CN201496716U - Internally heated medium conducting device - Google Patents
Internally heated medium conducting device Download PDFInfo
- Publication number
- CN201496716U CN201496716U CN2009201475407U CN200920147540U CN201496716U CN 201496716 U CN201496716 U CN 201496716U CN 2009201475407 U CN2009201475407 U CN 2009201475407U CN 200920147540 U CN200920147540 U CN 200920147540U CN 201496716 U CN201496716 U CN 201496716U
- Authority
- CN
- China
- Prior art keywords
- conducting device
- heating equipment
- medium
- medium conducting
- heat
- 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 - Lifetime
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01M—LUBRICATING OF MACHINES OR ENGINES IN GENERAL; LUBRICATING INTERNAL COMBUSTION ENGINES; CRANKCASE VENTILATING
- F01M13/00—Crankcase ventilating or breathing
- F01M13/02—Crankcase ventilating or breathing by means of additional source of positive or negative pressure
- F01M13/021—Crankcase ventilating or breathing by means of additional source of positive or negative pressure of negative pressure
- F01M13/022—Crankcase ventilating or breathing by means of additional source of positive or negative pressure of negative pressure using engine inlet suction
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M25/00—Engine-pertinent apparatus for adding non-fuel substances or small quantities of secondary fuel to combustion-air, main fuel or fuel-air mixture
- F02M25/06—Engine-pertinent apparatus for adding non-fuel substances or small quantities of secondary fuel to combustion-air, main fuel or fuel-air mixture adding lubricant vapours
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M35/00—Combustion-air cleaners, air intakes, intake silencers, or induction systems specially adapted for, or arranged on, internal-combustion engines
- F02M35/10—Air intakes; Induction systems
- F02M35/10209—Fluid connections to the air intake system; their arrangement of pipes, valves or the like
- F02M35/10222—Exhaust gas recirculation [EGR]; Positive crankcase ventilation [PCV]; Additional air admission, lubricant or fuel vapour admission
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M35/00—Combustion-air cleaners, air intakes, intake silencers, or induction systems specially adapted for, or arranged on, internal-combustion engines
- F02M35/10—Air intakes; Induction systems
- F02M35/10242—Devices or means connected to or integrated into air intakes; Air intakes combined with other engine or vehicle parts
- F02M35/10268—Heating, cooling or thermal insulating means
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01M—LUBRICATING OF MACHINES OR ENGINES IN GENERAL; LUBRICATING INTERNAL COMBUSTION ENGINES; CRANKCASE VENTILATING
- F01M13/00—Crankcase ventilating or breathing
- F01M13/04—Crankcase ventilating or breathing having means for purifying air before leaving crankcase, e.g. removing oil
- F01M2013/0455—Crankcase ventilating or breathing having means for purifying air before leaving crankcase, e.g. removing oil with a de-icing or defrosting system
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/12—Improving ICE efficiencies
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Lubrication Details And Ventilation Of Internal Combustion Engines (AREA)
Abstract
The utility model relates to a medium conducting device or a medium transfer device for continuously conducting or transferring a medium. In order to avoid icing, in particular to avoiding icing at an inlet (9) of the medium conducting device (1) like in a fresh air conducting device (2) for an internal-combustion engine, a heating device (3) mounted inside the medium conducting device (1) is arranged and used for absorbing heat from medium flow and transferring the heat to a peripheral area of the heating device (3).
Description
Technical field
The utility model relates to a kind of medium conducting device or medium conveying apparatus that is used for continuous conducting or transmission medium.The utility model is particularly related to a kind of exhausted by crankcase conducting device, in this device, the gas of scurrying out (Blow-by-Gases) that for example cleaned is supplied with the fresh air conducting device of explosive motor in oil mist separator.
Background technique
At explosive motor, reciprocating engine for example, combustion gas enters crankcase along piston or piston ring.Combustion gas can make a part of oil plant vaporization that exists at this place, perhaps absorbs the oil plant particle of tiny dispersion.Like this, if for example in crankcase, can not produce superpressure, this can cause gas to enter external environment, and then these carry the gas of oil plant particle of tiny dispersion or the gas of carrying mist of oil will be recycled in the fresh air conducting device of the suction stroke of explosive motor or explosive motor targetedly.In addition, for some motor, must guarantee motor is supplied with ozone.In crankcase, fresh air mixes with the oil plant particle.For fear of undesirable oil loss, pollute the air enter and/or pollute gas handling system/valve and the oil plant residue is infected with catalyst substrates (because the rules of toxic emission are more and more stricter, increasing responsive exhaust gas cleaning equipment is owing to be infected with, for example owing to being infected with of lubricant oil residue causes " wearing out " in advance), most of oil plant in the circuit gas should be got rid of from the gas oil plant that mixes, can be adopted centrifugal separator or oil plant separator or oil mist separator for this reason.According to traditional approach, separate oil plant by dividing plate, crankshaft seal or spin device.
In general, centrifugal separator is arranged on beyond the oil plant space range beyond the float chamber scope.
The gas that the exhausted by crankcase conducting device will purify is directed in the fresh air conducting device of explosive motor for example.
Transport medium for example crankcase discharge in the cold medium conducting device of gas, the situation that gas freezes from outside to inside may appear, that is to say, freeze towards the direction of central shaft from the inwall of medium conducting device, perhaps, the water of steam state is condensation on cold outer wall at first, freezes then.At the exhausted by crankcase conducting device, for example observed at the place, entry position that the exhausted by crankcase conducting device enters the entry position place of fresh air conducting device or enters suction system and can begin to freeze.
For avoiding above-mentioned undesirable condition, for example suggestion in WO 2006/002791, the place is provided with heating equipment in the entry position.This heating equipment is designed to a kind of circulation conducting device, and this circulation conducting device is connected on freezing mixture reflux or the lubricant oil reflux, and is circulated to the entry position of reflux in the scope of exhausted by crankcase conducting device.
Known also have a kind of electric power heating equipment on the entry position.
For addressing the above problem, at US 6,772, to advise among 744 B2, the exhausted by crankcase conducting device is connected with explosive motor by a kind of heat conductance device.In this article, this heat conductance device is connected on the explosive motor with heat exchange pattern on the one hand, be connected on the outside of exhausted by crankcase conducting device with heat exchange pattern on the other hand, like this, enter in the partitioning wall of exhausted by crankcase conducting device from the outside from the heat of explosive motor.The shortcoming of this suggestion is, must heat conductance device be fixed on the explosive motor by special Placement.This fixedly connected in order to form, for example must adopt additional bolts on the one hand, on the other hand, must adopt the Placement that is applicable to the crankcase conducting device.
But the greatest drawback of the prior art also is to carry heat energy from the outside to the crankcase conducting device.Like this, have influence on the load of explosive motor medium loop on the one hand, have influence on the load of explosive motor electrical network on the other hand.
The model utility content
Therefore, one of task of the present utility model or technical problem to be solved comprise uses simple measure to prevent to begin the interior icing phenomenon that occurs of medium conducting device in the described field of part, avoid the interior load effect of medium loop of explosive motor simultaneously, avoid being connected the load effect of the electrical network on the explosive motor, perhaps avoid the load effect of explosive motor itself.
According to the utility model, finish above-mentioned task by a kind of heating equipment that is arranged on medium conducting device inside, this heating equipment directly absorbs heat from MEDIA FLOW, and with the outer peripheral areas of heat delivery to heating equipment.
The utility model is particularly advantageous under the situation of exhausted by crankcase conducting device, this device is discharged the gas guiding by an inlet position with crankcase and is entered the fresh air conducting device of explosive motor or the fresh air conducting device of suction system, like this, by this heating equipment, the inlet that just can prevent the exhausted by crankcase conducting device under the situation of extra power or outlet are icing or freeze using.
Basic principle of the present utility model is that in medium conducting device inside, the temperature distribution that the MEDIA FLOW float chamber is discharged gas stream is bell shape or parabola shaped.In other words, the temperature value of the inner periphery of medium conducting device is less than the temperature value in the central axis scope.By the design heating equipment, make this heating equipment absorb heat, and with the outer peripheral areas of heat transfer to heating equipment, then the utility model can embody advantage from the center of MEDIA FLOW.
In preferred design proposal, heating equipment has a hot gathering element, a plurality of heat transfer element or heat conducting element and at least one thermoelement.Each thermoelement preferably is arranged in the edge extent of heating equipment.Thermoelement is connected with hot gathering element by the heat supply sheet.
For guaranteeing that heating equipment absorbs heat from the center of MEDIA FLOW, comparatively favourable design is the central axis of hot gathering element self and the central axes of medium conducting device.In preferred version, hot gathering element is designed to shaft-like, and like this, the front end towards MEDIA FLOW of this hot gathering element can stretch into the medium conducting device away from the inlet of medium conducting device.It is evident that the rear end relative with front end of hot gathering element can be stretched from original medium conducting device, stretch in the connected for example fresh air conducting device.Like this, hot gathering element can absorb heat in the center from MEDIA FLOW on its whole axial length, and the heat that absorbs is conducted to outer peripheral areas or thermoelement.
In preferred version, each heat transfer element is designed to rib shape, and therefore, heat transfer element also can be called as the heat supply sheet.The design of this heat transfer element makes it have as far as possible little mobile damping, thereby for example avoids the eddy current of MEDIA FLOW.In preferred version, from the cross section, it is trapezoidal that heat transfer element is, and this trapezium structure has a base surface and a supporting surface on the other side.From the cross section, base surface is preferably than supporting and wide.Hot gathering element is connected with supporting surface, and in the case, base surface is connected with thermoelement.
In preferred version, heating equipment and parts thereof (thermoelement, heat transfer element, hot gathering element) are integrally made by suitable material.Certainly, each element also can be separated from each other, and is combined as heating equipment, like this, comes the demonstration advantage by the material of selecting each parts respectively rightly.
On meaning of the present utility model, advantageously heating equipment inserts in the medium conducting device with its insertion section towards inlet or outlet like this as the assembly that separates, and makes heating equipment stretch out the medium conducting device at least in part by the thermoelement of self or by its guide section.The preferred design like this of thermoelement makes thermoelement for example form the real inlet of medium conducting device or really outlet in the fresh air conducting device.In other words, the internal range of the foreign range of one or more thermoelements and medium conducting device is complementary, and fully is tightly connected in entire scope.Certainly, see diametrically that thermoelement also can interrupt, so just formed the thermoelement section, correspondingly design its peripheral scope.Promote for example fresh air conducting device by the medium conducting device, like this, the fresh air conducting device can be cut the medium conducting device fully, in the case, for example the fresh air conducting device in the periphery of enclosing with the medium conducting device be complementary.Like this, heating equipment for example puts in the fresh air conducting device with guide section.
The hot gathering element of heating equipment is positioned at the central position of MEDIA FLOW.Hot gathering element absorbs heat from the central position of MEDIA FLOW, and by the heat supply sheet with the heat transferred thermoelement.Like this, in the entry position or exit position place form the inwall of medium conducting device to a certain extent, and with the heat release that absorbs to medium or for example crankcase discharge the critical outer edge region of gas.Therefore advantageously avoided particularly in the internal range of each conducting device, forming freezing.
For fear of the heat transferred surrounding enviroment of thermoelement with absorption, that is for example pass to the limit wall of medium conducting device or pass to fresh air, a thermal-protective coating is set in preferred version, this thermal-protective coating is set on the skin of thermoelement.Can be by suitable thermal-protective material or for example form this thermal-protective coating by air gap (air gap).
Description of drawings
Dependent claims and the following drawings are described and are disclosed other favourable mode of execution of the utility model.An accompanying drawing is:
Fig. 1: the sectional view of medium conducting device, this medium conducting device has the heating equipment that is installed on wherein.
Embodiment
Fig. 1 illustrates a kind of medium conducting device 1 that is used for continuous conducting medium.In an illustrated embodiment, medium conducting device 1 is designed to the exhausted by crankcase conducting device.The crankcase that medium conducting device 1 will for example clean in oil mist separator is discharged gas (gas of scurrying out (Blow-by-Gases)) enters explosive motor as the medium guiding of flowing in the medium conducting device fresh air conducting device 2.In the inside of medium conducting device 1 heating equipment 3 is set, this heating equipment absorbs heat from MEDIA FLOW, and heat delivery is given the outer peripheral areas 4 of heating equipment 3.
Heating equipment 3 has hot gathering element 6, a plurality of heat transfer element 7 and an a plurality of thermoelement 8.
In preferred embodiment, heating equipment 3 is made by each above-mentioned element integral body, but, can certainly become this heating equipment by the elements combination of separating.
Medium conducting device 1 has an inlet 9, makes it be communicated with for example fresh air conducting device 2 by this inlet.Inlet 9 also can be as required with for export 9.Fresh air conducting device 2 moves on medium conducting device 1 in the mode of abundant sealing, and in the case, medium conducting device 1 also can be designed as the parts of fresh air conducting device 2.
In medium conducting device 1, the medium float chamber is discharged gas and is flowed towards inlet 9, by flow arrow 11 these flow directions of expression.Exemplary principle temperature distribution or the heat distribution of medium in medium conducting device 1 that illustrate.By the temperature distribution that principle has been reproduced in zone 10, this zone is limited by the envelope shown in the principle 13, and this envelope is quasi-parabola shape.In other words, the temperature of medium conducting device 1 inner periphery medium is lower than the temperature in its central axis X scope.
Heat transfer element or heat transfer element 7 are designed to rib shape, and like this, this heat transfer element also can be called as the heat supply sheet.Hot gathering element 6 is connected with thermoelement 8 by heat transfer element 7.Heat transfer element 7 has a base surface 14 and a supporting surface 16 on the other side.By base surface 14, heat transfer element 7 is connected with thermoelement 8.By supporting surface 16, heat transfer element 7 is connected with hot gathering element 6.See that on sectional view base surface 14 can exemplarily design widelyer than supporting surface 16.
Therefore, heating equipment 3 forms an inlet 9 to a certain extent or exports 9 in fresh air conducting device 2.
As mentioned above, hot gathering element 6 preferably is designed to shaft-like, but also can be designed as tubulose.In an illustrated embodiment, this element extends to by its nearer rear end 21 relative with front end 12 before the free end 22 of guide section 18 of thermoelement 8.In the embodiment shown, thermoelement 8 is designed to sleeve pipe, and this sleeve pipe has a wall through circumferencial direction, and heat transfer element 7 and hot gathering element 6 are set in the inside of wall.
Heating equipment 3 is by the center absorption heat of hot gathering element 6 from MEDIA FLOW, and this heat is higher than the heat of edge, and by heat transfer element 7 heat is imported thermoelement 8.Thermoelement 8 is with the edge section of the heat transferred MEDIA FLOW of importing.Like this, can avoid icing, particularly internally around towards the central axis X direction, at the inlet 9 of medium conducting device 1 or export freezing of 9 places.Because heat insulating element 19, the outer wall that passes to the medium conducting device or the heat of fresh air have been reduced.
For example when making automobile, can be with heating equipment 3 corresponding being installed in the new medium conducting device.But also can expect with the old-fashioned medium conducting device of heating equipment of the present utility model (3) assembling.
Claims (10)
1. medium conducting device that is used for continuous conducting medium is characterized in that:
Heating equipment (3) is set in described medium conducting device (1), and described heating equipment absorbs heat from MEDIA FLOW, and heat delivery is given the outer peripheral areas of described heating equipment (3).
2. medium conducting device as claimed in claim 1 is characterized in that:
Described heating equipment (3) is configured to absorb heat from the center of described MEDIA FLOW, and heat delivery is given the outer peripheral areas of described heating equipment (3).
3. medium conducting device as claimed in claim 2 is characterized in that:
Described heating equipment (3) has hot gathering element (6), heat transfer element (7) and at least one thermoelement (8).
4. as each described medium conducting device among the claim 1-3, it is characterized in that:
The central axis (X1) of the hot gathering element (6) of described heating equipment (3) overlaps with the central axis (X) of described medium conducting device (1).
5. as each described medium conducting device among the claim 1-3, it is characterized in that:
Described heating equipment (3) unitary moulding, wherein its hot gathering element (6) and its heat transfer element (7) with and thermoelement (8) link together.
6. as each described medium conducting device among the claim 1-3, it is characterized in that:
Described heating equipment (3) inserts section (17) by it and inserts in the described medium conducting device (1), makes the guide section (18) of described heating equipment (3) stretch out from described medium conducting device (1).
7. medium conducting device as claimed in claim 5 is characterized in that:
The thermoelement (8) of described heating equipment (3) inserts section (17) by it and inserts in described medium conducting devices (1), makes the guide section (18) of thermoelement (8) of described heating equipment (3) stretch out from described medium conducting device (1).
8. medium conducting device as claimed in claim 7 is characterized in that:
Described heating equipment (3) is formed with the inlet (9) of described medium conducting device (1).
9. medium conducting device as claimed in claim 5 is characterized in that:
Has heat insulating element (19) on the thermoelement (8) of described heating equipment (3).
10. medium conducting device as claimed in claim 8 is characterized in that:
Has heat insulating element (19) on the thermoelement (8) of described heating equipment (3).
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102008018328.8A DE102008018328B4 (en) | 2008-04-11 | 2008-04-11 | Internally warmed medium line |
| DE102008018328.8 | 2008-04-11 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201496716U true CN201496716U (en) | 2010-06-02 |
Family
ID=41060549
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009201475407U Expired - Lifetime CN201496716U (en) | 2008-04-11 | 2009-04-08 | Internally heated medium conducting device |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN201496716U (en) |
| DE (1) | DE102008018328B4 (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2982325B1 (en) * | 2011-11-04 | 2015-02-06 | Peugeot Citroen Automobiles Sa | METHOD AND DEVICE FOR REINJECTING CARTER GASES FROM AN ENGINE |
| JP6522410B2 (en) | 2015-04-27 | 2019-05-29 | ヤンマー株式会社 | Engine equipment |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DD217301A1 (en) * | 1983-04-22 | 1985-01-09 | Inst Energieversorgung | METHOD FOR HEATING IMPULSE LINES |
| JP2003214131A (en) * | 2002-01-25 | 2003-07-30 | Toyota Motor Corp | Pcv device |
| DE102004031499B4 (en) * | 2004-06-30 | 2009-08-13 | Daimler Ag | Crankcase vent line |
-
2008
- 2008-04-11 DE DE102008018328.8A patent/DE102008018328B4/en not_active Expired - Fee Related
-
2009
- 2009-04-08 CN CN2009201475407U patent/CN201496716U/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| DE102008018328B4 (en) | 2015-12-03 |
| DE102008018328A1 (en) | 2009-10-15 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20100602 |