Fuel injector with simplified assembly, Through an undivided valve cover
OwnerWerner Wagner, Siegfried Ruthardt +2inventors
InventorsWerner Wagner, Siegfried Ruthardt, Hermann Koch-Groeber, Andreas Gaudl
Life of this patent
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Abstract
A device for fastening a fuel injector in the cylinder head of an internal combustion engine includes a fuel injector having the diameter d0, a fastening screw screwed into the cylinder head, and a forklike clamping pad, penetrated by this fastening screw, with two tines of length l2 and spacing d2. The shaft of the fuel injector narrows in the direction of the injection nozzle to a diameter d1, and the narrowed shaft is provided at one point with opposed extensions; the width l1 at this point does not exceed the original diameter d0 of the fuel injector.
Claims20
A device for fastening a fuel injector (1) in the cylinder head (12) of an internal combustion engine, the fuel injector (1) having a diameter d0, the device
- a fastening screw (3) screwed into the cylinder head (12),
- a forklike clamping pad (2) penetrated by the fastening screw, (3)
- the clamping pad (2) having two tines (2a, 2b) of length l2 and spacing d2,
- a reduced diameter d1 on the shaft (7) of the fuel injector (1) in the direction of the injection nozzle (6)
- opposed extensions (5a, 5b) provided on the narrowed shaft at one point, and
- the width l1 at the point of the opposed extensions does not exceed the original diameter d0 of the fuel injector.
Dependencies are inferred from the claim text.