CN114212231A - Marine water lubricated bearing cooling device and boats and ships - Google Patents
Marine water lubricated bearing cooling device and boats and ships Download PDFInfo
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- CN114212231A CN114212231A CN202111576864.4A CN202111576864A CN114212231A CN 114212231 A CN114212231 A CN 114212231A CN 202111576864 A CN202111576864 A CN 202111576864A CN 114212231 A CN114212231 A CN 114212231A
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- water
- lubricated bearing
- cooling device
- marine
- bearing cooling
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 143
- 238000001816 cooling Methods 0.000 title claims abstract description 72
- 239000008213 purified water Substances 0.000 claims abstract description 50
- 239000007788 liquid Substances 0.000 claims abstract description 39
- 239000013535 sea water Substances 0.000 claims abstract description 33
- 239000010865 sewage Substances 0.000 claims abstract description 26
- 239000012535 impurity Substances 0.000 claims abstract description 9
- 230000001050 lubricating effect Effects 0.000 claims abstract description 4
- 238000007789 sealing Methods 0.000 claims description 8
- 230000007613 environmental effect Effects 0.000 abstract description 6
- 238000005461 lubrication Methods 0.000 description 8
- 238000000746 purification Methods 0.000 description 4
- 239000010687 lubricating oil Substances 0.000 description 3
- 238000012544 monitoring process Methods 0.000 description 2
- 229920001342 Bakelite® Polymers 0.000 description 1
- 235000010931 Mesua ferrea Nutrition 0.000 description 1
- 235000005704 Olneya tesota Nutrition 0.000 description 1
- 240000007909 Prosopis juliflora Species 0.000 description 1
- 235000008198 Prosopis juliflora Nutrition 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 230000002567 autonomic effect Effects 0.000 description 1
- 239000004637 bakelite Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000010612 desalination reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000008707 rearrangement Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 229920002994 synthetic fiber Polymers 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63H—MARINE PROPULSION OR STEERING
- B63H21/00—Use of propulsion power plant or units on vessels
- B63H21/38—Apparatus or methods specially adapted for use on marine vessels, for handling power plant or unit liquids, e.g. lubricants, coolants, fuels or the like
- B63H21/383—Apparatus or methods specially adapted for use on marine vessels, for handling power plant or unit liquids, e.g. lubricants, coolants, fuels or the like for handling cooling-water
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63H—MARINE PROPULSION OR STEERING
- B63H23/00—Transmitting power from propulsion power plant to propulsive elements
- B63H23/32—Other parts
- B63H23/321—Bearings or seals specially adapted for propeller shafts
- B63H23/326—Water lubricated bearings
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- Ocean & Marine Engineering (AREA)
- Mounting Of Bearings Or Others (AREA)
Abstract
The invention relates to the technical field of ship engineering and discloses a water-lubricated bearing cooling device for a ship and the ship. The marine water-lubricated bearing cooling device is used for cooling the water-lubricated bearing and comprises a pump set device, a solid-liquid separator and a control system; the solid-liquid separator comprises a water inlet, a purified water outlet and a sewage outlet, and the pump set device is connected to the water inlet and is used for conveying seawater into the solid-liquid separator; the solid-liquid separator can filter the seawater to form purified water and sewage containing impurities, the purified water is discharged through the purified water outlet, the sewage is discharged through the sewage outlet, and the purified water outlet is connected to the water lubricating bearing through a pipeline; the control system is used for controlling the conveying power of the pump group device. The invention realizes the cooling of the water-lubricated bearing and has the advantages of cleanness, environmental protection, low cost, simple structure and the like.
Description
Technical Field
The invention relates to the technical field of ship engineering, in particular to a marine water-lubricated bearing cooling device and a ship.
Background
At present, an oil lubrication bearing is mainly adopted for a ship propulsion shaft system, but due to abrasion and aging of sealing, the risk that lubricating oil leaks into seawater exists, and once the lubricating oil leaks in lakes and regions along rivers, great environmental pollution is brought. The water lubricated bearing can solve the problem, the water lubricated bearing is mainly made of ironwood, laminated bakelite, rubber, synthetic materials and the like, lubricating oil is not needed for lubrication, only seawater is needed, and the water lubricated bearing has the advantages of cleanness, environmental friendliness, low cost, simple structure and the like, and has a very wide application prospect at present. However, the water lubricated bearings must have enough clean seawater for cooling and, in the event of a water supply failure or heavy silt seawater, the water lubricated bearings wear rapidly until damaged.
Accordingly, there is a need for a cooling device for a marine water lubricated bearing and a ship to solve the above problems.
Disclosure of Invention
Based on the above, the invention aims to provide a marine water lubricated bearing cooling device and a ship, which can cool a water lubricated bearing and have the advantages of cleanness, environmental protection, low cost, simple structure and the like.
In order to achieve the purpose, the invention adopts the following technical scheme:
in one aspect, there is provided a marine water-lubricated bearing cooling device for cooling a water-lubricated bearing, the marine water-lubricated bearing cooling device including:
a pump set arrangement;
the pump set device is connected with the water inlet and is used for conveying seawater into the solid-liquid separator; the solid-liquid separator can filter the seawater to form purified water and sewage containing impurities, the purified water is discharged through the purified water outlet, and the sewage is discharged through the sewage outlet;
the purified water outlet is connected to the water lubricating bearing through a pipeline;
and the control system is used for controlling the conveying power of the pump set device.
The preferable technical scheme of the marine water-lubricated bearing cooling device further comprises a first pressure sensor which is arranged on the side wall of the solid-liquid separator and used for detecting the water pressure in the solid-liquid separator, and the first pressure sensor is electrically connected to the control system.
As a preferred technical scheme of the marine water lubrication bearing cooling device, the solid-liquid separator is provided with two water inlets;
and the two groups of pump sets are respectively connected with the two water inlets.
As a preferred technical scheme of the marine water lubricated bearing cooling device, the marine water lubricated bearing cooling device further comprises a second pressure sensor which is arranged on the pipeline at the downstream of the purified water outlet and used for detecting the water pressure of the purified water, and the second pressure sensor is electrically connected to the control system.
As a preferred technical scheme of the marine water lubrication bearing cooling device, the marine water lubrication bearing cooling device further comprises a check valve which is arranged on the pipeline at the downstream of the purified water outlet.
As a preferred technical scheme of the marine water lubrication bearing cooling device, the marine water lubrication bearing cooling device further comprises a flowmeter which is arranged on the pipeline at the downstream of the purified water outlet.
As a preferred technical scheme of the marine water lubricated bearing cooling device, the marine water lubricated bearing cooling device further comprises an alarm device which is electrically connected with the control system, and when the marine water lubricated bearing cooling device breaks down, the alarm device gives an alarm.
As a preferred technical scheme of the marine water lubricated bearing cooling device, the pipeline is connected with the flowmeter through a flange, and a sealing gasket is arranged between two mutually connected flanges.
As a preferred technical scheme of the marine water lubricated bearing cooling device, the cooling device further comprises a temperature sensor for measuring the temperature of the water lubricated bearing, and the temperature sensor is electrically connected to the control system.
In another aspect, a ship is provided, which comprises at least two sets of the water-lubricated bearing cooling device for ships in any one of the aspects.
The invention has the beneficial effects that:
the invention provides a marine water lubricated bearing cooling device, which is characterized in that seawater is conveyed into a solid-liquid separator through a pump set device, the solid-liquid separator filters the seawater to form purified water and sewage containing impurities, the sewage is discharged through a sewage outlet, the purified water is discharged through a purified water outlet, the effective separation of the seawater impurities is realized, and then the purified water is conveyed to a water lubricated bearing through a pipeline and is used for cooling the water lubricated bearing. The cooling device for the marine water-lubricated bearing uses filtered purified water to cool the water-lubricated bearing, has the advantages of cleanness, environmental protection, low cost, simple structure and the like, and has wide application prospect in the future; moreover, the control system controls the conveying power of the pump set device, and the working state of the pump set device is adjusted, so that the seawater quantity meets the cooling requirement, and the operability of the device is improved.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings used in the description of the embodiments of the present invention will be briefly described below, and 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 contents of the embodiments of the present invention and the drawings without creative efforts.
FIG. 1 is a front view of a marine water-lubricated bearing cooling device according to an embodiment of the present invention;
fig. 2 is a schematic structural view of a marine water-lubricated bearing cooling device according to an embodiment of the present invention.
The figures are labeled as follows:
100. a marine water lubricated bearing cooling device;
1. a pump set arrangement; 11. a motor; 12. a coupling; 13. a sea water pump; 2. a solid-liquid separator; 21. a main pipeline; 22. a sewage conduit; 3. a first pressure sensor; 4. a second pressure sensor; 5. a check valve; 6. a flow meter; 7. a pressure analysis device; 8. a control box; 9. a base assembly.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only some of the structures related to the present invention are shown in the drawings, not all of the structures.
In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, removably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
In the description of the present embodiment, the terms "upper", "lower", "left", "right", and the like are used based on the orientations and positional relationships shown in the drawings only for convenience of description and simplification of operation, and do not indicate or imply that the referred device or element must have a specific orientation, be configured and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used only for descriptive purposes and are not intended to have a special meaning.
As shown in fig. 1, the present embodiment provides a marine water-lubricated bearing cooling device for cooling a water-lubricated bearing, which includes a pump unit 1, a solid-liquid separator 2, and a control system.
Specifically, the solid-liquid separator 2 comprises a water inlet, a purified water outlet and a sewage outlet, and the pump set device 1 is connected to the water inlet and used for conveying seawater into the solid-liquid separator 2; the solid-liquid separator 2 can filter seawater to form purified water and sewage containing impurities, the purified water is discharged through the purified water outlet, and the sewage is discharged through the sewage outlet; the purified water outlet is connected to the water lubricating bearing through a pipeline; the control system is used for controlling the delivery power of the pump unit arrangement 1, and in this embodiment the control system is arranged in the control box 8. In this embodiment, the pump unit device 1 includes a motor 11, a coupler 12 and a seawater pump 13, and an output shaft of the motor 11 is connected to the seawater pump 13 through the drive of the coupler 12, so as to realize the transportation of seawater.
When the seawater desalination device works, seawater is conveyed into the solid-liquid separator 2 through the pump set device 1, the solid-liquid separator 2 filters the seawater to form purified water and sewage containing impurities, the sewage is discharged through the sewage outlet, and the purified water is discharged through the purified water outlet, so that the seawater impurities are effectively separated; and then the purified water is conveyed to the water lubricated bearing through a pipeline for cooling the water lubricated bearing. The marine water-lubricated bearing cooling device uses filtered purified water to cool the water-lubricated bearing, and has the advantages of cleanness, environmental protection, low cost, simple structure and the like, and has very wide application prospect in the future; moreover, the control system controls the conveying power of the pump set device 1, and the working state of the pump set device 1 is adjusted, so that the seawater quantity meets the cooling requirement, and the operability of the device is improved.
In this embodiment, the sewage outlet is connected to the sewage conduit 22, and sewage flows out through the sewage conduit 22; the purified water outlet is connected to the main pipe 21, and the purified water is conveyed to the part to be cooled through the main pipe 21. It should be noted that the solid-liquid separator 2 is a common device in the prior art, and the working principle and structure thereof will not be described herein.
Preferably, the marine water lubricated bearing cooling device further comprises a first pressure sensor 3, the marine water lubricated bearing cooling device is arranged on the side wall of the solid-liquid separator 2 and is used for detecting the water pressure inside the solid-liquid separator 2, and the first pressure sensor 3 is electrically connected to the control system. Specifically, first pressure sensor 3 is connected in control system through pressure analysis device 7, and this marine water lubricated bearing during operation, the inside sea water pressure of solid-liquid separator 2 is measured in real time to first pressure sensor 3, and when sea water pressure was zero, it has no sea water circulation in the solid-liquid separator 2 to prove, and control system sends shut down signal to whole ship control system this moment, maintains pump assembly device 1, guarantees that the propulsion shafting at water lubricated bearing place moves safely and stably.
Further preferably, two water inlets are arranged on the solid-liquid separator 2; the pump unit devices 1 are divided into two groups which are respectively connected with the two water inlets. When the pump set device 1 detects that the seawater pressure in the solid-liquid separator 2 is zero, the control system switches the other pump set device 1 to work, and the phenomenon that the propulsion shafting is stopped due to the failure of the pump set device 1 is avoided. When two groups of pump unit devices 1 simultaneously break down, the control system sends a stop signal to the whole ship control system, and the staff carries out integral maintenance on the ship water lubrication bearing cooling device.
Preferably, the marine water lubricated bearing cooling device further comprises an alarm device, wherein the alarm device is electrically connected to the control system, and when the marine water lubricated bearing cooling device breaks down, the alarm device gives an alarm. Specifically, the alarm device can be an audible and visual alarm to remind workers of knowing the working state of the marine water-lubricated bearing cooling device in time.
When water purification is carried to the water lubricated bearing through the pipeline, the water pressure of water purification needs to reach and predetermines the water pressure value, just can reach the effect that the water purification sprays, measures the water pressure of sea water alone, can't learn the water pressure of the water purification after filtering. Further, the marine water lubricated bearing cooling device further comprises a second pressure sensor 4 which is arranged on a pipeline at the downstream of the purified water outlet and used for detecting the water pressure of the purified water, and the second pressure sensor 4 is electrically connected to the control system. The second pressure sensor 4 is connected to the control system through the pressure analysis device 7, the second pressure sensor 4 detects the water pressure of the purified water in the pipeline at the downstream of the purified water outlet in real time, and the control system adjusts the conveying power of the pump set device 1 according to the water pressure of the purified water. When the water pressure of the purified water is lower than the preset water pressure value, the conveying power of the pump set device 1 is increased until the water pressure of the purified water is not lower than the preset water pressure value.
Preferably, the marine water lubricated bearing cooling device further comprises a check valve 5 disposed on the pipe downstream of the purified water outlet, the check valve 5 preventing the purified water from flowing back into the solid-liquid separator 2.
Preferably, the marine water-lubricated bearing cooling device further comprises a temperature sensor for measuring the temperature of the water-lubricated bearing, and the temperature sensor is electrically connected to the control system. The temperature sensor detects the temperature of the water-lubricated bearing in real time, sends temperature information to the control system, and when the temperature is higher than a preset temperature threshold value, the control system sends an instruction to increase the conveying efficiency of the pump set device 1.
Further preferably, the marine water lubricated bearing cooling device further comprises a flow meter 6, and the flow meter 6 is arranged on the pipeline downstream of the purified water outlet. The flow meter 6 is used for measuring the flow rate of the purified water and sending the flow rate value of the purified water to the control system, and the control system accurately controls the conveying efficiency of the pump unit 1 according to the flow rate value as the reference of the conveying efficiency of the pump unit 1.
Preferably, in the present embodiment, the pump unit device 1, the solid-liquid separator 2, the check valve 5, the flow meter 6, and the portion to be cooled of the water lubricated bearing are connected in sequence by a pipe, wherein the first pressure sensor 3 is connected to the solid-liquid separator 2, and the second pressure sensor 4 is connected to the pipe between the solid-liquid separator 2 and the check valve 5. Wherein, through flange joint between pipeline and the flowmeter 6, and be provided with seal gasket between two flanges of interconnect, realize the sealing connection of flowmeter 6 and pipeline. In a similar way, the solid-liquid separator 2 and the check valve 5 are also connected with the pipeline through flanges, and a sealing gasket is arranged between the two mutually connected flanges to realize sealing connection. The inlet end of the check valve 5 is hermetically connected with the pipeline, and the outlet end of the check valve is directly hermetically connected with the inlet end of the flowmeter 6, so that the number of parts is reduced, and the assembly efficiency is improved. The connecting end of each part and the pipeline is provided with a flange, the pipeline is connected with each part through the flange, and a sealing gasket is arranged between the two mutually connected flanges, so that the pipeline sealing reliability of the marine water-lubricated bearing cooling device is ensured. Preferably, the material of pipeline is stainless steel pipe, prevents that the pipeline from rustting, satisfies the structural strength demand, improves the reliability of pipeline.
Preferably, the marine water lubricated bearing cooling device further comprises a base assembly 9, the base assembly 9 is welded through components such as a seat plate, a base plate and a support plate, and other components such as the pump unit 1, the solid-liquid separator 2, the check valve 5, the flowmeter 6, the pressure analysis device 7 and the control box 8 are fixedly mounted on the base assembly 9 through bolts, pipe clamps and the like.
In this embodiment, the pump unit device 1 is used for conveying seawater, the seawater is effectively separated from impurities in the solid-liquid separator 2, and the data of the first pressure sensor 3, the second pressure sensor 4, the flow meter 6 and the temperature sensor are obtained in real time through the control system, so that the marine water lubricated bearing cooling device which is compact in structure, capable of effectively purifying seawater, stable in flow and pressure, provided with an autonomous monitoring and control function and high in reliability is realized, and the service life of the water lubricated bearing is prolonged. This marine water lubricated bearing cooling device is complete set of intelligent device, has autonomic monitoring and control function, and advantages such as clean environmental protection, with low costs, simple structure are very extensive for future application prospect.
The present embodiment also provides a ship comprising at least two sets of the above-described marine water-lubricated bearing cooling devices 100. Specifically, as shown in fig. 2, the purified water outlets of the solid-liquid separators 2 of the two groups of marine water-lubricated bearing cooling devices 100 are communicated through a pipeline and are connected to the water-lubricated bearings through pipelines, so as to cool the water-lubricated bearings. In this embodiment, the marine water lubricated bearing cooling devices 100 are two groups, and when one group of the marine water lubricated bearing cooling devices 100 fails, the other group of the marine water lubricated bearing cooling devices 100 can be switched to operate immediately through the control system, so that the thrust shafting where the water lubricated bearings are located is prevented from being stopped, the working efficiency is improved, and the wind risk resistance is increased.
It is to be noted that the foregoing is only illustrative of the preferred embodiments of the present invention and the technical principles employed. It will be understood by those skilled in the art that the present invention is not limited to the particular embodiments described herein, but is capable of various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the invention. Therefore, although the present invention has been described in greater detail by the above embodiments, the present invention is not limited to the above embodiments, and may include other equivalent embodiments without departing from the spirit of the present invention, and the scope of the present invention is determined by the scope of the appended claims.
Claims (10)
1. A marine water-lubricated bearing cooling device for cooling a water-lubricated bearing, the marine water-lubricated bearing cooling device comprising:
a pump unit arrangement (1);
the solid-liquid separator (2) comprises a water inlet, a purified water outlet and a sewage outlet, and the pump set device (1) is connected to the water inlet and is used for conveying seawater into the solid-liquid separator (2); the solid-liquid separator (2) can filter the seawater to form purified water and sewage containing impurities, the purified water is discharged through the purified water outlet, the sewage is discharged through the sewage outlet, and the purified water outlet is connected to the water lubricating bearing through a pipeline;
a control system for controlling the delivery power of the pump unit arrangement (1).
2. The marine water-lubricated bearing cooling device according to claim 1, further comprising a first pressure sensor (3) disposed on a sidewall of the solid-liquid separator (2) for detecting a water pressure inside the solid-liquid separator (2), wherein the first pressure sensor (3) is electrically connected to the control system.
3. Marine water-lubricated bearing cooling device according to claim 1, wherein said solid-liquid separator (2) is provided with two said water inlets;
the pump unit devices (1) are divided into two groups and are respectively connected to the two water inlets.
4. The marine water-lubricated bearing cooling device according to claim 1, further comprising a second pressure sensor (4) disposed on the pipe downstream of the purified water outlet for detecting the water pressure of the purified water, the second pressure sensor (4) being electrically connected to the control system.
5. Marine water-lubricated bearing cooling device according to claim 1, further comprising a check valve (5) arranged on the conduit downstream of the clean water outlet.
6. Marine water-lubricated bearing cooling device according to claim 1, further comprising a flow meter (6) arranged on the pipeline downstream of the clean water outlet.
7. The marine water lubricated bearing cooling device of claim 1, further comprising an alarm device electrically connected to the control system, wherein the alarm device alarms when the marine water lubricated bearing cooling device fails.
8. Marine water-lubricated bearing cooling device according to claim 6, characterized in that said pipe is flanged to said flow meter (6) and a sealing gasket is provided between two of said flanges that are connected to each other.
9. The marine water lubricated bearing cooling device of claim 1, further comprising a temperature sensor for measuring the temperature of the water lubricated bearing, the temperature sensor being electrically connected to the control system.
10. A ship comprising at least two sets of water-lubricated marine bearing cooling devices according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111576864.4A CN114212231A (en) | 2021-12-22 | 2021-12-22 | Marine water lubricated bearing cooling device and boats and ships |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111576864.4A CN114212231A (en) | 2021-12-22 | 2021-12-22 | Marine water lubricated bearing cooling device and boats and ships |
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| Publication Number | Publication Date |
|---|---|
| CN114212231A true CN114212231A (en) | 2022-03-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111576864.4A Pending CN114212231A (en) | 2021-12-22 | 2021-12-22 | Marine water lubricated bearing cooling device and boats and ships |
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| Country | Link |
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| CN (1) | CN114212231A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE665852A (en) * | 1964-06-23 | 1965-10-18 | ||
| JPH0988596A (en) * | 1995-09-28 | 1997-03-31 | Aisin Seiki Co Ltd | Water cooling device for automobile engine |
| CN108791796A (en) * | 2018-06-15 | 2018-11-13 | 广州文冲船厂有限责任公司 | A kind of cooling monitoring device and method of the water lubriucated bearing of propeller shaft |
| CN109895986A (en) * | 2019-04-02 | 2019-06-18 | 武汉理工大学 | A kind of lubrication water installations and its operation method for open type water lubrication tail bearing |
| CN214397177U (en) * | 2021-03-11 | 2021-10-15 | 启东恒昊船舶科技有限公司 | Safety synergistic device for ship stern tube bearing system |
-
2021
- 2021-12-22 CN CN202111576864.4A patent/CN114212231A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE665852A (en) * | 1964-06-23 | 1965-10-18 | ||
| JPH0988596A (en) * | 1995-09-28 | 1997-03-31 | Aisin Seiki Co Ltd | Water cooling device for automobile engine |
| CN108791796A (en) * | 2018-06-15 | 2018-11-13 | 广州文冲船厂有限责任公司 | A kind of cooling monitoring device and method of the water lubriucated bearing of propeller shaft |
| CN109895986A (en) * | 2019-04-02 | 2019-06-18 | 武汉理工大学 | A kind of lubrication water installations and its operation method for open type water lubrication tail bearing |
| CN214397177U (en) * | 2021-03-11 | 2021-10-15 | 启东恒昊船舶科技有限公司 | Safety synergistic device for ship stern tube bearing system |
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