Provided is a wire connecting structure of coils of a three-phase motor, a wire connecting method and three-phase motor, which is capable of reducing a size of a short circuit terminal for a neutral point. The wire connecting structure is a wire connecting structure of coils which are wound to each salient-pole in a three-phase motor having respective salient-pole of a U phase, a V phase and a W phase, the coils of the salient-poles belonging to any two phases among the U phase, the V phase and the W phase are formed by a single continuous first conducting wire, and the coil of the salient-pole belonging to the rest one phase is formed by a single continuous second conducting wire.

The single-phase induction motor includes a stator fixed in a cylindrical frame by shrink-fitting or press-fitting, a main winding wire and an auxiliary winding wire provided on the stator, and a rotor provided on an inner circumferential side of the stator, in which an arc-shaped arc portion and a linear cutout portion are formed on an outer circumference of the stator, the arc portion is arranged on the outer circumference of the stator in a direction of the main winding wire magnetic pole with respect to the center of the stator, and a relief portion for reducing a contact area between the arc portion and an inner circumferential surface of the frame is formed on the arc portion.

The single-phase induction motor includes a stator fixed in a cylindrical frame by shrink-fitting or press-fitting, a main winding wire and an auxiliary winding wire provided on the stator, and a rotor provided on an inner circumferential side of the stator, in which an arc-shaped arc portion and a linear cutout portion are formed on an outer circumference of the stator, the arc portion is arranged on the outer circumference of the stator in a direction of the main winding wire magnetic pole with respect to the center of the stator, and a relief portion for reducing a contact area between the arc portion and an inner circumferential surface of the frame is formed on the arc portion.

An electric motor, with a cage type rotor, of single or polyphase design having a multiple winding design in a single stator core. Where the primary winding and secondary winding having a magnetically and electric circuit configured alignment, that is a 0 difference in the respective magnetic alignments or the electric circuitry alignments. Yet completely separate and isolated from one another, electrically and physically. Wherein the prime operative function is configured in a series resonant and a parallel resonant circuit, using capacitors to produce a phase shift in the secondary winding. With the ability to be reconfigured to a secondary operative function, identical to the original winding and in all of its original operative designed functions.

An electric motor, with a cage type rotor, of single or polyphase design having a multiple winding design in a single stator core. Where the primary winding and secondary winding having a magnetically and electric circuit configured alignment, that is a 0 difference in the respective magnetic alignments or the electric circuitry alignments. Yet completely separate and isolated from one another, electrically and physically. Wherein the prime operative function is configured in a series resonant and a parallel resonant circuit, using capacitors to produce a phase shift in the secondary winding. With the ability to be reconfigured to a secondary operative function, identical to the original winding and in all of its original operative designed functions.

A motor includes a molded stator; a cooling fan assembled to an end of a shaft protruding from one end face of the molded stator; a fan cover that covers the cooling fan; a capacitor assembly box installed to the molded stator and having a capacitor incorporated therein; a foot plate installed to the molded stator; and a bracket provided on the other end side of the molded stator. The fan cover is formed with a latched to the capacitor assembly box and a claw latched to the foot plate; and holes and to which the claws are latched are formed on the capacitor assembly box and the foot plate, respectively.

A motor includes a molded stator; a cooling fan assembled to an end of a shaft protruding from one end face of the molded stator; a fan cover that covers the cooling fan; a capacitor assembly box installed to the molded stator and having a capacitor incorporated therein; a foot plate installed to the molded stator; and a bracket provided on the other end side of the molded stator. The fan cover is formed with a latched to the capacitor assembly box and a claw latched to the foot plate; and holes and to which the claws are latched are formed on the capacitor assembly box and the foot plate, respectively.

A segmental stator, an electric motor have same and a household appliance are provided. The segmental stator includes: a plurality of main windings, a plurality of secondary windings, a plurality of winding needles and a wiring board. Each of the main winding and the secondary winding includes a core segment and a winding frame, and the winding frames of the main winding and secondary winding are wound with a main winding wire and a secondary winding wire respectively. The main windings include at least one first main winding separately wound with one main winding wire and at least two second main windings continuously wound with one main winding wire. The plurality of secondary windings include at least one or more of the following: at least one first secondary winding separately wound with one secondary winding wire and at least two second secondary windings continuously wound with one secondary winding wire.

An electric motor includes a main winding coupled to a first line terminal, and first and second boost windings coupled in series to the main winding. A high-speed lead wire is coupled to a first tap between the main winding and the first boost winding, a medium-speed lead wire is coupled to a second tap between the first boost winding and the second boost winding, and a low-speed lead wire is coupled to a third tap after the second boost winding. A start winding has a first end coupled to the first line terminal and a second end. A capacitor has a first end series-coupled to the second end of the start winding and a second end coupled to the second tap. A switch coupled to a second line terminal is configured to couple the second line terminal to one of the high, medium, and low-speed lead wires.