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Blow-by gas treatment device for internal combustion engine

A technology of processing device and internal combustion engine, applied in the direction of internal combustion piston engine, combustion engine, charging system, etc., can solve the problems of poor fuel efficiency of internal combustion engine, poor operation of hydraulic system, poor lubrication of sliding components, etc. The effect of reducing the amount of oil and reducing the resistance of the passage

Inactive Publication Date: 2018-02-02
SUZUKI MOTOR CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] Therefore, if the ventilation of the chain storage room is insufficient, the NOx (nitrogen oxides) contained in the blow-by gas reacts with moisture in the chain storage room to generate nitric acid, and the oil may condense due to the nitric acid, and dross may be generated.
In addition, if the dross is mixed into the oil lubricating the internal combustion engine, it may cause malfunction of the hydraulic system, poor lubrication of sliding members such as the crankshaft, and the fuel efficiency of the internal combustion engine may deteriorate.

Method used

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  • Blow-by gas treatment device for internal combustion engine
  • Blow-by gas treatment device for internal combustion engine
  • Blow-by gas treatment device for internal combustion engine

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Embodiment Construction

[0043] Embodiments of the blow-by gas treatment device for an internal combustion engine according to the present invention will be described below using the drawings.

[0044] Figure 1 to Figure 8 It is a diagram showing a blow-by gas treatment device for an internal combustion engine according to an embodiment of the present invention.

[0045] First, the configuration will be described.

[0046] exist Figure 1 ~ Figure 4 Among them, the engine 1 as an internal combustion engine is provided with: a cylinder block 2; a cylinder head 3 provided on the top of the cylinder block 2; a cylinder head cover 4 provided on the top of the cylinder head 3; and an oil pan provided on the bottom of the cylinder block 2 5.

[0047] exist figure 1 Among them, in the cylinder body 2 are housed: a piston 28 that can be moved up and down in the cylinder 27; The crank case 2A rotatably supports the crank shaft 6 . In addition, a crank chamber 24 is formed between the crank case 2A and ...

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Abstract

Provide a internal combustion machine leakage processing device, which can fully perform the ventilation of the chain storage room, and can inhibit the generating slag in the chain storage room.The leakage treatment device forms a chain storage room (22) between the chain shell (21) and the cylinder (2), and forms a connected oil separation room (17) and the chain storage room (22) in the cylinder (2)) Connection (23).

Description

technical field [0001] The present invention relates to a blow-by gas treatment device for an internal combustion engine, and more particularly to a blow-by gas treatment device for an internal combustion engine having a chain storage chamber for storing a timing chain. Background technique [0002] In an internal combustion engine installed in a car, etc., as the internal combustion engine operates, mixture gas and combustion gas leak from between the piston and the inner wall of the cylinder into the crank chamber in the crank housing, so-called blow-by occurs, and the blow-by gas is returned to the intake system It enters the combustion chamber again, causing it to burn again, thereby preventing the oil from deteriorating due to blow-by. [0003] As a conventional blow-by gas processing device, the following device is known: it is provided with an oil separation chamber (oil storage chamber) communicating with the valve chamber of the cylinder head in the cylinder block a...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F01M13/04
CPCF01M13/04F01M13/0405F02M25/06Y02T10/12
Inventor 山下晴义向井大树
Owner SUZUKI MOTOR CORP