EP1769207A1 - Platten-wärmetauscher - Google Patents
Platten-wärmetauscherInfo
- Publication number
- EP1769207A1 EP1769207A1 EP05770113A EP05770113A EP1769207A1 EP 1769207 A1 EP1769207 A1 EP 1769207A1 EP 05770113 A EP05770113 A EP 05770113A EP 05770113 A EP05770113 A EP 05770113A EP 1769207 A1 EP1769207 A1 EP 1769207A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- heat exchanger
- plate heat
- channels
- plates
- housing
- 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
Links
- 239000012530 fluid Substances 0.000 claims abstract description 24
- 125000006850 spacer group Chemical group 0.000 claims abstract description 21
- 238000007789 sealing Methods 0.000 claims description 23
- 101100495769 Caenorhabditis elegans che-1 gene Proteins 0.000 claims 1
- 238000002485 combustion reaction Methods 0.000 description 10
- 239000007788 liquid Substances 0.000 description 8
- 230000003716 rejuvenation Effects 0.000 description 3
- 239000000498 cooling water Substances 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 2
- 230000001771 impaired effect Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 241000538562 Banjos Species 0.000 description 1
- 206010000496 acne Diseases 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 239000000110 cooling liquid Substances 0.000 description 1
- 230000006735 deficit Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- NQLVQOSNDJXLKG-UHFFFAOYSA-N prosulfocarb Chemical compound CCCN(CCC)C(=O)SCC1=CC=CC=C1 NQLVQOSNDJXLKG-UHFFFAOYSA-N 0.000 description 1
- 230000035882 stress Effects 0.000 description 1
- 230000008646 thermal stress Effects 0.000 description 1
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
- F28D9/00—Heat-exchange apparatus having stationary plate-like or laminated conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
- F28D9/0062—Heat-exchange apparatus having stationary plate-like or laminated conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits for one heat-exchange medium being formed by spaced plates with inserted elements
- F28D9/0075—Heat-exchange apparatus having stationary plate-like or laminated conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits for one heat-exchange medium being formed by spaced plates with inserted elements the plates having openings therein for circulation of the heat-exchange medium from one conduit to another
-
- 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
- F28F9/007—Auxiliary supports for elements
- F28F9/0075—Supports for plates or plate assemblies
Definitions
- the invention relates to a plate heat exchanger, in particular for reciprocating internal combustion engines, with a number of guide channels for a fluid, which are connected in parallel to each other by collecting ducts, wherein the guide channels comprise a pair of plates which are sealingly ver ⁇ together at their edges , In the region of the collecting channels between the plates within the guide channels spacers and outside the guide channels spacers are provided and wherein the collecting ducts on fluid channels in a housing sealingly connectable bar and are sealed at the opposite end and the plate heat exchanger by means of screws on the housing can be fastened.
- Such a plate heat exchanger is known from EP 0 470 200 B1.
- the plates have a substantially rectangular shape in a plan view, which are rounded at the narrow sides.
- spacers and spacers are provided between the plates, which connect to the plates in the region of the collecting ducts End sheets.
- Both the end plates and the spacers and spacers completely fill the arcuate narrow sides of the plates and have through holes for screws, with which the plate heat exchanger on a Brennkraft ⁇ machine or a housing of an internal combustion engine anschraub ⁇ bar.
- the plate heat exchanger is arranged on the internal combustion engine or on a housing in such a way that it flows through in the longitudinal direction, then the plates with spacers and spacers filling the full width of the heat exchanger form a broad barrier for the heat exchanger on its narrow side flowing liquid, so that even if the cover of the housing is laterally expanded, an unfavorable flow through the plate heat exchanger is given, the heat exchanger performance is impaired.
- the plate heat exchanger is firmly clamped by the holes leading through the complete heat exchanger, which also lead through the plates forming the guide channels, to the housing or the internal combustion engine, so that thermal stresses can arise, which then increase the service life of the plate heat exchanger affect.
- the object of the invention is to improve a generic plate heat exchanger to the effect that it provides a higher heat exchanger performance, in particular when it is hin trim ⁇ flows through. He should continue to be sealing, but not so rigidly arranged on the housing or the internal combustion engine that stresses arise. Finally, he should also be cheaper to manufacture.
- the object of the invention is achieved in that the plates are rejuvenated in the direction of the collecting channels in their dimensions. Are formed and that in addition to the collecting channels réelle ⁇ half of the plates at least one clamping screw is provided. As a result of this configuration, it is achieved that the plate regions surrounding the collecting channels are designed substantially narrower with spacers and the spacers, so that a good flow through in the longitudinal direction of the heat exchanger is possible. Both the rejuvenation of the plates contributes to the minimum dimension required for the collecting ducts and the arrangement of one or more screws outside the narrow side of the plates, which counteract only a small flow resistance of the liquid flowing through the plate heat exchanger.
- the plate heat exchanger outside the sealed ends of the collecting ducts, ie on the opposite end of the connection to the fluid channels side each a yoke plate, which is fastened by means of two screws on the housing.
- the plate heat exchanger is pressed sufficiently firmly against the housing or the internal combustion engine, but there is no forced operation, especially in the region of the sealing surfaces to the fluid channels, which could cause a distortion of the plate heat exchanger.
- the yoke plate can be placed externally both during installation on the plate heat exchanger, but it can also be attached to the plate heat exchanger, in particular soldered. The distance between the screw holes in the yoke plate is so far away from the sealing surfaces between the plate heat exchanger and the housing or the internal combustion engine that no Ver ⁇ adaptation is to be feared.
- the yoke plate may each be provided on the housing facing the ends of the collecting channels a mounting plate and connected to the plate heat exchanger.
- This Befest Trents ⁇ plate serves to seal and the attachment of the heat exchanger to the housing.
- the mounting plates also have lateral Eyelets in which short screws are arranged. Even if the fastening plates are thus screwed to the housing and a certain forced fixing takes place, the plate heat exchanger arranged above and freely movable nevertheless has sufficient possibilities for stretching and deformation.
- the plates as seen in plan view, have substantially parallel outer edges, from which taper edges originate on both sides.
- the angle between the parallel outer walls and the tapering edges is approximately 20 to 30 °, in particular 25 °, and the tapering edges run into a radius between 18 and 28 mm, preferably 23 mm, around the axis of the collecting channels ,
- a sufficient cross section for the collecting channels and also a sufficient compressive strength in the area of the collecting channels is achieved and nevertheless only one column of approximately 46 mm width directed counter to the liquid is produced, so that a sufficient flow cross section is provided laterally on both sides is made available, which only if long screws are provided, is impaired by these relatively thin screws. With short screws in connection with the fastening plates, there is no impairment whatsoever.
- the plate heat exchanger has on the housing-side end of the collecting channels each a sealing plate when using yoke plates and long screws or a respective mounting plate, which can be brought into operative connection with at least one each mounted on the housing sealing ring.
- the sealing plates and the mounting plates are sealingly connected to the plate heat exchanger, preferably with this soldered.
- a sealing surface is provided which permits different expansions between the plate heat exchanger and the housing.
- the openings in the sealing plates adjoining the collecting channels are each smaller than the dimensions of the associated fluid channels in the housing, so that precise alignment of the opening in the sealing plate with the dimensions of the fluid channel is not important.
- the opening in the sealing plate is sufficiently large in order to ensure good flow through the plate heat exchanger.
- the dimensions of the fluid channel are therefore oversized for the amount of fluid passing through.
- the nikzy ⁇ lindrisch shaped fluid channel has a diameter of 28 mm when a circular cylindrical opening in the sealing plate or a nik ⁇ cylindrical cross section of the collecting channels have a diameter of 20 mm.
- a bridge is provided outside the 29los ⁇ senen ends of the collecting channels, which is secured by screws to the housing.
- the bridge is a one-piece fastening part, which rests preferably on the upper plate of Plat ⁇ tenkorleyers and can be particularly easily aligned, for example by appropriate design of the bridge with centering to the plate heat exchanger.
- this bridge is attached to the housing with four screws, but it may optionally be sufficient to provide only two diagonally opposite screws on the collecting channels.
- the attachment of the plate heat exchanger with above the upper flap arranged yoke plates or the bridge also has the advantage that correspondingly long screws are used, which also have a corresponding large elongation.
- a spring element is provided outside the closed ends of the collecting ducts, which is supported on a lid covering the plate heat exchanger and presses the plate heat exchanger against the housing.
- This spring element can be provided centrally in the middle of the plate heat exchanger between the two collection channels.
- two spring elements are provided which are each arranged in the region of the collecting channels between the uppermost plate of the plate heat exchanger and the lid.
- the one or more spring elements are preferably fixed to the plate heat exchanger or the cover by a suitable device, so that during assembly a defi ⁇ ned position is ensured.
- the length of the spring elements is dimensioned such that in the unloaded state, the fastening screws of the cover can be inserted straight into the corresponding threaded holes in the housing and exert at full Ewear ⁇ hen of these screws in the threaded holes, the spring elements such a pressure that the plate heat exchanger against • the housing is pressed.
- the screws, which are necessary in the attachment with yoke plates or bridge can basically be omitted when using the spring element PHg, but it is vorgese ⁇ with these screws centering to attach to the housing, the centering cooperate laterally with the sealing plates and ensure a defined mounting position of Platten ⁇ heat exchanger.
- a central fastening element which engages in the fluid channel can be used in each collecting channel.
- This fastening element is inserted through the collecting channel from the side facing away from the housing, wherein then of course at this point - ie in the uppermost plate - an opening is provided which is closed after installation with a sealing plug.
- the fastener may be formed as a hollow screw, which on a support flange of the bottom plate rests. Alternatively, the screw may extend through the entire collection channel and be supported on the outside of the top plate. In this embodiment, the otherwise required lid can be integrated into the hollow screw.
- guide devices for example in the form of catch plates, are attached to the plate heat exchanger, which are aligned with the flow channel from which the cooling liquid is supplied.
- These guide devices are designed so that they cause a particularly intensive and efficient flow through the plate heat exchanger with the liquid.
- the guide devices may be formed straight or laterally biased on the lid, so that the liquid supplied is inevitably passed through the plate heat exchanger.
- the length of the guide devices is optimized depending on the design.
- FIG. 2 shows a partial section through a housing with cover of a combustion engine and side view of the plate heat exchanger
- FIG. 3 shows a section through the lid and the housing with partial section through the plate heat exchanger according to the line A-
- FIG. 4 is a partial plan view of the lid with a dashed darge plate heat exchanger
- Fig. 5 is a partial plan view of the lid as shown in FIG. 4, wherein lateral guide devices are ange ⁇ introduced to the plate heat exchanger and
- FIG. 6 shows a section through the cover as in FIG. 3 with an alternative fastening
- 1 generally designates a plate heat exchanger which has a larger number of guide channels designated by 2, which are composed of plates 3a and 3b.
- the guide channels 2 are connected to each other at the ends of the plates 3a and 3b by means of collecting channels 4a and 4b, so that the guide channels are shown connected in parallel to each other in terms of flow.
- spacers 5 are inserted within the guide channels and spacers 6 are provided between the plates 3 a and 3 b outside the guide channels.
- the plates 3a and 3b, the spacers 5 and the spacers 6 are connected to each other soldered, so that results in a compact plate heat exchanger.
- the plates 3a and 3b have on the surfaces of the plates distributed nubs 7, which serve to increase the stability and the improvement of the heat transfer between the plate heat exchanger 1 flowing around the liquid and the plate heat exchanger 1 Weg ⁇ flowing fluid.
- a sealing plate 9 is soldered to the plate 3a in the region of the collecting channels 4a and 4b, a yoke plate 10 being soldered to the opposite side in the region of the collecting channels 4a and 4b.
- the yoke plate 10 has lateral eyelets which laterally project beyond the collecting channels 4a and 4b. Screws 11 are guided through the eyelets, which are screwed into a housing, not shown, of an internal combustion engine (not shown).
- a fluid channel 13 is formed in each case between the threaded holes in the housing 12 of the screws 11 and is connected to a fluid circuit, not shown, of the internal combustion engine.
- a fluid circuit not shown, of the internal combustion engine.
- O-rings 14a and 14b are used around the fluid channels 13 around 12 grooves. These O-rings 14a and 14b are in operative connection with the sealing plates 9, so that in conjunction with the bias of the screws 11, a tight connection of the collecting channels 4a and 4b to the fluid channels 13 results.
- the cross sections of the fluid channels 13 are larger than the cross sections of the collecting channels 4a and 4b or of the openings in the sealing plates 9, so that assembly tolerances between the plate heat exchanger 1 and the housing 12 or different Deh ⁇ voltages can be compensated to each other.
- flow channels 15 are incorporated in the housing 12, through which a liquid is supplied and removed, which flows around the plate heat exchanger 1 on its outer surfaces.
- Narrow spacers within the guide channels and narrow spacers outside the guide result from the tapered edges denoted by 16, which are drawn together with respect to the outer edges 17 of the plates 3a and 3b to a small radius of the plates in the region of the collecting channels 4a and 4b Channels, so that only a relatively thin column of fluid from the flow channels 15 opposes and a favorable flow along the plate heat exchanger 1 is given.
- the screws 11 impede the flow only slightly, since there are passages between the screws and the spacers 6 (see FIG. 3, left side).
- the plate heat exchanger is surrounded by a cover 18, which is sealingly connected to the housing 12.
- Fig. 5 shows the same section as Fig. 4, here in addition to the plate heat exchanger 1 to the outer edges 17 side and / or upper guide devices 20 are mounted, which are aligned with the feeding flow channel 15 in.
- the guide devices 21 can - as shown - be formed straight or also create the side walls or the roof wall of the lid 18 under tension.
- FIG. 6 shows an alternative attachment method, wherein the plate heat exchanger 1 is pressed against the housing 12 by a spring element 19, which is arranged between the plate heat exchanger 1 and the upper part of the cover 18.
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102004035448A DE102004035448A1 (de) | 2004-07-22 | 2004-07-22 | Platten-Wärmetauscher |
PCT/EP2005/007509 WO2006010463A1 (de) | 2004-07-22 | 2005-07-12 | Platten-wärmetauscher |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1769207A1 true EP1769207A1 (de) | 2007-04-04 |
EP1769207B1 EP1769207B1 (de) | 2009-04-29 |
Family
ID=35124693
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP05770113A Active EP1769207B1 (de) | 2004-07-22 | 2005-07-12 | Platten-wärmetauscher |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP1769207B1 (de) |
AT (1) | ATE430296T1 (de) |
DE (2) | DE102004035448A1 (de) |
WO (1) | WO2006010463A1 (de) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101691973B (zh) * | 2009-10-20 | 2011-04-13 | 江苏宝得换热设备有限公司 | 一种板式换热器 |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10359806A1 (de) | 2003-12-19 | 2005-07-14 | Modine Manufacturing Co., Racine | Wärmeübertrager mit flachen Rohren und flaches Wärmeübertragerrohr |
DE102005053924B4 (de) * | 2005-11-11 | 2016-03-31 | Modine Manufacturing Co. | Ladeluftkühler in Plattenbauweise |
US8424592B2 (en) | 2007-01-23 | 2013-04-23 | Modine Manufacturing Company | Heat exchanger having convoluted fin end and method of assembling the same |
SE532084C2 (sv) | 2007-05-10 | 2009-10-20 | Alfa Laval Corp Ab | Plattvärmeväxlare |
DE102013014434A1 (de) * | 2013-08-30 | 2015-03-05 | Modine Manufacturing Company | Gelöteter Wärmetauscher |
DK2886994T3 (en) | 2013-12-20 | 2016-10-03 | Alfa Laval Corp Ab | PLATE HEAT EXCHANGERS WITH ASSEMBLY FLANGES |
DE102016100305A1 (de) | 2016-01-11 | 2017-07-13 | Hanon Systems | Anordnung zur Ladeluftkühlung |
FR3053453B1 (fr) * | 2016-06-29 | 2019-07-05 | Liebherr-Aerospace Toulouse Sas | Dispositif d'echange thermique comprenant au moins un dispositif raidisseur, systeme de conditionnement d'air et vehicule |
DE102017000183A1 (de) * | 2017-01-12 | 2018-07-12 | Modine Manufacturing Company | Führungs-/Lenkungsvorrichtung für Wärmeübertrager durchströmende Fluidströme |
DE112019001128T5 (de) * | 2018-03-07 | 2020-12-24 | Dana Canada Corporation | Wärmetauscher mit integrierten elektrischen heizelementen und mit mehreren fluidströmungswegen |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
IT1204157B (it) * | 1986-02-07 | 1989-03-01 | Fonderie E Officine San Giorgi | Scambiatore di calore particolarmente adatto ad essere impiegato come recuperatore di calore da gas umidi |
SE462763B (sv) * | 1989-04-28 | 1990-08-27 | Torell Ab | Plattvaermevaexlare/kylare samt saett att tillverka denna |
DE4403144C3 (de) * | 1994-02-02 | 2002-05-29 | Laengerer & Reich Gmbh & Co | Plattenwärmeaustauscher |
WO2002027257A1 (en) * | 2000-09-28 | 2002-04-04 | Dantherm Hms A/S | A heat exchanger comprising plate elements with spiral ducts |
US20030145979A1 (en) * | 2002-02-05 | 2003-08-07 | Beddome David Wilson | Heat exchanger having variable thickness tie rods and method of fabrication thereof |
SE522500C2 (sv) * | 2002-09-17 | 2004-02-10 | Valeo Engine Cooling Ab | Anordning vid en plattvärmeväxlare |
-
2004
- 2004-07-22 DE DE102004035448A patent/DE102004035448A1/de not_active Withdrawn
-
2005
- 2005-07-12 EP EP05770113A patent/EP1769207B1/de active Active
- 2005-07-12 AT AT05770113T patent/ATE430296T1/de active
- 2005-07-12 DE DE502005007198T patent/DE502005007198D1/de active Active
- 2005-07-12 WO PCT/EP2005/007509 patent/WO2006010463A1/de active Application Filing
Non-Patent Citations (1)
Title |
---|
See references of WO2006010463A1 * |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101691973B (zh) * | 2009-10-20 | 2011-04-13 | 江苏宝得换热设备有限公司 | 一种板式换热器 |
Also Published As
Publication number | Publication date |
---|---|
DE502005007198D1 (de) | 2009-06-10 |
DE102004035448A1 (de) | 2006-02-16 |
WO2006010463A1 (de) | 2006-02-02 |
EP1769207B1 (de) | 2009-04-29 |
ATE430296T1 (de) | 2009-05-15 |
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