CN104863666A - Oil and gas separation channel structure of crank case as well as crank case assembly comprising structure - Google Patents
Oil and gas separation channel structure of crank case as well as crank case assembly comprising structure Download PDFInfo
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- CN104863666A CN104863666A CN201410327999.0A CN201410327999A CN104863666A CN 104863666 A CN104863666 A CN 104863666A CN 201410327999 A CN201410327999 A CN 201410327999A CN 104863666 A CN104863666 A CN 104863666A
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- Prior art keywords
- camshaft
- oil gas
- oil
- crankcase
- tunnel structure
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- 238000000926 separation method Methods 0.000 title claims abstract description 37
- 239000000203 mixture Substances 0.000 claims abstract description 23
- 238000007599 discharging Methods 0.000 claims abstract description 14
- 239000012530 fluid Substances 0.000 claims description 6
- 230000009286 beneficial effect Effects 0.000 abstract 1
- 239000003921 oil Substances 0.000 description 110
- 238000010586 diagram Methods 0.000 description 7
- 230000000694 effects Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000007789 sealing Methods 0.000 description 4
- 210000004907 gland Anatomy 0.000 description 3
- 230000008676 import Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000009423 ventilation Methods 0.000 description 2
- 230000002238 attenuated effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000012512 characterization method Methods 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000010721 machine oil Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
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
- F01M13/04—Crankcase ventilating or breathing having means for purifying air before leaving crankcase, e.g. removing oil
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
- F01L1/00—Valve-gear or valve arrangements, e.g. lift-valve gear
- F01L1/02—Valve drive
- F01L1/04—Valve drive by means of cams, camshafts, cam discs, eccentrics or the like
- F01L1/047—Camshafts
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
- F01L1/00—Valve-gear or valve arrangements, e.g. lift-valve gear
- F01L1/02—Valve drive
- F01L1/04—Valve drive by means of cams, camshafts, cam discs, eccentrics or the like
- F01L1/047—Camshafts
- F01L2001/0475—Hollow camshafts
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
- F01L2810/00—Arrangements solving specific problems in relation with valve gears
- F01L2810/02—Lubrication
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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
- F01M2013/0038—Layout of crankcase breathing systems
- F01M2013/005—Layout of crankcase breathing systems having one or more deoilers
- F01M2013/0061—Layout of crankcase breathing systems having one or more deoilers having a plurality of deoilers
- F01M2013/0072—Layout of crankcase breathing systems having one or more deoilers having a plurality of deoilers in series
-
- 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
- F01M2013/0422—Separating oil and gas with a centrifuge device
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Lubrication Details And Ventilation Of Internal Combustion Engines (AREA)
Abstract
The invention discloses an oil and gas separation channel structure of a crank case as well as a crank case assembly comprising the structure. The oil and gas separation channel structure of the crank case comprises a crank case body and a first cam shaft arranged in the crank case body, wherein the first cam shaft is a hollow cam shaft, first oil and gas inlets for inputting an oil and gas mixture are formed in the first end of the first cam shaft, multiple first side wall through holes are formed in the side wall and used for discharging oil separated during rotation of the first cam shaft, and first oil and gas outlets are formed in the second end of the first cam shaft and used for discharging an oil and gas mixture after preliminary oil and gas separation. According to the oil and gas separation channel structure of the crank case, oil and gas separation is performed through the hollow cam shaft, good separation of oil and gas in the crank case is realized under the condition that no equipment is required to be increased, the structure is simple, the cost is low, and the structure is beneficial to the compact design of an engine.
Description
Technical field
The present invention relates to technical field of engines, particularly relate to a kind of crankcase oil gas split tunnel structure and there is its crankcase assembly.
Background technique
Along with Engine Exhaust Emission requires strictly day by day, current crankcase ventilation system must be all enclosed circulation, gas blowby and machine oil gas all will be recycled to engine aspirating system, enter cylinder combustion to burn, will have high requirements for oil-gas separation efficiency like this, need as much as possible oil droplet all will be separated, otherwise motor can produce burn oil phenomenon, affects the unfailing performance of emission performance and motor.
In prior art, Oil-gas Separation is carried out for crankcase and mainly adopts two kinds of structures, one is employing baffle-type gas oil separation structure, and allow oil gas reach the object of separation oil and gas by passage mazy in engine cylinder cover, this structure oil-gas separation efficiency is not high.In the prior art labyrinth type oil gas separation structure shown in Fig. 1, oil gas mixture enters from passage left end, because oil droplet is different with gas density, due to effect of inertia in flowing, on the interior surface that larger oil droplet is adsorbed on separator or baffle plate, less oil droplet then may be taken out of separator with air-flow.Adopt this labyrinth type oil-gas split tunnel, oil gas separation depend on partition number, then increase the resistance of whole ventilation system too much, to reducing, the pressure of crankcase is unfavorable, and then oil-gas separation efficiency is low very little.And the efficiency of current this labyrinth type oil gas separation structure generally only has about 70%.
Another is that baffle-type gas oil separation structure adds a filter cartridge construction separator again, although separation effect is high like this, but because filter core needs periodic replacement, so the life-span is lower, and cost is high and complex structure, and above-mentioned structure is generally all independently installed on cylinder cover, such that the height of motor increases, cylinder head cover complex structure, be unfavorable for the compactedness design of motor.
Therefore, wish a kind of gas and oil separating plant to overcome or at least alleviate and address the aforementioned drawbacks.
Summary of the invention
The object of the present invention is to provide a kind of gas and oil separating plant to overcome or at least to alleviate in the above-mentioned defect of prior art one or more.
For achieving the above object, the invention provides a kind of crankcase oil gas split tunnel structure, described crankcase oil gas split tunnel structure comprises crankcase bodies, and the first camshaft be arranged in described crankcase bodies, wherein, described first camshaft is hollow camshaft, has the first oil gas entrance for inputting oil gas mixture at its first end place; With multiple the first side wall through hole on sidewall, for discharging isolated fluid when the first camshaft rotates; There is the first oil gas vent, for discharging the oil gas mixture after first Oil-gas Separation at the second end place of the first camshaft.
Preferably, the inwall of described first camshaft adopts rough surface.
Preferably, described crankcase oil gas split tunnel structure comprises the second camshaft further, and described second camshaft is hollow camshaft, has the second oil gas entrance be connected with the first oil gas vent of the first camshaft at its first end place; With multiple second lateral through aperture on the sidewall of described second camshaft, for discharging isolated fluid when the second camshaft rotates; At the second end place of the second camshaft, there is the second oil gas vent, for discharging the oil gas mixture after secondary oil gas is separated.
Preferably, the sense of rotation of described second camshaft is contrary with the sense of rotation of described first camshaft.
Preferably, the axis being parallel of described second camshaft is in the axis of described first camshaft.
Preferably, the first end of described second camshaft and the second end of described first camshaft are positioned at the first side place of described crankcase bodies, and the second end and the first end of described first camshaft of described second camshaft are positioned at the opposite side place relative with described first side of described crankcase bodies.
Preferably, the first oil gas vent being positioned at the second end place of the first camshaft is communicated to the second oil gas entrance at the first end place being positioned at the second camshaft by connecting passage, described connecting passage is straight passage, and the axial connecting line in the axle center of the axle center of its bearing of trend and the first camshaft and the second camshaft at an angle.
Preferably, described crankcase bodies has a circular trough in the second end periphery of described first camshaft, the axis of described circular trough and the dead in line of described first camshaft, and the first oil gas vent of described first camshaft is communicated with described circular trough, in the first end periphery of described second camshaft, there is another circular trough, the axis of another circular trough described and the dead in line of described second camshaft, and the second oil gas entrance of described second camshaft is communicated with another circular trough described, wherein, described connecting passage is communicated with described first circular trough and another circular trough described.
Preferably, first oil gas entrance of described first camshaft and the first oil gas vent are arranged on the sidewall at the respective end place of described first camshaft, and the second oil gas entrance of described second camshaft and the second oil gas vent are arranged on the sidewall at the respective end place of described second camshaft.
The present invention also provides a kind of crankcase assembly, and described crankcase assembly comprises crankcase oil gas split tunnel structure as above.
In crankcase oil gas split tunnel structure of the present invention, utilizing hollow camshaft to carry out Oil-gas Separation, when not needing increase equipment, realizing the good separation of oil gas in crankcase, structure is simple, and cost is low, and is conducive to the compact design of motor.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of labyrinth type oil gas separation structure of the prior art.
Fig. 2 is the schematic diagram of crankcase oil gas split tunnel structure according to a first embodiment of the present invention.
Fig. 3 is the schematic diagram of crankcase oil gas split tunnel structure according to a second embodiment of the present invention.
Fig. 4 is the schematic diagram of the oil gas of crankcase shown in Fig. 3 split tunnel structure.
Reference character:
| 1 | Crankcase bodies | 9 | Next door |
| 2 | First camshaft | 10 | Connecting passage |
| 3 | Stuffing box gland | 12 | Second camshaft |
| 4 | First oil gas entrance | 14 | Second oil gas entrance |
| 5 | The first side wall through hole | 15 | Second lateral through aperture |
| 6 | First oil gas vent | 16 | Second oil gas vent |
| 7 | First circular trough | 17 | 3rd circular trough |
| 8 | Second circular trough | 18 | 4th circular trough |
Embodiment
For making object of the invention process, technological scheme and advantage clearly, below in conjunction with the accompanying drawing in the embodiment of the present invention, the technological scheme in the embodiment of the present invention is further described in more detail.In the accompanying drawings, same or similar label represents same or similar element or has element that is identical or similar functions from start to finish.Described embodiment is the present invention's part embodiment, instead of whole embodiments.Be exemplary below by the embodiment be described with reference to the drawings, be intended to for explaining the present invention, and can not limitation of the present invention be interpreted as.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.Below in conjunction with accompanying drawing, embodiments of the invention are described in detail.
In describing the invention; it will be appreciated that; term " " center ", " longitudinal direction ", " transverse direction ", "front", "rear", "left", "right", " vertically ", " level ", " top ", " end " " interior ", " outward " etc. instruction orientation or position relationship be based on orientation shown in the drawings or position relationship; be only the present invention for convenience of description and simplified characterization; instead of instruction or imply indication device or element must have specific orientation, with specific azimuth configuration and operation, therefore can not be interpreted as limiting the scope of the invention.
Fig. 2 is the schematic diagram of crankcase oil gas split tunnel structure according to a first embodiment of the present invention.Crankcase oil gas split tunnel structure shown in Fig. 2 comprises: crankcase bodies 1 and the first camshaft 2.First camshaft 2 is supported on crankcase bodies 1, and can rotate with higher speed, and drives correspondingly structure motion.In fig. 2, the first camshaft 2 is arranged in crankcase bodies 1.Be understandable that, the first camshaft 2 can be arranged in crankcase bodies 1 completely, and part also can be had to be positioned at outside crankcase bodies 1, and this is all within protection scope of the present invention.
In order to carry out Oil-gas Separation, the first camshaft 2 is hollow camshaft, has the first oil gas entrance 4 for inputting oil gas mixture at its first end (left end in Fig. 2) place; With multiple the first side wall through hole 5 on the sidewall of the first camshaft 2, for discharging isolated fluid when the first camshaft rotates; There is the first oil gas vent 6, for discharging the oil gas mixture after first Oil-gas Separation at the second end (right-hand member in Fig. 2) place of the first camshaft.The shape of the first oil gas entrance 4, the first side wall through hole 5 and the first oil gas vent 6, size, quantity and arrangement mode can be arranged as required.
In the embodiment shown in Figure 2, the first oil gas entrance 4 and the first oil gas vent 6 are radial passage, and its bearing of trend is perpendicular to the central axis of the first camshaft 2.Advantageously, as shown in Figure 2, the first oil gas entrance 4 and the first oil gas vent 6 are circular hole, and, the quantity of the first oil gas entrance 4 and the first oil gas vent 6 can be set to 4, and namely the first oil gas entrance 4 and the first oil gas vent 6 comprise four uniform in the circumferential through holes separately.
For the ease of the sealing of oil gas mixture, the two ends place of the first camshaft 2 is provided with stuffing box gland 3.Be understandable that, the two ends of other sealing configurations to the first camshaft 2 of hollow also can be adopted to seal.In the illustrated embodiment, the first oil gas entrance of the first camshaft and the first oil gas vent are arranged on the sidewall at respective end place of the first camshaft.Be understandable that, on the end wall that the first oil gas entrance and the first oil gas vent also can be arranged on the first camshaft or end cap (not shown).
For the ease of input and the output of oil gas mixture, position corresponding with the first oil gas entrance 4 and the first oil gas vent 6 on crankcase bodies 1 is respectively arranged with the first circular trough 7 and the second circular trough 8.By needing the oil gas mixture carrying out Oil-gas Separation to import in described first circular trough 7, then entering the first camshaft 2 by the first oil gas entrance 4 inner, carrying out Oil-gas Separation.Finally, the gas mixture through Oil-gas Separation is directed to the second circular trough 8 and is exported the first camshaft 2.First circular trough 7 and the second circular trough 8 coordinate with the outer wall of the first camshaft and form circular groove.
In order to improve the effect of Oil-gas Separation, advantageously, the inwall of the first camshaft 2 adopts rough surface.So that drive oil gas mixture to rotate with the first camshaft, and carry out centrifugal Oil-gas Separation.
Fig. 3 is the schematic diagram of crankcase oil gas split tunnel structure according to a second embodiment of the present invention.Fig. 4 is the schematic diagram of the oil gas of crankcase shown in Fig. 3 split tunnel structure.
In a second embodiment, crankcase oil gas split tunnel structure, outside the first camshaft 2, also comprises the second camshaft 12.The first camshaft is in a second embodiment identical with the first embodiment, is also quill shaft, no longer carries out repeat specification at this.
Second camshaft 12 and the first camshaft 2 broadly similar, but its inlet end is contrary with the first camshaft 2 with outlet side.Specifically, the second camshaft 12 is hollow camshaft, has the second oil gas entrance 14 for inputting oil gas mixture at its first end (right-hand member in Fig. 3) place; With multiple second lateral through aperture 15 on the sidewall of the second camshaft 12, for discharging isolated fluid when the second camshaft 12 rotates; At the second end (left end in Fig. 3) place of the second camshaft, there is the second oil gas vent 16, for discharging the oil gas mixture after secondary oil gas is separated.The shape of the second oil gas entrance 14, second lateral through aperture 15 and the second oil gas vent 16, size, quantity and arrangement mode can be arranged as required.
In the embodiment shown in fig. 3, the second oil gas entrance 14 and the second oil gas vent 16 are radial passage, and its bearing of trend is perpendicular to the central axis of the second camshaft 12.Advantageously, as shown in Figure 3, second oil gas entrance 14 and the second oil gas vent 16 are circular hole, and, the quantity of the second oil gas entrance 14 and the second oil gas vent 16 can be set to 4 (see Fig. 4). and that is, the second oil gas entrance 14 and the second oil gas vent 16 comprise four through holes uniform in the circumferential separately.
For the ease of the sealing of oil gas mixture, be also provided with stuffing box gland at the two ends place of the second camshaft 12.Be understandable that, the two ends of other sealing configurations to the first camshaft 2 of hollow also can be adopted to seal.
For the ease of input and the output of oil gas mixture, position corresponding with the second oil gas entrance 14 and the second oil gas vent 16 on crankcase bodies 1 is respectively arranged with the 3rd circular trough 17 and the 4th circular trough 18.Import in described 3rd circular trough 17 by needing the oil gas mixture (through the process of the first camshaft) carrying out secondary oil gas separation through connecting passage 10, then enter the second camshaft 12 by the second oil gas entrance 14 inner, carry out Oil-gas Separation.Finally, the gas mixture through Oil-gas Separation is directed to the 4th circular trough 18 and is exported the second camshaft 12.Similar with the first camshaft, the inwall of the second camshaft 12 adopts rough surface.So that drive oil gas mixture to rotate with the first camshaft, and carry out centrifugal Oil-gas Separation.
In order to improve oil gas separation, the sense of rotation of the second camshaft 12 is set to contrary with the sense of rotation of the first camshaft 2.When mixed gas enters into the second camshaft from the first camshaft time, because large reverse occurs mixed gas rotation direction, the effect of liquidating is the most remarkable, and thus the Oil-gas Separation of maximal efficiency will occur in this position.The inverse opposite direction collisions of revolving in this stage is separated, and belongs to the decay of central collision momentum.From the mixed gas that the first camshaft flows out with speed V1=r θ, front knocks the second camshaft that rotating speed is V2=r ω, moment, relative striking speed was V=r θ+r ω, now the momentum of oil droplet is that mr (θ+ω) attenuated in the extremely short time, be equivalent to great power, drop pressure is attached on wall, form oil film and then got rid of formation oil return.
In the embodiment shown in fig. 3, the axis being parallel of the second camshaft 12 is in the axis of the first camshaft 2.Be understandable that, the axis of the second camshaft 12 can also with the axis of the first camshaft 2 at an angle, or mutually vertical, these variants are all within protection scope of the present invention.
See Fig. 3, the first end of the second camshaft 12 and the second end of the first camshaft 2 are positioned at the first side (right side) place of crankcase bodies 1.Second end and the first end of the first camshaft 2 of the second camshaft 12 are positioned at opposite side (left side) place relative with described first side of crankcase bodies 1.
The first oil gas vent 6 being positioned at the second end place of the first camshaft 2 is communicated to the second oil gas entrance 14 at the first end place being positioned at the second camshaft 12 by connecting passage 10.In the illustrated embodiment, connecting passage 10 is straight passage, and the axial connecting line in the axle center of the axle center of its bearing of trend and the first camshaft 2 and the second camshaft 12 at an angle (see Fig. 4).
The axis of the second circular trough 8 and the dead in line of the first camshaft 2, and the first oil gas vent 6 of the first camshaft 2 is communicated with the second circular trough 8.The axis of the 3rd circular trough 17 and the dead in line of the second camshaft 12, and the second oil gas entrance of the second camshaft 12 is communicated with the 3rd circular trough 17.Connecting passage 10 is communicated with described second circular trough 8 and the 3rd circular trough 17.Above-mentioned crankcase oil gas split tunnel structure is used for crankcase assembly, make crankcase that original camshaft can be utilized (to need to carry out structure of modification to camshaft, but installation dimension does not have remarkable increase) carry out Oil-gas Separation, make the structure of crankcase assembly simple, compact thus.Finally it is to be noted: above embodiment only in order to technological scheme of the present invention to be described, is not intended to limit.Although with reference to previous embodiment to invention has been detailed description, those of ordinary skill in the art is to be understood that: it still can be modified to the technological scheme described in foregoing embodiments, or carries out equivalent replacement to wherein portion of techniques feature; And these amendments or replacement, do not make the essence of appropriate technical solution depart from the spirit and scope of various embodiments of the present invention technological scheme.
Claims (10)
1. a crankcase oil gas split tunnel structure, comprises crankcase bodies, and is arranged on the first camshaft in described crankcase bodies, it is characterized in that,
Described first camshaft is hollow camshaft, has the first oil gas entrance for inputting oil gas mixture at its first end place; With multiple the first side wall through hole on sidewall, for discharging isolated fluid when the first camshaft rotates; There is the first oil gas vent, for discharging the oil gas mixture after first Oil-gas Separation at the second end place of the first camshaft.
2. crankcase oil gas split tunnel structure as claimed in claim 1, is characterized in that, the inwall of described first camshaft adopts rough surface.
3. crankcase oil gas split tunnel structure as claimed in claim 1, it is characterized in that, comprise the second camshaft further, described second camshaft is hollow camshaft, has the second oil gas entrance be connected with the first oil gas vent of the first camshaft at its first end place; With multiple second lateral through aperture on the sidewall of described second camshaft, for discharging isolated fluid when the second camshaft rotates; At the second end place of the second camshaft, there is the second oil gas vent, for discharging the oil gas mixture after secondary oil gas is separated.
4. crankcase oil gas split tunnel structure as claimed in claim 3, it is characterized in that, the sense of rotation of described second camshaft is contrary with the sense of rotation of described first camshaft.
5. crankcase oil gas split tunnel structure as claimed in claim 3, it is characterized in that, the axis being parallel of described second camshaft is in the axis of described first camshaft.
6. crankcase oil gas split tunnel structure as claimed in claim 5, it is characterized in that, the first end of described second camshaft and the second end of described first camshaft are positioned at the first side place of described crankcase bodies, and the second end and the first end of described first camshaft of described second camshaft are positioned at the opposite side place relative with described first side of described crankcase bodies.
7. crankcase oil gas split tunnel structure as claimed in claim 6, it is characterized in that, the first oil gas vent being positioned at the second end place of the first camshaft is communicated to the second oil gas entrance at the first end place being positioned at the second camshaft by connecting passage, described connecting passage is straight passage, and the axial connecting line in the axle center of the axle center of its bearing of trend and the first camshaft and the second camshaft at an angle.
8. crankcase oil gas split tunnel structure as claimed in claim 7, is characterized in that,
Described crankcase bodies has a circular trough in the second end periphery of described first camshaft, the axis of described first circular trough and the dead in line of described first camshaft, and the first oil gas vent of described first camshaft is communicated with described circular trough,
Described crankcase bodies has another circular trough in the first end periphery of described second camshaft, the axis of another circular trough described and the dead in line of described second camshaft, and the second oil gas entrance of described second camshaft is communicated with another circular trough described,
Wherein, described connecting passage is communicated with a described circular trough and another circular trough described.
9. crankcase oil gas split tunnel structure as claimed in claim 8, it is characterized in that, first oil gas entrance of described first camshaft and the first oil gas vent are arranged on the sidewall at the respective end place of described first camshaft, and the second oil gas entrance of described second camshaft and the second oil gas vent are arranged on the sidewall at the respective end place of described second camshaft.
10. a crankcase assembly, is characterized in that, comprises crankcase oil gas split tunnel structure as claimed in any one of claims 1-9 wherein.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410327999.0A CN104863666B (en) | 2014-07-10 | 2014-07-10 | A kind of crankcase Oil-gas Separation channel design and the crankcase assembly with it |
| PCT/CN2015/070771 WO2016004750A1 (en) | 2014-07-10 | 2015-01-15 | Oil-gas separation channel structure for crankcase, and crankcase assembly provided with same |
| DE112015003205.3T DE112015003205B4 (en) | 2014-07-10 | 2015-01-15 | Crankcase oil separation duct structure and crankcase assembly with the same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410327999.0A CN104863666B (en) | 2014-07-10 | 2014-07-10 | A kind of crankcase Oil-gas Separation channel design and the crankcase assembly with it |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104863666A true CN104863666A (en) | 2015-08-26 |
| CN104863666B CN104863666B (en) | 2017-08-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410327999.0A Active CN104863666B (en) | 2014-07-10 | 2014-07-10 | A kind of crankcase Oil-gas Separation channel design and the crankcase assembly with it |
Country Status (3)
| Country | Link |
|---|---|
| CN (1) | CN104863666B (en) |
| DE (1) | DE112015003205B4 (en) |
| WO (1) | WO2016004750A1 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106224057A (en) * | 2016-10-08 | 2016-12-14 | 湖南大学 | A kind of rebreather of engine system |
| CN113389617A (en) * | 2021-07-30 | 2021-09-14 | 广西玉柴机器股份有限公司 | Control method for crankcase pressure of electric drive oil-gas separator |
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| US4876916A (en) * | 1986-12-18 | 1989-10-31 | Von Roll, Ag | Cast shafts, particularly camshafts |
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| CN202578838U (en) * | 2012-03-29 | 2012-12-05 | 浙江吉利汽车研究院有限公司 | Oil-gas separator of car |
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| JPS61175213A (en) | 1985-01-30 | 1986-08-06 | Honda Motor Co Ltd | Breather device in cam casing in engine |
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2014
- 2014-07-10 CN CN201410327999.0A patent/CN104863666B/en active Active
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2015
- 2015-01-15 WO PCT/CN2015/070771 patent/WO2016004750A1/en active Application Filing
- 2015-01-15 DE DE112015003205.3T patent/DE112015003205B4/en active Active
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|---|---|---|---|---|
| US1469063A (en) * | 1920-11-12 | 1923-09-25 | Wills Childe Harold | Oil-feeding means |
| US4876916A (en) * | 1986-12-18 | 1989-10-31 | Von Roll, Ag | Cast shafts, particularly camshafts |
| CN101270683A (en) * | 2007-10-30 | 2008-09-24 | 重庆长安汽车股份有限公司 | Gas oil separation structure of internal combustion engine crankcase ventilation system |
| CN201526354U (en) * | 2010-02-23 | 2010-07-14 | 北京福田康明斯发动机有限公司 | Crankcase ventilation system for an engine and an engine |
| CN202578838U (en) * | 2012-03-29 | 2012-12-05 | 浙江吉利汽车研究院有限公司 | Oil-gas separator of car |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106224057A (en) * | 2016-10-08 | 2016-12-14 | 湖南大学 | A kind of rebreather of engine system |
| CN113389617A (en) * | 2021-07-30 | 2021-09-14 | 广西玉柴机器股份有限公司 | Control method for crankcase pressure of electric drive oil-gas separator |
Also Published As
| Publication number | Publication date |
|---|---|
| DE112015003205T5 (en) | 2017-04-06 |
| CN104863666B (en) | 2017-08-04 |
| DE112015003205B4 (en) | 2022-10-06 |
| WO2016004750A1 (en) | 2016-01-14 |
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Denomination of invention: The utility model relates to a crankcase oil-gas separation channel structure and a crankcase assembly with the same Effective date of registration: 20211213 Granted publication date: 20170804 Pledgee: BEIJING AUTOMOTIVE GROUP Co.,Ltd. Pledgor: Beijing baowo Automobile Co.,Ltd. Registration number: Y2021990001167 |
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