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Electrical machine having an electrical component, which has a rotor component and a stator component and is arranged inside a housing. The housing has a first housing wall which surrounds the electrical component in the circumferential direction, with the housing having an accommodation space which

Electrical machine having an electrical component, which has a rotor component and a stator component and is arranged inside a housing. The housing has a first housing wall which surrounds the electrical component in the circumferential direction, with the housing having an accommodation space which extends radially outward from the first housing wall from the electrical component with respect to the rotation axis of the rotor component. The individual components of the power electronics for controlling the electrical machine are arranged inside the accommodation space.

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Electrical machine having an electrical component, which has a rotor component and a stator component and is arranged inside a housing. The housing has a first housing wall which surrounds the electrical component in the circumferential direction, with the housing having an accommodation space which

Electrical machine having an electrical component, which has a rotor component and a stator component and is arranged inside a housing. The housing has a first housing wall which surrounds the electrical component in the circumferential direction, with the housing having an accommodation space which extends radially outward from the first housing wall from the electrical component with respect to the rotation axis of the rotor component. The individual components of the power electronics for controlling the electrical machine are arranged inside the accommodation space. gh the first flow passage. 27. An apparatus comprising: a cylindrical housing having an exterior and a longitudinal bore extending therethrough; a lateral port communicating between the housing longitudinal bore and the exterior of the housing; a first sleeve disposed within the housing longitudinal bore and in sliding contact with the housing, and having a longitudinal passageway therethrough and a ball seating element, capable of being positioned in an upper position and a lower position relative to the housing; first and second lateral passageways extending through the wall of the first sleeve; a second sleeve disposed within the longitudinal bore of the first sleeve and in sliding contact with the first sleeve, and having a longitudinal passageway