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US 6,293,252 B1Granted
Fuel injection device for internal combustion engines
AssigneeHydraulik-Ring GmbH
InventorsBernd Niethammer, Martin Lenk, Steffen Martin
Life of this patent
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Abstract
The invention relates to a fuel injection device for internal combustion engines, preferably Diesel engines. The device has at least one control valve by means of which a control piston is displaceable by a pressure medium in order to convey fuel through at least one channel toward a combustion chamber of the internal combustion engine. The device has at least one accumulator for the pressure medium disposed in a flow direction of the pressure medium, whereby the accumulator is provided within the control piston.
Claims16
A fuel injection device for internal combustion engines comprising:
- a housing means having at least one channel;
- a control piston provided within said housing means;
- at least one control valve that is disposed on said housing, whereby a control valve displaces said control piston by means of a pressure medium for conveying fuel via said at least one channel in the direction of a combustion chamber of said internal combustion engine;
- and
- at least one accumulator for said pressure medium disposed in a flow direction of said pressure medium, whereby said accumulator is provided within said control piston, and wherein said accumulator is provided with a biased accumulator piston.
2 more elements
Dependencies are inferred from the claim text.