Abstract: Deformation and vibration of claw magnetic poles in rotor are reduced. A rotor includes: a rotor coil 15 for generating a magnetic flux by applying a current; a pole core comprised of a first pole core body 19 and a second pole core body 20 that are disposed so as to cover the rotor coil 15, each being provided with claw-shaped claw magnetic poles 21, 22 engaging with each other; and a magnet assembly 25 composed of a magnet 23 for reducing leakage of magnetic flux and a magnet-holding member 24 for supporting the magnet 23 on the claw magnetic poles 21, 22. Center of gravity 25G of the magnet assembly 25 is located on the base part side nearer than the center of the claw magnetic poles 21, 22.

Abstract: An electric rotating machine for a vehicle capable of reducing influence of leakage flux on a turning angle detector as much as possible and detecting a turning angle more accurately is provided. The electric rotating machine for a vehicle includes: a rotor core 12 that is fitted to a rotary shaft 7; a stator core 24 that is concentric with the rotor core 12 and disposed on the outside of the rotor core 12; and a resolver 31 acting as a turning angle detector that is disposed on one shaft end of the rotary shaft 7; in which the rotary shaft 7 itself is constituted to be magnetic flux interrupting means made of a non-magnetic material.

Abstract: A control device of a rotating electric machine to which an inverter is integrally assembled is downsized, and manufacturing costs are reduced. An inverter for controlling outputs from the rotating electric machine is integrated with a rotating electric machine, and in which a control device forming an inverter is constructed of a switching element and a heat sink, a drain electrode terminal of the switching element is directly joined to the heat sink, and a source electrode terminal and gate electrode terminal of the switching element are joined to a metal pattern formed at a connection member.

Abstract: A projected shape of permanent magnets is contained within a plane of projection formed by adjacent claw-shaped magnetic poles overlapping when the claw-shaped magnetic poles are viewed in a direction of rotation of a rotor, and is generally similar in shape to a shape of the plane of projection.

Abstract: A stator coil 24 is installed in a stator core 11, and an insulating resin is impregnated into slot portions 22 and hardened. The stator coil 24 is constituted by enameled wires in which a polyamideimide resin layer has been applied radially outside a copper wire and hardened, and the insulating resin contains as a major component a THEIC-modified polyester resin that has been modified by a fatty acid.

Abstract: A method for assembling semiconductor switching elements and a heat sink in a rotary electric machine includes: a first step in which bare chips of the semiconductor switching elements are bonded to the heat sink using a good heat conductive bonding material; a second step which connects the bare chips to a wiring part by wire bonding; and a third step in which a resin which seals the bare chips and the wiring part is applied to the heat sink in a striding manner in a state that output terminal portions of the wiring part and fins of the heat sink are exposed to the outside of the resin.

Abstract: Provided is a rotating electrical machine including an armature core on which an armature winding is wound; a rotor core which is supported by a rotation axis at a predetermined air gap in an inner diameter side of the armature core, and includes claw-shaped magnetic pole portions in which adjacent magnetic poles have different poles and a cylindrical portion having a field winding; and a permanent magnet which is provided in a magnetic circuit of the rotor core and supplies magnetic flux to the armature core with the field winding, wherein a magnetic short-circuiting mechanism for demagnetizing the magnetic flux of the permanent magnet by deforming a portion of the magnetic short-circuiting mechanism by a centrifugal force and short-circuiting between the magnetic pole portions of the rotor core is provided in the rotor core.

Abstract: Reinforcing body retainers are formed on an inner peripheral surface near a tip and near a root of first and second claw-shaped magnetic poles. Reinforcing bodies have a trapezoidal base portion and a pair of wing portions formed on two sides of the base portion, and slits are formed completely across a width direction of the base portion at a central portion in a height direction of the trapezoidal shape of the base portion so as to be offset toward a base of the trapezoidal shape. The reinforcing bodies are disposed so as to contact the inner peripheral surfaces of the first and second claw-shaped magnetic poles with a magnet housed and supported in each of the wing portions, and a D ring is fitted into the slits of the reinforcing bodies.

Abstract: To provide a vehicular power converter with high reliability by effectively radiating heat generated in a power circuit section and control circuit section without using a cooling fan. The vehicular power converter includes a power circuit section provided with a switching element; a control circuit section for controlling the switching element; and a housing for accommodating the power circuit section and the control circuit section, wherein a first heat conducting layer intervenes between a base plate having a first heat exchange section for cooling the power circuit section and the power circuit section; a second heat conducting layer intervenes between a cover having a second heat exchange section for cooling the control circuit section and the control circuit section; and the first heat exchange section and the second heat exchange section are disposed on one main surface side and on the other main surface side of an outer circumferential surface part of the housing, respectively.

Abstract: A hybrid-excited rotating machine comprising: a stator winding of a multi-phase Y-connection; a plurality of rotor magnetic poles fixed on a rotor shaft 3 at a predetermined spacing in the circumferential direction and confronting the inner circumference of said stator through a air gap; a plurality of permanent magnets fixed at substantially central portions of said circumferential direction of said individual rotor magnetic poles and magnetized in the radial direction of said rotor shaft; and a plurality of field windings wound individually on said rotor magnetic poles.

Abstract: [Problem] In a vehicular rotating electrical machine apparatus mounted in an electric vehicle or a hybrid electric vehicle, a rotating electrical machine apparatus in which a rotating electrical machine and an inverter unit to control the rotating electrical machine are integrated is miniaturized, and its torque characteristic and efficiency are improved. [Means for Resolution] Since an inverter unit 4 is cooled by cooling air forcibly formed by a cooling fan 28, the inverter unit 4 is efficiently cooled. Then, heat radiating fins 401a, 402a and 403a of heat sinks 401, 402 and 403 can be miniaturized, and consequently, the inverter unit 4 is miniaturized, and mountability of the inverter unit 4 to a rear bracket 19 is improved.

Abstract: A rotating electric machine for vehicles is capable of improving a cooling performance of switching elements forming an inverter module, and small-sizing the entire rotating electric machine. The rotating electric machine includes: a stator; a rotor, a cooling fan; a front bracket and a rear bracket; and a cover; and in which a pair of switching elements are disposed axially adjacent to each other between the rear bracket and the cover; a ventilation hole for sucking outside air is formed in a radially outer circumferential portion of the cover; and by rotation of the cooling fan, the outside air flows radially from the ventilation hole with respect to the switching elements and goes through a suction port and is discharged through a discharge port.

Abstract: The rotating electric machine has a stator coil wound around a stator, a magnetic pole and a signal rotor fixed to a rotor, and a detection stator, disposed opposite to the signal rotor, for detecting the rotational position of the rotor, characterized by further comprising an adjuster for adjusting the position of the signal rotor or the detection stator by supplying a direct current to a predetermined phase of the stator coil and then a direct current to a different phase from the predetermined phase to rotate the rotor by a predetermined angle or more and constrain the rotor.

Abstract: An inverter-integrated electrical rotating machine is provided in which each switching device of an inverter and power wiring and control wiring for connecting them can be highly protected electrically and mechanically while the cooling property of the switching devices can be improved. Cooling air flows led in from cooling air flow suction holes in an end wall of an inverter case simultaneously flow in parallel from the cooling air flow suction holes on inner and outer sides in the radial direction. The cooling air flows then penetrate an inverter device in an axial direction through an outer circumferential cooling air passage formed by an outer circumferential lateral plate part and an inner circumference of the inverter case and an inner circumferential cooling air passage formed between an inner circumferential lateral plate part and a cover surrounding a rotary shaft. The cooling air flows are then led into a motor housing from a cooling air flow suction hole of the housing.

Abstract: A dynamoelectric machine enabling stator winding temperature detecting precision of a temperature measuring means to be improved while also improving assembly of the dynamoelectric machine is provided. The dynamoelectric machine according to the present invention includes: a stator winding disposed in a stator; a temperature sensor for estimating a stator winding temperature of the stator winding; and a thermally-conductive bracket disposed between the stator winding and the temperature sensor. An estimated value of the stator winding temperature is calculated using a sum of a measured temperature measured by the temperature measuring means and a correcting value for correcting the measured temperature.

Abstract: To obtain an adjustment method of rotor position detection of a synchronous motor with excellent productivity. An adjustment method of rotor position detection of a synchronous motor, wherein a synchronous motor having a stator wound around a stator coil and a rotor provided with magnetic poles, and a rotational position detector having a sensor rotor fixed to the rotor and a sensor stator disposed opposite to the sensor rotor for detecting a rotational position of the rotor are provided, and wherein an amount of deviation between the rotational position of the synchronous motor determined from an output of the rotational position detector and an actual rotational position of the synchronous motor is adjusted, the method comprising: a step of detecting the amount of deviation during rotation of the synchronous motor; and a step of mechanically adjusting a relative position between the rotational position detector and the synchronous motor based on a detected value of the amount of deviation, is provided.

Abstract: Reinforcing body retainers are formed on an inner peripheral surface near a tip and near a root of first and second claw-shaped magnetic poles. Reinforcing bodies have a trapezoidal base portion and a pair of wing portions formed on two sides of the base portion, and slits are formed completely across a width direction of the base portion at a central portion in a height direction of the trapezoidal shape of the base portion so as to be offset toward a base of the trapezoidal shape. The reinforcing bodies are disposed so as to contact the inner peripheral surfaces of the first and second claw-shaped magnetic poles with a magnet housed and supported in each of the wing portions, and a D ring is fitted into the slits of the reinforcing bodies.

Abstract: An automotive staffer generator apparatus that is inexpensive and compact, enabling engine starting functions and generating functions to be made compatible by improving maximum torque without having to increase the number of turns in an armature winding. An automotive starter generator machine includes: an armature core onto which an armature winding is wound; and a rotor having: a claw-pole rotor core disposed on an inner peripheral side of the armature core; and a field winding installed on an inner peripheral side of claw-shaped magnetic poles of the claw-pole rotor core, and has a starting function for starting an engine and a generating function. Permanent magnets are disposed between adjacent claw-shaped magnetic poles.

Abstract: [Problem] In a conventional rotating electrical machine to perform starting and power generation, an inverter and a rotating electrical machine body are constructed to be separate bodies, and a three-phase harness is provided between the rotating electrical machine and the inverter, and by a voltage drop or loss in this portion, there have been limitations in the improvement of starting and power generation output, and efficiency at the time of same operating current (determined by thermal limitation of the inverter). [Means for Resolution] Since an inverter unit 22 is integrally attached to a rear bracket 44 and is integrally mounted on the end face of a rotating electrical machine 20 in an axial direction, harnesses to be connected can be made short, and reduction in weight of the harness and improvement in resistance to outer disturbance noise can be realized.

Abstract: Reinforcing body retainers are formed on an inner peripheral surface near a tip and near a root of first and second claw-shaped magnetic poles. Reinforcing bodies have a trapezoidal base portion and a pair of wing portions formed on two sides of the base portion, and slits are formed completely across a width direction of the base portion at a central portion in a height direction of the trapezoidal shape of the base portion so as to be offset toward a base of the trapezoidal shape. The reinforcing bodies are disposed so as to contact the inner peripheral surfaces of the first and second claw-shaped magnetic poles with a magnet housed and supported in each of the wing portions, and a D ring is fitted into the slits of the reinforcing bodies.