CN110449980A - A kind of lubricating system with trace amount and its output fuel-flow control method - Google Patents
A kind of lubricating system with trace amount and its output fuel-flow control method Download PDFInfo
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- CN110449980A CN110449980A CN201910601006.7A CN201910601006A CN110449980A CN 110449980 A CN110449980 A CN 110449980A CN 201910601006 A CN201910601006 A CN 201910601006A CN 110449980 A CN110449980 A CN 110449980A
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- oil
- trace amount
- lubricating system
- valve
- control
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q11/00—Accessories fitted to machine tools for keeping tools or parts of the machine in good working condition or for cooling work; Safety devices specially combined with or arranged in, or specially adapted for use in connection with, machine tools
- B23Q11/10—Arrangements for cooling or lubricating tools or work
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q11/00—Accessories fitted to machine tools for keeping tools or parts of the machine in good working condition or for cooling work; Safety devices specially combined with or arranged in, or specially adapted for use in connection with, machine tools
- B23Q11/10—Arrangements for cooling or lubricating tools or work
- B23Q11/1038—Arrangements for cooling or lubricating tools or work using cutting liquids with special characteristics, e.g. flow rate, quality
- B23Q11/1046—Arrangements for cooling or lubricating tools or work using cutting liquids with special characteristics, e.g. flow rate, quality using a minimal quantity of lubricant
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q11/00—Accessories fitted to machine tools for keeping tools or parts of the machine in good working condition or for cooling work; Safety devices specially combined with or arranged in, or specially adapted for use in connection with, machine tools
- B23Q11/10—Arrangements for cooling or lubricating tools or work
- B23Q11/1076—Arrangements for cooling or lubricating tools or work with a cutting liquid nozzle specially adaptable to different kinds of machining operations
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Jet Pumps And Other Pumps (AREA)
Abstract
The invention discloses a kind of lubricating system with trace amount and its output fuel-flow control methods, which includes nozzle；Liquid flow channel for oil is arranged between liquid storage container and nozzle, on-off control valve is provided in liquid flow channel for oil for liquid storage container, and on-off control valve periodically opens and closes；First gas runner is connected to the liquid storage container；Second gas runner is connected to the nozzle, and the first gas runner and the second gas runner are parallel with one another；And regulation component, including the pressure-regulating valve being arranged on the first gas runner., it can be achieved that accurate fuel-flow control under the common adjusting control of regulation component and on-off control valve.On-off control valve replaces mechanical type oil pump, and there is no bring control precision problems due to parts depreciation.Meanwhile large range of fuel-flow control can be realized by controlling the system, a variety of processing scenes can be met.
Description
Technical field
The present invention relates to Minimal Quantity Lubrication Technology field, in particular to a kind of lubricating system with trace amount and its output fuel-flow control side
Method.
Background technique
With the raising in recent years to sustainability production method attention degree, Minimal Quantity Lubrication Technology is as a kind of typical green
Color processing cooling and lubricating mode has been to be concerned by more and more people.Comparison traditional wet processing cutting fluid bring environmental problem,
Health hazard and necessary matched cutting fluid filtration cycle sterilization system and sewage discharge processing system, Minimal Quantity Lubrication Technology can
To accomplish to avoid the generation of problem above completely, while greatly reducing cutting fluid waste and sewage treatment bring cost.
In addition, being used in the processing of the typical materials such as stainless steel, aluminium alloy, titanium alloy and the materials such as CFRP laminated material and ceramics
Minimal Quantity Lubrication Technology also has been found comparison traditional wet processing and possesses brighter and cleaner workpiece surface roughness, more efficient processing
Efficiency and the effect for promoting cutter life.
Currently, the mode of oil-control and conveying lubricating oil that common lubricating system with trace amount uses is by mechanical pump pumping lubrication
Oil is delivered at mist of oil mixing and breaks up lubricating oil formation mist of oil with compressed gas.
Conventional mechanical pump is all that oil mass output is controlled by frequency generator and ram travel, oil mass output and adjustable
Precision is affected by plunger rod precision and the degree of wear, long-term operation it is easy to wear and replacement and it is difficult in maintenance.General small flow
More accurate mechanical pump be all external production, buying replacement is got up not only expensive but also difficult, and pumps oil mass control methods more
It is fixed, it is optional without too many fuel-flow control range.
Another common lubricating system with trace amount uses venturi phenomenon, and a small amount of mist of oil is sucked out.It is imitated according to venturi
Reply lubricating oil generates self-priming and acts on and be atomized, and can get fine and closely woven mist of oil, but overall application higher cost, several below major embodiment
Aspect: (1) needing special designing, and mist of oil clean level is more demanding in itself, to avoid blocking Venturi nozzle；(2) literary mound
In structure itself can not accurately adjust mist of oil output quantity, need to by complicated voltage-regulating system realize mist of oil output adjust, control difficulty
Greatly.
Summary of the invention
The purpose of the present invention is to provide a kind of lubricating system with trace amount and its output fuel-flow control methods, can be realized oil mass
The accurate control of output, while the lubricating system with trace amount is at low cost, not easy to wear, easy to maintain, the control range for exporting oil mass is big.
According to the first aspect of the invention, a kind of lubricating system with trace amount is provided, comprising:
Nozzle；
Liquid storage container is provided with liquid flow channel for oil, is arranged in the liquid flow channel for oil between the liquid storage container and the nozzle
There is on-off control valve, the on-off control valve periodically opens and closes；
First gas runner is connected to the liquid storage container；
Second gas runner is connected to the nozzle, and the first gas runner and the second gas runner are mutually simultaneously
Connection；And
Regulation component, including the pressure-regulating valve being arranged on the first gas runner.
The lubricating system with trace amount for accurately controlling oil mass according to a first aspect of the present invention, the on-off control valve electricity
It is connected with controller.
The lubricating system with trace amount for accurately controlling oil mass, the regulation component are also wrapped according to a first aspect of the present invention
First switch valve is included, the first switch valve is electrically connected with the controller.
The lubricating system with trace amount for accurately controlling oil mass, the regulation component are also wrapped according to a first aspect of the present invention
Gas flow valve is included, the successive gas coming through flow valve of gas source and pressure-regulating valve of the first gas runner are passed through.
The lubricating system with trace amount for accurately controlling oil mass according to a first aspect of the present invention, the second gas runner
On be provided with second switch valve, the second switch valve is electrically connected with the controller.
The lubricating system with trace amount for accurately controlling oil mass, the on-off control valve are according to a first aspect of the present invention
Electronic oil pump.
According to the second aspect of the invention, a kind of output fuel-flow control method of lubricating system with trace amount is provided, including can essence
The really lubricating system with trace amount of control oil mass, comprising the following steps:
Pressure-regulating valve is adjusted, the pressure value in liquid storage container is controlled, and then controls the stream that oil liquid flows out to liquid flow channel for oil
Speed；
The duration of duration and closing that the on-off control valve is periodically opened is controlled, the oil mass to realize liquid flow channel for oil is defeated
It controls out.
The output fuel-flow control method of the lubricating system with trace amount according to a second aspect of the present invention defines on-off control valve
A length of first duration when in the open state, when a length of second duration for defining that on-off control valve is in close state, on-off
One duty cycle of control valve be the first duration and the second duration summation, 0.1 second≤duty cycle≤0.2 second.
The output fuel-flow control method of the lubricating system with trace amount according to a second aspect of the present invention, 0.008 second≤first
Duration≤0.02 second.
The output fuel-flow control method of the lubricating system with trace amount according to a second aspect of the present invention, the pressure in liquid storage container
Force value is 0.02MPa~0.3MPa.
The utility model has the advantages that the compressed gas being passed through through first gas runner is input in liquid storage container after regulation component,
By adjust regulation component in pressure-regulating valve, it can be achieved that in liquid storage container pressure value size adjusting, and then realize control
Oil liquid flows out to the flow velocity of liquid flow channel for oil.It is real meanwhile by the switching of two kinds of working conditions of the opening and closing of on-off control valve
The periodical control of existing liquid flow channel for oil on-off, on-off control valve are closed, and oil liquid can not be delivered to nozzle, and on-off control valve is opened,
Oil liquid then can transport to nozzle.Oil mass is realized by controlling the length of on-off control valve opening time within a duty cycle
The control of output.
Under the common adjusting control of regulation component and on-off control valve, this lubricating system with trace amount can realize accurate oil
Amount control.Also, compared to the prior art, the opening and closing movement of on-off control valve is simple, is different from mechanical type oil pump
The reciprocating motion of portion's piston effectively prevents part problem easy to wear, will not have bring due to parts depreciation and control
Precision problem.Meanwhile the adjustability of this lubricating system with trace amount is good, in pressure-regulating valve and the co- controlling of on-off control valve
It is lower, it can be achieved that large range of fuel-flow control so that this lubricating system with trace amount can meet a variety of processing scenes.
Detailed description of the invention
The present invention is described further with reference to the accompanying drawings and examples:
Fig. 1 is the schematic diagram of lubricating system with trace amount in the embodiment of the present invention；
Fig. 2 is the duty cycle time distribution map of electronic oil pump.
Specific embodiment
This part will be described in specific embodiments of the present invention, and the preferred embodiments of the invention is shown in the accompanying drawings, attached
The effect of figure be with figure remark additionally book word segment description, enable a person to intuitively, visually understand of the invention
Each technical characteristic and overall technical architecture, but it should not be understood as limiting the scope of the invention.
In the description of the present invention, it is to be understood that, be related to orientation description, for example, above and below, front, rear, left and right etc.
The orientation or positional relationship of instruction is to be based on the orientation or positional relationship shown in the drawings, and is merely for convenience of the description present invention and letter
Change description, rather than the device or element of indication or suggestion meaning must have a particular orientation, with specific orientation construct and
Operation, therefore be not considered as limiting the invention.
In the description of the present invention, several to be meant that one or more, it is multiple to be meant that two or more, be greater than,
Be less than, more than etc. be interpreted as not including this number, it is above, following, within etc. be interpreted as including this number.If there is being described to first,
Second is only intended to for the purpose of distinguishing technical characteristic, is not understood to indicate or imply relative importance or implicitly indicates institute
The quantity of the technical characteristic of instruction or the precedence relationship for implicitly indicating indicated technical characteristic.
In description of the invention, unless otherwise restricted clearly, the words such as setting, installation, connection be shall be understood in a broad sense, institute
Above-mentioned word in the present invention specific can rationally be determined with the particular content of combination technology scheme by belonging to technical field technical staff
Meaning.
Referring to Fig.1, one embodiment of the invention proposes a kind of lubricating system with trace amount for accurately controlling output oil mass, the system
Including liquid storage container 10, nozzle 40, on-off control valve, regulation component 20, controller, liquid flow channel for oil 70, first gas runner with
And second gas runner.Wherein, pressure input mouth 11 and lubricating oil output port 12 are provided on liquid storage container 10.Oil liquid stream
Road 70 can be oil pipe, and one end of oil pipe is connected to lubricating oil output port 12, and the other end of oil pipe is connected to nozzle 40.First
Gas flow can be the first tracheae 30, and second gas runner can be the second tracheae 80, the first tracheae 30 and the second tracheae 80
In being arranged in parallel.Regulation component 20 includes pressure-regulating valve 21, and one end of pressure-regulating valve 21 passes through the first tracheae 30 and compression
Gas source 50 is connected, and compressed gas is passed through into the first tracheae 30 by compressed gas source 50, the other end of pressure-regulating valve 21 passes through
First tracheae 30 is passed through to pressure input mouth 11.One end of second tracheae 80 is connected to compressed gas source 50, passes through compressed gas source
50 are passed through compressed gas to 80 tracheae of the second tracheae, and the other end of the second tracheae 80 is connected to nozzle 40.On-off control valve can be with
It is electronic oil pump 60, electronic oil pump 60 is mounted in liquid flow channel for oil 70, that is, is arranged to be connected to above-mentioned oil pipe, controller passes through control
Line processed is connected to electronic oil pump 60, to realize the control of 60 working condition of electronic oil pump.
Above-mentioned on-off control valve is not limited to electronic oil pump 60, is also possible to pipeline switch etc., which passes through electronics
Control can be achieved to open and close.By the on and off of control on-off control valve, and then control liquid flow channel for oil 70 periodically
Connection and disconnection.Meanwhile the controller on and off for controlling on-off control valve can be PLC, be also possible to other classes
The controller of type.
The compressed gas of compressed gas source 50 is input in liquid storage container 10 by regulation component 20 and pressure input mouth 11,
By adjust regulation component 20 in pressure-regulating valve 21, it can be achieved that in liquid storage container 10 pressure value size adjusting, Jin Ershi
The flow control of oil liquid is now exported through lubricating oil output port 12.Meanwhile the working condition of PLC control electronic oil pump 60, in PLC
Control under electronic oil pump 60 can realize periodic opening and closing, electronic oil pump 60 is closed, and oil liquid can not be delivered to nozzle
40, electronic oil pump 60 is opened, and oil liquid then can transport to nozzle 40.PLC is by control electronic oil pump 60 in a duty cycle
The length of opening time come realize oil mass output control.
Under the common adjusting control of regulation component 20 and PLC, this lubricating system with trace amount can realize accurate oil mass control
System.Also, compared to the prior art, electronic oil pump 60 effectively prevents part problem easy to wear instead of mechanical type oil pump,
There will not be bring due to parts depreciation and control precision problem.Electronic oil pump 60 can be set simultaneously by the PLC of connection
Accomplish the accurate control of Millisecond, PLC not only can control the make-and-break time of electronic oil pump 60, but also the week of controllable electronic oil pump 60
Phase.This mode both can be adapted for being machined, and be readily applicable to research purposes.Meanwhile this lubricating system with trace amount can
Tonality is good, it can be achieved that large range of fuel-flow control under the co- controlling of pressure-regulating valve 21 and PLC, so that this
Lubricating system with trace amount can meet a variety of processing scenes.
In the present invention, the quantity of nozzle 40 can be one, be also possible to multiple, and the quantity of liquid flow channel for oil 70 is and nozzle
40 quantity is identical and corresponds connection.It, can be in lubricating oil output end if needing multiple nozzles 40 in process
It is arranged in parallel a plurality of oil pipe on mouth 12, the end of every oil pipe is connected on corresponding nozzle 40.Meanwhile second tracheae 80
Also respective branches at multiple output ends and corresponding are connected on nozzle 40.At this point, being located at the electronic oil pump 60 on every oil pipe
It can independently be controlled by PLC, and then can realize the output fuel-flow control of each different spray nozzles 40, further enhanced micro
The scope of application of lubricating system.
Preferably, regulation component 20 further includes first switch valve, i.e., first switch valve is equipped on the first tracheae 30, the
One switch valve is connect with controller by control line.The first switch valve can be the first solenoid valve 22, pass through PLC control first
Solenoid valve 22 is on and off, and the on-off of the first tracheae 30 can be realized, and then facilitates control and choose whether to liquid storage container
Input air pressure in 10.
Meanwhile regulation component 20 further includes gas flow valve 23, i.e., is equipped with gas flow valve 23 on the first tracheae 30,
Gas flow valve 23 is set between compressed gas source 50 and pressure-regulating valve 21, is input to pressure tune for adjusting compressed gas source 50
Save the air-flow size of valve 21.
Further, it is provided with second switch valve on the second tracheae 80, second switch valve is electrically connected with the controller.Second opens
Closing valve can be with second solenoid valve 81, and PLC control second solenoid valve 81 is on and off, and the on-off of the second tracheae 80 can be realized,
And then facilitates control and choose whether the input air pressure into nozzle 40.In Fig. 1, the quantity of nozzle 40 is two, second solenoid valve
81 are mounted in the branch of the second tracheae 80.When only needing one of nozzle 40 to work, by PLC control one of them the
Two solenoid valves 81 are closed, another is stayed open.
Oil liquid is added in liquid storage container 10 for convenience, the top of liquid storage container 10 is additionally provided with oil filler 13.
Meanwhile first is additionally provided with filter 90 between regulation component 20 and compressed gas source 50 on tracheae 30, with
Just the filtering of compressed gas source is realized.
Liquid-level switch 14 is additionally provided with inside liquid storage container 10, liquid-level switch 14 is electrically connected with PLC, for realizing liquid storage appearance
The control of 10 inner fluid amount of device.The periphery of liquid storage container 10 is also connected with liquid level display 15, facilitates in observation liquid storage container 10
Remaining oil liquid amount.
The following are a kind of output fuel-flow control methods of lubricating system with trace amount, specifically includes the following steps:
Pressure-regulating valve 21 is adjusted, the pressure value in liquid storage container 10 is controlled, and then controls oil liquid outflow lubricating oil output
The flow velocity of port 12.
On-off control valve is controlled by controller and realizes alternately opening and closing, so that electronic oil pump 60 realizes interval
Property oil mass output.
The duration of duration and closing that control on-off control valve is periodically opened, to realize the oil mass output of liquid flow channel for oil 70
Control.
Specifically, the duration of on-off control valve is periodically opened duration and closing is realized by PLC and is controlled, and on-off controls
Valve selects electronic oil pump 60, and electronic oil pump specifically opens duration and closes duration and can be inputted by PLC.On the one hand, pass through
Adjust control and adjusting that pressure-regulating valve 21 realizes pressure value in liquid storage container 10；On the other hand, electronics oil is controlled by PLC
Pump 60 realize alternately open and close, and control electronic oil pump 60 openings duration and closing duration between relationship come realize into
Enter to the fuel-flow control in nozzle 40.Two kinds of regulating measures be combined with each other, and lubricating system with trace amount output oil mass can be realized
It is precisely controlled.
Specifically, when a length of first duration in the open state of electronic oil pump 60 is defined, electronic oil pump 60 is defined and is in
When a length of second duration of closed state, a duty cycle of electronic oil pump 60 are the summation of the first duration and the second duration,
The length of duty cycle is set in PLC, meets 0.1 second≤duty cycle≤0.2 second, to guarantee that electronic oil pump 60 can
It works normally.As shown in Figure 2, first when a length of t1, second when a length of t2, duty cycle T.Wherein, T=t1+t2.
Further, the length of the first duration is set in PLC, meets the 0.008 second≤first duration≤0.02
Second.When the first duration is arranged to above-mentioned section, facilitate the adjusting for realizing oil liquid output quantity, and the mist of oil sprayed through nozzle 40
Effect is preferable.
Preferably, the pressure value in liquid storage container 10 is 0.02MPa~0.3MPa.Pressure in liquid storage container 10 is located at upper
When stating section, convenient for combining electronic oil pump 60 to realize being precisely controlled for oil mass output jointly.If the length of the first tracheae 30 is greater than
Difference in height between 5m or compressed gas source 50 and liquid storage container 10 is larger, then can suitably increase the pressure of compressed gas source 50,
It can be between 0.02MPa~0.3MPa with the pressure value guaranteed in liquid storage container 10.
Embodiments of the present invention are explained in detail above in conjunction with attached drawing, but the present invention is not limited to above-mentioned embodiment party
Formula within the scope of knowledge possessed by those of ordinary skill in the art can also be before not departing from present inventive concept
Put that various changes can be made.
Claims (10)
1. a kind of lubricating system with trace amount characterized by comprising
Nozzle；
Liquid storage container is provided with liquid flow channel for oil, is provided in the liquid flow channel for oil logical between the liquid storage container and the nozzle
Disconnected control valve, the on-off control valve can be opened and closed periodically；
First gas runner is connected to the liquid storage container；
Second gas runner is connected to the nozzle, and the first gas runner and the second gas runner are parallel with one another；With
And
Regulation component, including the pressure-regulating valve being arranged on the first gas runner.
2. lubricating system with trace amount according to claim 1, it is characterised in that: the on-off control valve is electrically connected with control
Device.
3. lubricating system with trace amount according to claim 2, it is characterised in that: the regulation component further includes first switch
Valve, the first switch valve are electrically connected with the controller.
4. lubricating system with trace amount according to claim 3, it is characterised in that: the regulation component further includes gas flow
Valve is passed through the successive gas coming through flow valve of gas source and pressure-regulating valve of the first gas runner.
5. lubricating system with trace amount according to claim 3, it is characterised in that: be provided with second on the second gas runner
Switch valve, the second switch valve are electrically connected with the controller.
6. lubricating system with trace amount according to claim 1 or 2, it is characterised in that: the on-off control valve is electronic oil pump.
7. a kind of output fuel-flow control method of such as lubricating system with trace amount as claimed in any one of claims 1 to 6, feature exist
In, comprising the following steps:
Pressure-regulating valve is adjusted, the pressure value in liquid storage container is controlled, and then controls the flow velocity that oil liquid flows out to liquid flow channel for oil；
The duration of duration and closing that the on-off control valve is periodically opened is controlled, to realize the oil mass output control of liquid flow channel for oil
System.
8. the output fuel-flow control method of lubricating system with trace amount according to claim 7, it is characterised in that: define on-off control
Valve processed when a length of first duration in the open state, when a length of second duration for defining that on-off control valve is in close state,
One duty cycle of on-off control valve be the first duration and the second duration summation, 0.1 second≤duty cycle≤0.2 second.
9. the output fuel-flow control method of lubricating system with trace amount according to claim 8, it is characterised in that: 0.008 second≤
First duration≤0.02 second.
10. the output fuel-flow control method of lubricating system with trace amount according to claim 7, it is characterised in that: liquid storage container
Interior pressure value is 0.02MPa~0.3MPa.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910601006.7A CN110449980A (en) | 2019-07-04 | 2019-07-04 | A kind of lubricating system with trace amount and its output fuel-flow control method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910601006.7A CN110449980A (en) | 2019-07-04 | 2019-07-04 | A kind of lubricating system with trace amount and its output fuel-flow control method |
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| CN110449980A true CN110449980A (en) | 2019-11-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910601006.7A Pending CN110449980A (en) | 2019-07-04 | 2019-07-04 | A kind of lubricating system with trace amount and its output fuel-flow control method |
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Cited By (1)
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| CN111941142A (en) * | 2020-08-14 | 2020-11-17 | 青岛理工大学 | Micro-lubricating continuous liquid supply system and method |
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Effective date of registration: 20200211 Address after: 510663 No. 6, Yuner Road, Science City, Guangzhou high tech Industrial Development Zone, Guangzhou, Guangdong Province Applicant after: CONPROFE TECHNOLOGY GROUP Co.,Ltd. Applicant after: SMARTGUY INTELLIGENT EQUIPMENT Co.,Ltd. GUANGZHOU BRANCH Address before: 510663, Guangdong, Guangzhou hi tech Industrial Development Zone, science, South Road, No. two, No. 8, Yao electronics industrial park gate building (C block), first and two floors Applicant before: CONPROFE GREEN TOOLS Co.,Ltd. Applicant before: CONPROFE TECHNOLOGY GROUP Co.,Ltd. |
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Application publication date: 20191115 |