CN202273728U - Oil-gas separation device of engine - Google Patents
Oil-gas separation device of engine Download PDFInfo
- Publication number
- CN202273728U CN202273728U CN2011203888882U CN201120388888U CN202273728U CN 202273728 U CN202273728 U CN 202273728U CN 2011203888882 U CN2011203888882 U CN 2011203888882U CN 201120388888 U CN201120388888 U CN 201120388888U CN 202273728 U CN202273728 U CN 202273728U
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- oil
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- gas
- inner chamber
- lower shell
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- 238000000926 separation method Methods 0.000 title abstract description 14
- 238000001914 filtration Methods 0.000 claims abstract description 13
- 238000009434 installation Methods 0.000 claims description 9
- 230000000694 effects Effects 0.000 abstract description 9
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 230000001105 regulatory effect Effects 0.000 abstract 3
- 238000012806 monitoring device Methods 0.000 abstract 1
- 230000002265 prevention Effects 0.000 abstract 1
- 239000003921 oil Substances 0.000 description 47
- 239000007789 gas Substances 0.000 description 37
- 230000005484 gravity Effects 0.000 description 5
- 238000009423 ventilation Methods 0.000 description 4
- 230000002159 abnormal effect Effects 0.000 description 2
- 238000013475 authorization Methods 0.000 description 2
- 238000002485 combustion reaction Methods 0.000 description 2
- 238000003745 diagnosis Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 230000002950 deficient Effects 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 239000010687 lubricating oil Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000003595 mist Substances 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000003449 preventive effect Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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- Lubrication Details And Ventilation Of Internal Combustion Engines (AREA)
Abstract
The utility model provides an oil-gas separation device of engine, including last casing, filter element group spare and lower casing, the both ends of going up the casing are connected with top cap, lower casing respectively, the inner chamber of lower casing is provided with filter element group spare and oil return opening respectively with the lower extreme, the position joint of the nearly top cap in upper casing inner chamber upper end has the pressure regulating diaphragm, the middle part of pressure regulating diaphragm passes through pressure regulating spring in proper order with the outlet duct, the gas outlet communicates with each other, the air inlet communicates with each other with lower casing inner chamber through the intake pipe, the handing-over department of intake pipe and lower casing shell wall is provided with pressure sensor, the filter element group spare includes the upper end cover, filtering layer and lower end cover, be provided with horizontal handle on the upper end cover, the lower extreme of lower end cover is connected with the location arch that lower casing inner chamber lower extreme set up. The design not only has the monitoring device of the filter element assembly and oil return prevention measures, but also is beneficial to improving the oil-gas separation effect and effectively protecting the engine.
Description
Technical field
The utility model relates to a kind of gas and oil separating plant, relates in particular to a kind of gas and oil separating plant of motor, specifically is applicable to the oil gas in the motor closed crankcase is separated.
Background technique
Along with the requirement of automobile emission regulation is more and more stricter, also increasingly high to the requirement of engine crankshaft ventilation system, this makes closed crankcase ventilation system become a kind of trend.The working principle of closed crankcase ventilation system is: the oil gas that crankcase comes out gets into through the deaerator suction port; Carry out Oil-gas Separation through filter core; Clean air gets into engine aspirating system again through the deaerator air outlet and carries out secondary combustion; The oil of separating gets into engine sump tank under the effect of gravity and water conservancy diversion, thereby reduces the pollution to atmosphere, reduces consumption of lubricating oil simultaneously.
Though the deaerator that uses at present is of a great variety, structure is different, its basic structure includes housing and element kit, and the side of housing is provided with air input joint and air outlet adapter, and the lower end is provided with back leakage connection, and inner chamber is provided with element kit.But there is following shortcoming in this kind deaerator:
1, the air input joint in this deaerator is positioned at the top of air outlet adapter, and when Oil-gas Separation, because the effect of gravity, isolated oil droplet moves downward, and is consistent with the moving direction of separating back gas, thereby can reduce Oil-gas Separation efficient.
2, this deaerator is not provided with supporting supervisory device to element kit, when the filtering layer of element kit is stopped up by oil and can't proper functioning the time, this situation just be difficult for being known; Also just can't be in time renew cartridge more, and when filtering layer was blocked, what oil-containing gases pressure can become in housing and the element kit inner chamber was excessive; Excessive pressure can back down housing top; Thereby cause oil-containing gases to leak in the atmosphere, not only pollute the environment, and can influence the proper functioning of motor.
3, this deaerator is not provided with oil return control device; Thereby the suck-back of return opening there are not preventive measure; In case return line does not design or the neglected loading one-way valve; Suck-back will take place in the oil gas in the crankcase or the oil of oil sump, and will influence separating effect this moment, and the proper functioning that can influence motor is set when serious.
The Chinese patent notice of authorization number is CN201738984U, and notice of authorization day is the gas and oil separating plant that the utility model patent on February 9th, 2011 discloses a kind of motor, and this gas and oil separating plant comprises housing, suction port, air outlet, return opening; Wherein this gas and oil separating plant also comprises dividing plate; This dividing plate is separated into epicoele and cavity of resorption with the inside of said housing, and said suction port is communicated with the top of said cavity of resorption, and said air outlet is communicated with the top of said epicoele; Said return opening is positioned at the bottom of said cavity of resorption; The downside of said housing has first pipe, and said epicoele and cavity of resorption are communicated with through this first pipe, have filter core in the said epicoele.Though this model utility has been adjusted the upper-lower position of air outlet and suction port; Make the air outlet be higher than suction port; Improved the rationality of structure, thereby improved separating effect to a certain extent, but it is for all the other problems of the prior art; As the supervisory device of element kit, anti-oil return measure etc. are not set, still do not solve.
Summary of the invention
The purpose of the utility model is defective and the problem that overcomes the supervisory device that element kit is not set that exists in the existing technology, anti-oil return measure, a kind of supervisory device with element kit is provided, has anti-oil return measure, can improves the gas and oil separating plant of the motor of oil gas separation.
For realizing above purpose; The technical solution of the utility model is: a kind of gas and oil separating plant of motor; Comprise upper shell, element kit and lower shell body; The two ends of said upper shell are connected with top cover, lower shell body respectively, and the inner chamber of lower shell body and lower end are respectively arranged with element kit and return opening, and have the outer installment of air outlet, lower shell body that suction port is arranged in the outer installment of upper shell;
The position of the nearly top cover in said upper shell inner chamber upper end is connected with voltage regulation diaphragm; The middle part of voltage regulation diaphragm is connected with pressure adjusting spring; The other end of pressure adjusting spring is connected with spring support on being arranged on steam outlet pipe; One end of steam outlet pipe communicates with the air outlet, and the other end extends to the inside of pressure adjusting spring, and the position of said air outlet is higher than the position of suction port.
Said steam outlet pipe is a L type structure; The diameter of said upper shell is greater than the diameter of lower shell body, and the Placement between upper shell, the lower shell body is for being threaded.
Said suction port communicates with an end of suction tude, and the other end of suction tude extends to lower housing cavity and towards element kit, the jointing place of shell wall is provided with installation base on suction tude and the lower shell body, and installation base is provided with pressure transducer.
Said element kit comprises upper end cap, filtering layer and lower end cap; One end of said upper end cap is provided with Level handle; Be provided with filtering layer between the other end and the lower end cap; The other end of lower end cap is connected with the positioning convex that the lower housing cavity lower end is provided with, and the contacted position of shell wall is provided with the O RunddichtringO on upper end cap, lower end cap and lower shell body.
Be connected with back leakage connection on the said return opening, and between the interior resonator end surface of back leakage connection and return opening, be provided with unidirectional diaphragm.
The inner chamber of said back leakage connection is provided with oil-discharge trough.
Placement between said back leakage connection and the lower shell body is for being threaded or interference fit.
Compared with prior art, the beneficial effect of the utility model is:
1, the outer installment at upper shell has the outer installment of air outlet, lower shell body that suction port is arranged in the gas and oil separating plant of a kind of motor of the utility model; The air outlet is higher than suction port; Under the effect of gravity, isolated oil droplet can not mix with gas once more, helps improving separating effect; And; The utility model upper shell is provided with regulator; Comprise voltage regulation diaphragm, pressure adjusting spring and steam outlet pipe, during use, steam outlet pipe closed or opened to regulator can automatically according to the difference of upper shell internal pressure; Thereby guarantee that outlet side pressure and inlet end pressure (crankcase pressure) maintain in the scope that needs, and then effectively protect motor; In addition, voltage regulation diaphragm and steam outlet pipe provide impact force can also for the gas move upward, carrying out the secondary Oil-gas Separation, thereby further improve oil gas separation.Therefore the utility model not only helps improving oil gas separation, and can effectively protect motor.
2, the jointing place of suction tude and lower shell body shell wall is provided with installation base in the gas and oil separating plant of a kind of motor of the utility model; Installation base is provided with pressure transducer; During use; Can the gas pressure in lower housing cavity, element kit inner chamber and the steam outlet pipe in time be fed back to ECU through pressure transducer, make fault diagnosis or warning by ECU again, thus timely renew cartridge more; In addition,, can also carry out immediately monitoring, thereby judge whether abnormal work of motor the pressure in the crankcase through pressure transducer, so that in time find, and effectively protect motor.Therefore the utility model not only has the supervisory device of element kit, and can effectively protect motor.
3, on return opening, be connected with back leakage connection in the gas and oil separating plant of a kind of motor of the utility model; Be provided with unidirectional diaphragm between the interior resonator end surface of back leakage connection and the return opening; During use, the annexation between return opening and the back leakage connection inner chamber closed or opened to unidirectional diaphragm can according to the difference of pressure at two ends about it; Thereby effectively prevent oil gas or the oil in the oil sump in the crankcase by suck-back, and then guarantee the proper functioning of motor.Therefore the utility model not only has anti-oil return measure, and can effectively protect motor.
Description of drawings
Fig. 1 is the structural representation of the utility model.
Fig. 2 be among Fig. 1 back leakage connection at the sectional view of A – A direction.
Among the figure: upper shell 1, top cover 11, voltage regulation diaphragm 12, pressure adjusting spring 13, spring support 14, element kit 2, upper end cap 21, filtering layer 22, lower end cap 23, Level handle 24, lower shell body 3, positioning convex 31, O RunddichtringO 32, shell wall 33, return opening 4, back leakage connection 41, interior resonator end surface 42, unidirectional diaphragm 43, oil-discharge trough 44, air outlet 5, steam outlet pipe 51, suction port 6, suction tude 61, installation base 62, pressure transducer 63.
Embodiment
Below in conjunction with description of drawings and embodiment the utility model is done further detailed explanation.
Referring to figure 1 – Fig. 2; A kind of gas and oil separating plant of motor; Comprise upper shell 1, element kit 2 and lower shell body 3; The two ends of said upper shell 1 are connected with top cover 11, lower shell body 3 respectively, and the inner chamber of lower shell body 3 and lower end are respectively arranged with element kit 2 and return opening 4, and have the outer installment of air outlet 5, lower shell body 3 that suction port 6 is arranged in the outer installment of upper shell 1;
The position of the nearly top cover 11 in said upper shell 1 inner chamber upper end is connected with voltage regulation diaphragm 12; The middle part of voltage regulation diaphragm 12 is connected with pressure adjusting spring 13; The other end of pressure adjusting spring 13 is connected with spring support 14 on being arranged on steam outlet pipe 51; One end of steam outlet pipe 51 communicates with air outlet 5, and the other end extends to the inside of pressure adjusting spring 13, and the position of said air outlet 5 is higher than the position of suction port 6.
Said steam outlet pipe 51 is a L type structure; The diameter of said upper shell 1 is greater than the diameter of lower shell body 3, and the Placement between upper shell 1, the lower shell body 3 is for being threaded.
Said suction port 6 communicates with an end of suction tude 61; The other end of suction tude 61 extends to lower shell body 3 inner chambers and towards element kit 2; The jointing place of shell wall 33 is provided with installation base 62 on suction tude 61 and the lower shell body 3, and installation base 62 is provided with pressure transducer 63.
Said element kit 2 comprises upper end cap 21, filtering layer 22 and lower end cap 23; One end of said upper end cap 21 is provided with Level handle 24; Be provided with filtering layer 22 between the other end and the lower end cap 23; The other end of lower end cap 23 is connected with the positioning convex 31 that lower shell body 3 inner chamber lower ends are provided with, and shell wall 33 contacted positions are provided with O RunddichtringO 32 on upper end cap 21, lower end cap 23 and lower shell body 3.
Be connected with back leakage connection 41 on the said return opening 4, and between the interior resonator end surface 42 of back leakage connection 41 and return opening 4, be provided with unidirectional diaphragm 43.
The inner chamber of said back leakage connection 41 is provided with oil-discharge trough 44.
Placement between said back leakage connection 41 and the lower shell body 3 is for being threaded or interference fit.
During use, suction port 6 is connected to engine crankcase ventilation air outlet, and air outlet 5 is connected to engine aspirating system; Back leakage connection 41 is connected to engine cylinder-body or oil sump, and during engine operation, the fuel-air mixture that produces in the crankcase is introduced into lower shell body 3 inner chambers through suction port 6; Get into element kit 2 again, through element kit 2 time, oil ingredient is condensed into larger oil droplet after being adsorbed by filtering layer 22; Flow to unidirectional diaphragm 43 through filtering layer 22, return opening 4 successively, under the effect of gravity, open unidirectional diaphragm 43; The unidirectional diaphragm 43 and the interior resonator end surface 42 of back leakage connection 41 are fitted, and the oil-discharge trough in back leakage connection 41 44 flows out then, finally gets back to oil sump; Wherein, when unidirectional diaphragm 43 receives upwards power greater than downward power, unidirectional diaphragm 43 will be fitted with return opening 4, thereby prevent that effectively oil gas or the oil in the oil sump in the crankcase from by suck-back, influencing the proper functioning of motor; The gas component is through behind the element kit 2; Under the suction function of gas handling system; Move upward and impact the wall and the voltage regulation diaphragm 12 of steam outlet pipe 51, make the mist of oil in the gas component carry out secondary separation, the oil after the separation is finally got back to oil sump again under action of gravity; Gas is 5 entering engine aspirating systems participation secondary combustion through the air outlet, have so just improved Oil-gas Separation efficient.
In such scheme; 5 places, air outlet on upper shell 1 also are provided with regulator; This regulator comprises voltage regulation diaphragm 12, pressure adjusting spring 13 and spring support 14, and when the negative pressure of engine aspirating system generation reached setting value, voltage regulation diaphragm 12 will compress pressure adjusting spring 13; Thereby fit with the end face of steam outlet pipe 51, and then close outlet passageway; When the deaerator internal pressure increased to setting value, voltage regulation diaphragm 12 was backed down by pressure adjusting spring 13, thereby the end face of voltage regulation diaphragm 12 with steam outlet pipe 51 separated, and then opened outlet passageway; Through regulator give vent to anger end pressure and inlet end pressure (crankcase pressure) are maintained in the scope that needs like this, thereby effectively protect motor.
After the long-time use of the present invention; When the filtering layer of element kit 2 22 is stopped up by oil and can't proper functioning the time; To cause the gas pressure in inner chamber, suction tude 61 and element kit 2 inner chambers of lower shell body 3 excessive; This pressure condition can in time feed back to ECU through pressure transducer 63, makes fault diagnosis by ECU again, in time renew cartridge more; Simultaneously, can be according to overpressure or low excessively, judge whether abnormal work of motor, in time pinpoint the problems, thereby effectively protect motor.
In sum, the utility model is a kind of integrated gas and oil separating plant that carries pressure regulator, element kit supervisory device and anti-oil return measure, and not only separation effect is higher, and can make the operation of motor more reliable.
Claims (7)
1. the gas and oil separating plant of a motor; Comprise upper shell (1), element kit (2) and lower shell body (3); The two ends of said upper shell (1) are connected with top cover (11), lower shell body (3) respectively; The inner chamber of lower shell body (3) and lower end are respectively arranged with element kit (2) and return opening (4), and have the outer installment of air outlet (5), lower shell body (3) that suction port (6) is arranged in the outer installment of upper shell (1), it is characterized in that:
The position of the nearly top cover (11) in said upper shell (1) inner chamber upper end is connected with voltage regulation diaphragm (12); The middle part of voltage regulation diaphragm (12) is connected with pressure adjusting spring (13); The other end of pressure adjusting spring (13) is connected with spring support (14) on being arranged on steam outlet pipe (51); One end of steam outlet pipe (51) communicates with air outlet (5), and the other end extends to the inside of pressure adjusting spring (13); The position of said air outlet (5) is higher than the position of suction port (6).
2. the gas and oil separating plant of a kind of motor according to claim 1 is characterized in that: said steam outlet pipe (51) is L type structure; The diameter of said upper shell (1) is greater than the diameter of lower shell body (3), and the Placement between upper shell (1), the lower shell body (3) is for being threaded.
3. the gas and oil separating plant of a kind of motor according to claim 1 and 2; It is characterized in that: said suction port (6) communicates with an end of suction tude (61); The other end of suction tude (61) extends to lower shell body (3) inner chamber and towards element kit (2); Suction tude (61) is provided with installation base (62) with the jointing place that lower shell body (3) is gone up shell wall (33), and installation base (62) is provided with pressure transducer (63).
4. the gas and oil separating plant of a kind of motor according to claim 1 and 2; It is characterized in that: said element kit (2) comprises upper end cap (21), filtering layer (22) and lower end cap (23); One end of said upper end cap (21) is provided with Level handle (24); Be provided with filtering layer (22) between the other end and the lower end cap (23); The other end of lower end cap (23) is connected with the positioning convex (31) that lower shell body (3) inner chamber lower end is provided with, and upward is provided with O RunddichtringO (32) in the contacted position of shell wall (33) at upper end cap (21), lower end cap (23) with lower shell body (3).
5. the gas and oil separating plant of a kind of motor according to claim 1 and 2; It is characterized in that: be connected with back leakage connection (41) on the said return opening (4), and between the interior resonator end surface (42) of back leakage connection (41) and return opening (4), be provided with unidirectional diaphragm (43).
6. the gas and oil separating plant of a kind of motor according to claim 5, it is characterized in that: the inner chamber of said back leakage connection (41) is provided with oil-discharge trough (44).
7. the gas and oil separating plant of a kind of motor according to claim 5 is characterized in that: the Placement between said back leakage connection (41) and the lower shell body (3) is for being threaded or interference fit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203888882U CN202273728U (en) | 2011-10-13 | 2011-10-13 | Oil-gas separation device of engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203888882U CN202273728U (en) | 2011-10-13 | 2011-10-13 | Oil-gas separation device of engine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202273728U true CN202273728U (en) | 2012-06-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011203888882U Expired - Lifetime CN202273728U (en) | 2011-10-13 | 2011-10-13 | Oil-gas separation device of engine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202273728U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111120043A (en) * | 2019-12-31 | 2020-05-08 | 汉格斯特滤清***(昆山)有限公司 | Oil-gas separator |
| CN112392573A (en) * | 2019-08-15 | 2021-02-23 | 中国船舶重工集团公司第七一一研究所 | Oil-gas separation device suitable for high intake vacuum degree and diesel engine |
-
2011
- 2011-10-13 CN CN2011203888882U patent/CN202273728U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112392573A (en) * | 2019-08-15 | 2021-02-23 | 中国船舶重工集团公司第七一一研究所 | Oil-gas separation device suitable for high intake vacuum degree and diesel engine |
| CN111120043A (en) * | 2019-12-31 | 2020-05-08 | 汉格斯特滤清***(昆山)有限公司 | Oil-gas separator |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: DONGFENG COMMERCIAL VEHICLE CO., LTD. Free format text: FORMER OWNER: DONGFENG AUTOMOBILE CO., LTD. Effective date: 20130906 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 430056 WUHAN, HUBEI PROVINCE TO: 442001 SHIYAN, HUBEI PROVINCE |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20130906 Address after: 442001 Shiyan City, Hubei province city Zhangwan District Road No. 2 Patentee after: DONGFENG TRUCKS Co.,Ltd. Address before: 430056 Dongfeng Road, Wuhan Economic Development Zone, Hanyang District, Hubei, China, No. 10, No. Patentee before: DONGFENG MOTER Co.,Ltd. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120613 |