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INJECTION PISTON [6 records]

Filter results by subject field Alphabetical list of terms

Filter results by subject field

Alphabetical list of terms

Record 1 2021-05-25

English

Subject field(s)
  • Medical and Surgical Equipment
  • Injections, Tubing and Transfusions (Medicine)
DEF

A hollow cylindrical instrument fitted with a piston or compressible bulb device such that liquids may be drawn in by creating suction and forcibly expelled as desired, and utilized for injection, withdrawal, or transfer of fluids.

French

Domaine(s)
  • Équipement médico-chirurgical
  • Injections, tubages et transfusions (Médecine)
DEF

Instrument en verre, en métal ou en plastique destiné à injecter ou à prélever un liquide dans les tissus ou les cavités naturelles.

OBS

[Une seringue est constituée] d'un piston et d'un corps de pompe auquel s'adapte une canule ou une aiguille creuse.

Spanish

Campo(s) temático(s)
  • Equipo médico y quirúrgico
  • Inyecciones, intubación y transfusiones (Medicina)
DEF

Instrumento de uso común que se utiliza para introducir o extraer sustancias líquidas del cuerpo a través de una aguja hueca, empujando o aspirando dichas sustancias desde o hacia un pequeño depósito.

Save record 1

Record 2 2005-09-19

English

Subject field(s)
  • Diesel Motors
  • Engines (Motor Vehicles)
CONT

In an indirect injection diesel engine, fuel is injected into a small prechamber which is connected to the cylinder by a narrow opening. The initial combustion takes place in this prechamber. This has the effect of slowing the rate of combustion, which tends to reduce audible noise. In a direct injection diesel engine, fuel is injected directly into the cylinder. The piston incorporates a depression(often toroidal) which is where initial combustion takes place. Direct injection diesel engines are generally more efficient than indirect injection engines, but have a tendency to produce greater amounts of audible noise. In either case the location where combustion takes place, called a swirl chamber, is carefully designed to ensure adequate mixing of the atomized fuel with the compression-heated air.

French

Domaine(s)
  • Moteurs diesel
  • Moteur (Véhicules automobiles)
CONT

Le fonctionnement du moteur Diesel à injection directe est entièrement basé sur l'auto-allumage du combustible dans l'air fortement chauffé par la compression.

OBS

Les renseignements provenant de la source NUT-3 (Véhicules automobiles, lexique anglais-français) sont reproduits avec l'autorisation de l'Office des Nations-Unies à Genève.

OBS

On écrirait mieux «diésel».

OBS

diésel : Cette graphie, puisée des Rectifications de l'orthographe recommandées par le Conseil supérieur de la langue française, est attestée dans le Petit Robert (2004).

Spanish

Save record 2

Record 3 2004-12-10

English

Subject field(s)
  • Engines (Motor Vehicles)
OBS

Direct injection(DI) refers to fuel injected directly into the combustion chamber above the piston. Direct injection has long been used on large diesel engines. Smaller diesels are increasingly adopting direct injection(vs. indirect injection into a pre-chamber). Direct injection also can be used in spark ignition(generally gasoline) engines instead of port fuel injection-for cleaner emissions, increased full throttle power and potentially for lean-burn operation.

Key term(s)
  • direct-injection engine

French

Domaine(s)
  • Moteur (Véhicules automobiles)
DEF

Moteur à combustion interne dans lequel le carburant est injecté sous pression directement dans la chambre de combustion.

OBS

À noter que les moteurs à injection directe peuvent utiliser du diesel ou de l'essence.

Spanish

Save record 3

Record 4 2001-01-19

English

Subject field(s)
  • Ignition Systems (Motor Vehicles)
  • Engines (Motor Vehicles)
DEF

An ignition method used in diesel engines by which the air in the cylinder is compressed to a large degree by the piston such that ignition occurs upon the injection of fuel.

French

Domaine(s)
  • Allumage (Véhicules automobiles)
  • Moteur (Véhicules automobiles)

Spanish

Campo(s) temático(s)
  • Sistemas de encendido (Vehículos automotores)
  • Motores (Vehículos automotores)
Save record 4

Record 5 1998-04-01

English

Subject field(s)
  • Foundry Practice
DEF

The plunger that fits in shot sleeve and forces the molten metal into the die.

Key term(s)
  • injection piston
  • injection ram

French

Domaine(s)
  • Fonderie
DEF

Piston qui force le métal contenu dans la chambre d'injection à pénétrer dans l'empreinte.

Spanish

Save record 5

Record 6 1976-06-19

English

Subject field(s)
  • Mechanical Components

French

Domaine(s)
  • Composants mécaniques

Spanish

Save record 6

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