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Supercharged internal combustion engine having compressor and guide device arranged upstream of compressor

A technology of internal combustion engine and guiding device, which is applied in the direction of internal combustion piston engine, combustion engine, machine/engine, etc., can solve the problems of compressor response performance degradation, etc., and achieve the effects of reducing emissions, preventing damage, and high recirculation rate

Pending Publication Date: 2020-06-16
FORD GLOBAL TECH LLC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Since the heavy shroud must be accelerated and decelerated with the rotating impeller, the responsiveness of the compressor is degraded in a non-negligible manner

Method used

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  • Supercharged internal combustion engine having compressor and guide device arranged upstream of compressor
  • Supercharged internal combustion engine having compressor and guide device arranged upstream of compressor
  • Supercharged internal combustion engine having compressor and guide device arranged upstream of compressor

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0086] Figure 1a A schematic diagram showing part of the intake system 1 of a first embodiment of the internal combustion engine together with the guide device 4 is shown partially cut away and viewed in the direction of the shaft 2 a of the compressor 2 . In this regard, Figure 1ais a plan view of the compressor impeller 2b in the direction of the charge air flow.

[0087] Figure 1b with Figure 1c along Figure 1a The marked line A-A and line B-B are shown in the Figure 1a A cross-section of a part of the intake system 1 shown in

[0088] The intake system 1 is used to supply charge air to the cylinders and the compressor 2 is used to pressurize the cylinders and thus the internal combustion engine. The compressor 2 includes an impeller 2b mounted on a rotatable shaft 2a in a compressor casing 2c and provided with impeller blades. The inlet area 3 of the compressor 2 is realized coaxially with the shaft 2a of the compressor 2, so that the part of the intake system 1 u...

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Abstract

The invention relates to a supercharged internal combustion engine having a compressor and a guide device arranged upstream of the compressor, comprising: an intake system; an exhaust gas removal system; at least one compressor including at least one impeller mounted on the rotatable shaft in the compressor housing, and including an inlet region extending and implemented coaxially with the shaft of the compressor; an exhaust gas recirculation system including a recirculation line branching off from the exhaust gas removal system and leading into the intake system to achieve a junction point upstream of the at least one impeller; and a guide device arranged upstream of the at least one compressor wheel in the intake system and also extending at least between the at least one compressor wheel and the joint point; the guide device is characterized in that the guide device comprises an inner sleeve and a plurality of rod-shaped guide elements, and the rod-shaped guide elements spirally extend around the inner sleeve at least in the outer side area.

Description

technical field [0001] The present invention relates to supercharged internal combustion engines having [0002] - air intake system for the supply of charge air, [0003] - Exhaust removal system for removing exhaust, [0004] - at least one compressor arranged in the air intake system to compress a flow of charge air and comprising at least one impeller mounted on a rotatable shaft in the compressor housing and provided with rotor blades, and at least one The compressor comprises an inlet region which extends and is implemented coaxially with the shaft of the compressor, [0005] - an exhaust gas recirculation system comprising a recirculation line branching off from the exhaust gas removal system and opening into the intake system so as to realize a junction upstream of at least one impeller, and [0006] - Guiding means arranged upstream of the at least one compressor wheel in the air intake system and also extending at least between the at least one compressor wheel an...

Claims

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Application Information

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IPC IPC(8): F02B37/00F02B39/16F04D29/44
CPCF02B37/00F02B39/16F04D29/441F02B33/34F02B47/08F04D29/4213F05D2220/40Y02T10/12F02M26/17F02M26/06F02M35/10222F02M35/10262F02M35/10157
Inventor J·克默林A·库斯克F·A·萨默候夫V·斯米利亚诺夫斯基H·金德尔H·弗里德里希斯F·文德利希
Owner FORD GLOBAL TECH LLC