Patent ID: 6152114
Filing Date: 2000-11-28
Classification: F02M,F16K,Y10T

Abstract:
A overflow valve (22) for a device (1) for pumping fuel, in which the device (1) has a supply container (18) for fuel for an internal combustion engine (21) of a motor vehicle, a catchment (6) disposed in the supply container (18), a fuel pumping assembly (19) that aspirates from the catchment (6) and communicates on the pressure side with the engine (21), a return line (2) from the engine (21) or a direct branch (33) from a pressure line (20) to the supply container (18), and a fluid entrainment pump (3) communicating with the return line (2) or the branch and disposed in the supply container (18), by which pump fuel is pumped into the catchment (6), and the overflow valve (22) closes or opens a overflow opening (4) to the fluid entrainment pump (3), characterized in that the overflow valve (22) has a spirally shaped spring (12), which holds a closing member (7) and presses it vertically in the direction onto the overflow opening (4).