Spark ignition engine and control method thereof

A spark ignition engine technology, applied in engine control, flame ignition, engine ignition, etc., can solve the problems of long flame spread time and high ignition failure, reduce the possibility of ignition failure and knocking, low cost, and promote burning effect

Active Publication Date: 2014-06-18
HYUNDAI MOTOR CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

As such, spark-ignition engines suffer from various combustion problems: a relatively high probability of misfire, the need for long flame spread times, and the phenomenon of knocking caused by self-ignition of the terminal gases before they reach the flame front

Method used

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  • Spark ignition engine and control method thereof
  • Spark ignition engine and control method thereof

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Embodiment Construction

[0018] Examples of the inventive concept will be described in more detail below with reference to the accompanying drawings. Examples of inventive concepts may, however, be embodied in different forms and should not be construed as limited to the examples set forth herein. Throughout the specification, the same reference numerals may refer to the same elements.

[0019] Hereinafter, a spark ignition type engine according to an embodiment of the present inventive concept will be described in detail with reference to the accompanying drawings.

[0020] refer to figure 1 , a spark ignition engine according to an embodiment of the inventive concept may include: a main combustion chamber 3 formed to inhale a mixture via an inlet port 1; an anterior chamber 5 (prechamber, pre-combustion chamber) arranged to communicate with the main combustion chamber The auxiliary cylinder 7 is arranged to communicate with the main combustion chamber 3 via the front chamber 5; the auxiliary inlet...

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Abstract

The invention discloses a spark ignition engine and a control method thereof. The spark ignition engine includes a main combustion chamber configured to suction a mixture through an intake port, a pre-chamber configured to communicate with the main combustion chamber, an auxiliary cylinder configured to communicate with the main combustion chamber via the pre-chamber, an auxiliary intake passage connecting the auxiliary cylinder and the intake port, an auxiliary piston, and a spark plug configured to ignite the mixture in the pre-chamber. The auxiliary piston is configured to slidably reciprocate in the auxiliary cylinder such that the mixture is suctioned from the intake port via the auxiliary intake passage and the mixture is discharged to the main combustion chamber via the pre-chamber.

Description

[0001] Cross References to Related Applications [0002] This application is based on and claims the benefit of priority from Korean Patent Application No. 10-2012-0142055 filed in the Korean Intellectual Property Office on December 7, 2012, the entire contents of which are hereby incorporated by reference. technical field [0003] The present inventive concept relates generally to a spark ignition engine, and more particularly, to a spark ignition engine in which an ignited flame propagates to combust a mixture before reaching a combustion chamber. Background technique [0004] Internal combustion engines can be classified into spark ignition engines, such as gasoline engines, which are equipped with a spark plug and promote the combustion of the mixture by a separate ignition spark, and compression ignition engines, which inject fuel into the combustion chamber Combustion is facilitated by the spontaneous combustion of fuel in compressed air. [0005] In a spark ignition ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F02B19/06F02B19/12F02B19/16F02M61/14F02P21/02F02D37/02
CPCY02T10/125F02B19/12F02B19/06Y02T10/12F02B19/18
Inventor 李源峻禹秀亨孔镇国
Owner HYUNDAI MOTOR CO LTD
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