cooling water body inlet 12 are formed alternatively at the front cap 7 and the rear cap 8.
  • FIG. 10 is a cross-sectional view of a hydraulic-operating oil cooling apparatus of the present invention
  • FIG. 11 is an exploded perspective view of a hydraulic- operating oil cooling apparatus of the present invention.
  • a body of the hydraulic-operating oil cooling apparatus 1 is formed by engaging several units 10 in series, and a packing 23 formed with a clogging plate 24 is inserted into an intermediate portion of the unit 10 when each unit 10 is engaged with each other, and an oil inlet 2 and an oil outlet 3 are formed at the unit engaged at both ends thereof.
  • the clogging plate 24 can be firmly secured at the inside of the body of the hydraulic-operating oil cooling apparatus 1 by constructing that the supporting rod groove 22 of the packing 23 and the supporting rod groove 22 of the clogging plate 24 should be inserted into the support rod 28, when the packing is inserted into an intermediate portion of the unit 10.
  • two cap clogging plates 9 are engaged at both ends of the body of the hydraulic-operating oil cooling apparatus, to which several units 10 are engaged in series, and a sealing member 16 is mounted on a sealing recess 17 formed at a heat exchange pipe engaging opening 19 of a cap clogging plate 9 to thereby prevent leakage of the hydraulic-operating oil in the body.
  • the front cap 7 and the rear cap 8 are engaged at both sides of the body as constructed above.
  • the unit 10 and the cap clogging plate 9 are firmly secured because concave engaging grooves 14 are formed at one side of each unit 10 and the cap clogging plate 9, and convex projections 15 are formed at the other side thereof.
  • the front cap 7 is formed with a cooling water inlet 4 and a cooling water outlet 5, which are separated from each other by a partition 26, and the rear cap 8 is formed with a circulation water chamber 11, and a cooling water body inlet 12 is formed at the front cap 7 and the rear cap 8 to communicate them to a body cooling water passageway 18.
  • the heat exchange pipe 20 is formed with thread- shaped fins 21 at the outer surface of the heat exchange pipe 20, the cooling efficiency can be maximized by disposing more and more heat exchange pipes 20 at the inside of the body of the hydraulic-operating oil cooling apparatus 1 because each of the heat exchange pipe 20 is constructed in such a manner that fins thereof overlap with each other.
  • FIG. 12 is an exploded perspective view showing another embodiment of the present invention.
  • the hydraulic-operating oil cooling apparatus comprises a body 29 formed integrally with an oil inlet 2 and an oil outlet 3, and two supporting rods 28 provided with the clogging plates 24 by a predetermined interval, are inserted into a supporting rod engaging hole 30 and the heat exchange pipe engaging opening 19 of the cap clogging plates 9, which are engaged at both sides of the body 29, and disposed at the inside of the body 29.
  • the hydraulic-operating oil cooling apparatus 1 is constructed by engaging the front cap 7 and the rear cap 8 at both the cap clogging plates 9 of the body 29.
  • the hydraulic-operating oil passing through the periphery of the heat exchange pipe 20 can be prevented from leakage by using two cap clogging plates 9 and sealing members 16.
  • an assembly type hydraulic-operating oil cooling apparatus wherein a desired number of units 10 are bolt-engaged with each other in series to form a body of the hydraulic- operating oil cooling apparatus, each unit being formed with engaging holes 13 and body cooling water passageways 18 in the circumferential direction thereof, a packing 23 is inserted into an intermediate portion of each unit 10 in such a manner that projecting portions 31 alternately confront each other, and an oil inlet 2 and an oil outlet 3 are respectively formed at units 10 engaged at both sides of the body.
  • cap clogging plates 9 are engaged at both sides of the body, and heat exchange pipes 20 and support rods 28 are respectively inserted into heat exchange pipe engaging openings 19 and support rod engaging holes 30, and the supporting rods 28 are further inserted into support rod holes 25 of a clogging plate 24 attached to the projecting portions 31 of the packing 23.
  • a cooling water inlet 4 and a cooling water outlet 5, which are separated from each other by a partition 26, are formed at one side of the cap clogging plate 9, which is engaged at both sides of the body, and a front cap 7 formed with cooling water body inlets 12 in the radial direction is also engaged at one side of the cap clogging plate, and a rear cap 8 formed with cooling water body inlets 12 in the radial direction is engaged at the other side of the cap clogging plate 9, which is engaged at both sides of the body.
  • an assembly type hydraulic-operating oil cooling apparatus wherein a body 29 is formed with body cooling water passageways 18 in the circumferential direction at the inside thereof, an oil inlet 2 and an oil outlet 3 are respectively formed above the body 29, and cap clogging plates 9 are engaged at both sides of the body 29 in such a manner that heat exchange pipes 20 and support rods 28 are inserted respectively into heat exchange pipe engaging openings 19 and support rod engaging holes 30, and the support rods 28 are inserted into support rod holes 25 of clogging plates 24 in such a manner that the clogging plates 24 are fit around the support rods 28 so that they spaced apart from each other at a predetermined interval.
  • a cooling water inlet 4 and a cooling water outlet 5, which are separated from each other by a partition 26, are formed at one side of the cap clogging plate 9, which is engaged at both sides of the body 29, and a front cap 7 formed with a cooling water body inlet 12 in the radial direction is also engaged, and a rear cap 8 formed with cooling water body inlets 12 in the radial direction is engaged at the other side of the cap clogging plate 9, which is engaged at both sides of the body 29.
  • an assembly type hydraulic-operating oil cooling apparatus wherein a desired number of units 10 are bolt-engaged with each other in series to form a body of the hydraulic-operating oil cooling apparatus, each unit being formed with engaging holes 13 and body cooling water passageways 18 in the circumferential direction thereof, a packing 23 is inserted into an intermediate portion of each unit 10 so that projecting portions 31 of the packing 23, which is formed integrally with a clogging plate 24 at the inside, alternatively confront each other, and an oil inlet 2 and an oil outlet 3 are formed at the units 10 engaged at both sides of the body.
  • cap clogging plates 9 are engaged at both sides of the body in such a manner that heat exchange pipes 20 are inserted into heat exchange pipe engaging openings 19 of the each cap clogging plate 9, a cooling water inlet 4 and a cooling water outlet 5, which are separated from each other by a partition 26, are formed at one side of the cap clogging plate 9, which is engaged at both sides of the body 29, and a front cap 7 formed with cooling water body inlets 12 in the radial direction is also engaged, and a rear cap 8 formed with cooling water body inlets 12 in the radial direction is engaged at the other side of the cap clogging plate 9, which is engaged at both sides of the body 29.
  • cooling efficiency is excellent because the cooling water passes through the inside of the heat exchange pipe as well as inside of the body thereof.
  • the present invention is very useful because it is possible to exchange the damaged parts after disassembling them without a necessity of changing the entire hydraulic-operating oil cooling apparatus, when the parts thereof are damaged. As a result, it is easy and simple to maintain and repair the hydraulic-operating oil cooling apparatus, and easy to assemble it, resulting in the drastic reduction of the manufacturing cost.

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Thermal Sciences (AREA)
  • Geometry (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Fluid Mechanics (AREA)
  • Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
  • Fluid-Pressure Circuits (AREA)
  • Details Of Heat-Exchange And Heat-Transfer (AREA)
EP08753532.4A 2007-05-29 2008-05-16 Geräteanordnung zur kühlung von öl für den betrieb einer hydraulikmaschine Not-in-force EP2165144B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR1020070052186A KR100798701B1 (ko) 2007-05-29 2007-05-29 유압기계 작동오일의 조립형 오일냉각기
PCT/KR2008/002736 WO2008147062A1 (en) 2007-05-29 2008-05-16 Assembly type hydraulic-operating oil cooling apparatus

Publications (3)

Publication Number Publication Date
EP2165144A1 true EP2165144A1 (de) 2010-03-24
EP2165144A4 EP2165144A4 (de) 2012-12-12
EP2165144B1 EP2165144B1 (de) 2016-05-04

Family

ID=39219523

Family Applications (1)

Application Number Title Priority Date Filing Date
EP08753532.4A Not-in-force EP2165144B1 (de) 2007-05-29 2008-05-16 Geräteanordnung zur kühlung von öl für den betrieb einer hydraulikmaschine

Country Status (6)

Country Link
US (1) US20100122797A1 (de)
EP (1) EP2165144B1 (de)
JP (1) JP2010526984A (de)
KR (1) KR100798701B1 (de)
CN (1) CN101680719B (de)
WO (1) WO2008147062A1 (de)

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KR101166534B1 (ko) * 2010-02-17 2012-07-19 주식회사 한국쿨러 자동변속기용 오일냉각기 제조방법
KR101151755B1 (ko) * 2010-02-24 2012-06-15 서정호 유압기계 작동용 오일의 섹셔널 냉각모듈
US11504814B2 (en) 2011-04-25 2022-11-22 Holtec International Air cooled condenser and related methods
WO2012149057A1 (en) * 2011-04-25 2012-11-01 Holtec International, Inc. Air-cooled heat exchanger and system and method of using the same to remove waste thermal energy from radioactive materials
CN105026087A (zh) 2012-12-03 2015-11-04 霍尔泰克国际股份有限公司 钎焊组合物及其用途
KR101418089B1 (ko) * 2013-11-28 2014-07-09 주식회사 플로우포스 열교환 장치 및 그 제조방법
EP3006887B1 (de) * 2014-10-07 2019-07-10 Sülzle Holding GmbH & Co. KG Rohrbündelwärmeübertrager
EP3067652B1 (de) * 2015-03-11 2019-11-13 Politechnika Gdanska Wärmetauscher und wärmetauschverfahren
KR101699687B1 (ko) * 2015-06-15 2017-01-25 해양환경관리공단 파워팩용 포터블 냉각장치
US10353084B1 (en) * 2018-04-02 2019-07-16 General Electric Company Systems and methods for cooling an imaging system
KR101924948B1 (ko) * 2018-07-30 2018-12-04 강환수 수냉식 산업용 냉각기
CN109210978A (zh) * 2018-09-03 2019-01-15 浙江杭强制冷设备有限公司 一种组合式暖通热交换器
KR20240051934A (ko) * 2021-07-17 2024-04-22 린다인 엔지니어링, 인코포레이티드 열교환기용 디플렉터 및 그리드 서포트 어셈블리 및 해당 어셈블리를 가지는 열교환기

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US2762611A (en) * 1952-02-28 1956-09-11 Pfaudler Co Inc Tubular heat exchangers
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CN101680719A (zh) 2010-03-24
CN101680719B (zh) 2011-01-12
WO2008147062A1 (en) 2008-12-04
KR100798701B1 (ko) 2008-01-28
EP2165144B1 (de) 2016-05-04
US20100122797A1 (en) 2010-05-20
JP2010526984A (ja) 2010-08-05
EP2165144A4 (de) 2012-12-12

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