Fuel injection valve

Fuel injection valve

  • CN 102,713,245 A
  • Filed: 12/06/2010
  • Published: 10/03/2012
  • Est. Priority Date: 01/08/2010
  • Status: Active Application
First Claim
Patent Images

1. Fuelinjection nozzle that is used for the fuel injection apparatus of internal-combustion engine;

  • Be particularly useful for injecting fuel directly in the firing chamber;

    Wherein, said Fuelinjection nozzle (1) has at least one actuator that can encourage and one along the movable valve element of valve longitudinal axis (27), said valve element and valve seat (28) acting in conjunction hermetically;

    And on the ejection side end (17) of this Fuelinjection nozzle (1), has nozzle body (18);

    Wherein, a plurality of circulating areas (26) are set on periphery, between said circulating area (26), arrange the guiding area (30) that is used for said valve element respectively at the upper reaches of said valve seat (28);

    Have spray-hole (32) in the downstream of said valve seat (28), the quantity of said spray-hole (32) is different with the quantity of said circulating area (26).

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