CLAW POLE SLOT IN A ROTOR OF AN ELECTRIC MACHINE
Claw pole slot in a rotor of an electric machine is disclosed herein.The present invention discloses
the design of claw pole rotor of an electrical machine to minimize the flux leakage. The rotor has
a field coil wound around an iron core. It has a pair of claw p...
The present invention discloses an optimized claw pole electrical machine (100) using chamfers and fillet, characterized by a magnetized portion; an angular exciting coil placed around the shaft of the machine. The two claws comprise fingers which are inserted between two claws of opposite pole pieces. The said mach...
The present invention discloses a centrifugal fan in a belt-driven starter generator (BSG) for effective convective heat transfer without compromising overall geometry and configuration of the fan base and blade profile. The inner sides of the blades of the centrifugal fans i.e front fan (4) and rear fan (10) are ...
The present invention relates to a belt driven Starter Generator/Motor in the category of automotive parallel hybrid technology that uses an electric motor to contribute power to the internal combustion engine’s crankshaft via a serpentine belt. The intent of this design is to integrate the splined pulley (1) with t...
The present invention relates to a gear set for a differential assembly for generating active torque bias between at least two output shafts. The gear set comprises a pair of side gears (102) rotatably mounted in a housing of the differential assembly, and at least one pinion (104) rotatably mounted in the housing. ...
The present invention discloses a dual entry chamfer for drive face of pinion gear. The dual entry chamfer for starter motor pinion gear of an internal combustion engine comprises: a drive pinion for engaging in a ring gear of the internal combustion engine, wherein the drive pinion has a toothing which comprises a ...
The present invention provides a new design for Printed Circuit Board Assembly (PCBA) on stator core pack to avoid direct contact with electrical ground path. Referring to FIG. 1, it shows an in-wheel motor having a motor assembly in the wheel of a vehicle, comprising: a rotor; a stator; a cover surrounding the roto...
Disclosed herein is an electronic controller for an electric vehicle, to improve its thermal performance, comprising: a controller housing (1) as shown in FIG. 1 including: a power PCB (1a) which mounts plurality of MOSFETs (2); a controller PCB (1b) which contains the DC power input lines from the battery and a mic...
Disclosed herein is an optimal placement of various power electronics components/devices arranged on a PCB (10) for meeting high current requirements, reduce EMI/EMC issues, reducing switching losses and better thermal conductivity. The gate driver (14) is symmetrically placed equidistant in a consistent manner ...
The present invention proposes a rotor arrangement for simply supported and overhang type electric vehicle motors within a rotating device. This arrangement comprises: an integrated magnet holder (28) arranged to secure a magnet (23) at the top of rotor along a central axis perpendicular to a sensor PCB (21) pos...
Disclosed herein is a PCB assembly for effective heat transfer from MOSFET to a thermally conductive metal in rotating machines. The PCB assembly (3) as shown in FIG. 2 comprises: a MOSFET (1) soldered in the PCB assembly (3); a high thermally conductive metal (4) soldered on the PCB (3) for effective heat transfe...
Disclosed herein is an arrangement (100) of a shielding mechanism for hall current effect sensor (104) to protect from EMI/EMC/RF in electronic devices. The metallic cap shield (108) provided in the laminated metal core (102) of the electronic device as shown in FIG. 1, comprises, laminated metal core (102) made of ...
Disclosed herein is a mechanism for connecting busbars in stator assembly using connecting rings and notches for different phases of the busbars in the stator of a rotating machine. The rotating machine has stator assembly with field windings to produce field flux in the motor. The stator windings are connected to t...
ABSTRACT
The present invention discloses a system (100) for a modular controller for an electric vehicle wherein a plurality of add-on controller modules (20) is electrically coupled with the master or modular controller module (10) to meet a high power and torque requirement without changing the whole controller...
Disclosed herein is an easy to implement, cost effective, effective sealing mechanism for a hub motor assembly comprising: a shaft assembly comprising a hollow passage for receiving a power and sensor cable assembly, wherein the shaft is connected to the stator of the motor; and the power cable assembly either compr...
ABSTRACT
Disclosed herein is a thermal interface material (TIM) (2) sheet configured to enhance heat transfer in heat generating electronic components. The thermal interface material (TIM) sheet (2) is placed between a solid-state/electronic component (1) and a heat sink (3) or any heat distributing medium to...
The present disclosure relates to the field of heat dissipation devices and in particular to a heat sink for electronic devices and mechanical devices such as EV controllers, inverters, motors, alternators, etc, wherein the heat sink has improved heat transfer and dissipation. The heat sink comprises of converging f...
The present disclosure relates to integrated motor controller unit (100) comprising a switch matrix module (20), for optimizing the switching frequency in the switch matrix for obtaining maximum torque and speed without any change in size and length of the parameters of the Integrated motor controller unit (IMCU) (1...
The present disclosure relates to the field of sealing mechanisms and in particular to an arrangement that is employed in a permanent-magnet synchronous motor (PMSM) of a high-pressure high-temperature hydraulic system to prevent the leakage of the hydraulic fluid (or coolant medium) from the housing section of the ...
Disclosed herein is a sealing mechanism for a hub motor assembly (300) comprising a shaft (102) connected to a stator. The shaft (102) is designed with a shaft hole (104) and an internal O-ring groove (106) for accommodating an O-ring (108). The O-ring (108), made of rubber, plastic, or a combination, is placed in t...
The present disclosure relates to an electric vehicle hub motor, specifically focusing on the stator core (10), an integrated stator bobbin (20) with a hall sensor seating and a one-way flip (40). The integrated stator bobbin (20) provides insulation between the stator core and the stator windings. The integrated st...