J. Eberspacher Gmbh & Co Kg

J. Ebersp&auml;cher Gmbh & Co. Kg

Festo Ag & Co. Kg

Rolf Hartnagel

Wolfgang Pfister

Martin Weiss

Ralf Medow

Thomas G&ouml;rtler

Sascha Tippl

Liane Schupp

Michael Streck

Florian GÖTZ

Andre Epmaier

Martin Völkl

Gottfried Pawlik

Manuel Mühlena

A fuel metering pump ( ) has a solenoid coil ( ), an armature ( ), a delivery piston ( ) and spring-loaded valves. The spring-loaded valves are embodied as an electrically controlled suction valve ( ) and an electrically controlled pressure valve ( ). A solenoid coil ( ) is provided for the armature ( ) of the delivery piston ( ), the armature ( ) of the suction valve ( ) and the armature of the pressure valve ( ). The masses, springs and hydraulic cross-sections of the component parts are configured in such a way that the valves switch more quickly than the delivery piston moves.

Fuel metering pump for a heater, especially an additional heater or a parking heater of a motor vehicle

A metering device for a heating appliance has a pump arrangement for the delivery of liquid that is supplied via an inlet region to an outlet region and a valve arrangement by which the pump arrangement is connected with the inlet region to receive liquid or with the outlet device to deliver liquid. The valve arrangement has a valve member that is brought into a first actuating position in which the valve member permits a liquid flow from the inlet region to the pump arrangement and prevents a liquid delivery from the pump arrangement to the outlet region. In a second actuating position the valve member prevents a liquid supply from the inlet region to the pump arrangement and permits a liquid delivery from the pump arrangement to the outlet region.

Metering pump with combined inlet/outlet valve element

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Esslingen, Germany

Rolf Hartnagel