The Encyclopedic Expert on Coatings and Resins
Based in the United Kingdom, this author is renowned for their profound knowledge and expertise in the field of coatings and resins. With years of experience delving into the intricacies of these materials, they have established themselves as a trusted voice in the industry, known for penning comprehensive and insightful entries on various related topics. Their work often appears in encyclopedias and other reference materials, providing readers with accurate and up-to-date information that demystifies even the most complex aspects of coating technology and resin chemistry. This author's writing style combines technical precision with readability, ensuring that both professionals and laypeople alike can benefit from their wealth of knowledge. Whether discussing the latest advancements in waterborne coatings or explaining the nuances of different types of synthetic resins, this UK-based expert consistently offers valuable insights backed by.
A four-cycle engine, also known as a four-stroke engine, operates with four basic steps to convert gasoline into motion: intake, compression, combustion, and exhaust. Here is the process in detail:
1. Intake (Induction or Inlet) Stroke: The inlet valve opens and the piston moves downward, sucking in a mixture of fuel and air into the cylinder.
2. Compression Stroke: The inlet valve closes and the piston moves upward, compressing the fuel-air mixture. This prepares the mixture for ignition and increases the power that the engine can produce.
3. Combustion (Ignition) Stroke: The spark plug ignites the compressed fuel-air mixture, causing a mini explosion. This explosion forces the piston downward, creating the power that moves the vehicle. This is also sometimes called the power stroke.
4. Exhaust Stroke: The exhaust valve opens, and the piston moves upward again, expelling the exhaust gases created from the combustion out of the cylinder.
After this, the cycle starts over again. The whole process happens hundreds or thousands of times per minute.
This process is the same, although the details may vary, for almost all gasoline engines.
The main advantage of four-stroke engines is that they generate less pollution and more torque than two-stroke engines. They're also more fuel efficient.
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