US20120222837A1 - Heat exchanger of a vehicle provided with a protection grid - Google Patents

Heat exchanger of a vehicle provided with a protection grid Download PDF

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Publication number
US20120222837A1
US20120222837A1 US13/409,736 US201213409736A US2012222837A1 US 20120222837 A1 US20120222837 A1 US 20120222837A1 US 201213409736 A US201213409736 A US 201213409736A US 2012222837 A1 US2012222837 A1 US 2012222837A1
Authority
US
United States
Prior art keywords
protection grid
heat exchanger
grid
frame
exchanger
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
US13/409,736
Other languages
English (en)
Inventor
Francesco Lanfranco
Marco Moschella
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.)
Denso Thermal Systems SpA
Original Assignee
Denso Thermal Systems SpA
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 Denso Thermal Systems SpA filed Critical Denso Thermal Systems SpA
Assigned to DENSO THERMAL SYSTEMS S.P.A. reassignment DENSO THERMAL SYSTEMS S.P.A. ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: LANFRANCO, FRANCESCO, Moschella, Marco
Publication of US20120222837A1 publication Critical patent/US20120222837A1/en
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
    • B60H1/32—Cooling devices
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F19/00—Preventing the formation of deposits or corrosion, e.g. by using filters or scrapers
    • F28F19/002—Preventing the formation of deposits or corrosion, e.g. by using filters or scrapers by using inserts or attachments
    • 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
    • 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
    • F28D2021/008—Other heat exchangers for particular applications; Heat exchange systems not otherwise provided for for vehicles
    • F28D2021/0084—Condensers
    • 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
    • F28D2021/008—Other heat exchangers for particular applications; Heat exchange systems not otherwise provided for for vehicles
    • F28D2021/0091—Radiators
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F2265/00—Safety or protection arrangements; Arrangements for preventing malfunction
    • F28F2265/02—Safety or protection arrangements; Arrangements for preventing malfunction in the form of screens or covers

Definitions

  • the present invention relates to a heat exchanger of a vehicle, comprising
  • Protection grids are conventionally used in motor vehicles to protect heat exchangers such as heaters and condensers.
  • an object of the present invention is to provide a heat exchanger with a protection grid that is able to at least partially obviate the above stated drawbacks.
  • a heat exchanger of the type defined in the beginning, in which fastening and supporting means are provided, by means of which opposite side edges of the protection grid are directly connected and firmly fastened to the frame or to the headers, and by means of which the protection grid is supported by the heat exchanger, and anchoring means by means of which a lower edge of the grid is unfirmly retained to a lower side of the heat exchanger.
  • FIG. 1 is an axonometric view of the lower part of a heat exchanger according to the invention
  • FIGS. 2 and 3 are views at an enlarged scale of details indicated by the arrow II and the arrow III of FIG. 1 , respectively;
  • FIG. 4 is a view at an enlarged scale and from below of a detail, according to the arrow IV of FIG. 1 ;
  • FIGS. 5 and 6 are front and rear views, respectively, of a protection grid of the heat exchanger of FIG. 1 ;
  • FIGS. 7 and 8 are views that show a second embodiment of a heat exchanger according to the invention, with and without the protection grid, respectively;
  • FIGS. 10 and 11 are views at an enlarged scale of details indicated by the arrow X and the arrow XI of FIG. 7 , respectively;
  • FIG. 12 is a simplified cross-sectional view of a lower portion of the exchanger of FIG. 7 .
  • the exchanger 1 further comprises a protection grid 10 , attached at a face (in particular, the front face) of the heat exchanger 1 and including a plurality of parallel grid elements 11 , in which each of such grid elements 11 is adapted to shield a corresponding tube 5 of the heat exchanger 1 .
  • the protection grid 10 is in particular an element made integrally of plastic or metal material, and the grid elements 11 are constituted by little bars that are spaced apart one from another, having a pitch corresponding to the pitch of the tubes of the exchanger. The little bars can be mutually connected by reinforcing bridges.
  • the lower edge of the protection grid is “unfirmly” retained to the lower side of the heat exchanger, by the anchoring means, in the sense that the retention operated by the anchoring means is lost when the fastening and supporting means are disabled or removed, which make the firm fastening of the grid to the exchanger.
  • the “unfirm” retention is achieved due to the fact that the lower edge of the protection grid engages by interference the lower side of the heat exchanger.
  • the fastening and supporting means are constituted, for each side edge of the protection grid 10 , by a pair of snap-fit spring tongues 15 a, 15 b and by a dowelling and supporting formation 16 a, 16 b, wherein the spring tongues 15 a, 15 b and the and supporting formations 16 a, 16 b are integrally formed on the body of the corresponding header 7 a, 7 b.
  • Each spring tongue 15 a, 15 b extends in a direction perpendicular to the plane of the exchanger, and is arranged in such a way as to be adapted to bend in a vertical direction, being provided with a respective detent 15 c, 15 d adapted to engage a corresponding portion of the protection grid 10 .
  • each side edge 13 a, 13 b of the protection grid is provided with a corresponding ear portion 14 a, 14 b laterally extending so as to overlap the corresponding header 7 a, 7 b, and has an aperture 14 c, 14 d adapted to be snap-fit by the corresponding pair of snap-fit spring tongues 15 a, 15 b.
  • one of the apertures 14 c, 14 d (in the example, the one on the right, 14 c ) has a greater width in the horizontal direction, in order to compensate possible manufacturing tolerances.
  • Each dowelling and supporting formation 16 a, 16 b extends in a direction perpendicular to the plane of the exchanger and is T-shaped in cross-section.
  • Each dowelling and supporting formation 16 a, 16 b is for fitting into a T-shaped aperture 14 e, 14 f formed in the corresponding ear portion 14 a, 14 b.
  • one of the shaped apertures 14 e, 14 f (in the example, the one on the right, 14 e ) has a greater width in the horizontal direction, in order to compensate possible manufacturing tolerances.
  • the fastening and supporting means are constituted by screws or rivets fitted into corresponding bores formed on the side edges 13 a, 13 b, and engaging corresponding seats formed on the body of the headers 7 a, 7 b in such a way to firmly fasten the protection grid thereto.
  • the fastening, dowelling, and supporting functions are performed by the same elements.
  • an engaging formation (not shown) adapted to snap-fit one (or two) of the tubes 5 of the heat exchanger is integrally formed on the upper edge 13 c of the protection grid 10 .
  • At least one preload curvature is formed on the protection grid 10 , which, in the assembled condition, elastically biases the grid elements 11 against the tubes 5 of the exchanger to further reduce the onset of vibrations.
  • one or more preload ribs can be further present.
  • the tubes 5 extend between the upper 3 c and lower 3 d plates of the frame 3 , and the headers 7 a, 7 b are arranged at such plates.
  • fastening and supporting means 15 are provided, by means of which the side edges 13 a, 13 b of the protection grid 10 are directly connected and firmly fastened to the side plates 3 a, 3 b, and by means of which the protection grid 10 is supported by the heat exchanger 1 , and anchoring means 17 by means of which the lower edge 13 d of the protection grid 10 is unfirmly retained to a lower side of the heat exchanger 1 .
  • the fastening and supporting means are constituted, for each side edge of the protection grid 10 , by a pair of snap-fit spring tongues 15 a, 15 b and by a dowelling and supporting formation 16 a, 16 b, wherein the spring tongues 15 a, 15 b and the dowelling and supporting formations 16 a, 16 b are formed integrally on a support element 21 a, 21 b that is attached, for example by rivets, to the corresponding side plate 3 a, 3 b.
  • each side edge 13 a, 13 b of the protection grid is provided with a corresponding coupling portion 23 a, 23 b that is arranged so as to overlap the corresponding support element 21 a, 21 b, and having an aperture 14 c, 14 d adapted to be snap-fit by the corresponding pair of snap-fit spring tongues 15 a, 15 b.
  • Each dowelling and supporting formation 16 a, 16 b is for fitting into a T-shaped aperture 14 e, 14 f formed in the corresponding coupling portion 14 a, 14 b.
  • the above-mentioned anchoring means 17 are constituted by at least one tab portion 17 a integrally formed on and extending downward from the lower edge 13 d of the protection grid 10 .
  • Said at least one tab portion 17 a is adapted to engage a corresponding slot of the lower plate 3 d of the frame 3 of the exchanger, so as to unfirmly retain the lower edge 13 d of the protection grid 10 to the lower side of the heat exchanger 1 .
  • Such expedient allows reducing or eliminating possible vibrations associated to the lower central part of the protection grid 10 , while not requiring complex coupling operations upon assembling the grid on the exchanger.
  • a vibration-damping element 25 of shock-absorbing material is sandwiched between the protection grid 10 and the tubes 5 of the exchanger, such as, for example rubber, which is arranged in such a way as to be pressed between the protection grid 10 and the tubes 5 .
  • Such vibration-damping element can be mechanically attached on the protection grid 10 , or moulded thereon.
  • the vibration-damping element 25 is mechanically attached to a corresponding portion of the protection grid 10 , by means of barbs integrally formed on the vibration-damping element 25 and inserted into corresponding bores formed on the protection grid.

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Details Of Heat-Exchange And Heat-Transfer (AREA)
  • Cooling, Air Intake And Gas Exhaust, And Fuel Tank Arrangements In Propulsion Units (AREA)
  • Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
  • Air-Conditioning For Vehicles (AREA)
US13/409,736 2011-03-02 2012-03-01 Heat exchanger of a vehicle provided with a protection grid Abandoned US20120222837A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ITTO2011A000187 2011-03-02
IT000187A ITTO20110187A1 (it) 2011-03-02 2011-03-02 Scambiatore di calore di un veicolo, provvisto di una griglia di protezione

Publications (1)

Publication Number Publication Date
US20120222837A1 true US20120222837A1 (en) 2012-09-06

Family

ID=43977424

Family Applications (1)

Application Number Title Priority Date Filing Date
US13/409,736 Abandoned US20120222837A1 (en) 2011-03-02 2012-03-01 Heat exchanger of a vehicle provided with a protection grid

Country Status (8)

Country Link
US (1) US20120222837A1 (pt)
EP (1) EP2495521B1 (pt)
JP (1) JP2012229907A (pt)
KR (1) KR20120100747A (pt)
BR (1) BR102012004655A2 (pt)
ES (1) ES2477565T3 (pt)
IT (1) ITTO20110187A1 (pt)
SI (1) SI2495521T1 (pt)

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20150047808A1 (en) * 2011-12-27 2015-02-19 Denso Corporation Heat exchanger mounting structure
GB2525932A (en) * 2014-05-09 2015-11-11 Calsonic Kansei Uk Ltd A mounting assembly for an automotive thermal system
USD751474S1 (en) 2014-12-17 2016-03-15 James E. Kirkland, Jr. All-terrain vehicle radiator guard
CN109073341A (zh) * 2016-12-12 2018-12-21 法雷奥热系统公司 包括保护装置的热交换装置
US20190061662A1 (en) * 2017-08-24 2019-02-28 Denso International America, Inc. Radiator Stone Impact Protective Guard
DE102018200475A1 (de) 2018-01-12 2019-07-18 Ford Global Technologies, Llc Kraftfahrzeug mit Kühlerabdeckung
CN112747610A (zh) * 2019-10-30 2021-05-04 马勒国际有限公司 热交换器，尤其是冷却剂冷却器
EP3943865A1 (en) * 2020-07-23 2022-01-26 Valeo Autosystemy SP. Z.O.O. A heat exchanger assembly
CN114274906A (zh) * 2021-12-30 2022-04-05 浙江银轮机械股份有限公司 散热器
US20220252362A1 (en) * 2019-07-23 2022-08-11 Valeo Autosystemy Sp. Z O.O. A protection system for a heat exchanger
US11566857B2 (en) * 2017-09-18 2023-01-31 Valeo Autosystemy Sp. Z O.O. Protection device for a heat exchanger

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101926390B1 (ko) 2012-03-23 2018-12-07 주식회사 두원공조 차량용 공기조화장치의 열교환기
JP6305244B2 (ja) * 2014-06-30 2018-04-04 株式会社ケーヒン・サーマル・テクノロジー 熱交換器ユニット
KR102141872B1 (ko) * 2015-04-02 2020-08-07 한온시스템 주식회사 차량용 응축기의 보호장치
FR3035955B1 (fr) * 2015-05-06 2019-04-19 Valeo Systemes Thermiques Echangeur de chaleur comportant un dispositif de protection
FR3042031B1 (fr) * 2015-10-02 2020-01-17 Renault S.A.S. " echangeur thermique pour le refroidissement de l'air de suralimentation d'un moteur, notamment de vehicule automobile "
FR3057945B1 (fr) * 2016-10-24 2019-09-13 Valeo Systemes Thermiques Grillet d'obturation pour un echangeur de chaleur refroidi par un flux d'air
EP3435020B1 (en) * 2017-07-24 2023-05-24 VALEO AUTOSYSTEMY Sp. z o.o. Heat exchange device for motor vehicle
EP3590771B1 (en) * 2018-07-03 2021-03-03 Valeo Autosystemy SP. Z.O.O. A protective grid system with sealing elements
US10407013B1 (en) * 2018-07-18 2019-09-10 Denso International America, Inc. Radiator core stone guard
FR3104693A1 (fr) * 2019-12-12 2021-06-18 Valeo Systemes Thermiques Grille de protection d’un échangeur de chaleur.
EP4012316B1 (en) * 2020-12-11 2023-06-28 Valeo Autosystemy SP. Z.O.O. A heat exchanger assembly
DE102022209688A1 (de) 2022-09-15 2024-03-21 Mahle International Gmbh Schutzeinrichtung für Rohrkörper eines Wärmeübertragers

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US6589307B2 (en) * 2000-12-13 2003-07-08 Deere & Company Intake screen for a vehicle
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US1496661A (en) * 1920-10-27 1924-06-03 Christian F Dreier Radiator protector
US1571354A (en) * 1922-06-17 1926-02-02 Gen Motors Corp Radiator shield for motor vehicles
US1877324A (en) * 1930-07-31 1932-09-13 Fedders Mfg Co Inc Mounting for radiator shutters
US1811527A (en) * 1930-09-08 1931-06-23 Fred M Young Radiator
US3229760A (en) * 1963-12-02 1966-01-18 Standard Thomson Corp Heat exchanger apparatus
US4169501A (en) * 1976-12-02 1979-10-02 Kabushiki Kaisha Komatsu Seisakusho Airflow regulating apparatus for radiator
US4140177A (en) * 1977-07-13 1979-02-20 Caterpillar Tractor Co. Protective grid and structural support for a radiator
US4403648A (en) * 1979-06-11 1983-09-13 Caterpillar Tractor Co. Engine radiator support and guard assembly
US4378925A (en) * 1981-03-10 1983-04-05 Lingo Manufacturing Company T-Bracket shelf assembly
US4519467A (en) * 1982-11-01 1985-05-28 Paccar Inc. Lower radiator mount
US4706461A (en) * 1986-02-14 1987-11-17 Navistar International Transportation Corp. Ambient air modulator for engine fluid heat exchanger
US5042575A (en) * 1990-08-27 1991-08-27 General Motors Corporation Evaporator core having biocidal fixture
US5769608A (en) * 1994-06-10 1998-06-23 P.D. Coop, Inc. Resonant system to pump liquids, measure volume, and detect bubbles
US5718283A (en) * 1995-07-27 1998-02-17 Valeo Thermique Moteur Protective screen for a vehicle heat exchanger
US5667004A (en) * 1996-04-29 1997-09-16 General Motors Corporation Molded plastic heat exchanger mounting channel
US6113198A (en) * 1998-09-16 2000-09-05 Howard Miller Clock Company Collectibles display cabinet with interior electrical outlets
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US6883518B2 (en) * 2001-06-25 2005-04-26 3M Innovative Properties Company Unidirectional respirator valve
US20030222436A1 (en) * 2002-03-27 2003-12-04 Denso Thermal Systems Spa Dashboard for vehicles
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US20040035551A1 (en) * 2002-08-07 2004-02-26 Masami Tamura Cover structure for heat exchanger having resinous tank
US20040069443A1 (en) * 2002-09-27 2004-04-15 Yoshinori Yagi Heat exchanger module
US20040188061A1 (en) * 2002-10-29 2004-09-30 Ralf Beck Frame for multiple vehicle heat exchangers
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US20080088750A1 (en) * 2005-01-05 2008-04-17 Michael Cadio Display Device with Speaker Grill
US20080289794A1 (en) * 2005-09-12 2008-11-27 Frank Joseph Leitch Vehicle cooling assembly having a protective screen

Cited By (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9719734B2 (en) * 2011-12-27 2017-08-01 Denso Corporation Heat exchanger mounting structure
US20150047808A1 (en) * 2011-12-27 2015-02-19 Denso Corporation Heat exchanger mounting structure
GB2525932B (en) * 2014-05-09 2019-06-26 Calsonic Kansei Uk Ltd A mounting assembly for an automotive thermal system
GB2525932A (en) * 2014-05-09 2015-11-11 Calsonic Kansei Uk Ltd A mounting assembly for an automotive thermal system
USD751474S1 (en) 2014-12-17 2016-03-15 James E. Kirkland, Jr. All-terrain vehicle radiator guard
CN109073341A (zh) * 2016-12-12 2018-12-21 法雷奥热系统公司 包括保护装置的热交换装置
US11255617B2 (en) * 2016-12-12 2022-02-22 Valeo Systemes Thermiques Heat exchange device including a protection device
US20190061662A1 (en) * 2017-08-24 2019-02-28 Denso International America, Inc. Radiator Stone Impact Protective Guard
US10967823B2 (en) * 2017-08-24 2021-04-06 Denso International America, Inc. Radiator stone impact protective guard
US11566857B2 (en) * 2017-09-18 2023-01-31 Valeo Autosystemy Sp. Z O.O. Protection device for a heat exchanger
DE102018200475A1 (de) 2018-01-12 2019-07-18 Ford Global Technologies, Llc Kraftfahrzeug mit Kühlerabdeckung
US20220252362A1 (en) * 2019-07-23 2022-08-11 Valeo Autosystemy Sp. Z O.O. A protection system for a heat exchanger
CN112747610A (zh) * 2019-10-30 2021-05-04 马勒国际有限公司 热交换器，尤其是冷却剂冷却器
EP3943865A1 (en) * 2020-07-23 2022-01-26 Valeo Autosystemy SP. Z.O.O. A heat exchanger assembly
CN114274906A (zh) * 2021-12-30 2022-04-05 浙江银轮机械股份有限公司 散热器

Also Published As

Publication number Publication date
SI2495521T1 (sl) 2014-08-29
EP2495521A1 (en) 2012-09-05
BR102012004655A2 (pt) 2013-11-05
KR20120100747A (ko) 2012-09-12
ES2477565T3 (es) 2014-07-17
JP2012229907A (ja) 2012-11-22
ITTO20110187A1 (it) 2012-09-03
EP2495521B1 (en) 2014-04-09

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