Multifunction ignition device integrated with spark plug

Abstract

The object of the present invention is to provide a spark plug-integrated multifunctional ignition device. In the spark plug-integrated combustion device, the spark plug, ignition coil, and fuel injection device are integrated into one frame to save space. And it can realize the high-efficiency combustion design of the engine, and at the same time, the electrode of the spark plug can be replaced, which avoids the waste of spark plug maintenance. The multifunctional ignition device according to the present invention is an ignition device including an ignition coil directly connected to a spark plug top of an internal combustion engine, and adopts the following configuration, that is, the ignition coil, fuel injection valve, and fuel injection nozzle It is installed in a frame, and the center electrode and the ground electrode of the spark plug are detachably installed at the lower end of the frame.

Description

technical field [0001] The present invention relates to an ignition device which is directly attached to a cover of an engine of an independent ignition system in an ignition device of an engine of an automobile or the like. Background technique [0002] Recently, with the need for higher performance of automobiles, since many electrical products such as sensors are installed around the engine, it is necessary to effectively secure the space in the engine room. Therefore, reducing the installation space of the internal combustion engine, including miniaturization of the internal combustion engine itself, has become a major design problem. In conventional combustion systems with independent ignition, spark plugs, ignition coils, and direct injection nozzles are all concentrated in a narrow area, reducing the degree of freedom of design around the cylinder head and hindering efficient combustion design of the engine. Therefore, space reduction is attempted by integrating thes...

AI Technical Summary

Problems solved by technology

If this method is used, it can be downsized, but it does not have a fuel injection function, so there is a problem that a fuel injection device needs to be prepared separately

[0005] In addition, the devices disclosed in the above-mentioned Patent Documents 1 and 2 all have a structure in which the spark plug is not detachably integrated with the housing, and when the electrode of the spark plug is replaced when the electrode is worn out, the fuel injection that has no durability problem has to be performed. Replacement of other functional parts such as devices, so maintainability is poor and wasteful

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