A holding apparatus for a slip ring unit includes at least two slots configured for receiving slip ring brushes respectively, with the at least two slots being arranged in spaced-apart relationship. A cooling duct is arranged between the at least two slots for cooling a side surface of the slip ring brushes. The cooling duct is configured as a third slot between the at least two slots, with the at least two slots and the cooling duct being of essentially identical shape and dimension.

An electric actuator assembly is proposed. The electric actuator assembly includes: a brush card assembly provided with a brush card part in which a plurality of terminals is molded through insert injection molding; a motor assembly coupled to the brush card assembly and electrically connected thereto; a housing provided with a coupling part into which the brush card assembly is inserted, having a circuit board provided with a connector, and having a gear assembly for receiving power from the motor assembly and transmitting the power to outside, the circuit board and the gear assembly being installed in the housing, wherein terminal holes through which the plurality of terminals passes and a coupling hole into which a part of the brush card part is inserted are separately provided in the coupling part.

A vehicle powertrain includes a first power-source configured to generate a first power-source torque and a multiple speed-ratio transmission configured to transmit the first power-source torque to power the vehicle. The powertrain also includes a fluid coupling having a fluid pump shaft operatively connected to the first power-source and a turbine shaft operatively connected to the multi-speed transmission. The fluid coupling is configured to multiply the first power-source torque, and transfer the multiplied first power-source torque to the multiple speed-ratio transmission. The powertrain additionally includes a second power-source configured to generate a second power-source torque and a first torque transfer system configured to connect the second power-source to the first power-source. The powertrain further includes a second torque transfer system configured to connect the second power-source to the multi-speed transmission. A motor vehicle having such a powertrain is also envisioned.

A motor coil substrate includes a flexible insulating substrate having a cylindrical shape, wirings formed on a first surface of the flexible insulating substrate and a second surface of the flexible insulating substrate on the opposite side with respect to the first surface, and via conductors including copper plating penetrating through the flexible insulating substrate such that the via conductors are connecting the wirings formed on the first surface and the wirings formed on the second surface. The wirings and the via conductors form coils formed in spiral shapes, and the flexible insulating substrate is wound more than one turn in a circumferential direction of the cylindrical shape such that the first surface on an inner side of the cylindrical shape and the second surface on an outer side of the cylindrical shape oppose each other.

A transmitter is configured to generate a signal carrying data. A signal splitter is configured to generate multiple copies of the signal. A slip ring includes first and second portions, one configured to rotate relative to the other. The slip ring also includes a first interface associated with the first portion and configured to receive the multiple copies of the signal. The slip ring further includes a second interface associated with the second portion. In addition, the slip ring includes multiple electrical pathways electrically coupling the first and second interfaces, where at least some of the electrical pathways are configured to transport the multiple copies of the signal from the first interface to the second interface. A signal combiner is configured to receive the multiple copies of the signal from the second interface and to generate a recovered signal. A receiver is configured to recover the data from the recovered signal.

A brush device includes a holder, a brush, a choke coil, and a terminal member. The holder includes a base extending in a direction orthogonal to an axial direction of an armature. The choke coil includes a core and a winding. The core extends in the axial direction of the armature and includes a first end surface in a longitudinal direction faced toward the base of the holder and a second end surface in the longitudinal direction located at a side opposite to the first end surface. The terminal member is coupled to the holder and connected to the winding. The terminal member includes a contact portion that is in contact with the second end surface of the core.

A high current and RPM-capable slip ring assembly for use in a selected application for transferring electricity between an exterior environment and an interior environment that includes multiple electrical conduction assemblies with each having a fixed exterior electrical connection disk and rotating interior electrical connection disk mounted around a non-electrically conducting spindle that has a central aperture and a central axle running through the center of the spindle with one end of the central axle connected to the selected application and the other end of the central axle connect to a supporting structure mount and an oiled porous/sintered disk sandwiched around the spindle between the interior and exterior electrical connection disks of each conduction assembly to allow easy rotation between each exterior electrical connection disk and each rotating interior electrical connection disk.

A high current and RPM-capable slip ring assembly for use in a selected application for transferring electricity between an exterior environment and an interior environment that includes multiple electrical conduction assemblies with each having a fixed exterior electrical connection disk and rotating interior electrical connection disk mounted around a non-electrically conducting spindle that has a central aperture and a central axle running through the center of the spindle with one end of the central axle connected to the selected application and the other end of the central axle connect to a supporting structure mount and an oiled porous/sintered disk sandwiched around the spindle between the interior and exterior electrical connection disks of each conduction assembly to allow easy rotation between each exterior electrical connection disk and each rotating interior electrical connection disk.

The present invention relates to a rotor (1) of a rotary electric machine, comprising: a body (3) comprising a cylindrical central core (5) and a circumferential plurality of arms (B1 . . . B18) extending radially out from the cylindrical central core (5), the body (3) being intended to be mounted with the ability to move about an axis of rotation X, a coilset produced by windings of turns and forming at least one series of coils (C1 . . . C9, C1 . . . C9, C1 . . . C9, C1 . . . C9), a coil (C1 . . . C9, C1 . . . C9, C1 . . . C9, C1 . . . C9) comprising a predetermined number of turns around at least two arms (B1 . . . B18) of the body, two adjacent coils (C1 . . . C9, C1 . . . C9, C1 . . . C9, C1 . . . C9) of a series being angularly offset from one another with a partial overlap,
in which the rotor (1) comprises at least one additional retaining loop (S1, S1, S2, S2) wound around at least two arms (B1 . . . B18) of which at least one is common to the arms (B1 . . . B18) around which is wound the last coil (C9, C9, C9, C9), situated radially outermost, of at least one series and of which at least one is distinct from the arms around which the said last coil (C9, C9, C9, C9) is wound, so that the at least one additional retaining loop (S1, S1, S2, S2) partially overlaps the turns of the said last coil (C9, C9, C9, C9).

Integrated wind-photovoltaic system for the production of electrical energy, the system comprising a wind generator equipped with a semi-vertical axis provided, in turn, with wind blades having a back, wherein the back of the aerodynamic profile of these wind blades is at least partially provided with a covering consisting of flexible photovoltaic panels, and wherein a sunlight concentration optical system is provided comprising a plurality of coplanar lenses.