An electric machine including a housing, and a stator mounted to the housing. The stator includes a plurality of laminations, a first end turn and a second end turn. A rotor shaft extends through the housing. A hybrid rotor module is coupled to the rotor shaft. The hybrid rotor module includes a clutch basket having a rotor carrier. The clutch basket houses one or more clutch assemblies. A rotor is mounted to the rotor carrier, and one or more openings are formed in the rotor carrier. The one or more openings direct coolant onto at least one of the stator, the first end turn, and the second end turn.

An electric machine including a housing, and a stator mounted to the housing. The stator includes a plurality of laminations, a first end turn and a second end turn. A rotor shaft extends through the housing. A hybrid rotor module is coupled to the rotor shaft. The hybrid rotor module includes a clutch basket having a rotor carrier. The clutch basket houses one or more clutch assemblies. A rotor is mounted to the rotor carrier, and one or more openings are formed in the rotor carrier. The one or more openings direct coolant onto at least one of the stator, the first end turn, and the second end turn.

An energy storage system includes a heat generation apparatus configured to generate heat from electric power and a heat storage device configured to store the heat generated by the heat generation apparatus, the heat generation apparatus including an electric motor connected to an electric power system and rotated by surplus electric power received from the electric power system, and a heat generator having a rotary unit rotated by the electric motor and a heat generating unit configured to generate heat through electromagnetic induction, and configured to convert rotational force of the electric motor to heat.

An energy storage system includes a heat generation apparatus configured to generate heat from electric power and a heat storage device configured to store the heat generated by the heat generation apparatus, the heat generation apparatus including an electric motor connected to an electric power system and rotated by surplus electric power received from the electric power system, and a heat generator having a rotary unit rotated by the electric motor and a heat generating unit configured to generate heat through electromagnetic induction, and configured to convert rotational force of the electric motor to heat.

A prime mover includes a stator fixed to the housing and a rotor rotatable relative to the stator. The prime mover outputs torque by being supplied with electric power. A speed reducer reduces the torque of the prime mover and outputs the reduced torque. A rotational translation unit includes a rotation portion that rotates relative to the housing upon receiving the torque from the speed reducer, and a translation portion that moves relative to the housing in an axial direction. A clutch allows torque transmission in an engaged state, and interrupts the torque transmission in a disengaged state. A state changing unit changes the state of the clutch by receiving a force along the axial direction from the translation portion. Cogging torque generated between the rotor and the stator is set to such a magnitude that the rotor is stoppable at any rotation position relative to the stator.

A prime mover includes a stator fixed to the housing and a rotor rotatable relative to the stator. The prime mover outputs torque by being supplied with electric power. A speed reducer reduces the torque of the prime mover and outputs the reduced torque. A rotational translation unit includes a rotation portion that rotates relative to the housing upon receiving the torque from the speed reducer, and a translation portion that moves relative to the housing in an axial direction. A clutch allows torque transmission in an engaged state, and interrupts the torque transmission in a disengaged state. A state changing unit changes the state of the clutch by receiving a force along the axial direction from the translation portion. Cogging torque generated between the rotor and the stator is set to such a magnitude that the rotor is stoppable at any rotation position relative to the stator.

Disclosed are a three-phase alternating-current synchronous motor with an improved structure, and electrical equipment. The three-phase alternating-current synchronous motor includes a stator (13) and a rotor, where the rotor includes a driving rotor (14) and a driven rotor (15) that are arranged coaxially, with a rotor shaft (153) being fixed to the driven rotor, and during starting, the driving rotor firstly rotating and then driving the driven rotor to rotate. The electrical equipment includes an industrial fan, an air compressor, an elevator, an aerator and a winch that use a three-phase alternating-current synchronous motor.

Disclosed are a three-phase alternating-current synchronous motor with an improved structure, and electrical equipment. The three-phase alternating-current synchronous motor includes a stator (13) and a rotor, where the rotor includes a driving rotor (14) and a driven rotor (15) that are arranged coaxially, with a rotor shaft (153) being fixed to the driven rotor, and during starting, the driving rotor firstly rotating and then driving the driven rotor to rotate. The electrical equipment includes an industrial fan, an air compressor, an elevator, an aerator and a winch that use a three-phase alternating-current synchronous motor.

A prime mover includes a stator fixed to a housing, and a rotor rotatable relative to the stator. The prime mover outputs torque from the rotor by being supplied with electric power. A speed reducer reduces the torque of the prime mover and outputs the reduced torque. The speed reducer includes a sun gear to which the torque from the rotor is input, and a planetary gear that revolves in a circumferential direction of the sun gear while rotating in a state of meshing with the sun gear. The rotor and the sun gear are formed separately, and are disposed coaxially so as to be integrally rotatable.

A prime mover includes a stator fixed to a housing, and a rotor rotatable relative to the stator. The prime mover outputs torque from the rotor by being supplied with electric power. A speed reducer reduces the torque of the prime mover and outputs the reduced torque. The speed reducer includes a sun gear to which the torque from the rotor is input, and a planetary gear that revolves in a circumferential direction of the sun gear while rotating in a state of meshing with the sun gear. The rotor and the sun gear are formed separately, and are disposed coaxially so as to be integrally rotatable.