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AssigneeSouriau & Cie
InventorsJean-Pierre Dupont, Jean-Francois Gregoire, Michel Ligier, Jacques Roy
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The invention relates to an apparatus for detecting the injection into an internal combustion engine, and in particular a diesel engine, comprising an injection pump, by means of an injector and at least one length of connecting tubing between the pump and the injector, this apparatus comprising means for detecting the transverse deformation of the connecting tubing under the pressure of the injected fuel. The detection means are disposed between gripper means for firmly locking the connecting tubing at two non-contiguous zones, and are carried by these gripper means in such a way that the sensitive parts of the detection means are applied, in the operative position of the apparatus, at least to the central part of the tubing between these two zones.
Apparatus for detecting the injection of fuel into an internal combustion engine through a fuel line tubing comprising first and second gripper means for firmly gripping, in operative position, around the periphery of said fuel line tubing at two non-contiguous zones, means for supporting said gripper means in said operative position, means for detecting the transverse deformation of said tubing caused by the pressure of fuel injected therethrough, said detecting means being supported by said supporting means at a position between said two non-contiguous zones.
In a method of detecting the injection of fuel through tubing into an internal combustion engine in which the fuel injection is detected by detecting the transverse deformation of the tubing due to the pressure of the fuel injected through said tubing, the improvement wherein said deformation is detected at a portion of the tubing located between two spaced zones, the tubing being firmly clamped at said spaced zones by gripping means gripping around the periphery of the tubing and holding said tubing in fixed position independently of the detecting of said deformation.
Dependencies are inferred from the claim text.