Abstract: A starter motor for engine has a flywheel fixed to a shaft of the engine. A support is fixed relative to the engine. A space is formed between the flywheel and the support and a driving device is installed in the space. The driving device includes a stator fixed to the support and a rotor fixed to the flywheel.

Abstract: A household appliance has a container for receiving working material and a housing that is isolated from the container by a wall. A rotatable working tool disposed inside the container. A motor for driving the working tool has a stator and a rotor. The stator is disposed within the housing so as to be isolated from the working material of the container. The rotor is disposed within the container and the working tool is preferably fixed to a shaft of the rotor.

Abstract: A two-phase BLDC motor comprises a stator and a rotor. The stator has a stator core and a two-phase winding wound on the stator core. The stator core comprises a plurality of teeth with slots formed between adjacent teeth. The rotor rotor has a plurality of magnetic poles formed by at least one permanent magnet. The windings are received in corresponding slots in such a way that each winding spans multiple teeth and the direction of current flowing through the windings in any one slot at any one time is the same.

Abstract: A universal motor has a rotor and a stator. The stator comprises a pair of symmetrical C-shaped stator cores and two windings respectively wound on the stator cores. Each stator core comprises a yoke and a pair of poles extending from opposite ends of the yoke. The windings are wound on the yokes. Each pole has a curved surface and the surfaces of the poles cooperatively form an opening. The rotor is rotatably received in the opening.

Abstract: A brush direct current motor has a first connecting portion and a second connecting portion for respectively connecting the positive and negative electrode of a direct current power source, a stator having a number of coils corresponding to N phases, a rotor, a current converting device and a spark suppression circuit. The spark suppression circuit has N branches. Each branch comprises a first diode and a second diode, the cathode of the first diode and the anode of the second diode are respectively connected to the first connecting portion and the second connecting portion, the anode of the first diode and the cathode of the second diode are connected to a corresponding phase.

Abstract: A brush direct current motor has a stator with a plurality of coils that correspond to a number of stator windings, a rotor with a number of poles, and a commutator. The commutator is connected to a first terminal of a direct current power source to convert the power into N phase alternating current. One end of each stator winding is connected to a respective phase of the alternating current via a brush and the other ends of the stator windings are connected to the second terminal of the direct current power source.

Abstract: A brush direct current motor has a stator with a plurality of coils that correspond to N phases, a rotor with 2P magnet poles and a current converting device for converting direct current power to N phases current and carrying the N phases of alternating current for the coils of the stator. The current converting device has a plurality of first and second bars alternately arranged with transiting plates along a brush path. Resistors connect the transiting plates to one of the adjacent bars.

Abstract: A bending device includes a bendable unit which has a bendable body extending in a direction and a soft pipe extending in the same direction and fixed to the bendable body. The soft pipe is stretchable in said direction relative to the bendable body in response to changes of pressure inside the soft pipe, which results in the bendable body and the soft pipe bending.

Abstract: A brush motor includes a stator with 2P magnetic poles and a rotor which includes a rotor core, a commutator and windings wound on the rotor core. The rotor core includes N teeth with a slot formed between adjacent teeth. The commutator includes M segments represented by Z1 . . . ZX . . . ZY . . . ZM, wherein M, N, P, Y and X are integers and M is odd and greater than N. Each winding includes a start connected to a segment ZX and an end connected to another segment ZY. Each winding includes at least one coil wound about a corresponding tooth or set of teeth. Some of the windings include a plurality of coils wound on different teeth. The total number of turns of the coils for each winding is substantially the same. A winding unit consisting of a plurality of windings is connected between each pair of adjacent segments. ZX and ZY satisfy the following equation: |Y?X|=(M±1)/P.

Abstract: A starter motor for engine has a flywheel fixed to a shaft of the engine. A support is fixed relative to the engine. A space is formed between the flywheel and the support and a driving device is installed in the space. The driving device includes a stator fixed to the support and a rotor fixed to the flywheel.

Abstract: A display device comprises a housing, an image capture device and a screen mounted to the housing. A drive platform is mounted to the housing. The drive platform comprises: a rotatable part to which the image capture device is mounted; a stationary part having a chamber to receive the rotatable part and a capture window to expose the image capture device; and at least one piezoelectric motor which rotates the rotatable part to pan and tilt the image capture device within the capture window.

Abstract: A household appliance has a container for receiving working material and a housing that is isolated from the container by a wall. A rotatable working tool disposed inside the container. A motor for driving the working tool has a stator and a rotor. The stator is disposed within the housing so as to be isolated from the working material of the container. The rotor is disposed within the container and the working tool is preferably fixed to a shaft of the rotor.

Abstract: A two-phase BLDC motor comprises a stator and a rotor. The stator has a stator core and a two-phase winding wound on the stator core. The stator core comprises a plurality of teeth with slots formed between adjacent teeth. The rotor rotor has a plurality of magnetic poles formed by at least one permanent magnet. The windings are received in corresponding slots in such a way that each winding spans multiple teeth and the direction of current flowing through the windings in any one slot at any one time is the same.

Abstract: A universal motor has a rotor and a stator. The stator comprises a pair of symmetrical C-shaped stator cores and two windings respectively wound on the stator cores. Each stator core comprises a yoke and a pair of poles extending from opposite ends of the yoke. The windings are wound on the yokes. Each pole has a curved surface and the surfaces of the poles cooperatively form an opening. The rotor is rotatably received in the opening.

Abstract: A brush motor includes a stator with 2P magnetic poles and a rotor which includes a rotor core, a commutator and windings wound on the rotor core. The rotor core includes N teeth with a slot formed between adjacent teeth. The commutator includes M segments represented by Z1 . . . ZX . . . ZY . . . ZM, wherein M, N, P, Y and X are integers and M is odd and greater than N. Each winding includes a start connected to a segment ZX and an end connected to another segment ZY. Each winding includes at least one coil wound about a corresponding tooth or set of teeth. Some of the windings include a plurality of coils wound on different teeth. The total number of turns of the coils for each winding is substantially the same. A winding unit consisting of a plurality of windings is connected between each pair of adjacent segments. ZX and ZY satisfy the following equation: |Y?X|=(M±1)/P.

Abstract: A display device comprises a housing, an image capture device and a screen mounted to the housing. A drive platform is mounted to the housing. The drive platform comprises: a rotatable part to which the image capture device is mounted; a stationary part having a chamber to receive the rotatable part and a capture window to expose the image capture device; and at least one piezoelectric motor which rotates the rotatable part to pan and tilt the image capture device within the capture window.