CN113550808A - Throttle control lubricating system - Google Patents
Throttle control lubricating system Download PDFInfo
- Publication number
- CN113550808A CN113550808A CN202110946492.3A CN202110946492A CN113550808A CN 113550808 A CN113550808 A CN 113550808A CN 202110946492 A CN202110946492 A CN 202110946492A CN 113550808 A CN113550808 A CN 113550808A
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- Prior art keywords
- oil
- engine oil
- filter
- engine
- supercharger
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01M—LUBRICATING OF MACHINES OR ENGINES IN GENERAL; LUBRICATING INTERNAL COMBUSTION ENGINES; CRANKCASE VENTILATING
- F01M1/00—Pressure lubrication
- F01M1/02—Pressure lubrication using lubricating pumps
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01M—LUBRICATING OF MACHINES OR ENGINES IN GENERAL; LUBRICATING INTERNAL COMBUSTION ENGINES; CRANKCASE VENTILATING
- F01M1/00—Pressure lubrication
- F01M1/10—Lubricating systems characterised by the provision therein of lubricant venting or purifying means, e.g. of filters
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01M—LUBRICATING OF MACHINES OR ENGINES IN GENERAL; LUBRICATING INTERNAL COMBUSTION ENGINES; CRANKCASE VENTILATING
- F01M1/00—Pressure lubrication
- F01M1/12—Closed-circuit lubricating systems not provided for in groups F01M1/02 - F01M1/10
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01M—LUBRICATING OF MACHINES OR ENGINES IN GENERAL; LUBRICATING INTERNAL COMBUSTION ENGINES; CRANKCASE VENTILATING
- F01M11/00—Component parts, details or accessories, not provided for in, or of interest apart from, groups F01M1/00 - F01M9/00
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01M—LUBRICATING OF MACHINES OR ENGINES IN GENERAL; LUBRICATING INTERNAL COMBUSTION ENGINES; CRANKCASE VENTILATING
- F01M11/00—Component parts, details or accessories, not provided for in, or of interest apart from, groups F01M1/00 - F01M9/00
- F01M11/03—Mounting or connecting of lubricant purifying means relative to the machine or engine; Details of lubricant purifying means
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01M—LUBRICATING OF MACHINES OR ENGINES IN GENERAL; LUBRICATING INTERNAL COMBUSTION ENGINES; CRANKCASE VENTILATING
- F01M5/00—Heating, cooling, or controlling temperature of lubricant; Lubrication means facilitating engine starting
- F01M5/002—Cooling
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Lubrication Of Internal Combustion Engines (AREA)
Abstract
The invention provides a throttling control lubricating system, and relates to the technical field of diesel engine lubricating systems. The engine oil pump assembly is respectively communicated with an oil pan and an oil supply pipe of a diesel engine, the oil supply pipe is respectively communicated with the engine oil cooler and the thermostat, the engine oil cooler and the thermostat are respectively communicated with the engine oil distribution block through pipelines, the engine oil distribution block is respectively communicated with the filter assembly, the supercharger assembly, a main oil duct and a piston cooling nozzle through pipelines, the thermostat is arranged, the cooling water quantity can be saved, the thermostat can adjust the oil temperature according to actual conditions, the converged oil temperature reaches the optimal value of a use state, a plurality of oil paths can be distributed as required under the coordination treatment of the engine oil distribution block, the pressure is kept stable, and the consumption of the engine oil is effectively reduced on the basis of meeting the normal operation requirements of the diesel engine.
Description
Technical Field
The invention relates to the technical field of diesel engine lubricating systems, in particular to a throttling control lubricating system.
Background
The lubricating system of the diesel engine plays an important role in the running process of the diesel engine, and when the diesel engine works, most of transmission parts perform high-speed relative motion under a small clearance, such as a crankshaft main journal and a main bearing, a crank pin and a connecting rod bearing, a cam journal and a cam shaft bearing, a piston ring and a cylinder wall surface, various kinematic pairs and transmission gear pairs of a gas distribution mechanism and the like. The working surfaces of these parts are subject to intense friction when in motion, which not only increases the power consumption of the engine and accelerates wear of the working surfaces of the parts, but may also burn the working surfaces of the parts due to the heat generated by the friction, rendering the engine inoperative. It is therefore necessary to try to minimize the friction on the surfaces of the parts in order to ensure the proper functioning of the diesel engine. One of the effective measures for reducing friction is to add enough lubricating oil between the friction surfaces of the running parts and form an oil film with certain strength and thickness to separate the two friction surfaces, so that the metals are not in direct contact with each other, thereby greatly reducing friction loss.
The applicant finds that at least the following technical problems exist in the prior art: the traditional diesel engine lubricating system mainly adopts a pressure lubricating mode, a gear type oil pump sucks engine oil from an oil pan of a diesel engine through an oil suction pipe, the engine oil is pressurized and then enters a main oil duct through an engine oil cooler and an engine oil filter, oil is supplied to all lubricating points needing oil supply and piston cooling nozzles from the main oil duct, and meanwhile, a pre-oil supply pump is designed to facilitate pre-lubrication of the machine and extraction and replacement of engine oil waste oil before starting. Because all the lubricating points of the lubricating mode flow in from the main oil gallery, the pressure and flow control basically depend on throttling, and the problem of high engine oil consumption is caused by meeting the requirement of normal operation of the diesel engine.
Disclosure of Invention
The invention aims to provide a throttling control lubricating system to solve the technical problem that the oil consumption is high in the prior art. The technical effects that can be produced by the preferred technical scheme in the technical schemes provided by the invention are described in detail in the following.
In order to achieve the purpose, the invention provides the following technical scheme:
a throttling control lubricating system comprises an oil pump assembly, a filter assembly, a supercharger assembly, an oil cooler, an oil distribution block and a thermostat, wherein the oil pump assembly is respectively communicated with an oil pan and an oil supply pipe of a diesel engine, the oil supply pipe is respectively communicated with the oil cooler and the thermostat, the oil cooler and the thermostat are respectively communicated with the oil distribution block through pipelines, and the oil distribution block is respectively communicated with the filter assembly, the supercharger assembly, a main oil duct and a piston cooling nozzle through pipelines.
Preferably, the engine oil pump assembly comprises a filter screen, an oil suction pipe, an engine oil pump and a pressure reducing valve, one end of the oil suction pipe is connected with the filter screen and is positioned at the bottom of the oil pan of the diesel engine, the other end of the oil suction pipe is communicated with the engine oil pump, the engine oil pump is communicated with the oil supply pipe, and the pressure reducing valve is installed on the engine oil pump.
Preferably, the filter assembly comprises two filter heads and two full-flow filters which are connected, the two full-flow filters are arranged side by side, and the engine oil distribution block is communicated with each full-flow filter through a drainage pipeline and a return pipeline.
Preferably, the filter assembly further comprises a filter bypass valve disposed on the filter head.
Preferably, the filter assembly further comprises a bypass filter, the bypass filter is connected to the filter head, and the bypass filter is communicated with the diesel engine oil sump through a pipeline.
Preferably, the supercharger assembly comprises supercharger bodies, and the number of the supercharger bodies is one or two.
Preferably, the number of the supercharger bodies is one, and the supercharger bodies are respectively communicated with the engine oil distribution block and the diesel engine oil pan through pipelines.
Preferably, the number of the supercharger bodies is two, one of the supercharger bodies is communicated with the engine oil distribution block and the diesel engine oil pan through pipelines, the other supercharger body is communicated with the filter assembly and the diesel engine oil pan through pipelines, and the supercharger further comprises an electro-hydraulic bypass valve, and the electro-hydraulic bypass valve is communicated with the engine oil distribution block and the diesel engine oil pan through pipelines.
Preferably, a piston cooling nozzle opening valve and a piston cooling nozzle control valve are further arranged on a pipeline between the oil distribution block and the piston cooling nozzle.
Preferably, a safety valve is installed on the oil supply pipe.
The invention has the beneficial effects that: the throttling control lubricating system comprises an oil pump assembly, a filter assembly, a supercharger assembly, an oil cooler, an oil distribution block and a thermostat, wherein the oil pump assembly is respectively communicated with an oil pan of the diesel engine and an oil supply pipe, and the oil pump assembly can pump the oil in the oil pan of the diesel engine and convey the oil to the oil supply pipe;
the oil supply pipe is respectively communicated with the engine oil cooler and the thermostat, the engine oil cooler and the thermostat are respectively communicated with the engine oil distribution block through pipelines, the thermostat is arranged, when the temperature of the engine oil is lower than a set temperature, most of the engine oil can directly flow into the engine oil distribution block, a small part of the engine oil flows into the engine oil cooler, when the temperature of the engine oil reaches the set temperature, an oil way which directly flows into the engine oil distribution block is gradually closed, and the engine oil completely flows into the engine oil cooler, so that the cooling water quantity can be saved, and the thermostat can adjust the oil temperature according to the actual condition to enable the converged oil temperature to reach the optimal value of the use state;
the engine oil distribution block is communicated with the filter assembly through a pipeline, introduces the engine oil into the filter assembly and introduces the engine oil filtered by the filter assembly back into the engine oil distribution block;
filtered engine oil is distributed by the engine oil distribution block and is respectively conveyed to a specific structure to be lubricated through a plurality of pipelines, a plurality of oil ways can be distributed as required under the coordination treatment of the engine oil distribution block, the pressure is kept stable, and the consumption of the engine oil is effectively reduced on the basis of meeting the normal operation requirement of a diesel engine.
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 block diagram of the present invention;
in the figure 1, a filter screen; 2. an oil suction pipe; 3. an oil pump; 4. an oil supply pipe; 5. an oil cooler; 6. an engine oil distribution block; 7. a filter head; 8. a full flow filter; 9. a bypass filter; 10. a main oil gallery; 11. an oil-gas separator; 12. a piston cooling nozzle; 13. a supercharger body; 14. an electro-hydraulic bypass valve; 15. a pressure reducing valve; 16. a safety valve; 17. a thermostat; 18. a filter bypass valve; 19. a piston cooling nozzle opening valve; 20. the piston cools the nozzle control valve.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the technical solutions of the present invention will be described in detail below. It is to be understood that the described embodiments are merely exemplary of the invention, and not restrictive of the full scope of the invention. All other embodiments, which can be derived by a person skilled in the art from the examples given herein without any inventive step, are within the scope of the present invention.
In the description of the present invention, it is to be understood that the terms "central," "lateral," "length," "width," "height," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "side," and the like, as used herein, are used in the orientation or positional relationship indicated in FIG. 1, merely to facilitate the description of the invention and to simplify the description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are not to be construed as limiting the present invention.
In the description of the present invention, it should also 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; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood as appropriate to those of ordinary skill in the art.
Referring to fig. 1, the embodiment provides a throttle control lubricating system, which includes an oil pump assembly, a filter assembly, a supercharger assembly, an oil cooler 5, an oil distribution block 6 and a thermostat 17, wherein the oil pump assembly is respectively communicated with an oil pan of a diesel engine and an oil supply pipe 4, and the oil pump assembly can pump oil in the oil pan of the diesel engine and deliver the oil to the oil supply pipe 4;
the oil supply pipe 4 is respectively communicated with the engine oil cooler 5 and the thermostat 17, the engine oil cooler 5 and the thermostat 17 are respectively communicated with the engine oil distribution block 6 through pipelines, the oil supply pipe 4 is divided into two oil paths, one path of engine oil needs to be cooled by the engine oil cooler 5 and then flows into the engine oil distribution block 6, the other path of engine oil can directly flow into the engine oil distribution block 6 after flowing through the thermostat 17, then the two oil paths are converged again, through the thermostat 17, most of the engine oil can directly flow into the engine oil distribution block 6 when the temperature of the engine oil is lower than the set temperature, a small part of the engine oil flows into the engine oil cooler 5, when the temperature of the engine oil reaches the set temperature, the oil path directly flowing into the engine oil distribution block 6 is gradually closed, the engine oil can completely flow into the engine oil cooler 5, so that the amount of cooling water can be saved, and the thermostat 17 can adjust the temperature of the engine oil according to actual conditions, the converged oil temperature reaches the optimal value of the use state;
the engine oil distribution block 6 is communicated with the filter assembly through a pipeline, the engine oil distribution block 6 introduces the engine oil into the filter assembly, and the engine oil filtered by the filter assembly is introduced back to the engine oil distribution block 6;
the filtered engine oil is distributed by the engine oil distribution block 6 and is respectively conveyed to a specific structure to be lubricated through a plurality of pipelines, one of the pipelines is communicated with the piston cooling nozzle 12 to ensure the pressure stability of the piston cooling engine oil, the other pipeline is communicated with the supercharger assembly, the lubricated supercharger assembly flows back to the oil pan of the diesel engine, the other pipeline is communicated with the main oil gallery 10 to lubricate structures such as a crankshaft, a connecting rod and a timing gear, and the other part of the structures is guided to the main lubricating oil gallery of a cylinder cover and is distributed to a rocker arm, a camshaft, an oil-gas separator 11 and the like, the distribution as required can be realized by a plurality of oil ways under the coordination treatment of the engine oil distribution block 6, the pressure stability is maintained, and the consumption of the engine oil is effectively reduced on the basis of meeting the normal operation requirement of the diesel engine.
As an optional implementation mode, the oil pump assembly comprises a filter screen 1, an oil suction pipe 2, an oil pump 3 and a pressure reducing valve 15, wherein one end of the oil suction pipe 2 is connected with the filter screen 1 and is located at the bottom of an oil pan of the diesel engine, the other end of the oil suction pipe 2 is communicated with the oil pump 3, the oil pump 3 is communicated with an oil supply pipe 4, the oil pump 3 can suck the oil in the oil pan of the diesel engine and convey the oil from the oil suction pipe 2 to the oil supply pipe 4 after being started, the pressure reducing valve 15 is installed on the oil pump 3, and the pressure reducing valve 15 can keep the oil pressure within a normal range, so that reasonable distribution of the oil is realized, and the oil consumption is reduced.
As an optional embodiment, the filter assembly comprises a filter head 7 and full-flow filters 8 which are connected, the number of the full-flow filters 8 is two, the two full-flow filters 8 are arranged side by side, the engine oil distribution block 6 is communicated with each full-flow filter 8 through a drainage pipeline and a return pipeline, the engine oil distribution block 6 introduces the engine oil into the filter assembly through the drainage pipeline, and introduces the engine oil filtered by the filter assembly back into the engine oil distribution block 6 through the return pipeline for subsequent distribution treatment;
it is worth noting that the structures and the interface designs of the oil distribution block 6 and the filter head 7 are preferably the same, and can be used in common, in the attached figure 1, the bottom of the oil distribution block 6 can also be seen to be provided with three interfaces, and the three interfaces can be directly connected with two full-flow filters 8 and a bypass filter 9, so as to simplify the filter head 7, through the design, the scheme that the oil distribution block 6 and the filter head 7 are used simultaneously can be determined according to the specific arrangement space, or the alternative scheme that the oil distribution block 6 is used as the filter head 7 can be adopted, the arrangement is more flexible in the specific position, and the actual requirements on site can be met.
In an optional embodiment, the filter assembly further comprises a filter bypass valve 18, the filter bypass valve 18 is arranged on the filter head 7, and when the full-flow filter 8 has a blockage problem and the like, the normal oil flow can be ensured by opening the filter bypass valve 18, so that the system can operate normally.
In an alternative embodiment, the filter assembly further comprises a bypass filter 9, the bypass filter 9 is connected to the filter head 7, and the bypass filter 9 is communicated with the oil pan of the diesel engine through a pipeline.
As an alternative embodiment, the supercharger assembly comprises supercharger bodies 13, and the number of the supercharger bodies 13 is one or two;
when the number of the supercharger bodies 13 is one, the supercharger bodies 13 are respectively communicated with the engine oil distribution block 6 and the diesel engine oil pan through pipelines, and the engine oil lubricates the supercharger bodies 13 and then flows back to the diesel engine oil pan;
when the number of the supercharger bodies 13 is two, one supercharger body 13 is the same as that of only one supercharger body 13, the supercharger body 13 is respectively communicated with the engine oil distribution block 6 and the diesel engine oil pan through a pipeline, the engine oil lubricates the supercharger body 13 and flows back to the diesel engine oil pan, the other supercharger body 13 is respectively communicated with the filter assembly and the diesel engine oil pan through a pipeline, and the filter head 7 in the filter assembly is directly led out, and is lubricated and then led to the diesel engine oil pan;
when the number of the supercharger bodies 13 is two, the throttling control lubricating system further comprises an electro-hydraulic bypass valve 14, the electro-hydraulic bypass valve 14 is respectively communicated with the engine oil distribution block 6 and the diesel engine oil pan through pipelines, and part of the engine oil can pass through the electro-hydraulic bypass valve 14 and is used for controlling the supercharging pressure and keeping the supercharging pressure stable.
As an alternative embodiment, a piston cooling nozzle opening valve 19 and a piston cooling nozzle control valve 20 are further provided on the line between the oil distribution block 6 and the piston cooling nozzle 12, and a constant flow rate of the piston cooling flow passing through the piston cooling nozzle opening valve 19 and the piston cooling nozzle control valve 20 can be achieved regardless of the engine speed.
As an alternative embodiment, a safety valve 16 is installed on the oil supply pipe 4, and the safety valve 16 can effectively control the oil flow in the oil supply pipe 4, so that the oil can be reasonably distributed, and the oil consumption can be reduced.
The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention, and the changes or substitutions should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (10)
1. A throttle control lubrication system comprising an oil pump assembly, a filter assembly, a supercharger assembly, an oil cooler (5), an oil distribution block (6), and a thermostat (17), wherein: the engine oil pump assembly is respectively communicated with an oil pan of a diesel engine and an oil supply pipe (4), the oil supply pipe (4) is respectively communicated with the engine oil cooler (5) and the thermostat (17), the engine oil cooler (5) and the thermostat (17) are respectively communicated with the engine oil distribution block (6) through pipelines, and the engine oil distribution block (6) is respectively communicated with the filter assembly, the supercharger assembly, the main oil duct (10) and the piston cooling nozzle (12) through pipelines.
2. The throttle control lubrication system according to claim 1, wherein: the oil pump assembly comprises a filter screen (1), an oil suction pipe (2), an oil pump (3) and a pressure reducing valve (15), one end of the oil suction pipe (2) is connected with the filter screen (1) and is positioned at the bottom of the oil pan of the diesel engine, the other end of the oil suction pipe (2) is communicated with the oil pump (3), the oil pump (3) is communicated with the oil supply pipe (4), and the pressure reducing valve (15) is installed on the oil pump (3).
3. The throttle control lubrication system according to claim 1, wherein: the filter assembly comprises two filter heads (7) and full-flow filters (8) which are connected, the two full-flow filters (8) are arranged side by side, and the engine oil distribution block (6) is communicated with each full-flow filter (8) through a drainage pipeline and a return pipeline.
4. The throttle control lubrication system according to claim 3, wherein: the filter assembly further comprises a filter bypass valve (18), the filter bypass valve (18) being arranged on the filter head (7).
5. The throttle control lubrication system according to claim 3, wherein: the filter assembly further comprises a bypass filter (9), the bypass filter (9) is connected to the filter head (7), and the bypass filter (9) is communicated with the oil sump of the diesel engine through a pipeline.
6. The throttle control lubrication system according to claim 1, wherein: the supercharger assembly comprises supercharger bodies (13), and the number of the supercharger bodies (13) is one or two.
7. The throttle control lubrication system of claim 6, wherein: the number of the supercharger bodies (13) is one, and the supercharger bodies (13) are communicated with the engine oil distribution block (6) and the diesel engine oil pan through pipelines respectively.
8. The throttle control lubrication system of claim 6, wherein: the number of the supercharger bodies (13) is two, one of the supercharger bodies is communicated with the engine oil distribution block (6) and the diesel engine oil pan through pipelines, the other supercharger body is communicated with the filter assembly and the diesel engine oil pan through pipelines, the supercharger further comprises an electro-hydraulic bypass valve (14), and the electro-hydraulic bypass valve (14) is communicated with the engine oil distribution block (6) and the diesel engine oil pan through pipelines.
9. The throttle control lubrication system according to claim 1, wherein: and a piston cooling nozzle opening valve (19) and a piston cooling nozzle control valve (20) are further arranged on a pipeline between the engine oil distribution block (6) and the piston cooling nozzle (12).
10. The throttle control lubrication system according to claim 1, wherein: and a safety valve (16) is arranged on the oil supply pipe (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110946492.3A CN113550808B (en) | 2021-08-18 | 2021-08-18 | Throttle control lubricating system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110946492.3A CN113550808B (en) | 2021-08-18 | 2021-08-18 | Throttle control lubricating system |
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| CN113550808A true CN113550808A (en) | 2021-10-26 |
| CN113550808B CN113550808B (en) | 2022-11-29 |
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| CN202110946492.3A Active CN113550808B (en) | 2021-08-18 | 2021-08-18 | Throttle control lubricating system |
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| US20050023200A1 (en) * | 2003-07-31 | 2005-02-03 | Atsushi Ueshima | Combined oil filter and oil cooler unit |
| JP2008280900A (en) * | 2007-05-09 | 2008-11-20 | Yanmar Co Ltd | Engine with supercharger |
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| CN113550808B (en) | 2022-11-29 |
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