CN-122029341-A - Oil pan and engine system

Abstract

An oil pan includes a first side wall, a second side wall opposite the first side wall, and a third side wall extending between the first side wall and the second side wall. The oil pan also includes a bottom surface extending between the first sidewall and the second sidewall such that the first sidewall, the second sidewall, the third sidewall, and the bottom surface define an interior cavity therebetween. The inner cavity includes a first cavity and a second cavity. The bottom surface defines a protrusion disposed between the first cavity and the second cavity. The oil pan further includes an oil suction pipe integral with the first side wall, the second side wall, the third side wall, and the bottom surface. The oil suction tube includes a first inlet in fluid communication with the first chamber, an outlet disposed at the third sidewall, and an oil suction tube body extending between the first inlet and the outlet.

Inventors

• LUO YUAN
• Priyadashini Sanjay Wotpad
• Nawal Gupta
• Alan Jodie Patak
• Gong Juwen
• Nafdipu Kumar Jindal
• Anthony. Hart
• MARK HALL

Assignees

• 康明斯公司

Dates

Publication Date

20260512

Application Date

20230825

Claims (20)

1. 1. An oil pan, the oil pan comprising: a first sidewall; a second side wall of the first side wall, the second side wall is opposite to the first side wall; A third sidewall extending between the first sidewall and the second sidewall; a bottom surface extending between the first sidewall and the second sidewall such that the first sidewall, the second sidewall, the third sidewall, and the bottom surface define an interior cavity therebetween, the interior cavity including a first cavity and a second cavity, the bottom surface defining a protrusion disposed between the first cavity and the second cavity, and An oil suction pipe integral with the first sidewall, the second sidewall, the third sidewall, and the bottom surface, the oil suction pipe comprising: -a first inlet in fluid communication with the first chamber; an outlet provided at the third side wall, and -An oil suction pipe body extending between the first inlet and the outlet.
2. 2. The oil pan of claim 1, wherein the outlet is provided at an upper surface of the third side wall.
3. 3. The oil pan according to claim 1 or claim 2, wherein the oil suction pipe main body extends along an outer periphery of the protruding portion.
4. 4. The oil pan according to claim 1 or claim 2, wherein: the oil suction tube further includes a second inlet in fluid communication with the second chamber, and The suction tube body further extends between the second inlet and the outlet.
5. 5. The oil pan of claim 4, wherein the oil suction pipe body further extends between the first inlet and the second inlet.
6. 6. The oil pan of claim 4, wherein the oil suction pipe body defines: A first inlet pipe section extending between the first inlet and an intersection substantially between the third sidewall and the projection, and A second inlet pipe section extending between the second inlet and the junction substantially between the third sidewall and the projection.
7. 7. The oil pan of claim 6, wherein the oil suction tube body further defines an outlet tube section extending between the outlet and the intersection generally between the third sidewall and the protrusion.
8. 8. The oil pan according to any one of claims 1,2, 5-7, wherein a cross section of the protruding portion has two substantially flat portions that are substantially parallel to each other and joined by a substantially curved portion.
9. 9. The oil pan of any of claims 1, 2, 5-7, further comprising a filter screen coupled to the first inlet.
10. 10. The oil pan of any of claims 1,2, 5-7, wherein the bottom surface is substantially perpendicular to the first and second sidewalls.
11. 11. The oil pan of any of claims 1, 2, 5-7, wherein the third sidewall is substantially perpendicular to the first sidewall and the second sidewall.
12. 12. The oil pan of claim 11, wherein the protrusion defines a hollow volume opposite the inner cavity.
13. 13. An engine system, the engine system comprising: Engine and An oil pan coupled to the engine and configured to store oil for the engine, the oil pan comprising: -a first side wall; -a second side wall opposite to the first side wall; -a third sidewall extending between the first sidewall and the second sidewall; a bottom surface extending between the first and second sidewalls such that the first, second, third and bottom surfaces define an interior cavity therebetween, the interior cavity including first and second cavities, the bottom surface defining a protrusion disposed between the first and second cavities, and -An oil suction pipe integral with the first, second, third and bottom surfaces, the oil suction pipe comprising: -a first inlet in fluid communication with the first chamber; an outlet provided at the upper surface of the third side wall, and -An oil suction pipe body extending between said first inlet and said outlet.
14. 14. The engine system of claim 13, wherein: the oil pan further includes a fourth side wall opposite to the third side wall, and The protrusion extends between the third sidewall and the fourth sidewall.
15. 15. The engine system of claim 14, wherein the fourth sidewall is substantially perpendicular to the first sidewall and the second sidewall.
16. 16. The engine system of any of claims 13-15, wherein a height of the protrusion is equal to at least 25% of a height of the first sidewall.
17. 17. The engine system of any of claims 13-15, wherein a height of the first sidewall is substantially equal to a height of the second sidewall.
18. 18. The engine system of any of claims 13-15, wherein: The bottom surface defining an attachment aperture, and The oil pan further includes: -a filter screen defining a filter aperture, and -A fastener disposed within the filter aperture and the attachment aperture, the fastener securing the filter screen to the bottom surface.
19. 19. The engine system of any of claims 13-15, wherein: The projection defining a hollow volume opposite the lumen, and The engine system further includes a drive shaft coupled to the engine, the drive shaft disposed at least partially in the hollow volume.
20. 20. The engine system of any of claims 13-15, wherein an inner surface of the oil suction pipe body is substantially smooth.

Description

Oil pan and engine system Technical Field The present application relates generally to oil pans for use in internal combustion engine systems. Background Oil is used to lubricate moving parts of an internal combustion engine. In many implementations, oil is provided and collected in a reservoir at the bottom of the crankcase of the engine, which is commonly referred to as an oil pan. The oil pump sucks oil from the oil pan and supplies the oil to engine components such as a crankshaft, a connecting rod bearing, a cylinder wall, and the like. Eventually, the oil drips from the engine components and collects in the sump, from where it may be recirculated through the internal combustion engine. Disclosure of Invention In one embodiment, an oil pan includes a first sidewall, a second sidewall opposite the first sidewall, and a third sidewall extending between the first sidewall and the second sidewall. The oil pan also includes a bottom surface extending between the first sidewall and the second sidewall such that the first sidewall, the second sidewall, the third sidewall, and the bottom surface define an interior cavity therebetween. The inner cavity includes a first cavity and a second cavity. The bottom surface defines a protrusion disposed between the first cavity and the second cavity. The oil pan further includes an oil suction pipe integral with the first side wall, the second side wall, the third side wall, and the bottom surface. The oil suction tube includes a first inlet in fluid communication with the first chamber, an outlet disposed at the third sidewall, and an oil suction tube body extending between the first inlet and the outlet. In some embodiments, the outlet is disposed at an upper surface of the third sidewall. In some embodiments, the oil suction tube body extends along an outer periphery of the protrusion. In some embodiments, the oil suction tube further comprises a second inlet in fluid communication with the second chamber, and the oil suction tube body further extends between the second inlet and the outlet. In some embodiments, the oil suction tube body further extends between the first inlet and the second inlet. In some embodiments, the oil suction tube body defines a first inlet tube section extending between the first inlet and an intersection generally between the third sidewall and the protrusion, and a second inlet tube section extending between the second inlet and the intersection generally between the third sidewall and the protrusion. In some embodiments, the oil suction tube body further defines an outlet tube section extending between the outlet and the intersection substantially between the third sidewall and the protrusion. In some embodiments, the cross-section of the protrusion has two substantially flat portions that are substantially parallel to each other and joined by a substantially curved portion. In some embodiments, the oil pan further includes a filter screen coupled to the first inlet. In some embodiments, the bottom surface is substantially perpendicular to the first sidewall and the second sidewall. In some embodiments, the third sidewall is substantially perpendicular to the first sidewall and the second sidewall. In some embodiments, the protrusion defines a hollow volume opposite the lumen. In another embodiment, an engine system includes an engine and an oil pan coupled to the engine and storing oil for the engine. The oil pan includes a first side wall, a second side wall opposite the first side wall, and a third side wall extending between the first side wall and the second side wall. The oil pan also includes a bottom surface extending between the first sidewall and the second sidewall such that the first sidewall, the second sidewall, the third sidewall, and the bottom surface define an interior cavity therebetween. The inner cavity includes a first cavity and a second cavity. The bottom surface defines a protrusion disposed between the first cavity and the second cavity. The oil pan further includes an oil suction pipe integral with the first side wall, the second side wall, the third side wall, and the bottom surface. The oil suction tube includes a first inlet in fluid communication with the first chamber, an outlet disposed at an upper surface of the third sidewall, and an oil suction tube body extending between the first inlet and the outlet. In some embodiments, the oil pan further includes a fourth sidewall opposite the third sidewall, and the protrusion extends between the third sidewall and the fourth sidewall. In some embodiments, the fourth sidewall is substantially perpendicular to the first sidewall and the second sidewall. In some embodiments, the height of the protrusion is equal to at least 25% of the height of the first sidewall. In some embodiments, the height of the first sidewall is substantially equal to the height of the second sidewall. In some embodiments, the bottom surface defines an attachment aperture, and the oil pan