A coupling (6) to attach an impeller (32) of a compressor to a shaft (16) of an electric motor.

A hollow shaft encoder mounts over the shaft of a motor or similar mechanical device.

A combustion engine (10) having a rotating drive shaft (24), planetary gear set (87-89) linking a rotating chamber (28) keyed to the drive shaft (24) to turbomachinery within the chamber.

The apparatus includes a motor having a rotatable shaft (17).

The motor (21) has a drive shaft (22).

The motor (21) has a drive shaft (22).

A vehicle is provided with an engine and an electric motor linked to an output shaft of the engine.

The self-generating motor is equipped with a motor having a rotary shaft shared with the generator (100).

The rotor is driven by an armature of an electric motor by means of a drive shaft.

A frame (1) supports a drive motor (2) with a motor shaft (2a).

The motor (5) acts on the gearbox (7) by means of a motor shaft (6).

This deflection (509) may be converted into rotation (514) of a power shaft included in a motor.

An elastic piece (10) for adjusting an axial gap of a motor is laid on an end of a motor driving shaft (60).

A spot rotational scanner has a motor, a shaft and a turntable which is fixed on the shaft.

A cooling fan (22, 25) is integrally attached to a driving shaft (9) in a motor housing (4).