Patent ID: 8347924

Claim:
A main valve ( 10 ) for a fuel pump nozzle ( 1 ), said main valve ( 10 ) comprising: a) a shut-off body ( 12 ) for closing a liquid line ( 6 ); and b) a displacement space ( 20 ) having a volume that is reduced by movement of the shut-off body ( 12 ) from an open position to a closed position, wherein: 1) the displacement space ( 20 ) is fluidically connected upstream and downstream of the shut-off body ( 12 ) to the liquid line ( 6 ) via a first secondary line ( 22 ) and a second secondary line ( 22 ′); and 2) the first secondary line ( 22 ) to the liquid line ( 6 ) upstream of the shut-off body ( 12 ) is closed in the closed position of the shut-off body ( 12 ).