CN104245383A - Cooling system having anti-recirculation feature - Google Patents
Cooling system having anti-recirculation feature Download PDFInfo
- Publication number
- CN104245383A CN104245383A CN201380006452.4A CN201380006452A CN104245383A CN 104245383 A CN104245383 A CN 104245383A CN 201380006452 A CN201380006452 A CN 201380006452A CN 104245383 A CN104245383 A CN 104245383A
- Authority
- CN
- China
- Prior art keywords
- driving engine
- fan
- air
- exch
- grid
- 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
Classifications
-
- 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
- B60K11/00—Arrangement in connection with cooling of propulsion units
- B60K11/02—Arrangement in connection with cooling of propulsion units with liquid cooling
- B60K11/04—Arrangement or mounting of radiators, radiator shutters, or radiator blinds
-
- 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
- B60K11/00—Arrangement in connection with cooling of propulsion units
- B60K11/08—Air inlets for cooling; Shutters or blinds therefor
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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
- F01P11/00—Component parts, details, or accessories not provided for in, or of interest apart from, groups F01P1/00 - F01P9/00
- F01P11/10—Guiding or ducting cooling-air, to, or from, liquid-to-air heat exchangers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R19/00—Wheel guards; Radiator guards, e.g. grilles; Obstruction removers; Fittings damping bouncing force in collisions
- B60R19/52—Radiator or grille guards ; Radiator grilles
- B60R2019/525—Radiator grilles
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- Transportation (AREA)
- General Engineering & Computer Science (AREA)
- Cooling, Air Intake And Gas Exhaust, And Fuel Tank Arrangements In Propulsion Units (AREA)
- Exhaust-Gas Circulating Devices (AREA)
Abstract
An engine grill is disclosed for use with an engine. The engine grill may have an end portion (46, 48), and a plurality of perforations (42) formed within the end portion in a pattern around a middle of the end portion. The engine grill may also have an anti-recirculation feature (44) situated at a middle of the end portion within the pattern of the plurality of perforations.
Description
Technical field
The present invention relates generally to a kind of cooling system, and more particularly, relates to a kind ofly having the cooling system preventing recycling feature that can strengthen engine cooling.
Background technology
Major part mobile machine is provided with power by explosive motor (such as diesel motor, engine petrol or gaseous fuel-powered engines).The mechanical horsepower that often kind of combustion fuel in these driving engines and the compound of air produce for propel machine exports.In order to ensure the best combustion of fuel/air mixture and protection engine parts from extreme damage, the temperature of driving engine and introducing in driving engine should be tightly controlled in order to the air of burning.
The axial cooling fan that typical explosive motor is arranged by H Exch and adjacent with H Exch (such as, at front or rear) cools.Cooling system conditioner from driving engine circulates through over-heat-exchanger, and axial cooling fan guides fresh air to flow through H Exch, to absorb heat from cooling system conditioner simultaneously.The cooling system conditioner dispelled the heat to air returns through driving engine with Posterior circle and carrys out cooled engine.From H Exch heat absorption after, air is directed to air.
Regrettably, the air of H Exch is directed through by fan and not all is fresh and cooling and can fully absorb a large amount of heat from driving engine.Especially, traditional cooling fan produces the air stream had in periphery than axial centre more high pressure.In some cases, this pressure gradient can cause some higher pressure air at peripheral place after over-heat-exchanger oppositely, and sucked back compared with low-pressure centre through over-heat-exchanger.The air of this recirculation has the temperature of rising, and it can reduce the efficiency of H Exch.
In order to the U.S. the 5th, 180 of the people such as Kouzel is authorized in a kind of trial solving above-mentioned one or more problems on January 19th, 1993, open in No. 003 patent (' 003 patent).Especially, ' 003 patent describes a kind of cooling system, and it has double fan structure, comprises main fan and less additional fan.Main fan is positioned at the side of H Exch, and with actuating air through over-heat-exchanger, less additional fan is arranged in the opposite side of H Exch simultaneously, with sucking-off air through over-heat-exchanger.Less additional fan is positioned at the region of the lowest empty air-flow of the center of main fan, and is intended to eliminate the air recirculation returned through over-heat-exchanger.
Although the double fan structure of ' 003 patent can help to lower the air recirculation through over-heat-exchanger, it may be also complicated, expensive and be difficult to packaging.In addition, additional fan can reduce the reliability of cooling system with relevant installation and function unit.
Cooling system is for the other problem overcoming above-mentioned one or more problem and/or prior art.
Summary of the invention
On the one hand, the present invention relates to a kind of cooling system.Cooling system can comprise the H Exch that fluidly can be connected to driving engine, and can produce the fan of the air stream through over-heat-exchanger with H Exch adjacent positioned.Cooling system also can comprise and prevents recycling feature, and it adjoins fan, can be blocked in the air flowing at place of fan center and allow air at fan ambient dynamic.
On the other hand, the present invention relates to a kind of driving engine grid.Driving engine grid can comprise end, and is formed in the multiple holes in end with the pattern in the middle of end.Driving engine grid also can comprise and prevents recycling feature, is positioned at the middle, end of the pattern in multiple hole.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of exemplary disclosed machine; And
Fig. 2 is can the schematic diagram of exemplary disclosed cooling system that uses of the machine of composition graphs 1; And
Fig. 3 is the schematic diagram of the exemplary disclosed driving engine grid be associated with the cooling system of Fig. 2.
Detailed description of the invention
Fig. 1 shows the illustrative embodiments of machine 10.Machine 10 can be fixing or mobile machine, its perform with such as dig up mine, build, the operation of some types that farming, transport, the industry of oil or other industries known in the art are associated.Such as, machine 10 can be earthwork machine, the mobile machine of such as, motor-grader shown in Fig. 1, wheel type loader, track type tractor, haul truck or other type.Alternatively, if necessary, machine 10 can be associated with generating, fluid (such as, Oil, Water, Gas etc.) pumping or other stationary applications.In embodiments of the present invention, machine 10 can comprise framework 12, and it supports the driving engine 14 being arranged in shell 16.Inter alia, shell 16 can comprise housing 18 and dismountable fairing 20, the end of this fairing 20 closure casing 18.Housing 18 can be provided with one or more air intake 22, air can be allowed to flow through shell 16 at least partially, for cooling object, as will be described in further detail below.
As shown in Figure 2, machine 10 can be equipped with cooling system 24, and it communicates with air intake 22, is convenient to the generation of the power of driving engine 14.Inter alia, cooling system 24 can comprise and is arranged in housing 18 and the H Exch 26 being fluidly connected to driving engine 14, and is arranged in housing 18 fan 28 adjacent with H Exch 26.H Exch 26 can be specially the main radiator of driving engine 14, and is positioned in cooling system conditioner and dispels the heat from cooling system conditioner after driving engine 14.As the main radiator of driving engine 14, H Exch 26 can be the exchanger of liquid to air type.That is, air stream can be directed from the passage of air intake 22 through over-heat-exchanger 26, makes the heat from the cooling system conditioner in adjacency channel be transferred into air.In this way, the scheduled operation temperature lower than driving engine 14 can be cooled to through the cooling system conditioner of driving engine 14.Cooling fan 28 can be orientated as and produce the directed air stream through over-heat-exchanger 26.
In embodiments of the present invention, fan 28 between H Exch 26 and fairing 20, with the entrance 22 from housing 18 through over-heat-exchanger 26 sucking-off air, and can release air through one end of fairing 20.Inter alia, fan 28 also comprises hub 30 and multiple dihedral vane 30 extended radially outwardly from hub 30.Fan 28 can by driving engine 14 directly (such as, by mechanical connection, such as pulley or gear drive) or (such as, by hydraulic pressure or motor 34) driving indirectly, and comprise installation hardware 36, fan 28 can be fixedly connected to cowling 20.Fan 28 also can be pivotally connected to H Exch 26 (such as, lower edge at H Exch 26), make fan 28 and H Exch 26 can together be formed into the door (see Fig. 1) of shell 16, it can optionally open the passage of the radiating gill being provided to H Exch 26 in the maintenance period.In this structure, the handle 38 of the upper edge being positioned at fairing 20 can be provided, for carrying out manual locking relative to H Exch 26 and discharging fan 28 and fairing 20.Can expect, if necessary, fan 28 is alternately arranged on the opposition side (that is, between driving engine 14 and H Exch 26) of H Exch 26 relative to fairing 20.In this alternative constructions, fan 28 can promote air through over-heat-exchanger 26, but not through over-heat-exchanger 26 sucking-off air.
Fairing 20 can comprise the driving engine grid 40 being positioned at its one end.Driving engine grid 40 can allow the air-flow produced by fan 28 through fairing 20, forbids that the chip being greater than specific dimensions passes through simultaneously.Especially, as shown in Figure 3, driving engine grid 40 can comprise multiple hole 42, with around roughly solid disc shape, arrange with the pattern of recycling feature 44 that prevents of fan 28 concentric locating (being arranged in the roughly m-see Fig. 2 of driving engine grid 40).In embodiments of the present invention, hole 42 can be arranged as honeycomb structure, and the cross-sectional area in each hole and/or the density in hole 42 are selected based on earmarking of machine 10.It should be noted that, if necessary, the hole except cellular can be used to construct.Comprise and prevent the driving engine grid 40 of recycling feature 44 from can be obtained by known material any in this area, such as, antirust and/or heat resistance material, or be coated with other material that is antirust and/or heat resistanceheat resistant coating.
Driving engine grid 40 can comprise usually smooth Part I 46 and usually smooth Part II 48, and Part II 48 is positioned at (that is, between Part I 46 and framework 12) below Part I 46.As illustrated in fig. 1 and 2, when being assembled in fairing 20, Part I 46 can be outward-dipping towards Part II 48 from upper limb.Part II 48 inwardly, away from Part I 46 can tilt towards fan 28 and H Exch 26 at lower edge, makes the crossover sites of the first and second parts 46,48 in farthest away from fan 28 place.Get back to Fig. 3, multiple traverse furrow 50 can be formed in the first and second parts 46, increases the rigidity of driving engine grid 40.Prevent recycling feature 44 can be formed at least in part in both the first and second parts 46,48, and traverse furrow 50 can be passed through and prevent recycling feature 44.Comprise prevent recycling feature 44, the driving engine grid 40 of hole 42 and traverse furrow 50 is fabricated to single global facility by such as traditional punching press and perforation procedure by any suitable material (such as, steel).But can expect, if necessary, prevent recycling feature 44 to be alternately manufactured to independent disk shaped part, it can be assembled into adjacent with driving engine grid 40 subsequently and/or be engaged.
Prevent recycling feature 44 can be designed to strengthen the performance of cooling system 24.Especially, prevent recycling feature 44 to have geometry and be positioned as suppressing hot air through over-heat-exchanger 26 recirculation.Especially, prevent the outer diameter D 1 of recycling feature 44 can be greater than the outer diameter D 2 (see Fig. 2) of hub 30, but be less than the outer diameter D 3 of blade 32.Have been found that the outer diameter D 1 preventing recycling feature 44 is close to the outer diameter D 2 of hub 30, the more substantial air-flow produced by fan 28 can be passed through H Exch 26 recirculation.On the contrary, also have been found that the outer diameter D 1 preventing recycling feature 44 is close to the outer diameter D 3 of blade 32, the air-flow of the less amount produced by fan 28 can be passed through fairing 20 and can increase the constraint of air-flow.When being about 60-80% of outer diameter D 3 of blade 32 when preventing the outer diameter D 1 of recycling feature 44, the air-flow of the aequum produced by fan 28 can be passed through fairing 20, and the air-flow with negligible quantity returns through over-heat-exchanger 26 recirculation.In embodiments of the present invention, diameter D3 can be about 550-600mm.
Industrial applicibility
Cooling system of the present invention can be formed and be applicable to anyly need the movement of actv. engine cooling or the power unit of stationary machine together with driving engine 14.Cooling system of the present invention is by reducing the amount of air of the H Exch recirculation through being associated to improve cooling effectiveness.Cooling system of the present invention can use and prevent recycling feature 44 to reduce the amount of air of recirculation.Especially, the higher pressure air preventing recycling feature 44 from can stop from fan 28 outer rim flow through fan 28 compared with low-pressure centre and H Exch 26 sucked back.In this way, more substantial cool fresh air can be passed through H Exch 26, the efficiency of H Exch 26 thus increasing amount of cooling water and be associated.In fact, demonstrate, prevent recycling feature 44 from can increase in fact by the air-flow through over-heat-exchanger 26 of 5% or more.Prevent recycling feature 44 from also reducing noise by using.
It will be apparent to those skilled in the art that for cooling system of the present invention, can multiple amendment and distortion be carried out, and not depart from scope of the present invention.Based on to the explanation of thermal management disclosed herein and the consideration of practice, other embodiment of cooling system will be apparent for those skilled in the art.Such as, in above-mentioned alternative constructions, its fan 28 is relative with cowling 20 between driving engine 14 and H Exch 26, can expect, prevent recycling feature 44 can be individual components (namely, be separated with driving engine grid 40), and be positioned in the upstream of fan 28 or downstream place adjacent with fan 28.Here detailed description and example are intended to only be considered to example, and actual range of the present invention is indicated by claim below and their equivalence.
Claims (9)
1. a driving engine grid (40), comprising:
End (46,48);
Multiple hole (42), is formed in end with the pattern in the middle of end; And
Prevent recycling feature (44), be arranged in the middle, end of the pattern in multiple hole.
2. driving engine grid as claimed in claim 1, wherein, prevents recycling feature from being roughly plate-like solid member.
3. driving engine grid as claimed in claim 2, wherein, prevents the external diameter of recycling feature from being about 550-600mm.
4. driving engine grid as claimed in claim 2, wherein:
End comprises:
Substantially smooth Part I (46); And
Substantially smooth Part II (48), it tilts away from Part I; And
Plate-like solid member extends through Part I and Part II at least in part.
5. driving engine grid as claimed in claim 4, wherein, driving engine grid comprises multiple traverse furrow (50), and it extends past and prevents recycling feature.
6. a power unit (14,24), comprising:
Driving engine (14), is arranged in motor body (18);
H Exch (26), is fluidly connected to driving engine, and is arranged in motor body in one end of driving engine;
Fan (28), is arranged in motor body adjacent with H Exch, and can produces the air-flow through over-heat-exchanger;
Driving engine grid (40) as described in any one of claim 1-5, is arranged as with fan adjacent; And
Cowling (20), can close motor body at least in part, and driving engine grid is connected to fan.
7. power unit as claimed in claim 6, wherein, motor body comprises multiple air intake (22), air can be guided to fan.
8. power unit as claimed in claim 7, wherein, fan from multiple air intake through over-heat-exchanger sucking-off air, and can promote air around preventing recycling feature and leaving motor body through multiple hole.
9. power unit as claimed in claim 8, wherein, prevents the external diameter of recycling feature from being about 60-80% of fan external diameter.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US13/362,580 US20130192795A1 (en) | 2012-01-31 | 2012-01-31 | Cooling system having anti-recirculation feature |
| US13/362,580 | 2012-01-31 | ||
| PCT/US2013/023355 WO2013116124A2 (en) | 2012-01-31 | 2013-01-28 | Cooling system having anti-recirculation feature |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104245383A true CN104245383A (en) | 2014-12-24 |
| CN104245383B CN104245383B (en) | 2017-05-24 |
Family
ID=47679081
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201380006452.4A Expired - Fee Related CN104245383B (en) | 2012-01-31 | 2013-01-28 | Cooling system having anti-recirculation feature |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US20130192795A1 (en) |
| EP (1) | EP2809538A2 (en) |
| CN (1) | CN104245383B (en) |
| WO (1) | WO2013116124A2 (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102384676B (en) * | 2011-10-31 | 2013-05-29 | 陆加孚 | Efficient air heat exchanger |
| USD900887S1 (en) | 2019-01-17 | 2020-11-03 | Caterpillar Inc. | Grill |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2318189A (en) * | 1941-05-24 | 1943-05-04 | Berman Morris | Vehicle radiator shield |
| US3816981A (en) * | 1971-05-24 | 1974-06-18 | Clayson Nv | Rotary air filter |
| EP0185948A2 (en) * | 1984-12-22 | 1986-07-02 | MAN Nutzfahrzeuge Aktiengesellschaft | Cooling device with a ducted fan |
| JP2004183500A (en) * | 2002-11-29 | 2004-07-02 | Komatsu Ltd | Axial fan cooling device |
| DE102004029283A1 (en) * | 2004-06-17 | 2006-01-05 | Daimlerchrysler Ag | Motor vehicle body has cooling air inlet for entry of eddies generated at separation edge arranged immediately after separation edge to reduce air resistance |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5180003A (en) | 1992-01-14 | 1993-01-19 | Caterpillar Inc. | Dual fan cooling system |
-
2012
- 2012-01-31 US US13/362,580 patent/US20130192795A1/en not_active Abandoned
-
2013
- 2013-01-28 CN CN201380006452.4A patent/CN104245383B/en not_active Expired - Fee Related
- 2013-01-28 EP EP13703261.1A patent/EP2809538A2/en not_active Withdrawn
- 2013-01-28 WO PCT/US2013/023355 patent/WO2013116124A2/en active Application Filing
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2318189A (en) * | 1941-05-24 | 1943-05-04 | Berman Morris | Vehicle radiator shield |
| US3816981A (en) * | 1971-05-24 | 1974-06-18 | Clayson Nv | Rotary air filter |
| EP0185948A2 (en) * | 1984-12-22 | 1986-07-02 | MAN Nutzfahrzeuge Aktiengesellschaft | Cooling device with a ducted fan |
| JP2004183500A (en) * | 2002-11-29 | 2004-07-02 | Komatsu Ltd | Axial fan cooling device |
| DE102004029283A1 (en) * | 2004-06-17 | 2006-01-05 | Daimlerchrysler Ag | Motor vehicle body has cooling air inlet for entry of eddies generated at separation edge arranged immediately after separation edge to reduce air resistance |
Also Published As
| Publication number | Publication date |
|---|---|
| EP2809538A2 (en) | 2014-12-10 |
| CN104245383B (en) | 2017-05-24 |
| WO2013116124A2 (en) | 2013-08-08 |
| US20130192795A1 (en) | 2013-08-01 |
| WO2013116124A3 (en) | 2013-10-10 |
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| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170524 Termination date: 20180128 |
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| CF01 | Termination of patent right due to non-payment of annual fee |