Patent classifications
H02K21/26
SEGMENT SHEET FOR A STATOR LAMINATION STACK, STATOR LAMINATION STACK, AND GENERATOR AND WIND TURBINE COMPRISING SAME
A segment sheet for a stator lamination stack of a generator of a wind turbine, wherein the segment sheet has the shape of a ring segment, having a first radial section, in which recesses are provided for receiving a stator winding, having a second radial section, which is arranged radially adjacent to the first section and which forms a segment of a magnetic yoke of the generator, and having a third radial section, which is arranged radially adjacent to the second section. The proposal is that the third radial section has at least two recesses arranged in an azimuthally spaced manner, which are designed for a positive connection to profiled strips arranged on a stator support ring.
ROTATING ELECTRICAL MACHINE
A rotating electrical machine equipped with a magnet unit and a magnetic body. The magnet unit is also equipped with magnet covers wrapped about armature-facing peripheral surfaces of the magnets. Each of the magnets has recesses formed in portions of the armature-facing peripheral surface which are located close to q-axes each of which lies at a boundary between magnetic poles. Each of the magnet covers is recessed in the radial direction in accordance with the shape of the magnet recesses. If the armature-facing peripheral surface of the magnets is between a circumferentially adjacent two of the magnet recesses is defined as a main magnetic pole surface, and an angle representing a circumferential range occupied by the main magnetic pole surface is defined as a main magnetic pole angle θa, the main magnetic pole angle θa is selected to be 2π/5<θa<2π/3.
Multi-tunnel electric motor/generator
Disclosed are various embodiments for a new and improved electrical motor/generator, specifically a motor/generator comprising: a plurality of coils radially positioned about a coil assembly, a plurality of magnetic tunnels forming a relative rotational path for the coil assembly, wherein the all of plurality of magnets forming each magnetic tunnel have like poles facing inward toward the interior of the magnetic tunnel or facing outward away from the interior of the magnetic tunnel such that each magnetic field of any magnetic tunnel is of an opposite polarity to the magnetic field of an adjacent magnetic tunnel.
ROTATING ELECTRICAL MACHINE
A stator with a multi-phase stator winding including phase windings each made of several winding segments, the segments including intermediate conductor portions arranged away from each other in a circumferential direction and link portions located at first and second radial end sides and connect the paired intermediate conductor portions into an annular shape. The winding segments are adjacent each other in a circumferential direction partially overlapping in the circumferential direction and include first and second winding segments overlapping each other in the circumferential direction. The link portions of the first winding segments are bent radially inward at at least one of axially opposed ends of the stator winding. The link portions of the second winding segments are bent radially outward at the at least one of the axially opposed ends of the stator winding. These link portions are arranged not overlapping in an axial direction of the stator.
ROTATING ELECTRIC MACHINE
A rotating electric machine includes: a field system including a magnet section having a plurality of magnetic poles whose polarities alternate in a circumferential direction; and an armature arranged to face the field system and including a multi-phase armature coil. Either of the field system and the armature is configured as a rotor. The field system also includes a soft-magnetic core having at least one magnet-receiving hole in which the magnet section is received and held. The armature coil has electrical conductor sections arranged at positions facing the field system and at predetermined intervals in the circumferential direction. In the armature, inter-conductor members are provided between the electrical conductor sections in the circumferential direction. The inter-conductor members in each part of the armature corresponding to one magnetic pole are magnetically saturated by magnetic flux from one magnetic pole of the magnet section when the electrical conductor sections are not energized.
HYBRID EXCITATION STARTER FOR INTERNAL COMBUSTION ENGINE
--A hybrid excitation starter for an internal combustion engine comprises a machine housing, an armature, and an electrical excitation structure and a permanent magnet structure provided in the machine housing, and the electrical excitation structure comprises a plurality of electrical excitation magnetic poles and excitation coil windings. The electrical excitation magnetic poles are uniformly mounted on the machine housing corresponding to the armature and air gaps are formed between the electrical excitation magnetic poles and the armature; the permanent magnet structure comprises a plurality of permanent magnet magnetic poles, which are provided corresponding to the electrical excitation magnetic poles, and are mounted on the machine housing or the electrical excitation magnetic poles respectively, and a magnetic potential formed by coupling the electrical excitation magnetic poles and the permanent magnet magnetic poles together forms a closed magnetic flux linkage by means of the machine housing, the armature and the air gaps.--
HYBRID EXCITATION STARTER FOR INTERNAL COMBUSTION ENGINE
--A hybrid excitation starter for an internal combustion engine comprises a machine housing, an armature, and an electrical excitation structure and a permanent magnet structure provided in the machine housing, and the electrical excitation structure comprises a plurality of electrical excitation magnetic poles and excitation coil windings. The electrical excitation magnetic poles are uniformly mounted on the machine housing corresponding to the armature and air gaps are formed between the electrical excitation magnetic poles and the armature; the permanent magnet structure comprises a plurality of permanent magnet magnetic poles, which are provided corresponding to the electrical excitation magnetic poles, and are mounted on the machine housing or the electrical excitation magnetic poles respectively, and a magnetic potential formed by coupling the electrical excitation magnetic poles and the permanent magnet magnetic poles together forms a closed magnetic flux linkage by means of the machine housing, the armature and the air gaps.--
SELF-CHARGING SENSOR MODULE AND ELECTRONIC DEVICE COMPRISING SAME
A sensor module may be mounted in an electronic device including a rotating body rotatably arranged inside a housing. The sensor module may include a stator fixed in the housing; an energy harvester including a rotor mounted in the rotating body, at a position to at least partially face the stator; and a sensor arranged inside the rotating body together with the rotor, wherein, as the rotating body rotates, the rotor may be configured to rotate about the stator and generate an induced current and supply same to the sensor. The sensor may be configured to detect, using power based on the induced current, environmental information of the inside of the rotating body or operating state information of the rotating body.
RELUCTANCE SYNCHRONOUS MACHINES WITHOUT PERMANENT MAGNETS
Disclosed are various embodiments for reluctance synchronous machines having a rotor comprising a plurality of rotor core assemblies configured to form a reluctance torque tunnel having at least a first reluctance tunnel segment and a second reluctance tunnel segment and a stator having a plurality of coils configured to form a coil winding assembly, the coil winding assembly positioned within the reluctance torque tunnel, such that at least one of the plurality of coils is surrounded by the first reluctance tunnel segment or the second reluctance tunnel segment, alternatively the rotor may be the coil winding assembly and the stator may be the reluctance torque tunnel.
RELUCTANCE SYNCHRONOUS MACHINES WITHOUT PERMANENT MAGNETS
Disclosed are various embodiments for reluctance synchronous machines having a rotor comprising a plurality of rotor core assemblies configured to form a reluctance torque tunnel having at least a first reluctance tunnel segment and a second reluctance tunnel segment and a stator having a plurality of coils configured to form a coil winding assembly, the coil winding assembly positioned within the reluctance torque tunnel, such that at least one of the plurality of coils is surrounded by the first reluctance tunnel segment or the second reluctance tunnel segment, alternatively the rotor may be the coil winding assembly and the stator may be the reluctance torque tunnel.