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Engine system based on turbo charger and fuel ratio improving method thereof

A technology of turbocharger and engine system, which is applied to machines/engines, engine components, combustion engines, etc., can solve the problems of extremely difficult to use turbochargers at the same time, complicated configuration of the engine system, and limited layout of the engine room, etc. Easy to optimize control, reduce fuel consumption, prevent the effect of layout deterioration

Active Publication Date: 2012-11-14
HYUNDAI MOTOR CO LTD
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  • Abstract
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  • Claims
  • Application Information

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Problems solved by technology

[0017] However, when the operation is carried out using a turbocharger, a supercharger, and LP-EGR having individual operating characteristics, it is difficult to achieve optimal control capable of improving the synergistic effect of these devices, and equipped with a supercharger and a The configuration of the engine system of LP-EGR will inevitably become complicated
[0018] The complex engine system significantly limits the layout of the engine compartment, making it extremely difficult to use the turbocharger, supercharger and LP-EGR at the same time

Method used

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  • Engine system based on turbo charger and fuel ratio improving method thereof
  • Engine system based on turbo charger and fuel ratio improving method thereof
  • Engine system based on turbo charger and fuel ratio improving method thereof

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Embodiment Construction

[0046] Reference will now be made in detail to various embodiments of the invention, examples of which are illustrated in the accompanying drawings and described below. While the invention will be described in conjunction with exemplary embodiments, it will be appreciated that present description is not intended to limit the invention to those exemplary embodiments. On the contrary, the invention is intended to cover not only the exemplary embodiments but also various alternatives, modifications, equivalents and others which may be included within the spirit and scope of the invention as defined by the appended claims. implementation.

[0047] Exemplary embodiments of the present invention will be described in detail below with reference to the accompanying drawings, and these exemplary embodiments can be implemented in various ways by those skilled in the art, and the present invention is not limited to these exemplary embodiments.

[0048] refer to figure 1 As shown, the ...

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Abstract

The present invention discloses an engine system based on a turbo charger and a fuel ratio improving method thereof. The engine system may include an electric or mechanical supercharger and an LP-EGR, basically with a turbocharger, an EGR valve, a channel control valve, and a bypass valve, which control the flow rate of external air and exhaust gas, may be integrally operated, and a operation section may be divided into a turbo-lag and low torque section, a mid-load section, and mid / high-load section such that the open amount of EGR valve, channel control valve, and bypass valve may be optimally controlled, such that it may be possible to improve availability for a low-speed / high-load section with turbo-lag reduced, using supercharger and considerably increase the ratio of fuel efficiency improvement in the low-speed / high-load section, using LP-EGR operating with supercharger.

Description

[0001] Cross References to Related Applications [0002] This application claims priority from Korean Patent Application No. 10-2011-0043833 filed on May 11, 2011, the entire contents of which are hereby incorporated by reference for all purposes. technical field [0003] The present invention relates to a kind of engine system based on turbocharger (turbocharger), more particularly, the present invention relates to a kind of engine system based on turbocharger and a kind of using this engine system based on turbocharger to improve fuel Efficiency-based approach, this turbocharger-based engine system optimizes the synergy of multiple discrete devices used to enhance engine performance by combining the functions of these devices without detracting from the engine compartment layout. Background technique [0004] Generally, vehicles are equipped with various devices for improving engine performance and fuel efficiency. [0005] A turbocharger, which is a typical device, contr...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F02M25/07F02B37/00
CPCF01D17/141F02B37/04Y02T10/144F02B37/16Y02T10/14F02M35/108F02C7/057F02M25/0711F02M35/10163F02M25/0713F02C6/12Y02T10/121F02M25/0724F02B29/0406F02M25/0786F02M26/08F02M26/10F02M26/21F02M26/64Y02T10/12F02B33/34F02B37/00F02B37/12
Inventor 韩东熙秋东昊金润柱朴钟一金鸿执韩胜国任爀
Owner HYUNDAI MOTOR CO LTD
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