piston surface

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• Piston (mécanique) — Pour les articles homonymes, voir Piston. Un piston permet la conversion d une pression en un travail ou réciproquement. En mécanique, un piston est une pièce …   Wikipédia en Français

• piston dome — The top surface of a piston. It is often shaped for better combustion and to prevent a valve from contacting the surface. Also called piston crown. See piston head …   Dictionary of automotive terms

• Piston (optics) — In optics, the term piston is the mean value of a wavefront or phase profile across the pupil of an optical system. The piston coefficient is typically expressed in wavelengths of light at a particular wavelength. Its main use is in curve fitting …   Wikipedia

• surface hardening — ▪ metallurgy       treatment of steel by heat or mechanical means to increase the hardness of the outer surface while the core remains relatively soft. The combination of a hard surface and a soft interior is greatly valued in modern engineering… …   Universalium

• piston skirt expanding — Enlarging the diameter of the piston skirt by inserting an expander, by knurling the outer skirt surface, or by peening the inside of the piston …   Dictionary of automotive terms

• surface carburetor — Carburetor Car bu*ret or, Carburettor Car bu*ret tor, n. 1. (Chem.) An apparatus in which coal gas, hydrogen, or air is passed through or over a volatile hydrocarbon, in order to confer or increase illuminating power. [Written also… …   The Collaborative International Dictionary of English

• Surface condenser — Condenser Con*dens er, n. 1. One who, or that which, condenses. [1913 Webster] 2. (Physic) (a) An instrument for condensing air or other elastic fluids, consisting of a cylinder having a movable piston to force the air into a receiver, and a… …   The Collaborative International Dictionary of English

• Jupe de piston — ● Jupe de piston surface latérale d un piston, qui assure son guidage à l intérieur du cylindre …   Encyclopédie Universelle

• Axial piston pump — An axial piston pump is a positive displacement pump that has a number of pistons in a circular array within a cylinder block. It can be used as a stand alone pump, a hydraulic motor or an automotive air conditioning compressor. Contents 1… …   Wikipedia

• Moteur à piston — Moteur à explosion Le moteur à explosion est un moteur à combustion interne principalement utilisé pour la propulsion des véhicules de transport (avion à hélice, automobile, moto, camion, bateau), pour une multitude d outils mobiles (tronçonneuse …   Wikipédia en Français

• jupe — [ ʒyp ] n. f. • 1603; « pourpoint d homme » 1188; ar. djubbah 1 ♦ Partie de l habillement féminin qui descend de la ceinture à une hauteur variable. Jupe de dessous (vx). ⇒ jupon. Jupe longue traînant par terre. Jupe à mi mollet. Jupe au genou.… …   Encyclopédie Universelle