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piston    音标拼音: [p'ɪstən]
n. 活塞,瓣

活塞,瓣

Piston
n 1: United States neoclassical composer (1894-1976) [synonym:
{Piston}, {Walter Piston}]
2: mechanical device that has a plunging or thrusting motion
[synonym: {piston}, {plunger}]

Piston \Pis"ton\, n. [F. piston; cf. It. pistone piston, also
pestone a large pestle; all fr. L. pinsere, pistum, to pound,
to stamp. See {Pestle}, {Pistil}.] (Mach.)
A sliding piece which either is moved by, or moves against,
fluid pressure. It usually consists of a short cylinder
fitting within a cylindrical vessel along which it moves,
back and forth. It is used in steam engines to receive motion
from the steam, and in pumps to transmit motion to a fluid;
also for other purposes.
[1913 Webster]

{Piston head} (Steam Eng.), that part of a piston which is
made fast to the piston rod.

{Piston rod}, a rod by which a piston is moved, or by which
it communicates motion.

{Piston valve} (Steam Eng.), a slide valve, consisting of a
piston, or connected pistons, working in a cylindrical
case which is provided with ports that are traversed by
the valve.
[1913 Webster]


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  • Piston – Minecraft Wiki
    Some blocks cannot be moved, break when pushed or have other interactions with pistons A piston can move up to twelve blocks at once A piston can be broken using any tool with equal efficiency, and always drops itself In Java Edition, it is faster to break them with a pickaxe
  • Piston - Wikipedia
    It is the moving component that is contained by a cylinder and is made gas-tight by piston rings In an engine, its purpose is to transfer force from expanding gas in the cylinder to the crankshaft via a piston rod and or connecting rod
  • What is Piston? | How does a Piston work? - Mechanical Boost
    The piston is a reciprocating mechanical disc that reciprocates forward and backward inside the compression chamber of the engine It transfers its motion to the crankshaft via a connecting rod The performance of an internal combustion engine depends on the piston operation
  • Piston Size Guide with Chart ( 2026 ) for Beginners - Mech Forged
    Understand piston sizes easily with this beginner-friendly guide Includes a detailed piston size chart and tips for choosing the right one for your engine
  • What is a Piston?- Definition, Parts, and Types
    A piston is a component of reciprocating engines, reciprocating pumps, gas compressors, hydraulic cylinders, and pneumatic cylinders, among other similar mechanisms It is the moving component that is enclosed in a cylinder and made gas-tight by piston rings
  • Exploring the Inner Workings of Pistons: A Visual Guide
    Explore a detailed diagram of piston parts and learn about the different components that make up this essential engine part
  • Detroit Pistons - Get the Latest Pistons Scores, Schedule News
    Detroit Pistons live scores, game highlights, latest news, and updates
  • 7 Parts of Piston and Their Functions [Complete Guide]
    In an engine, its purpose is to transfer force from expanding gas in the cylinder to the crankshaft by means of a piston rod or connecting rod The piston is connected or associated with a connecting rod, which is then connected to the crankshaft
  • What Is a Piston?- Functions, Parts, Materials, and Types
    What is a Piston? The piston is found in reciprocating engines, reciprocating pumps, gas compressors, hydraulic cylinders and pneumatic cylinders It is the moving element contained by a cylinder, and sealed by piston rings
  • Piston : What is It and What Does it Do? - Haynes Manuals
    A piston is pretty much just a solid cylinder of metal that moves up and down in a similarly cylindrical hollow in the engine block The piston itself is slightly smaller than the tube it moves in, but it is banded by piston rings under tension that manage to achieve an (nearly) air-tight seal against the inner side of this 'barrel'





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