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Tappet Meaning: Definition, Examples, and Translations

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tappet

[ˈtÃĶp.ÉŠt ]

Definition

Context #1 | Noun

mechanical component

A tappet is a mechanical component used in an engine to transfer motion from a camshaft to a valve. It typically consists of a small block that moves up and down in a linear motion, allowing for the precise opening and closing of engine valves. Tappets are crucial in ensuring that an engine runs smoothly and efficiently, as they affect the timing and duration of valve openings. There are various types of tappets, including hydraulic and solid types, each serving different functions in the operation of internal combustion engines.

Synonyms

cylinder head component, valve lifter.

Examples of usage

  • The tappet adjustment is critical for engine performance.
  • He replaced the worn tappet in his car.
  • The noisy tappets indicated a need for maintenance.

Translations

To see the translation, please select a language from the options available.

Interesting Facts

Engineering

  • Tappets are crucial in internal combustion engines as they ensure that the valves open and close at the right time for the engine to function properly.
  • They are often made from durable materials like steel or hardened aluminum to withstand high pressure and friction.
  • An incorrectly functioning tappet can cause engine noise and performance issues, highlighting the importance of maintenance.

Automotive Culture

  • In classic car restoration, tappets are a focus area for enthusiasts, as they can affect the overall performance and sound of the vehicle.
  • Some car clubs even host tapping competitions to test and showcase engine precision and tuning skills.

Science

  • The design and function of tappets are rooted in physics, particularly in mechanics, where they utilize lever principles for precise movements.
  • Advancements in tappet design, such as hydraulic tappets, have significantly improved engine efficiency and reduced maintenance needs.

Literature

  • Tappets rarely appear directly in literary works but symbolize technical precision and the underlying complexity of modern machinery.
  • Authors often use machinery as metaphors for emotional and social mechanics in their narratives, making parts like tappets a metaphor for balance in life.

Origin of 'tappet'

Main points about word origin

  • The word originates from the early 19th century, derived from the Latin word 'tapet', which means a small carpet or mat, alluding to a piece that fits into a larger system.
  • In English, it has been associated with mechanical workings, first noted in engineering texts in the 1800s.

The word 'tappet' originates from the late 19th century, deriving from the Middle English word 'tapet', which meant 'a small piece' or 'tab'. This earlier term itself likely came from Old French 'tapis', meaning 'carpet' or 'covering'. In mechanical terms, tappets have been used in various machines, particularly engines, where they play an important role in the functioning of moving parts. The design and function of tappets have evolved alongside advancements in engine technology, but the basic concept remains integral to how engines operate, ensuring that air and fuel intake and exhaust processes occur at the right time.

Word Frequency Rank

This word's position of #31,744 indicates it's among the more rare English words. While understanding it broadens your vocabulary, focus on more common words first.