Engine and Vehicle

A technology for engines and air compressors, which is applied in the direction of engine control, engine components, machines/engines, etc. It can solve the problem that oil droplets are easy to adhere to the inner wall of the intake pipe or the impeller of the supercharger, and achieve good dynamic balance, Improve vibration and noise problems, increase the effect of intake pressure

Active Publication Date: 2021-10-29
WEICHAI POWER CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] Embodiments of the present disclosure provide an engine and a vehicle to solve the problem in the related art that oil droplets in the oil-air mixture gas are easily attached to the inner wall of the intake pipe or the impeller of the supercharger

Method used

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  • Engine and Vehicle
  • Engine and Vehicle
  • Engine and Vehicle

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Embodiment Construction

[0046] In order to make the purpose, technical solutions and advantages of the embodiments of the present disclosure clearer, the technical solutions in the embodiments of the present disclosure will be clearly and completely described below in conjunction with the drawings in the embodiments of the present disclosure. Obviously, the described embodiments It is a part of the embodiment, but not all of the embodiments. Based on the embodiments of the present disclosure, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the embodiments of the present disclosure. In the case of no conflict, the following embodiments and features in the embodiments can be combined with each other.

[0047] In the embodiments of the present disclosure, unless otherwise specified, the terms "installation", "connection", "connection", "fixation" and other terms should be interpreted in a broad sense, for example, it can...

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Abstract

Embodiments of the present disclosure provide an engine and a vehicle, which belong to the technical field of engines. It aims to solve the problem that oil droplets in the crankcase are easy to adhere to the inner wall of the intake pipe or the impeller of the supercharger when the oil-air mixture in the crankcase passes through the intake pipe, which affects the performance of the engine. The engine includes an air compressor, an engine intake pipe and a crankcase, the crankcase communicates with the air inlet of the air compressor through a first pipeline, and the first pipeline communicates with the engine intake pipe through a second pipeline; the second pipeline is provided with A control valve, the control valve is used to allow the gas in the first pipeline to enter the second pipeline when the pressure in the first pipeline is greater than or equal to the first predetermined pressure, and the control valve is also used to allow the gas in the first pipeline to be less than or equal to the first predetermined pressure Gas in the second conduit is allowed to enter the first conduit when equal to the second predetermined pressure. The oil-air mixture is output to the air compressor through the first pipeline, thereby reducing the oil-air mixture entering the engine intake pipe.

Description

technical field [0001] Embodiments of the present disclosure relate to the technical field of engines, and in particular, to an engine and a vehicle. Background technique [0002] The engine includes a body, which is provided with a connected cylinder and a crankcase. The piston is arranged in the cylinder to isolate the working chamber of the cylinder and the crankcase. The crankcase is connected with an oil pan so that the crankcase forms a sealed space. Since the piston and the inner wall of the cylinder cannot be absolutely sealed, part of the oil-gas mixture in the working chamber of the cylinder enters the crankcase, resulting in an increase in the pressure in the crankcase. [0003] In the related art, in order to balance the pressure in the crankcase, the crankcase is communicated with the intake pipe of the engine, so that the oil-air mixture in the crankcase is discharged into the intake pipe. [0004] However, when the oil-air mixture in the crankcase passes thro...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F02M25/06F01M13/02F01M13/04F02M35/10F02D9/12
CPCF01M13/021F01M13/04F01M2013/027F02D9/12F02M25/06F02M35/10006F02M35/10157F02M35/10222F02M35/1038
Inventor 乔海周张有李彩云
Owner WEICHAI POWER CO LTD
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