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Engine system

An engine system and engine technology, applied in engine components, engine control, combustion engine, etc., can solve problems such as low responsiveness, limitations of electric superchargers, etc., and achieve high responsiveness, high compression ratio, and reduced back pressure Effect

Active Publication Date: 2017-07-18
HYUNDAI MOTOR CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0009] In general, a turbocharger operated by exhaust gas (hereinafter referred to as a 'mechanical turbocharger') has low responsiveness and has problems in realizing an engine with a high compression ratio due to high back pressure
[0010] In addition, since the output power of the motor can be limited according to the output of the battery provided in the vehicle, the use of the electric supercharger can be limited to low and medium speed regions

Method used

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Embodiment Construction

[0030] Hereinafter, the present disclosure will be described more fully with reference to the accompanying drawings, in which exemplary embodiments of the present disclosure are shown. As those skilled in the art would realize, the described embodiments may be modified in various different ways, all without departing from the spirit or scope of the present disclosure.

[0031] In the description of the present disclosure, parts irrelevant to the description will be omitted. In this specification, like reference numerals generally refer to like elements.

[0032] In addition, the size and thickness of each configuration shown in the drawings may be arbitrarily shown for better understanding and ease of description, but the present disclosure is not limited thereto. In the drawings, the thickness of layers, films, panels, regions, etc., may be exaggerated for clarity.

[0033] Hereinafter, an engine system according to an exemplary embodiment of the present disclosure will be ...

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Abstract

An engine (10) system includes an engine (10) including a plurality of cylinders generating driving torque by combustion of fuel, a cylinder deactivation apparatus (CDA) disposed at one or more of the plurality of cylinders for selectively deactivating the one or more of the plurality of cylinders, a first exhaust manifold (31) connected to cylinders at which the CDA apparatus is disposed, a second exhaust manifold (35) connected to cylinders at which the CDA apparatus is not disposed, a turbocharger (40) including a turbine (41) rotated by exhaust gas exhausted from the first exhaust manifold (31), and further including a compressor (43) rotated together with the turbine (41) for compressing air supplied to the cylinders, and an electric supercharger (50) including a motor (51) and an electric compressor (53) operated by the motor (51) for supplying compressed air to the cylinders.

Description

[0001] Cross References to Related Applications [0002] This application claims the benefit of priority from Korean Patent Application No. 10-2015-0174277 filed with the Korean Intellectual Property Office on December 8, 2015, the entire contents of which are hereby incorporated by reference. technical field [0003] The present disclosure relates to engine systems. More particularly, the present disclosure relates to an engine system having a turbocharger and an electric supercharger and deactivating some cylinders using a cylinder deactivation device (CDA) according to a driving range. Background technique [0004] The engine properly mixes air and fuel and generates driving power by burning the mixture. [0005] In order to obtain the required output power and combustion efficiency, sufficient air must be supplied to the engine. To this end, turbochargers are used to increase combustion efficiency and supply sufficient air to the engine. [0006] Generally, a turbine ...

Claims

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Application Information

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IPC IPC(8): F02D17/02F02B37/04F02B37/12F02B39/10
CPCF02B37/04F02B37/12F02B39/10F02D17/02F01N13/107F02B33/40F02D23/00F02D41/0007F02D41/0087F02D2250/18F02B37/162Y02T10/12F02B75/18F02B2075/1816
Inventor 韩东熙李周沅李炯馥秋东昊朴钟一
Owner HYUNDAI MOTOR CO LTD
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