US20180328670A1 - Staggered Core Cooler for a Vehicle - Google Patents
Staggered Core Cooler for a Vehicle Download PDFInfo
- Publication number
- US20180328670A1 US20180328670A1 US15/979,101 US201815979101A US2018328670A1 US 20180328670 A1 US20180328670 A1 US 20180328670A1 US 201815979101 A US201815979101 A US 201815979101A US 2018328670 A1 US2018328670 A1 US 2018328670A1
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- Prior art keywords
- tank
- cooler
- core
- fluid
- cooling
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Classifications
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- 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
- F28D1/04—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 tubular conduits
- F28D1/0408—Multi-circuit heat exchangers, e.g. integrating different heat exchange sections in the same unit or heat exchangers for more than two fluids
- F28D1/0426—Multi-circuit heat exchangers, e.g. integrating different heat exchange sections in the same unit or heat exchangers for more than two fluids with units having particular arrangement relative to the large body of fluid, e.g. with interleaved units or with adjacent heat exchange units in common air flow or with units extending at an angle to each other or with units arranged around a central element
- F28D1/0443—Combination of units extending one beside or one above the other
-
- 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
- F28D1/04—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 tubular conduits
- F28D1/0408—Multi-circuit heat exchangers, e.g. integrating different heat exchange sections in the same unit or heat exchangers for more than two fluids
- F28D1/0426—Multi-circuit heat exchangers, e.g. integrating different heat exchange sections in the same unit or heat exchangers for more than two fluids with units having particular arrangement relative to the large body of fluid, e.g. with interleaved units or with adjacent heat exchange units in common air flow or with units extending at an angle to each other or with units arranged around a central element
- F28D1/0435—Combination of units extending one behind the other
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01D—HARVESTING; MOWING
- A01D41/00—Combines, i.e. harvesters or mowers combined with threshing devices
- A01D41/12—Details of combines
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01P—COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
- F01P3/00—Liquid cooling
- F01P3/18—Arrangements or mounting of liquid-to-air heat-exchangers
-
- 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
- F28D1/04—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 tubular conduits
- F28D1/047—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 tubular conduits the conduits being bent, e.g. in a serpentine or zig-zag
-
- 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
- F28D1/04—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 tubular conduits
- F28D1/053—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 tubular conduits the conduits being straight
- F28D1/05308—Assemblies of conduits connected side by side or with individual headers, e.g. section type radiators
-
- 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
- F28D1/04—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 tubular conduits
- F28D1/053—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 tubular conduits the conduits being straight
- F28D1/0535—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 tubular conduits the conduits being straight the conduits having a non-circular cross-section
- F28D1/05366—Assemblies of conduits connected to common headers, e.g. core type radiators
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01P—COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
- F01P3/00—Liquid cooling
- F01P3/18—Arrangements or mounting of liquid-to-air heat-exchangers
- F01P2003/182—Arrangements or mounting of liquid-to-air heat-exchangers with multiple heat-exchangers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01P—COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
- F01P3/00—Liquid cooling
- F01P3/18—Arrangements or mounting of liquid-to-air heat-exchangers
- F01P2003/185—Arrangements or mounting of liquid-to-air heat-exchangers arranged in parallel
-
- 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
- F28D2001/0253—Particular components
- F28D2001/026—Cores
- F28D2001/0266—Particular core assemblies, e.g. having different orientations or having different geometric features
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- 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
- F28D2021/004—Other heat exchangers for particular applications; Heat exchange systems not otherwise provided for for engine or machine cooling systems
-
- 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
Definitions
- the present invention relates to vehicles, and, more specifically, to work vehicles including heat exchangers.
- liquid-to-air coolers that direct relatively cool air across surfaces heated by the relatively hot liquid in order to remove the heat from the liquid, which is then returned to the source component.
- Many such coolers have multiple cores that are fluidly separated from one another in order to keep the liquids being cooled separated from one another and avoid intermixing of the different types of fluids.
- the cores of the cooler can be separated, for example, by walls within the cooler which fluidly separate each individual core.
- Each individual core has an inlet which is connected to a component so as to receive fluid from the component, an outlet to return cooled fluid to the component, and one or more fluid passages between the inlet and outlet that the fluid travels through in order to remove heat from the liquid.
- the inlet can be formed in a top tank of the cooler and the outlet can be formed in a bottom tank of the cooler, so that fluid flows through the top tank toward the bottom tank.
- a fan directed toward the heated material then flows relatively cool air across the heated material to remove heat from the material, allowing the material to remove more heat from liquid flowing through the cooler.
- coolers known in the art has to do with the arrangement of the cores within the cooler. Specifically, the location of the inlet and/or outlet ports of the cores can be in a region of the cooler that is difficult to access once the cooler is installed in the vehicle. Many of the ports are positioned at the front of the cooler, which may not be accessible and makes it difficult to, for example, replace a hose or fitting.
- the present invention provides a core cooler with successively arranged cooling cores having second tanks which are staggered.
- the invention in one form is directed to a core cooler for a cooling arrangement of a vehicle, in particular for a work vehicle, including a plurality of cooling cores successively arranged from a first end of the core cooler to a second end of the core cooler, each of the cooling cores being fluidly isolated from the other cooling cores and including a first tank each having a respective first fluid port, a second tank each having a respective second fluid port, and at least one fluid passage between the first tank and the second tank and defining a heat transfer surface, the second fluid ports of the second tanks extending toward and being associated with a common edge of the core cooler.
- the core cooler is characterized in that each second tank of the respective cooling cores is staggered relative to an adjacent second tank.
- An advantage of the present invention is that the inlets and/or outlets can be placed on the side(s) of the core cooler, rather than the front, to be more accessible.
- Another advantage is that the staggered arrangement of the cooling cores provides adequate cooling performance.
- FIG. 1 is a side view of an embodiment of a work vehicle in the form of a combine harvester formed according to the present invention
- FIG. 2 is a sectional view of a core cooler formed according to the present invention.
- FIG. 3 is a sectional view of the core cooler shown in FIG. 2 ;
- FIG. 4 is a perspective view of the core cooler shown in FIGS. 2-3 .
- ground refers to that part of the crop material which is threshed and separated from the discardable part of the crop material, which is referred to as non-grain crop material, MOG or straw. Incompletely threshed crop material is referred to as “tailings”.
- forward refers to the direction of forward operative travel of the harvester, but again, they should not be construed as limiting.
- a work vehicle in the form of a combine harvester 10 , which generally includes a chassis 12 , ground engaging wheels 14 and 16 , a header 18 , a feeder housing 20 , an operator cab 22 , a threshing and separating system 24 , a cleaning system 26 , a grain tank 28 , and an unloading conveyance 30 .
- Unloading conveyor 30 is illustrated as an unloading auger, but can also be configured as a belt conveyor, chain elevator, etc.
- the work vehicle 10 is assumed to be a combine harvester, but could be a different type of work vehicle, such as a tractor, windrower, backhoe, dozer, excavator, feller-buncher, etc.
- Front wheels 14 are larger flotation type wheels, and rear wheels 16 are smaller steerable wheels. Motive force is selectively applied to front wheels 14 through a power plant in the form of a diesel engine 32 and a transmission (not shown).
- combine 10 is shown as including wheels, is also to be understood that combine 10 may include tracks, such as full tracks or half tracks.
- Header 18 is mounted to the front of combine 10 and includes a cutter bar 34 for severing crops from a field during forward motion of combine 10 .
- a rotatable reel 36 feeds the crop into header 18
- a double auger 38 feeds the severed crop laterally inwardly from each side toward feeder housing 20 .
- Feeder housing 20 conveys the cut crop to threshing and separating system 24 , and is selectively vertically movable using appropriate actuators, such as hydraulic cylinders (not shown).
- Threshing and separating system 24 is of the axial-flow type, and generally includes a rotor 40 at least partially enclosed by and rotatable within a corresponding perforated concave 42 .
- the cut crops are threshed and separated by the rotation of rotor 40 within concave 42 , and larger elements, such as stalks, leaves and the like are discharged from the rear of combine 10 .
- Smaller elements of crop material including grain and non-grain crop material, including particles lighter than grain, such as chaff, dust and straw, are discharged through perforations of concave 42 .
- Cleaning system 26 may include an optional pre-cleaning sieve 46 , an upper sieve 48 (also known as a chaffer sieve), a lower sieve 50 (also known as a cleaning sieve), and a cleaning fan 52 .
- Grain on sieves 46 , 48 and 50 is subjected to a cleaning action by fan 52 which provides an airflow through the sieves to remove chaff and other impurities such as dust from the grain by making this material airborne for discharge from straw hood 54 of combine 10 .
- Grain pan 44 and pre-cleaning sieve 46 oscillate in a fore-to-aft manner to transport the grain and finer non-grain crop material to the upper surface of upper sieve 48 .
- Upper sieve 48 and lower sieve 50 are vertically arranged relative to each other, and likewise oscillate in a fore-to-aft manner to spread the grain across sieves 48 , 50 , while permitting the passage of cleaned grain by gravity through the openings of sieves 48 , 50 .
- Clean grain falls to a clean grain auger 56 positioned crosswise below and in front of lower sieve 50 .
- Clean grain auger 56 receives clean grain from each sieve 48 , 50 and from bottom pan 58 of cleaning system 26 .
- Clean grain auger 56 conveys the clean grain laterally to a generally vertically arranged grain elevator 60 for transport to grain tank 28 .
- Tailings from cleaning system 26 fall to a tailings auger trough 62 .
- the tailings are transported via tailings auger 64 and return auger 66 to the upstream end of cleaning system 26 for repeated cleaning action.
- Cross augers 68 at the bottom of grain tank 28 convey the clean grain within grain tank 28 to unloading auger 30 for discharge from combine 10 .
- the combine harvester 10 includes a core cooler 80 for a cooling arrangement which is a liquid-to-air heat exchanger including a plurality of cores 90 A, 90 B, 90 C successively arranged from a first end 82 of the cooler 80 to a second end 84 of the cooler 80 .
- the cores 90 A, 90 B, 90 C are successively arranged in a direction, indicated by arrow D, from the first end 82 to the second end 84 along a width W of the core cooler 80 .
- the cores 90 A, 90 B, 90 C can alternatively be successively arranged along a height H or thickness T of the core cooler 80 without deviating from the present invention.
- the cooler 80 can also have a heated surface 86 , which may be referred to as a “heat transfer surface,” which is heated by fluid traveling through the cores 90 A, 90 B, 90 C traveling through the cooler 80 , which is described further herein.
- cooler 80 may only have two cooler cores or may have more than three cooler cores, such as four or more, and therefore the number of cooler cores may be varied depending on the number of components to be connected and the cooling requirements of the cooler 80 .
- the heated surface 86 can be arranged so that a cooling air flow produced by a cooling fan 110 flows across the heated surface 86 to remove heat from the heated surface 86 and, therefore, fluid flowing through the cooler 80 .
- the cooling fan 110 can be configured and arranged to either push or pull cooling air across the heated surface 86 to produce the cooling air flow.
- each cooler core 90 A, 90 B, 90 C includes a first tank 92 A, 92 B, 92 C with a first fluid port 94 A, 94 B, 94 C, respectively, a second tank 96 A, 96 B, 96 C with a second fluid port 98 A, 98 B, 98 C, respectively, and one or more fluid passages 100 A, 100 B, 100 C between the first tank 92 A, 92 B, 92 C and the second tank 96 A, 96 B, 96 C so as to fluidly communicate the first fluid port 94 A, 94 B, 94 C and second fluid port 98 A, 98 B, 98 C.
- the first tanks 92 A, 92 B, 92 C and second tanks 96 A, 96 B, 96 C are, essentially, open areas at the top and bottom of each cooler core 90 A, 90 B, 90 C.
- Each cooler core 90 A, 90 B, 90 C is fluidly separated from the other cooler cores 90 A, 90 B, 90 C so that different fluids flowing through the cooler cores 90 A, 90 B, 90 C from different components do not combine and intermix within the cooler 80 . For instance, it would be undesirable to have hydraulic oil from one component intermixing with transmission fluid from another component, as this would adversely affect the properties and function of both fluids.
- the cooler cores 90 A, 90 B, 90 C can be fluidly separated by, for example, each cooler core 90 A, 90 B, 90 C being its own closed fluid flow system and the separate cores 90 A, 90 B, 90 C, in conjunction, forming the cooler 80 .
- the cooler cores 90 A, 90 B, 90 C can each be a defined space within the interior volume of the cooler 80 partitioned from each other by walls in the cooler 80 .
- Other constructions can also be used, so long as each cooler core 90 A, 90 B, 90 C is fluidly separate from the other cooler cores 90 A, 90 B, 90 C of the cooler 80 .
- the fluid ports 94 A, 94 B, 94 C of the first tanks 92 A, 92 B, 92 C can be fluid inlets which receive heated fluid from a component to flow through the fluid passages 100 A, 100 B, 100 C, cooling off in the process, before flowing out of the fluid ports 98 A, 98 B, 98 C, which would be outlets, of the second tanks 96 A, 96 B, 96 C to flow back to the respective component.
- the fluid ports 98 A, 98 B, 98 C of the second tanks 96 A, 96 B, 98 C can be fluid inlets while the fluid ports 94 A, 94 B, 94 C of the first tanks 92 A, 92 B, 92 C are fluid outlets.
- the fluid passages 100 A, 100 B, 100 C of the cores 90 A, 90 B, 90 C can all generally extend parallel to one another.
- the second tanks 96 A, 96 B, 96 C of the cooler cores 90 A, 90 B, 90 C are each staggered relative to an adjacent second tank 96 A, 96 B, 96 C.
- the second tanks 96 A, 96 B, 96 C can be “staggered” relative to an adjacent second tank 96 A, 96 B, 96 C in the sense that each successive second tank 96 A, 96 B, 96 C has a portion which lies below an adjacent second tank, which allows the fluid ports 98 A, 98 B, 98 C to all extend from a lower side of the cooler 80 .
- the second tanks 96 A, 96 B, 96 C are “staggered” relative to an adjacent second tank in that adjacent second tanks, such as second tanks 96 A and 96 B, only partially overlap in at least two dimensions within the core cooler 80 so the second tanks 96 A, 96 B, 96 C each have at least two dimensions which are different than the respective dimensions of an adjacent second tank 96 A, 96 B, 96 C. As illustrated in FIG.
- the second tank 96 A is staggered relative to the second tank 96 B so the second tank 96 A is stacked on top of the second tank 96 B and a tank width TWA of the second tank 96 A and a tank width TWB of the second tank 96 B are unequal, with the tank width TWB being greater than TWA.
- the second tank 96 B is staggered relative to the second tank 96 C so the second tank 96 B is stacked on top of the second tank 96 C and the tank width TWB of the second tank 96 B and a tank width TWC of the second tank 96 C are unequal, with the tank width TWC being greater than TWB and TWA.
- the number of fluid passages 100 A, 100 B, 100 C can also be different, with each cooler core 90 A, 90 B, 90 C having a number of fluid passages 100 A, 100 B, 100 C directly correlating to the tank width TWA, TWB, TWC of the respective second tank 96 A, 96 B, 96 C, i.e., the cores with wider second tanks have more fluid passages.
- the number of fluid passages 100 A, 100 B, 100 C in each cooler core 90 A, 90 B, 90 C can be kept the same, despite the different tank widths TWA, TWB, TWC, by making the widths of the fluid passages 100 A, 100 B, 100 C unequal.
- each cooler core 90 A, 90 B, 90 C defines a core height CHA, CHB, CHC, with the core heights CHA, CHB, CHC being unequal and increasing in the direction D from the first end 82 toward the second end 84 .
- This staggering of the cooler cores 90 A, 90 B, 90 C can extend all the way to the second end 84 of the cooler 80 , with each cooler core being staggered relative to one or more adjacent core(s).
- the first tanks 92 A, 92 B, 92 C of the cooler cores 90 A, 90 B, 90 C can be generally in line with one another as shown. It should also be appreciated that in some embodiments, the first tanks 92 A, 92 B, 92 C may also be staggered relative to one another.
- second tanks 96 A, 96 B, 96 C of the cooler cores 90 A, 90 B, 90 C are stacked on top of each other so that adjacent second tanks 96 A, 96 B, 96 C abut against each other, the second tanks 96 A, 96 B, 96 C do not necessarily need to contact one another to be staggered and therefore may be spaced apart, if desired.
- the fluid ports 94 A, 94 B, 94 C of the first tanks 92 A, 92 B, 92 C all extend in a first fluid flow direction FD 1 , shown as extending into and out of the page. In this sense, the fluid ports 94 A, 94 B, 94 C all extend in parallel to one another.
- the fluid ports 98 A, 98 B, 98 C of the second tanks 96 A, 96 B, 96 C all extend in parallel to one another in a second fluid flow direction FD 2 which is rotated 90° from the first fluid flow direction FD 1 .
- the respective fluid ports 98 A, 98 B, 98 C of the second tanks 96 A, 96 B, 96 C extend toward and are associated with a common edge 99 of the core cooler 80 so the fluid ports 98 A, 98 B, 98 C can all extend out of a relatively easily accessed portion of the core cooler 80 , shown herein as the common edge 99 .
- the fluid ports 98 A, 98 B, 98 C extend toward and are associated with the common edge 99 in the sense that fluid flowing into and/or out of the fluid ports 98 A, 98 B, 98 C can flow past the common edge 99 , either during entry or exit from the respective cooling core 90 A, 90 B, 90 C.
- fluid traveling in one of the fluid flow directions FD 1 , FD 2 can flow into the cooling cores 90 A, 90 B, 90 C, flow through the cooling cores 90 A, 90 B, 90 C, and flow out of the cooling cores 90 A, 90 B, 90 C traveling in the other fluid flow direction FD 2 , FD 1 which is rotated 90° relative to the entry fluid flow direction.
- Such a fluid flow allows placement of the fluid ports 94 A, 94 B, 94 C and 98 A, 98 B, 98 C on perpendicular surfaces of the cooler 80 for easier accessibility; this is in contrast to known coolers, which have the fluid ports on the same or opposite surface(s) of the cooler.
- the arrangement of the cooler 80 described herein allows placement of the ports 98 A, 98 B, 98 C on a side, rather than front, of the cooler 80 with little or no loss of space within the cooler 80 and with a lack of or negligible detrimental effect on the cooling performance of the cooler 80 during operation.
- FIG. 4 a perspective view of the cooler 80 is shown to further illustrate the previously described first fluid flow direction FD 1 of the fluid ports 94 A, 94 B, 94 C of the first tanks 92 A, 92 B, 92 C and the second fluid flow direction FD 2 of the fluid ports 98 A, 98 B, 98 C of the second tanks 96 A, 96 B, 96 C.
- the first fluid flow direction FD 1 of the fluid ports 94 A, 94 B, 94 C of the first tanks 92 A, 92 B, 92 C can extend through a plane defined by the heat transfer surface 86 , which is shown as a front surface of the cooler 80
- the second fluid flow direction FD 2 of the fluid ports 98 A, 98 B, 98 C of the second tanks 96 A, 96 B, 96 C can extend through a plane defined by a side surface 120 of the cooler 80 .
- a “front surface” of a cooler when the cooler is formed in the shape of a polygonal prism, will generally be the largest or second largest surface, in terms of surface area, bound by the width W and height H of the cooler 80 .
- a “side surface” of a cooler when the cooler is formed in the shape of a polygonal prism, will generally be a surface connecting a front surface and its opposite back surface, and may be bound by either the thickness T and the width W or the thickness T and the height H.
- the cooler can be formed to have the second tanks 96 A, 96 B, 96 C staggered relative to each other with the first tanks 92 A, 92 B, 92 C also staggered relative to each other, which can allow the fluid ports 98 A, 98 B, 98 C of the second tanks 96 A, 96 B, 96 C to extend from the side surface 120 of the cooler 80 while also allowing the fluid ports 94 A, 94 B, 94 C of the first tanks 92 A, 92 B, 92 C to extend from the side surface 120 of the cooler 80 as well, i.e., the respective fluid flow directions FD 1 , FD 2 can extend through a common plane.
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Life Sciences & Earth Sciences (AREA)
- Environmental Sciences (AREA)
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
Description
- The present invention relates to vehicles, and, more specifically, to work vehicles including heat exchangers.
- In work vehicles, such as agricultural vehicles, many of the components generate heat during normal operation. Excessive produced heat can cause damage to the components and surrounding components, as well as undesirably alter performance characteristics of the components. This is a particular issue in hydraulic motors, pumps, and gearboxes, where control of the temperature of the fluid, such as oil, can be important to operation.
- In order to manage heat generated during operation, many vehicles are equipped with liquid-to-air coolers that direct relatively cool air across surfaces heated by the relatively hot liquid in order to remove the heat from the liquid, which is then returned to the source component. Many such coolers have multiple cores that are fluidly separated from one another in order to keep the liquids being cooled separated from one another and avoid intermixing of the different types of fluids. The cores of the cooler can be separated, for example, by walls within the cooler which fluidly separate each individual core.
- Each individual core has an inlet which is connected to a component so as to receive fluid from the component, an outlet to return cooled fluid to the component, and one or more fluid passages between the inlet and outlet that the fluid travels through in order to remove heat from the liquid. The inlet can be formed in a top tank of the cooler and the outlet can be formed in a bottom tank of the cooler, so that fluid flows through the top tank toward the bottom tank. In some cores, there may be many fluid passages to increase the amount of material in contact with the hot fluid and, therefore, the amount of heat removed from the fluid. A fan directed toward the heated material then flows relatively cool air across the heated material to remove heat from the material, allowing the material to remove more heat from liquid flowing through the cooler.
- One particular problem with coolers known in the art has to do with the arrangement of the cores within the cooler. Specifically, the location of the inlet and/or outlet ports of the cores can be in a region of the cooler that is difficult to access once the cooler is installed in the vehicle. Many of the ports are positioned at the front of the cooler, which may not be accessible and makes it difficult to, for example, replace a hose or fitting.
- What is needed in the art is a cooler with ports which can be more easily accessed and still offer adequate cooling performance.
- The present invention provides a core cooler with successively arranged cooling cores having second tanks which are staggered.
- The invention in one form is directed to a core cooler for a cooling arrangement of a vehicle, in particular for a work vehicle, including a plurality of cooling cores successively arranged from a first end of the core cooler to a second end of the core cooler, each of the cooling cores being fluidly isolated from the other cooling cores and including a first tank each having a respective first fluid port, a second tank each having a respective second fluid port, and at least one fluid passage between the first tank and the second tank and defining a heat transfer surface, the second fluid ports of the second tanks extending toward and being associated with a common edge of the core cooler. The core cooler is characterized in that each second tank of the respective cooling cores is staggered relative to an adjacent second tank.
- An advantage of the present invention is that the inlets and/or outlets can be placed on the side(s) of the core cooler, rather than the front, to be more accessible.
- Another advantage is that the staggered arrangement of the cooling cores provides adequate cooling performance.
- The above-mentioned and other features and advantages of this invention, and the manner of attaining them, will become more apparent and the invention will be better understood by reference to the following description of embodiments of the invention taken in conjunction with the accompanying drawings, wherein:
-
FIG. 1 is a side view of an embodiment of a work vehicle in the form of a combine harvester formed according to the present invention; -
FIG. 2 is a sectional view of a core cooler formed according to the present invention; -
FIG. 3 is a sectional view of the core cooler shown inFIG. 2 ; and -
FIG. 4 is a perspective view of the core cooler shown inFIGS. 2-3 . - Corresponding reference characters indicate corresponding parts throughout the several views. The exemplifications set out herein illustrate embodiments of the invention, and such exemplifications are not to be construed as limiting the scope of the invention in any manner.
- The terms “grain”, “straw” and “tailings” are used principally throughout this specification for convenience but it is to be understood that these terms are not intended to be limiting. Thus “grain” refers to that part of the crop material which is threshed and separated from the discardable part of the crop material, which is referred to as non-grain crop material, MOG or straw. Incompletely threshed crop material is referred to as “tailings”. Also the terms “forward”, “rearward”, “left” and “right”, when used in connection with the vehicle and/or components thereof are usually determined with reference to the direction of forward operative travel of the harvester, but again, they should not be construed as limiting. The terms “longitudinal” and “transverse” are determined with reference to the fore-aft direction of the vehicle and are equally not to be construed as limiting.
- Referring now to the drawings, and more particularly to
FIG. 1 , there is shown a work vehicle in the form of acombine harvester 10, which generally includes achassis 12, groundengaging wheels header 18, afeeder housing 20, an operator cab 22, a threshing andseparating system 24, acleaning system 26, agrain tank 28, and anunloading conveyance 30. Unloadingconveyor 30 is illustrated as an unloading auger, but can also be configured as a belt conveyor, chain elevator, etc. In the illustrated embodiment, thework vehicle 10 is assumed to be a combine harvester, but could be a different type of work vehicle, such as a tractor, windrower, backhoe, dozer, excavator, feller-buncher, etc. -
Front wheels 14 are larger flotation type wheels, andrear wheels 16 are smaller steerable wheels. Motive force is selectively applied tofront wheels 14 through a power plant in the form of adiesel engine 32 and a transmission (not shown). Althoughcombine 10 is shown as including wheels, is also to be understood that combine 10 may include tracks, such as full tracks or half tracks. -
Header 18 is mounted to the front ofcombine 10 and includes acutter bar 34 for severing crops from a field during forward motion ofcombine 10. Arotatable reel 36 feeds the crop intoheader 18, and adouble auger 38 feeds the severed crop laterally inwardly from each side towardfeeder housing 20.Feeder housing 20 conveys the cut crop to threshing and separatingsystem 24, and is selectively vertically movable using appropriate actuators, such as hydraulic cylinders (not shown). - Threshing and separating
system 24 is of the axial-flow type, and generally includes arotor 40 at least partially enclosed by and rotatable within a corresponding perforated concave 42. The cut crops are threshed and separated by the rotation ofrotor 40 within concave 42, and larger elements, such as stalks, leaves and the like are discharged from the rear ofcombine 10. Smaller elements of crop material including grain and non-grain crop material, including particles lighter than grain, such as chaff, dust and straw, are discharged through perforations of concave 42. - Grain which has been separated by the threshing and separating
assembly 24 falls onto agrain pan 44 and is conveyed towardcleaning system 26.Cleaning system 26 may include an optional pre-cleaningsieve 46, an upper sieve 48 (also known as a chaffer sieve), a lower sieve 50 (also known as a cleaning sieve), and acleaning fan 52. Grain onsieves fan 52 which provides an airflow through the sieves to remove chaff and other impurities such as dust from the grain by making this material airborne for discharge fromstraw hood 54 of combine 10. Grainpan 44 and pre-cleaningsieve 46 oscillate in a fore-to-aft manner to transport the grain and finer non-grain crop material to the upper surface ofupper sieve 48.Upper sieve 48 andlower sieve 50 are vertically arranged relative to each other, and likewise oscillate in a fore-to-aft manner to spread the grain acrosssieves sieves - Clean grain falls to a
clean grain auger 56 positioned crosswise below and in front oflower sieve 50.Clean grain auger 56 receives clean grain from eachsieve bottom pan 58 ofcleaning system 26.Clean grain auger 56 conveys the clean grain laterally to a generally vertically arrangedgrain elevator 60 for transport tograin tank 28. Tailings fromcleaning system 26 fall to atailings auger trough 62. The tailings are transported viatailings auger 64 and returnauger 66 to the upstream end ofcleaning system 26 for repeated cleaning action.Cross augers 68 at the bottom ofgrain tank 28 convey the clean grain withingrain tank 28 to unloadingauger 30 for discharge fromcombine 10. - According to an aspect of the present invention, and referring now to
FIGS. 2 and 3 , thecombine harvester 10 includes acore cooler 80 for a cooling arrangement which is a liquid-to-air heat exchanger including a plurality ofcores first end 82 of thecooler 80 to asecond end 84 of thecooler 80. As shown herein, thecores first end 82 to thesecond end 84 along a width W of thecore cooler 80. It should be appreciated that thecores core cooler 80 without deviating from the present invention. In addition to thefirst end 82 andsecond end 84, thecooler 80 can also have aheated surface 86, which may be referred to as a “heat transfer surface,” which is heated by fluid traveling through thecores cooler 80, which is described further herein. It should be appreciated that while thecooler 80 is shown with threecooler cores cooler 80 may only have two cooler cores or may have more than three cooler cores, such as four or more, and therefore the number of cooler cores may be varied depending on the number of components to be connected and the cooling requirements of thecooler 80. Theheated surface 86 can be arranged so that a cooling air flow produced by a cooling fan 110 flows across theheated surface 86 to remove heat from theheated surface 86 and, therefore, fluid flowing through the cooler 80. As is known, the cooling fan 110 can be configured and arranged to either push or pull cooling air across theheated surface 86 to produce the cooling air flow. - As can be seen, each
cooler core first tank fluid port second tank fluid port fluid passages first tank second tank fluid port fluid port first tanks second tanks cooler core cooler core cooler cores cooler cores cooler cores cooler core separate cores cooler cores cooler core cooler cores fluid ports first tanks fluid passages fluid ports second tanks fluid ports second tanks fluid ports first tanks fluid passages cores - Referring specifically now to
FIG. 3 , it can be seen that thesecond tanks cooler cores second tank FIGS. 2-4 , thesecond tanks second tank second tank fluid ports second tanks second tanks second tanks second tank FIG. 3 , for example, thesecond tank 96A is staggered relative to thesecond tank 96B so thesecond tank 96A is stacked on top of thesecond tank 96B and a tank width TWA of thesecond tank 96A and a tank width TWB of thesecond tank 96B are unequal, with the tank width TWB being greater than TWA. Similarly, thesecond tank 96B is staggered relative to thesecond tank 96C so thesecond tank 96B is stacked on top of thesecond tank 96C and the tank width TWB of thesecond tank 96B and a tank width TWC of thesecond tank 96C are unequal, with the tank width TWC being greater than TWB and TWA. Since the tank widths TWA, TWB, and TWC are all different, the number offluid passages cooler core fluid passages second tank fluid passages cooler core fluid passages cooler cores FIGS. 2-3 , eachcooler core first end 82 toward thesecond end 84. This staggering of thecooler cores second end 84 of the cooler 80, with each cooler core being staggered relative to one or more adjacent core(s). Referring toFIG. 2 specifically, it can be seen that while thesecond tanks cooler cores first tanks cooler cores first tanks second tanks cooler cores second tanks second tanks - Referring to
FIG. 2 specifically, it can be seen that thefluid ports first tanks fluid ports fluid ports second tanks respective fluid ports second tanks common edge 99 of the core cooler 80 so thefluid ports common edge 99. It should be appreciated that thefluid ports common edge 99 in the sense that fluid flowing into and/or out of thefluid ports common edge 99, either during entry or exit from therespective cooling core cooling cores cooling cores cooling cores fluid ports ports - Referring now to
FIG. 4 , a perspective view of the cooler 80 is shown to further illustrate the previously described first fluid flow direction FD1 of thefluid ports first tanks fluid ports second tanks fluid ports first tanks heat transfer surface 86, which is shown as a front surface of the cooler 80, while the second fluid flow direction FD2 of thefluid ports second tanks side surface 120 of the cooler 80. As used herein, a “front surface” of a cooler, when the cooler is formed in the shape of a polygonal prism, will generally be the largest or second largest surface, in terms of surface area, bound by the width W and height H of the cooler 80. Further, a “side surface” of a cooler, when the cooler is formed in the shape of a polygonal prism, will generally be a surface connecting a front surface and its opposite back surface, and may be bound by either the thickness T and the width W or the thickness T and the height H. From the foregoing, it should therefore be appreciated how exemplary embodiments of the present invention rotating the first fluid flow direction FD1 of thefluid ports first tanks fluid ports second tanks fluid ports front surface 86 and placement of thefluid ports side surface 120 of the cooler 80, i.e., the respective fluid flow directions FD1, FD2 can extend through planes defined by respective perpendicular surfaces. Alternatively, the cooler can be formed to have thesecond tanks first tanks fluid ports second tanks side surface 120 of the cooler 80 while also allowing thefluid ports first tanks side surface 120 of the cooler 80 as well, i.e., the respective fluid flow directions FD1, FD2 can extend through a common plane. - While this invention has been described with respect to at least one embodiment, the present invention can be further modified within the spirit and scope of this disclosure. This application is therefore intended to cover any variations, uses, or adaptations of the invention using its general principles. Further, this application is intended to cover such
Claims (14)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
BE2017/5350A BE1025208B1 (en) | 2017-05-12 | 2017-05-12 | COOLER WITH SHRINKED CORE FOR A VEHICLE |
BE2017/5350 | 2017-05-12 |
Publications (1)
Publication Number | Publication Date |
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US20180328670A1 true US20180328670A1 (en) | 2018-11-15 |
Family
ID=59676917
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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US15/979,101 Abandoned US20180328670A1 (en) | 2017-05-12 | 2018-05-14 | Staggered Core Cooler for a Vehicle |
Country Status (2)
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US (1) | US20180328670A1 (en) |
BE (1) | BE1025208B1 (en) |
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EP0450425A2 (en) * | 1990-03-27 | 1991-10-09 | Klöckner-Humboldt-Deutz Aktiengesellschaft | Arrangement for heat-exchanger |
DE4112811A1 (en) * | 1991-04-19 | 1992-10-22 | Audi Ag | Motor vehicle radiator core - has zone, covered by bumper, with lowest temp. drop between cooling air and cooling medium |
DE19509654A1 (en) * | 1995-03-17 | 1996-09-19 | Kloeckner Humboldt Deutz Ag | Heat exchange unit for IC engine |
DE10328458A1 (en) * | 2003-06-25 | 2005-01-27 | Daimlerchrysler Ag | Motor vehicle radiator has body divided into segments to divide coolant flow, which is connected to outlet so separate, possibly different cooling powers or coolant temperatures can be realized |
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WO2009009928A1 (en) * | 2007-07-18 | 2009-01-22 | Tsinghua University | Condensing and heat transferring method having automatic liquid dividing function and apparatus thereof |
US8739520B2 (en) * | 2004-10-07 | 2014-06-03 | Behr Gmbh & Co. Kg | Air-cooled exhaust gas heat exchanger, in particular exhaust gas cooler for motor vehicles |
Family Cites Families (2)
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DE3344220A1 (en) * | 1983-12-07 | 1985-06-20 | Audi AG, 8070 Ingolstadt | Heat exchanging device, in particular for motor vehicles |
BR102015026378A2 (en) * | 2014-10-21 | 2017-07-11 | Modine Manufacturing Company | COOLING MODULE WITH A TANK OF INTEGRATED COMPENSATION TO HIM |
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2017
- 2017-05-12 BE BE2017/5350A patent/BE1025208B1/en active IP Right Grant
-
2018
- 2018-05-14 US US15/979,101 patent/US20180328670A1/en not_active Abandoned
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EP0450425A2 (en) * | 1990-03-27 | 1991-10-09 | Klöckner-Humboldt-Deutz Aktiengesellschaft | Arrangement for heat-exchanger |
DE4112811A1 (en) * | 1991-04-19 | 1992-10-22 | Audi Ag | Motor vehicle radiator core - has zone, covered by bumper, with lowest temp. drop between cooling air and cooling medium |
DE19509654A1 (en) * | 1995-03-17 | 1996-09-19 | Kloeckner Humboldt Deutz Ag | Heat exchange unit for IC engine |
DE10328458A1 (en) * | 2003-06-25 | 2005-01-27 | Daimlerchrysler Ag | Motor vehicle radiator has body divided into segments to divide coolant flow, which is connected to outlet so separate, possibly different cooling powers or coolant temperatures can be realized |
US8739520B2 (en) * | 2004-10-07 | 2014-06-03 | Behr Gmbh & Co. Kg | Air-cooled exhaust gas heat exchanger, in particular exhaust gas cooler for motor vehicles |
US7451749B2 (en) * | 2004-11-17 | 2008-11-18 | Scania Cv Ab | Cooler device in a vehicle |
WO2009009928A1 (en) * | 2007-07-18 | 2009-01-22 | Tsinghua University | Condensing and heat transferring method having automatic liquid dividing function and apparatus thereof |
Also Published As
Publication number | Publication date |
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BE1025208B1 (en) | 2018-12-12 |
BE1025208A1 (en) | 2018-12-05 |
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