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Engine oil pump and engine lubrication system thereof

An engine and oil pump technology, applied in the direction of engine lubrication, engine components, machines/engines, etc., can solve the problems of large inclination angle between the engine and the oil pan, affecting the normal lubrication of the engine, and insufficient oil absorption by the oil pump, so as to reduce the weight. , The effect of reducing its own height and increasing the ground clearance

Inactive Publication Date: 2015-03-11
CHERY AUTOMOBILE CO LTD
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  • Description
  • Claims
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AI Technical Summary

Problems solved by technology

[0004] However, in some extreme working conditions of the engine, such as car stunt driving with one wheel on the ground, climbing steep slopes, etc., the angle of inclination between the engine and the oil pan is large, and it is difficult for the lubricated oil to return, and too much oil is "lost" in the oil pan. It will cause the oil pump to absorb insufficient oil or even fail to absorb oil, which will affect the normal lubrication of the engine

Method used

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  • Engine oil pump and engine lubrication system thereof
  • Engine oil pump and engine lubrication system thereof
  • Engine oil pump and engine lubrication system thereof

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Embodiment Construction

[0026] The specific implementation manner of the present invention will be described in further detail below by describing the embodiments with reference to the accompanying drawings.

[0027] Such as Figure 1 to Figure 5 As shown, the engine oil pump includes a main pump 1 and three auxiliary pumps, and the three auxiliary pumps are respectively auxiliary pump I2, auxiliary pump II3, and auxiliary pump III4. Among them, the main pump 1 and the three auxiliary pumps use Segmented side-by-side structure, the main pump casing 22 and the auxiliary pump casing 23 pass through the fixing holes on the respective casings through four bolts 5, and are locked and fixed together side by side with four corresponding nuts 6. The auxiliary pumps can be assembled into serialized products by increasing or decreasing the number of auxiliary pumps according to the design and layout requirements of the engine.

[0028] The main pump 1 and three auxiliary pumps share a drive shaft 26, the fron...

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Abstract

The invention discloses an engine oil pump and an engine lubrication system thereof. The engine oil pump comprises a main pump and an auxiliary pump; the main pump and the auxiliary pump are of a sectional structure; the main pump and the auxiliary pump share one driving shaft; the main pump and the auxiliary pump are respectively provided with independent oil inlet and oil outlet. The engine lubrication system comprises an oil pan and an engine lubrication passage, and also comprises an oil collecting container; the oil inlet of the auxiliary pump is communicated with the oil pan, and the oil outlet of the auxiliary pump is communicated with the oil collecting container; the oil inlet of the main pump is communicated with the oil collecting container, and the oil outlet of the main pump is communicated with the engine lubrication passage. When an engine is inclined at a large angle, engine oil in the engine can be cycled continuously and normally participates in lubricating work.

Description

technical field [0001] The invention relates to the technical field of engine lubrication, in particular to an engine oil pump and an engine lubrication system thereof. Background technique [0002] In the engine lubrication system, the oil pump is an important component. Its function is to provide a certain pressure of oil and establish oil film lubrication for the movement pairs and hydraulic components in the engine, so as to ensure the normal operation of the engine. [0003] Under the normal operating conditions of the engine, the oil pump sends the oil in the oil pan to the various moving pairs and hydraulic components, and the lubricated oil quickly returns to the oil pan, so the oil in the engine passes through the oil pump continuously. Continuously work in circulation in each kinematic pair and hydraulic components repeatedly. [0004] However, in some extreme working conditions of the engine, such as car stunt driving with one wheel on the ground, climbing steep ...

Claims

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Application Information

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IPC IPC(8): F01M1/02F01M11/06F16N13/20
CPCF01M1/02F16N13/20F01M2001/0238F04C11/001
Inventor 王竹平陶园
Owner CHERY AUTOMOBILE CO LTD
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