WO1999047875A1 - Heat exchanger assemblies for vehicles - Google Patents

Heat exchanger assemblies for vehicles Download PDF

Info

Publication number
WO1999047875A1
WO1999047875A1 PCT/GB1999/000679 GB9900679W WO9947875A1 WO 1999047875 A1 WO1999047875 A1 WO 1999047875A1 GB 9900679 W GB9900679 W GB 9900679W WO 9947875 A1 WO9947875 A1 WO 9947875A1
Authority
WO
WIPO (PCT)
Prior art keywords
frame
sub
assembly
heat exchanger
exchanger unit
Prior art date
Application number
PCT/GB1999/000679
Other languages
French (fr)
Inventor
Ian Johnathan Hateley
Original Assignee
Grayson Automotive Services Limited
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 Grayson Automotive Services Limited filed Critical Grayson Automotive Services Limited
Priority to AU28456/99A priority Critical patent/AU2845699A/en
Priority to EP99909086A priority patent/EP1064511B1/en
Priority to DE69934217T priority patent/DE69934217D1/en
Priority to US09/646,155 priority patent/US6386273B1/en
Priority to CA002323700A priority patent/CA2323700A1/en
Publication of WO1999047875A1 publication Critical patent/WO1999047875A1/en

Links

Classifications

    • 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
    • F28F9/001—Casings in the form of plate-like arrangements; Frames enclosing a heat exchange core
    • F28F9/002—Casings in the form of plate-like arrangements; Frames enclosing a heat exchange core with fastening means for other structures

Definitions

  • This invention concerns heat exchanger assemblies, for internal combustion engine vehicles including vehicles such as motor omnibuses, coaches and like multi-passenger road vehicles, which are hereinafter collectively referred to as "buses”.
  • a heat exchanger unit which includes a core and manifold assembly supported by and mounted in a rectangular sub- frame, characterised in that the sub-frame comprises a U- shaped member, in that the opposed parallel limbs of the U-shaped member form confronting channels to receive side portions of the assembly, and in that the sub-frame further comprises a cross-member secured to the core and manifold assembly and releasably secured to the U-shaped member to retain said assembly in said channels.
  • the sub-frame preferably provides mountings for locating an intercooler to one side of the core and manifold assembly, and a fan and cowl to the other side of said assembly.
  • the mountings for the intercooler are preferably provided on the cross-member. Further mountings may be provided on the sub-frame for an oil cooler alongside the intercooler.
  • the cross-portion of the U-shaped member joining the parallel limbs thereof preferably provides abutments for anti-vibration means providing support for said assembly, and, preferably, also for the intercooler.
  • the heat exchanger unit is preferably fitted to a vehicle with the U-shaped member in an inverted position so that the core and manifold assembly can be slid into and out of the sub-frame from beneath the vehicle.
  • the invention also provides a method of removing a radiator from a heater exchanger unit in which a rectangular sub-frame includes a cross-member which is secured to one end or margin of the radiator, which method is characterised in that said cross-member is separated from the rest of the sub-frame to allow the radiator to be slid out of the rest of the sub-frame in a direction extending in the installed plane of the radiator.
  • This method allows removal of the radiator without prior removal of other heat exchangers or cooling fans installed in planes alongside said installed plane of the radiator.
  • FIGURE 1 is an exploded perspective view of a heat exchanger unit of the invention showing the major parts of the unit;
  • FIGURE 2 shows the assembled unit in side elevation
  • FIGURE 3 shows the unit in plan
  • FIGURE 4 shows the unit in rear elevation.
  • the heat exchanger unit 10 includes an oil cooler 11 (in the form of an oil to air heat exchanger), an intercooler 12 (in the form of an air to air heat exchanger) which is sometimes called a "charge cooler", a radiator sub-frame 13, a radiator manifold and core assembly 14 (in the form of a water to air heat exchanger), a fan cowl 15 and a fan unit 16.
  • the sub-frame 13 is rectangular and includes a U- shaped member 20 intended to be mounted in a vehicle in an inverted position as shown in the drawings, and a cross member 21 which (although shown separate in FIGURE 1) is welded or brazed to the lower one of two end manifolds 22 and 23 of the radiator manifold and core assembly 14.
  • the cross member 21 is securable at its ends by fasteners 18 between the lower portions of the two parallel limbs 24 of the U-shaped member 20 to complete the rectangular sub- frame 13.
  • the limbs 24 define confronting channels in which the aforesaid assembly 14 is located.
  • the assembly 14 includes a core 25 extending between the manifolds 22 and 23, which core 25 has lateral plates 26 which are a close sliding fit in the channels, so that the assembly 14 is slidably removable from the U-shaped member 20 when the cross-member 21 is detached from the limbs 24.
  • the U-shaped member 20 has a cross portion 27 which bridges the limbs 24, and the other manifold 23 has an end portion 28 which fits into said cross portion 27.
  • the cross-member 21 carries mountings 29 (in the form of lugs ) to which the lower end of the inter-cooler
  • the mountings 29 may be releasably secured to the lower end portions of the limbs 24.
  • the cross portion 27 provides abutments 30 ( in the form of apertures ) to receive anti-vibration means which connects the end portion 28 with the cross portion; and provides further abutments 31 (in the form of apertured lugs ) to receive locators which connect the upper end of the intercooler 12 with said abutments 31.
  • the anti-vibration means comprises a pair of bolts 32 (FIGURE 4) secured to the end portion 28, a coil spring 33 around each bolt, and a nut 34 to clamp the coil spring against the abutment.
  • the bolts 32 may be replaced by pegs (not shown) and the 5 springs may be replaced by elastomeric bodies which are secured to the cross-portion and which are apertured to receive the pegs.
  • the locators in this embodiment are similar to either form of the anti-vibration means. Both forms of anti-vibration means permit the radiator to expand vertically relative to the sub-frame, but the form employing bolts and ' nuts requires access to be provided to the upper end of the unit 10 for final release of the radiator and/or the intercooler when the cross-member 21 is unfastened from the lower ends of the limbs, whereas in the other form the pegs may be withdrawn from the bushes when the radiator and/or intercooler is or are moved downwards .
  • Both of the oil cooler 11 and the cowl 15 have respective mounting flanges 35 and 36 by means of which they are releasably fastened to the limbs 24, e.g. by fasteners which are accessible when the radiator 14 is removed.
  • the fan unit 16 is connected to the cowl 15 by a spider mounting 17.
  • the entire assembly 10 will usually be mounted on vibration damping mountings (not shown) provided on a vehicle's structure by means of a pair of strong brackets 40 releasably secured to the lower portions of the limbs 24 and at least one downwardly open inverted U-shaped locator 41 supported by a further vibration damping mounting on the vehicle to receive the cross portion 27, to steady the upper end of the assembly 10, so that the entire assembly is easily removable from the vehicle after disconnection of the fluid ducts, such as the hoses and pipes, the power supply to the fans, and the usual 6 electrical connections to sensors e.g. thermostats, for removal and replacement e.g. after an accident.
  • the fluid ducts such as the hoses and pipes, the power supply to the fans, and the usual 6 electrical connections to sensors e.g. thermostats, for removal and replacement e.g. after an accident.
  • the radiator manifold and core assembly 14 can be slid upwardly into position in the sub-frame 13 and downwardly out of the sub-frame, so that removal and replacement of the assembly can be performed from beneath the vehicle.
  • the invention is not confined to details of the foregoing example and many variations, modifications and mechanical or functional equivalents or parts and fasteners specifically disclosed are included within the scope of the invention.
  • the invention further includes an assembly or method incorporating any part, functional feature or operation herein or in the drawings disclosed, any combination thereof, or any mechanical equivalent thereof.

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Cooling, Air Intake And Gas Exhaust, And Fuel Tank Arrangements In Propulsion Units (AREA)

Abstract

A heat exchanger unit (10) comprises a core (25) and manifold (22, 23) assembly (14) mounted in a rectangular sub-frame (13). The sub-frame (13) comprises a U-shaped member (20) the opposed limbs (24) of which form confronting channels receiving side portions of the assembly (14), and a cross-member (21) secured to the assembly (14) and releasably secured to the ends of the limbs (24) to complete the rectangular sub-frame (13) and retain the assembly (14) in it. The unit (10) is fitted to a vehicle with the U-shaped member (20) in an inverted position so that with the cross-member (21) disconnected from it the assembly (14) can be slid into and out of the sub-frame (13) from beneath the vehicle.

Description

HEAT EXCHANGER ASSEMBLIES FOR VEHICLES
This invention concerns heat exchanger assemblies, for internal combustion engine vehicles including vehicles such as motor omnibuses, coaches and like multi-passenger road vehicles, which are hereinafter collectively referred to as "buses".
A problem common to vehicles is overheating caused by the engine cooling heat exchanger becoming blocked or partially blocked to the flow of air therethrough by the accumulation of dirt and debris on the heat exchanger (commonly called the "radiator"). This problem is particularly severe in urban and city areas in which buses operate.
For many years buses were configured with engines at the front and the radiators mounted in front of the engines to face the incident air flow. To facilitate steam cleaning of such forward facing radiators, we developed a strong rectangular peripheral sub-frame in which a relatively weak radiator core and manifold assembly was supported and held by retaining means so that forwards removal of the retaining means enabled the assembly to be moved in a forwards direction (nominally perpendicular to the median plane of the sub-frame) to facilitate cleaning of the core without having first to dismantle the sub-frame from the bus.
However this expedient is not applicable to the newer rear engined buses, in which the packing density of the engine, its ancillaries and cooling system is much greater than that of front engined buses. Thus, at present it takes some 7 to 8 man hours to remove a radiator from a typical rear engined modern bus.
The current requirements for compact and complex heat exchanger installations comprising a radiator, an intercooler and an oil cooler with one or more cooling air 2 flow boost fans and the cowlings thereof, exacerbate the problems of inaccessibility and cleaning (particularly removal for steam cleaning) of the radiator.
In order to solve the aforementioned problems, according to the present invention there is provided a heat exchanger unit which includes a core and manifold assembly supported by and mounted in a rectangular sub- frame, characterised in that the sub-frame comprises a U- shaped member, in that the opposed parallel limbs of the U-shaped member form confronting channels to receive side portions of the assembly, and in that the sub-frame further comprises a cross-member secured to the core and manifold assembly and releasably secured to the U-shaped member to retain said assembly in said channels.
Release of the cross-member allows said assembly to be slid out of the channels so that the assembly can be slid out of the sub-frame in the median plane of the frame.
The sub-frame preferably provides mountings for locating an intercooler to one side of the core and manifold assembly, and a fan and cowl to the other side of said assembly. The mountings for the intercooler are preferably provided on the cross-member. Further mountings may be provided on the sub-frame for an oil cooler alongside the intercooler.
The cross-portion of the U-shaped member joining the parallel limbs thereof preferably provides abutments for anti-vibration means providing support for said assembly, and, preferably, also for the intercooler.
The heat exchanger unit is preferably fitted to a vehicle with the U-shaped member in an inverted position so that the core and manifold assembly can be slid into and out of the sub-frame from beneath the vehicle. 3
The invention also provides a method of removing a radiator from a heater exchanger unit in which a rectangular sub-frame includes a cross-member which is secured to one end or margin of the radiator, which method is characterised in that said cross-member is separated from the rest of the sub-frame to allow the radiator to be slid out of the rest of the sub-frame in a direction extending in the installed plane of the radiator.
This method allows removal of the radiator without prior removal of other heat exchangers or cooling fans installed in planes alongside said installed plane of the radiator.
The invention will be described further, by way of example, with reference to the accompanying diagrammatic drawings , wherein: -
FIGURE 1 is an exploded perspective view of a heat exchanger unit of the invention showing the major parts of the unit;
FIGURE 2 shows the assembled unit in side elevation;
FIGURE 3 shows the unit in plan, and
FIGURE 4 shows the unit in rear elevation.
Referring to the drawings, the heat exchanger unit 10 includes an oil cooler 11 (in the form of an oil to air heat exchanger), an intercooler 12 (in the form of an air to air heat exchanger) which is sometimes called a "charge cooler", a radiator sub-frame 13, a radiator manifold and core assembly 14 (in the form of a water to air heat exchanger), a fan cowl 15 and a fan unit 16.
The sub-frame 13 is rectangular and includes a U- shaped member 20 intended to be mounted in a vehicle in an inverted position as shown in the drawings, and a cross member 21 which (although shown separate in FIGURE 1) is welded or brazed to the lower one of two end manifolds 22 and 23 of the radiator manifold and core assembly 14. The cross member 21 is securable at its ends by fasteners 18 between the lower portions of the two parallel limbs 24 of the U-shaped member 20 to complete the rectangular sub- frame 13. The limbs 24 define confronting channels in which the aforesaid assembly 14 is located.
The assembly 14 includes a core 25 extending between the manifolds 22 and 23, which core 25 has lateral plates 26 which are a close sliding fit in the channels, so that the assembly 14 is slidably removable from the U-shaped member 20 when the cross-member 21 is detached from the limbs 24.
The U-shaped member 20 has a cross portion 27 which bridges the limbs 24, and the other manifold 23 has an end portion 28 which fits into said cross portion 27.
The cross-member 21 carries mountings 29 (in the form of lugs ) to which the lower end of the inter-cooler
12 is releasably secured by fasteners, but in other embodiments the mountings 29 may be releasably secured to the lower end portions of the limbs 24.
The cross portion 27 provides abutments 30 ( in the form of apertures ) to receive anti-vibration means which connects the end portion 28 with the cross portion; and provides further abutments 31 (in the form of apertured lugs ) to receive locators which connect the upper end of the intercooler 12 with said abutments 31. In this embodiment the anti-vibration means comprises a pair of bolts 32 (FIGURE 4) secured to the end portion 28, a coil spring 33 around each bolt, and a nut 34 to clamp the coil spring against the abutment. In other embodiments the bolts 32 may be replaced by pegs (not shown) and the 5 springs may be replaced by elastomeric bodies which are secured to the cross-portion and which are apertured to receive the pegs. The locators in this embodiment are similar to either form of the anti-vibration means. Both forms of anti-vibration means permit the radiator to expand vertically relative to the sub-frame, but the form employing bolts and'nuts requires access to be provided to the upper end of the unit 10 for final release of the radiator and/or the intercooler when the cross-member 21 is unfastened from the lower ends of the limbs, whereas in the other form the pegs may be withdrawn from the bushes when the radiator and/or intercooler is or are moved downwards .
Both of the oil cooler 11 and the cowl 15 have respective mounting flanges 35 and 36 by means of which they are releasably fastened to the limbs 24, e.g. by fasteners which are accessible when the radiator 14 is removed. The fan unit 16 is connected to the cowl 15 by a spider mounting 17.
All the fluid connectors 37 for oil, air and water flowing to and from the heat exchangers, face in a common direction and are exposed at the periphery of the sub- frame 13, to facilitate fitting and removal of hoses and pipes.
The entire assembly 10 will usually be mounted on vibration damping mountings (not shown) provided on a vehicle's structure by means of a pair of strong brackets 40 releasably secured to the lower portions of the limbs 24 and at least one downwardly open inverted U-shaped locator 41 supported by a further vibration damping mounting on the vehicle to receive the cross portion 27, to steady the upper end of the assembly 10, so that the entire assembly is easily removable from the vehicle after disconnection of the fluid ducts, such as the hoses and pipes, the power supply to the fans, and the usual 6 electrical connections to sensors e.g. thermostats, for removal and replacement e.g. after an accident.
With the U-shaped member 20 mounted in an inverted position in a vehicle, for example a bus, the radiator manifold and core assembly 14 can be slid upwardly into position in the sub-frame 13 and downwardly out of the sub-frame, so that removal and replacement of the assembly can be performed from beneath the vehicle.
The invention is not confined to details of the foregoing example and many variations, modifications and mechanical or functional equivalents or parts and fasteners specifically disclosed are included within the scope of the invention. The invention further includes an assembly or method incorporating any part, functional feature or operation herein or in the drawings disclosed, any combination thereof, or any mechanical equivalent thereof.

Claims

1. A heat exchanger unit which includes a core and manifold assembly supported by and mounted in a rectangular sub-frame, characterised in that the sub-frame comprises a U-shaped member, in that the opposed parallel limbs of the U-shaped member form confronting channels to receive side portions of the assembly, and in that the sub-frame further comprises a cross-member secured to the core and manifold assembly and releasably secured to the U-shaped member to retain said assembly in said channels. -
2. A heat exchanger unit as claimed in Claim 1 in which the sub-frame provides mountings for locating an intercooler to one side of the core and manifold assembly, and a fan and cowl to the other side of said assembly.
3. A heat exchanger unit as claimed in Claim 2 in which the mountings for the intercooler are provided on the cross-member.
4. A heat exchanger unit as claimed in Claim 2 or 3 in which further mountings are provided on the sub-frame for an oil cooler alongside the intercooler.
5. A heat exchanger unit as claimed in any one of the preceding claims in which the cross-portion of the U- shaped member joining the parallel limbs thereof is provided with anti-vibration means providing support for for said assembly.
6. A heat exchanger unit as claimed in Claim 5 in which the anti-vibration means comprise elastomeric bodies secured to the cross-portion and formed with apertures to receive pegs provided on said assembly.
7. A heat exchanger unit as claimed in any one of the preceding claims which is fitted to a vehicle with the U- 8 shaped member in an inverted position so that the core and manifold assembly can be slid into and out of the sub- frame from beneath the vehicle.
58. A method of removing a radiator from a heater exchanger unit in which a rectangular sub-frame includes a cross-member which is secured to one end or margin of the radiator, which method is characterised in that said cross-member is separated from the rest of the sub-frame 0 to allow the radiator to be slid out of the rest of the sub-frame in a direction extending in the installed plane of the radiator.
9. A heat exchanger unit substantially as herein 5 described with reference to and as illustrated in the accompanying drawings .
0
5
0
5
PCT/GB1999/000679 1998-03-14 1999-03-15 Heat exchanger assemblies for vehicles WO1999047875A1 (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
AU28456/99A AU2845699A (en) 1998-03-14 1999-03-15 Heat exchanger assemblies for vehicles
EP99909086A EP1064511B1 (en) 1998-03-14 1999-03-15 Heat exchanger unit for vehicles
DE69934217T DE69934217D1 (en) 1998-03-14 1999-03-15 HEAT EXCHANGER FOR VEHICLES
US09/646,155 US6386273B1 (en) 1998-03-14 1999-03-15 Heat exchanger assemblies for vehicles
CA002323700A CA2323700A1 (en) 1998-03-14 1999-03-15 Heat exchanger assemblies for vehicles

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB9805379.6 1998-03-14
GBGB9805379.6A GB9805379D0 (en) 1998-03-14 1998-03-14 Heat exchanger assemblies for vehicles

Publications (1)

Publication Number Publication Date
WO1999047875A1 true WO1999047875A1 (en) 1999-09-23

Family

ID=10828500

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/GB1999/000679 WO1999047875A1 (en) 1998-03-14 1999-03-15 Heat exchanger assemblies for vehicles

Country Status (7)

Country Link
US (1) US6386273B1 (en)
EP (1) EP1064511B1 (en)
AU (1) AU2845699A (en)
CA (1) CA2323700A1 (en)
DE (1) DE69934217D1 (en)
GB (1) GB9805379D0 (en)
WO (1) WO1999047875A1 (en)

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DE19953785A1 (en) * 1999-11-09 2001-05-10 Behr Gmbh & Co Radiator module for engine cooling systems in commercial vehicle
DE10061561A1 (en) * 2000-12-07 2002-06-13 Behr Gmbh & Co Module carrier for various heat exchangers of a motor vehicle engine

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US6648089B1 (en) * 2000-08-07 2003-11-18 International Truck Intellectual Property Company, Llc Cooling module mounting system and assembly process
US6817404B2 (en) * 2001-10-25 2004-11-16 Deere & Company Cooling package for agricultural combine
US6470961B1 (en) * 2002-01-08 2002-10-29 General Motors Corporation Condenser, radiator and fan assembly module
JP4066741B2 (en) * 2002-08-22 2008-03-26 株式会社デンソー Vehicle front end structure
DE10316614A1 (en) * 2003-04-11 2004-11-11 Modine Manufacturing Co., Racine Heat exchanger arrangement for motor vehicles
DE102005039090A1 (en) * 2005-08-06 2007-02-08 Behr Gmbh & Co. Kg Assembly support system
JP4907152B2 (en) * 2005-11-04 2012-03-28 カルソニックカンセイ株式会社 Radiator core support
JP4882992B2 (en) * 2007-12-12 2012-02-22 マツダ株式会社 Vehicle front structure
US9321345B2 (en) * 2014-05-14 2016-04-26 Ford Global Technologies, Llc Apparatus and method for joining a hydro-formed tube to an extrusion
US9863719B2 (en) * 2014-09-26 2018-01-09 Caterpillar Inc. Heat exchanger support assembly
US10145294B2 (en) * 2015-11-23 2018-12-04 Ford Global Technologies, Llc Charge air cooler shroud mounting system with one fixed and three floating attachment points
US10514205B2 (en) 2016-04-10 2019-12-24 Forum Us, Inc. Heat exchanger unit
US10502597B2 (en) 2016-04-10 2019-12-10 Forum Us, Inc. Monitored heat exchanger system
US10533881B2 (en) 2016-04-10 2020-01-14 Forum Us, Inc. Airflow sensor assembly for monitored heat exchanger system
US10480820B2 (en) 2016-04-10 2019-11-19 Forum Us, Inc. Heat exchanger unit
US10545002B2 (en) 2016-04-10 2020-01-28 Forum Us, Inc. Method for monitoring a heat exchanger unit
KR102370941B1 (en) 2017-09-11 2022-03-07 현대자동차주식회사 Intercooler cooling apparatus for controlling oil temperature and method for controlling of the same
US20190178590A1 (en) * 2017-12-08 2019-06-13 Global Heat Transfer Ulc Frac radiator filter assembly
EP3527799A1 (en) * 2018-02-20 2019-08-21 Modine Manufacturing Company Frameless cooling module
US11098962B2 (en) 2019-02-22 2021-08-24 Forum Us, Inc. Finless heat exchanger apparatus and methods
US11946667B2 (en) 2019-06-18 2024-04-02 Forum Us, Inc. Noise suppresion vertical curtain apparatus for heat exchanger units
CN114135389B (en) * 2021-11-30 2024-01-05 江苏维创散热器制造有限公司 Corrosion-resistant vibration-resistant radiator of internal combustion engine generator set suitable for marine environment

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DE19953785A1 (en) * 1999-11-09 2001-05-10 Behr Gmbh & Co Radiator module for engine cooling systems in commercial vehicle
FR2800678A1 (en) * 1999-11-09 2001-05-11 Behr Gmbh & Co COOLER MODULE
DE19953785B4 (en) * 1999-11-09 2012-06-21 Behr Gmbh & Co. Kg cooler module
DE10061561A1 (en) * 2000-12-07 2002-06-13 Behr Gmbh & Co Module carrier for various heat exchangers of a motor vehicle engine
EP1213554A3 (en) * 2000-12-07 2004-02-04 Behr GmbH & Co. Module support for different heat exchangers of an automotive vehicle

Also Published As

Publication number Publication date
US6386273B1 (en) 2002-05-14
EP1064511A1 (en) 2001-01-03
DE69934217D1 (en) 2007-01-11
EP1064511B1 (en) 2006-11-29
AU2845699A (en) 1999-10-11
GB9805379D0 (en) 1998-05-06
CA2323700A1 (en) 1999-09-23

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