CN101660436A - Inclination-resistant oil sump for engine - Google Patents
Inclination-resistant oil sump for engine Download PDFInfo
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- CN101660436A CN101660436A CN 200910057960 CN200910057960A CN101660436A CN 101660436 A CN101660436 A CN 101660436A CN 200910057960 CN200910057960 CN 200910057960 CN 200910057960 A CN200910057960 A CN 200910057960A CN 101660436 A CN101660436 A CN 101660436A
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Abstract
The invention discloses an inclination-resistant oil sump for an engine, which is arranged on the lower part of the engine and comprises an oil sump body, an oil absorbing pipe module, an oil storagechamber, a deep oil storage chamber, a shallow oil storage chamber, an oil pumping pipe module and an oil pump module, wherein the deep oil storage chamber and the shallow oil storage chamber are arranged on the oil sump body; two oil storage chambers are arranged along the length direction of the oil sump at certain distance, the shallow oil storage chamber is an oil pumping cavity, the deep oilstorage chamber is an oil absorbing cavity which is internally provided with an oil absorbing pipe module, and the oil absorbing pipe module is communicated with an oil pump of the engine and conveysengine oil to the oil pump; the oil pumping module is arranged in the oil pumping cavity; and the oil pump module, two ends of which are connected with the oil pumping cavity and the oil absorbing cavity, conveys the engine oil in the oil pumping cavity to the oil absorbing cavity. The invention can ensure that a lubrication system reliably works under the condition of high inclination of the engine, obviously reduce the height size of the oil sump of the engine and has compact structure and convenient arrangement.
Description
Technical field
The present invention relates to the engine oil drain pan, the engine oil drain pan under the working environment of especially big angle of inclination.
Background technique
In engine art, the oil sump of storing, collect engine motor oil is called oil sump, it is under the prerequisite that satisfies requirements such as engine oil capacity, arrangement space, should guarantee that motor is in various inclinations, waves under the operating mode, the reliable oil suction of oil pump, the machine oil liquid level of inlet port can not being emerged is forbidden to suck air, otherwise will be caused damage to the engine driving system noise.At present, general basic pattern with oil sump is divided into dry type and wet type.Dry sump comprises bottom oil sump body and the outer fuel reserve tank of machine that contains connecting rod and crankshaft balance weight space, bottom oil sump body is not stored machine oil and is used, machine oil is stored in the outer fuel reserve tank of machine, and the outer fuel reserve tank of machine is made Any shape near can being installed in motor Anywhere and according to spatial condition.The machine oil of bottom oil sump body being collected by the oil pump of continuous running is drawn into the outer fuel reserve tank of machine, and the outer fuel reserve tank of oil pump slave is drawn machine oil provides enough pressure for lubrication system machine oil.The outer fuel reserve tank of the direct slave of oil pump is drawn machine oil, has increased the anti-tilt capability of oil sump greatly, and bottom oil sump body need not considered anti-inclination requirement, and little, the designs simplification of size can effectively reduce the overall height of motor.But dry sump needs the oil pump and the oil well pump of running continuously, and the big and pipeline of power consumption increases, equipment and arrange extremely complicated.
Wet sump saves machine externally mounted fuel tank, the oil scavenge pump of dry sump, and oil pump is directly drawn machine oil from bottom oil sump accumulator, so accumulator need be stored enough machine oil bottom the oil sump, and should satisfy motor reliably oil suction under the condition of big angle of inclination.Therefore, for the anti-occasion that tilts to have relatively high expectations, as marine engine, its maximum inclination angle reaches 20 degree even 30 degree, and it is darker that this just makes that the oil sump accumulator must design, and the oil sump body height is big, complex structure.For reducing the height of oil sump, reduce size, everybody has adopted methods such as increase dividing plate, as publication number be CN101294506A patent disclosure a kind of I. C. engine oil drain pan, this I. C. engine oil drain pan is positioned at the bottom of internal-combustion engine and has the different a plurality of bottoms of the degree of depth, baffle plate the degree of depth differ from one another and continuous bottom between boundary vicinity separate, between bottom space, move mutually to suppress oil.This structure can guarantee to rock back and forth when vehicle is advanced, when particularly slowing down, when also being the oil sump inclination, be unlikely making inlet port be exposed to the outside and the suction air in oil, and this requires to have better effect to the anti-inclination that improves oil sump.But above-mentioned invention only depends on the method that increases baffle plate still to be difficult to solve the engine operation integrity problem of big tilt condition, under marine condition, tilts, waves the functional reliability problem under the condition at up 30 degree.Therefore, still need to solve reliable fuel feeding problem by the way that increases the oil sump height.
Summary of the invention
The object of the present invention is to provide a kind of engine oil drain pan, reduce the height dimension of engine sump tank, guarantee reliably working under the operating mode of the big angle of inclination of motor, reduce the lubrication system energy consumption simultaneously, improve the layout environment of motor.
The objective of the invention is to solve by following technological scheme:
A kind of inclination-resistant oil sump for engine, this engine oil drain pan is arranged in the bottom of motor, and comprises oil sump body, fuel sucking pipe assembly, accumulator, it is characterized in that: it also comprises and is arranged in dark one shallow two accumulators of one on the oil sump body; Described two accumulators are arranged along the oil sump length direction, keep at a certain distance away, and shallow accumulator is the oil pumping chamber, and dark accumulator is an oil sucting cavity, is furnished with the fuel sucking pipe assembly in the oil sucting cavity, and the fuel sucking pipe assembly is communicated with engine oil pump, and carries machine oil to it; It also comprises an oil pick-up tube assembly, and the oil pick-up tube arrangement of components is in the oil pumping chamber; It comprises that also two ends connect the oil well pump assembly of oil pumping chamber and oil sucting cavity, and will the pump oil pump in chamber of oil well pump assembly is delivered to oil sucting cavity.
Above-mentioned inclination-resistant oil sump for engine, it also comprises an oil sump angle of bank measurement device and oil well pump control gear, oil sump angle of bank measurement device is measured the angle of inclination of oil sump automatically, and feed back to the oil well pump control gear, the oil well pump control gear is controlled oil well pump work automatically according to the angle of inclination, the oil delivery in oil pumping chamber is arrived oil sucting cavity, prevent that the fuel sucking pipe assembly from sucking air.
Above-mentioned inclination-resistant oil sump for engine, it also comprises an engine oil level measuring device and oil well pump control gear, the engine oil level measuring device is arranged near the fuel sucking pipe assembly, be used to monitor near the engine oil level of inlet port, and with the engine oil level signal feed back to the oil well pump control gear, the oil well pump control gear is controlled oil well pump work automatically according to engine oil level, and the oil delivery in oil pumping chamber to oil sucting cavity, is prevented that the fuel sucking pipe assembly from sucking air.
Above-mentioned inclination-resistant oil sump for engine, at described oil sucting cavity, around described fuel sucking pipe assembly inlet port, be furnished with along the protruding upward and oil baffle that have certain altitude in oil sump bottom, leave certain clearance between each oil baffle, as the machine oil runner.
Above-mentioned inclination-resistant oil sump for engine, described oil pick-up tube assembly comprises oil pick-up tube interface, oil pick-up tube, joint, described oil pick-up tube links to each other with the oil sump body by joint, the oil pick-up tube horizontal arrangement, its end sealing, and having a microscler groove in the bottom, i.e. oil pumping mouthful is as the machine oil import.
Above-mentioned inclination-resistant oil sump for engine, described fuel sucking pipe assembly comprises downward opening a shape structure inlet port, and the fuel sucking pipe that links to each other with oil transportation mouth on inlet port, the oil sump body respectively of two ends, inlet port is arranged in the bottommost of oil sucting cavity.
Above-mentioned inclination-resistant oil sump for engine is furnished with a filter screen at described inlet port place.
In a word, the invention has the beneficial effects as follows:
The present invention adopts two accumulators, be shallow grease chamber and dark grease chamber, adopt an oil well pump assembly UNICOM from the oil pumping chamber to oil sucting cavity, to pump the oil delivery in chamber to oil sucting cavity continuously or according to oil sump angle of inclination or the automatic control of machine oil liquid level height, guarantee that oil sucting cavity is under the maximum inclination angle, enough machine oil liquid levels are also arranged, prevent that inlet port from being inhaled sky.This structure can reduce the design height of oil sump greatly, simplifies and arranges, improves the engine oil supplying reliability of motor under big inclination environmental conditions.This reduces the height of engine sump tank for the reliability of peculiar to vessel, the mountain area vehicular engine that improves work under bad environment, and optimal design has significant advantage.In addition, oil baffle can also prevent machine oil liquid level rapid fluctuations, prevents the effect that machine oil bubbles.
Description of drawings
Fig. 1 is the plan view of inclination-resistant oil sump for engine of the present invention;
Fig. 2 is the plan view of inclination-resistant oil sump for engine of the present invention, and analyse and observe the part;
Fig. 3 is the sectional view along the P1-P1 line of Fig. 1;
Fig. 4 is the sectional view along the P2-P2 line of Fig. 1.
Wherein:
1. oil pick-up tube assembly, 1a. oil pick-up tube interface, the 1b. joint, the 1c. oil pick-up tube, 1d. pumps mouthful;
2. oil pumping chamber, 2a. oil pumping chamber interface, the shallow grease chamber of 2b., 2c. fuel outlet;
3. oil sump body;
4. fuel sucking pipe assembly, 4a. joint, 4b. fuel sucking pipe, 4c. inlet port, 4d. filter screen;
5. oil baffle before the oil baffle, 5a., 5b. left side oil baffle, oil baffle behind the 5c., the right oil baffle of 5d.;
6. oil sucting cavity, the dark grease chamber of 6a., 6b. drain tap, 6c. filler opening;
7. support;
8. oil transportation mouth.
Embodiment
The present invention is further described below in conjunction with accompanying drawing.
Fig. 1 is extremely shown in Figure 4 to be the specific embodiment of inclination-resistant oil sump for engine of the present invention, this oil sump is arranged in the bottom of motor, it can be reversely hung Yong, be applicable to internal-combustion engine, Stirling engine, be specially adapted in operating conditions abominable, especially big inclination, wave the engine application field under the condition, as mountain area vehicular engine, marine engine.The present invention includes oil sump body 3, oil pick-up tube assembly 1, fuel sucking pipe assembly 4, and by oil sump body 3 local dents the go down shallow 2b of grease chamber that forms and dark two accumulators of the 6a of grease chamber, described oil sump body 3 along engine shaft to being elongate structure, two accumulators are arranged near the two ends of oil sump, keep at a certain distance away, the shallow 2b of grease chamber is furnished with oil pick-up tube assembly 1, so claim oil pumping chamber 2 again; The dark 6a of grease chamber is furnished with fuel sucking pipe 4b assembly 4, claims oil sucting cavity 6 again.The size and shape of oil pumping chamber 2 and oil sucting cavity 6 is determined according to combined factors such as the anti-inclination requirement of oil sump, arrangement space, oil well pump open frequency.The volume of general oil sucting cavity 6 is greater than the volume in oil pumping chamber 2, and the degree of depth of oil sucting cavity 6 is greater than the degree of depth in oil pumping chamber 2, common ground, and the degree of depth of oil sucting cavity 6 is more than 2 times of oil pumping chamber 2 degree of depth.
Oil pick-up tube assembly 1 is arranged in oil pumping chamber 2, it is made up of oil pick-up tube interface 1a, oil pick-up tube 1c, oil pumping mouthful 1d, joint 1b etc., have oil outlet on the corresponding oil sump body 3, be provided with oil pumping chamber interface 2a, oil pick-up tube 1c is connected with oil pumping chamber interface 2a on the oil sump body 3 by joint 1b, oil pick-up tube interface 1a, and oil pick-up tube 1c horizontal arrangement is in 2 bottoms, chamber of pumping, its endcapped, have a microscler groove in its underpart, be called oil pumping mouthful 1d, be used for from the oil suction of shallow grease chamber.The oil pumping mouth 1d of this structure even under oil sump inclination situation, also can be drawn onto machine oil from oil pumping chamber 2 easily, and simple in structure, easy to process.Certainly directly drawing a pipeline from oil pumping 2 bottoms, chamber also is fine as oil pick-up tube 1c.
At oil sucting cavity 6, be furnished with fuel sucking pipe assembly 4, itself and the main oil gallery UNICOM that is arranged on the oil sump body 3, the oil pump of motor is drawn machine oil by fuel sucking pipe assembly 4 from oil sucting cavity 6, be transported to main oil gallery by the oil transportation mouth 8 on the oil sump body 3, after the oil pump supercharging, be transported to the engine lubrication position again.Fuel sucking pipe assembly 4 is made up of joint 4a, fuel sucking pipe 4b, inlet port 4c, filter screen 4d etc.; fuel sucking pipe 4b one end is connected with oil transportation mouth 8 on the oil sump by joint 4a; the other end is connected with inlet port 4c; inlet port 4c is downward opening a shape structure; also being provided with a filter screen 4d in the bottom of inlet port 4c filters machine oil; prevent that impurity from entering main oil gallery, guarantee to suck clean machine oil, protection oil pump and motor.Be reliable oil suction, inlet port 4c is arranged in oil sucting cavity 6 bottoms as far as possible.Fuel sucking pipe assembly 4 is also fixed by support 7 and oil sump body 3.
On oil sump body 3,, be provided with oil pumping chamber interface 2a, on oil sump body 3,, be provided with filler opening 6c near oil sucting cavity 6 near oil pumping chamber 2.Between the filler opening 6c of oil pumping oil pumping chamber interface 2a in chamber 2 and oil sucting cavity 6, also be provided with an oil well pump group assembly (not shown), and be connected with oil sucting cavity 6 with the chamber 2 of pumping by pipeline.Oil well pump constantly is transported to oil sucting cavity 6 by will the pump machine oil in chamber 2 of oil pick-up tube assembly 1, under big angle of inclination, also can keep enough machine oil liquid level heights even guarantee oil sucting cavity 6, guarantee that engine oil pump can be drawn onto machine oil from oil sucting cavity 6 by fuel sucking pipe assembly 4, be unlikely the inlet port 4c that makes fuel sucking pipe assembly 4 and be exposed in the air.
In oil sump oil sucting cavity 6, also be furnished with one group of oil baffle 5 around the inlet port 4c of ring fuel sucking pipe assembly 4, oil baffle 5a, left oil baffle 5b, back oil baffle 5c, right oil baffle 5d before comprising, each oil baffle 5 raises up from the bottom of oil sump, have certain height, general height flushes with the upper-end surface of oil sump body or is lower slightly.Do not seal between each oil baffle 5, leave certain interval, can guarantee that machine oil flows inside and outside the approximate enclosed space that oil baffle 5 forms, oil baffle 5 can only play when big angle of inclination takes place oil sump, the space inner engine oil liquid level that oil baffle 5 surrounds is higher, oil baffle 5 has slowed down the speed that the machine oil in the oil baffle 5 outwards flows, the reliability that helps fuel sucking pipe assembly 4 inlet port 4c work, particularly during the motor immediate inclination, be unlikely making inlet port 4c expose the machine oil liquid level, thereby suck air.Certainly, oil baffle 5 can also be arranged to other structural type, as has the netted fence formula of oil hole, or directly oil sucting cavity 6 is separated, between stay a routing.Oil baffle 5 prevents that except slowing down the machine oil liquid fluctuating inlet port 4c from revealing outside the empty effect, can also play preventing that machine oil from producing the effect of bubble.
Above-mentioned oil sump, one cover oil sump angle of bank measurement device and oil well pump control gear can also be set, oil sump angle of bank measurement device is measured the angle of inclination of oil sump automatically, and inclination angle signal fed back to the oil well pump control gear, the oil well pump control gear is controlled oil well pump work automatically according to the angle of inclination, just reach certain value when the oil sump angle of inclination, when spending as 20, fuel sucking pipe assembly 4 inlet port 4c expose before the machine oil liquid level, oil well pump starts automatically, the oil delivery in oil pumping chamber 2 is arrived oil sucting cavity 6, prevent that fuel sucking pipe 4b from sucking air.Certainly, oil sump angle of bank measurement device also can adopt the machine oil liquid surface measuring device, as the measuring device of level meter, tuning fork and so on, is arranged near the fuel sucking pipe assembly 4, can certainly be arranged in other positions easily, as long as effective monitoring machine oil level.When oil sucting cavity 6 machine oil liquid levels dropped to a certain degree, oil well pump was under the control of oil well pump control gear, and starting is automatically delivered to oil sucting cavity 6 with the oil pump in oil pumping chamber 2.Above-mentioned oil sump, the oil well pump control gear can also reduce system power dissipation according to the unlatching of oil sump angle of inclination or machine oil liquid level position control oil well pump assembly under the prerequisite that guarantees the reliable oil suction of lubrication system.Oil well pump is opened always, omitted oil well pump control of turning device.
Above-mentioned oil sump is respectively arranged with fuel outlet 2c and drain tap 6b in oil pumping chamber 2 and oil sucting cavity 6 bottoms, and purge cock 3 is set.
Above-mentioned oil sump, working principle is such: during the motor operation, machine oil is under the oil pump suction, pass through inlet port 4c, fuel sucking pipe 4b, joint 4a from oil sucting cavity 6, be transported to the motor main oil gallery and distribute to each lubricating point of lubrication system, machine oil after lubricated passes back in the oil pumping chamber 2 and oil sucting cavity 6 of oil sump body 3, when the angle of inclination of motor can not be satisfied oil pump and reliably drawn machine oil, oil well pump is opened automatically, oil delivery in the oil pumping chamber 2 is arrived oil sucting cavity 6, guarantee that oil pump reliably is drawn onto machine oil all the time, it is empty to avoid inlet port to inhale.
The present invention has satisfied the requirement of motor reliably working under the operating mode of big angle of inclination, and the oil sump height can effectively solve the installing space problem of motor much smaller than conventional oil drain pan height.The inventor has designed a 120kW use for diesel engine oil sump by the solution of the present invention, be reversely hung Yong, its allowable angle of inclination satisfies axial 30 degree inclination requirements, its oil sump height has reduced more than 1/3 than the conventional oil drain pan, significantly improved the arrangement requirement of motor, structure is compact more, and fuel feeding is safer.
Above embodiment only is used to the present invention is described and unrestricted technological scheme described in the invention is not limited to above form, the replacement that can also make amendment or be equal to the present invention; Technological scheme and improvement thereof that all do not break away from the spirit and scope of the present invention all will fall into protection scope of the present invention.
Claims (9)
1, a kind of inclination-resistant oil sump for engine, this engine oil drain pan is arranged in the bottom of motor, and comprises oil sump body (3), fuel sucking pipe assembly (4), accumulator, it is characterized in that:
It also comprises one dark one shallow two accumulators that are arranged on the oil sump body (3);
Described two accumulators are arranged along the oil sump length direction, keep at a certain distance away, and shallow accumulator is oil pumping chamber (2), dark accumulator is oil sucting cavity (6), be furnished with fuel sucking pipe assembly (4) in the oil sucting cavity (6), fuel sucking pipe assembly (4) is communicated with engine oil pump, and carries machine oil to it;
It also comprises an oil pick-up tube assembly (1), and oil pick-up tube assembly (1) is arranged in the oil pumping chamber (2);
It comprises that also two ends connect the oil well pump assembly of oil pumping chamber (2) and oil sucting cavity (6), and will the pump oil pump in chamber (2) of oil well pump assembly is delivered to oil sucting cavity (6).
2, inclination-resistant oil sump for engine according to claim 1, it is characterized in that: it also comprises an oil sump angle of bank measurement device and oil well pump control gear, oil sump angle of bank measurement device is measured the angle of inclination of oil sump automatically, and feed back to the oil well pump control gear, the oil well pump control gear is controlled oil well pump work automatically according to the angle of inclination, to pump the oil delivery in chamber (2) to oil sucting cavity (6), prevent that fuel sucking pipe assembly (4) from sucking air.
3, inclination-resistant oil sump for engine according to claim 1, it is characterized in that: it also comprises an engine oil level measuring device and oil well pump control gear, the engine oil level measuring device is arranged near the fuel sucking pipe assembly (4), be used to monitor near the engine oil level of inlet port (4c), and with the engine oil level signal feed back to the oil well pump control gear, the oil well pump control gear is controlled oil well pump work automatically according to engine oil level, to pump the oil delivery in chamber (2) to oil sucting cavity (6), prevent that fuel sucking pipe assembly (4) from sucking air.
4, according to claim 2 or 3 described inclination-resistant oil sump for engine, it is characterized in that: in described oil sucting cavity (6), at described fuel sucking pipe assembly (4) inlet port (4c) all around, be furnished with along the protruding upward and oil baffle that have certain altitude (5) in oil sump bottom, leave certain clearance between each oil baffle (5a, 5b, 5c, 5d), as the machine oil runner.
5, according to claim 2 or 3 described inclination-resistant oil sump for engine, it is characterized in that: described oil pick-up tube assembly (1) comprises oil pick-up tube interface (1a), oil pick-up tube (1c), joint (1b), described oil pick-up tube (1c) links to each other with oil sump body (3) by joint (1b), oil pick-up tube (1c) horizontal arrangement, its end sealing, and having a microscler groove in the bottom, i.e. oil pumping mouthful (1d) is as the machine oil import.
6, inclination-resistant oil sump for engine according to claim 4, it is characterized in that: described oil pick-up tube assembly (1) comprises oil pick-up tube interface (1a), oil pick-up tube (1c), joint (1b), described oil pick-up tube (1c) links to each other with oil sump body (3) by joint (1b), oil pick-up tube (1c) horizontal arrangement, its end sealing, and having a microscler groove in the bottom, i.e. oil pumping mouthful (1d) is as the machine oil import.
7, inclination-resistant oil sump for engine according to claim 5, it is characterized in that: described fuel sucking pipe assembly (4) comprises downward opening a shape structure inlet port (4c), and the fuel sucking pipe (4b) that links to each other with oil transportation mouth (8) on inlet port (4c), the oil sump body (3) respectively of two ends, inlet port (4c) is arranged in the bottommost of oil sucting cavity (6).
8, inclination-resistant oil sump for engine according to claim 6, it is characterized in that: described fuel sucking pipe assembly (4) comprises downward opening a shape structure inlet port (4c), and the fuel sucking pipe (4b) that links to each other with oil transportation mouth (8) on inlet port (4c), the oil sump body (3) respectively of two ends, inlet port (4c) is arranged in the bottommost of oil sucting cavity (6).
9, inclination-resistant oil sump for engine according to claim 8 is characterized in that: locate to be furnished with a filter screen (4d) at described inlet port (4c).
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| CN200910057960.0A CN101660436B (en) | 2009-09-28 | 2009-09-28 | Inclination-resistant oil sump for engine |
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| CN200910057960.0A CN101660436B (en) | 2009-09-28 | 2009-09-28 | Inclination-resistant oil sump for engine |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103277167A (en) * | 2013-06-20 | 2013-09-04 | 潍柴动力股份有限公司 | Engine oil pan |
| CN107191240A (en) * | 2017-07-10 | 2017-09-22 | 河南柴油机重工有限责任公司 | A kind of dry sump fueller suitable for high inclination-angle diesel engine |
| CN107747504A (en) * | 2017-10-19 | 2018-03-02 | 昆山三动力有限公司 | Oil sucking device, engine and vehicle |
| WO2018223628A1 (en) * | 2017-06-08 | 2018-12-13 | 江苏科技大学 | Inverted non-stop apparatus of multi-cylinder diesel engine for free-fall lifeboat |
| CN111022146A (en) * | 2019-12-20 | 2020-04-17 | 中国北方发动机研究所(天津) | Anti-tilting oil pan |
| CN111963272A (en) * | 2020-09-04 | 2020-11-20 | 广西玉柴机器股份有限公司 | Wet sump system for dual zone dual pump |
| CN112664292A (en) * | 2020-12-21 | 2021-04-16 | 中国北方发动机研究所(天津) | Coaxial integrated oil return system of dry-type oil pan |
Family Cites Families (4)
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| JP2006275039A (en) * | 2005-03-02 | 2006-10-12 | Toyota Motor Corp | Lubricating device |
| JP2006266235A (en) * | 2005-03-25 | 2006-10-05 | Toyota Motor Corp | Lubricating device for internal combustion engine |
| JP2007032487A (en) * | 2005-07-28 | 2007-02-08 | Toyota Motor Corp | Two-tank oil pan and engine |
| JP4326571B2 (en) * | 2007-04-26 | 2009-09-09 | 本田技研工業株式会社 | Oil pan for internal combustion engine |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103277167A (en) * | 2013-06-20 | 2013-09-04 | 潍柴动力股份有限公司 | Engine oil pan |
| CN103277167B (en) * | 2013-06-20 | 2016-08-10 | 潍柴动力股份有限公司 | A kind of engine sump tank |
| WO2018223628A1 (en) * | 2017-06-08 | 2018-12-13 | 江苏科技大学 | Inverted non-stop apparatus of multi-cylinder diesel engine for free-fall lifeboat |
| US10851684B2 (en) | 2017-06-08 | 2020-12-01 | Jiangsu University Of Science And Technology | Inverted non-stop apparatus of multi-cylinder diesel engine for free-fall lifeboat |
| CN107191240A (en) * | 2017-07-10 | 2017-09-22 | 河南柴油机重工有限责任公司 | A kind of dry sump fueller suitable for high inclination-angle diesel engine |
| CN107747504A (en) * | 2017-10-19 | 2018-03-02 | 昆山三动力有限公司 | Oil sucking device, engine and vehicle |
| CN111022146A (en) * | 2019-12-20 | 2020-04-17 | 中国北方发动机研究所(天津) | Anti-tilting oil pan |
| CN111963272A (en) * | 2020-09-04 | 2020-11-20 | 广西玉柴机器股份有限公司 | Wet sump system for dual zone dual pump |
| CN112664292A (en) * | 2020-12-21 | 2021-04-16 | 中国北方发动机研究所(天津) | Coaxial integrated oil return system of dry-type oil pan |
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