CN104245383B - Cooling system having anti-recirculation feature - Google Patents
Cooling system having anti-recirculation feature Download PDFInfo
- Publication number
- CN104245383B CN104245383B CN201380006452.4A CN201380006452A CN104245383B CN 104245383 B CN104245383 B CN 104245383B CN 201380006452 A CN201380006452 A CN 201380006452A CN 104245383 B CN104245383 B CN 104245383B
- Authority
- CN
- China
- Prior art keywords
- engine
- fan
- air
- heat
- exchanger
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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
-
- 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
Present invention relates generally to a kind of cooling system, and more specifically it relates to one kind has can strengthen engine cool
The cooling system for preventing recycling feature.
Background technology
Most of mobile machine is by explosive motor (such as Diesel engine, petrol engine or fuel gas power
Engine) it is provided with power.The mixture of every kind of burning fuel and air in these engines is produced for advancing machine
Mechanical output is exported.In order to ensure fuel/air mixture best combustion and protect engine components from extreme damage,
The air for being used to burn in the temperature and introducing engine of engine should be tightly controlled.
Typical explosive motor is arranged by heat exchanger and (for example, in front or behind) adjacent with heat exchanger
Axial cooling fan is cooled down.Cooling agent from engine is circulated through over-heat-exchanger, while axial cooling fan guiding
Flow of fresh air is absorbed heat through over-heat-exchanger with from cooling agent.Warp-wise air radiating cooling agent then be recycled back into by
Engine cools down engine., from after heat exchanger heat absorption, air is directed to air.
Regrettably, by fan be directed through heat exchanger air and it is not all it is fresh and cooling and can be from engine
Fully absorb substantial amounts of heat.Especially, traditional cooling fan is produced has the air than axial centre higher pressure in periphery
Stream.In some cases, this barometric gradient can cause some the higher pressure air at periphery anti-after through over-heat-exchanger
To, and relatively low-pressure centre through over-heat-exchanger is sucked back into.The air of this recycling has elevated temperature, and it can reduce heat
The efficiency of exchanger.
In order to a kind of trial for solving one or more above-mentioned problems authorized Kouzel's et al. on January 19th, 1993
Disclosed in the patent (' 003 patent) of the U.S. the 5,180,003rd.Especially, ' 003 patent describes a kind of cooling system, its tool
There is double fan to construct, including main fan and less auxiliary blower.Main fan is located at the side of heat exchanger, is passed through with actuating air
Over-heat-exchanger, while less auxiliary blower is arranged in the opposite side of heat exchanger, to suction out air through over-heat-exchanger.Compared with
Small auxiliary blower is located at the region of the minimum air stream of the center of main fan, and is intended to eliminate what is returned through over-heat-exchanger
Air is recycled.
Although the double fan construction of ' 003 patent can help to lower being recycled through the air of over-heat-exchanger, its be also possible to be
It is complicated, expensive and be difficult to what is packed.Additionally, the installation of additional fan and correlation and control unit can reduce cooling system can
By property.
Cooling system is directed to the other problems for overcoming said one or multiple problems and/or prior art.
The content of the invention
On the one hand, the present invention relates to a kind of cooling system.Cooling system may include the heat that may be fluidly connected to engine
Exchanger, and with heat exchanger adjacent positioned and fan through the air stream of over-heat-exchanger can be produced.Cooling system is also
May include to prevent recycling feature, it adjoins fan, the air flow that can be blocked at fan center and allow air in wind
Flowed around fan.
On the other hand, the present invention relates to a kind of engine grid.Engine grid may include end, and with around end
Middle pattern is formed in the multiple holes in end.Engine grid may also include and prevent recycling feature, positioned at multiple holes
The end middle of pattern.
Brief description of the drawings
Fig. 1 is the schematic diagram of the machine of illustrative disclosure；And
Fig. 2 is the schematic diagram of the cooling system of the illustrative disclosure that can be used with reference to the machine of Fig. 1；And
Fig. 3 is the schematic diagram of the engine grid of the illustrative disclosure being associated with the cooling system of Fig. 2.
Specific embodiment
Fig. 1 shows the illustrative embodiments of machine 10.Machine 10 can be fixed or mobile machine, its perform with
The associated some type of behaviour of such as mining, building, farming, transport, the industry of oil or other industries known in the art
Make.For example, machine 10 can be earthwork machine, such as motor-grader, wheel loader shown in Fig. 1, crawler type
Tractor, haul truck or other types of mobile machine.Alternatively, if desired, machine 10 can be with generating, stream
Body (for example, Oil, Water, Gas etc.) is pumped or other stationary applications are associated.In embodiments of the present invention, machine 10 can be wrapped
Framework 12 is included, its engine 14 of support in shell 16.Inter alia, shell 16 may include housing 18 and dismountable
Radome fairing 20, the radome fairing 20 closes the end of housing 18.Housing 18 can be provided with one or more air intakes 22, can allow for
Air flows through at least a portion of shell 16, for cooling purposes, as will be described in further detail below.
As shown in Fig. 2 machine 10 may be provided with cooling system 24, it communicates to be easy to engine 14 with air intake 22
Power generation.Inter alia, cooling system 24 may include to be located in housing 18 and be fluidly connected to engine 14
Heat exchanger 26, and adjacent with heat exchanger 26 fan 28 in housing 18.Heat exchanger 26 can be specially and start
The main radiator of machine 14, and cooling agent is positioned in by engine 14 afterwards from cooling agent radiating.As the master of engine 14
Radiator, heat exchanger 26 can be exchanger of the liquid to air type.That is, air stream can be directed to be passed through from air intake 22
The passage of over-heat-exchanger 26 so that the heat from the cooling agent in adjacency channel is transferred into air.In this way, pass through
The cooling agent of engine 14 can be cooled to the scheduled operation temperature less than engine 14.Cooling fan 28 can orientate generation quilt as
It is directed through the air stream of heat exchanger 26.
In embodiments of the present invention, fan 28 can be located between heat exchanger 26 and radome fairing 20, with from housing 18
Entrance 22 through over-heat-exchanger 26 suction out air, and by radome fairing 20 one end release air.Inter alia, wind
Fan 28 also includes hub 30 and multiple dihedral vanes 30 extended radially outwardly from hub 30.Fan 28 can be by the direct (example of engine 14
Such as, by mechanically connecting, such as pulley or gear drive) or (for example, by hydraulic pressure or motor 34) drives indirectly, and including peace
Dress hardware 36, can be fixedly connected to cowling 20 by fan 28.Fan 28 can also be pivotably connected to hot friendship
Parallel operation 26 (for example, in lower edge of heat exchanger 26) so that fan 28 and heat exchanger 26 can together form shell 16
Door (referring to Fig. 1), it can be selectively opened to provide the passage of the fin to heat exchanger 26 in the maintenance period.At this
In one construction, it is possible to provide positioned at the handle 38 of the upper edge of radome fairing 20, for carrying out manual locking relative to heat exchanger 26
With release fan 28 and radome fairing 20.It is contemplated that if desired, fan 28 is alternately installed relative to radome fairing 20
In the opposition side (that is, between engine 14 and heat exchanger 26) of heat exchanger 26.In this alternative constructions, fan 28 can
Heat exchanger 26 is pushed air past, rather than air is suctioned out through over-heat-exchanger 26.
Radome fairing 20 may include to be located at the engine grid 40 of its one end.Engine grid 40 can allow for being produced by fan 28
Raw air-flow is by radome fairing 20, while forbidding passing through more than the chip of specific dimensions.Especially, as shown in figure 3, engine lattice
Grid 40 may include multiple holes 42, and (the big of engine grid 40 is located at around substantially solid disk shape and the concentric locating of fan 28
It is m- referring to Fig. 2 in cause) the pattern for preventing recycling feature 44 arrange.In embodiments of the present invention, hole 42 may be disposed so that
Ojosa, the cross-sectional area in each hole and/or the density in hole 42 are based on earmarking and selecting for machine 10.It should be noted that
Arrive, if it is desired, it is possible to be constructed using the hole in addition to cellular.Engine lattice including preventing recycling feature 44
Grid 40 can be obtained by any of material in this area, for example, antirust and/or heat resistance material, or be coated with antirust and/or
The other materials of heat resistanceheat resistant coating.
Engine grid 40 may include the Part I 46 being generally flat and the Part II 48 being generally flat, Part II
48 are located at the lower section of Part I 46 (that is, between Part I 46 and framework 12).As illustrated in fig. 1 and 2, when being assembled in radome fairing
When in 20, Part I 46 can be outward-dipping towards Part II 48 from top edge.Part II 48 can lower edge inwardly,
Inclined away from Part I 46 and towards fan 28 and heat exchanger 26 so that the crossover sites of the first and second parts 46,48
In farthest away from fan 28.Return to Fig. 3, multiple traverse furrows 50 may be formed in the first and second parts 46 to increase engine lattice
The rigidity of grid 40.Preventing recycling feature 44 can be at least partially formed in both the first and second parts 46,48, and
Traverse furrow 50 can be by preventing recycling feature 44.Engine grid 40 including preventing recycling feature 44, hole 42 and traverse furrow 50
Single global facility can be fabricated to by any suitable material (for example, steel) for example, by traditional punching press and perforation procedure.So
And, it is envisioned that if desired, prevent recycling feature 44 to be alternately manufactured to independent disk shaped part, it can quilt
Be subsequently assembled is adjacent with engine grid 40 and/or engagement.
Recycling feature 44 is prevented to be designed to strengthen the performance of cooling system 24.Especially, recycling feature is prevented
44 can have geometry and be positioned as suppress hot-air recycled through over-heat-exchanger 26.Especially, prevent recycling special
Levying 44 outer diameter D 1 can be more than the outer diameter D 2 (referring to Fig. 2) of hub 30, but less than the outer diameter D 3 of blade 32.It has been found that preventing again
, close to the outer diameter D 2 of hub 30, a greater amount of air-flow produced by fan 28 can be through over-heat-exchanger 26 for the outer diameter D 1 of cycle specificity 44
Recycling.Conversely, it has also been found that, the outer diameter D 1 of recycling feature 44 close to the outer diameter D 3 of blade 32 is prevented, produced by fan 28
Raw lesser amount of air-flow be able to can increase by radome fairing 20 and to the constraint of air-flow.When the outer diameter D 1 for preventing recycling feature 44
When being the about 60-80% of outer diameter D 3 of blade 32, the desired amount of air-flow produced by fan 28 can have by radome fairing 20
The air-flow of negligible quantity is recycled and returned to through over-heat-exchanger 26.In embodiments of the present invention, diameter D3 can be about
550-600mm。
Industrial applicibility
Cooling system of the invention can be formed suitable for any required effective engine cool together with engine 14
The power unit of mobile or stationary machine.Cooling system of the invention can again be followed by reducing by associated heat exchanger
The air capacity of ring improves cooling effectiveness.Cooling system of the invention can be used prevents recycling feature 44 from reducing recycling
Air capacity.Especially, preventing recycling feature 44 can stop the higher pressure air stream from the outer rim of fan 28 through passing through fan 28
It is sucked back into compared with low-pressure centre and heat exchanger 26.In this way, a greater amount of cooling fresh airs can through over-heat-exchanger 26,
Thus increase the efficiency of amount of cooling water and associated heat exchanger 26.In fact, having been proven that, recycling feature 44 is prevented
Can substantially increase by 5% or more the air-flow through over-heat-exchanger 26.Made an uproar by using preventing recycling feature 44 from also reducing
Sound.
It will be apparent to those skilled in the art that for cooling system of the invention, various modifications and change can be carried out
Shape, is made without departing from the scope of the present invention.Based on explanation and the consideration of practice to thermal management disclosed herein, cooling system
The other embodiment of system will be apparent for those skilled in the art.For example, in above-mentioned alternative constructions, wherein
Fan 28 is located at relative with cowling 20 between engine 14 and heat exchanger 26, it is envisioned that prevent recycling special
It can be individual components (that is, being separated with engine grid 40) to levy 44, and is positioned at the upstream of fan 28 or downstream
It is adjacent with fan 28.Here detailed description and example is intended to be to be considered only as example, and actual range of the invention is by following power
Profit is required equivalent with them and indicated.
Claims (8)
1. a kind of engine grid (40), including：
Substantially flat Part I and Part II (46,48)；
Multiple holes (42), the base is formed in the pattern in the middle of the substantially flat Part I and Part II
In sheet in flat Part I and Part II；And
Recycling feature (44) is prevented, described substantially flat Part I and Part II in the pattern in multiple holes
Middle, it is characterised in that it is generally disc-like solid member to prevent recycling feature.
2. engine grid as claimed in claim 1, wherein, the external diameter for preventing recycling feature is 550-600mm.
3. engine grid as claimed in claim 1, wherein：
The substantially flat Part I and Part II include：
Substantially flat Part I (46)；And
Substantially flat Part II (48), it is inclined away from Part I；And plate-like solid member is prolonged at least in part
Extend through Part I and Part II.
4. engine grid as claimed in claim 3, wherein, engine grid includes multiple traverse furrows (50), and it is extended past
Prevent recycling feature.
5. a kind of power unit (14,24), including：
Engine (14), is arranged in motor body (18)；
Heat exchanger (26), is fluidly connected to engine, and in one end of engine is arranged in motor body；
Fan (28), is arranged in adjacent with heat exchanger in motor body, and can produce through the air-flow of over-heat-exchanger；
Engine grid (40) as described in claim any one of 1-4, is arranged as adjacent with fan；And
Cowling (20), can at least in part close motor body, and engine grid is connected into fan.
6. power unit as claimed in claim 5, wherein, motor body includes multiple air intakes (22), can be by sky
Gas is guided to fan.
7. power unit as claimed in claim 6, wherein, fan can suction out empty from multiple air intakes through over-heat-exchanger
Gas, and air is promoted around preventing recycling feature and by multiple holes leave motor body.
8. power unit as claimed in claim 7, wherein, the external diameter for preventing recycling feature is the 60-80% of outer diameter fan.
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 CN104245383A (en) | 2014-12-24 |
| CN104245383B true 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 (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2318189A (en) * | 1941-05-24 | 1943-05-04 | Berman Morris | Vehicle radiator shield |
| US5180003A (en) | 1992-01-14 | 1993-01-19 | Caterpillar Inc. | Dual fan cooling system |
| 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 |
-
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 (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
Also Published As
| Publication number | Publication date |
|---|---|
| US20130192795A1 (en) | 2013-08-01 |
| WO2013116124A3 (en) | 2013-10-10 |
| CN104245383A (en) | 2014-12-24 |
| WO2013116124A2 (en) | 2013-08-08 |
| EP2809538A2 (en) | 2014-12-10 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US20160017810A1 (en) | Acoustic liner heat exchanger | |
| CA2926862C (en) | Turbofan bypass air cooled oil cooler fairings | |
| JP5500453B2 (en) | Aircraft nacelle including hot air discharge means | |
| US8052377B2 (en) | Cowling arrangement | |
| WO2012096770A3 (en) | Thermal management system and method | |
| CN103154438B (en) | Turbine arrangement and gas turbine engine | |
| US20130108419A1 (en) | Ring segment with cooling fluid supply trench | |
| US9896937B2 (en) | Turbine hub with surface discontinuity and turbocharger incorporating the same | |
| US8206080B2 (en) | Gas turbine engine with improved thermal isolation | |
| DE102011053930A1 (en) | Apparatus and method for cooling platform sections of turbine rotor blades | |
| CH703875B1 (en) | Turbine rotor blade with a platform cooling arrangement as well as methods for their preparation. | |
| CN1924320A (en) | Methods and apparatus for operating gas turbine engines | |
| WO2017016343A1 (en) | High-efficiency generator set having dual cooling airway | |
| DE102013109146A1 (en) | Cooling arrangement for the platform region of a turbine blade | |
| CN104245383B (en) | Cooling system having anti-recirculation feature | |
| US8721271B2 (en) | Oil cooler | |
| CA2927257C (en) | Gas turbine engine rotor casing treatment | |
| DE112007002046T5 (en) | Engine noise reduction device | |
| US20170347832A1 (en) | Portable biomass stove | |
| US10253677B2 (en) | Cooling of internal combustion engines | |
| DE102020202164B4 (en) | TURBINE BLADE, AS WELL AS TURBINE AND GAS TURBINE WITH THE SAME | |
| CN106414902A (en) | Heat pipe temperature management system for wheels and buckets in a turbomachine | |
| CN102242666A (en) | Ventilated cooling device of digital generating set | |
| CN204627734U (en) | Petrol engine forces cooling structure and petrol engine thereof | |
| CN203835763U (en) | Explosion-proof axial flow type local fan |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| 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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170524 Termination date: 20180128 |