CN114623068A - Compressor oiling method and compressor oiling device - Google Patents
Compressor oiling method and compressor oiling device Download PDFInfo
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- CN114623068A CN114623068A CN202011459633.0A CN202011459633A CN114623068A CN 114623068 A CN114623068 A CN 114623068A CN 202011459633 A CN202011459633 A CN 202011459633A CN 114623068 A CN114623068 A CN 114623068A
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- gun
- compressor
- oil
- connecting pipe
- oiling
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
- F04B39/02—Lubrication
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
- F04B39/02—Lubrication
- F04B39/0284—Constructional details, e.g. reservoirs in the casing
Abstract
The invention provides a compressor oiling method and a compressor oiling device, wherein the compressor oiling device comprises an oiling gun, an oil tank, a vacuum pump, an air supply bottle and a plurality of valves, the oiling gun is provided with a pressure relief port, the oil tank, the vacuum pump and the air supply bottle are respectively connected with the oiling gun through a first connecting pipe, a second connecting pipe and a third connecting pipe, the oiling gun is connected with a compressor liquid supplementing port through a fourth connecting pipe, and the first connecting pipe, the second connecting pipe and the third connecting pipe are respectively provided with at least one valve. The invention realizes the optimization of the compressor oiling method by improving the compressor oiling device, and particularly increases the steps of filling air into the oiling gun, pressurizing and decompressing in the compressor oiling method by adding the air supply bottle in the compressor oiling device, so that the residual lubricating oil in the oiling gun is emptied, the waste of the lubricating oil and the environmental pollution are avoided, and the compressor oiling device has a simple structure and is convenient to operate.
Description
Technical Field
The invention relates to the technical field of compressors, in particular to a compressor oiling method and a compressor oiling device.
Background
The lubricating oil plays an extremely important role in the operation of the compressor, and if the amount of the lubricating oil is insufficient, the damage of the compressor equipment or the stop of the compressor is easily caused.
Therefore, when the oil quantity of the lubricating oil is insufficient, the lubricating oil needs to be supplemented in time, and the conventional compressor oiling method comprises the following steps: the method comprises the steps of firstly butting a refueling gun with a liquid replenishing port of a compressor, then replenishing lubricating oil, after the lubricating oil is replenished, pumping the residual lubricating oil in the refueling gun into a container by using a vacuum pump, and finally separating the refueling gun from the liquid replenishing port of the compressor.
The problems of the conventional compressor oiling method mainly include:
1) in the lubricating oil replenishing process, the lubricating oil can be sprayed to the surface of the compressor or the periphery of a station, and the actual oil adding amount of the compressor is insufficient, so that the waste of the lubricating oil and the environmental pollution are caused.
2) In order to prevent the oil dripping of the oil gun after the completion of the addition of the lubricating oil, the residual lubricating oil in the oil gun pumped into the container by the vacuum pump can not be recycled due to pollution, so that the serious waste of the lubricating oil and the environmental pollution are caused.
Disclosure of Invention
The invention aims to provide a compressor oiling method and a compressor oiling device, which are used for solving the problems of lubricating oil waste and environmental pollution caused by the fact that lubricating oil is replenished by adopting a traditional compressor oiling method in the prior art. The specific technical scheme is as follows:
in a first aspect, the present invention provides a method for oiling a compressor, comprising:
the oil gun is in sealed butt joint with the liquid supplementing port of the compressor;
vacuumizing the oil gun by using a vacuum pump;
the oil tank provides lubricating oil for the oil filling gun;
the oiling gun supplements the lubricating oil in the oil tank into the compressor;
blowing air to the oil gun by using an air supply bottle for a period of time to empty the residual lubricating oil in the oil gun;
opening a pressure relief port of the oil gun to reduce the pressure of the oil gun;
and separating the oil filling gun from the liquid supplementing port of the compressor.
Optionally, the oil gun is vacuumized by a vacuum pump, and the vacuumizing time is 0-50 seconds.
Optionally, an air supply bottle is used for blowing air to the oil gun, and the time for blowing air is 0-50 seconds.
Optionally, the pressure relief port of the oil gun is opened to reduce the pressure of the oil gun, and the time for reducing the pressure is 0-50 seconds.
In a second aspect, the present invention provides a compressor oil filling device for filling lubricating oil into a compressor, comprising an oil filling gun, an oil tank, a vacuum pump, an air supply bottle and a plurality of valves, wherein the oil filling gun is provided with a pressure relief port;
the oil tank, the vacuum pump and the air supply bottle are respectively connected with the oil gun through a first connecting pipe, a second connecting pipe and a third connecting pipe, and the oil gun is used for being connected with a liquid supplementing port of the compressor through a fourth connecting pipe;
at least one valve is arranged on each of the first connecting pipe, the second connecting pipe and the third connecting pipe;
the oil tank is used for providing lubricating oil for the oil filling gun;
the vacuum pump is used for vacuumizing the oil filling gun;
the gas supply bottle is used for supplying gas to the oil filling gun.
Optionally, the number of the valves is 3, and the valves are all stop valves, and are respectively a first stop valve arranged on the first connecting pipe, a second stop valve arranged on the second connecting pipe, and a third stop valve arranged on the third connecting pipe.
Optionally, the number of the valves is 2, and the valves are respectively a first valve and a second valve;
the first valve is a three-way valve and comprises two inlet ends and an outlet end, and the second connecting pipe and the third connecting pipe are respectively connected with the two inlet ends of the first valve;
the second valve is a three-way valve and comprises two inlet ends and an outlet end, the outlet ends of the first connecting pipe and the first valve are respectively connected with the two inlet ends of the second valve, and the outlet end of the second valve is connected with the oil gun.
Optionally, the gas filled in the gas supply bottle is incompatible with the lubricating oil.
The invention provides a compressor oiling method and a compressor oiling device, which have the following beneficial effects: wherein compressor filling device includes nozzle, oil tank, vacuum pump, air feed bottle and a plurality of valve, the nozzle has a pressure release mouth, the oil tank the vacuum pump with the air feed bottle respectively through first connecting pipe, second connecting pipe and third connecting pipe with the nozzle is connected, the nozzle passes through the fourth connecting pipe and is connected with compressor fluid infusion mouth, first connecting pipe the second connecting pipe and the third connecting pipe all is equipped with one at least the valve, the oil tank be used for to the nozzle provides lubricating oil, the vacuum pump is used for right the nozzle carries out the evacuation, the air feed bottle be used for to the nozzle provides gas. The compressor refueling device is improved to realize optimization of the compressor refueling method, and specifically, the step of filling air into the refueling gun, pressurizing and depressurizing is added in the compressor refueling method by adding the air supply bottle in the compressor refueling device, so that residual lubricating oil in the refueling gun is discharged into the compressor through the fourth connecting pipe, waste of the lubricating oil and environmental pollution are avoided, and the compressor refueling device is simple in structure and convenient to operate.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic structural diagram of an oil filling device of a compressor according to an embodiment of the present invention;
FIG. 2 is a flow chart of a method for refueling a compressor according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of an oil filling device for a compressor according to a second embodiment of the present invention;
wherein the reference numerals of figures 1 to 3 are as follows:
1-a fuel gun; 2-an oil tank; 3-a vacuum pump; 4-air supply bottle; 5-a liquid supplementing port of the compressor; 01-a first connection pipe; 02-second connecting pipe; 03-a third connecting tube; 04-a fourth connecting tube; 61-a first shut-off valve; 62-a second stop valve; 63-a third stop valve; 65-a first valve; 66-second valve.
Detailed Description
The present invention provides a method and an apparatus for refueling a compressor, which are described in detail below with reference to the accompanying drawings and specific embodiments. The advantages and features of the present invention will become more apparent from the following description. It is to be noted that the drawings are in a very simplified form and are not to precise scale, which is merely for the purpose of facilitating and distinctly claiming the embodiments of the present invention.
In the description of the present invention, it should be noted that the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implying any indicated technical feature quantity. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
As described in the background, the compressor refueling method conventionally adopted at present is as follows: the method comprises the steps of firstly butting a refueling gun with a liquid replenishing port of a compressor, then replenishing lubricating oil, after the lubricating oil is replenished, pumping the residual lubricating oil in the refueling gun into a container by using a vacuum pump, and finally separating the refueling gun from the liquid replenishing port of the compressor.
The problems of the conventional compressor oiling method mainly include:
1) in the lubricating oil replenishing process, the lubricating oil can be sprayed to the surface of the compressor or the periphery of a station, and the actual oil adding amount of the compressor is insufficient, so that the waste of the lubricating oil and the environmental pollution are caused.
2) In order to prevent the oil dripping of the oil gun after the completion of the addition of the lubricating oil, the residual lubricating oil in the oil gun pumped into the container by the vacuum pump can not be recycled due to pollution, so that the serious waste of the lubricating oil and the environmental pollution are caused.
Therefore, the core idea of the invention is to provide a compressor oiling method and a compressor oiling device, the optimization of the compressor oiling method is realized by improving the compressor oiling device, and particularly, the step of inflating, pressurizing and depressurizing the oiling gun is added in the compressor oiling method by adding the air supply bottle in the compressor oiling device, so that the residual lubricating oil in the oiling gun is discharged into the compressor through the compressor liquid supplementing port, and the waste of the lubricating oil and the environmental pollution are avoided.
< first embodiment >
To this end, the present invention provides a compressor refueling device, referring to fig. 1, comprising a refueling gun 1, an oil tank 2, a vacuum pump 3, an air supply bottle 4 and a plurality of valves, the fuel nozzle 1 has a pressure relief port (not shown), the oil tank 2, the vacuum pump 3 and the air supply bottle 4 are connected to the fuel nozzle 1 through a first connecting pipe 01, a second connecting pipe 02 and a third connecting pipe 03, the oil gun 1 is connected with a compressor fluid infusion port 5 through a fourth connecting pipe 04, at least one valve is arranged on each of the first connecting pipe 01, the second connecting pipe 02 and the third connecting pipe 03, the oil tank 2 is used for supplying lubricating oil to the oil gun 1, the vacuum pump 3 is used for vacuumizing the oil gun 1, and the gas supply bottle 4 is used for supplying gas to the oil gun 1.
Further, the number of the valves is 3, and each of the valves is a stop valve, specifically, a first stop valve 61 disposed on the first connecting pipe 01, a second stop valve 62 disposed on the second connecting pipe 02, and a third stop valve 63 disposed on the third connecting pipe 03.
It can be seen that the compressor filling device that this embodiment provided simple structure, the operation is convenient.
Based on the same inventive concept, the invention further provides a compressor oiling method, which is realized by adopting the compressor oiling device, and referring to fig. 2, the compressor oiling method comprises the following steps:
and step S1, the oil filling gun is in sealed butt joint with the liquid supplementing port of the compressor.
Specifically, when the amount of lubricating oil in the compressor is insufficient and lubricating oil is to be added into the compressor, the first stop valve 61, the second stop valve 62 and the third stop valve 63 are all in a closed state, the fueling gun 1 and the compressor fluid infusion port 5 are in sealed butt joint, and in order to ensure the sealing property of the joint of the fueling gun 1 and the compressor fluid infusion port 5, a sealing ring can be additionally arranged at the joint of the fueling gun 1 and the compressor fluid infusion port 5, so that the subsequent oil leakage situation is avoided.
And step S2, vacuumizing the oil filling gun by using the vacuum pump.
Specifically, after the oil gun 1 is in sealed butt joint with the compressor fluid infusion port 5, the second stop valve 62 is opened, the vacuum pump 3 is used for pumping out gas in the oil gun 1, and the pressure value in the oil gun 1 is reduced. Specifically, the time for vacuumizing the oil gun 1 by using the vacuum pump 3 is maintained for 0-50 seconds (preferably 2 seconds) to ensure that the pressure value in the oil gun 1 is reduced to the vacuum pressure as much as possible.
Step S2, the oil tank supplies the lubricating oil to the oil gun.
And step S4, the oil filling gun supplements the lubricating oil in the oil tank to the compressor.
Specifically, when the pressure value in the fueling gun 1 is reduced to a certain degree, the second stop valve 62 is closed, the first stop valve 61 is opened, the lubricating oil is stored in the oil tank 2, and since the fueling gun 1 is vacuumized, the pressure value in the fueling gun 1 is smaller than the pressure value in the oil tank 2, the lubricating oil in the oil tank 2 automatically flows into the fueling gun 1 through the first connecting pipe 01 under the action of the pressure difference, and then is replenished into the compressor from the compressor fluid replenishing port 5 through the fourth connecting pipe 04 until the lubricating oil in the compressor is sufficient.
And step S5, blowing air to the oil filling gun by using the air supply bottle for a period of time to empty the residual lubricating oil in the oil filling gun.
Specifically, after the lubricating oil in the compressor is sufficient, the first stop valve 61 is closed, the third stop valve 63 is opened, the gas supply bottle 4 is used for blowing gas into the oil gun 1, so that the gas is filled into the oil gun 1, and the residual lubricating oil in the oil gun 1 is discharged into the compressor through the fourth connecting pipe 04, so that the oil dripping condition is avoided when the oil gun 1 is detached. Specifically, the time for blowing the oil gun 1 by the air supply bottle 4 is maintained for 0 to 50 seconds (preferably 1.2 seconds) to ensure that all the lubricating oil remaining in the oil gun 1 can be discharged into the compressor fluid filling port 5.
In addition, the gas filled in the gas supply cylinder 4 is incompatible with the lubricating oil, so as to avoid contamination of the lubricating oil, and may be pure nitrogen gas or compressed air, which is not specifically limited in this embodiment.
And step S6, opening a pressure relief opening of the oil gun to reduce the pressure of the oil gun.
Specifically, all opened valves in the above steps are closed, then the pressure relief port of the fuel gun 1 is opened, the pressure value in the fuel gun 1 is reduced, and the interior of the fuel gun 1 is in an atmospheric pressure state as much as possible, so that the fuel gun 1 can be conveniently detached later. Specifically, the pressure reduction of the fuel truck nozzle 1 is maintained for 0 to 50 seconds (preferably 1.8 seconds) by opening a pressure relief port of the fuel truck nozzle.
And step S7, separating the oil filling gun from the compressor fluid supplementing port.
The inventor practices show that 4ml of lubricating oil can be reduced and the production cost is greatly saved in the process of completing one-time oiling of one compressor by adopting the compressor oiling method based on the compressor oiling device provided by the embodiment compared with the oiling method in the prior art.
< example two >
The difference between this embodiment and the first embodiment is: the valves vary in kind and number.
Specifically, referring to fig. 3, there are 2 valves, namely a first valve 65 and a second valve 66. Wherein the content of the first and second substances,
the first valve 65 is a three-way valve and includes two inlet ends and an outlet end, and the second connecting pipe 02 and the third connecting pipe 03 are connected to the two inlet ends of the first valve 65, respectively.
The second valve 66 is a three-way valve and comprises two inlet ends and an outlet end, the first connecting pipe 01 and the outlet end of the first valve are respectively connected with the two inlet ends of the second valve 66, and the outlet end of the second valve is connected with the fuel gun 1.
Based on the same inventive concept, the invention also provides a compressor oiling method which is realized by adopting the compressor oiling device, and the compressor oiling method comprises the following steps:
and step S1, the oil filling gun is in sealed butt joint with the liquid supplementing port of the compressor.
Specifically, when the amount of lubricating oil in the compressor is insufficient and lubricating oil is to be added into the compressor, the first valve 65 and the second valve 66 are both in a closed state, the oil gun 1 and the compressor fluid infusion port 5 are in sealed butt joint, and it is noted that the key of the step is to ensure that the joint of the oil gun 1 and the compressor fluid infusion port 5 is sealed, so that the subsequent oil leakage is avoided.
And step S2, vacuumizing the oil filling gun by using the vacuum pump.
Specifically, after the oil gun 1 is in sealed butt joint with the compressor fluid infusion port 5, the first valve 65 is opened to the second connecting pipe for conduction, the second valve 66 is opened to the outlet end of the first valve for conduction, the vacuum pump 3 is used for pumping out gas in the oil gun 1, and the pressure value in the oil gun 1 is reduced. Specifically, the time for vacuumizing the oil gun 1 by using the vacuum pump 3 is maintained for 0-50 seconds (preferably 2 seconds) to ensure that the pressure value in the oil gun 1 is absolutely reduced.
Step S3, the oil tank providing lubricating oil to the fueling gun;
and step S4, adding the lubricating oil in the oil tank into the compressor through the oil filling gun.
Specifically, when the pressure value in the fueling gun 1 is reduced to a certain degree, the first valve 65 is closed, the second valve 66 is turned to be opened, the first connecting pipe is communicated, lubricating oil is stored in the oil tank 2, and as the pressure value in the fueling gun 1 is smaller than the pressure value in the oil tank 2, the lubricating oil in the oil tank 2 automatically flows into the fueling gun 1 through the first connecting pipe 01 under the action of pressure difference, and then is replenished into the compressor from the compressor fluid replenishing port 5 through the fourth connecting pipe 04 until the lubricating oil in the compressor is sufficient.
And step S5, blowing air to the oil filling gun by using the air supply bottle for a period of time to empty the residual lubricating oil in the oil filling gun.
Specifically, after the sufficient amount of lubricating oil in the compressor is reached, the first valve 65 is opened to the third connecting pipe to be communicated, the second valve 66 is changed to be opened to the outlet end of the first valve to be communicated, the gas supply bottle 4 is used for blowing gas into the oil filling gun 1, so that the gas is filled into the oil filling gun 1, the residual lubricating oil in the oil filling gun 1 is emptied, and the oil dripping condition is avoided when the oil filling gun 1 is detached. Specifically, the time for blowing the oil gun 1 by the air supply bottle 4 is maintained for 0 to 50 seconds (preferably 1.2 seconds) to ensure that all the lubricating oil remaining in the oil gun 1 can be discharged into the compressor fluid filling port 5.
And step S6, opening a pressure relief opening of the oil gun to reduce the pressure of the oil gun.
Specifically, all opened valves in the above steps are closed, then the pressure relief port of the fuel gun 1 is opened, the pressure value in the fuel gun 1 is reduced, and the interior of the fuel gun 1 is in an atmospheric pressure state as much as possible, so that the fuel gun 1 can be conveniently detached later. Specifically, the pressure relief opening of the oil gun is opened to reduce the pressure of the oil gun for 0-50 seconds (preferably 1.8 seconds).
And step S7, separating the oil filling gun from the compressor fluid supplementing port.
In summary, the compressor refueling method and the compressor refueling device provided by the invention have the following advantages: wherein compressor filling device includes nozzle, oil tank, vacuum pump, air feed bottle and a plurality of valve, the nozzle has a pressure release mouth, the oil tank the vacuum pump with the air feed bottle respectively through first connecting pipe, second connecting pipe and third connecting pipe with the nozzle is connected, the nozzle passes through the fourth connecting pipe and is connected with compressor fluid infusion mouth, first connecting pipe the second connecting pipe and the third connecting pipe all is equipped with one at least the valve, the oil tank be used for to the nozzle provides lubricating oil, the vacuum pump is used for right the nozzle carries out the evacuation, the air feed bottle be used for to the nozzle provides gas. The compressor oiling device is improved to realize optimization of the compressor oiling method, and particularly, the step of filling air into the oiling gun, pressurizing and decompressing is added in the compressor oiling method by adding the air supply bottle in the compressor oiling device, so that residual lubricating oil in the oiling gun is discharged into the compressor through the fourth connecting pipe, waste of the lubricating oil and environmental pollution are avoided, and the compressor oiling device is simple in structure and convenient to operate.
Finally, it should be noted that the above embodiments are only for illustrating the technical solutions of the present invention and not for limiting, and although the present invention is described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions may be made on the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention.
Claims (8)
1. A method of oiling a compressor, comprising:
the oil gun is in sealed butt joint with the liquid supplementing port of the compressor;
vacuumizing the oil gun by using a vacuum pump;
the oil tank provides lubricating oil for the oil filling gun;
the oiling gun supplements the lubricating oil in the oil tank into the compressor;
blowing air to the oil gun by using an air supply bottle for a period of time to empty the residual lubricating oil in the oil gun;
opening a pressure relief port of the oil gun to reduce the pressure of the oil gun;
and separating the oil filling gun from the liquid supplementing port of the compressor.
2. The oiling method for a compressor as defined in claim 1, wherein the oiling gun is vacuumized by a vacuum pump for 0-50 seconds.
3. The oiling method for compressor as defined in claim 1, wherein the oiling gun is blown by an air supply bottle for 0 to 50 seconds.
4. The compressor oiling method as defined in claim 1, wherein the oil gun is depressurized by opening a pressure relief port of the oil gun, and the depressurization is performed for 0-50 seconds.
5. A compressor oiling device for supplementing lubricating oil into a compressor by the method as claimed in any one of claims 1 to 4, which comprises an oiling gun, an oil tank, a vacuum pump, an air supply bottle and a plurality of valves, wherein the oiling gun is provided with a pressure relief port;
the oil tank, the vacuum pump and the air supply bottle are respectively connected with the oil gun through a first connecting pipe, a second connecting pipe and a third connecting pipe, and the oil gun is used for being connected with a liquid supplementing port of the compressor through a fourth connecting pipe;
at least one valve is arranged on each of the first connecting pipe, the second connecting pipe and the third connecting pipe;
the oil tank is used for providing lubricating oil for the oil filling gun;
the vacuum pump is used for vacuumizing the oil filling gun;
the gas supply bottle is used for supplying gas to the oil filling gun.
6. The compressor fueling apparatus of claim 5, wherein the valves are provided in 3 and each of the shut-off valves is a first shut-off valve provided on the first connection pipe, a second shut-off valve provided on the second connection pipe, and a third shut-off valve provided on the third connection pipe.
7. -compressor oiling device according to claim 5, characterized in that said valves are provided in 2, respectively a first valve and a second valve;
the first valve is a three-way valve and comprises two inlet ends and an outlet end, and the second connecting pipe and the third connecting pipe are respectively connected with the two inlet ends of the first valve;
the second valve is a three-way valve and comprises two inlet ends and an outlet end, the outlet ends of the first connecting pipe and the first valve are respectively connected with the two inlet ends of the second valve, and the outlet end of the second valve is connected with the oil gun.
8. The compressor oiling device of claim 5 wherein the gas filled in said gas feed bottle is incompatible with the lubricating oil.
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| CN202011459633.0A CN114623068A (en) | 2020-12-11 | 2020-12-11 | Compressor oiling method and compressor oiling device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202011459633.0A CN114623068A (en) | 2020-12-11 | 2020-12-11 | Compressor oiling method and compressor oiling device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101666765A (en) * | 2009-09-29 | 2010-03-10 | 上海交通大学 | High-pressure non-contact type online continuous oil-injecting device |
| CN206308000U (en) * | 2016-12-05 | 2017-07-07 | 广州精益汽车空调有限公司 | A kind of slant plate type compressor refueling device |
| CN107576223A (en) * | 2017-10-10 | 2018-01-12 | 珠海格力电器股份有限公司 | The minimizing technology and device of the lubricating oil of heat exchanger |
| CN208222038U (en) * | 2018-05-23 | 2018-12-11 | 中国石油化工股份有限公司 | A kind of recharging oil device for lubricating system |
| CN110067926A (en) * | 2019-05-30 | 2019-07-30 | 宁波奥克斯电气股份有限公司 | A kind of air-conditioning refueling device and the air-conditioning oiling method using it |
| US20190277448A1 (en) * | 2018-03-07 | 2019-09-12 | Nel Hydrogen A/S | Control of a Hydrogen refueling station |
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2020
- 2020-12-11 CN CN202011459633.0A patent/CN114623068A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101666765A (en) * | 2009-09-29 | 2010-03-10 | 上海交通大学 | High-pressure non-contact type online continuous oil-injecting device |
| CN206308000U (en) * | 2016-12-05 | 2017-07-07 | 广州精益汽车空调有限公司 | A kind of slant plate type compressor refueling device |
| CN107576223A (en) * | 2017-10-10 | 2018-01-12 | 珠海格力电器股份有限公司 | The minimizing technology and device of the lubricating oil of heat exchanger |
| US20190277448A1 (en) * | 2018-03-07 | 2019-09-12 | Nel Hydrogen A/S | Control of a Hydrogen refueling station |
| CN208222038U (en) * | 2018-05-23 | 2018-12-11 | 中国石油化工股份有限公司 | A kind of recharging oil device for lubricating system |
| CN110067926A (en) * | 2019-05-30 | 2019-07-30 | 宁波奥克斯电气股份有限公司 | A kind of air-conditioning refueling device and the air-conditioning oiling method using it |
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