Pump particularly gearwheel pump or vane-cell pump, has pump part rotating within pump housing, where wall area of pump housing and rotary pump part is formed changeable

摘要

The pump has a pump part rotating within a pump housing (10). The wall areas (24,26) of the pump housing and/or the rotary pump part are formed changeable for influencing a distance between the pump housing and the rotary pump part. The springily flexible wall areas arranged to the rotary pump part surrounds the outer peripheral side (28,30) of the pump housing.