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Fuel injection valve

  • US 6,357,676 B1
  • Filed: 11/15/2000
  • Issued: 03/19/2002
  • Est. Priority Date: 12/02/1998
  • Status: Expired due to Fees
First Claim
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1. A fuel injection valve having a valve longitudinal axis, the fuel injection valve comprising:

  • a fixed valve seat;

    a valve needle movable along the valve longitudinal axis, the valve needle including at least one closing body support and a substantially spherical valve closing body, the valve closing body being solidly attached to them closing body support, the valve closing body cooperating with the fixed valve seat, the closing body support including an inner longitudinal bore extending up to a surface of the valve closing body; and

    an actuator for actuating the valve needle;

    wherein the valve closing body includes at least one flattened zone having an axial extension component on a surface thereof and wherein at least one channel for a flow of fuel is formed between the at least one flattened zone and an inner wall of the closing body support.

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