CN107940213A - One kind plus lube plant - Google Patents
One kind plus lube plant Download PDFInfo
- Publication number
- CN107940213A CN107940213A CN201711311747.9A CN201711311747A CN107940213A CN 107940213 A CN107940213 A CN 107940213A CN 201711311747 A CN201711311747 A CN 201711311747A CN 107940213 A CN107940213 A CN 107940213A
- Authority
- CN
- China
- Prior art keywords
- air
- main body
- pumping unit
- drum main
- oil drum
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000005086 pumping Methods 0.000 claims abstract description 42
- 238000003780 insertion Methods 0.000 claims abstract description 28
- 230000037431 insertion Effects 0.000 claims abstract description 28
- 239000000446 fuel Substances 0.000 claims abstract description 12
- 239000007769 metal material Substances 0.000 claims abstract description 4
- 238000003466 welding Methods 0.000 claims description 14
- 238000007789 sealing Methods 0.000 claims description 10
- 230000037452 priming Effects 0.000 claims description 7
- 239000003292 glue Substances 0.000 claims description 4
- 238000009434 installation Methods 0.000 claims 1
- 239000003921 oil Substances 0.000 abstract description 43
- 239000010687 lubricating oil Substances 0.000 abstract description 15
- 238000010586 diagram Methods 0.000 description 4
- 229920000297 Rayon Polymers 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000000945 filler Substances 0.000 description 2
- 238000005461 lubrication Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000033001 locomotion Effects 0.000 description 1
- 239000000314 lubricant Substances 0.000 description 1
- 239000010721 machine oil Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16N—LUBRICATING
- F16N7/00—Arrangements for supplying oil or unspecified lubricant from a stationary reservoir or the equivalent in or on the machine or member to be lubricated
- F16N7/14—Arrangements for supplying oil or unspecified lubricant from a stationary reservoir or the equivalent in or on the machine or member to be lubricated the lubricant being conveyed from the reservoir by mechanical means
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16N—LUBRICATING
- F16N19/00—Lubricant containers for use in lubricators or lubrication systems
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16N—LUBRICATING
- F16N21/00—Conduits; Junctions; Fittings for lubrication apertures
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16N—LUBRICATING
- F16N29/00—Special means in lubricating arrangements or systems providing for the indication or detection of undesired conditions; Use of devices responsive to conditions in lubricating arrangements or systems
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Loading And Unloading Of Fuel Tanks Or Ships (AREA)
Abstract
The invention discloses one kind plus lube plant, including carrying oil drum main body, air-pressure beam-pumping unit and refueling nozzle, fuel feed hole is equipped with using the top that oil drum main body is carried made of antistatic metal material, fuel feed hole insertion, which is arranged on, to be carried in oil drum main body, the top for carrying oil drum main body is equipped with efferent duct, efferent duct insertion, which is arranged on, to be carried in oil drum main body, and the front end for carrying oil drum main body is provided with air-pressure beam-pumping unit.This kind plus lube plant, by being provided with air-pressure beam-pumping unit, alloing it makes internal generation air pressure by upper and lower extruding, so as to which the air pressure in refueling device and air pressure during required addition machine are different, it is set to carry out adding lubricating oil to machine in the case of not by extraneous power supply, compared to pervious electric power refueling device, existing plus lube plant greatly improves the security of refueling device.
Description
Technical field
It is specially a kind of plus lube plant the present invention relates to lube plant technical field is added.
Background technology
Lubricating oil, briefly, is exactly added between the object of two relative motions of what by so-called plus lube plant,
Have the function of that reducing by two objects produces friction person because of contact, lubricating oil is used in all kinds automobile, on mechanical equipment
To reduce the liquid or semisolid lubricants of friction, protection machinery and workpiece, lubrication, cooling, antirust, cleaning, close is mainly played
The effect such as envelope and buffering.
Existing plus lube plant, easily sprays, is complicated, but existing plus lube plant uses electric power
Oil pumping, danger coefficient are significantly lifted, and the transport of existing plus lube plant is cumbersome, it is impossible to are quickly added to machine
Add lubricating oil, so as to reduce the practicality of people.
So how to design a kind of plus lube plant, becoming us will currently solve the problems, such as.
The content of the invention
It is an object of the invention to provide one kind to add lube plant, to solve the problems mentioned in the above background technology.
To achieve the above object, the present invention provides following technical solution：One kind plus lube plant, including carry oil drum master
Body, air-pressure beam-pumping unit and refueling nozzle, it is described that fuel feed hole is equipped with using the top that oil drum main body is carried made of antistatic metal material,
The fuel feed hole insertion, which is arranged on, to be carried in oil drum main body, and the top for carrying oil drum main body is equipped with efferent duct, and the efferent duct is embedding
Enter to be arranged on and carry in oil drum main body, the front end for carrying oil drum main body is provided with air-pressure beam-pumping unit, and the air-pressure beam-pumping unit is with carrying
Oil drum main body seamless welding, the vacuum tube that the left end of the air-pressure beam-pumping unit is equipped with, the vacuum tube and air-pressure beam-pumping unit are seamless
Welding, the left end of the vacuum tube are equipped with electro-insulating rubber pipe, and the electro-insulating rubber pipe is nested in vacuum tube, the air pressure oil pumping
Machine is internally provided with air-inflating valve, and the air-inflating valve insertion is arranged in air-pressure beam-pumping unit, and the bottom of the air-inflating valve is equipped with cylinder,
The cylinder insertion is arranged in air-inflating valve, and the bottom of the cylinder is provided with adapter, and the adapter insertion is arranged on gas
In cylinder, the load oil drum main body bottom is equipped with carrier, and the carrier is fitted closely with carrying oil drum main body, the carrier
Top is provided with handspike, one end and the carrier seamless welding of the handspike, and the top of the handspike is equipped with refueling nozzle,
The refueling nozzle is flexibly connected with handspike, and the right side of the refueling nozzle is equipped with handle and priming valve, the handle and priming valve
Insertion is arranged in refueling nozzle, and the refueling nozzle is internally provided with vacuum funnel, and the vacuum funnel insertion is arranged on oiling
In rifle.
Further, the right end of the air-pressure beam-pumping unit is equipped with pressure gauge, and pressure gauge insertion is arranged on air-pressure beam-pumping unit
In.
Further, the bottom of the air-pressure beam-pumping unit is equipped with the sealing ring in " annulus " shape, and the sealing ring insertion is set
Put in air-pressure beam-pumping unit, and fixation is sealed by viscose glue.
Further, the bottom of the carrier is equipped with symmetrical universal wheel, and universal wheel and the used nut of carrier
It is flexibly connected.
Further, the bottom of the refueling nozzle is on the lower side is equipped with nozzle, and nozzle insertion is arranged in refueling nozzle, and with it is outer
The screw thread rotation in portion is fixed.
Further, the right side of the handspike is equipped with oil gun sheath, and oil gun sheath and handspike seamless welding.
Further, the right side of the handspike is equipped with the hook in " L " shape, and links up with and handspike seamless welding.
Compared with prior art, the beneficial effects of the invention are as follows：This kind plus lube plant, are pumped by being provided with air pressure
Machine, alloing it makes internal generation air pressure by upper and lower extruding, so that air pressure and required addition machine in refueling device
When air pressure it is different, make its carried out in the case of not by extraneous power supply to machine add lubricating oil, compared to pervious
Electric power refueling device, existing plus lube plant greatly improve the security of refueling device, equipped with nozzle, make it to machine
Device add lubricating oil when, the area that nozzle can be big absolutely is put in inside the oil filler of machine, then by refueling nozzle inside
Lubricating oil is sent into the inside of machine by air pressure, it is effectively improved lubricating oil and is accurately filled inside into machine, so as to reduce
Unnecessary waste, whole operation are carried out in sealing, and leakage lubricating oil will not be caused to cause situations such as catching fire to occur.
Brief description of the drawings
Fig. 1 is the load oil drum agent structure schematic diagram of the present invention；
Fig. 2 is the air-pressure beam-pumping unit partial structural diagram of the present invention；
Fig. 3 is the refueling nozzle partial structural diagram of the present invention；
Fig. 4 is the handspike partial structural diagram of the present invention.
In figure：1st, oil drum main body is carried, 101, fuel feed hole, 102, efferent duct, 2, air-pressure beam-pumping unit, 201, electro-insulating rubber pipe,
202nd, pressure gauge, 203, vacuum tube, 204, sealing ring, 205, air-inflating valve, 206, cylinder, 207, adapter, 3, carrier, 301,
Universal wheel, 4, refueling nozzle, 401, handle, 402, vacuum funnel, 403, priming valve, 404, nozzle, 5, handspike, 501, oil gun
Set, 502, hook.
Embodiment
Below in conjunction with the attached drawing in the embodiment of the present invention, the technical solution in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other without making creative work
Embodiment, belongs to the scope of protection of the invention.
- 4 are please referred to Fig.1, the present invention provides a kind of technical solution：One kind plus lube plant, including load oil drum main body 1,
Air-pressure beam-pumping unit 2 and refueling nozzle 4, fuel feed hole 101 is equipped with using the top that oil drum main body 1 is carried made of antistatic metal material,
The insertion of fuel feed hole 101, which is arranged on, to be carried in oil drum main body 1, and the top for carrying oil drum main body 1 is equipped with efferent duct 102, and efferent duct 102 is embedded in
It is arranged on and carries in oil drum main body 1, the front end for carrying oil drum main body 1 is provided with air-pressure beam-pumping unit 2, and air-pressure beam-pumping unit 2 is with carrying oil drum master
1 seamless welding of body, the vacuum tube 203 that the left end of air-pressure beam-pumping unit 2 is equipped with, vacuum tube 203 and 2 seamless welding of air-pressure beam-pumping unit,
The left end of vacuum tube 203 is equipped with electro-insulating rubber pipe 201, and electro-insulating rubber pipe 201 is nested in vacuum tube 203, air-pressure beam-pumping unit 2
Air-inflating valve 205 is internally provided with, the insertion of air-inflating valve 205 is arranged in air-pressure beam-pumping unit 2, and the bottom of air-inflating valve 205 is equipped with cylinder
206, the insertion of cylinder 206 is arranged in air-inflating valve 205, and the bottom of cylinder 206 is provided with adapter 207, and the insertion of adapter 207 is set
Put in cylinder 206, carry 1 bottom of oil drum main body and be equipped with carrier 3, carrier 3 is fitted closely with carrying oil drum main body 1, carrier 3
Top handspike 5 is installed, one end and 3 seamless welding of carrier of handspike 5, the top of handspike 5 are equipped with refueling nozzle 4,
Refueling nozzle 4 is flexibly connected with handspike 5, and the right side of refueling nozzle 4 is equipped with handle 401 and priming valve 403, handle 401 and priming valve
403 insertions are arranged in refueling nozzle 4, and refueling nozzle 4 is internally provided with vacuum funnel 402, and the insertion of vacuum funnel 402, which is arranged on, to be added
In oil gun 4.
Further, the right end of air-pressure beam-pumping unit 2 is equipped with pressure gauge 202, and the insertion of pressure gauge 202 is arranged on air pressure oil pumping
In machine 2, easy to observe the air pressure size inside air-pressure beam-pumping unit 2, it is set preferably to take out the lubricating oil carried inside oil drum main body 1
Go out, improve the efficiency of addition lubricating oil.
Further, the bottom of air-pressure beam-pumping unit 2 is equipped with the sealing ring 204 in " annulus " shape, and the insertion of sealing ring 204 is set
Fixation is sealed in air-pressure beam-pumping unit 2, and by viscose glue, and fixation is sealed by viscose glue, it is internal to be conducive to sealing
Air pressure so that for a long time keep oil pumping effect.
Further, the bottom of carrier 3 is equipped with symmetrical universal wheel 301, and universal wheel 301 and carrier 3 are used
Nut is flexibly connected, and is readily transported and is carried the entirety of oil drum main body 1, makes it that quickly heavy-duty machines are carried out with quickly addition lubrication
Oil, improves the practicality of device.
Further, the bottom of refueling nozzle 3 is on the lower side is equipped with nozzle 404, and the insertion of nozzle 404 is arranged in refueling nozzle 3, and
Fixed with exterior screw thread rotation, it is more accurately added lubricating oil, reduce unnecessary waste.
Further, the right side of handspike 5 is equipped with oil gun sheath 501, and oil gun sheath 501 and 5 seamless welding of handspike, is easy to
Protect refueling nozzle 4 overall, it is improved the service life of device, so as to reduce the generation of electrostatic.
Further, the right side of handspike 5 is equipped with the hook 502 in " L " shape, and links up with 502 with handspike 5 without seam weld
Connect, be conducive to hang electro-insulating rubber pipe 201, it is not wound the efficiency for causing to refuel, further improve the practicality of device.
Operation principle：Oil drum main body 1 will be carried first, and lubricating oil is filled into by inside by the fuel feed hole 101 on top, then will
101 good seal of fuel feed hole, on carrier 3 is placed on, at this time, by the symmetrical handspike 5 of 3 top welded and installed of carrier,
Oil drum main body 1 will be carried again and is pushed into required plus tank machine side, is then pressed down against by the way that air-pressure beam-pumping unit 2 is overall, it is interior at this time
The air-inflating valve 205 in portion starts to produce air pressure, because being added with sealing ring 204, it is not such as caused when being irrigated for a long time
Internal air pressure leakage, then stored the air pressure squeezed out by cylinder 206, while start to show in air gauge 202
Pressure value, then be placed on by refueling nozzle 4 inside the machine oil filler of required addition lubricating oil, handle 401 is held, pressing adds
Fuel tap 403, at this time, because inside and outside air pressure is different, makes its electro-insulating rubber pipe 201 take out the lubricating oil carried inside oil drum main body 1
Go out, sprayed by nozzle 404.
Although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
Understanding without departing from the principles and spirit of the present invention can carry out these embodiments a variety of changes, modification, replace
And modification, the scope of the present invention is defined by the appended.
Claims (7)
1. one kind plus lube plant, including carry oil drum main body（1）, air-pressure beam-pumping unit（2）And refueling nozzle（4）, it is characterised in that：
It is described to carry oil drum main body using antistatic metal material is manufactured（1）Top be equipped with fuel feed hole（101）, the fuel feed hole
（101）Embedded be arranged on carries oil drum main body（1）In, the load oil drum main body（1）Top be equipped with efferent duct（102）, it is described defeated
Outlet pipe（102）Embedded be arranged on carries oil drum main body（1）In, the load oil drum main body（1）Front end air-pressure beam-pumping unit is installed
（2）, the air-pressure beam-pumping unit（2）With carrying oil drum main body（1）Seamless welding, the air-pressure beam-pumping unit（2）Left end be equipped with it is true
Blank pipe（203）, the vacuum tube（203）With air-pressure beam-pumping unit（2）Seamless welding, the vacuum tube（203）Left end be equipped with it is exhausted
Edge rubber tube（201）, the electro-insulating rubber pipe（201）It is nested in vacuum tube（203）In, the air-pressure beam-pumping unit（2）Inside
Equipped with air-inflating valve（205）, the air-inflating valve（205）Insertion is arranged on air-pressure beam-pumping unit（2）In, the air-inflating valve（205）Bottom
End is equipped with cylinder（206）, the cylinder（206）Insertion is arranged on air-inflating valve（205）In, the cylinder（206）Bottom installation
There is adapter（207）, the adapter（207）Insertion is arranged on cylinder（206）In, the load oil drum main body（1）Bottom is equipped with
Carrier（3）, the carrier（3）With carrying oil drum main body（1）Fit closely, the carrier（3）Top hand push is installed
Bar（5）, the handspike（5）One end and carrier（3）Seamless welding, the handspike（5）Top be equipped with refueling nozzle
（4）, the refueling nozzle（4）With handspike（5）It is flexibly connected, the refueling nozzle（4）Right side be equipped with handle（401）And priming valve
（403）, the handle（401）And priming valve（403）Insertion is arranged on refueling nozzle（4）In, the refueling nozzle（4）Inside set
There is vacuum funnel（402）, the vacuum funnel（402）Insertion is arranged on refueling nozzle（4）In.
A kind of 2. plus lube plant according to claim 1, it is characterised in that：The air-pressure beam-pumping unit（2）Right end
Equipped with pressure gauge（202）, and pressure gauge（202）Insertion is arranged on air-pressure beam-pumping unit（2）In.
A kind of 3. plus lube plant according to claim 1, it is characterised in that：The air-pressure beam-pumping unit（2）Bottom
Equipped with the sealing ring in " annulus " shape（204）, the sealing ring（204）Insertion is arranged on air-pressure beam-pumping unit（2）In, and by viscous
Glue is sealed fixation.
A kind of 4. plus lube plant according to claim 1, it is characterised in that：The carrier（3）Bottom be all provided with
There is symmetrical universal wheel（301）, and universal wheel（301）With carrier（3）Used nut is flexibly connected.
A kind of 5. plus lube plant according to claim 1, it is characterised in that：The refueling nozzle（3）Bottom it is on the lower side
Equipped with nozzle（404）, and nozzle（404）Insertion is arranged on refueling nozzle（3）In, and fixed with exterior screw thread rotation.
A kind of 6. plus lube plant according to claim 1, it is characterised in that：The handspike（5）Right side be equipped with
Oil gun sheath（501）, and oil gun sheath（501）With handspike（5）Seamless welding.
A kind of 7. plus lube plant according to claim 1, it is characterised in that：The handspike（5）Right side be equipped with
In the hook of " L " shape（502）, and link up with（502）With handspike（5）Seamless welding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711311747.9A CN107940213A (en) | 2017-12-11 | 2017-12-11 | One kind plus lube plant |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711311747.9A CN107940213A (en) | 2017-12-11 | 2017-12-11 | One kind plus lube plant |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107940213A true CN107940213A (en) | 2018-04-20 |
Family
ID=61945578
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711311747.9A Pending CN107940213A (en) | 2017-12-11 | 2017-12-11 | One kind plus lube plant |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107940213A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108916623A (en) * | 2018-08-07 | 2018-11-30 | 赣州蓉江新区高校园区京航汽车零配件销售部 | A kind of automobile engine oil adder |
| CN109027646A (en) * | 2018-08-03 | 2018-12-18 | 赣州蓉江新区高校园区京航汽车零配件销售部 | A kind of automotive material automobile filling lubricating oil equipment |
| CN110953475A (en) * | 2019-11-30 | 2020-04-03 | 江苏伯能机床制造有限公司 | Lubricating oil filling device for machine tool machining |
| CN111256016A (en) * | 2020-03-27 | 2020-06-09 | 深圳西通流体技术有限公司 | Intelligent point-to-point centralized lubricating system device for mechanical bearing and lubricating method |
| CN113683049A (en) * | 2021-09-08 | 2021-11-23 | 哈尔滨工程大学 | Oil filling device |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN88210857U (en) * | 1988-03-04 | 1988-11-30 | 王柏青 | Air-pressure type fuel charger |
| US5449051A (en) * | 1993-12-16 | 1995-09-12 | Liao; Pen-Huai | Pneumatic oil lubricator |
| CN205606150U (en) * | 2016-04-18 | 2016-09-28 | 天津渤商电子商务有限公司 | Multi -functional lubricating oil filling device |
| CN207848916U (en) * | 2017-12-11 | 2018-09-11 | 无锡市飞天油脂有限公司 | One kind plus lube plant |
-
2017
- 2017-12-11 CN CN201711311747.9A patent/CN107940213A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN88210857U (en) * | 1988-03-04 | 1988-11-30 | 王柏青 | Air-pressure type fuel charger |
| US5449051A (en) * | 1993-12-16 | 1995-09-12 | Liao; Pen-Huai | Pneumatic oil lubricator |
| CN205606150U (en) * | 2016-04-18 | 2016-09-28 | 天津渤商电子商务有限公司 | Multi -functional lubricating oil filling device |
| CN207848916U (en) * | 2017-12-11 | 2018-09-11 | 无锡市飞天油脂有限公司 | One kind plus lube plant |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109027646A (en) * | 2018-08-03 | 2018-12-18 | 赣州蓉江新区高校园区京航汽车零配件销售部 | A kind of automotive material automobile filling lubricating oil equipment |
| CN109027646B (en) * | 2018-08-03 | 2020-06-19 | 温州莱益机械有限公司 | Automobile lubricating oil filling equipment for automobile materials |
| CN108916623A (en) * | 2018-08-07 | 2018-11-30 | 赣州蓉江新区高校园区京航汽车零配件销售部 | A kind of automobile engine oil adder |
| CN110953475A (en) * | 2019-11-30 | 2020-04-03 | 江苏伯能机床制造有限公司 | Lubricating oil filling device for machine tool machining |
| CN111256016A (en) * | 2020-03-27 | 2020-06-09 | 深圳西通流体技术有限公司 | Intelligent point-to-point centralized lubricating system device for mechanical bearing and lubricating method |
| CN113683049A (en) * | 2021-09-08 | 2021-11-23 | 哈尔滨工程大学 | Oil filling device |
| CN113683049B (en) * | 2021-09-08 | 2022-12-06 | 哈尔滨工程大学 | Oil filling device |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180420 |
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| RJ01 | Rejection of invention patent application after publication |