Patent ID: 11885331
Assignee: FTE AUTOMOTIVE GMBH
Field: Engines, pumps, turbines (Mechanical engineering)
Classification: CPC F | IPC F

Claim 0:
1. A pump unit comprising:
at least one high-pressure port;
at least one low-pressure port;
a motor; and
a hydraulic pump which has at least one high-pressure outlet and at least one low-pressure outlet,
wherein the high-pressure outlet is connected to the high-pressure port via at least one pressure-regulating valve,
wherein the hydraulic pump is a rotary vane pump having multiple rotary vanes which, together with a stator and a rotor, delimit multiple low-pressure chambers, wherein each rotary vane delimits a high-pressure chamber within the rotor, and
wherein in at least one side wall of the stator, a high-pressure inlet is assigned exclusively to the high-pressure chamber, and a low-pressure inlet separate from the high-pressure inlet is assigned exclusively to the low-pressure chamber.