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piston    音標拼音: [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
    A piston is a block capable of pushing entities and most blocks when given a redstone signal A sticky piston is a variant of the piston that can additonally pull most blocks when it retracts Some blocks cannot be moved, break when pushed or have other interactions with pistons A piston can
  • What is Piston? | How does a Piston work? - Mechanical Boost
    What is a Piston? 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
  • 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 contained by a cylinder and is made gas-tight by piston rings
  • Piston: Parts, Types of Pistons and Working Principle (PDF)
    In this article, you'll learn about the piston, types of pistons, piston clearance, Piston head or shape and high performing pistons
  • 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'
  • What Is A Piston? How Does It Work? - Science ABC
    Pistons are cylindrical machine components that perform reciprocating motion in a pressure-tight tube, to either impart or derive motion We’ve all come across syringes at some point in life, the instruments used by doctors to inject medicine to ward off the invisible threats continually attempting to prey on us
  • 7 Parts of Piston and Their Functions [Complete Guide]
    What is a Piston? The Piston is a moving part or piece of the combustion chamber It is responsible for changing over (converting) the energy which is released during the combustion process and converted into mechanical work Your piston should have high reliability and flexibility, however its weight should be as low as possible
  • Piston: Definition, Components or Parts, Types, Material, Function . . .
    Hey Engineer, In this article, I will be discussing Piston in which Definition, Components or Main Parts, Types, Material, Function, and Property Note: You can download whole article PDF version at the end A piston is a disc that reciprocates (up and down) inside the cylinder
  • Piston and cylinder | Engineering, Mechanics Applications | Britannica
    piston and cylinder, in mechanical engineering, sliding cylinder with a closed head (the piston) that is moved reciprocally in a slightly larger cylindrical chamber (the cylinder) by or against pressure of a fluid, as in an engine or pump





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