Niterra, owner of the brands NGK and NTK, Reveals 4 Benefits of Glow Plugs in Diesel Engines

Second company expert, They provide a reduction in white smoke and pollutant emissions and failures in the cold phase of the engine, as well as easier cold start

São Paulo, November 2023 – A Niterra, Japanese multinational owner of the NGK and NTK brands and specialized in components for ignition systems and automotive sensors, highlights the four main benefits of using glow plugs in diesel engines:

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1 - Ease of cold start

2 - Reduction of white smoke emission

3 - Reduction in pollutant emissions

4 – Reduction of the possibility of failures in the cold phase of the engine

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Essential for facilitating cold start and improving performance during the cold phase of diesel engines, Heater plugs play a key role, especially in smaller ones with a lower compression ratio and noise and vibration indices. Large diesel engines with industrial and commercial applications, on the other hand, use other cold start systems.

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The operation of these components works as follows: When the diesel engine is cold, there is a loss of heat generated by air compression due to the fact that the parts that make up the engine are cold and absorb part of this heat, making it difficult to burn the fuel, and, consequently, Starting the engine. Cold start represents one of the most critical moments during your daily use - At that moment, Warming candles come into play, providing an additional source of heat, Making it easy to start.

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In addition to having this function, which is widely known by mechanics, Heater plugs act post-start, also known as the cold phase of the engine. "They maintain this temperature for a period of three to five minutes after the match, Ensuring, so, the smooth and reliable operation of the engine and preventing possible failures due to low temperatures", explains Hiromori Mori, Niterra Technical Assistance Consultant.

Candles, metal and ceramic

Spark plugs have a specific application depending on the engine generation. In the older ones, happens when we trigger the contact. On the other hand, in the most recent, with electronic control, The system monitors the engine temperature and triggers the spark plugs only when necessary, avoiding unnecessary energy consumption.

In this way, Candles can be divided into two main types: Metal, which have a strength of metallic material, or bimetallic, Made of two different metals and self-regulating; and ceramics, more modern and applied in high-end vehicles that use ceramic material resistance to heat with the passage of electric current.

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"Niterra continues to work to meet the needs of different vehicle models with high-tech products. That is why, The company has a wide range of ceramic and metal heater plugs with applications aimed at various types of diesel engines", says Mori.