CN118066455A - Forced lubrication device for oilless machine set - Google Patents
Forced lubrication device for oilless machine set Download PDFInfo
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- CN118066455A CN118066455A CN202410018540.6A CN202410018540A CN118066455A CN 118066455 A CN118066455 A CN 118066455A CN 202410018540 A CN202410018540 A CN 202410018540A CN 118066455 A CN118066455 A CN 118066455A
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- oil
- oil tank
- air duct
- mist
- tank
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- 238000005461 lubrication Methods 0.000 title claims abstract description 25
- 239000003595 mist Substances 0.000 claims abstract description 103
- 238000000926 separation method Methods 0.000 claims abstract description 53
- 239000003921 oil Substances 0.000 claims description 351
- 239000010687 lubricating oil Substances 0.000 claims description 17
- 238000013022 venting Methods 0.000 claims 2
- 239000007788 liquid Substances 0.000 description 12
- 238000002347 injection Methods 0.000 description 7
- 239000007924 injection Substances 0.000 description 7
- 238000009423 ventilation Methods 0.000 description 7
- 230000000694 effects Effects 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 230000000630 rising effect Effects 0.000 description 2
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Lubrication Details And Ventilation Of Internal Combustion Engines (AREA)
Abstract
The invention provides a forced lubrication device for an oil-free unit, which comprises a box body, wherein a base is arranged at the bottom of the box body, and corner posts of the box body are arranged at four corners of the base; the base is provided with an oil tank, an oil pump and an oil mist separation core are arranged in the oil tank, and the oil tank is provided with a motor for driving the oil pump, an oil supply hole communicated with an oil outlet end of the oil pump and an oil return pipe for external communication; an air duct is arranged in one corner column adjacent to the oil tank, an air inlet is arranged at the lower part of the air duct, the air inlet is communicated with an air outlet of the oil mist separation core, an air outlet is arranged at the upper part of the air duct, at least one oil mist baffle is arranged between the air inlet and the air outlet in the air duct, and an oil drop oil return hole is arranged at the bottom of the air duct and is communicated with the oil tank. The invention utilizes the body structure of the box body of the integrated oil-free unit, and is provided with the components capable of secondarily separating oil mist, thereby reducing the assembled parts and the assembly workload.
Description
Technical Field
The invention relates to the technical field of lubricating oil stations of oilless units such as oilless blowers, oilless air compressors and the like, in particular to a forced lubrication device for the oilless units.
Background
The main engine of the oilless air blower, the oilless air compressor and other oilless units is provided with an oil tank, when the unit works, lubricating oil in the oil tank needs to be added into the lubricating oil cavities at two ends to lubricate and cool the bearings and gears, and the motion friction parts in the gear box especially need forced lubrication. When the lubricating oil is circularly stirred in the oilless unit, a large amount of oil mist can be generated, the oil mist can be discharged out of the oil tank through a respirator at the top of the oil tank and is filled in the tank body of the integrated oilless unit, so that oil drops or oil liquid formed by the condensation of the oil mist can exist on the surfaces of a plurality of parts in the tank body, the oil mist can be sucked into a host again by the oilless unit, the compressed fluid is polluted, and qualified oilless compressed fluid cannot be provided for a user, so that the user suffers loss.
Disclosure of Invention
The technical problem to be solved by the invention is to provide a forced lubrication device for an oilless unit, which can not only carry out forced oil supply on the oilless unit, but also receive oil return and escaped oil mist in the oilless unit and carry out effective gas-liquid separation on the oil mist; the oil mist separator has the advantages that the oil mist separator can be arranged on the premise that the inner space of the box body of the integrated oil-free unit is not additionally occupied, the body structure of the box body of the integrated oil-free unit is only utilized, the parts capable of carrying out secondary separation on oil mist are arranged, the oil mist separation efficiency can be improved, the oil mist level outside the box body of the integrated oil-free unit can be reduced, the loss of lubricating oil can be reduced, and the assembled parts and the assembly workload can be reduced.
The technical scheme of the invention is that the forced lubrication device for the oil-free unit comprises a box body, wherein a base is arranged at the bottom of the box body, and corner posts of the box body are arranged at four corners of the base; the base is provided with an oil tank, an oil pump and an oil mist separation core are arranged in the oil tank, and the oil tank is provided with a motor for driving the oil pump, an oil supply hole communicated with an oil outlet end of the oil pump and an oil return pipe for external communication; an air duct is arranged in one corner column adjacent to the oil tank, an air inlet is arranged at the lower part of the air duct, the air inlet is communicated with an air outlet of the oil mist separation core, an air outlet is arranged at the upper part of the air duct, at least one oil mist baffle is arranged between the air inlet and the air outlet in the air duct, and an oil drop oil return hole is arranged at the bottom of the air duct and is communicated with the oil tank.
Compared with the prior art, the forced lubrication device for the oil-free unit has the following advantages: the oil tank can be used for forcedly supplying oil to the oil-free unit through the oil pump, and can be communicated with the oil tank of the oil-free unit through the oil return pipe so as to receive return oil in the oil-free unit and escaped oil mist and effectively separate the oil mist into gas and liquid through the oil mist separation core; to the little oil mist that escapes in the follow oil mist separation core then can carry out secondary separation through the corner post that is provided with the wind channel, oil mist in the access wind channel is through colliding with the lateral wall and the oil mist baffle in wind channel, constantly cooling and gas-liquid separation, finally condense into the oil drip to the bottom in wind channel, and in flowing back to the oil tank through the oil drop oil gallery, improve the efficiency of oil mist separation, reduce the oil mist level outside the box of escaping integrated oilless machine group, reduce the loss of lubricating oil, moreover, the corner post that carries out secondary separation to the oil mist is the body structure that utilizes the box of integrated oilless machine group, do not additionally occupy the box inner space of integrated oilless machine group, the spare part of assembly and assembly work load have been reduced.
Preferably, at least two oil mist baffles are arranged, and projections of two adjacent oil mist baffles on the cross section of the air duct are staggered. By adopting the structure, the oil mist baffle can not prevent oil mist from rising, and oil mist in the air inlet duct can collide with each oil mist baffle, so that the oil mist and liquid separation efficiency is improved.
Preferably, projections of two oil mist baffles adjacent to each other up and down on the cross section of the air duct can be combined into the cross section of the complete air duct. By adopting the structure, the oil mist in the air inlet duct can collide with each oil mist baffle sufficiently, the effective area of collision between the oil mist baffle and the oil mist is increased, and the efficiency of oil mist gas-liquid separation is improved.
Preferably, the air inlet and the air outlet are respectively arranged on two side walls of the air duct. By adopting the structure, the air inlet is arranged on the side wall of the air duct, so that oil mist introduced into the air duct collides with the side wall of the air duct, and oil drops can be condensed on the side wall of the air duct; the exhaust outlet is arranged on the side wall of the air duct, so that oil mist can collide with the top of the air duct after rising, and oil drops can be coagulated at the top of the air duct.
Preferably, an oil drop oil return pipe is arranged in the corner column where the air duct is positioned, the oil drop oil return pipe is positioned below the air duct, and the high end of the oil drop oil return pipe is communicated with the inside of the air duct by connecting an oil drop oil return hole; the side wall of the oil tank is provided with an oil drop return nozzle, and the low end of the oil drop return pipe is communicated with the inside of the oil tank by connecting the oil drop return nozzle. By adopting the structure, the oil drop oil return pipe is arranged in the corner column, and the space in the box body of the integrated oil-free unit is not additionally occupied.
Preferably, the side wall of the oil tank is provided with an oil level mirror, the oil drop return nozzle is lower than the oil level mirror, and the oil return pipe is not lower than the oil level mirror. By adopting the structure, the oil drop return nozzle is lower than the oil level mirror, and the oil level in the oil tank is observed through the oil level mirror, so that the oil drop return nozzle can be ensured to be sealed below the oil level in the oil tank, and oil mist in the oil tank is prevented from directly entering the air duct from the oil drop return nozzle through the oil drop return pipe; the oil return pipe is not lower than the oil level mirror, and the oil level in the oil tank is observed through the oil level mirror, so that the oil tank can receive return oil and oil mist in an oilless unit.
Preferably, a first guide plate opposite to the oil return pipe is arranged in the oil tank, and the first guide plate is obliquely arranged from top to bottom and extends to the side wall or the bottom of the oil tank. By adopting the structure, return oil and oil mist in the oil-free unit can flow to the side wall or the bottom of the oil tank along the first guide plate after entering the oil tank, and the fluctuation of the liquid level in the oil tank caused by the return oil with flow speed and the oil mist with positive pressure is prevented.
Preferably, the top of the oil tank is provided with a first oil filling hole which is opposite to the first guide plate and used for filling lubricating oil into the oil tank. By adopting the structure, under the condition of not disassembling the oil-free unit, lubricating oil is conveniently injected into the oil tank through the first oil injection hole, the oil-free unit is required to be disassembled firstly when the lubricating oil is injected into the oil tank through the oil return pipe, the injected lubricating oil can flow to the side wall or the bottom of the oil tank along the first guide plate in a flat and steady manner, and the fluctuation of the liquid level in the oil tank is prevented.
Preferably, the top of the oil tank is provided with a second oil filling hole, a second guide plate opposite to the second oil filling hole is arranged in the oil tank, and the second guide plate is obliquely arranged from top to bottom and extends to the side wall or the bottom of the oil tank. By adopting the structure, the lubricating oil is conveniently injected into the oil tank through the first oil injection hole and the second oil injection hole, and the injected lubricating oil can smoothly flow to the side wall or the bottom of the oil tank along the corresponding first guide plate and second guide plate, so that the fluctuation of the liquid level in the oil tank is prevented.
Preferably, the top of the oil tank is provided with a ventilation cap, and the ventilation cap is locked and closed by a bolt. With the structure, the oil tank of the invention can be compatible with the oil tank of the prior art; the ventilation cap is sealed, and a certain micro-positive pressure can be maintained in the oil tank, so that oil mist can smoothly enter the oil mist separation core, and the oil mist is prevented from directly escaping from the ventilation cap.
Preferably, the oil tank is provided with a separation core mounting seat, the oil mist separation core is mounted on the separation core mounting seat and extends into the oil tank, a fan is arranged at an air outlet of the oil mist separation core on the separation core mounting seat, and an air guide pipe is arranged at the air outlet of the fan and is communicated with the air inlet. By adopting the structure, the oil mist escaping from the air outlet of the oil mist separation core can be smoothly sent into the air duct of the corner post by the fan for secondary separation, and the influence of unsmooth passing of the oil mist in the air duct on the secondary separation effect is avoided.
Drawings
Fig. 1 is a schematic view of the internal structure of a forced lubrication device for an oilless engine unit according to the present invention.
Fig. 2 is a schematic structural view of an oil tank in the forced lubrication apparatus for an oilless machine set according to the present invention.
Fig. 3 is a schematic view showing the internal structure of an oil tank in the forced lubrication apparatus for an oilless machine set according to the present invention.
Fig. 4 is a schematic view of the structure of a corner post in the forced lubrication device for the oilless engine unit of the present invention.
Fig. 5 is a schematic view showing the internal structure of a corner post in the forced lubrication device for an oilless engine unit according to the present invention.
As shown in the figure: 1. the oil-mist separation device comprises a base, 2, an oil tank, 2-1, an oil pump, 2-2, a motor, 2-3, a filter, 2-4, an oil mist separation core, 2-5, an oil return pipe, 2-6, a first oil injection hole, 2-7, a second oil injection hole, 2-8, a first guide plate, 2-9, a second guide plate, 2-10, an oil supply hole, 2-11, an oil discharge valve, 2-12, an oil level mirror, 2-13, an air guide pipe, 2-14, a separation core mounting seat, 2-15, an oil-mist return nozzle, 2-16, an air vent cap, 3, a corner post, 3-1, an air duct, 3-2, an air outlet, 3-3, an oil mist baffle, 3-4, an oil-mist return hole, 3-5, an oil-mist return pipe, 3-6 and an air inlet.
Detailed Description
For a better understanding of the application, various aspects of the application will be described in more detail with reference to the accompanying drawings. It should be understood that the detailed description is merely illustrative of exemplary embodiments of the application and is not intended to limit the scope of the application in any way. Like reference numerals refer to like elements throughout the specification.
In the drawings, the thickness, size and shape of the object have been slightly exaggerated for convenience of explanation. The figures are merely examples and are not drawn to scale.
It will be further understood that the terms "comprises," "comprising," "includes," "including" and/or "having," when used in this specification, specify the presence of stated features, integers, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and/or groups thereof. Furthermore, when a statement such as "… at least one" appears after a list of features listed, the entire listed feature is modified rather than the individual elements in the list.
The forced lubrication device for the oil-free unit comprises a box body, wherein a base 1 is arranged at the bottom of the box body, corner posts of the box body are arranged at four corners of the base 1, as shown in fig. 1, an oil tank 2 is arranged on the base 1, and one corner post 3 adjacent to the oil tank 2 is communicated with the oil tank 2. The base 1 can also be provided with a host machine of an oilless machine set such as an oilless blower, an oilless air compressor and the like.
As shown in fig. 2 and 3, an oil pump 2-1 and an oil mist separation core 2-4 are arranged in an oil tank 2, a motor 2-2 for driving the oil pump 2-1 is arranged on the oil tank 2, an oil suction port of the oil pump 2-1 is positioned at the bottom of the oil tank 2, and a filter 2-3 is arranged at the oil suction port of the oil pump 2-1; the top of the oil tank 2 is provided with an oil supply hole 2-10, and the oil supply hole 2-10 is communicated with an oil outlet end of the oil pump 2-1 and is used for forcedly supplying oil to a host machine of an adjacent oilless unit.
The oil tank 2 is provided with a separation core mounting seat 2-14, the oil mist separation core 2-4 is mounted on the separation core mounting seat 2-14 and extends into the oil tank 2, a separation core oil return pipe is arranged in the oil mist separation core 2-4, and the separation core oil return pipe is communicated to the bottom of the oil tank 2 to ensure that the oil in the oil tank 2 is sealed by oil liquid. The separation core mounting seat 2-14 is provided with an air guide pipe 2-13, and the air guide pipe 2-13 is communicated with an air outlet of the oil mist separation core 2-4.
The side wall of one side of the oil tank 2 is provided with an oil return pipe 2-5, and the oil tank 2 of the invention can be communicated with the oil tank of an adjacent oilless unit through the oil return pipe 2-5 and is used for receiving the return oil and oil mist of the oil tank of the oilless unit. The oil tank 2 is internally provided with a first guide plate 2-8 which is opposite to the oil return pipe 2-5, the first guide plate 2-8 is obliquely arranged from top to bottom and extends to the side wall of the oil tank 2, and return oil and oil mist in the oil-free unit can smoothly flow to the side wall or the bottom of the oil tank 2 along the first guide plate 2-8 after entering the oil tank of the invention, so that the fluctuation of the liquid level in the oil tank caused by the return oil with flow velocity and the oil mist with positive pressure is prevented.
The top of the oil tank 2 is provided with a first oil filling hole 2-6 and a second oil filling hole 2-7, the first oil filling hole 2-6 is opposite to the first guide plate 2-8, the oil tank 2 is internally provided with a second guide plate 2-9 opposite to the second oil filling hole 2-7, and the second guide plate 2-9 is obliquely arranged from top to bottom and extends to the bottom of the oil tank 2. Lubricating oil can be injected into the oil tank 2 through the first oil injection hole 2-6 and the second oil injection hole 2-7, and the injected lubricating oil can smoothly flow to the side wall or the bottom of the oil tank 2 along the corresponding first guide plate 2-8 and second guide plate 2-9, so that the fluctuation of the liquid level in the oil tank is prevented.
The top of the oil tank 2 is provided with the ventilation cap 2-16, the oil tank of the invention can be compatible with the oil tank in the prior art, the ventilation cap 2-16 is locked and sealed by adopting bolts, certain micro-positive pressure can be kept in the oil tank, oil mist can smoothly enter the oil mist separation core 2-4, and the oil mist is prevented from directly escaping from the ventilation cap 2-16.
The side wall of the other side of the oil tank 2 is provided with an oil level mirror 2-12, an oil drop return nozzle 2-15 and an oil discharge valve 2-11, and the oil drop return nozzle 2-15 is lower than the oil level mirror 2-12. The oil level in the oil tank 2 is observed through the oil level mirror 2-12, so that lubricating oil can be timely replenished into the oil tank 2, the oil drop return nozzle 2-15 is ensured to be sealed below the oil level in the oil tank 2, and oil mist in the oil tank is prevented from directly escaping from the oil drop return nozzle 2-15. The oil drain valve 2-11 is positioned at the bottom of the oil tank 2, so that the lubricating oil in the oil tank 2 is conveniently drained. The oil return pipe 2-5 is slightly higher than the oil level mirror 2-12, and the oil level in the oil tank 2 is observed through the oil level mirror 2-12, so that the oil tank 2 can receive the return oil and the oil mist in the oilless unit.
As shown in fig. 4 and 5, an air duct 3-1 is arranged in the corner column 3, an air inlet 3-6 is arranged at the lower part of the air duct 3-1, and the air inlet 3-6 is connected with an air guide pipe 2-13 and is communicated with an air outlet of an oil mist separation core 2-4; the upper part of the air duct 3-1 is provided with an air outlet 3-2, and the air inlet 3-6 and the air outlet 3-2 are respectively arranged on two side walls of the air duct 3-1; three oil mist baffle plates 3-3 are arranged between the air inlet 3-6 and the air outlet 3-2 in the air duct 3-1, and projections of two oil mist baffle plates 3-3 adjacent up and down on the cross section of the air duct 3-1 are staggered mutually and can be combined into the cross section of the complete air duct 3-1; the bottom of the air duct 3-1 is provided with an oil drop oil return hole 3-4, an oil drop oil return pipe 3-5 is arranged in a corner column where the air duct 3-1 is located, the oil drop oil return pipe 3-5 is located below the air duct 3-1, the high end of the oil drop oil return pipe 3-5 is communicated with the inside of the air duct 3-1 through being connected with the oil drop oil return hole 3-4, and the low end of the oil drop oil return pipe 3-5 is communicated with the inside of the oil tank 2 through being connected with an oil drop oil return nozzle 2-15.
For small part of oil mist escaping from the oil mist separation core 2-4, secondary separation can be carried out through a corner column provided with an air duct 3-1, oil mist flowing into the air duct 3-1 collides with the side wall of the air duct 3-1 at first, oil mist is cooled and condensed on the side wall of the air duct 3-1, then the oil mist rises to collide with three oil mist baffles 3-3 in sequence, the oil mist is cooled and condensed on the oil mist baffles 3-3, then the oil mist continuously rises to collide with the top of the air duct 3-1, the condensed oil mist is cooled and condensed on the top of the air duct 3-1, all the condensed oil mist falls to the bottom of the air duct 3-1, flows back into an oil tank 2 through an oil mist return pipe 3-5, and gas after secondary separation is discharged to the outside through an exhaust outlet 3-2.
In other embodiments, a fan may be disposed on the separation core mounting seat 2-14, the fan is disposed at an air outlet of the oil mist separation core 2-4, and the air outlet of the fan is in butt joint with the air guide pipe 2-13, so that the oil mist escaping from the air outlet of the oil mist separation core 2-4 can be smoothly sent into the air duct 3-1 of the corner post 3 by the fan to perform secondary separation, and the phenomenon that the oil mist passes through the air duct and affects the secondary separation effect is avoided.
The foregoing is merely exemplary of the present invention and is not intended to limit the scope of the present invention; modifications and equivalent substitutions are intended to be included in the scope of the claims without departing from the spirit and scope of the present invention.
Claims (11)
1. The forced lubrication device for the oil-free unit comprises a box body, wherein a base (1) is arranged at the bottom of the box body, and corner posts of the box body are arranged at four corners of the base (1); an oil tank (2) is arranged on the base (1), an oil pump (2-1) and an oil mist separation core (2-4) are arranged in the oil tank (2), a motor (2-2) for driving the oil pump (2-1), an oil supply hole (2-10) communicated with an oil outlet end of the oil pump (2-1) and an oil return pipe (2-5) for communicating with the outside are arranged on the oil tank (2); the oil-mist oil tank is characterized in that an air duct (3-1) is arranged in one corner column adjacent to the oil tank (2), an air inlet (3-6) is arranged at the lower part of the air duct (3-1), the air inlet (3-6) is communicated with an air outlet of the oil-mist separation core (2-4), an air outlet (3-2) is arranged at the upper part of the air duct (3-1), at least one oil-mist baffle (3-3) is arranged between the air inlet (3-6) and the air outlet (3-2) in the air duct (3-1), an oil-mist oil return hole (3-4) is formed in the bottom of the air duct (3-1), and the oil-mist oil return hole (3-4) is communicated with the oil tank (2).
2. A forced lubrication device for an oilless machine set according to claim 1, wherein at least two oil mist baffle plates (3-3) are provided, and projections of two oil mist baffle plates (3-3) adjacent to each other on a cross section of the air duct (3-1) are offset from each other.
3. A forced lubrication device for an oilless machine set according to claim 2, characterized in that the projections of two oil mist baffle plates (3-3) adjacent to each other up and down on the cross section of the air duct (3-1) can be combined into the cross section of the complete air duct (3-1).
4. Forced lubrication device for an oilless machine set according to claim 1, characterized in that the air inlet (3-6) and the air outlet (3-2) are provided on both side walls of the air duct (3-1), respectively.
5. The forced lubrication device for the oil-free unit according to claim 1, wherein an oil drop oil return pipe (3-5) is arranged in a corner column where the air duct (3-1) is located, the oil drop oil return pipe (3-5) is located below the air duct (3-1), and the high end of the oil drop oil return pipe (3-5) is communicated with the inside of the air duct (3-1) through a connecting oil drop oil return hole (3-4); the side wall of the oil tank (2) is provided with an oil drop return nozzle (2-15), and the lower end of the oil drop return pipe (3-5) is communicated with the inside of the oil tank (2) through connecting the oil drop return nozzle (2-15).
6. The forced lubrication device for an oilless machine set according to claim 5, wherein an oil level mirror (2-12) is provided on a side wall of the oil tank (2), the oil return nozzle (2-15) is lower than the oil level mirror (2-12), and the oil return pipe (2-5) is not lower than the oil level mirror (2-12).
7. Forced lubrication device for an oilless machine set according to claim 1, characterized in that a first deflector (2-8) is arranged in the oil tank (2) opposite to the oil return pipe (2-5), the first deflector (2-8) being arranged obliquely from top to bottom and extending towards the side wall or bottom of the oil tank (2).
8. Forced lubrication device for an oilless machine set according to claim 7, characterized in that the top of the oil tank (2) is provided with a first oil filling hole (2-6), the first oil filling hole (2-6) being opposite to the first deflector (2-8) and being used for filling the oil tank (2) with lubricating oil.
9. The forced lubrication device for an oil-free set according to claim 7, wherein a second oil filling hole (2-7) is provided at the top of the oil tank (2), a second deflector (2-9) is provided in the oil tank (2) opposite to the second oil filling hole (2-7), and the second deflector (2-9) is provided obliquely from top to bottom and extends toward the side wall or bottom of the oil tank (2).
10. Forced lubrication device for an oilless machine set according to claim 1, characterized in that the top of the oil tank (2) is provided with a venting cap (2-16), the venting cap (2-16) being closed by means of a bolt lock.
11. The forced lubrication device for the oil-free unit according to claim 1, wherein a separation core mounting seat (2-14) is arranged on the oil tank (2), the oil mist separation core (2-4) is mounted on the separation core mounting seat (2-14) and stretches into the oil tank (2), a fan is arranged at an air outlet of the oil mist separation core (2-4) on the separation core mounting seat (2-14), an air guide pipe (2-13) is arranged at the air outlet of the fan, and the air guide pipe (2-13) is communicated with the air inlet (3-6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410018540.6A CN118066455A (en) | 2024-01-05 | 2024-01-05 | Forced lubrication device for oilless machine set |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410018540.6A CN118066455A (en) | 2024-01-05 | 2024-01-05 | Forced lubrication device for oilless machine set |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN118066455A true CN118066455A (en) | 2024-05-24 |
Family
ID=91109888
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202410018540.6A Pending CN118066455A (en) | 2024-01-05 | 2024-01-05 | Forced lubrication device for oilless machine set |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN118066455A (en) |
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2024
- 2024-01-05 CN CN202410018540.6A patent/CN118066455A/en active Pending
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