A flexible coupling assembly for a power transmission system including a first shaft defining an axis, configured for connecting to a first rotating member, the first shaft adjoining and passing through a first flexible diaphragm coupling and lockably connecting to a quill shaft by a locking flange and the quill shaft being configured for connecting to a second rotating member, including a first mating portion for receiving the locking flange of the first shaft within a circumferential opening, wherein the quill shaft is disposed within a primary diaphragm coupling shaft.

A drive unit is provided for a motor vehicle, including an internal combustion engine with an output shaft, a starting element that can be driven by the output shaft, a transmission that can be driven by the output shaft via the starting element, and a bellows mechanism via which the starting element can be driven by the output shaft. The bellows is configured as a folding bellows with a plurality of walls overlapping each other in the axial direction, such that the bellows can be pulled apart and compressed again without the bellows being damaged or deformed plastically as a result. The bellows is utilized as a balancing clutch, via which the starting element is coupled to the output shaft, such that torques are transmitted via the bellows between the starting element and the output shaft.

A dual-axis flexure gimbal device, such as for a fast-steering mirror assembly, can comprise a flexure spring mass body comprising first and second body sections, a flexure diaphragm that interconnects the first and second body sections, and a central aperture formed through the first and second body sections and the flexure diaphragm. A flexure unit can be situated in the central aperture, and can comprise a plurality of slots defining a plurality of flexures. The flexure diaphragm is operable to bend about first and second rotational degrees of freedom, and the plurality of flexures of the flexure unit are operable to flex about respective first and second rotational degrees of freedom. The flexure unit can comprise a plurality of slots, each having a first slot portion and a second slot portion extending in different directions to define a respective flexure. A method of making the dual-axis flexure gimbal device is provided.

A drive train for a wind turbine includes a rotor shaft configured to be driven by a rotor about a main axis, and a support structure including a bearing housing surrounding at least one bearing and supporting the rotor shaft for rotation about the main axis to constrain other movements of the rotor shaft. A gearbox input shaft and housing supports the gearbox input shaft for rotation while constraining other movements of the gearbox input shaft. The gearbox input shaft is coupled to the rotor shaft by an elastic coupling comprising a first coupling part rigidly connected with the rotor shaft, a second coupling part rigidly connected with the gearbox input shaft, and elastic elements positioned between the first and the second coupling part to provide a single joint between the rotor shaft and the gearbox input shaft.

A drive train for a wind turbine includes a rotor shaft configured to be driven by a rotor about a main axis, and a support structure including a bearing housing surrounding at least one bearing and supporting the rotor shaft for rotation about the main axis to constrain other movements of the rotor shaft. A gearbox input shaft and housing supports the gearbox input shaft for rotation while constraining other movements of the gearbox input shaft. The gearbox input shaft is coupled to the rotor shaft by an elastic coupling comprising a first coupling part rigidly connected with the rotor shaft, a second coupling part rigidly connected with the gearbox input shaft, and elastic elements positioned between the first and the second coupling part to provide a single joint between the rotor shaft and the gearbox input shaft.

The disclosure relates to a joint, which has at least three degrees of rotational freedom, having a rigid carrier element and at least two elastically deformable joint elements formed on the carrier element in an overlapping arrangement, at least in sections. Each joint element can include two rod-shaped web portions arranged on the carrier element and extending therefrom which are arranged either converging or diverging relative to each other, and at their end facing away from the carrier element are connected to each other by way of a contact portion. Two web portions connected to each other extend in a first common plane and two other web portions connected to each other extend in a second common plane, and the first common plane and the second common plane intersect.

A multi-axis flexure device can include a first support base, a second support base, and a central coupler. The multi-axis flexure device can also include a first flexure device rotatably coupling the first support base and the central coupler to one another to facilitate rotation about a first axis, and a second flexure device rotatably coupling the second support base and the central coupler to one another to facilitate rotation about a second axis. Each flexure device can include a first flexure, a second flexure, and a flexure coupler coupled to the first and second flexures. The first flexure of the first flexure device can be coupled to the first support base to facilitate relative rotation between the first support base and the flexure coupler of the first flexure device about the first axis. The second flexure of the first flexure device can be coupled to the central coupler to facilitate relative rotation between the central coupler and the flexure coupler of the first flexure device about the first axis. The first flexure of the second flexure device can be coupled to the second support base to facilitate relative rotation between the second support base and the flexure coupler of the second flexure device about the second axis. The second flexure of the second flexure device can be coupled to the central coupler to facilitate relative rotation between the central coupler and the flexure coupler of the second flexure device about the second axis.

A harmonic drive including a housing component (4) and a drive element (18) which is held on the housing component, can be deformed by a wave generator (14), is in the form of a flanged bushing and has a toothing region (17) having a cylindrical basic shape and a disc section (19) which adjoins the toothing region (17). Adjoining the disc section (19) there is a bushing section (20) which is concentric to the toothing region (17), overlaps the latter in the axial direction and is held interlockingly between a cylindrical edge section (21), which is thick-walled in comparison with the bushing section (20), of the housing component (4) and an intrinsically rigid component (22) which is likewise solid in comparison with the flanged bushing (18).

A trunnion and socket assembly is provided. The trunnion and socket assembly includes a trunnion, a socket, and a retention assembly. The trunnion includes a first portion and a second portion, the second portion defining an outer diameter. The retention assembly includes at least two cap elements and a ring member. The cap elements are coupled in an abutting relationship with a first surface of the socket. The cap elements have a second surface and a third surface. The ring member is adapted to be coupled in an abutting relationship with the third surface of each of the cap elements. The ring member has a fourth surface and a fifth surface. The ring member defines an inner diameter that is greater than the outer diameter of the second portion of the trunnion.

A coupling device (32) provides a rotary coupling of a pivot shaft (18) of a flap diaphragm (16) of an exhaust gas flap (10) with a drive element (34). The pivot shaft is to be rotated about a pivot axis (A). The coupling device (32) includes a first coupling part (36) with a first coupling area configured for coupling with the pivot shaft (18) and a second coupling part (38) with a second coupling area configured for coupling with the drive element (34). The first coupling part (36) and the second coupling part (38) are in a rotary coupling positive-locking meshing state with one another in the coupled state and are supported on one another in the direction of the pivot axis (A).