CN112360591A - Generator oil sump and preparation process thereof - Google Patents
Generator oil sump and preparation process thereof Download PDFInfo
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- CN112360591A CN112360591A CN202011255935.6A CN202011255935A CN112360591A CN 112360591 A CN112360591 A CN 112360591A CN 202011255935 A CN202011255935 A CN 202011255935A CN 112360591 A CN112360591 A CN 112360591A
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- oil pan
- casing
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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
- F01M11/0004—Oilsumps
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
- C21D1/18—Hardening; Quenching with or without subsequent tempering
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- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
- C21D9/0068—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for particular articles not mentioned below
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- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D3/00—Electroplating: Baths therefor
- C25D3/02—Electroplating: Baths therefor from solutions
- C25D3/56—Electroplating: Baths therefor from solutions of alloys
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D7/00—Electroplating characterised by the article coated
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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
- F01M11/0004—Oilsumps
- F01M2011/0008—Oilsumps with means for reducing vibrations
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Thermal Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Physics & Mathematics (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Engineering & Computer Science (AREA)
- Lubrication Details And Ventilation Of Internal Combustion Engines (AREA)
- Cylinder Crankcases Of Internal Combustion Engines (AREA)
Abstract
The invention discloses a generator oil pan and a preparation process thereof, relates to the manufacture of engine parts, and aims to solve the problem that the oil pan is easy to shake under the action of self gravity and lubricating oil so as to influence the driving stability of a vehicle, and the technical scheme is characterized in that: including the casing that has the flange limit, an organic whole is formed with along the screw hole of the marginal array distribution on flange limit on the casing, and the both sides of casing are equipped with the symmetry and set up and be the connecting portion of a body structure with the casing, and connecting portion are the character of a day, and each node of connecting portion is equipped with the blind hole, is equipped with a plurality of arc bumps that are located the blind hole bottom on the internal perisporium of casing. According to the invention, the connecting parts which are symmetrically arranged and are in the shape of a Chinese character 'ri' are positioned on the two sides of the shell, so that the two sides of the shell have good strength, and the oil pan is fixed through the bolts and the blind holes, so that the connecting strength of the oil pan and a vehicle is improved.
Description
Technical Field
The invention relates to engine component manufacturing, in particular to a generator oil sump and a preparation process thereof.
Background
The oil pan is the lower half of the crankcase, also known as the lower crankcase. The function is to close the crankcase as the housing of the oil sump, prevent impurities from entering, and to collect and store the lubricating oil flowing back from the friction surfaces of the diesel engine, to dissipate part of the heat and to prevent the lubricating oil from being oxidized.
Current oil pan and crankcase adopt bolted connection's mode fixed connection for the oil pan is connected with the bottom of crankcase all the time at the vehicle in-process of traveling, collects and stores the lubricating oil of backward flow, but the vehicle in-process of traveling, when motion produced the vibration in because the shake of vehicle and the crankcase, the oil pan took place to rock easily under the effect of self gravity and lubricating oil, and then influences the stability that the vehicle traveled.
Therefore, a new solution is needed to solve this problem.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide a generator oil pan and a preparation process thereof.
The technical purpose of the invention is realized by the following technical scheme: the utility model provides a generator oil pan, is including the casing that has the flange limit, the integrative threaded hole that has the edge array along the flange limit and distributes that forms on the casing, the both sides of casing are equipped with the symmetry and set up and are the connecting portion of a body structure with the casing, connecting portion are the day font, each node of connecting portion is equipped with the blind hole, be equipped with a plurality of arc bumps that are located the blind hole bottom on the internal perisporium of casing.
Through adopting above-mentioned technical scheme, the screw hole is seted up to the flange edge of casing, make the oil pan still be connected with the crankcase, and through being located the casing both sides and being the connecting portion that the symmetry set up and be the day font, make the both sides of casing have good intensity, and each node of connecting portion sets up the blind hole, when making the oil pan installation, can fix the oil pan through bolt and blind hole, improve the joint strength of oil pan and vehicle, thereby avoided the vehicle to lead to oil pan and crankcase vibration owing to rocking at the in-process of traveling, and influence the stability that the vehicle traveled.
The invention is further configured to: the connecting portion are internally provided with a plurality of reinforcing portions arranged along the length direction of the threaded hole, and through holes connected with the threaded hole are formed in the reinforcing portions.
Through adopting above-mentioned technical scheme, be equipped with the rib with the screw hole intercommunication in connecting portion, can strengthen the joint strength of crankcase and oil pan to the messenger is the connecting portion of day font and is connected with the rib, further improves the intensity of connecting portion, and when the oil pan passed through blind hole and connected to the frame simultaneously, the bolt of being connected between crankcase and the oil pan and the crisscross setting of bolt that frame and oil pan are connected improve the stability that the oil pan is connected.
The invention is further configured to: and counter bores which are concentrically arranged with the blind holes are arranged at the openings of the blind holes and the threaded holes.
Through adopting above-mentioned technical scheme, set up the counter bore of concentric setting through the opening part at screw hole and blind hole for when the bolt passes through screw hole and casing threaded connection, the area of contact of increase bolt and oil pan, and then improve the screw thread self-locking ability of bolt, improve the joint strength of crankcase and oil pan.
The invention is further configured to: the outer peripheral wall of the shell is provided with a plurality of arc-shaped long grooves which are coaxial with the threaded holes.
Through adopting above-mentioned technical scheme, through the setting of arc elongated slot, can hold the bolt to be curved structure and can improve the degree that the casing bore external stress, improve the shock resistance and the life of oil pan.
The invention is further configured to: the inner peripheral wall of the shell is provided with a plurality of convex strips which are coaxial with the arc-shaped long grooves, and one side of each convex strip, facing the inner cavity of the shell, is arc-shaped.
Through adopting above-mentioned technical scheme, through set up the sand grip with the coaxial setting of arc elongated slot on the internal perisporium of casing, the increase casing is located the wall thickness of arc elongated slot department, improves the degree of consistency of oil pan, and the surface of sand grip is the arc, further improves the anti deformability of oil pan.
A process for producing an engine oil pan according to any one of claims 1 to 5, wherein: the method comprises the following steps:
s1, selecting a blank, selecting an oil pan blank cast by ST16 cold rolling steel, and detecting that no obvious scratch or crack exists on the inner surface and the outer surface of the oil pan blank;
s2, performing preliminary heat treatment, namely performing 870 +/-10 ℃ oil cooling quenching on the oil pan blank selected in the step S1, and then keeping the temperature to 790 ℃ for 25 min;
s3, quenching treatment, namely quenching the oil pan blank treated in the step S2 to 680 ℃, preserving heat for 40min, standing, cooling to 500 ℃, taking out, and air cooling to room temperature;
s4, rough machining, namely placing the oil pan blank obtained in the step S3 on a lathe to drill a threaded hole on the flange edge, and turning an arc-shaped long groove which is coaxial with the threaded hole on the outer peripheral wall of the oil pan blank;
s5, polishing and cleaning, namely polishing the inner peripheral wall and the outer peripheral wall of the oil pan blank in a sand blasting manner on the oil pan blank processed in the step S4, and cleaning the oil pan blank and the threaded hole by using clear water;
and S6, electroplating, namely soaking the oil pan blank processed in the step S5 in Cd-Sn electroplating solution to form a protective plating layer.
Through adopting above-mentioned technical scheme, adopt ST16 cold rolling steel matter cast into oil pan base blank, reduce follow-up welded process, improve the wholeness of oil pan to through 870 ℃ quenching, constant temperature and air cooling, improve rigidity, hardness, wearability, fatigue strength and the toughness of oil pan, and through polishing washing and electroplating, make the surface of oil pan be formed with the protection cladding material, improve the corrosion resisting property of oil pan, have good life.
The invention is further configured to: firstly, placing an oil bottom shell blank in a quenching furnace for heating, wherein the quenching temperature is 870 ℃, keeping the temperature for 20min, then cooling the oil to 790 ℃, and preserving the heat for 25 min.
Through adopting above-mentioned technical scheme, with quenching temperature constant temperature 870 ℃ and keep 20min for the oil pan has good quenching degree, and adopts and to have the refrigerated mode, is difficult for causing the corrosion of oil pan, makes the oil pan have good life.
The invention is further configured to: the step S2 further includes: and (3) keeping the oil pan at the constant temperature of 790 ℃ for 25min, immediately putting the oil pan into a nitrate bath at 250 ℃ for constant temperature of 30min, discharging and air cooling.
Through adopting above-mentioned technical scheme, through the even deflection of being heated of nitre salt bath little, few no oxidation decarbonization, the heating is fast, has the characteristics that thermal insulation performance and heating uniformity can be good, and then improves the quality of oil pan.
In conclusion, the invention has the following beneficial effects:
the screw hole is seted up to the flange edge of casing, make the oil pan still be connected with the crankcase, and through being located the casing both sides and being the connecting portion that the symmetry set up and be the day font, make the both sides of casing have good intensity, and each node of connecting portion sets up the blind hole, make the oil pan during installation, can fix the oil pan through bolt and blind hole, improve the joint strength of oil pan and vehicle, thereby avoided the vehicle to lead to oil pan and crankcase vibration owing to rocking at the in-process of traveling, and influence the stability that the vehicle traveled.
Drawings
FIG. 1 is a first schematic structural diagram of an oil pan according to the present invention;
FIG. 2 is an enlarged view of portion A of FIG. 1;
FIG. 3 is a schematic structural view of the present invention;
FIG. 4 is an enlarged view of portion B of FIG. 3;
FIG. 5 is a second schematic structural view of an oil pan according to the present invention;
fig. 6 is a third schematic structural view of the oil pan according to the present invention.
In the figure: 1. a housing; 2. a threaded hole; 3. a connecting portion; 4. blind holes; 5. arc-shaped salient points; 6. a reinforcing portion; 7. a through hole; 8. a counter bore; 9. an arc-shaped long groove; 10. and (4) raised strips.
Detailed Description
The invention is described in detail below with reference to the figures and examples.
A generator oil pan is shown in figures 1 and 3 and comprises a shell 1 with a flange edge, threaded holes 2 distributed along the edge array of the flange edge are integrally formed in the shell 1, connecting portions 3 symmetrically arranged are integrally formed on two sides of the shell 1, specifically, the connecting portions 3 protrude towards the outside of the shell 1 in a shape like a Chinese character 'ri', blind holes 4 are formed in each node of the connecting portions 3, and a plurality of arc-shaped salient points 5 located at the bottom ends of the blind holes 4 are arranged on the inner peripheral wall of the shell 1.
As shown in fig. 2, a plurality of reinforcing parts 6 are formed in the connecting part 3 and arranged along the length direction of the threaded hole 2, the reinforcing parts 6 are cylindrical and integrated with the housing 1, a through hole 7 communicated with the threaded hole 2 is formed in each reinforcing part 6, and counter bores 8 concentrically arranged with the blind hole 4 and the threaded hole 2 are arranged at the opening of the blind hole and the threaded hole.
As shown in fig. 2, a plurality of arc-shaped elongated slots 9 are formed in the outer peripheral wall of the housing 1, the length of each arc-shaped elongated slot 9 is equal to the thickness of the housing 1, a plurality of protruding strips 10 are integrally formed on the inner peripheral wall of the housing 1, the protruding strips 10 are coaxially arranged with the arc-shaped elongated slots 9, one side of each protruding strip 10, which faces the inner cavity of the housing 1, is arc-shaped, and the arc-shaped surfaces of the protruding strips 10 and the arc-shaped concave surfaces of the arc-shaped elongated slots 9 have the.
As shown in fig. 5 and 6, an oil filling port is obliquely arranged on the peripheral wall of the casing 1, a plurality of support columns and oil drainage ports are integrally formed at the bottom end of the casing 1, the bottom surfaces of the support columns and the oil drainage ports are located on the same plane, and meanwhile, the oil drainage ports are internally connected with oil plugs used for sealing the oil drainage ports.
The threaded holes 2 are formed on the flange edge of the shell 1, so that the oil pan is still connected with the crankcase, the connecting strength between the crankcase and the oil pan can be enhanced through the connecting parts 3 which are symmetrically arranged and are in the shape of Chinese character 'ri' and positioned on the two sides of the shell 1, the strength of the connecting part 3 is further improved, the reinforcing parts 6 which are communicated with the threaded holes 2 are arranged in the connecting parts 3, the connecting strength between the crankcase and the oil pan can be enhanced, the connecting parts 3 in the shape of Chinese character 'ri' are connected with the reinforcing parts 6, the strength of the connecting parts 3 is further improved, the blind holes 4 are formed in all nodes of the connecting parts 3, so that the oil pan can be fixed through bolts and the blind holes 4 when the oil pan is installed, and meanwhile, when the oil pan is connected with a vehicle frame through the blind holes 4, the bolts connected between the oil pan and the oil pan are arranged in a, which affects the stability of the vehicle.
Set up the counter bore 8 of concentric setting at the opening part of screw hole 2 and blind hole 4, when making the bolt pass through screw hole 2 and 1 threaded connection of casing, the area of contact of increase bolt and oil pan, and then improve the screw thread self-locking ability of bolt, improve the joint strength of crankcase and oil pan, setting through arc elongated slot 9, can hold the bolt, and be curved structure and can improve the degree that casing 1 bears external stress, improve the shock resistance and the life of oil pan, and set up the sand grip 10 with the coaxial setting of arc elongated slot 9 on the internal perisporium of casing 1, increase the wall thickness that casing 1 is located arc elongated slot 9 department, improve the degree of consistency of oil pan, and the outward appearance of sand grip 10 is the arc, further improve the anti deformability of oil pan.
Example two:
a preparation process of a generator oil pan is used for preparing the engine oil pan in the first embodiment and comprises the following steps:
s1, selecting a blank, selecting an oil pan blank cast by ST16 cold rolling steel, specifically, making the oil pan blank by casting the ST cold rolling steel in a sand mould casting mode, arranging a plurality of screw holes formed by depressions on the flange edge of the oil pan blank through the sand mould, forming convex strips 10 on the inner peripheral wall of the oil pan blank, and detecting that the inner surface and the outer surface of the oil pan blank have no obvious scratches and the oil pan blank has no cracks through an ultrasonic wave crack detector.
S2, performing preliminary heat treatment, performing 870 +/-10 ℃ oil cooling quenching on the oil pan blank selected in the step S1, then keeping the temperature to 790 ℃ and preserving the temperature for 25min, specifically, firstly, placing the oil pan blank in a quenching furnace to heat, wherein the quenching temperature is 870 ℃, after keeping the temperature for 20min, cooling the oil to 790 ℃ and preserving the temperature for 25 min.
And S3, quenching treatment, namely quenching the oil pan blank treated in the step S2 to 680 ℃, preserving heat for 40min, standing and cooling to 500 ℃, immediately placing into a nitrate bath at 250 ℃ for constant temperature for 30min, taking out and air-cooling to room temperature.
And S4, rough machining, namely placing the oil pan blank obtained in the step S3 on a lathe to drill a threaded hole 2 on the flange edge, turning an arc-shaped long groove 9 which is coaxial with the threaded hole 2 on the outer peripheral wall of the oil pan blank, wherein the arc-shaped surface of the convex strip 10 facing the inner cavity direction of the oil pan blank has the same radian as the arc-shaped concave surface facing the arc length, and tapping at the threaded hole through the lathe to form an internal thread on the inner peripheral wall of the threaded hole.
And S5, polishing and cleaning, namely polishing the inner peripheral wall and the outer peripheral wall of the oil pan blank processed in the step S4 in a sand blasting mode, and cleaning the oil pan blank and the threaded hole 2 by using clean water.
And S6, electroplating, namely soaking the oil pan blank processed in the step S5 in Cd-Sn electroplating solution to form a protective plating layer.
Adopt ST16 cold rolling steel matter cast into oil pan base blank, reduce follow-up welded process, improve the wholeness of oil pan, and keep quenching temperature constant temperature 870 ℃ for 20min, make the oil pan have good quenching degree, and adopt there is the refrigerated mode, be difficult for causing the corrosion of oil pan, make the oil pan have good life, then the mode through nitre salt bath, make the even deflection of being heated of oil pan little, few no oxidation decarbonization, the heating is fast, the characteristics that thermal insulation performance and heating uniformity can be good have, and then improve the rigidity of oil pan, hardness, wearability, fatigue strength and toughness, and through polishing washing and electroplating, make the surface of oil pan be formed with the protective coating, improve the corrosion resisting property, and has good life.
The above description is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above embodiments, and all technical solutions belonging to the idea of the present invention belong to the protection scope of the present invention. It should be noted that modifications and embellishments within the scope of the invention may occur to those skilled in the art without departing from the principle of the invention, and are considered to be within the scope of the invention.
Claims (8)
1. A generator oil pan is characterized in that: including casing (1) that has the flange limit, integrative threaded hole (2) that are formed with along the edge array distribution on flange limit on casing (1), the both sides of casing (1) are equipped with symmetry setting and are connecting portion (3) of a body structure with casing (1), connecting portion (3) are the day font, each node of connecting portion (3) is equipped with blind hole (4), be equipped with a plurality of arc bumps (5) that are located blind hole (4) bottom on the internal perisporium of casing (1).
2. The generator sump of claim 1, wherein: the connecting portion (3) is internally provided with a plurality of reinforcing portions (6) arranged along the length direction of the threaded hole (2), and through holes (7) connected with the threaded hole (2) are formed in the reinforcing portions (6).
3. A generator sump according to claim 2, wherein: and counter bores (8) which are concentrically arranged with the blind holes (4) and the threaded holes (2) are arranged at the openings of the blind holes and the threaded holes.
4. The generator sump of claim 1, wherein: the outer peripheral wall of the shell (1) is provided with a plurality of arc-shaped long grooves (9) which are coaxial with the threaded holes (2).
5. The generator sump of claim 4, wherein: the inner peripheral wall of the shell (1) is provided with a plurality of convex strips (10) which are coaxial with the arc-shaped long grooves (9), and one side, facing the inner cavity of the shell (1), of each convex strip (10) is arc-shaped.
6. A process for producing an engine oil pan according to any one of claims 1 to 5, wherein: the method comprises the following steps:
s1, selecting a blank, selecting an oil pan blank cast by ST16 cold rolling steel, and detecting that no obvious scratch or crack exists on the inner surface and the outer surface of the oil pan blank;
s2, performing preliminary heat treatment, namely performing 870 +/-10 ℃ oil cooling quenching on the oil pan blank selected in the step S1, and then keeping the temperature to 790 ℃ for 25 min;
s3, quenching treatment, namely quenching the oil pan blank treated in the step S2 to 680 ℃, preserving heat for 40min, standing, cooling to 500 ℃, taking out, and air cooling to room temperature;
s4, rough machining, namely placing the oil pan blank obtained in the step S3 on a lathe, drilling a threaded hole (2) on the flange edge, and turning an arc-shaped long groove (9) which is coaxial with the threaded hole (2) on the outer peripheral wall of the oil pan blank;
s5, polishing and cleaning, namely polishing the inner peripheral wall and the outer peripheral wall of the oil pan blank in a sand blasting way on the oil pan blank processed in the step S4, and cleaning the oil pan blank and the threaded hole (2) by using clear water;
and S6, electroplating, namely soaking the oil pan blank processed in the step S5 in Cd-Sn electroplating solution to form a protective plating layer.
7. The preparation process of the generator oil pan as claimed in claim 6, wherein the preparation process comprises the following steps: the step S2 specifically includes: firstly, placing an oil bottom shell blank in a quenching furnace for heating, wherein the quenching temperature is 870 ℃, keeping the temperature for 20min, then cooling the oil to 790 ℃, and preserving the heat for 25 min.
8. The preparation process of the generator oil pan as claimed in claim 7, wherein the preparation process comprises the following steps: the step S2 further includes: and (3) keeping the oil pan at the constant temperature of 790 ℃ for 25min, immediately putting the oil pan into a nitrate bath at 250 ℃ for constant temperature of 30min, discharging and air cooling.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011255935.6A CN112360591A (en) | 2020-11-11 | 2020-11-11 | Generator oil sump and preparation process thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011255935.6A CN112360591A (en) | 2020-11-11 | 2020-11-11 | Generator oil sump and preparation process thereof |
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| CN112360591A true CN112360591A (en) | 2021-02-12 |
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| CN202011255935.6A Pending CN112360591A (en) | 2020-11-11 | 2020-11-11 | Generator oil sump and preparation process thereof |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004353506A (en) * | 2003-05-28 | 2004-12-16 | Petroliam Nasional Bhd | Oil pan structure for engine |
| CN204082255U (en) * | 2014-09-24 | 2015-01-07 | 安徽江淮汽车股份有限公司 | A kind of engine sump tank |
| CN205189995U (en) * | 2015-10-23 | 2016-04-27 | 奇瑞汽车股份有限公司 | Oil sump of engine |
| CN205876426U (en) * | 2016-08-08 | 2017-01-11 | 江苏常发农业装备股份有限公司 | Engine sump |
| CN106893943A (en) * | 2015-04-30 | 2017-06-27 | 田庭 | A kind of corrosion-resistant engine sump tank and preparation method thereof |
| CN210714806U (en) * | 2019-11-01 | 2020-06-09 | 江阴市同方机械配件制造有限公司 | Oil pan for diesel engine |
-
2020
- 2020-11-11 CN CN202011255935.6A patent/CN112360591A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004353506A (en) * | 2003-05-28 | 2004-12-16 | Petroliam Nasional Bhd | Oil pan structure for engine |
| CN204082255U (en) * | 2014-09-24 | 2015-01-07 | 安徽江淮汽车股份有限公司 | A kind of engine sump tank |
| CN106893943A (en) * | 2015-04-30 | 2017-06-27 | 田庭 | A kind of corrosion-resistant engine sump tank and preparation method thereof |
| CN205189995U (en) * | 2015-10-23 | 2016-04-27 | 奇瑞汽车股份有限公司 | Oil sump of engine |
| CN205876426U (en) * | 2016-08-08 | 2017-01-11 | 江苏常发农业装备股份有限公司 | Engine sump |
| CN210714806U (en) * | 2019-11-01 | 2020-06-09 | 江阴市同方机械配件制造有限公司 | Oil pan for diesel engine |
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Application publication date: 20210212 |