Motor device with a multi-functional intermediate unit arranged between a motor unit and a servo drive unit of the motor device

Abstract

The disclosure relates to Motor device (1) with a motor unit (2) and a servo drive unit (3) attached to the motor unit (2), wherein: the servo drive unit (3) comprises a servo drive housing (3A) and a first printed circuit board (3B) with one or more electronic elements (3C); the motor unit (2) comprises a motor housing (2A) and a rotor; and an intermediate unit (4) is arranged between the motor unit (2) and at least a first part of the servo drive unit (3), with a main extension plane perpendicular to an axial direction (A) of the rotor; where the intermediate unit (4) is a multi-functional intermediate unit (4) which comprises an injection-mold element (5), the intermediate unit (4) being configured to provide at least two of the following functionalities: i) a sealing functionality, with the intermediate unit (4) configured to seal a body of the motor device against an external environment; ii) an electromagnetic shielding functionality, with the intermediate unit (4) configured to electromagnetically shield at least the first part of the servo drive unit (3) from the motor unit (2); iii) a thermal insulation functionality, with the intermediate unit (4) configured to thermally insulate at least the first part of the servo drive unit (3) from the motor unit (2); iv) a light guide functionality, with the intermediate unit (4) configured to guide light emitted inside the motor device (1) to the external environment of the motor device (1); v) a load bearing functionality, with the intermediate unit (4) configured to be a load bearing part of the motor device (1) in order to provide a motor device (1) with a motor unit (2) and a servo drive unit (3) attached to the motor unit (2) that can be assembled in a simple and fail-safe mounting procedure.

Dependencies are inferred from the claim text.