Patent ID: 7040287

Claim:
A fuel-metering device having a fuel chamber; a fuel inlet which can be opened and closed and which leads to the fuel chamber; at least one fuel outlet leading from the fuel chamber to an intake channel of an internal combustion engine; wherein part of a wall of the fuel chamber includes a first movable element which can be moved in dependence upon a pressure difference between a pressure in the fuel chamber and an ambient air pressure, the first movable element being coupled to a closing element for opening and closing the fuel inlet; wherein in a position opposite the first movable element, a second movable element is disposed which can be moved relative to first movable element in dependence upon a change in the ambient air pressure, wherein a first magnetic portion is attached to the first movable element and a second magnetic portion is attached to the second movable element, and wherein in the event of a decrease in the ambient air pressure, the second movable element is moved closer to the first movable element in such a manner as to intensify a magnetic interaction between the first magnetic portion and the second magnetic portion, as a result of which the first movable element can be set in motion in dependence upon the ambient air pressure in order to actuate the closing element, so that a quantity of fuel which is to be supplied to the intake channel for a predetermined operating position of the internal combustion engine can be regulated in dependence upon the ambient air pressure.