CN205910000U - Engine oil gas separator test device - Google Patents
Engine oil gas separator test device Download PDFInfo
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- CN205910000U CN205910000U CN201620841086.5U CN201620841086U CN205910000U CN 205910000 U CN205910000 U CN 205910000U CN 201620841086 U CN201620841086 U CN 201620841086U CN 205910000 U CN205910000 U CN 205910000U
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- 238000012360 testing method Methods 0.000 title abstract description 31
- 239000010705 motor oil Substances 0.000 title abstract 3
- 239000003921 oil Substances 0.000 claims abstract description 185
- 239000003595 mist Substances 0.000 claims abstract description 131
- 238000001514 detection method Methods 0.000 claims abstract description 99
- 239000010721 machine oil Substances 0.000 claims abstract description 71
- 239000002245 particle Substances 0.000 claims abstract description 26
- 238000010438 heat treatment Methods 0.000 claims abstract description 4
- 239000010687 lubricating oil Substances 0.000 claims description 10
- 230000007246 mechanism Effects 0.000 claims description 9
- 238000001914 filtration Methods 0.000 claims description 7
- 239000012780 transparent material Substances 0.000 claims description 4
- 238000010992 reflux Methods 0.000 claims description 3
- 238000007689 inspection Methods 0.000 claims 1
- 238000013461 design Methods 0.000 abstract description 8
- 238000000926 separation method Methods 0.000 description 15
- 238000000034 method Methods 0.000 description 6
- 238000012986 modification Methods 0.000 description 5
- 230000004048 modification Effects 0.000 description 5
- 230000008859 change Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000002474 experimental method Methods 0.000 description 3
- 238000012795 verification Methods 0.000 description 3
- 238000002485 combustion reaction Methods 0.000 description 2
- 238000010998 test method Methods 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 239000000295 fuel oil Substances 0.000 description 1
- 230000008450 motivation Effects 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
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Abstract
The utility model relates to an engine oil gas separator technical field, especially, engine oil gas separator test device, it includes the controller, air compressor machine (1), a machine oil holding bucket (2) for holding machine oil, a quick -witted oil heater (3) for giving the machine oil heating of holding in machine oil holding bucket (2), first oil mist detection case (4), a fixed frock (6) for fixing just communicate and treat experimental oil and gas separator (5), a machine oil returning box (7) for collecting wait to test the machine oil of oil and gas separator (5) isolating, second oil mist detection case (8), a laser particle analyzer for detecting first oil mist detection case (4) and the interior oil mist parameter of second oil mist detection case (8). This kind of test device can and modify for the design and provide the reference frame, test efficiency is higher and the test result is more accurate.
Description
Technical field
The utility model is related to oil-gas separating device for engine technical field, especially a kind of oil-gas separating device for engine test dress
Put.
Background technology
The pollutant that automobile is discharged is mainly what cylinder combustion fuel oil was discharged, but in closed crankcase ventilation system, has
Quite a few does not separate clean machine oil steam and take part in burning, and the car overwhelming majority of burn oil is all Oil-gas Separation problem,
Gs-oil separator efficiency is low, and machine oil steam directly participates in in-cylinder combustion, and consumption of lubricating oil aggravates.
Can be seen that the exploitation of gs-oil separator is most important for engine burn oil problem, at present domestic Oil-gas Separation
Device design and develop process typically by the way of cfd software analysis and engine rig test Late Stage Verification combine, adopt
Cfd fluid analysis software typically have flowmaster, star cd, avl fire etc., but according to conventional development Experience, calculate
It is very big that analysis result and rig test result go out membership, and simulation calculating can only become supplementary means, main or with verification experimental verification
Based on.Domestic at present only minority gs-oil separator manufacturer has introduced the gs-oil separator single-piece testing stand using weight method.Send out
Motivation main engine plants are all often to go to verify the separative efficiency of gs-oil separator using weight method in the test of whole machine frame.Weigh examination
Method of testing typically requires oil-gas separation efficiency 95%～97% about, after Oil-gas Separation during that is, engine runs per hour out
Machine oil must not exceed 2g, and Diesel engine must not exceed 5g per hour.Want to reach requirements above, gs-oil separator generally requires
The index of requirement finally could be reached by multiple modification structure when bench test is verified, this is with regard to the exploitation of oil supply gas separating device
Expense and time bring increase at double.
And traditional experiment of weighing method, can only test the result that gs-oil separator separative efficiency is finally recovered efficiency,
The impact for separative efficiency for this body structure of gs-oil separator cannot be judged, design and modification to gs-oil separator do not provide
Reference frame, can not change current gs-oil separator design time length, modification often, the realistic problem such as poor reliability.
Utility model content
Technical scheme to be solved in the utility model is: provide one kind can to design and modification provide reference frame,
Test efficiency is higher and result of the test more accurate oil-gas separating device for engine experimental rig.
The utility model be the technical scheme is that a kind of oil-gas separating device for engine experimental rig, and it includes controlling
Device, air compressor machine, for housing the machine oil accommodating barrel of machine oil, for adding to the machine oil of machine oil heating being contained in machine oil accommodating barrel
Hot device, the first mist of oil detection case, for fixing and connect the fixing tool of gs-oil separator to be tested, be used for collecting oil to be tested
The machine oil return tank of the machine oil that gas separating device is separated, the second mist of oil detection case, for detection the first mist of oil detection case and
The laser particle analyzer of mist of oil parameter in second mist of oil detection case, place for laser particle analyzer and drive laser particle analyzer
The mobile station of movement and the mist of oil receipts for collecting and crossing oil-mist filtering between one mist of oil detection case and the second mist of oil detection case
Collection filter vat, described air compressor machine, the first mist of oil detection case, fixing tool, the second mist of oil detection case and mist of oil collect filter vat
Pass sequentially through pipeline to connect, on pipeline between air compressor machine and the first mist of oil detection case for the described machine oil accommodating barrel connection, and institute
The air inlet stating gs-oil separator to be tested is connected with the first mist of oil detection case by fixing tool, described Oil-gas Separation to be tested
The gas outlet of device is connected with the second mist of oil detection case by fixing tool, and the refluxing opening of described gs-oil separator to be tested passes through admittedly
Determine frock to connect with machine oil return tank, described first mist of oil detection case and the second mist of oil detection case are transparent material and make,
And described air compressor machine, lube oil heater and laser particle analyzer are all electrically connected with the controller.
Pipeline between described first mist of oil detection case and fixing tool is provided with pressure-regulating valve, described fixing tool with
Pipeline between second mist of oil detection case is provided with pressure sensor, and described pressure-regulating valve and pressure sensor are all and controller
Electrical connection.
Pipeline between described machine oil accommodating barrel and the first mist of oil detection case is provided with for controlling whether both turn on
Mist of oil switchs, and the pipeline between described first mist of oil detection case and fixing tool is provided with flow control valve, and described mist of oil is opened
Close and flow control valve is all electrically connected with the controller.
It also includes workbench, and described first mist of oil detection case, fixing tool and the second mist of oil detection case are arranged at
On workbench, and described mobile station is removably set on below workbench, and workbench is stretched out at the left and right two ends of described mobile station,
Described laser particle analyzer includes generating laser and laser collector, and described generating laser and laser collector are respectively
It is arranged on the left and right two ends of mobile station, and described generating laser and laser collector are all electrically connected with the controller.
It is additionally provided with guide rail below described mobile station, and described mobile station is connected with slide by idler wheel mechanism, described
Idler wheel mechanism is electrically connected with the controller.
The emission port of described generating laser, the collection port of laser collector, the center line of the first mist of oil detection case and
The level height all same of the center line of two mist of oil detection cases.
Described mist of oil is collected filter vat and is provided with the screen pack that two-layer was used for oil-mist filtering.
It is provided with the first machine oil detection means for detecting oil level, in described machine oil return tank in described machine oil accommodating barrel
It is provided with the second machine oil detection means for detecting oil level, and described first machine oil detection means and the second machine oil detection means
All it is electrically connected with the controller.
Using above structure compared with prior art, the utility model is had the advantage that and is housed by air compressor machine, machine oil
Bucket and lube oil heater simulated engine internal environment are so that test is more accurate；And surveyed using laser particle analyzer
The size of oil mist particles and quantity before and after the separation of formation testing gas separating device, quickly can accurately calculate dividing of different size oil mist particles
From efficiency, the separation that can calculate different pressures gas oil separation structure different under flow for various oil mist particles diameters is imitated
Rate；Detailed test basis can be provided with the design of oil supply gas separating device and modification.Improve design and change efficiency, save
Time and cost；Provide detailed test data basis to cae analytical calculation, improve gs-oil separator design success rate.
And the mist of oil after separation is collected filter vat by mist of oil and collects filtration, will not be to air born pollution.
It is provided with pressure-regulating valve and pressure sensor, so control the pressure entering the mist of oil in gs-oil separator to be tested
Power, and the change of pressure after gs-oil separator can be detected so that test can obtain more by pressure sensor
Real test data.
It is provided with mist of oil switch and flow control valve, so easily Control experiment can carry out and stop, Er Qiegen
Enter the amount of mist of oil in gs-oil separator to be tested according to Flux Valve Control so that test can obtain more really testing
Data.
Generating laser and laser collector are arranged on mist of oil detection case both sides, such Detection results are preferable, Er Qietong
Crossing mobile station drives generating laser to move with laser collector, more convenient.
By controller control idler wheel mechanism drive mobile station move, so easy to control, and generating laser with swash
The location comparison of light collector is accurately so that test is more accurate.
By the emission port of generating laser, the collection port of laser collector, the first mist of oil detection case center line and second
The level height of the center line of mist of oil detection case is arranged to identical, and preferably, the test data obtaining is more accurate for such experiment effect.
, so that filter effect is more preferable, the pollution to air is less for setting two-layer screen pack.
It is provided with machine oil detection means, obtain after the oil level put into and gs-oil separator separation so can be detected
Oil level, you can to obtain the separative efficiency of gs-oil separator using weight method.
Brief description
Fig. 1 is the structural representation of the utility model oil-gas separating device for engine experimental rig.
Fig. 2 is the fundamental diagram of the utility model oil-gas separating device for engine experimental rig.
As shown in the figure: 1, air compressor machine；2nd, machine oil accommodating barrel；3rd, lube oil heater；4th, the first mist of oil detection case；5th, to be tested
Gs-oil separator；6th, fixing tool；7th, machine oil return tank；8th, the second mist of oil detection case；9th, mobile station；10th, mist of oil is collected and is filtered
Bucket；11st, pressure-regulating valve；12nd, pressure sensor；13rd, mist of oil switch；14th, flow control valve；15th, workbench；16th, laser is sent out
Emitter；17th, laser collector；18th, screen pack.
Specific embodiment
With specific embodiment, the utility model is described further below in conjunction with accompanying drawing, but the utility model is not only
It is limited to detailed description below.
A kind of oil-gas separating device for engine experimental rig, it includes controller, air compressor machine 1, the machine oil for housing machine oil
Accommodating barrel 2, for the lube oil heater 3 of machine oil heating being contained in machine oil accommodating barrel 2, the first mist of oil detection case 4, be used for
Fix and connect the fixing tool 6 of gs-oil separator 5 to be tested, be used for collecting the machine that gs-oil separator 5 to be tested is separated
Oil machine oil return tank 7, the second mist of oil detection case 8, for detection the first mist of oil detection case 4 and the second mist of oil detection case 8 in
The laser particle analyzer of mist of oil parameter, place for laser particle analyzer and drive laser particle analyzer in the first mist of oil detection case 4 and
Between two mist of oil detection cases 8, the mobile station 9 of movement and the mist of oil collection filter vat 10 for collecting and crossing oil-mist filtering, described
Air compressor machine 1, the first mist of oil detection case 4, fixing tool 6, the second mist of oil detection case 8 and mist of oil are collected filter vat 10 and are passed sequentially through
Pipeline connects, and described machine oil accommodating barrel 2 connects on the pipeline between air compressor machine 1 and the first mist of oil detection case 4, and described waits to try
The air inlet testing gs-oil separator 5 is connected with the first mist of oil detection case 4 by fixing tool 6, described gs-oil separator 5 to be tested
Gas outlet connected with the second mist of oil detection case 8 by fixing tool 6, the refluxing opening of described gs-oil separator 5 to be tested passes through
Fixing tool 6 is connected with machine oil return tank 7, and described first mist of oil detection case 4 and the second mist of oil detection case 8 are transparent material
Make, and described air compressor machine 1, lube oil heater 3 and laser particle analyzer are all electrically connected with the controller.Described transparent material is height
Transparency silica glass, that is, laser can pass through.
Simulated engine real operating environments during the work of this testing stand.Air compressor machine 1 give whole circulation line provide air with
Pressure, is coordinated together with lube oil heater 3 and machine oil accommodating barrel 2, plays the effect of oil fog generator, the oil mist particles of generation,
Concentration, temperature are suitable with engine crankcase gas blowby；Mist of oil in first mist of oil detection case 4 is the state before Oil-gas Separation, leads to
Cross and detect that its granular size, quantity are contrasted with the mist of oil state in the second mist of oil detection case 8, oil gas can be calculated and divide
Separative efficiency from device；Flow control valve 14 controls the mist of oil flow by gs-oil separator；Pressure-regulating valve 11 controls and adjusts
The mist of oil pressure by gs-oil separator for the section；Pressure sensor 12 detects the mist of oil pressure after Oil-gas Separation；Mist of oil is collected and is filtered
The all separately clean machine oil particles of this testing stand collected by bucket 10, discharge cleaned air.
Pipeline between described first mist of oil detection case 4 and fixing tool 6 is provided with pressure-regulating valve 11, described regular worker
Fill 6 and second pipelines between mist of oil detection case 8 and be provided with pressure sensor 12, described pressure-regulating valve 11 and pressure sensor
12 are all electrically connected with the controller.
Pipeline between described machine oil accommodating barrel 2 and the first mist of oil detection case 4 is provided with for controlling whether both turn on
Mist of oil pipeline between 13, and described first mist of oil detection case 4 and fixing tool 6 for the switch be provided with flow control valve 14, institute
State mist of oil switch 13 and flow control valve 14 is all electrically connected with the controller.
It also includes workbench 15, and described first mist of oil detection case 4, fixing tool 6 and the second mist of oil detection case 8 are all provided with
Put on workbench 15, and described mobile station 9 is removably set on below workbench 15, and the left and right two ends of described mobile station 9
Stretch out workbench 15, described laser particle analyzer includes generating laser 16 and laser collector 17, and described generating laser
16 and laser collector 17 be separately positioned on the left and right two ends of mobile station 9, and described generating laser 16 and laser are collected
Device 17 is all electrically connected with the controller.Fixing tool 6 is mainly used for installing different types of gs-oil separator to be tested 5, so
Fixing tool 6 is detachably connected on workbench 15, when needing to test different types of gs-oil separator, can pull down
Fixing tool 6, then changes corresponding fixing tool 6.
It is additionally provided with guide rail below described mobile station 9, and described mobile station 9 is connected with slide by idler wheel mechanism, institute
State idler wheel mechanism to be electrically connected with the controller.
The emission port of described generating laser 16, the collection port of laser collector 17, the first mist of oil detection case 4 center line with
And second mist of oil detection case 8 center line level height all same.
Described mist of oil is collected filter vat 10 and is provided with the screen pack 18 that two-layer was used for oil-mist filtering.
It is provided with the first machine oil detection means for detecting oil level, described machine oil return tank 7 in described machine oil accommodating barrel 2
Inside it is provided with the second machine oil detection means for detecting oil level, and described first machine oil detection means and the second machine oil detection dress
Put and be all electrically connected with the controller.
A kind of oil-gas separating device for engine test method, it comprises the following steps:
1st, gs-oil separator to be tested is installed on fixing tool, and confirms installed surface sealing；
2nd, heating-up temperature, air compressor machine parameter, flow parameter and pressure parameter are set；
3rd, add machine oil into machine oil accommodating barrel；
4th, lube oil heater is controlled according to the heating-up temperature setting, the machine oil in machine oil accommodating barrel to be heated；
5th, control air compressor machine according to the parameter work setting in step 2；
6th, open mist of oil switch, and the flow parameter setting according to step 2 adjusts flow control valve, sets according to step 2
Fixed pressure parameter adjusts pressure-control valve；
7th, wait x minute, then control idler wheel mechanism to drive mobile station to move to below the first mist of oil detection case, same to time control
Generating laser processed and the work of laser collector, detection does not carry out size and the distribution number of the detached oil mist particles of mist of oil
Amount；X minute is waited to be that x this side takes 3-5 in order that the mist of oil in machine oil accommodating barrel is pressed in the first mist of oil detection case air compressor machine
Minute；
8th, wait y minute, then control idler wheel mechanism to drive mobile station to move to below the second mist of oil detection case, same to time control
Generating laser processed and the work of laser collector, the size of oil mist particles after detection mist of oil separation and distributed quantity；Deng
Treat that y minute is that y this side takes 10-15 minute in order that gs-oil separator to be tested works a period of time.
9th, the size and the distributed quantity that do not carry out the detached oil mist particles of mist of oil being obtained according to step 7, and step 8
The size of oil mist particles after the mist of oil separation obtaining and distributed quantity, can obtain the overall separation efficiency of mist of oil.
In step 3 add machine oil after, the first machine oil detection means can detect the oil level of addition, and start test after
Do not have in machine oil accommodating barrel after machine oil to calculate off-test until the first machine oil detection means detects, and now the second machine
Oily detection means can detect the oil level of institute's organic oil that gs-oil separator to be tested in machine oil return tank is separated, afterwards
Mist of oil separative efficiency is obtained according to weight method.
Claims (8)
1. a kind of oil-gas separating device for engine experimental rig it is characterised in that: it includes controller, air compressor machine (1), is used for housing
The machine oil accommodating barrel (2) of machine oil, for be contained in the lube oil heater (3) of machine oil heating in machine oil accommodating barrel (2), first
Mist of oil detection case (4), it is used for fixing and connect the fixing tool (6) of gs-oil separator to be tested (5), is used for collecting oil to be tested
The machine oil return tank (7) of the machine oil that gas separating device (5) is separated, the second mist of oil detection case (8), for detection first mist of oil inspection
The laser particle analyzer of measuring tank (4) and the interior mist of oil parameter of the second mist of oil detection case (8), place for laser particle analyzer and drive sharp
Light particle size analyzer mobile station (9) of movement and be used for collecting between the first mist of oil detection case (4) and the second mist of oil detection case (8)
And cross oil-mist filtering mist of oil collect filter vat (10), described air compressor machine (1), the first mist of oil detection case (4), fixing tool (6),
Second mist of oil detection case (8) and mist of oil are collected filter vat (10) and are passed sequentially through pipeline connection, described machine oil accommodating barrel (2) connection
On pipeline between air compressor machine (1) and the first mist of oil detection case (4), and the air inlet of described gs-oil separator to be tested (5)
Connected with the first mist of oil detection case (4) by fixing tool (6), the gas outlet of described gs-oil separator (5) to be tested is passed through admittedly
Determine frock (6) to connect with the second mist of oil detection case (8), the refluxing opening of described gs-oil separator (5) to be tested passes through fixing tool
(6) connect with machine oil return tank (7), described first mist of oil detection case (4) and the second mist of oil detection case (8) are transparent material
Make, and described air compressor machine (1), lube oil heater (3) and laser particle analyzer are all electrically connected with the controller.
2. a kind of oil-gas separating device for engine experimental rig according to claim 1 it is characterised in that: described first mist of oil
Pipeline between detection case (4) and fixing tool (6) is provided with pressure-regulating valve (11), described fixing tool (6) and the second oil
Pipeline between mist detection case (8) is provided with pressure sensor (12), described pressure-regulating valve (11) and pressure sensor (12)
All it is electrically connected with the controller.
3. a kind of oil-gas separating device for engine experimental rig according to claim 1 it is characterised in that: described machine oil house
Pipeline between bucket (2) and the first mist of oil detection case (4) is provided with mist of oil switch (13) for whether controlling both turn on, and
Pipeline between described first mist of oil detection case (4) and fixing tool (6) is provided with flow control valve (14), described mist of oil switch
And flow control valve (14) is all electrically connected with the controller (13).
4. a kind of oil-gas separating device for engine experimental rig according to claim 1 it is characterised in that: it also includes work
Platform (15), described first mist of oil detection case (4), fixing tool (6) and the second mist of oil detection case (8) are arranged at workbench
(15) on, and described mobile station (9) is removably set on below workbench (15), and the left and right two ends of described mobile station (9) are stretched
Go out workbench (15), described laser particle analyzer includes generating laser (16) and laser collector (17), and described laser is sent out
Emitter (16) and laser collector (17) are separately positioned on the left and right two ends of mobile station (9), and described generating laser (16)
And laser collector (17) is all electrically connected with the controller.
5. a kind of oil-gas separating device for engine experimental rig according to claim 1 it is characterised in that: described mobile station
(9) it is additionally provided with guide rail below, and described mobile station (9) is connected with slide by idler wheel mechanism, described idler wheel mechanism and control
Device electrical connection processed.
6. a kind of oil-gas separating device for engine experimental rig according to claim 4 it is characterised in that: described Laser emission
The emission port of device (16), the collection port of laser collector (17), the center line of the first mist of oil detection case (4) and the detection of the second mist of oil
The level height all same of the center line of case (8).
7. a kind of oil-gas separating device for engine experimental rig according to claim 1 it is characterised in that: described mist of oil is collected
Filter vat (10) is provided with the screen pack (18) that two-layer was used for oil-mist filtering.
8. a kind of oil-gas separating device for engine experimental rig according to claim 1 it is characterised in that: described machine oil house
It is provided with the first machine oil detection means for detecting oil level in bucket (2), be provided with for detection machine in described machine oil return tank (7)
Second machine oil detection means of oil mass, and described first machine oil detection means is all electrically connected with controller with the second machine oil detection means
Connect.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620841086.5U CN205910000U (en) | 2016-08-04 | 2016-08-04 | Engine oil gas separator test device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620841086.5U CN205910000U (en) | 2016-08-04 | 2016-08-04 | Engine oil gas separator test device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205910000U true CN205910000U (en) | 2017-01-25 |
Family
ID=57804086
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620841086.5U Expired - Fee Related CN205910000U (en) | 2016-08-04 | 2016-08-04 | Engine oil gas separator test device |
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| Country | Link |
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| CN (1) | CN205910000U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106124182A (en) * | 2016-08-04 | 2016-11-16 | 宁波里尔汽车技术有限公司 | A kind of oil-gas separating device for engine assay device and method |
| CN109212998A (en) * | 2017-06-29 | 2019-01-15 | 苏州热工研究院有限公司 | A kind of nuclear power plant's check-valves different flow operating condition flow resistance coefficient analogy method and system |
| CN109752189A (en) * | 2019-01-11 | 2019-05-14 | 宜宾凯翼汽车有限公司 | A kind of gas and oil separating plant and test method of test engine oil-gas separation efficiency |
| CN112129540A (en) * | 2020-09-21 | 2020-12-25 | 东风汽车集团有限公司 | Engine oil carrying capacity test device and engine oil carrying capacity test method |
-
2016
- 2016-08-04 CN CN201620841086.5U patent/CN205910000U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106124182A (en) * | 2016-08-04 | 2016-11-16 | 宁波里尔汽车技术有限公司 | A kind of oil-gas separating device for engine assay device and method |
| CN109212998A (en) * | 2017-06-29 | 2019-01-15 | 苏州热工研究院有限公司 | A kind of nuclear power plant's check-valves different flow operating condition flow resistance coefficient analogy method and system |
| CN109212998B (en) * | 2017-06-29 | 2021-06-04 | 苏州热工研究院有限公司 | Flow resistance coefficient simulation method and system for check valve of nuclear power plant under different flow working conditions |
| CN109752189A (en) * | 2019-01-11 | 2019-05-14 | 宜宾凯翼汽车有限公司 | A kind of gas and oil separating plant and test method of test engine oil-gas separation efficiency |
| CN112129540A (en) * | 2020-09-21 | 2020-12-25 | 东风汽车集团有限公司 | Engine oil carrying capacity test device and engine oil carrying capacity test method |
| CN112129540B (en) * | 2020-09-21 | 2021-08-17 | 东风汽车集团有限公司 | Engine oil carrying capacity test device and engine oil carrying capacity test method |
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