Classifications

• • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
  • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
  • F02B29/00—Engines characterised by provision for charging or scavenging not provided for in groups F02B25/00, F02B27/00 or F02B33/00 - F02B39/00; Details thereof
  • F02B29/04—Cooling of air intake supply
  • F02B29/045—Constructional details of the heat exchangers, e.g. pipes, plates, ribs, insulation, materials, or manufacturing and assembly
  • F02B29/0462—Liquid cooled heat exchangers
• • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
  • F28—HEAT EXCHANGE IN GENERAL
  • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
  • F28F3/00—Plate-like or laminated elements; Assemblies of plate-like or laminated elements
  • F28F3/08—Elements constructed for building-up into stacks, e.g. capable of being taken apart for cleaning
• • 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
  • F28D1/02—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 heat-exchange conduits immersed in the body of fluid
  • F28D1/03—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 heat-exchange conduits immersed in the body of fluid with plate-like or laminated conduits
• • 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
  • F28D9/0006—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 plate-like or laminated conduits being enclosed within a pressure vessel
• • 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
  • F28D9/0031—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 paired plates touching each other
  • F28D9/0043—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 paired plates touching each other the plates having openings therein for circulation of at least one heat-exchange medium from one conduit to another
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B60—VEHICLES IN GENERAL
  • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
  • B60K13/00—Arrangement in connection with combustion air intake or gas exhaust of propulsion units
  • B60K13/02—Arrangement in connection with combustion air intake or gas exhaust of propulsion units concerning intake
• • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
  • F28—HEAT EXCHANGE IN GENERAL
  • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
  • F28F2250/00—Arrangements for modifying the flow of the heat exchange media, e.g. flow guiding means; Particular flow patterns
  • F28F2250/06—Derivation channels, e.g. bypass
• • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
  • F28—HEAT EXCHANGE IN GENERAL
  • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
  • F28F3/00—Plate-like or laminated elements; Assemblies of plate-like or laminated elements
  • F28F3/02—Elements or assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with recesses, with corrugations
  • F28F3/025—Elements or assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with recesses, with corrugations the means being corrugated, plate-like elements
• • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
  • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
  • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
  • Y02T10/00—Road transport of goods or passengers
  • Y02T10/10—Internal combustion engine [ICE] based vehicles
  • Y02T10/12—Improving ICE efficiencies

Definitions

• the specification relates to a heat exchanger having an air bypass blocking tabs, and a heat exchanger assembly having a housing and the heat exchanger described herein.
• Charge air cooler heat exchangers are well known in the art for mounting along the flow path of charge air supplied to a combustion engine.
• This charge air typically comprises ambient air which has been compressed by apparatus such as a supercharger or turbocharger to provide an increased mass flow of air to the engine to permit the engine to combust increased quantities of fuel and thereby operate at an increased level of power and performance.
• apparatus such as a supercharger or turbocharger to provide an increased mass flow of air to the engine to permit the engine to combust increased quantities of fuel and thereby operate at an increased level of power and performance.
• compression of ambient air also elevates the air temperature such that the charge air has a relatively high temperature which, if not reduced, undesirably increases total engine heat load . It is therefore desirable to cool the charge air prior to supply thereof to the engine, and charge air coolers are provided for this purpose.
• the charge air cooler is constructed from a plurality of lightweight heat transfer elements of a heat conductive material, such as copper or aluminum, shaped to provide extended heat transfer surfaces and defining a flow path for the charge air in heat transfer relation with a suitable coolant, such as ambient air or a liquid coolant.
• a suitable coolant such as ambient air or a liquid coolant.
• the charge air cooler may be constructed from a network of finned tubes such that charge air flowing over the fins is associated with a coolant flowing through the tubes resulting in adequate heat transfer for some engine system applications.
• the charge air cooler is constructed from a stacked array of plates and fins which cooperate to define a heat exchanger core having separate flow paths for passage of the charge air and the coolant in close heat transfer relation with each other.
• the charge air cooler is desirably mounted directly into the intake manifold of the engine wherein charge air passing through the intake manifold is reduced in temperature by flow through the charge air cooler immediately prior to ingestion by the engine.
• the current heat exchanger products can allow air bypass past the ends of the fins (the plate lap joints extend beyond the end of the fins, or extend beyond the liquid fluid manifold, leaving unintended air bypass channels), or require additional brazed on components to compensate by blocking off these regions, which adds significant cost and/or may be impossible for certain cooler configurations.
• wide elastomer seals can be provided, such as adhesively bonded or mechanically trapped seals, as part of the ducting installation - to minimize such bypass. But these seal materials are expensive, add assembly complexity, and have service durability limitations.
• Another compensating alternative is to overdesign the heat exchanger, either by over-sizing or adding much higher fin density (pressure drop penalty) so that performance is maintained even with bypass flow, which can have other
• the specification discloses a heat exchanger, containing : a plurality of spaced-apart plate pairs, where each plate pair defines a flow passage for the flow of a first fluid;
• a fluid manifold being fluidly coupled to the spaced-apart plate pairs at a manifold end of the spaced-apart plate pairs;
• a tab extending from a flange end of a first plate of a first plate pair and being in contact with a second tab extending from a flange end of a second plate of a second plate pair for providing a fluid flow blocker.
• the specification discloses a heat exchanger containing
• each plate pair defines a flow passage for the flow of a first fluid
• one or more fins thermally coupled and sandwiched by the spaced-apart plate pairs for flow of a second fluid
• a fluid manifold being fluidly coupled to the spaced-apart plate pairs at a manifold end of the spaced-apart plate pairs;
• a tab extending from a flange end of a first plate of the first plate pair and being in contact with a second plate of a second plate pair for providing a fluid flow blocker.
• the specification discloses a heat exchanger assembly containing
• a housing having a cavity in communication with an opening
• a heat exchanger as described herein, receivable in the cavity of the housing.
• Figure 1 shows an air intake manifold for receiving a heat exchanger in accordance with an embodiment of the specification
• Figure 2 shows a front elevational view of a heat exchanger in accordance with a first embodiment of the specification
• Figure 3 shows a side elevational view of a heat exchanger in accordance with a first embodiment of the specification
• Figure 4 shows a perspective view of an expanded portion of the heat exchanger in accordance with a first embodiment of the specification
• Figure 5 shows a perspective view of an expanded portion of a single plate of a plate pair in accordance with a first embodiment of the specification
• Figure 6 shows a perspective view of an expanded portion of a single plate of a plate pair in accordance with a second embodiment of the specification
• Figure 7 shows a perspective view of an expanded portion of a single plate of a plate pair in accordance with a third embodiment of the specification.
• Figure 8 shows a side elevational view of an expanded portion of a plate pair in accordance with a fourth embodiment of the specification.
• the specification generally relates to heat exchanger (2), such as a charge air cooler for reducing the temperature of air inflow to a combustion engine.
• the heat exchanger (2) is typically placed in an air intake manifold (4), as shown in Figure 1, which has a cavity (6) for placing the heat exchanger (2) through an opening (8) .
• Incoming air enters the manifold (4) through an air intake aperture (10) and passes the heat exchanger (2) before being directed to the combustion engine.
• the heat exchanger (2) used in accordance with the disclosure is not particularly limited.
• the heat exchanger (2) has a plurality of spaced-apart plate pairs (12), where each plate pair defines a flow passage for the flow of a first fluid, such as a coolant.
• a fluid manifold (14) having an inlet (16) and outlet (18) ( Figures 2 and 3) is also provided; where the fluid manifold (14) is connected to the flow passage of each plate pair (12) to allow fluid, such as the coolant, to enter through the inlet (16) pass through the flow passages of the plate pairs (12) and exit through the outlet (18) .
• the position of the fluid manifold (14) and the inlet (16) and outlet (18) are not particularly limited .
• the inlet and outlet can be present on a top plate (20) .
• the inlet (16) and outlet (18) can be present on a side face (22) of the heat exchanger (2) .
• each spaced-apart plate pair (12) is provided with a fin (24).
• the fins (24) can provide for a second fluid flow passage, generally the air entering through the air intake aperture (10); and where the second flow passage is perpendicular to the flow passage defined by the plate pairs (12) to allow for heat exchange.
• the heat exchanger (2) as disclosed herein has a front face (26) such that when the heat exchanger (2) is positioned in the air intake manifold (4), the front face (26) is positioned at the air intake aperture (10) and allows for the second fluid, the air, to pass through the fins (24) and undergo heat exchange before entering the combustion engine.
• each plate of the heat exchanger (2) has a manifold end (28) and an opposing end (30), denoted herein as the flange end (30) .
• the manifold end (28) of the heat exchanger plates have the fluid manifold (14) coupled to the plates, while the flange end (30) have one or more tabs (32) for blocking air bypass.
• the heat exchanger (2) as disclosed herein, are provided with side faces (22). In the embodiment shown in Figure 2, one of the side faces is formed by the fluid manifold (14) while the other side face is formed by the flange ends (30) of the plate pairs (12) along with the ends of the fins (24) ( Figure 4).
• each plate of the heat exchanger (2) is provided with a tab (32) at the flange end.
• the tab (32) in each plate can be formed by creating a cut at the flange end (30) of the plates and folding up the cut section of the flange end (30), to create a face of the tab (34) ( Figures 4 and 5) that is essentially perpendicular to the air flow direction .
• the length of the tabs (32) in accordance with the specification is not particularly limited.
• the length of the tabs (32) in each plate of the heat exchanger (2) can be set such that in the assembled heat exchanger (2), a tab (32) extending from a flange end (30) of a first plate of a first plate pair is in contact with a second tab extending from a second plate of a second (or adjacent) plate pair, in the heat exchanger (2) .
• a tab (32) extending from the flange end (30) of a first plate is in contact with a second plate of an adjacent (or second) plate pair.
• each plate of the heat exchanger (2) is provided with a pair of tabs (32).
• the position of the tabs (32) in each plate of the heat exchanger (2) is not particularly limited .
• the tab (32) in each plate is centrally positioned at the flange end (30) of the heat exchanger. While in other embodiments in accordance with the specification, and as shown in Figures 6-8, the tabs (32) in each plate are positioned at a corner of the flange end (30).
• the tabs (32) When the tabs (32) are positioned near a corner of the flange end (30), in the assembled heat exchanger (2), the tabs (32) can be proximate to the front face (26) or back face (36) (i .e., the face away from the air intake aperture (10) of the manifold (4)), depending upon the design and other requirements.
• the tabs (32) project nearly perpendicularly from the plates of the heat exchanger (2).
• the tabs (32) can be at an angle relative to the plane of the plates of the heat exchanger (2).
• the tabs (32) can be provided with a bent neck (38) that can help with aligning of the tabs (32) in adjacent plate pairs.
• the bent neck (38) can be used for contacting a plate of the adjacent plate pair in the heat exchanger (2).
• the method of maintaining contacts between the tabs (32) or tab (32) and plate in a heat exchanger (2) is not particularly limited in accordance with specification .
• the tabs (32) can be contact with adjacent tabs (32) or plate of a plate pair in the heat exchanger (2) .
• the tabs (32) can be brazed to tabs (32) on a plate in an adjacent plate pair or to a plate in an adjacent plate pair to prevent air bypass.
• the specification discloses a heat exchanger assembly containing the housing (4) and the heat exchanger (2), as described herein .
• the presence of the tabs (32) in the heat exchanger (2) and the heat exchanger assembly can help to reduce the air bypass and improve the efficiency of the heat exchange.

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• Engineering & Computer Science (AREA)
• Mechanical Engineering (AREA)
• Physics & Mathematics (AREA)
• Thermal Sciences (AREA)
• General Engineering & Computer Science (AREA)
• Chemical & Material Sciences (AREA)
• Combustion & Propulsion (AREA)
• Transportation (AREA)
• Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)

Priority Applications (6)

Applications Claiming Priority (1)

Publications (1)

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ID=48534550

Family Applications (1)

Country Status (6)

Cited By (3)

Families Citing this family (3)

Citations (4)

Family Cites Families (4)

• 2011
  • 2011-11-28 WO PCT/CA2011/050739 patent/WO2013078530A1/en active Application Filing
  • 2011-11-28 DE DE112011105879.9T patent/DE112011105879T5/de not_active Withdrawn
  • 2011-11-28 GB GB1409190.4A patent/GB2512761A/en not_active Withdrawn
  • 2011-11-28 IN IN4716CHN2014 patent/IN2014CN04716A/en unknown
  • 2011-11-28 CN CN201180075108.1A patent/CN103958999A/zh active Pending
  • 2011-11-28 CA CA2857079A patent/CA2857079A1/en not_active Abandoned

Patent Citations (4)

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