Vane pump, has pump part arranged in housing, spring arranged between push plate and housing and comprising two spring arms, which extend between elevations of push plate, and spring arms arranged around central ring

摘要

The pump (1) has a wing and a prominent rotor resting against a push plate (23). The push plate comprises a pressure through hole. A pressure output (19) is connected with the pressure through-hole. A pump part is arranged in a housing (3). A spring (2) is arranged between the push plate and the housing. The spring comprises two spring arms, which extend between elevations of the push plate. The spring arms of the spring are arranged around a central ring. The spring arms are flexed from a plane of the ring. The spring arms form a V-shaped folding.