Flexible motor pump system

1 . An apparatus for making available hydraulic energy, in an active chassis system of a vehicle, the apparatus comprising

a motor-pump group, comprising a hydraulic pump and an electric motor for driving the hydraulic pump, and

an electronic unit for regulating the motor-pump group,

wherein the motor-pump group is arranged in a first motor-pump casing, wherein the first motor-pump casing forms a motor-pump housing or is a part of the motor-pump housing,

wherein the electronic unit is arranged in an electronic-unit casing that forms an electronic-unit housing or is a part of the electronic-unit housing,

wherein the electronic unit and the motor-pump group are electrically connected via an external supply string;

wherein the external supply string is configured to be mechanically flexible; and

wherein the motor-pump group is hydraulically connected to a shock absorber and is optionally arranged on the shock absorber and/or connected via hydraulic lines.

2 . The apparatus according to claim 1 , wherein the motor-pump casing and the electronic-unit casing correspond to each other and/or are set up to create partly or completely a common housing.

3 . The apparatus according to claim 2 , wherein the apparatus further comprises a chassis axle, the chassis axle comprising:

the motor-pump group as a first motor-pump group, the first motor-pump group comprising the hydraulic pump as a first hydraulic pump and the electric motor as a first electric motor for driving the first hydraulic pump, wherein the first motor-pump group is arranged in a first motor-pump casing that forms a first motor-pump housing or is a part of the first motor-pump housing,

a second motor-pump group, comprising a second hydraulic pump and a second electric motor for driving the second hydraulic pump, wherein the second motor-pump group is arranged in a second motor-pump casing that forms a second motor-pump housing or is a part of the second motor-pump housing,

a first hydraulically regulatable shock absorber and a second hydraulically regulatable shock absorber, the first hydraulically regulatable shock absorber and the second hydraulically regulatable shock absorber are hydraulically connected respectively to the first motor-pump group and a second motor-pump group,

wherein the first motor-pump group and the second motor-pump group each have a supply connector, which is optionally arranged on the respective motor-pump casing and/or at an end of a supply string or at an end of a supply string section.

4 . The chassis axle according to claim 3 ,

wherein the chassis axle is pre-assembled and/or the first motor-pump casing and the second motor-pump casing and/or the first motor-pump unit and the second motor-pump unit are fixedly connected to the chassis axle or the respective shock absorbers, and/or

wherein the first motor-pump group and the second motor-pump group are connected to the respective shock absorbers respectively via hydraulic lines or the first motor-pump casing and the second motor-pump casing or the first motor-pump housing and the motor-pump housing are arranged on and/or attached to the respective shock absorber or a damper cylinder of the respective shock absorber.

5 . An apparatus according to claim 1 , wherein the motor-pump group forms a first motor-pump group, wherein the apparatus further comprises

a second motor-pump group, comprising a second hydraulic pump and a second electric motor for driving the second hydraulic pump,

wherein the second motor-pump group is arranged in a second motor-pump casing and wherein the electronic unit forms a common electronic unit for regulating the first motor pump group and the second motor-pump group, and

(a) wherein the second motor-pump casing forms a second motor-pump housing or is a part of the second motor-pump housing, and

wherein the electronic unit and the second motor-pump group are electrically connected via a second supply string, or

(b) wherein the second motor-pump casing is a part of the electronic-unit housing and/or

wherein the electronic-unit housing comprises the electronic-unit casing and the second motor-pump casing.

6 . The apparatus according to claim 5 , wherein the first motor-pump casing, the second motor-pump casing and the electronic-unit casing correspond to each other and/or are set up to create a common housing partly or completely.

7 . The apparatus according to claim 5 , further comprising

a third motor-pump group, comprising a third hydraulic pump and a third electric motor for driving the third hydraulic pump,

wherein the third motor-pump group is arranged in a third motor-pump casing that forms a third motor-pump housing or is a part of the third motor-pump housing, and

wherein the electronic unit and the third motor-pump group are electrically connected via a third supply string,

and further comprising

a fourth motor-pump group, comprising a fourth hydraulic pump and a fourth electric motor for driving the fourth hydraulic pump,

wherein the fourth motor-pump group is arranged in a fourth motor-pump casing that forms a fourth motor-pump housing or is a part of the fourth motor-pump housing, and

wherein the electronic unit and the fourth motor-pump group are electrically connected via a fourth supply string, and

wherein the electronic unit forms the common electronic unit for regulating the first motor-pump group, the second motor-pump group, the third motor-pump group and the fourth motor-pump group, and

wherein the first motor-pump group, the second motor-pump group, the third motor-pump group and the fourth motor-pump group are configured identically.

8 . A chassis system for a first vehicle axle and a second vehicle axle, each with respectively two hydraulically regulatable shock absorbers, comprising:

the apparatus according to claim 7 , wherein the four motor-pump groups or the hydraulic pumps of the four motor-pump groups are connected respectively to a shock absorber of the hydraulically regulatable shock absorbers of the first vehicle axle and the second vehicle axle.

9 . The apparatus according to claim 1 , wherein the supply string is pluggable and wherein a supply connector is arranged on an outer side of the electronic-unit housing and/or the motor-pump housing.

10 . The apparatus according to claim 1 , wherein the supply string has at least or exactly three motor-phase supply lines, and optionally two or more signal supply lines.

11 . The apparatus according to claim 1 , wherein the motor-pump housing is constructed in a single-piece manner or a multi-piece manner, optionally comprising a single-piece or multi-piece motor casing and a single-piece or multi-piece pump casing.

12 . The apparatus according to claim 1 , wherein the motor-pump group is hydraulically connected to a shock absorber and is optionally arranged on the shock absorber and/or connected via hydraulic lines.