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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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  • 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 enclosed in a cylinder and made gas-tight by piston rings
  • Piston : What is It and What Does it Do? - Haynes Manuals
    The piston pushes upward compressing the fuel and air into a much smaller space in the cylinder head, where it is then ignited by the spark plug The resulting explosion forces the piston downward, creating exhaust gases
  • 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
  • 7 Parts of Piston and Their Functions [Complete Guide]
    7 Parts of Piston and Their Functions [Complete Guide]: – In an internal combustion engine, a piston is perhaps one of the best parts that assist the working of the combustion cycle The engine part is enclosed or encased in a cylinder block which uses a piston ring to give no space for gas to escape
  • Piston Meaning: Types, Uses, And How They Work - Mech Forged
    How a Piston Works: Understanding Its Function A piston is a crucial component in an internal combustion engine, moving up and down inside a cylinder to generate power It converts the energy from burning fuel into mechanical motion, which ultimately drives the vehicle
  • What Is A Piston? How Does It Work? - Science ABC
    The piston body consists of two integral components: a crown and a skirt The piston crown is the uppermost surface of the piston, which comes in contact with the fluid Pressurization is achieved by the movement of the piston head towards the topmost position
  • PISTON Definition Meaning - Merriam-Webster
    The meaning of PISTON is a sliding piece moved by or moving against fluid pressure which usually consists of a short cylindrical body fitting within a cylindrical chamber or vessel along which it moves back and forth





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