Spark plug plus microwave to improve the efficiency of the microwave plasma engine (Figure)
Japan's IMAGINEERING (Headquarters: Kobe City) exhibited the "Microwave Plasma Combustion Engine" at the "32nd Earth Environment and Energy Coordination Exhibition (ENEX2008)" held from January 30 to February 1, 2008. When the engine spark plug is discharged, ignition is achieved by locally irradiating the microwave and generating plasma. It is expected to improve fuel efficiency.
Microwave plasma combustion engine demonstration. It is the plasma that emits blue and white light. In the device, the microwave is irradiated from the underside of the spark plug
The principle of a microwave plasma combustion engine is to irradiate a nearby microwave plug with a 2.45 GHz microwave generated by a magnetron for a microwave oven. When the spark is applied for discharge when the local electric field strength is increased, the plasma is increased by this. At this time, a large amount of OH atoms are generated, and ignition and propagation of the flame are performed by strong oxidizing power. When the fuel is thinner, it can be stably burned, and the fuel efficiency is expected to increase by about 10%.
Simulate the test device inside the existing engine. The plasma glows in the center. Spark plugs use dedicated products with built-in microwave transmission construction
A special spark plug that can be mounted to an existing engine. Same shape as the original spark plug, but using a coaxial cable to transmit the microwave to the front end of the spark plug
In order to illuminate the front section of the spark plug, a spark plug in which an antenna is embedded has also been developed. In addition to the spark plug, microwave plasma burning is achieved without modifying the existing engine. Use a coaxial cable to transmit microwaves to the antenna. The power consumption is only about 10 to 20W, and it is powered by the car battery. The main problems are: how to reduce the volume of the magnetron and improve the durability of the spark plug. It is estimated that it will be put into production as early as 2012. At present, it is being negotiated with automobile manufacturers for joint development to enter the practical stage as soon as possible.
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