An electric motor arrangement (1) includes an electric motor (5), which includes a rotor (9), having a sensor arrangement (31) for detecting an angular position of the rotor (9), which includes a magnet (27) and a magnetic field sensor apparatus (29). The arrangement (1) also includes a housing (19), which has a rotor region (13), in which the rotor (9) is arranged, and a circuit region (15), which is spatially separated from the rotor region (13) by a housing wall (19) and in which the magnetic field sensor apparatus (29) is arranged. The rotor (9) includes an end region (23), facing the housing wall (19), containing the magnet (27). The magnetic field sensor apparatus (29) is configured to detect a magnetic field of the magnet (27) that penetrates the housing wall (19) and to provide angular position information about the angular position of the rotor (9).
A variable cam timing phaser includes a housing and a rotor defining a plurality of chambers, a first end plate, and a second end plate. The variable cam timing phaser additionally includes at least one air vent located at a center of rotation region of at least one of the housing, the rotor, the first end plate, or the second end plate. The at least one air vent is fluidly coupled to the plurality of chambers and is configured to vent air from the plurality of chambers. The variable cam timing phaser also includes a reservoir fluidly coupled to the at least one air vent. The reservoir is configured to retain hydraulic fluid and is configured to reduce air from being ingested through the at least one air vent and into the plurality of chambers.
F01L 1/344 - Valve-gear or valve arrangements, e.g. lift-valve gear characterised by the provision of means for changing the timing of the valves without changing the duration of opening changing the angular relationship between crankshaft and camshaft, e.g. using helicoidal gear
A liquid-cooled stator for an electric machine includes a stator core positioned within a housing. The housing includes a plurality of teeth and a back iron, the plurality of teeth defining an inner diameter (ID) of the stator core, and the back iron defining an outer diameter (OD) of the stator core. A winding arrangement is positioned on the stator core and includes a first plurality of end turns extending from a first axial end of the stator core and a second plurality of end turns extending from a second axial end of the stator core. A shroud is positioned on the first axial end of the stator core and covers the first plurality of end turns. An inner sleeve is connected to the ID of the stator core and extends in an axial direction beyond a first axial end of the stator core.
H02K 3/24 - Windings characterised by the conductor shape, form or construction, e.g. with bar conductors with channels or ducts for cooling medium between the conductors
H02K 9/19 - Arrangements for cooling or ventilating for machines with closed casing and closed-circuit cooling using a liquid cooling medium, e.g. oil
A liquid-cooled stator for an electric machine includes a stator core positioned within a housing, the stator core including a plurality of teeth and a back iron, the back iron defining an outer diameter (OD) of the stator. A winding arrangement is positioned on the stator core and includes end turns positioned on an axial end of the stator. At least one shroud is positioned on the axial end of the stator and covers the plurality of end turns. A stator cooling path is configured to direct a continuous flow of liquid from at least one liquid inlet to at least one liquid outlet, the stator cooling path including one section configured to direct liquid through the at least one shroud and across the first plurality of end turns and an additional section configured to direct liquid over the OD of the stator core.
H02K 1/20 - Stationary parts of the magnetic circuit with channels or ducts for flow of cooling medium
H02K 3/24 - Windings characterised by the conductor shape, form or construction, e.g. with bar conductors with channels or ducts for cooling medium between the conductors
5.
CONTINUOUS-CARRIER DISCONTINUOUS PULSE WIDTH MODULATION USING PHASE CURRENT AMPLITUDE COMPARISONS
Embodiments of the disclosure provide an inverter controller operable to perform inverter controller operations that include performing a continuous carrier alignment methodology on an inverter. The continuous carrier alignment methodology includes, for a current sampling period, evaluating a shape of a carrier waveform from a prior sampling period; and determining, based at least in part on an ending location of the carrier waveform from the prior sampling period, whether or not to insert an intermediate carrier shape into the carrier waveform during the current sampling period.
H02P 27/08 - Arrangements or methods for the control of AC motors characterised by the kind of supply voltage using variable-frequency supply voltage, e.g. inverter or converter supply voltage using DC to AC converters or inverters with pulse width modulation
H02M 7/5387 - Conversion of DC power input into AC power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only, e.g. single switched pulse inverters in a bridge configuration
H02M 7/5395 - Conversion of DC power input into AC power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only, e.g. single switched pulse inverters with automatic control of output wave form or frequency by pulse-width modulation
A rotor of a motor and method of assembly. The rotor includes a shaft hub. A plurality of ministacks is disposed along a length of the shaft hub to form a stack having a stack length. Each ministack has a same length and the stack length is less than a hub length of the shaft hub. The rotor can be placed in a stator core to assemble the motor.
H02K 15/03 - Processes or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines of stator or rotor bodies having permanent magnets
H02K 1/276 - Magnets embedded in the magnetic core, e.g. interior permanent magnets [IPM]
A sealed stator for an electric machine includes a stator core, windings, an end ring, and a sealant, such as a sealing gasket. The stator core includes a plurality of stator slots with axial openings to the slots. The windings are positioned on the stator core and include a plurality of interconnected conductors extending through the plurality of stator slots. The end ring is coupled to the stator core and includes a plurality of openings arranged circumferentially around the end ring, wherein the plurality of openings in the end ring are aligned with the axial openings to the stator slots. The sealant is positioned between the stator core and the end ring and seals the end ring to the stator core.
H02K 1/18 - Means for mounting or fastening magnetic stationary parts on to, or to, the stator structures
H02K 3/34 - Windings characterised by the shape, form or construction of the insulation between conductors or between conductor and core, e.g. slot insulation
H02K 11/25 - Devices for sensing temperature, or actuated thereby
8.
DESIGN AND PROCESS TO PRESS A LONG PIN INTO A STATOR LAMINATION HOLE
A method for securing a stator, including aligning a pin with an opening in a lamination stack, holding the pin with a support, the support having a surface thereof that is located at a distance from the lamination stack of at least 40 percent of a length of the pin that is exposed outside the lamination stack, and press fitting the pin into the opening. An electric machine, including a stator including a lamination stack having a first end and a second end and an ear depending from the stack, the ear including an opening, and a pin disposed, in press fit relationship, with the stator, the pin extending beyond the first and the second ends of the stator.
H02K 15/02 - Processes or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines of stator or rotor bodies
B23P 19/02 - Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformationTools or devices therefor so far as not provided for in other classes for connecting objects by press fit or for detaching same
H02K 1/18 - Means for mounting or fastening magnetic stationary parts on to, or to, the stator structures
A stator for an electric machine includes a stator core, windings, a first end ring, and a second end ring. The stator core includes a plurality of slots and the windings include a plurality of interconnected conductors that extend through the plurality of slots. The windings further include U-shaped end turns on an insertion end of the stator core and weld end turns on a connection end of the stator core. The first end ring is coupled to the insertion end of the stator core and includes a plurality of openings and a plurality of radial ribs. The U-shaped end turns engage the radial ribs of the first end ring. The second end ring is coupled to the connection end of the stator core. The weld end turns are bent around the radial ribs of the second end ring.
H02K 1/18 - Means for mounting or fastening magnetic stationary parts on to, or to, the stator structures
H02K 3/34 - Windings characterised by the shape, form or construction of the insulation between conductors or between conductor and core, e.g. slot insulation
H02K 11/25 - Devices for sensing temperature, or actuated thereby
10.
Sealed Stator for Electric Machine and Method for Making the Same
A sealed stator for an electric machine is disclosed herein. In at least one embodiment, the sealed stator includes a stator core, stator windings positioned on the stator core, and an end ring coupled to the stator core. The stator core includes a plurality of slots. The windings include a plurality of interconnected conductors extending through the plurality of slots in the stator core. The end ring includes a plurality of segments arranged circumferentially around the end ring, each of the plurality of segments comprising a pocket compartment defined between two radial ribs. Each pocket compartment includes a radially outward pocket floor and a radially inward opening through the end ring. The plurality of interconnected conductors further extend through the openings in the end ring.
H02K 9/197 - Arrangements for cooling or ventilating for machines with closed casing and closed-circuit cooling using a liquid cooling medium, e.g. oil in which the rotor or stator space is fluid-tight, e.g. to provide for different cooling media for rotor and stator
11.
STATIONARY VEHICLE BATTERY CHARGER WITH MATRIX CONVERTER AND HALF-BRIDGE MOSFETS
A stationary vehicle battery charger for charging vehicle batteries in battery electric vehicles (BEVs) includes a plurality of MOSFET modules, electrically connected to form a matrix converter, comprising a plurality of MOSFET switches, each MOSFET switch including a body diode and capable of bidirectional electrical current flow while the MOSFET switch is conductive, such that a MOSFET switch from a first MOSFET module and a MOSFET switch from a second, different MOSFET module are electrically coupled so that the body diodes prevent bidirectional current flow while the MOSFET switch from the first MOSFET module and the MOSFET switch from the second, different MOSFET module are non-conductive.
B60L 53/22 - Constructional details or arrangements of charging converters specially adapted for charging electric vehicles
H02J 7/00 - Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
H02M 5/293 - Conversion of AC power input into AC power output, e.g. for change of voltage, for change of frequency, for change of number of phases without intermediate conversion into DC by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only
12.
OPTIMIZATION OF SWITCHING FREQUENCY AND PULSE WIDTH MODULATION TECHNIQUE FOR TRACTION POWER INVERTERS
A method of operating a power inverter for an electric machine includes selecting an inverter switching technique; determining a frequency range for inverter switching; determining a direct current (DC) voltage range for inverter switching; determining an optimal switching map including an inverter switching technique and frequency selection for each value of torque-speed on a torque-speed curve; and controlling switches included in the power inverter using the optimal switching map.
B60L 15/20 - Methods, circuits or devices for controlling the propulsion of electrically-propelled vehicles, e.g. their traction-motor speed, to achieve a desired performanceAdaptation of control equipment on electrically-propelled vehicles for remote actuation from a stationary place, from alternative parts of the vehicle or from alternative vehicles of the same vehicle train for control of the vehicle or its driving motor to achieve a desired performance, e.g. speed, torque, programmed variation of speed
B60L 15/04 - Methods, circuits or devices for controlling the propulsion of electrically-propelled vehicles, e.g. their traction-motor speed, to achieve a desired performanceAdaptation of control equipment on electrically-propelled vehicles for remote actuation from a stationary place, from alternative parts of the vehicle or from alternative vehicles of the same vehicle train characterised by the form of the current used in the control circuit using DC
H02M 7/5395 - Conversion of DC power input into AC power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only, e.g. single switched pulse inverters with automatic control of output wave form or frequency by pulse-width modulation
13.
FILTER TO SUPPRESS CURRENT CIRCULATION IN ROTATING ELECTRICAL MACHINE
A three-phase alternating current (AC) synchronous machine including a stator having a plurality of stator slots; a plurality of stator windings arranged in a Delta connection and received within the stator slots; and a common mode filter included with the stator, wherein filter windings from the common mode filter are circumferentially wound around a magnetic core of the common mode filter and are serial connected to the stator windings.
H02K 11/02 - Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection for suppression of electromagnetic interference
B60L 50/51 - Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells characterised by AC-motors
A brushless electric machine includes a housing, a stator assembly, a rotor assembly, a rotary transformer, and a rectifier. The stator assembly is arranged within the housing and includes a stator winding provided on a stator core. The rotor assembly is also positioned within the housing with an airgap separating the rotor assembly from the stator assembly. The rotor assembly includes a rotor shaft, a rotor winding, and a balance ring. The rotary transformer is positioned within the housing and includes a primary coil and a secondary coil. The rectifier includes a plurality of diodes positioned on the balance ring. The rectifier is electrically connected between the secondary coil and the rotor winding.
An electrical machine includes a wound field rotor. The wound field rotor includes a shaft defining a longitudinal axis, a plurality of laminations mounted to an outer surface of the shaft and including rotor teeth defining an axial channel along the longitudinal axis, a plurality of field windings disposed in the axial channel, and a field separator disposed in the axial channel to secure the plurality of field windings in the axial channel. The field separator includes a post at an axial end of the field separator, the post having a passage therethrough to allow a fluid to flow out of the axial channel and into a side channel at an end of the rotor.
H02K 3/24 - Windings characterised by the conductor shape, form or construction, e.g. with bar conductors with channels or ducts for cooling medium between the conductors
A motor housing 20 for an axial flux motor 10. The motor housing 20 includes at least one housing portion 22, 24 which is of at least partially double-walled configuration, in order to configure an internal cooling channel 40 in the housing portion 22, 24. The cooling channel 40 extends in a substantially annular manner in the circumferential direction 6 between an inlet 41a and an outlet 41b, in order, during operation, to produce a first cooling flow 82 which flows substantially in the circumferential direction 6 through the cooling channel 40. Furthermore, the cooling channel 40 includes a plurality of transverse ribs 50.
An electric drive system in a battery electric vehicle (BEV) includes an output shaft, configured to couple with a drive wheel of the BEV, having a face gear at a distal end; a differential, including a pinion gear cage receiving pinion gears rotatably connected to the pinion gear cage via gear pins, having radially-outwardly-facing gear teeth that are oriented at a non-zero angle relative to an axis of rotation; and a housing receiving the differential that is configured to couple to a rotating electrical machine of the BEV, and engages the radially-outwardly-facing gear teeth preventing radial and axial movement of the differential relative to the housing, wherein the pinion gears engage the face gear and permit angular displacement of the output shaft relative to another output shaft.
An electric drive system in a battery electric vehicle (BEV) includes an output shaft, configured to couple with a drive wheel of the BEV, having a face gear at a distal end; a differential, including a pinion gear cage receiving pinion gears rotatably connected to the pinion gear cage via gear pins; and a housing that receives the differential having an outer surface that is configured to couple to a rotating electrical machine of the BEV, wherein the pinion gears engage the face gear and permit angular displacement of the output shaft relative to another output shaft.
An electric drive system in a battery electric vehicle (BEV) includes an output shaft, configured to couple with a drive wheel of the BEV, having a face gear at a distal end; a differential, including a reduced diameter pinion gear cage receiving reduced axial length pinion gears rotatably connected to the reduced diameter pinion gear cage via gear pins; and a housing that receives the differential having an outer surface that is configured to couple to a rotating electrical machine of the BEV, such that the reduced axial length pinion gears engage the face gear and permit angular displacement of the output shaft relative to another output shaft.
An electric drive system in a battery electric vehicle (BEV) includes an output shaft, configured to couple with a drive wheel of the BEV, having a face gear at a distal end; a differential, including a pinion gear cage receiving pinion gears rotatably connected to the pinion gear cage via gear pins; and a housing that receives the differential having an outer surface that is configured to couple to a rotating electrical machine of the BEV, wherein the pinion gears engage the face gear and permit angular displacement of the output shaft relative to another output shaft.
F16H 48/40 - Constructional details characterised by features of the rotating cases
B60K 1/00 - Arrangement or mounting of electrical propulsion units
F16H 48/10 - Differential gearings with gears having orbital motion with orbital spur gears
H02K 7/00 - Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
H02K 7/116 - Structural association with clutches, brakes, gears, pulleys or mechanical starters with gears
21.
Stator Winding Arrangement with Connections for Adjacent Diamond Coils
A stator for an electric machine includes a winding arrangement including a plurality of parallel paths. Each parallel path includes a plurality of coils arranged on the core, each coil defined by coil legs and end turns, the coil legs including left legs and right legs extending through the slots of the core and arranged in layers within the slots. The left legs and right legs of each coil are connected by first end turns at one end of the core and second end turns at an opposite end of the core. The plurality of coils of each parallel path include a first pair of adjacent coils connected in series and a second pair of adjacent coils connected in series. Additionally, an extended coil connection connects the first pair of adjacent coils and the second pair of adjacent coils in series.
Disclosed is a flow heater having an inlet, an outlet, and an electrical interface. The flow heater includes multiple heater modules that each have a module inlet connected to the inlet, a module outlet connected to the outlet, a heating element for heating liquid flowing from the module inlet to the module outlet, and an electrical module interface connected to the electrical interface.
F24H 1/10 - Continuous-flow heaters, i.e. heaters in which heat is generated only while the water is flowing, e.g. with direct contact of the water with the heating medium
A drive module assembly for use in a vehicle includes a housing defining a housing interior and an electric machine. The electric machine includes a rotor and a stator. The drive module assembly includes a first input shaft, a second input shaft, a first output shaft, a second output shaft, and a differential disposed downstream of at least the rotor. The drive module assembly also includes a gearset, a clutch, and a park lock. The gearset, the clutch, and the park lock are disposed downstream of the differential such that the gearset and the clutch are configured receive rotational torque from the differential through the first and second output shafts.
F16H 37/08 - Combinations of mechanical gearings, not provided for in groups comprising essentially only toothed or friction gearings with a plurality of driving or driven shaftsCombinations of mechanical gearings, not provided for in groups comprising essentially only toothed or friction gearings with arrangements for dividing torque between two or more intermediate shafts with differential gearing
B60K 1/00 - Arrangement or mounting of electrical propulsion units
B60K 6/365 - Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs characterised by the transmission gearings with the gears having orbital motion
B60K 17/04 - Arrangement or mounting of transmissions in vehicles characterised by arrangement, location or kind of gearing
B60K 17/16 - Arrangement or mounting of transmissions in vehicles characterised by arrangement, location or kind of gearing of differential gearing
A drive module assembly for use in a vehicle includes a housing defining a housing interior, and an electric machine including a rotor and a stator. The drive module assembly also includes a differential rotatably coupled to the rotor, a first input shaft rotatably coupled to the differential, a second input shaft rotatably coupled to the differential, a first counter shaft rotatably coupled to the first input shaft, a second counter shaft rotatably coupled to the second input shaft, a first output shaft rotatably coupled to the first counter shaft, and a second output shaft rotatably coupled to the second counter shaft. The differential is configured to receive rotational torque from the electric machine and configured to transmit rotational torque from the electric machine to the first and second input shafts.
B60K 6/40 - Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs characterised by the assembly or relative disposition of components
B60K 1/00 - Arrangement or mounting of electrical propulsion units
A drive module assembly for use in a vehicle includes a housing defining a housing interior and an electric machine. The electric machine includes a rotor and a stator. The drive module assembly includes a first input shaft, a second input shaft, a first output shaft, a second output shaft, and a differential disposed downstream of at least the rotor. The drive module assembly also includes a gearset, a clutch, and a park lock. The gearset, the clutch, and the park lock are disposed downstream of the differential such that the gearset and the clutch are configured receive rotational torque from the differential through the first and second output shafts.
B60K 6/40 - Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs characterised by the assembly or relative disposition of components
B60K 1/00 - Arrangement or mounting of electrical propulsion units
B60K 17/16 - Arrangement or mounting of transmissions in vehicles characterised by arrangement, location or kind of gearing of differential gearing
F16H 48/30 - Arrangements for suppressing or influencing the differential action, e.g. locking devices using externally-actuatable means
A drive module assembly for use in a vehicle includes a housing defining a housing interior, and an electric machine including a rotor and a stator. The drive module assembly also includes a differential rotatably coupled to the rotor, a first input shaft rotatably coupled to the differential, a second input shaft rotatably coupled to the differential, a first counter shaft rotatably coupled to the first input shaft, a second counter shaft rotatably coupled to the second input shaft, a first output shaft rotatably coupled to the first counter shaft, and a second output shaft rotatably coupled to the second counter shaft. The differential is configured to receive rotational torque from the electric machine and configured to transmit rotational torque from the electric machine to the first and second input shafts.
F16H 37/08 - Combinations of mechanical gearings, not provided for in groups comprising essentially only toothed or friction gearings with a plurality of driving or driven shaftsCombinations of mechanical gearings, not provided for in groups comprising essentially only toothed or friction gearings with arrangements for dividing torque between two or more intermediate shafts with differential gearing
B60K 1/00 - Arrangement or mounting of electrical propulsion units
B60K 6/36 - Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs characterised by the transmission gearings
B60K 17/04 - Arrangement or mounting of transmissions in vehicles characterised by arrangement, location or kind of gearing
B60K 17/354 - Arrangement or mounting of transmissions in vehicles for driving both front and rear wheels, e.g. four wheel drive vehicles having separate mechanical assemblies for transmitting drive to the front or to the rear wheels or set of wheels
B60K 17/356 - Arrangement or mounting of transmissions in vehicles for driving both front and rear wheels, e.g. four wheel drive vehicles having fluid or electric motor, for driving one or more wheels
An electric motor includes a stator and rotor. The stator includes a stator core defining a stator bore, and a plurality of windings having end turns extending from the stator core. This includes a central region configured to be disposed in the stator bore, and first and second end regions extending from the central region and aligned with the end turns of the plurality of windings. The rotor defines a cooling bore in fluid communication with a low-pressure cooling fluid source and includes a plurality of cooling jets in fluid communication with the cooling bore and disposed in the first and second end regions. The plurality of cooling jets extends radially outward such that each cooling jet is configured to pull cooling fluid through the cooling bore and eject cooling fluid toward the end turns in response to centrifugal force caused by rotation of the rotor within the stator bore.
An automatic mechanical tensioner assembly with a shipping and installation position in which a collar engages a fixed hollow sleeve, limiting or securing a moveable tensioner housing in place against the force of a spring. The collar has a semicircular body defining an inner circumference extending from a first end to a second end of the body. The semicircular body has two axially extending flanges defining a cutout, and a collar tab extending radially from the semicircular body. In the shipping and installation position, the first end of the collar engages with a delivery groove of the hollow sleeve, biasing the moveable housing towards an anti-rotation washer engaged with an end of the fixed hollow sleeve and compressing the spring.
BOARD OF TRUSTEES OF MICHIGAN STATE UNIVERSITY (USA)
Inventor
Di Carlo, Luca
Lee, Woongkul
Wightman, Brian C.
Abstract
A direct current (DC) fast charger for charging batteries of electric vehicles (EVs) that includes a primary circuit, with seven bidirectional switches, electrically linked to a primary wire of a transformer and configured to receive alternating current (AC) voltage; and a secondary circuit, including a plurality of diodes arranged to rectify AC voltage into DC voltage, that is electrically linked to a secondary wire of the transformer, such that the DC fast charger unidirectionally converts AC voltage received at the primary circuit into DC voltage output by the secondary circuit.
B60L 53/10 - Methods of charging batteries, specially adapted for electric vehiclesCharging stations or on-board charging equipment thereforExchange of energy storage elements in electric vehicles characterised by the energy transfer between the charging station and the vehicle
B60L 55/00 - Arrangements for supplying energy stored within a vehicle to a power network, i.e. vehicle-to-grid [V2G] arrangements
H02M 7/219 - Conversion of AC power input into DC power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only in a bridge configuration
30.
CONTROL SYSTEM FOR DYNAMIC CURRENT LIMITS ON A ROTATING ELECTRICAL MACHINE
A control system for generating a modified torque command for a rotating electrical machine in a battery electric vehicle (BEV) includes a microprocessor, capable of reading executable commands stored in non-volatile memory, configured to electrically connect to an inverter, determine a rated maximum current of the rotating electrical machine, receive sensor input indicating a temperature or estimating the temperature of at least one portion of the BEV, output a modified maximum current based on the received sensor input, and generate a torque command to the rotating electrical machine based on the modified maximum current.
H02P 29/032 - Preventing damage to the motor, e.g. setting individual current limits for different drive conditions
B60L 15/20 - Methods, circuits or devices for controlling the propulsion of electrically-propelled vehicles, e.g. their traction-motor speed, to achieve a desired performanceAdaptation of control equipment on electrically-propelled vehicles for remote actuation from a stationary place, from alternative parts of the vehicle or from alternative vehicles of the same vehicle train for control of the vehicle or its driving motor to achieve a desired performance, e.g. speed, torque, programmed variation of speed
H02P 29/64 - Controlling or determining the temperature of the winding
H02P 29/66 - Controlling or determining the temperature of the rotor
H02P 29/68 - Controlling or determining the temperature of the motor or of the drive based on the temperature of a drive component or a semiconductor component
31.
ENTRYWAY SYSTEM INCLUDING TURBOCHARGER AND VANE PACK
An entryway system including a turbocharger for receiving exhaust gas and delivering compressed air to an internal combustion engine. The system also includes a vane pack having a vane ring with a plurality of vanes disposed thereon. The vane pack includes a plurality of spacers positioned adjacent to a leading or trailing edge of a respective vane and with each spacer separated from an adjacent spacer by at least at least one vane. A vane clearance distance defined between any portion of an adjacent side of a first vane and the vane ring surface of the vane ring is greater than a vane clearance distance defined between any portion of an adjacent side of a second vane and the vane ring surface of the vane ring so as to manipulate a vane moment associated with the first vane that occurs during the operation of the system.
A battery electric vehicle (BEV) charging station includes at least one power module having a plurality of switches that rectify alternating current (AC) electrical power received from a power grid into direct current (DC) electrical power supplied to a BEV; at least one switched mode power supply (SMPS) internal to the power module; and operational equipment electrically connected to the SMPS in the power control module.
A stator arrangement for an electric machine has a stator and an interconnection module. The stator includes a stator core on which a stator winding is arranged. The interconnection module electrically interconnects winding wire ends of the stator winding. The interconnection module is positioned on the stator on an end side. The interconnection module includes integral electrical terminal conductors which are embedded at least partially in a body of an electrically insulating material. The terminal conductors each form a terminal contact to which an external power supply and/or control of the stator arrangement can be connected, and a winding contact which is electrically conductively connected to a winding wire end.
A rotor for an external rotor motor is described, having a stack of ferromagnetic steel sheets, permanent magnets which are fastened to an inner side of the stack, and a carrier which has a hub for a shaft and is fastened to the stack. It is provided that the carrier is connected to the stack by a shaft-hub connection.
A housing component for an electric motor is described, comprising a stator receptacle for a stator of the electric motor and an inner part which projects into the stator receptacle. The inner part forms a sleeve for receiving a shaft of the electric motor and an inner annular space, which is arranged between the stator receptacle and the sleeve. In addition, an electric motor with such a housing component is disclosed.
H02K 5/20 - Casings or enclosures characterised by the shape, form or construction thereof with channels or ducts for flow of cooling medium
H02K 1/18 - Means for mounting or fastening magnetic stationary parts on to, or to, the stator structures
H02K 5/10 - Casings or enclosures characterised by the shape, form or construction thereof with arrangements for protection from ingress, e.g. of water or fingers
A rotor for an external rotor motor is described, comprising a stack of annular sheets made of steel, permanent magnets which are attached to an inner side of the stack of sheets, and a carrier which has a hub for a shaft and is attached to the stack of sheets. Tie rods are provided which project in the axial direction through the carrier and the stack of sheets and pull the stack of sheets against the carrier.
A method for balancing a rotor of an external rotor motor is described. The rotor has a back iron ring, permanent magnets attached to the inside of the back iron ring, and a carrier which is attached to the back iron ring and forms a hub for a shaft. Material is removed from the carrier at several points which are arranged at an axial distance from one another in order to eliminate imbalance.
Disclosed is an electric motor having a stator, a rotor surrounding the stator, a shaft connected to the rotor in a rotationally fixed manner, and a housing that surrounds the rotor and the stator. The shaft has a first end arranged in the housing and a second end projecting out of the housing. The rotor has a back iron ring and permanent magnets attached to the inside of the back iron ring. The rotor has a carrier via which the back iron ring is connected to the shaft and through which the shaft projects, and the carrier is attached to the shaft between the second end of the shaft and bearings. The bearings include a floating bearing and a fixed bearing.
H02K 7/00 - Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
A rotor for an external rotor motor is described. The rotor has a back iron ring made of ferromagnetic steel, permanent magnets which are fastened to an inner side of the back iron ring, and a carrier made of non-ferromagnetic material which has a hub for a shaft and is fastened to the back iron ring. According to this disclosure, the carrier has a slot into which the back iron ring is inserted.
A stator arrangement (10) for a radial flux motor (100) having an axis of rotation (100a). The stator arrangement (10) includes a stator housing (20), a stator (40) and an encapsulation body (50). The stator housing (20) defines a circumferential portion (30) for receiving the stator. The stator (40) is arranged on the circumferential portion (30). Furthermore, the stator (40) is encapsulated in the stator housing (20), wherein the encapsulation body (50) is form-fittingly connected to the stator housing (20) in such a manner that the stator (40) is secured at least in the axial direction (2) in the stator housing (20) by the encapsulation body (50).
H02K 1/18 - Means for mounting or fastening magnetic stationary parts on to, or to, the stator structures
H02K 7/14 - Structural association with mechanical loads, e.g. with hand-held machine tools or fans
H02K 15/02 - Processes or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines of stator or rotor bodies
H02K 15/12 - Impregnating, moulding insulation, heating or drying of windings, stators, rotors or machines
H05K 7/20 - Modifications to facilitate cooling, ventilating, or heating
41.
ROTATING DETONATION COMBUSTOR SYSTEM AND METHOD OF OPERATING THE ROTATING DETONATION COMBUSTOR SYSTEM
A rotating detonation combustor system includes a rotating detonation combustor having an outer wall, and inner wall, and a combustion chamber configured to receive a fuel and an oxidizing agent and expel exhaust gas. The rotating detonation combustor system also includes a turbine wheel in fluid communication with the combustion chamber and configured to rotate upon receiving the exhaust gas, a shaft rotatable with the turbine wheel, and a compressor wheel rotatable with the shaft, in fluid communication with the combustion chamber, and configured to deliver compressed oxidizing agent to the combustion chamber. The rotating detonation combustor system further includes an electric machine rotatable with the shaft. The electric machine is configured to convert at least one of rotational motion of the shaft to electrical energy, and electrical energy to rotational motion of the shaft.
F02C 5/02 - Gas-turbine plants characterised by the working fluid being generated by intermittent combustion characterised by the arrangement of the combustion chamber in the plant
F02C 3/14 - Gas-turbine plants characterised by the use of combustion products as the working fluid characterised by the arrangement of the combustion chamber in the plant
F23R 7/00 - Intermittent or explosive combustion chambers
A stator arrangement for an electric machine includes a stator comprising a stator core on which a stator winding has been arranged. The arrangement also includes an interconnection module for electrically interconnecting winding wire ends of the stator winding. The interconnection module is positioned on the stator on the end side. The interconnection module comprises integral electrical terminal conductors which are embedded at least partially in a body including an electrically insulating material. The terminal conductors each form a terminal contact to which an external power supply and/or control of the stator arrangement can be connected and a winding contact which is electrically conductively connected to a winding wire end.
A stator comprises a core having teeth, at least a first end cap and second end cap which each have a base and a winding wire support. The end caps are arranged on the same tooth so that the bases are directed toward the front sides of the tooth. The stator also has a winding having at least one winding wire which is wound over the end caps around the tooth. The support has two projections which project at opposite sides over the base. The wire extends over the projections of the first and second end caps. An insulation film comprises front edges and extends between one of the projections of the first end cap and the opposite projection of the second end cap and is arranged between the wire and the tooth. The wire extends over the projections without applying any force action to the front edges of the film.
H02K 3/24 - Windings characterised by the conductor shape, form or construction, e.g. with bar conductors with channels or ducts for cooling medium between the conductors
H02K 3/32 - Windings characterised by the shape, form or construction of the insulation
H02K 3/34 - Windings characterised by the shape, form or construction of the insulation between conductors or between conductor and core, e.g. slot insulation
H02K 3/52 - Fastening salient pole windings or connections thereto
An electrical system configured to control an electrically-excited electric motor, including: an inverter configured to supply alternating current (AC) electrical power to the electrically-excited electric motor; the electrically-excited electric motor, including: a rotor having a rotor winding; and a stator having a stator winding; the stator winding is electrically connected to the inverter and the rotor winding is electrically connected to the inverter such that the stator winding receives an electrical current from the inverter and supplies a direct current (DC) component to the rotor.
H02P 27/06 - Arrangements or methods for the control of AC motors characterised by the kind of supply voltage using variable-frequency supply voltage, e.g. inverter or converter supply voltage using DC to AC converters or inverters
B60L 15/20 - Methods, circuits or devices for controlling the propulsion of electrically-propelled vehicles, e.g. their traction-motor speed, to achieve a desired performanceAdaptation of control equipment on electrically-propelled vehicles for remote actuation from a stationary place, from alternative parts of the vehicle or from alternative vehicles of the same vehicle train for control of the vehicle or its driving motor to achieve a desired performance, e.g. speed, torque, programmed variation of speed
45.
THREE-PHASE TO THREE-PHASE DIRECT MATRIX CONVERTER
BOARD OF TRUSTEES OF MICHIGAN STATE UNIVERSITY (USA)
Inventor
Lee, Woongkul
Wightman, Brian
Abstract
A direct current (DC) fast charger for charging batteries of electric vehicles (EVs) including a primary circuit, having nine switches, electrically linked to primary wires of a transformer and configured to receive three-phase alternating current (AC) power and increase the frequency of the AC power; and a secondary circuit, including six switches or diodes arranged to rectify AC voltage into DC power, that is electrically linked to a secondary wire of the transformer.
B60L 53/10 - Methods of charging batteries, specially adapted for electric vehiclesCharging stations or on-board charging equipment thereforExchange of energy storage elements in electric vehicles characterised by the energy transfer between the charging station and the vehicle
H02J 3/32 - Arrangements for balancing the load in a network by storage of energy using batteries with converting means
H02M 3/335 - Conversion of DC power input into DC power output with intermediate conversion into AC by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate AC using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only
H02M 7/797 - Conversion of AC power input into DC power outputConversion of DC power input into AC power output with possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only
A stator arrangement (10) for a radial flux motor (100) having an axis of rotation (100a). The stator arrangement (10) comprises a stator housing (20), a stator (40) and an encapsulation body (50). The stator housing (20) defines a circumferential portion (30) for receiving the stator. The stator (40) is arranged on the circumferential portion (30). Furthermore, the stator (40) is encapsulated in the stator housing (20), wherein the encapsulation body (50) is form-fittingly connected to the stator housing (20) in such a manner that the stator (40) is secured at least in the axial direction (2) in the stator housing (20) by the encapsulation body (50).
H02K 15/12 - Impregnating, moulding insulation, heating or drying of windings, stators, rotors or machines
H02K 21/22 - Synchronous motors having permanent magnetsSynchronous generators having permanent magnets with stationary armatures and rotating magnets with magnets rotating around the armatures, e.g. flywheel magnetos
An electric motor having a cooling channel which leads through an interior space surrounded by a stator and a housing comprises a first housing component, which forms a base opposite a first axial end of the stator, and a second housing component opposite a second axial end of the stator as a cover, and the first housing component has an inlet and an outlet for cooling liquid and an inner part which projects into the stator. The inner part forms a sleeve, in which the first end of the shaft is arranged, and the inner part also forms an annular space which is arranged between the stator and the sleeve, wherein a cooling channel section for cooling the stator extends in this annular space, and wherein at least one bearing of the shaft is arranged in the sleeve.
H02K 5/20 - Casings or enclosures characterised by the shape, form or construction thereof with channels or ducts for flow of cooling medium
H02K 5/173 - Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields using bearings with rolling contact, e.g. ball bearings
H02K 9/19 - Arrangements for cooling or ventilating for machines with closed casing and closed-circuit cooling using a liquid cooling medium, e.g. oil
H02K 11/33 - Drive circuits, e.g. power electronics
H02K 21/22 - Synchronous motors having permanent magnetsSynchronous generators having permanent magnets with stationary armatures and rotating magnets with magnets rotating around the armatures, e.g. flywheel magnetos
48.
ROTOR FOR AN EXTERNAL ROTOR MOTOR AND METHOD OF MANUFACTURING A ROTOR FOR AN EXTERNAL ROTOR MOTOR
A rotor for an external rotor motor is described, with an annular stack of sheets made of steel, permanent magnets which are fastened to an inner side of the stack of sheets, and a carrier which has a hub for a shaft and is fastened to the stack of sheets. Brackets are arranged on an outer side of the stack of sheets and press the stack of sheets against the carrier in the axial direction. In addition, a method for manufacturing a rotor for an external rotor motor is disclosed.
H02K 15/03 - Processes or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines of stator or rotor bodies having permanent magnets
An electric motor has a stator and a rotor. A shaft is attached to the rotor and is supporting by a rolling bearing. The rolling bearing is a double-row angular rolling bearing.
F16C 19/28 - Bearings with rolling contact, for exclusively rotary movement with bearing rollers essentially of the same size in one or more circular rows, e.g. needle bearings for radial load mainly with two or more rows of rollers
An electric motor is described, with a stator, a rotor surrounding the stator, a shaft connected to the rotor in a rotationally fixed manner, a first housing component and a second housing component, which together enclose a motor compartment in which the rotor and the stator are arranged, wherein a first end of the shaft is arranged in the motor compartment, and a second end of the shaft protrudes from an opening of the second housing component. It is envisaged that the first housing component, together with a third housing component, encloses an electronics compartment in which control electronics are arranged, wherein a wall of the first housing component separates the motor compartment from the electronics compartment, and the control electronics have a circuit board whose board plane faces the said wall.
H02K 5/20 - Casings or enclosures characterised by the shape, form or construction thereof with channels or ducts for flow of cooling medium
H02K 1/20 - Stationary parts of the magnetic circuit with channels or ducts for flow of cooling medium
H02K 5/10 - Casings or enclosures characterised by the shape, form or construction thereof with arrangements for protection from ingress, e.g. of water or fingers
H02K 5/22 - Auxiliary parts of casings not covered by groups , e.g. shaped to form connection boxes or terminal boxes
H02K 11/30 - Structural association with control circuits or drive circuits
An electric motor has a stator, a rotor surrounding the stator, a shaft connected to the rotor in a rotationally fixed manner, and a housing. The housing has first and second housing components, which together enclose a motor compartment in which are arranged the stator and the rotor. A cooling channel extends in an interior space surrounded by the stator. A first end of the shaft is arranged in the motor compartment and a second end of the shaft protrudes from the housing. The first housing component has an inner part which protrudes into the stator. In accordance with this disclosure, it is envisaged that an insert is arranged in the interior space surrounded by the stator, which insert, together with the inner part of the first housing component, defines at least one section of the cooling channel.
H02K 5/20 - Casings or enclosures characterised by the shape, form or construction thereof with channels or ducts for flow of cooling medium
H02K 5/18 - Casings or enclosures characterised by the shape, form or construction thereof with ribs or fins for improving heat transfer
H02K 9/19 - Arrangements for cooling or ventilating for machines with closed casing and closed-circuit cooling using a liquid cooling medium, e.g. oil
H02K 21/22 - Synchronous motors having permanent magnetsSynchronous generators having permanent magnets with stationary armatures and rotating magnets with magnets rotating around the armatures, e.g. flywheel magnetos
An electric motor has a shaft, a stator with windings, and a rotor surrounding the stator and having a back-iron ring. Permanent magnets are arranged on an inner side of the back-iron ring, and a carrier connects the back-iron ring to the shaft. A housing encloses the rotor and the stator and has an opening through which the shaft projects. The carrier has several circulation openings and several flow guide ribs for air circulation in one end face.
H02K 5/10 - Casings or enclosures characterised by the shape, form or construction thereof with arrangements for protection from ingress, e.g. of water or fingers
H02K 5/20 - Casings or enclosures characterised by the shape, form or construction thereof with channels or ducts for flow of cooling medium
An electric generator system includes a rotating detonation combustor having an outer wall, an inner wall, and a combustion chamber configured to receive a fuel and an oxidizing agent and expel exhaust gas. The electric generator system also includes a first turbine wheel in fluid communication with the combustion chamber and configured to rotate upon receiving the exhaust gas, a shaft rotatable with the first turbine wheel, and a compressor wheel rotatable with the shaft, in fluid communication with the combustion chamber, and configured to deliver compressed oxidizing agent to the combustion chamber. The electric generator system further includes a second turbine wheel in fluid communication with the first turbine wheel and configured to rotate upon receiving the exhaust gas from the first turbine wheel, and an electric generator rotatable with the second turbine wheel and configured to convert rotational motion of the second turbine wheel to electrical energy.
H02K 7/18 - Structural association of electric generators with mechanical driving motors, e.g.with turbines
H02K 7/00 - Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
H02K 9/14 - Arrangements for cooling or ventilating wherein gaseous cooling medium circulates between the machine casing and a surrounding mantle
A stator comprises a stator core having stator teeth, a first end cap and second end cap which each have a base and a winding wire support, wherein the end caps are arranged on the same stator tooth so that the bases are directed toward front sides of the stator tooth, and a stator winding having a wire which is wound over the end caps around the stator tooth. The winding wire support has two projections which project at opposite sides over the base. The wire extends over the projections of the end caps. An insulation film comprises front edges and extends between one of the projections of the first end cap and the opposite projection of the second end cap. The film is arranged between the wire and the stator tooth. The wire extends over the projections without applying any force action to the front edges of the film.
A microturbine generator including a power electronics assembly, including a motor controller and a DC/AC inverter mounted on a PCB, configured to electrically couple to a turbine assembly having a turbine and an electrical generator coupled via a shaft; and a cooling plate directly abutting the motor controller and the DC/AC inverter, wherein the power electronics assembly and cooling plate are enclosed within a housing.
H02K 7/18 - Structural association of electric generators with mechanical driving motors, e.g.with turbines
H02K 7/00 - Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
H02K 9/19 - Arrangements for cooling or ventilating for machines with closed casing and closed-circuit cooling using a liquid cooling medium, e.g. oil
H02P 27/06 - Arrangements or methods for the control of AC motors characterised by the kind of supply voltage using variable-frequency supply voltage, e.g. inverter or converter supply voltage using DC to AC converters or inverters
56.
CONTROL SYSTEM FOR REGULATING HARMONIC TORQUE DISTURBANCES IN AN ELECTRIC VEHICLE
A control system for generating a torque command for an electric motor carried by an electric vehicle (EV) including a motion observer configured to receive an angular position of an output shaft of the electric motor and an ideal torque command and output an estimated disturbance torque value; and a controller configured to receive the estimated disturbance torque value as well as output a harmonic disturbance torque value.
B60L 3/00 - Electric devices on electrically-propelled vehicles for safety purposesMonitoring operating variables, e.g. speed, deceleration or energy consumption
A recirculation blower (17) for a return arrangement for a gas, including hydrogen gas in a fuel-cell system, includes a blower (23) and a turbine (31). The blower (23) is configured to be driven by a turbine and to transport a return stream. The turbine (31) is configured to drive the blower (23) and to be driven by a hydrogen stream.
H01M 8/04089 - Arrangements for control of reactant parameters, e.g. pressure or concentration of gaseous reactants
H01M 8/04082 - Arrangements for control of reactant parameters, e.g. pressure or concentration
H01M 8/04111 - Arrangements for control of reactant parameters, e.g. pressure or concentration of gaseous reactants using a compressor turbine assembly
A drive module assembly includes a housing defining a housing interior for containing a lubricant. The housing interior has a first interior side adjacent a first housing wall of the housing and a second interior side spaced from the first interior side and adjacent a second housing wall of the housing. The drive module assembly also includes an input shaft extending along an input axis and coupled to the housing and configured to receive rotational torque from a power source, a gear train rotatably coupled to the input shaft, and an output shaft rotatably coupled to the gear train. The drive module assembly further includes an oil housing disposed in the housing interior between the first housing wall and the second housing wall. The oil housing defines an oil housing interior that is configured to retain a portion of the lubricant.
A drive module assembly includes a housing defining a housing interior for containing a lubricant. The housing interior is further defined as a first housing interior and a second housing interior. The drive module assembly also includes a first input shaft configured to receive rotational torque from a first power source, a first gear train rotatably coupled to the first input shaft, a first output shaft rotatably coupled to the first gear train, a second input shaft configured to receive rotational torque from a second power source, a second gear train disposed rotatably coupled to the second input shaft, and a second output shaft rotatably coupled to the second gear train. The first housing interior and the second housing interior are fluidly separate from one another.
A rotating machine includes a housing defining a housing interior, an output shaft disposed in the housing interior, extending along an output axis, and configured to be rotatably coupled to an external shaft, a first seal engaged with the output shaft and the housing for preventing ingress of debris into the housing interior; and a slinger seal engaged with both of the output shaft and the first seal for further preventing ingress of debris into the housing interior by preventing ingress of debris toward the first seal.
H02K 7/14 - Structural association with mechanical loads, e.g. with hand-held machine tools or fans
H02K 5/10 - Casings or enclosures characterised by the shape, form or construction thereof with arrangements for protection from ingress, e.g. of water or fingers
H02K 5/16 - Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields
61.
METHOD AND APPARATUS OF AXIAL FASTENING FOR ROTATING ELECTRIC MACHINES
A vehicle includes an engine and an electric machine connected to the engine. The engine includes a drive shaft defining an axial centerline and an engine adapter connected to an end of the drive shaft. The engine adapter includes a mount with a plurality of mounting holes, a plurality of bolts extending through the plurality of mounting holes and into the drive shaft, and a central end knob positioned along the axial centerline. The electric machine includes a stator, a rotor and a rotor shaft extending along the axial centerline. The rotor shaft defines a cup structure at an end of the rotor shaft with the central end knob of the engine adapter positioned within the cup structure. A central bolt extends between the rotor shaft and the engine drive shaft.
H02K 7/00 - Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
A guide blade (200) for a guide device (100), including a guide blade body (201) with a blade top side (210), a blade underside (220), a blade leading edge (230) and a blade trailing edge (240). The guide blade (200) also comprises a profile centerline (250) which is defined in a profile of the guide blade body (201) by the blade top side (210) and the blade underside (220) and runs between them from the blade leading edge (230) to the blade trailing edge (240), the profile centerline (250) having a turning point (IP). The blade leading edge (230) and the blade trailing edge (240) are connected by a profile chord (260). The guide blade (200) has a guide blade axis of rotation (PA). The axis of rotation (PA), starting from the blade leading edge (230) in the direction of the blade trailing edge (240), lies along the profile chord (260) between the blade leading edge (230) and the turning point (IP).
A turbocharger bearing housing is disclosed. The turbocharger bearing housing comprises a main body extending radially outwardly forming a turbine end. The turbine end is formed having a complementary geometry with a turbine wheel. A passage is formed extending through the bearing housing to allow fluid communication with the exterior of the bearing housing.
A control system configured to control an electric motor of an electric vehicle (EV) includes a current sensor offset detector that determines an offset of one or more current sensors; a gain compensator that determines a second order harmonic component in d- and q-axis currents due to gain errors in one or more sensors; and a controller that generates a control signal that compensates for the offset or gain error mismatch of the current sensor(s).
B60L 3/00 - Electric devices on electrically-propelled vehicles for safety purposesMonitoring operating variables, e.g. speed, deceleration or energy consumption
B60L 15/20 - Methods, circuits or devices for controlling the propulsion of electrically-propelled vehicles, e.g. their traction-motor speed, to achieve a desired performanceAdaptation of control equipment on electrically-propelled vehicles for remote actuation from a stationary place, from alternative parts of the vehicle or from alternative vehicles of the same vehicle train for control of the vehicle or its driving motor to achieve a desired performance, e.g. speed, torque, programmed variation of speed
B60L 53/20 - Methods of charging batteries, specially adapted for electric vehiclesCharging stations or on-board charging equipment thereforExchange of energy storage elements in electric vehicles characterised by converters located in the vehicle
G01R 19/25 - Arrangements for measuring currents or voltages or for indicating presence or sign thereof using digital measurement techniques
A turbocharger bearing housing is disclosed. The turbocharger bearing housing comprises a main body extending radially outwardly forming a turbine end. The turbine end is formed having a complementary geometry with a turbine wheel. A passage is formed extending through the bearing housing to allow fluid communication with the exterior of the bearing housing.
F16C 32/06 - Bearings not otherwise provided for with moving member supported by a fluid cushion formed, at least to a large extent, otherwise than by movement of the shaft, e.g. hydrostatic air-cushion bearings
BOARD OF TRUSTEES OF MICHIGAN STATE UNIVERSITY (USA)
Inventor
Lee, Woongkul
Benson, Mikayla J.
Wightman, Brian C.
Di Carlo, Luca
Abstract
A direct current (DC) fast charger for charging batteries of electric vehicles (EVs), includes a primary circuit, including seven bidirectional switches, electrically linked to a primary wire of a transformer and configured to receive alternating current (AC) power from a power grid; a secondary circuit electrically linked to a secondary wire of the transformer for converting AC power into DC power; and a control system, electrically linked to the primary circuit and the secondary circuit, that changes the frequency of the AC power received from the power grid in five switching states.
B60L 53/10 - Methods of charging batteries, specially adapted for electric vehiclesCharging stations or on-board charging equipment thereforExchange of energy storage elements in electric vehicles characterised by the energy transfer between the charging station and the vehicle
B60L 53/22 - Constructional details or arrangements of charging converters specially adapted for charging electric vehicles
Disclosed is a heating device having a heating resistor assembly with a positive terminal, a negative terminal, and heating resistors connected in series between the positive terminal and the negative terminal, and a transistor switch connected in series with the heating resistors. A first half of the heating resistors connects the positive terminal to the transistor switch and a second half of the heating resistors connects the transistor switch to the negative terminal.
A torque-limiting coupler for connecting an electric motor to a rotatable input of a vehicle is provided, including: a rigid frame that is configured to be coupled to one of the rotatable input or an output shaft of the electric motor; and an elastic member, configured to engage the other of the rotatable input or the output shaft of the electric motor, that engages the rigid frame such that the elastic member substantially maintains its shape and inhibits angular displacement between the rotatable input and the output shaft when an amount of torque received from the output shaft is below a predetermined torque limit, the elastic member changes shape permitting angular displacement between the rotatable input and the output shaft when an amount of torque received from the output shaft exceeds the predetermined torque limit.
F16D 7/04 - Slip couplings, e.g. slipping on overload, for absorbing shock of the ratchet type
H02K 7/00 - Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
69.
VARIABLE FREQUENCY PULSED ELECTRIC MACHINE CONTROL SYSTEM
A method of controlling a rotating electrical machine includes the steps of generating a continuously time varying torque command, configured to command the rotating electrical machine to reach an angular velocity; converting the continuously time varying torque command to a dynamic frequency pulsed torque command having a dynamic torque value; and providing the dynamic frequency pulsed torque command to the rotating electrical machine at a varying frequency.
B60L 15/20 - Methods, circuits or devices for controlling the propulsion of electrically-propelled vehicles, e.g. their traction-motor speed, to achieve a desired performanceAdaptation of control equipment on electrically-propelled vehicles for remote actuation from a stationary place, from alternative parts of the vehicle or from alternative vehicles of the same vehicle train for control of the vehicle or its driving motor to achieve a desired performance, e.g. speed, torque, programmed variation of speed
A coil assembly for an electric motor having an encapsulation body includes a fixing cage, a winding region, and encapsulation material. The fixing cage, a rear side of which is open, has an inner side and an outer side, between which a circumferential receiving region is defined. The winding region is arranged in an end region of the coil assembly and over which the fixing cage is placed at the end such that the winding region is arranged in the receiving region. The fixing cage and the winding region are embedded in the encapsulation material.
Disclosed is a method for controlling a heating device comprising a PTC heating resistor, wherein a pulse width modulated voltage is applied to the PTC heating resistor, said pulse width modulation having a first time period. The voltage is switched off for a second time period that is at least a hundred times larger than the first period, if a condition A or a condition B are fulfilled, wherein condition A requires that power is below a power threshold and a gradient of power is below a power gradient threshold, and wherein condition B requires that electrical resistance is above a resistance threshold for a third time period that is larger than the first time period, but smaller than the second time period.
G05D 23/19 - Control of temperature characterised by the use of electric means
G05D 23/24 - Control of temperature characterised by the use of electric means with sensing elements having variation of electric or magnetic properties with change of temperature the sensing element having a resistance varying with temperature, e.g. thermistor
H05B 3/14 - Heating elements characterised by the composition or nature of the materials or by the arrangement of the conductor characterised by the composition or nature of the conductive material the material being non-metallic
72.
PCB-BASED STRANDED, TWISTED EXCITATION WINDINGS IN ROTARY TRANSFORMERS
Embodiments of the disclosure provide a rotary transformer (RT) that includes a printed circuit board (PCB) and a set of secondary windings integrated with the PCB. The set of secondary windings includes a plurality traces extending over a first region of the PCB and a second region of the PCB. The plurality of traces are organized in a first positional order in the first region of the PCB. The plurality of traces are organized in a second positional order in the second region of the PCB.
H01F 29/12 - Variable transformers or inductances not covered by group with core, coil, winding, or shield movable to offset variation of voltage or phase shift, e.g. induction regulators having movable coil, winding, or part thereofVariable transformers or inductances not covered by group with core, coil, winding, or shield movable to offset variation of voltage or phase shift, e.g. induction regulators having movable shield
H01F 41/04 - Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformersApparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils or magnets for manufacturing coils
H05K 1/18 - Printed circuits structurally associated with non-printed electric components
73.
CARTRIDGE FOR PULSE-SEPARATED VARIABLE TURBINE GEOMETRY TURBOCHARGERS
A cartridge for use in a pulse energy enhanced turbine of a turbocharger. At least first and second fixed separating blades (12) are provided between a nozzle ring (6) and a disk (29), the separating blades (12) maintaining separation of exhaust gas flows through a guide grid between a divided volute and a turbine wheel (11). Exhaust pulsation energy from different cylinders or cylinder groups of an engine or engine bank are kept separated up to the turbine wheel, so that the turbine wheel reacts to individual pulses of exhaust gas flow from engine exhaust ports.
A stator assembly of an electric machine includes of stator leads extending outward from one end of the stator core. A busbar assembly includes a busbar body supporting a plurality of lead connectors that are connected to corresponding stator leads. An alignment plate is interposed between the stator assembly and the busbar assembly. The alignment plate includes a rigid base plate having a bottom face supported on the top surface of the end turns and an opposite top face supporting the busbar body. The base plate defines a plurality of openings corresponding to the plurality of stator leads and arranged to be aligned with the stator leads. One or more of the stator leads extends through a corresponding one of the plurality of openings. Each of the openings is sized and configured for a close running fit with the stator lead or leads extending therethrough. Epoxy is positioned in the openings and assists in securing the leads to the alignment plate.
A torsion spring for an oil pump chain tensioner for use in an engine. The torsion spring has: a second end; a leg connected to the second end through a hook bend; an outer coil connected to the leg having an outer coil outer circumference and an outer coil inner circumference; a first inner coil connected to the outer coil, the first inner coil having a first inner coil outer circumference and a first inner coil inner circumference, the outer coil inner circumference being adjacent to the first inner coil outer circumference; and a second inner c-shaped coil connected to the first inner coil through a bend back loop, the second inner coil having a second inner coil outer circumference and a second inner coil inner coil circumference and terminating in a first end, where the second inner coil outer circumference and the first coil inner circumference define a gap.
An electric machine including a rotor comprising metal and plastic portions, the plastic portions being exclusively of thermoplastic material. An electric machine including a rotor, the rotor including a shaft, a coil disposed adjacent the shaft, a first thermoplastic material disposed on the rotor and having a first melting point, a second thermoplastic material disposed on the rotor and having a second melting point at least 20 degrees C. higher than the first melting point. A method for making a recyclable electric machine including assembling a rotor consisting of a plurality of metallic components, and a plurality of plastic portions, the plastic portions consisting of thermoplastic material.
H02K 1/02 - Details of the magnetic circuit characterised by the magnetic material
H02K 3/34 - Windings characterised by the shape, form or construction of the insulation between conductors or between conductor and core, e.g. slot insulation
H02K 3/52 - Fastening salient pole windings or connections thereto
H02K 15/00 - Processes or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines
Business management consultancy in the field of corporate travel; Conference event management services; Corporate event management services; Special event planning for business purposes
A powertrain controller for an electric vehicle (EV) includes a compressor controller configured to regulate three-phases of electrical current supplied by a vehicle battery of the EV or an electric motor of the EV to an electrically-actuated compressor; and a load bank controller configured to regulate a fourth-phase of electrical current provided by the vehicle battery or the electric motor of the EV to a resistive load bank, such that the compressor controller and the load bank controller are integrated into a common control system.
B60L 58/26 - Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries for controlling the temperature of batteries by cooling
B60L 50/16 - Electric propulsion with power supplied within the vehicle using propulsion power supplied by engine-driven generators, e.g. generators driven by combustion engines with provision for separate direct mechanical propulsion
B60L 50/51 - Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells characterised by AC-motors
An electric motor can be employed for use in a hybrid electric vehicle (HEV) or in a battery electric vehicle (BEV), as example applications. In an implementation, the electric motor has a stator assembly with a multitude of laminations exhibiting an axially-stacked arrangement. The laminations establish coolant channels at a radially-outboard location thereof, and establish slots at a radially-inboard location thereof. Conductors such as windings are disposed at the slots. Some or more of the coolant channels and some or more of the slots are in fluid communication with each other whereby coolant flows through the coolant channels, to the slots, and into contact with the conductors. Enhanced cooling effectiveness at the stator and elsewhere results.
A sealing adapter bushing assembly for a power control module (PCM) in an electric vehicle (EV) includes an adapter bushing base, configured to be received within an opening in a housing of the PCM; a terminal seal engaged with a surface of the adapter bushing base and is configured to engage a surface of a terminal of the PCM; and a housing seal engaged with a surface of the adapter bushing base and is configured to engage a surface of the housing.
B60R 16/023 - Electric or fluid circuits specially adapted for vehicles and not otherwise provided forArrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric for transmission of signals between vehicle parts or subsystems
B60R 16/033 - Electric or fluid circuits specially adapted for vehicles and not otherwise provided forArrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric for supply of electrical power to vehicle subsystems characterised by the use of electrical cells or batteries
H02G 3/08 - Distribution boxesConnection or junction boxes
The present disclosure relates to a rotor assembly for an electric machine. The rotor assembly comprises a rotating shaft, a rotor and a fluid cooling system. The rotor is fixed to the rotating shaft. The rotor comprises a rotor core, a first end plate and a second end plate. The first end plate is provided at a first axial end of the rotor core. The second end plate is provided at a second axial end of the rotor core. The fluid cooling system comprises at least one fluid cooling pathway provided internally in the rotor. The at least one fluid cooling pathway is configured to guide cooling fluid through the rotor, and comprises at least one cooling channel and a downstream end plate channel. The at least one cooling channel extends through the rotor core from the first axial end to the second axial end. The downstream end plate channel is fluidically connected to a downstream end of the at least one cooling channel. The downstream end plate channel is restricted radially outwards by a radially outer wall portion. The at least one cooling channel is restricted radially inwards by a radially inner wall portion. A radially innermost position of the radially outer wall portion is arranged in a range about or at or radially inwards of a radially innermost position of a radially inner wall portion.
H02K 1/32 - Rotating parts of the magnetic circuit with channels or ducts for flow of cooling medium
H02K 7/00 - Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
A housing for an electrical assembly with a metallic housing body, which is formed as one part or comprises a plurality of housing parts and which has at least one integrated coolant connection, wherein the coolant connection is formed as a nozzle protruding from the housing body and the coolant connection is formed as one part with the housing body or with one of the housing parts.
Embodiments of the disclosure provide a control circuit operable to control voltage delivery to a multi-component load. The control circuit is electronically coupled to a first component of the multi-component load. The control circuit is further electronically coupled to a second component of the multi-component load. The control circuit is operable to, responsive to an output voltage of a source, generate a second component voltage and provide the second component voltage to the second component of the multi-component load. A peak value of the second component voltage is less than the output voltage.
H02P 7/06 - Arrangements for regulating or controlling the speed or torque of electric DC motors for regulating or controlling an individual DC dynamo-electric motor by varying field or armature current
H02P 29/40 - Regulating or controlling the amount of current drawn or delivered by the motor for controlling the mechanical load
H02P 25/10 - Commutator motors, e.g. repulsion motors
A rotor (23) of an electrically driven supercharger compressor (7) includes a rotor centre part (27) and first and second shaft end parts (31, 33). The rotor centre part (27) includes a shaft portion (29) including a permanent magnet (35), and the rotor centre part (27) is configured as a rotating armature of an electric motor (21). The first and second shaft end parts (31, 33) are arranged on opposing end faces of the rotor centre part (27) and are connected to the rotor centre part (27) in a rotationally engaged manner. A basic shape of the first shaft end part (31) and a basic shape of the second shaft end part (33) are mirror-symmetrical to one another.
H01M 8/04111 - Arrangements for control of reactant parameters, e.g. pressure or concentration of gaseous reactants using a compressor turbine assembly
F04D 17/10 - Centrifugal pumps for compressing or evacuating
F04D 25/06 - Units comprising pumps and their driving means the pump being electrically driven
85.
ELECTRIC MACHINE WEDGES AND METHOD FOR INSERTION OF WEDGES
A stator for an electric machine includes a stator core defining an axial direction, a first end, and a second end. The stator core includes a plurality of slots formed between a plurality of teeth, wherein each of the plurality of slots extend from the first end to the second end of the stator core and define a slot opening on a radially inward portion of the stator core. A plurality of conductors are positioned in each of the slots and are connected together to form a winding arrangement for the stator. A wedge is positioned in each slot of the stator core radially inward from the plurality of conductors positioned in said slot. The wedge includes a first leg positioned on one side of the slot, a second leg positioned on an opposite side of the slot, and a bridge spanning across the slot opening.
H02K 3/34 - Windings characterised by the shape, form or construction of the insulation between conductors or between conductor and core, e.g. slot insulation
H02K 15/00 - Processes or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines
86.
CIRCUIT FOR CONTROLLING PEAK BRUSH EXCITATION VOLTAGE
Embodiments of the disclosure provide a control circuit operable to control voltage delivery to a multi-component load. The control circuit is electronically coupled to a first component of the multi-component load. The control circuit is further electronically coupled to a second component of the multi-component load. The control circuit is operable to, responsive to an output voltage of a source, generate a second component voltage and provide the second component voltage to the second component of the multi-component load. A peak value of the second component voltage is less than the output voltage.
A chain containing chain links with rounded chamfered edges to reduce friction loss between the link and a plastic face of the timing drive. The rounded chamfered edges preferably have a radius in a range of 0.14-0.33 mm.
A variable cam timing phaser of a variable cam timing system includes a housing and a rotor moveable with respect to the housing. The rotor and the housing define advance and retard chambers. The variable cam timing phaser also includes a control valve assembly. The control valve assembly includes a valve housing defining a valve housing interior, a supply port, first and second working ports, and an exhaust port. The control valve assembly also includes a piston moveable for controlling flow of the hydraulic fluid through the valve housing interior. The exhaust port is fluidly connectable with a sump through a vent path that is defined by at least one of the valve housing and the rotor. The vent path is configured to prevent air from being sucked into the variable cam timing phaser through the vent path.
F01L 1/344 - Valve-gear or valve arrangements, e.g. lift-valve gear characterised by the provision of means for changing the timing of the valves without changing the duration of opening changing the angular relationship between crankshaft and camshaft, e.g. using helicoidal gear
A stator assembly (10) for an axial flux motor (100) with a rotation axis (100a). The stator assembly (10) has a stator receptacle portion (30) of a motor housing (20) of the axial flux motor (100), a stator (40) and a potting body (50). The stator receptacle portion (30) defines a disk-shaped contact face (32a) for receiving the stator. The stator (40) is disposed on the disk-shaped contact face (32a). The stator (40) is potted in the stator receptacle portion (30). The potting body (50) is connected to the stator receptacle portion (30) in a form-fitting manner in such a way that the stator (40) in the stator receptacle portion (30) is secured by the potting body (50) at least in the axial direction (2).
H02K 1/18 - Means for mounting or fastening magnetic stationary parts on to, or to, the stator structures
H02K 7/14 - Structural association with mechanical loads, e.g. with hand-held machine tools or fans
H02K 15/02 - Processes or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines of stator or rotor bodies
H02K 15/12 - Impregnating, moulding insulation, heating or drying of windings, stators, rotors or machines
A rotor for an axial flux motor with a disk-shaped rotor plate, a plurality of permanent magnets and a holding structure. The disk-shaped rotor plate has a plurality of magnet receptacles, which are distributed in the circumferential direction and introduced into the rotor plate in the axial direction. The magnet receptacles are each defined by four inner side surfaces of the rotor plate. The plurality of permanent magnets are arranged in the magnet receptacles and are each defined by four outer side surfaces. A first groove is introduced into at least one of the inner side surfaces, and a second groove is introduced into at least one of the outer side surfaces. The first and the second groove are arranged and formed in such a way that they jointly form a channel portion in which the holding structure for fixing the permanent magnets in the rotor plate is arranged.
H02K 1/2796 - Rotors axially facing stators the rotor consisting of two or more circumferentially positioned magnets where both axial sides of the rotor face a stator
F04D 25/06 - Units comprising pumps and their driving means the pump being electrically driven
H02K 15/03 - Processes or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines of stator or rotor bodies having permanent magnets
H02K 21/24 - Synchronous motors having permanent magnetsSynchronous generators having permanent magnets with stationary armatures and rotating magnets with magnets axially facing the armatures, e.g. hub-type cycle dynamos
Disclosed is a flow heater including a housing having an inlet and an outlet, and an electrical heating resistor provided as conductive tracks. The housing has a first housing part made of a deep drawn sheet of metal and a second housing part made of a sheet of metal, and the heating resistor is arranged as conductive tracks on the first housing part or the second housing part.
H05B 3/26 - Heating elements having extended surface area substantially in a two-dimensional plane, e.g. plate-heater non-flexible heating conductor mounted on insulating base
A rotating electric machine receiving a flow of fluid at a rotor includes a stator having stator slots and a plurality of stator windings for receiving electrical current; the rotor, concentrically received within the stator, including: at least one axially-extending fluid channel in fluid communication with an end face of the rotor and an opposite end face of the rotor, wherein the axially-extending fluid channel is configured to receive fluid applied by a fluid outlet spaced a distance from the end face of the rotor.
H02K 3/24 - Windings characterised by the conductor shape, form or construction, e.g. with bar conductors with channels or ducts for cooling medium between the conductors
H02K 9/197 - Arrangements for cooling or ventilating for machines with closed casing and closed-circuit cooling using a liquid cooling medium, e.g. oil in which the rotor or stator space is fluid-tight, e.g. to provide for different cooling media for rotor and stator
93.
PERMANENT MAGNET FOR AN ELECTRIC MACHINE AND METHOD OF MAKING THE SAME
A permanent magnet for use in an electric machine has a magnet thickness and extends along a magnet axis. The permanent magnet defines a groove extending axially along the magnet axis. The groove has a groove depth that is less than the magnet thickness. The groove has a non-straight configuration with respect to the magnet axis.
H02K 15/03 - Processes or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines of stator or rotor bodies having permanent magnets
H02K 21/14 - Synchronous motors having permanent magnetsSynchronous generators having permanent magnets with stationary armatures and rotating magnets with magnets rotating within the armatures
94.
Variable turbine geometry component wear mitigation in radial turbomachines with divided volutes by aerodynamic force optimization at all vanes or only vane(s) adjacent to volute tongue(s)
An entryway system includes a divided volute turbocharger having variable turbine geometry (VTG). The turbocharger includes a turbine housing, first and second volutes separated by a wall having a first and second tongue, and a turbine housing outlet. The system also includes a turbine wheel disposed in the turbine housing and a vane ring disposed in the turbine housing between the turbine wheel and the volutes. The system includes design modifications of one or more of the VTG components and/or locations of such components to manipulate the aerodynamic forces and/or subsequent mechanical loads in the VTG mechanism of the entryway system to mitigate VTG component wear during normal usage.
A drive train for a motor vehicle includes a planetary gear transmission with three elements, specifically a sun gear, a planet carrier with at least one planet gear, and a ring gear. A first element of the three forms an input side of the planetary gear transmission, via which the input torque of an electric motor can be introduced into the planetary gear transmission, a second element forms an output side of the planetary gear transmission, and a third element can be electively fixed to a stationary housing via a braking device. The drive train also includes a clutch device, by means of which two of the elements can be electively fixed to one another in such a way that the planetary gear transmission performs a block rotation.
F16H 3/66 - Gearings having three or more central gears composed of a number of gear trains without drive passing from one train to another
F16D 21/06 - Systems comprising a plurality of mechanically-actuated clutches for interconnecting three or more shafts or other transmission members in different ways at least two driving shafts or two driven shafts being concentric
F16D 25/0638 - Fluid-actuated clutches in which the fluid actuates a piston incorporated in the clutch the clutch having friction surfaces with clutch members exclusively moving axially with flat friction surfaces, e.g. discs with more than two discs, e.g. multiple lamellae
One or more radial holes in the body of the hydraulic tensioner are used to control outward hydraulic flow restriction from the hydraulic pressure chamber within the piston. The one or more holes can be arranged in different ways to allow the piston position to alter the outward oil flow of the tensioner.
An exhaust gas control valve includes a housing having an interior wall defining a housing interior, a pinion gear coupled to the housing and configured to be rotatably driven, and a helical gear configured to receive torque from the pinion gear and including a plurality of helically arranged teeth. The exhaust gas control valve also includes a valve member disposed at least partially in the housing interior of the housing. The valve member includes a valve shaft extending along an axis and having first and second shaft ends, and a valve body coupled to the valve shaft adjacent to the second shaft end and moveable with the valve shaft along the axis between a first valve position and a second valve position. The exhaust gas control valve further includes a motion converter configured to convert rotational motion of the helical gear to linear motion of the valve member.
An adjustment ring (200) for a variable turbine geometry (100). The adjustment ring (200) comprises a disk-shaped body (210) and a plurality of coupling regions (220) which are configured in the disk-shape body (210). The coupling regions (220) are spaced apart in the circumferential direction (26), and each coupling region (220) is adapted for at least partially receiving a vane lever (140) for adjusting a guide vane (120) of a variable turbine geometry (100). Each coupling region (220) circumferentially is fully surrounded by the disk-shaped body (210). The disk-shaped body (210) on one or more of the coupling regions (220) has at least one reinforcement means (230) which extends in the axial direction (22) from the disk-shaped body (210) and circumferentially at least partially surrounds the coupling region (220).
The present disclosure relates to a rotor 10 for an axial flux motor 1. The rotor 10 comprises a rotor wheel 100, a plurality of permanent magnets 50 and a holding structure 60. The rotor wheel 100 comprises disk-shaped main body 110 and a plurality of arms 120. The disk-shaped main body 110 defines an inner circumference 111 and an outer circumference 114. The plurality of arms 120 protrude from the outer circumference 114 radially outwards to a respective arm tip 123. The plurality of arms 120 is circumferentially distributed on the outer circumference 114. The plurality of permanent magnets 50 is distributed circumferentially about the outer circumference 114 and arranged circumferentially between the plurality of arms 120. The holding structure 60 is attached to the rotor wheel 100 and to the plurality of permanent magnets 50 to hold the plurality of permanent magnets 50 in position.
H02K 1/28 - Means for mounting or fastening rotating magnetic parts on to, or to, the rotor structures
F04D 19/00 - Axial-flow pumps specially adapted for elastic fluids
F04D 25/06 - Units comprising pumps and their driving means the pump being electrically driven
H02K 1/2796 - Rotors axially facing stators the rotor consisting of two or more circumferentially positioned magnets where both axial sides of the rotor face a stator
H02K 21/24 - Synchronous motors having permanent magnetsSynchronous generators having permanent magnets with stationary armatures and rotating magnets with magnets axially facing the armatures, e.g. hub-type cycle dynamos
100.
Variable stiffness function through a check valve in a hydraulic
Check valve assembly for a tensioner with a U-shaped retainer defining a cavity and having at least one retainer opening and axially extending flanges; a moveable member received within the cavity; a check valve spring received within the cavity and between the moveable member and the retainer; a valve seat having axially extending flanges and defining a seat opening nesting within the cavity of the retainer, and a check valve vent washer. The check valve vent washer has an outer circumference with a plurality of spaced apart legs and openings; and an inner circumference in fluid communication with the outer circumference through the openings, the inner circumference has a concentric interior well connecting the plurality of openings to a vent reservoir, a central ring defining a central hole in communication with the internal reservoir, the central ring comprising a vent groove connecting the vent reservoir to the central hole.
