CN106546563A - Measurement apparatus of the electromotor outlet containing oil level - Google Patents
Measurement apparatus of the electromotor outlet containing oil level Download PDFInfo
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- CN106546563A CN106546563A CN201611120608.3A CN201611120608A CN106546563A CN 106546563 A CN106546563 A CN 106546563A CN 201611120608 A CN201611120608 A CN 201611120608A CN 106546563 A CN106546563 A CN 106546563A
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- 238000005259 measurement Methods 0.000 title claims abstract description 82
- 239000010721 machine oil Substances 0.000 claims abstract description 50
- 239000003921 oil Substances 0.000 claims abstract description 45
- 230000003287 optical effect Effects 0.000 claims abstract description 26
- 239000008187 granular material Substances 0.000 claims description 12
- 230000004907 flux Effects 0.000 claims description 10
- 238000012827 research and development Methods 0.000 abstract description 7
- 238000012360 testing method Methods 0.000 description 8
- 230000008859 change Effects 0.000 description 6
- 238000013461 design Methods 0.000 description 4
- 238000010438 heat treatment Methods 0.000 description 4
- 239000010705 motor oil Substances 0.000 description 3
- 238000005303 weighing Methods 0.000 description 3
- 235000013339 cereals Nutrition 0.000 description 2
- 239000002826 coolant Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000008676 import Effects 0.000 description 2
- 239000004615 ingredient Substances 0.000 description 2
- 238000010926 purge Methods 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000002745 absorbent Effects 0.000 description 1
- 239000002250 absorbent Substances 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000007788 liquid 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
- 238000002156 mixing Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 210000000056 organ Anatomy 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 235000015927 pasta Nutrition 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 230000000241 respiratory effect Effects 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
- 238000002834 transmittance Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
- G01N21/59—Transmissivity
- G01N21/61—Non-dispersive gas analysers
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M15/00—Testing of engines
- G01M15/04—Testing internal-combustion engines
- G01M15/10—Testing internal-combustion engines by monitoring exhaust gases or combustion flame
- G01M15/102—Testing internal-combustion engines by monitoring exhaust gases or combustion flame by monitoring exhaust gases
- G01M15/108—Testing internal-combustion engines by monitoring exhaust gases or combustion flame by monitoring exhaust gases using optical methods
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- Chemical & Material Sciences (AREA)
- Physics & Mathematics (AREA)
- Combustion & Propulsion (AREA)
- Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- General Health & Medical Sciences (AREA)
- Biochemistry (AREA)
- Analytical Chemistry (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Health & Medical Sciences (AREA)
- Investigating Or Analysing Materials By Optical Means (AREA)
Abstract
The invention discloses a kind of measurement apparatus of electromotor outlet containing oil level, including：Measurement pipe, which is T-shaped pipe, and the middle part mouth of pipe of the T-shaped pipe is gas access, and the two ends of T-shaped pipe are gas outlet；Heated at constant temperature pipe, its heating-up temperature can adjust, and heated at constant temperature pipe is connected with gas access；Two wind curtain machines, which is separately positioned on the side of the gas outlet at measurement pipe two ends, and gas outlet of the wind curtain machine by the air-flow of blowout at measurement pipe two ends forms air curtain；Light source, which is used for being arranged near the gas outlet of measurement pipe one end；And optical receiver, which is used for being arranged near the gas outlet of the measurement pipe other end, received by optical receiver after the measured pipe of light that light source sends, optical receiver accounts for volume concentration of gas phase percentage relation curve with machine oil according to light tight rate N=100* (1 B/A) and accounts for volume concentration of gas phase percentage ratio showing corresponding machine oil.The measurement apparatus simple structure, simple to operate, certainty of measurement can meet the needs of research and development.
Description
Technical field
The present invention relates to electromotor detection technique field, more particularly to a kind of electromotor outlet dress of the measurement containing oil level
Put.
Background technology
In engine operation process, combustion chamber point high temperature and high pressure gas can by piston, cylinder jacket and piston ring it
Between gap enter crankcase and flow out electromotor after mixing with the machine oil granule of crankcase.These engine interior produce,
The gas that electromotor is discharged with part machine oil granule and finally is referred to as electromotor outlet.Electromotor outlet containing machine oil number be
A critically important research and development Con trolling index, measuring electromotor outlet in the past needs to purchase the special filter tank of import containing oil level, this
The filter element of kind of filter tank is the strong absorbent of machine oil, the machine oil that absorbable outlet contains and by filter element weight before and after contrast of weighing not
With obtaining contained oil level in outlet.This filter tank each need more than 2000 Euros, filter element is used only once, measurement expense
Costly.And when measuring, electromotor outlet will pass through filter element completely, go out atmidometer and can become big, cause engine interior pressure
Power increases, and the accuracy of result of the test can be had an impact.
The information for being disclosed in the background section is merely intended to increase the understanding of the general background to the present invention, and should not
When the prior art for being considered to recognize or imply the information structure in any form well known to persons skilled in the art.
The content of the invention
It is an object of the invention to provide a kind of measurement apparatus of electromotor outlet containing oil level, simple structure, operation letter
Single, certainty of measurement can meet the needs of research and development.
For achieving the above object, the invention provides a kind of electromotor outlet contains the measurement apparatus of oil level, including：Measurement
Pipe, which is T-shaped pipe, and the middle part mouth of pipe of the T-shaped pipe is gas access, and the two ends of T-shaped pipe are gas outlet, and temperature is arranged in measurement pipe
Degree sensor, pressure transducer and flow transducer；Heated at constant temperature pipe, its heating-up temperature can adjust, heated at constant temperature pipe and gas
Entrance connects, and heated at constant temperature pipe keeps constant for the temperature by the gas into gas access；Two wind curtain machines, which sets respectively
The side of the gas outlet at measurement pipe two ends is put, wind curtain machine passes through the gas outlet shape of the air-flow at measurement pipe two ends of blowout
Into air curtain；Light source, which is used for being arranged near the gas outlet of measurement pipe one end；And optical receiver, which is used for being arranged on survey
Near the gas outlet of the buret other end, received by optical receiver after the measured pipe of light that light source sends, when filling in measurement pipe
During full air, it is A that optical receiver receives the luminous flux of light source, and when in measurement pipe full of the fog containing machine oil granule, light connects
It is B that receipts device receives the luminous flux of light source, then optical receiver accounts for gas body according to light tight rate N=100* (1-B/A) and machine oil
Product percentage composition relation curve accounts for volume concentration of gas phase percentage ratio showing corresponding machine oil.
Preferably, temperature sensor, pressure transducer and flow transducer are set in measurement pipe.
Preferably, light source is electric filament lamp or green LED.
Compared with prior art, the present invention has the advantages that：
1. simple structure, number of parts are few, but oneself buying assembling parts, and equipment can Reusability, cost of equipment and survey
Amount expense is all very low；
2. equipment can show measurement parameter automatically, be not required to precision balance and weigh, simple to operate；
3. the result measured after demarcating is compared with import measurement filter tank, and deviation is less than 1.5%, and certainty of measurement is higher, energy
It is the needs (as long as 3% deviation in can) containing oil level measuring accuracy to electromotor outlet to meet research and development；
4. the measurement device electromotor outlet is simpler containing oil level, more saves money, and precision can also meet research and development needs.
Description of the drawings
Fig. 1 is measurement apparatus schematic diagram of the electromotor outlet of the invention containing oil level.
Specific embodiment
Below in conjunction with the accompanying drawings, the specific embodiment of the present invention is described in detail, it is to be understood that the guarantor of the present invention
Shield scope is not limited by specific embodiment.
Explicitly indicate that unless otherwise other, otherwise in entire disclosure and claims, term " including " or its change
Change such as "comprising" or " including " etc. and will be understood to comprise stated element or ingredient, and do not exclude other units
Part or other ingredients.
As shown in figure 1, according to a kind of measurement apparatus of the electromotor outlet of the specific embodiment of the invention containing oil level, bag
Include measurement pipe 2, heated at constant temperature pipe 1, two wind curtain machines 3, light source 4 and optical receivers 5, wherein measurement pipe 2 is T-shaped pipe, the T-shaped
The middle part mouth of pipe of pipe is gas access, and the two ends of T-shaped pipe are gas outlet.The heating-up temperature of heated at constant temperature pipe 1 can adjust, constant temperature
Heating tube 1 is connected with gas access, and heated at constant temperature pipe 1 keeps constant for the temperature by the gas into gas access, two
Wind curtain machine 3 is separately positioned on the side of the gas outlet at 2 two ends of measurement pipe, and wind curtain machine 3 is by the air-flow of blowout in 2 liang of measurement pipe
The gas outlet at end forms air curtain, and light source 4 is used for being arranged near the gas outlet of 2 one end of measurement pipe, and optical receiver 5 is used for
It is arranged near the gas outlet of 2 other end of measurement pipe, is received by optical receiver 5 after the measured pipe of the light that light source 4 sends 2,
When in measurement pipe 2 full of air, it is A that optical receiver 5 receives the luminous flux of light source 4, contains machine oil when being full of in measurement pipe 2
During the fog of grain, it is B that optical receiver 5 receives the luminous flux of light source 4, then optical receiver 5 is according to light tight rate N=100* (1-
B/A volume concentration of gas phase percentage relation curve) is accounted for machine oil volume concentration of gas phase percentage ratio is accounted for showing corresponding machine oil.
Research shows that machine oil can have barrier effect to light contained by electromotor outlet, when machine oil contained by electromotor outlet
When grain is more, the light tight rate of outlet is just high, and when contained by outlet, machine oil granule is less, the light tight rate of outlet is just low.Outlet
The amount (namely machine oil granule accounts for electromotor outlet percent by volume) of contained machine oil granule has corresponding with the light tight rate of outlet
Relation, corresponding can know (the namely machine oil of oil level contained by electromotor outlet by the light tight rate for measuring electromotor outlet
Granule accounts for electromotor outlet percent by volume).When machine oil granule accounts for one timing of electromotor outlet percent by volume, go out gas velocity
Speed is not affected on light tight rate.Measurement apparatus of the electromotor outlet of the present embodiment containing oil level, set according to above-mentioned principle
Meter, after measuring light tight rate, can obtain machine oil granule and account for electromotor outlet percent by volume, then measure out throughput,
By calculating the engine oil quality (volume is multiplied by density after obtaining) that can show that unit interval outlet is taken away, total oil consumption is used
The oil level that outlet is taken away is deducted, the oil level for consuming that burns is obtained, the measurement of these numerical value is provided for research and development more more detailed
Thin parameter.
In such scheme, before heated at constant temperature pipe 1 is fixed on the entrance of measurement pipe 2, for ensureing the gas in measurement pipe 2
Temperature is constant, and when the temperature that the gas into heated at constant temperature pipe not up to sets, heating tube can be heated automatically, reach setting
Heating can be automatically stopped after temperature.The effect of heated at constant temperature pipe 1 is to prevent condensed water from disengaging, and reduces tested gas temperature fluctuation,
And correct compensation is made to temperature change.In the present embodiment, temperature is maintained at 110 degree, and when can prevent low temperature, electromotor goes out
Water condensation in gas out forms fog, affects the accuracy of measurement.As machine oil boiling point is more than 200 degree, so 110 degree
When, the machine oil major part in electromotor outlet is present in electromotor outlet with mist particles.Wind curtain machine 3 is arranged on measurement
Near 2 port of export of pipe, for stopping that the electromotor outlet of thermal zone machine oil granule blows to light source 4 and optical receiver 5, meanwhile,
Air curtain can also drive the flowing of gas in measurement pipe 2, reduce gas flow resistance in measurement pipe 2, reduce 2 flow resistance of measurement pipe
Impact to measurement accuracy.Light source 4 is arranged on the exit end of measurement pipe 2, and the light which sends can be by inside measurement pipe 2
Cavity reaches other end.Optical receiver 5 is arranged on the other end (from 4 different one end of light source) of the outlet of measurement pipe 2, and which can connect
The light by 2 internal cavities of measurement pipe that light source 4 sends is received, optical receiver is typically made up of light cell or photodiode.
According to existing equipment, percent by volume of the electromotor outlet containing oil level and corresponding light tight rate can be carried out
Accurate measurement, and draw the relationship of the two curve.According to the relation, the optical receiver in the measurement apparatus that can implement to this it is aobvious
Show that scale is demarcated.Specifically, (pure air is full of) when 2 inner chamber of measurement pipe is full impregnated light state, the light of light source 4 passes through
It is A that measurement pipe 2 full of pure air reaches the luminous flux of optical receiver 5, and optical receiver 5 shows 0% (zero-bit).Work as measurement pipe
When 2 inner chambers are complete impermeable light states (closing light source), the luminous flux of optical receiver 5 is 0, and the luminous flux for measuring is 0, and light connects
Receive device 5 and show 99.9% (full scale).When 2 inner chamber of measurement pipe is full of the fog containing machine oil granule, the luminous flux for measuring is B,
Then light transmittance T=B/A*100, light tight rate N=100-T=(1-B/A) * 100.By demarcating light tight rate, optical receiver 5
Display scale can be mapped with corresponding outlet (percent by volume) containing oil level.
As a kind of preferred embodiment, temperature sensor, pressure transducer and flow transducer (figure are set in measurement pipe 2
Not shown in), the gas temperature of measurable entrance measurement pipe 2, pressure and flow.If into measurement pipe 2 air outlet temperature with
Pressure is excessive with pressure (110 degree and normal pressure) deviation with the temperature of the state of demarcation, then need by PV=mRT formula, flow
It is converted to the temperature and flow during pressure of demarcation state.
Used as a kind of preferred embodiment, light source 4 is generally electric filament lamp or green LED.
During measurement apparatus of the electromotor outlet of specifically used enforcement containing oil level, carry out in accordance with the following steps：
Step 1, this measurement apparatus is installed, rebreather of engine outlet accesses the entrance of this measurement apparatus.Entrance constant temperature
Heating tube 1 is adjusted to uniform temperature (being traditionally arranged to be 110 degree).
Step 2, electromotor start by specific operation operation certain hour (usually running 24 hours in rated point), and survey
Consumption of lubricating oil (total oil level m of gauging drain panAlways)。
Total oil level mAlwaysConcrete method of testing it is as follows：
1 is initially added oil level weighing
1.1 get out electromotor, add new machine oil, machine oil pasta is arranged on dipstick maximum scale.
1.2 with 80% rated speed and 30% rated load warming-up.Until oil temperature is stable at 90 DEG C～95 DEG C, cool down
Liquid temp reaches thermostat design work temperature.Preferably warm-up period should in 20 points of kinds, if desired can with high rotating speed,
High load capacity achieves the goal (but this state should be kept in test after this).
1.3 made electromotor drop to idling and stop in 15 seconds.When electromotor is static, slowly turning crankshaft, in 1min
Within clockwise bent axle one enclose and continue clockwise to the 1st cylinder top dead centre, start to drain the oil when this 1min is ended.
1.4 allow drain the oil 15 points (± 20 seconds), are then reinstalled purge cock.
1.5 gross weights W for weighing the machine oil, container and funnel released1, oil is refunded into electromotor, then is weighed and is failed evacuation
Gross weight W of machine oil, container and funnel2, the difference (W of weight twice1-W2), the oil level W for as addingi。
2 rotating speeds and stress test step
2.1 start electromotor, make rapidly electromotor reach rated speed and load condition.Control oil temperature meets this
The design temperature of speed/load condition.Coolant temperature meets thermostat design work temperature.
2.2 continuously run 24h, and engine speed and load are dropped to 80% rated speed and 30% rated load after 24h,
And make oil temperature stable at 90 DEG C～95 DEG C, the cold time should be in 10min, and coolant temperature is stable to be designed in thermostat
Operating temperature.Cold purpose can be reached with the slow-speed of revolution, underload if desired.
3 measurements for ultimately joining oil level
3.1 made electromotor be down to idling and stop in 15 seconds.When electromotor it is static, slowly turning crankshaft, 1min with
Interior clockwise bent axle one is enclosed and continues clockwise to the 1st cylinder top dead centre, starts to drain the oil when this 1min is ended.
3.2 allow drain the oil 15 minutes (± 20 seconds).Then it is reinstalled purge cock.
3.3 weigh, gross weight W of machine oil, container and the funnel released after being tested3, W3With W2Difference as test after put
The oil level W for going out0, machine oil total flow mAlways=Wi-W0。
Step 3, carry out engine oil consumption test when, that is, rebreather of engine whole outlet all flow through this measurement apparatus,
Temperature T is read in measurement apparatus timing0, pressure P0, flow Q0And light tight rate N.General temperature all sets (110 degree), and pressure is
Normal pressure, light tight rate are typically also stationary value, change little.
Step 4, find average light tight rate NAveragelyCorresponding machine oil accounts for volume concentration of gas phase percentage ratio, is recorded as ＆Machine oil, should
Numerical value and gas flow Q0Multiplication can obtain the machine oil volume that unit interval outlet is taken away, i.e.,
VMachine oil=＆Machine oil*Q0
The numerical value seizes the opportunity oil density ρ againMachine oilThe engine oil quality M that unit interval outlet is taken away is obtainedMachine oil, i.e.,
MMachine oil=VMachine oil*ρMachine oil
Testing time t is multiplied by again, so that it may to draw outlet is taken away during test total oil level mMachine oil, i.e.,
mMachine oil=MMachine oil*t
If step 5, into (110 degree and normal of air outlet temperature and pressure and temperature and the pressure of the state of demarcation of measurement pipe 2
Pressure) deviation is excessive, then needs by PV=mRT formula, the flow when temperature and pressure of flow rate conversion to demarcation state.
Step 6, test can obtain simultaneously from oil sump the total oil level m that electromotor is consumed for measuringAlwaysAnd respiratory organ is taken away
Oil level mMachine oil.Subtract each other the oil level m for obtaining that engine interior is consumed in 2 parts1(machine oil for mainly burning), i.e. m1=
mAlways-mMachine oil。
To sum up, measurement apparatus of the electromotor outlet of the present embodiment containing oil level, by measuring the impermeable of electromotor outlet
Light rate, and nominal data is combined, numerical value of the electromotor outlet containing oil level is obtained, and can be calculated indirectly what burning was consumed
Oil level, is optimized to electromotor relevant design so as to more targeted, improves the R ＆ D Level of electromotor.The measurement
The certainty of measurement of device can meet the needs of research and development, and measuring apparatus simple structure, and expense is low, operate also very simple.
It is aforementioned to the present invention specific illustrative embodiment description be in order to illustrate and illustration purpose.These descriptions
It is not wishing to limit the invention to disclosed precise forms, and it will be apparent that according to above-mentioned teaching, much can be changed
And change.The purpose of selecting and describing the exemplary embodiment is that explaining that the certain principles and its reality of the present invention should
With so that those skilled in the art can realize and using the present invention a variety of exemplaries and
A variety of selections and change.The scope of the present invention is intended to be limited by claims and its equivalents.
Claims (3)
1. a kind of electromotor outlet contains the measurement apparatus of oil level, it is characterised in that include：
Measurement pipe, which is T-shaped pipe, and the middle part mouth of pipe of the T-shaped pipe is gas access, and the two ends of the T-shaped pipe are gas outlet；
Heated at constant temperature pipe, its heating-up temperature can adjust, and the heated at constant temperature pipe is connected with the gas access, the heated at constant temperature
Pipe keeps constant for the temperature by the gas into the gas access；
Two wind curtain machines, which is separately positioned on the side of the gas outlet at the measurement pipe two ends, and the wind curtain machine is by blowout
Air-flow the measurement pipe two ends gas outlet formed air curtain；
Light source, which is used for being arranged near the gas outlet of described measurement pipe one end；And
Optical receiver, which is used for being arranged near the gas outlet of the measurement pipe other end, and the light that the light source sends is passed through
Received by the optical receiver after the measurement pipe, when air is full of in the measurement pipe, the optical receiver receives institute
The luminous flux for stating light source is A, and when in the measurement pipe full of the fog containing machine oil granule, the optical receiver receives described
The luminous flux of light source is B, then the optical receiver accounts for volume concentration of gas phase according to light tight rate N=100* (1-B/A) and machine oil
Percentage relation curve accounts for volume concentration of gas phase percentage ratio showing corresponding machine oil.
2. electromotor outlet according to claim 1 contains the measurement apparatus of oil level, it is characterised in that in the measurement pipe
Temperature sensor, pressure transducer and flow transducer are set.
3. electromotor outlet according to claim 1 contains the measurement apparatus of oil level, it is characterised in that the light source is white
Vehement lamp or green LED.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611120608.3A CN106546563A (en) | 2016-12-08 | 2016-12-08 | Measurement apparatus of the electromotor outlet containing oil level |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611120608.3A CN106546563A (en) | 2016-12-08 | 2016-12-08 | Measurement apparatus of the electromotor outlet containing oil level |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106546563A true CN106546563A (en) | 2017-03-29 |
Family
ID=58396872
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611120608.3A Pending CN106546563A (en) | 2016-12-08 | 2016-12-08 | Measurement apparatus of the electromotor outlet containing oil level |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1012268A (en) * | 1961-10-24 | 1965-12-08 | Graviner Manufacturing Co | Apparatus for detecting the presence of oil in a gas flow |
| CN101135607A (en) * | 2007-10-22 | 2008-03-05 | 奇瑞汽车有限公司 | Engine crankcase ventilating system engine oil carrying quantity experiment system and experimental method |
| EP1923694A2 (en) * | 2006-11-20 | 2008-05-21 | MAHLE International GmbH | Method and device for measuring the amount of oil in a gas flow |
| CN201233366Y (en) * | 2008-07-02 | 2009-05-06 | 佛山分析仪有限公司 | Transmission type smokemeter capable of measuring length of effective smoke column |
| CN202210067U (en) * | 2011-08-09 | 2012-05-02 | 北汽福田汽车股份有限公司 | Engine oil collecting device and engine oil air content measuring system |
| CN104990834A (en) * | 2015-07-10 | 2015-10-21 | 广西玉柴机器股份有限公司 | Measuring equipment for air content in cooling liquid of engine and method |
| CN206208758U (en) * | 2016-12-08 | 2017-05-31 | 广西玉柴机器股份有限公司 | Measurement apparatus of the engine outlet containing oil level |
-
2016
- 2016-12-08 CN CN201611120608.3A patent/CN106546563A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1012268A (en) * | 1961-10-24 | 1965-12-08 | Graviner Manufacturing Co | Apparatus for detecting the presence of oil in a gas flow |
| EP1923694A2 (en) * | 2006-11-20 | 2008-05-21 | MAHLE International GmbH | Method and device for measuring the amount of oil in a gas flow |
| CN101135607A (en) * | 2007-10-22 | 2008-03-05 | 奇瑞汽车有限公司 | Engine crankcase ventilating system engine oil carrying quantity experiment system and experimental method |
| CN201233366Y (en) * | 2008-07-02 | 2009-05-06 | 佛山分析仪有限公司 | Transmission type smokemeter capable of measuring length of effective smoke column |
| CN202210067U (en) * | 2011-08-09 | 2012-05-02 | 北汽福田汽车股份有限公司 | Engine oil collecting device and engine oil air content measuring system |
| CN104990834A (en) * | 2015-07-10 | 2015-10-21 | 广西玉柴机器股份有限公司 | Measuring equipment for air content in cooling liquid of engine and method |
| CN206208758U (en) * | 2016-12-08 | 2017-05-31 | 广西玉柴机器股份有限公司 | Measurement apparatus of the engine outlet containing oil level |
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Application publication date: 20170329 |