CN203626913U - Engine oil system for high-power diesel engine - Google Patents
Engine oil system for high-power diesel engine Download PDFInfo
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- CN203626913U CN203626913U CN201320779924.7U CN201320779924U CN203626913U CN 203626913 U CN203626913 U CN 203626913U CN 201320779924 U CN201320779924 U CN 201320779924U CN 203626913 U CN203626913 U CN 203626913U
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Abstract
The utility model provides an engine oil system for a high-power diesel engine. The engine oil system comprises an engine oil pump, an engine oil priority valve , an engine oil centrifugal filter, a booster, a booster filter and a pressure regulating valve, wherein the engine oil pump is communicated with the engine oil centrifugal filter; the booster is communicated with the booster filter through the pressure regulating valve; an engine oil pump first oil outlet pipe on the engine oil pump is communicated with an engine oil priority valve main oil channel inlet on the engine oil priority valve; an engine oil pump second oil outlet pipe is communicated with an engine oil priority valve auxiliary oil channel inlet on the engine oil priority valve; an engine oil priority valve-cooling piston oil channel interface on the engine oil priority valve is communicated with a diesel engine cooling piston oil channel. By adopting the engine oil system, the self-filtering capability of engine oil in the diesel engine can be improved, the engine oil consumption of the system is lowered, and the pressure control of the entire engine oil system is more reliable. Moreover, the entire structure of the engine oil system is more reasonable and compact, and the power performance, economical efficiency, reliability and durability of the diesel engine are ensured.
Description
Technical field
The utility model relates to Diesel Engine Technique Field, especially relates to a kind of lubricating oil system of high-power diesel engine.
Background technique
The lubricating oil system of diesel engine is the important component part of diesel engine, lubricating oil system plays lubricated, heat conduction, cleaning, sealing, rust inhibition to the component of diesel engine, make the moving cell of diesel engine obtain lubricated fully, thereby minimizing frictional loss, alleviate parts wear, to guarantee power character, Economy, reliability and the durability of diesel engine.
Existing diesel engine oil system is mainly made up of oil pump and the assembling of turnover oil pipe, machine oil centrifugal oil purifier, pressurized machine filter cleaner, safety valve, gear lubrication piping, left and right pressurized machine lubricant pipe assembly, pressure regulator valve and machine oil pipeline etc.The concrete layout of its system is as follows: (1) oil pump is a constant volume gear-type oil pump, is driven by diesel engine crankshaft gear, is installed on the free end plate of diesel engine oil pan neutral position, as the power plant of whole lubricating oil system; (2) machine oil centrifugal oil purifier arranges two, is arranged on side by side the crankcase peep hole position of the forward end in diesel engine the right; (3) one, safety valve, is arranged on the free end plate upper left quarter of oil sump; (4) lubricating pipe of the pitman arm shaft in diesel engine cylinder cover and injection cam designs at engine body exterior; (5) diesel engine cooling piston oil duct is arranged in the left and right sides in body, the machine oil that enters left side cooling piston oil duct goes lubrication and cooling left column piston and cylinder liner, the machine oil that enters right side cooling piston oil duct goes the right row piston of lubrication and cooling and cylinder liner, and the machine oil having lubricated enters oil sump; (6) pressurized machine filter cleaner is two, is arranged in connecting box both sides, and one end of every pressurized machine filter cleaner connects diesel engine main oil gallery end, and the other end enters pressurized machine after connecting pressure regulator valve.Because machine oil centrifugal oil purifier only has two, poor from filtering ability to whole lubricating oil system; Safety valve is a kind of safety valve of cracking pressure value working method, is unfavorable for that diesel engine reduces consumption of lubricating oil; Because the lubricating pipe of the pitman arm shaft in cylinder cap and injection cam designs at engine body exterior, make diesel engine lubricating oil system architecture dispersion, not compact, take space outerpace; In addition, the filter precision of pressurized machine filter cleaner is wherein 25 microns, is also unfavorable for the lubricated of pressurized machine, the working life of having reduced pressurized machine.
Model utility content
The technical problems to be solved in the utility model is: the problem existing for prior art, a kind of lubricating oil system of high-power diesel engine is provided, improve lubricating oil system from filtering ability, reduce the consumption of lubricating oil of diesel engine, and the system pressure control of lubricating oil system is more reliable, more compact structure.
The technical problems to be solved in the utility model realizes by the following technical solutions: a kind of lubricating oil system of high-power diesel engine, comprise oil pump, machine oil pressure-gradient control valve, machine oil centrifugal oil purifier, pressurized machine and pressurized machine filter cleaner and pressure regulator valve, oil pump is connected and communicates with machine oil centrifugal oil purifier by oil pump the 3rd oil outlet tube, pressurized machine is connected and communicates with pressurized machine filter cleaner by pressure regulator valve, oil pump the first oil outlet tube in oil pump is connected and communicates with the machine oil pressure-gradient control valve main oil gallery entrance on machine oil pressure-gradient control valve, and communicate by machine oil pressure-gradient control valve to the main lubricating oil duct of main oil gallery interface and body, oil pump the second oil outlet tube in oil pump is connected and communicates with the machine oil pressure-gradient control valve auxiliary oil channel entrance on machine oil pressure-gradient control valve, and communicate with diesel engine oil pan by machine oil pressure-gradient control valve to oil pan of diesel engine body interface, machine oil pressure-gradient control valve on machine oil pressure-gradient control valve to cooling piston oil duct interface is connected and communicates with diesel engine cooling piston oil duct.
Further, described machine oil pressure-gradient control valve is mounted in diesel-engine body front end upper right quarter.
Further, the main lubricating oil duct of described body is arranged in middle upper portion in diesel-engine body, and be provided with three tunnel branches, one tunnel branch enters left camshaft lubrication oil duct through the left gusset of diesel-engine body hole, one tunnel branch enters right camshaft lubrication oil duct through diesel-engine body right web plate hole, and road branch stud plate hole under diesel-engine body enters crankshaft lubrication oil duct.
Further, described diesel engine cooling piston oil duct is arranged on the left and right sides in diesel-engine body, and is connected and communicates with left cooling piston oil leab, right cooling piston oil leab respectively.
Further, described oil pump is constant volume gear-type oil pump, is installed on the free end plate of diesel engine oil pan neutral position.
Further, described machine oil centrifugal oil purifier is provided with three, is arranged on side by side the crankcase peep hole position of the forward end in diesel-engine body the right, and is all connected and communicates with oil pump the 3rd oil outlet tube.
Further, described machine oil centrifugal oil purifier is that flow is the machine oil centrifugal oil purifier of 35 liters/min.
Further, described pressurized machine arranges two, be divided into the first pressurized machine and the second pressurized machine, the first pressurized machine is wherein connected and communicates with the first pressurized machine filter cleaner by the first pressure regulator valve, and the second pressurized machine is connected and communicates with the second pressurized machine filter cleaner by the second pressure regulator valve.
Further, the first described pressurized machine filter cleaner and the second pressurized machine filter cleaner are all that filter precision is the pressurized machine filter cleaner of 20 microns, one end of every pressurized machine filter cleaner is all connected and communicates with the main lubricating oil duct end of body, and the other end is connected and communicates with corresponding pressurized machine by corresponding pressure regulator valve respectively.
Further, described lubricating oil system also comprises lubricating oil heat exchanger and oil filter, and oil pump the first oil outlet tube in oil pump is connected and communicates successively with lubricating oil heat exchanger, oil filter, machine oil pressure-gradient control valve main oil gallery entrance.
Compared with prior art, the beneficial effects of the utility model are: the pressure control that can reduce System Computer oil consumption and whole lubricating oil system while making diesel engine low speed by employing machine oil pressure-gradient control valve is more reliable; By pressurized machine filter cleaner improve diesel engine lubricating oil from filtering ability, thereby improve the operating life of pressurized machine, reduce pressurized machine input cost; By the layout of the design of rational piping layout and key components and parts, reduce the exterior line of lubricating oil system as far as possible, make the overall structure of lubricating oil system more reasonable, compact, be conducive to alleviate the overall weight of lubricating oil system.It is lubricated fully that lubricating oil system of the present utility model can obtain diesel engine moving cell, reduce the frictional loss of moving cell, improve operating life and the reliability of parts and components of diesel engine, thereby can guarantee power character, Economy, reliability and the durability of diesel engine.
Accompanying drawing explanation
Fig. 1 is the System Construction figure of the lubricating oil system of a kind of high-power diesel engine of the utility model.
Fig. 2 is the structure sectional view of machine oil pressure-gradient control valve in Fig. 1.
Fig. 3 is the internal lubrication oil duct layout chart of diesel engine oil system.
Mark in figure: 1-oil pump, 2-oil feeding pipe of oil pump, 3-oil pump the first oil outlet tube, 4-lubricating oil heat exchanger, 5-oil filter, 6-oil pump the second oil outlet tube, 7-oil pump the 3rd oil outlet tube, 8-machine oil pressure-gradient control valve, 9-machine oil centrifugal oil purifier, the left pressurized machine lubricant pipe of 10-assembly, 11-the first pressurized machine filter cleaner, 12-the first pressure regulator valve, 13-the first pressurized machine, 14-the second pressurized machine, 15-the second pressurized machine filter cleaner, the right pressurized machine lubricant pipe of 16-assembly, 17-diesel-engine body, the main lubricating oil duct of 18-body, 19-gear lubrication piping, 20-machine oil pressure-gradient control valve main oil gallery entrance, 21-machine oil pressure-gradient control valve auxiliary oil channel entrance, the left camshaft lubrication oil duct of 22-, the left cooling piston oil leab of 23-, 24-crankshaft lubrication oil duct, the right cooling piston oil leab of 25-, the right camshaft lubrication oil duct of 26-, 27-the second pressure regulator valve, 28-machine oil pressure-gradient control valve is to main oil gallery interface, 29-machine oil pressure-gradient control valve is to cooling piston oil duct interface, 30-first piston, 31-machine oil pressure-gradient control valve is to oil pan of diesel engine body interface, 32-the first spring, 33-the second piston, 34-the second spring.
Embodiment
In order to make the purpose of this utility model, technological scheme and advantage clearer, below in conjunction with the drawings and specific embodiments, the utility model is elaborated.Should be appreciated that specific embodiment described herein is only in order to explain the utility model, and be not used in restriction the utility model.
The lubricating oil system of a kind of high-power diesel engine as shown in Figure 1, mainly formed by oil pump 1, lubricating oil heat exchanger 4, oil filter 5, machine oil pressure-gradient control valve 8, machine oil centrifugal oil purifier 9, pressurized machine and pressurized machine filter cleaner and pressure regulator valve, pressurized machine wherein arranges two, is divided into the first pressurized machine 13 and the second pressurized machine 14.Described pressurized machine filter cleaner is provided with two, respectively the first pressurized machine filter cleaner 11 and the second pressurized machine filter cleaner 15, one end of every pressurized machine filter cleaner is all connected and communicates with main lubricating oil duct 18 ends of body, and the other end is connected and communicates with corresponding pressurized machine by corresponding pressure regulator valve respectively.Described pressure regulator valve is also provided with two, be divided into the first pressure regulator valve 12 and the second pressure regulator valve 27, and the first pressurized machine 13 is connected and communicates with the first pressurized machine filter cleaner 11 by the first pressure regulator valve 12, the second pressurized machine 14 is connected and communicates with the second pressurized machine filter cleaner 15 by the second pressure regulator valve 27.Described oil pump 1 is installed on the free end plate of diesel engine oil pan neutral position, it is connected and communicates with machine oil centrifugal oil purifier 9 by oil pump the 3rd oil outlet tube 7, described machine oil centrifugal oil purifier 9 is provided with three, be arranged on side by side the crankcase peep hole position of the diesel-engine body 17 forward ends in the right, and be all connected and communicate with oil pump the 3rd oil outlet tube 7.Oil pump the first oil outlet tube 3 in described oil pump 1 is connected and communicates successively with lubricating oil heat exchanger 4, oil filter 5, machine oil pressure-gradient control valve main oil gallery entrance 20.Described machine oil pressure-gradient control valve 8 is one, be arranged on diesel-engine body 17 front end upper right quarters, it is connected and communicates to the main lubricating oil duct 18 of main oil gallery interface 28 and body by machine oil pressure-gradient control valve, oil pump the second oil outlet tube 6 in oil pump 1 is connected and communicates with the machine oil pressure-gradient control valve auxiliary oil channel entrance 21 on machine oil pressure-gradient control valve 8, and communicates with diesel engine oil pan by machine oil pressure-gradient control valve to oil pan of diesel engine body interface 31; Machine oil pressure-gradient control valve on machine oil pressure-gradient control valve 8 to 29, cooling piston oil duct interface is connected and communicates with diesel engine cooling piston oil duct.
Described diesel engine cooling piston oil duct is arranged on the interior left and right sides of diesel-engine body 17, and is connected and communicates with left cooling piston oil leab 23, right cooling piston oil leab 25 respectively.Therefore, the machine oil that enters left cooling piston oil leab 23 can lubrication and cooling left column piston and cylinder liner, and the machine oil that enters right cooling piston oil leab 25 can go the right row piston of lubrication and cooling and cylinder liner, and the machine oil having lubricated enters oil sump; The cylinder sleeve of left and right two row of lubrication and cooling, the oil duct circuit design of piston ring are in diesel-engine body 17, such structural configuration can reduce the exterior line of lubricating oil system, make the structure of lubricating oil system more reasonable, compact, but also alleviated the overall weight of lubricating oil system.
As shown in Figure 1, Figure 3, the main lubricating oil duct 18 of body of diesel engine is arranged in the interior middle upper portion of diesel-engine body 17, the main lubricating oil duct 18 of this body is provided with three tunnel branches, one tunnel branch enters left camshaft lubrication oil duct 22 through the left gusset of diesel-engine body 17 hole, be lubricated with the left camshaft bearing to diesel engine and left inlet and outlet cam and injection cam, flow into oil sump after then entering left column cylinder head lubricating pitman arm shaft and seat; One tunnel branch enters right camshaft lubrication oil duct 26 through diesel-engine body 17 right web plate holes, so that right camshaft bearing and right inlet and outlet cam and injection cam are lubricated, flows into oil sump after then entering right row cylinder head lubricating pitman arm shaft and seat; Also have road branch stud plate hole under diesel-engine body 17 to enter crankshaft lubrication oil duct 24, so that crankshaft bearing is lubricated, then also flow into oil sump.The circuit design of left column cylinder head pitman arm shaft wherein and seat is in diesel-engine body 17, the pipeline of right row cylinder head pitman arm shaft and seat also designs in diesel-engine body 17 inside, adopt this arrangement can reduce the exterior line of lubricating oil system, make the structure of lubricating oil system more reasonable, compact, be conducive to alleviate the overall weight of lubricating oil system.
The working procedure of the lubricating oil system of a kind of high-power diesel engine of said structure is as follows, lubricant oil from diesel-engine body 17 enters oil feeding pipe of oil pump 2 through the inlet port of oil pump 1 bottom, export respectively through oil pump 1 Hou Fen tri-tunnels of pressurizeing, wherein a road outputs to lubricating oil heat exchanger 4 from oil pump the first oil outlet tube 3, then the oil filter of flowing through 5 outputs to machine oil pressure-gradient control valve 8, an other road directly outputs to machine oil pressure-gradient control valve 8 from oil pump the second oil outlet tube 6, also have a road to output to respectively three machine oil centrifugal oil purifiers 9 of installation arranged side by side from oil pump the 3rd oil outlet tube 7, finally all flow back to diesel-engine body 17 from machine oil centrifugal oil purifier 9.The structure of machine oil pressure-gradient control valve 8 wherein as shown in Figure 2, mainly comprises first piston 30 and the first spring 32 being attached thereto and the second piston 33 and the second spring 34 being attached thereto.First piston 30 wherein, the second piston 33 can move right under the pressure-acting of lubricant oil that enters into machine oil pressure-gradient control valve 8, and make corresponding the first spring 32, the second spring 34 produce resiliently deformable, meanwhile, the first spring 32, the second spring 34 are because the reply of resiliently deformable also can drive first piston 30, the second piston 33 to left movement.Therefore, the actual motion direction of first piston 30, the second piston 33 just depends on the actual pressure size of the lubricant oil that enters into machine oil pressure-gradient control valve main oil gallery entrance 20 and machine oil pressure-gradient control valve auxiliary oil channel entrance 21.According to the difference of actual pressure, machine oil pressure-gradient control valve 8 can have three kinds of working methods corresponding from different range of pressure values, and these three kinds of working methods are corresponding respectively: the first, and only organic oil pressure-gradient control valve 8 is to the passage conducting of the main lubricating oil duct 18 of body; The second, machine oil pressure-gradient control valve 8 is to the main lubricating oil duct 18 of body with to the conducting simultaneously of the passage of cooling piston oil duct; The 3rd, machine oil pressure-gradient control valve 8 is to the main lubricating oil duct 18 of body, to cooling piston oil duct with to the conducting simultaneously of the passage of diesel-engine body 17 oil sumps.Adopt the machine oil pressure-gradient control valve 8 of this structure and working method in the time of diesel engine low cruise, can reduce the consumption of machine oil, be conducive to machine oil saving cost.Enter gear lubrication piping 19 to meet the lubricated needs of gear from a machine oil part for machine oil pressure-gradient control valve 8 outlet end outputs, other major parts enter in the main lubricating oil duct 18 of body, then pass through left pressurized machine lubricant pipe assembly 10, finally output in the first pressurized machine 13, pass through right pressurized machine lubricant pipe assembly 16 simultaneously, finally output in the second pressurized machine 14.
Oil pump 1 in the utility model adopts a constant volume gear-type oil pump, is driven, as the power plant of whole lubricating oil system by diesel engine crankshaft gear; Machine oil centrifugal oil purifier 9 wherein arranges three, and machine oil centrifugal oil purifier 9 flows are 35 liters/min, with improve diesel engine lubricating oil from filtering ability, make the quality of lubrication oil of parts and components of diesel engine higher; Pressurized machine filter cleaner wherein arranges two, respectively the first pressurized machine filter cleaner 11 and the second pressurized machine filter cleaner 15, and its filter precision is 20 microns, to improve the filter precision of the first pressurized machine 13 and the second pressurized machine 14 lubricant oil, and then the operating life of raising pressurized machine, the user cost of reduction pressurized machine.
Owing to adopting above-mentioned technological scheme, the utility model can reduce System Computer oil consumption can make diesel engine low speed by machine oil pressure-gradient control valve 8 time, and the pressure control of whole lubricating oil system is more reliable, simultaneously, it is lubricated fully that lubricating oil system of the present utility model also makes diesel engine moving cell obtain, reduce the frictional loss of moving cell, operating life and the reliability of parts and components of diesel engine are improved, further promote and changed the cycle of diesel engine lubricating oil, thereby can guarantee power character, Economy, reliability and the durability of diesel engine.Adopt following parameter to assess, the expense of machine oil saving is calculated as follows: setting machine oil price m is 34.5 yuan/kilogram, diesel engine power Ne is 3800kW, machine oil saving ge is 0.05g/kW.h, annual operating time n is 350 days/year, operating time every day B is 21 hours/day, and diesel load rate V is 75%, and this diesel engine moves the expense that can save for 1 year and is:
B*V*Ne*ge*n*m/1000=21*75%*3800*0.05*350*34.5/1000=36.3 ten thousand (unit), " * " wherein represents to multiply each other.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; it should be pointed out that all any modifications of doing within spirit of the present utility model and principle, be equal to replacement and improvement etc., within all should being included in protection domain of the present utility model.
Claims (10)
1. the lubricating oil system of a high-power diesel engine, comprise oil pump (1), machine oil centrifugal oil purifier (9), pressurized machine and pressurized machine filter cleaner and pressure regulator valve, oil pump (1) is connected and communicates with machine oil centrifugal oil purifier (9) by oil pump the 3rd oil outlet tube (7), pressurized machine is connected and communicates with pressurized machine filter cleaner by pressure regulator valve, it is characterized in that: also comprise machine oil pressure-gradient control valve (8), oil pump the first oil outlet tube (3) in oil pump (1) is connected and communicates with the machine oil pressure-gradient control valve main oil gallery entrance (20) on machine oil pressure-gradient control valve (8), and communicate with the main lubricating oil duct of body (18) by machine oil pressure-gradient control valve to main oil gallery interface (28), oil pump the second oil outlet tube (6) in oil pump (1) is connected and communicates with the machine oil pressure-gradient control valve auxiliary oil channel entrance (21) on machine oil pressure-gradient control valve (8), and communicate with diesel engine oil pan by machine oil pressure-gradient control valve to oil pan of diesel engine body interface (31), machine oil pressure-gradient control valve on machine oil pressure-gradient control valve (8) to cooling piston oil duct interface (29) is connected and communicates with diesel engine cooling piston oil duct.
2. the lubricating oil system of a kind of high-power diesel engine according to claim 1, is characterized in that: described machine oil pressure-gradient control valve (8) is arranged on diesel-engine body (17) front end upper right quarter.
3. the lubricating oil system of a kind of high-power diesel engine according to claim 1, it is characterized in that: the main lubricating oil duct of described body (18) is arranged in the interior middle upper portion of diesel-engine body (17), and be provided with three tunnel branches, one tunnel branch enters left camshaft lubrication oil duct (22) through the left gusset of diesel-engine body (17) hole, one tunnel branch enters right camshaft lubrication oil duct (26) through diesel-engine body (17) right web plate hole, and road branch stud plate hole under diesel-engine body (17) enters crankshaft lubrication oil duct (24).
4. the lubricating oil system of a kind of high-power diesel engine according to claim 1, it is characterized in that: described diesel engine cooling piston oil duct is arranged on the interior left and right sides of diesel-engine body (17), and be connected and communicate with left cooling piston oil leab (23), right cooling piston oil leab (25) respectively.
5. according to the lubricating oil system of a kind of high-power diesel engine described in claim 1-4 any one, it is characterized in that: described oil pump (1) is constant volume gear-type oil pump, is installed on the free end plate of diesel engine oil pan neutral position.
6. according to the lubricating oil system of a kind of high-power diesel engine described in claim 1-4 any one, it is characterized in that: described machine oil centrifugal oil purifier (9) is provided with three, be arranged on side by side the crankcase peep hole position of the forward end in diesel-engine body (17) the right, and be all connected and communicate with oil pump the 3rd oil outlet tube (7).
7. the lubricating oil system of a kind of high-power diesel engine according to claim 6, is characterized in that: described machine oil centrifugal oil purifier (9) is that flow is the machine oil centrifugal oil purifier of 35 liters/min.
8. according to the lubricating oil system of a kind of high-power diesel engine described in claim 1-4 any one, it is characterized in that: described pressurized machine arranges two, be divided into the first pressurized machine (13) and the second pressurized machine (14), the first pressurized machine (13) is wherein connected and communicates with the first pressurized machine filter cleaner (11) by the first pressure regulator valve (12), and the second pressurized machine (14) is connected and communicates with the second pressurized machine filter cleaner (15) by the second pressure regulator valve (27).
9. the lubricating oil system of a kind of high-power diesel engine according to claim 8, it is characterized in that: the first described pressurized machine filter cleaner (11) and the second pressurized machine filter cleaner (15) are all that filter precision is the pressurized machine filter cleaner of 20 microns, one end of every pressurized machine filter cleaner is all connected and communicates with the main lubricating oil duct of body (18) end, and the other end is connected and communicates with corresponding pressurized machine by corresponding pressure regulator valve respectively.
10. according to the lubricating oil system of a kind of high-power diesel engine described in claim 1-4 any one, it is characterized in that: described lubricating oil system also comprises lubricating oil heat exchanger (4) and oil filter (5), and oil pump the first oil outlet tube (3) in oil pump (1) is connected and communicates successively with lubricating oil heat exchanger (4), oil filter (5), machine oil pressure-gradient control valve main oil gallery entrance (20).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320779924.7U CN203626913U (en) | 2013-11-29 | 2013-11-29 | Engine oil system for high-power diesel engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320779924.7U CN203626913U (en) | 2013-11-29 | 2013-11-29 | Engine oil system for high-power diesel engine |
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| Publication Number | Publication Date |
|---|---|
| CN203626913U true CN203626913U (en) | 2014-06-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320779924.7U Withdrawn - After Issue CN203626913U (en) | 2013-11-29 | 2013-11-29 | Engine oil system for high-power diesel engine |
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| Country | Link |
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| CN (1) | CN203626913U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103670580A (en) * | 2013-11-29 | 2014-03-26 | 南车玉柴四川发动机股份有限公司 | Engine oil system of high-power diesel engine |
| CN103867257B (en) * | 2014-02-28 | 2016-01-06 | 南车玉柴四川发动机股份有限公司 | A kind of pressure-gradient control valve reducing medium speed diesel oil consumption |
| CN109790767A (en) * | 2016-09-27 | 2019-05-21 | 本田技研工业株式会社 | The lubricating structure of internal combustion engine |
-
2013
- 2013-11-29 CN CN201320779924.7U patent/CN203626913U/en not_active Withdrawn - After Issue
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103670580A (en) * | 2013-11-29 | 2014-03-26 | 南车玉柴四川发动机股份有限公司 | Engine oil system of high-power diesel engine |
| CN103670580B (en) * | 2013-11-29 | 2015-09-16 | 南车玉柴四川发动机股份有限公司 | A kind of lubricating oil system of high-power diesel engine |
| CN103867257B (en) * | 2014-02-28 | 2016-01-06 | 南车玉柴四川发动机股份有限公司 | A kind of pressure-gradient control valve reducing medium speed diesel oil consumption |
| CN109790767A (en) * | 2016-09-27 | 2019-05-21 | 本田技研工业株式会社 | The lubricating structure of internal combustion engine |
| CN109790767B (en) * | 2016-09-27 | 2021-02-09 | 本田技研工业株式会社 | Lubricating structure for internal combustion engine |
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Granted publication date: 20140604 Effective date of abandoning: 20150916 |
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