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INJECTION BEGINNING [5 records]

Record 1 2003-02-12

English

Subject field(s)
  • Diesel Motors
  • Fueling Systems (Motor Vehicles)
DEF

An injector which is camshaft-driven and incorporates a plunger. The plunger works in conjunction with orifices in the injection body to determine the beginning and end of injection. The plunger has a helix and is rotated by a rack so the beginning and end of injection can occur closer together or farther apart, thus shortening or lengthening the injection period and changing metering. A special pump which supplies fuel through an orifice to the injector operates at a pressure which is precisely controlled depending on the changes in engine speed.

Key term(s)
  • pump injection nozzle
  • pump nozzle

French

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

Injecteurs-pompes. Chaque injecteur fonctionne comme une pompe individuelle à haute pression dont le piston constitué par l'aiguille elle-même est commandé par une came.

OBS

Système d'injection des moteurs diesel.

Key term(s)
  • injecteur pompe

Spanish

Save record 1

Record 2 2002-03-05

English

Subject field(s)
  • Plastics Manufacturing
CONT

Multi Material Moulding. Two raw material injection moulding: In this process, two materials are injected consecutively into two different mould cavities through separate nozzles to produce a moulded part. First one component is injected, then this part is transferred to another cavity by turning or pushing out part of the mould or by transferring the moulding into another mould, then the second component is injected. During composite injection moulding (Combiform), the second cavity is vacated by actuating a movable core. Two component injection moulding: In this process, two materials are injected through a nozzle into a mould cavity, resulting in a moulding with a clear separation between skin and core component. This process is also referred to as sandwich injection moulding.

OBS

Today the dividing line between [the] expressions ["two raw material injection moulding" and "two component injection moulding"] has become blurred as a result of the constant further development of the processes, new ideas and mould developments. In particular, two component injection moulding is also used as a term for the field of two raw material injection moulding(two shot moulding). The terms must therefore be clearly defined at the beginning of project discussions.

CONT

A brand new range of machines for multi-material moulding is now available due to the modular concept of the CANBIO line. Negri Bossi is producing this range of machines to meet the increasing requirements of the market for "multi-shot" and "multi-colour" mouldings.

CONT

Gas-assist and multiple-material molding are among the hottest value-adding developments to hit injection molding in years.

Key term(s)
  • multi-material molding
  • multi material molding
  • multimaterial molding
  • multiple material moulding
  • multiple material molding
  • multiple-material moulding

French

Domaine(s)
  • Plasturgie
CONT

[...] fabrication de pièces et de sous-ensembles plastiques élaborés par injection, surmoulage, moulage multi-matières, injection, soufflage, assemblage.

OBS

On trouve aussi les expressions «machines multi-matières» et «coextrusion multi-matières».

Spanish

Save record 2

Record 3 1988-04-30

English

Subject field(s)
  • Oil Production
CONT

The authors presented an equation to calculate the size of the swept area at any time since the beginning of steam injection.

French

Domaine(s)
  • Production pétrolière
CONT

[...] si le fluide doit être injecté à taux constant, [...] la pression d'injection va varier durant le balayage. Si la mobilité du fluide déplaçant est plus grande que celle du fluide déplacé le gradient de pression dans la zone balayée est plus faible que dans la zone vierge.

CONT

Zone balayée par le front.

Spanish

Save record 3

Record 4 1985-08-21

English

Subject field(s)
  • Diesel Motors
Key term(s)
  • injection beginning
  • injection start
  • injection starting
  • fuel injection start
  • fuel injection beginning

French

Domaine(s)
  • Moteurs diesel
CONT

Néanmoins, un certain temps mesurable s'écoule entre le début de l'injection et le début de la combustion.

Spanish

Save record 4

Record 5 1981-04-28

English

Subject field(s)
  • Servicing and Maintenance (Motor Vehicles and Bicycles)
OBS

A sensor for diagnostic purposes, the signal of which corresponds to the beginning of the reference cylinder ignition pulse in the case of a spark ignition engine, or to the beginning of the reference cylinder injection in the case of a compression ignition engine.

French

Domaine(s)
  • Entretien et réparation (Véhicules automobiles et bicyclettes)
OBS

Capteur dont le signal correspond au début de l'allumage dans le cylindre de référence d'un moteur à allumage commandé, ou au début de l'injection dans celui d'un moteur à allumage par compression.

Spanish

Save record 5

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