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engine oil cooling structure

An engine cooling, engine technology, applied in the direction of engine lubrication, engine components, machines/engines, etc., can solve the problems of increasing the number of parts and increasing the size

Active Publication Date: 2021-09-14
KUBOTA CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, this requires an arrangement space, which increases the size, and also requires a dedicated oil cooler and blower, which increases the number of parts, so there is room for improvement

Method used

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Examples

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Embodiment Construction

[0049] In the following, the vertical water-cooled in-line diesel engine applied to agricultural machinery and construction machinery is taken as an example, while referring to the attached Figure 1 The implementation of the oil cooling structure of the engine provided by the present invention will be described. It should be noted that, in the direction of the crankshaft of this engine, the side equipped with the engine cooling fan assembly is defined as "front", the opposite side is defined as "rear", and the side of the alternator is defined as "right". The opposite side is defined as "left".

[0050] like figure 1 and figure 2 As shown, the vertical water-cooled in-line diesel engine E includes: an engine body 1, which has a crankshaft 2; an oil pan 3, which is assembled on the lower side of the engine body 1; an auxiliary driving pulley 4, which is assembled on the crankshaft 2; a flywheel 5, which is mounted on the rear end of the crankshaft 2; an engine cooling fan ...

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Abstract

An engine oil cooling structure capable of avoiding an increase in the number of components and an increase in required space as much as possible, and improving the cooling performance of the oil. In the oil cooling structure of an engine in which a transmission case (9) is installed on one end wall (1a) of the engine body (1), and the transmission case (9) is provided with a transmission mechanism (2A) for driving auxiliary machines, the transmission case (9) forms It is a pot-shaped structure with multiple ribs (9B-9H), installed on the front wall of the engine where the engine cooling fan is located, and in the shell separated by the ribs (9B-9H) of the transmission case (9) The chambers (20, 22, 24, 30) serve as a delivery passage (W) for oil circulated by an oil pump (P).

Description

technical field [0001] The invention relates to an engine oil cooling structure, in particular to an engine oil cooling structure in which a transmission casing is installed on one end wall of the engine body and the transmission casing is provided with a transmission mechanism for driving an auxiliary machine. Background technique [0002] Generally, the engine is equipped with an oil pump driven by a crankshaft and the like to pump necessary lubricating engine oil (hereinafter simply referred to as oil) to various transmission parts such as valve gears and sliding parts of cylinders and pistons. The oil from the oil pump not only lubricates each part, but also cools it by absorbing heat, so the oil temperature reaches a high temperature when the engine is running. [0003] Therefore, in order to reduce the oil temperature, according to the model of the engine, a separate oil cooler is adopted, or the cooling fins for the expected air cooling function are arranged on the pe...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F01M5/00
CPCF01M1/02F01M5/002F01M5/005F01M11/02F01M2001/0253F02B67/06F02F7/0073F02F2007/0078F16H57/0415F16H57/0421F02F7/007F02B67/04
Inventor 尾曾洋树小山秀行后藤英之山崎隆宽长井健太郎山口隆志金子莉菜
Owner KUBOTA CORP