Hot-bulb engine meaning

A hot-bulb engine is a type of internal combustion engine where the fuel ignites due to the heat generated by a red-hot metal bulb.


Hot-bulb engine definitions

Word backwards blub-toh enigne
Part of speech The word "hot-bulb" is an adjective.
Syllabic division hot-bulb en-gine
Plural The plural of the word hot-bulb engine is hot-bulb engines.
Total letters 13
Vogais (4) o,u,e,i
Consonants (6) h,t,b,l,n,g

A hot-bulb engine, also known as a hot tube engine or tube ignition engine, is a type of internal combustion engine. It was developed in the late 19th century and was commonly used in agricultural, industrial, and marine applications.

Functionality of Hot-Bulb Engine

The hot-bulb engine operates on a heavy oil fuel mixture that is ignited by a preheated combustion chamber. The combustion chamber, known as the "hot bulb," is heated externally before starting the engine. Once the engine is running, the heat from the combustion process maintains the temperature of the hot bulb to ensure continuous ignition of the fuel mixture.

Characteristics of Hot-Bulb Engine

One of the key characteristics of a hot-bulb engine is its simple design and robust construction, making it suitable for use in rugged environments. These engines are known for their reliability and durability, requiring minimal maintenance to keep them operational.

Advantages of Hot-Bulb Engine

One of the significant advantages of a hot-bulb engine is its ability to run on heavy oils, making it a cost-effective option for areas where more refined fuels may be scarce or expensive. Additionally, the slow combustion process in these engines results in lower fuel consumption compared to other types of internal combustion engines.

Application of Hot-Bulb Engine

Hot-bulb engines were commonly used in agricultural machinery, water pumps, generators, and stationary power plants. These engines were particularly popular in rural areas where access to electricity and modern fuel sources was limited.

While hot-bulb engines have largely been replaced by more modern internal combustion engines, they still hold historical significance in the development of engine technology. The simplicity and reliability of hot-bulb engines continue to fascinate engine enthusiasts and historians to this day.


Hot-bulb engine Examples

  1. The hot-bulb engine is a type of internal combustion engine.
  2. The hot-bulb engine was commonly used in early agricultural machinery.
  3. Hot-bulb engines are known for their reliability and simplicity.
  4. Some hot-bulb engines were designed to run on low-grade fuels.
  5. The invention of the hot-bulb engine revolutionized farming practices.
  6. Hot-bulb engines require preheating before they can start running.
  7. A hot-bulb engine works by igniting fuel in a preheated combustion chamber.
  8. Hot-bulb engines generate power by converting the energy released from fuel combustion.
  9. Hot-bulb engines were eventually phased out as more advanced technologies emerged.
  10. Today, hot-bulb engines are mainly found in museums and private collections.


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  • Updated 10/05/2024 - 14:17:13