CN113339682A - Protection system and oil supply method for oil supply emergency state - Google Patents
Protection system and oil supply method for oil supply emergency state Download PDFInfo
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- CN113339682A CN113339682A CN202110620398.9A CN202110620398A CN113339682A CN 113339682 A CN113339682 A CN 113339682A CN 202110620398 A CN202110620398 A CN 202110620398A CN 113339682 A CN113339682 A CN 113339682A
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- oil
- emergency
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- oil supply
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16N—LUBRICATING
- F16N7/00—Arrangements for supplying oil or unspecified lubricant from a stationary reservoir or the equivalent in or on the machine or member to be lubricated
- F16N7/38—Arrangements for supplying oil or unspecified lubricant from a stationary reservoir or the equivalent in or on the machine or member to be lubricated with a separate pump; Central lubrication systems
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16N—LUBRICATING
- F16N19/00—Lubricant containers for use in lubricators or lubrication systems
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16N—LUBRICATING
- F16N23/00—Special adaptations of check valves
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16N—LUBRICATING
- F16N29/00—Special means in lubricating arrangements or systems providing for the indication or detection of undesired conditions; Use of devices responsive to conditions in lubricating arrangements or systems
- F16N29/02—Special means in lubricating arrangements or systems providing for the indication or detection of undesired conditions; Use of devices responsive to conditions in lubricating arrangements or systems for influencing the supply of lubricant
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Lubrication Details And Ventilation Of Internal Combustion Engines (AREA)
Abstract
The invention provides a protection system and an oil supply method for an oil supply emergency state, belonging to the technical field of oil supply equipment in industries such as compressed air energy storage, chemical machinery and the like, wherein the protection system for the oil supply emergency state comprises the following steps: the emergency oil tank is a closable oil tank and supplies lubricating oil to the lubricating working end through an emergency oil pipe; according to the protection system for the oil supply emergency state, the emergency oil tank and the main oil tank are arranged in parallel, when the main oil tank breaks down, the main oil tank can be maintained independently, and the system does not need to be stopped; when the oil pump of main oil tank has a power failure or breaks down, the emergency oil tank can guarantee continuous oil supply to the lubricated work end through atmospheric pressure, avoids unexpected shutdown accident, and when the main oil tank was not enough towards the pressure of main oil supply pipe supply lubricating oil, carries out supply pressure's replenishment through the emergency oil tank to keep the supply pressure towards lubricated work end, can improve and carry out the pressure stability of fuel feeding to lubricated work end.
Description
Technical Field
The invention relates to the technical field of oil supply equipment in the industries of compressed air energy storage, chemical machinery and the like, in particular to a protection system and an oil supply method for an oil supply emergency state.
Background
In some application occasions, the requirement on the stability of a protection system in an oil supply emergency state is extremely high, stable and continuous high-pressure oil supply is needed, and under the condition, a high-level oil tank, a UPS direct current power supply motor or an energy accumulator is usually needed to ensure the oil supply stability in emergency situations such as sudden power failure. However, the above measures in the prior art have certain limitations, for example, a common high-level oil tank cannot meet the requirement of high-pressure oil supply, UPS direct current power supply needs response time, and the UPS has a fault risk, and the oil supply pressure of the energy accumulator is gradually reduced.
Chinese patent document CN109340544A discloses a protection system for an emergency state of oil supply to a pressure oil tank of a large-sized horizontal sliding bearing, which includes: the closed main oil tank A is characterized in that under a normal state, lubricating oil in the main oil tank flows to a lubricating working end through an oil supply pipeline, leaves the lubricating working end after the lubricating and cooling work is finished, and flows to an oil return tank; in an emergency state that the oil pump cannot work due to system power failure or oil pump failure, in order to continuously supply oil to a lubricating working end, the main oil tank is connected with a compressed air source Q through an air supply pipe.
However, in the above solution, the main oil tank a and the oil pump are arranged in series, that is, in a normal state, the main oil pump firstly delivers the lubricating oil to the main oil tank a, and then supplies the lubricating oil to the lubricating working end through the main oil tank a. This arrangement does not allow for individual maintenance of the main tank a, and only allows for shutdown operations when the main tank fails.
Disclosure of Invention
Therefore, the present invention is directed to overcome the defect that a protection system for an emergency oil supply state in the prior art, which is used for providing a main oil tank for supplying continuous and stable high-pressure oil to equipment, cannot be maintained independently, and thereby provide a protection system for an emergency oil supply state and an oil supply method.
In order to solve the above technical problem, the present invention provides a protection system for an emergency oil supply state, including:
the lubricating oil tank is internally suitable for containing lubricating oil, a main oil supply pipe and an oil pump are arranged on the main oil tank, and the lubricating oil in the main oil tank is suitable for supplying oil to a lubricating working end through the main oil supply pipe under the driving of the oil pump;
the emergency oil tank is a closable oil tank which is connected with the main oil tank in parallel, and supplies lubricating oil to the lubricating working end through an emergency oil pipe;
the emergency oil pipe and the main oil supply pipe are communicated through a tee joint before being communicated with the lubricating working end; a first one-way valve which is communicated towards the three-way connector in a one-way mode is arranged in front of the three-way connector communicated with the main oil supply pipe on the emergency oil pipe; a second one-way valve which is communicated towards the three-way connector in a one-way mode is arranged in front of the three-way connector communicated with the emergency oil pipe on the main oil supply pipe;
be provided with the gas supply line on the emergent oil tank, the emergent oil tank is suitable for through this gas supply line with the air supply intercommunication.
Optionally, oil supply bypasses are arranged at the front end and the rear end of the first one-way valve, and an oil supply shutoff valve is arranged on each oil supply bypass;
the top end of the emergency oil tank is communicated with an overflow oil return pipeline, the emergency oil tank is communicated with the main oil tank through the overflow oil return pipeline, and an overflow valve is arranged on the overflow oil return pipeline.
Optionally, a pressure detection device and a liquid level detection device are arranged on the emergency oil tank.
Optionally, an air inlet valve is arranged on the air supply pipeline.
Optionally, the inlet valve is a normally open solenoid valve.
Optionally, the lowest liquid level of the emergency oil tank is higher than the liquid level of the lubricating working end, and the emergency oil pipe is communicated with the bottom end of the emergency oil tank.
Optionally, a liquid level detection device and a pressure detection device are arranged on the main oil tank, and an exhaust device is further arranged on the main oil tank.
Optionally, the exhaust apparatus comprises: an exhaust duct and an exhaust fan connected to the exhaust duct and adapted to be driven by a motor.
Optionally, the lubricating working ends are provided with a plurality of lubricating working ends which are communicated with the emergency oil tank through emergency oil pipes respectively, the lubricating working ends are communicated with the main oil tank through main oil supply pipes respectively, and each emergency oil pipe corresponds to one main oil supply pipe and is communicated with the main oil supply pipe through a tee joint.
The invention provides an oil supply method, which comprises the following steps:
the lubricating oil in the main oil tank is supplied to a lubricating working end by driving of the oil pump, and the oil pressure in the main oil supply pipe is kept by the oil pump;
when the oil pressure in the main oil supply pipe is reduced, lubricating oil is supplied into the main oil supply pipe through the emergency oil tank so as to maintain the oil pressure in the main oil supply pipe;
the emergency oil tank supplies lubricating oil towards the interior of the main oil supply pipe through air pressure, so that the oil pressure stability of the lubricating oil leading to the lubricating working end is guaranteed.
The technical scheme of the invention has the following advantages:
1. according to the protection system for the emergency oil supply state, the emergency oil tank is additionally arranged on the basis of the main oil tank, and the emergency oil tank and the main oil tank are arranged in parallel, so that when the main oil tank breaks down, the main oil tank can be independently maintained, and the system does not need to be stopped; according to the protection system for the emergency oil supply state, provided by the invention, through the emergency oil tank, when an oil pump of the main oil tank is powered off or fails, continuous oil supply to a lubricating working end can be ensured through air pressure, and an accident shutdown accident is avoided; in the protection system for the emergency oil supply state, the emergency oil pipe of the emergency oil tank is communicated with the main oil supply pipe of the main oil tank through the three-way connector before the emergency oil pipe of the emergency oil tank is communicated with the lubricating working end, and when the pressure of the main oil tank for supplying lubricating oil to the main oil supply pipe is insufficient, the emergency oil tank can supplement the oil supply pressure, so that the emergency oil tank and the main oil tank jointly act to maintain the oil supply pressure towards the lubricating working end, and the pressure stability of oil supply to the lubricating working end can be further improved.
2. According to the protection system for the emergency oil supply state, an oil supply bypass is arranged on one side of the one-way valve of the emergency oil pipe in parallel, and oil can be conveniently supplied to the emergency oil tank through the oil supply bypass.
3. According to the oil supply method provided by the invention, when the lubricating working end is supplied with oil through the main oil supply pipe, if the pressure is insufficient, the emergency oil tank can automatically supply oil to the lubricating working end through air pressure so as to keep the oil supply pressure to the lubricating working end.
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, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
Fig. 1 is a schematic diagram of an emergency oil tank in the protection system for the emergency oil supply state provided in the embodiment of the invention.
Fig. 2 is a schematic diagram of a main oil tank in the protection system for an emergency oil supply state provided in the embodiment of the invention.
Fig. 3 is an enlarged view of the exhaust area of fig. 2.
Description of reference numerals:
1. an emergency oil tank; 2. a gas supply duct; 3. an emergency oil pipe; 4. a main oil tank; 5. a main oil supply pipe; 6. a first check valve; 7. a second one-way valve; 8. a three-way interface; 9. an oil supply bypass; 10. an oil supply shutoff valve; 11. an overflow oil return line; 12. an overflow valve; 13. an intake valve; 14. an oil pump; 15. an exhaust device; 16. an exhaust duct; 17. an exhaust fan; 18. and (4) an air return pipe.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In addition, the technical features involved in the different embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.
The present embodiment provides a specific implementation of a protection system for an oil supply emergency state, as shown in fig. 1, including: emergent oil tank 1, emergent oil tank 1 is for can sealing the oil tank, and the intercommunication has gas supply line 2 on this can sealed emergent oil tank 1, and this gas supply line 2 and air supply intercommunication can keep the air feed pressure in emergent oil tank 1 through the air supply. In addition, the emergency oil tank 1 supplies lubricating oil to the lubricating working ends through the emergency oil pipes 3, and preferably, the emergency oil tank 1 can supply lubricating oil to a plurality of lubricating working ends through a plurality of emergency oil pipes 3.
As shown in fig. 1 and 2, the emergency oil tank 1 and the main oil tank 4 are arranged in parallel, and when the main oil tank 4 cannot supply oil to the lubricating working end, the emergency oil tank 1 can ensure uninterrupted oil supply to the lubricating working end. Specifically, the emergency oil pipe 3 connected with the emergency oil tank 1 and the main oil supply pipe 5 connected with the main oil tank 4 are communicated through a three-way connector 8 before leading to the lubricating working end, so that the main oil tank 4 and the emergency oil tank 1 are required to be communicated through the three-way connector 8 when supplying oil towards the lubricating working end. In addition, a first one-way valve 6 which is communicated towards the three-way joint 8 in a one-way mode is arranged in front of the three-way joint 8 communicated with the main oil supply pipe 5 on the emergency oil pipe 3; and a second one-way valve 7 which is communicated towards the three-way joint 8 in a one-way mode is arranged in front of the three-way joint 8 communicated with the emergency oil pipe 3 on the main oil supply pipe 5. That is, the lubricating oil from the emergency oil tank 1 toward the three-way connection port 8 through the emergency oil pipe 3 can only flow in one direction toward the lubrication working end, and the lubricating oil from the main oil tank 4 toward the three-way connection port 8 through the main oil supply pipe 5 can only flow in one direction toward the lubrication working end, so that the pressure for supplying the oil toward the lubrication working end is maintained by the combined action of the emergency oil pipe 3 and the main oil supply pipe 5. When the main oil tank 4 stops supplying oil due to an accident, the oil supply pressure on the main oil supply pipe 5 is reduced, and the pressure on the emergency oil pipe 3 is relatively increased, so that the oil is automatically supplemented from the emergency oil pipe 3 to the lubricating working end to maintain the stability of the oil supply pressure to the lubricating working end.
As shown in fig. 1, in order to facilitate refueling of the emergency fuel tank 1, a fuel supply bypass 9 is provided at both front and rear ends of the first check valve 6 in parallel with the first check valve 6, and a fuel supply shutoff valve 10 is provided in the fuel supply bypass 9. When the fuel-supply shut-off valve 10 is opened, fuel can be supplied upwardly toward the emergency fuel tank 1 through the main fuel supply pipe 5. The top end of the emergency oil tank 1 is communicated with an overflow oil return pipeline 11, the emergency oil tank 1 is communicated with the main oil tank 4 through the overflow oil return pipeline 11, and an overflow valve 12 is arranged on the overflow oil return pipeline 11. When refuel to emergency oil tank 1, open overflow valve 12 and make lubricating oil be convenient for enter into emergency oil tank 1 in, in addition when filling up oil to emergency oil tank 1 after, lubricating oil can flow back to in the main tank 4 through overflow return line 11. In addition, be provided with pressure measurement and liquid level detection device on emergent oil tank 1, can implement pressure and the lubricating oil liquid level in the detection emergent oil tank 1.
As shown in fig. 1, an air inlet valve 13 is arranged on the air supply pipeline 2 connected to the emergency oil tank 1, and the air inlet valve 13 is a normally open electromagnetic valve, which can facilitate the maintenance of the oil supply pressure in the emergency oil tank 1 by an air source. In addition, when the emergency oil tank is installed, the lowest liquid level of the emergency oil tank 1 is higher than the liquid level of the lubricating working end, and the emergency oil pipe 3 is communicated with the bottom end of the emergency oil tank 1. When the emergency oil tank 1 supplies oil to the lubricating working end, the oil supply pressure to the lubricating working end can be ensured, and the normal work of the lubricating working end is ensured.
As shown in fig. 2, the main oil tank 4 supplies oil to the lubrication working ends through the main oil supply pipe 5, and preferably, the main oil tank 4 supplies the lubrication working ends with the lubrication oil through the main oil supply pipes 5. That is to say, the lubricating working ends are provided with a plurality of lubricating working ends, the lubricating working ends are respectively communicated with the emergency oil tank 1 through emergency oil pipes 3, the lubricating working ends are respectively communicated with the main oil tank 4 through main oil supply pipes 5, and each emergency oil pipe 3 corresponds to one main oil supply pipe 5 and is communicated through a tee joint 8. In addition, as an alternative embodiment, the lubricating working end may have only one.
As shown in fig. 2, an oil pump 14 is provided in the main oil supply pipe 5 of the main oil tank 4, and the lubricating oil in the main oil tank 4 is supplied to the lubricating operation end through the main oil supply pipe 5 by driving the oil pump 14.
As shown in fig. 3, a liquid level detection device and a pressure detection device are disposed on the main oil tank 4, and an exhaust device 15 is further disposed on the main oil tank 4, the exhaust device 15 can be used for actively discharging accumulated air in the main oil tank 4, and the exhaust device 15 can also be used for supplementing air into the main oil tank 4 to ensure normal operation of the oil pump 14. Specifically, the exhaust device 15 includes: an exhaust duct 16 and an exhaust fan 17 connected to the exhaust duct 16, wherein the exhaust fan 17 is driven by a motor to discharge air to the outside, and a filter is provided at an outlet of the exhaust fan 17 to discharge air to the outside through the filter; in addition, a return pipe 18 is connected to the inlet end of the filter, and the return pipe 18 extends into the lubricating oil toward the main oil tank 4, and the return pipe 18 ventilates the main oil tank 4.
The oil supply method of the protection system for the oil supply emergency state provided by the embodiment comprises the following steps:
as shown in fig. 2, normally, the oil in the main oil tank 4 is supplied to the lubrication working end by driving the oil pump 14, and the oil pressure in the main oil supply pipe 5 is maintained by the oil pump 14.
As shown in fig. 1, when the oil pressure in the main oil supply pipe 5 in the section before the three-way joint 8 decreases and the oil supply pressure of the emergency oil pipe 3 becomes higher than the oil supply pressure in the section of the main oil supply pipe 5, the emergency oil tank 1 supplies the lubricating oil through the emergency oil pipe 3 into the section of the main oil supply pipe 5 after the three-way joint 8 to keep the oil pressure in the main oil supply pipe 5 after the three-way joint 8 stable. Specifically, a certain air supply pressure is kept in the emergency oil tank 1, and lubricating oil is supplied to the main oil supply pipe 5 through air pressure, so that the oil pressure stability of the lubricating oil leading to the lubricating working end is ensured.
As shown in fig. 1, when the oil pump 14 in the main oil tank 4 fails, the oil supply pressure to the lubrication working end through the main oil tank 4 is zero, and at this time, the oil supply pressure in the emergency oil tank 1 is greater than the pressure in the main oil supply pipe 5, and the emergency oil tank 1 supplements the oil supply pressure in the main oil supply pipe 5 through the emergency oil pipe 3, so that the lubricating oil is supplied into the main oil supply pipe 5 through the emergency oil pipe 3. As shown in fig. 2, since the second check valve 7 is disposed on the main oil supply pipe 5 before the three-way connection 8, the lubricating oil flowing toward the main oil supply pipe 5 through the emergency oil pipe 3 can only flow toward the lubricating working end, so that the stability of the oil supply pressure of the lubricating working end is maintained, and the accidental shutdown of the lubricating working end is avoided.
It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications of the invention may be made without departing from the scope of the invention.
Claims (10)
1. A protection system for an emergency condition of oil supply, comprising:
the lubricating oil tank comprises a main oil tank (4), wherein the interior of the main oil tank is suitable for containing lubricating oil, a main oil supply pipe (5) and an oil pump (14) are arranged on the main oil tank (4), and the lubricating oil in the main oil tank (4) is suitable for supplying oil to a lubricating working end through the main oil supply pipe (5) under the driving of the oil pump (14);
the emergency oil tank (1) is a closable oil tank which is connected with the main oil tank (4) in parallel, and lubricating oil is supplied to the lubricating working end by the emergency oil tank (1) through an emergency oil pipe (3);
the emergency oil pipe (3) is communicated with the main oil supply pipe (5) through a tee joint (8) before the emergency oil pipe is communicated with the lubricating working end; a first one-way valve (6) which is communicated towards the three-way connector (8) in one way is arranged in front of the three-way connector (8) communicated with the main oil supply pipe (5) on the emergency oil pipe (3); a second one-way valve (7) which is communicated towards the three-way connector (8) in a one-way mode is arranged in front of the three-way connector (8) communicated with the emergency oil pipe (3) on the main oil supply pipe (5);
be provided with gas supply line (2) on emergent oil tank (1), emergent oil tank (1) is suitable for through this gas supply line (2) with the air supply intercommunication.
2. The protection system for the emergency state of oil supply according to claim 1, wherein the first check valve (6) is provided with an oil supply bypass (9) at the front end and the rear end, and the oil supply bypass (9) is provided with an oil supply shut-off valve (10);
the emergency oil tank (1) is communicated with an overflow oil return pipeline (11) at the top end, the emergency oil tank (1) is communicated with the main oil tank (4) through the overflow oil return pipeline (11), and an overflow valve (12) is arranged on the overflow oil return pipeline (11).
3. Protection system for the emergency condition of oil supply according to claim 1, characterized in that said emergency tank (1) is provided with pressure detection means and level detection means.
4. Protection system for the emergency condition of oil supply according to claim 1, characterized in that an air intake valve (13) is provided on said air supply duct (2).
5. Protection system for the emergency condition of oil supply according to claim 4, characterized in that said admission valve (13) is a normally open solenoid valve.
6. Protection system for the emergency of the oil supply according to claim 1, characterized in that the minimum level of the emergency tank (1) is higher than the level of the lubricating work end, the emergency oil pipe (3) communicating at the bottom end of the emergency tank (1).
7. Protection system for an emergency situation of oil supply according to claim 1, characterized in that said main tank (4) is provided with level detection means and pressure detection means, and said main tank (4) is further provided with venting means (15).
8. Protection system for the emergency condition of oil supply according to claim 7, characterized in that said exhaust means (15) comprise: an exhaust duct (16) and an exhaust fan (17) connected to the exhaust duct (16) and adapted to be driven by a motor.
9. The protection system for the emergency state of oil supply according to any one of claims 1 to 8, wherein the plurality of lubricating working ends are provided, and are respectively communicated with the emergency oil tank (1) through emergency oil pipes (3), are respectively communicated with the main oil tank (4) through main oil supply pipes (5), and each emergency oil pipe (3) corresponds to one main oil supply pipe (5) and is communicated with the main oil supply pipe (8) through a three-way joint (8).
10. A method of supplying oil, comprising the steps of:
supplying lubricating oil in a main oil tank (4) to a lubrication working end by driving of an oil pump (14), and maintaining oil pressure in a main oil supply pipe (5) by the oil pump (14);
when the oil pressure in the main oil supply pipe (5) is reduced, lubricating oil is supplied into the main oil supply pipe (5) through the emergency oil tank (1) to maintain the oil pressure in the main oil supply pipe (5);
the emergency oil tank (1) supplies lubricating oil towards the interior of the main oil supply pipe (5) through air pressure, so that the oil pressure stability of the lubricating oil leading to the lubricating working end is guaranteed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110620398.9A CN113339682A (en) | 2021-06-03 | 2021-06-03 | Protection system and oil supply method for oil supply emergency state |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110620398.9A CN113339682A (en) | 2021-06-03 | 2021-06-03 | Protection system and oil supply method for oil supply emergency state |
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| Publication Number | Publication Date |
|---|---|
| CN113339682A true CN113339682A (en) | 2021-09-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110620398.9A Pending CN113339682A (en) | 2021-06-03 | 2021-06-03 | Protection system and oil supply method for oil supply emergency state |
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| Country | Link |
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| CN (1) | CN113339682A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114412982A (en) * | 2022-01-18 | 2022-04-29 | 南通理工学院 | Lubricating channel capable of automatically supplying oil for hybrid electric vehicle |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2052099U (en) * | 1989-04-20 | 1990-01-31 | 韩廷谋 | Voltage-stabilizing oil-supplying system for high-level pressure reservoir |
| US5836421A (en) * | 1995-08-12 | 1998-11-17 | Mtu Motoren- Und Turbinen Union Friedrichshafen Gmbh | Lubricating system for internal combustion engines |
| CN204984503U (en) * | 2015-08-17 | 2016-01-20 | 辽宁中电动力设备有限公司 | Emergent oil supply unit of no powered |
| CN207246752U (en) * | 2017-08-22 | 2018-04-17 | 新疆五家渠现代石油化工有限公司 | Unit high position fueller |
-
2021
- 2021-06-03 CN CN202110620398.9A patent/CN113339682A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2052099U (en) * | 1989-04-20 | 1990-01-31 | 韩廷谋 | Voltage-stabilizing oil-supplying system for high-level pressure reservoir |
| US5836421A (en) * | 1995-08-12 | 1998-11-17 | Mtu Motoren- Und Turbinen Union Friedrichshafen Gmbh | Lubricating system for internal combustion engines |
| CN204984503U (en) * | 2015-08-17 | 2016-01-20 | 辽宁中电动力设备有限公司 | Emergent oil supply unit of no powered |
| CN207246752U (en) * | 2017-08-22 | 2018-04-17 | 新疆五家渠现代石油化工有限公司 | Unit high position fueller |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114412982A (en) * | 2022-01-18 | 2022-04-29 | 南通理工学院 | Lubricating channel capable of automatically supplying oil for hybrid electric vehicle |
| CN114412982B (en) * | 2022-01-18 | 2023-05-02 | 南通理工学院 | Lubricating channel capable of supplying oil autonomously for hybrid electric vehicle |
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