A can stack stepper digital linear actuator comprising: a front cap; a rear cap; a stator assembly formed around a plurality of claw pole plates acting as multipole electromagnets; a rotor assembly housed in a passage in the said stator assembly, said rotor assembly having a rotor for housing a magnet and an interna...

A commutation system for a DC motor comprising: a housing;a plurality of constant force springs located opposite each other in the housing; a commutator disposed in the housing; and a plurality of brushes connected to the housing at one end and the commutator at other end, characterized in that the constant force sp...

ABSTRACT “INTEGRATED SPRING IN DIGITAL LINEAR ACTUATOR” A digital linear actuator comprising: a spring 100 stationary at one end; an adaptor 104 connected to the said spring at other end having movement in an axial direction; wherein the spring 100 is pre-compressed to a desired load when a leadscrew 103 is ful...

ABSTRACT COMMUTATION ASSEMBLY FOR AN ELECTRIC MOTOR A commutation assembly for reducing mechanical wear and tear between brushes and commutator (100) of an electric motor is disclosed. The commutator (100) is connected with an armature of the electric motor, a first set of brushes (110) arranged in a first plane (...

ABSTRACT DISC MAGNET MOTORS WITH SPECIAL POLE SHAPE A stator assembly for an electric machine, such as a disc magnet motor, is disclosed. The stator assembly includes a plurality of poles 202 formed of C-shaped laminated stacks of a soft magnetic composite material, each of said plurality of poles 202 includin...

ABSTRACT BRUSH ASSEMBLY FOR AN ELECTRIC BRUSH MOTOR A brush assembly for an electric brush motor for detecting remaining life of a motor (1) is disclosed. The brush assembly includes a plurality of brushes (7) adapted to conduct electrical current between at least one commutator segment (4) of a rotor and a termin...

ABSTRACT STATOR WINDING IN A SLOTLESS BRUSHLESS ELECTRIC MOTOR A slot-less BLDC motor having improved performance characteristics is disclosed. The motor comprises a stator (402) wound with at least one layer of winding having a plurality of coils (404) spatially oriented around the stator (402). Each coil of the ...

ABSTRACT AN ARRANGEMENT FOR ALLOWING OPERATION OF DIRECT CURRENT (DC) MOTORS AT HIGH SPEEDS An arrangement for allowing operation of Direct Current (DC) motors at high speeds is described. An unsupported end of rotor coil (108) of a DC motor flares outward upon prolonged usage or on operation at high speeds. To pr...

ABSTRACT METHOD OF INCREASING MAGNETIC FIELD USING RING MAGNET IN BRUSHLESS PERMANET MAGNET MOTORS A multi-pole ring magnet of proposed design is magnetized such way that the magnetic field is increased by increasing the magnetization active length inside the magnet between two consecutive poles. The magnetization...

ABSTRACT OPEN-ENDED STATOR WINDING AND STATOR CORE ARRANGEMENT FOR SLOT-LESS PERMANET MAGNET SYNCHRONOUS MOTOR A Slot-less Permanent Magnet Synchronous (SPMS) motor comprises an open-ended stator winding (300) having a front coil head (302) and a rear coil head (306) protruded outwards. As the front coil head (3...

SEALING SYSTEM FOR PROTECTION OF AN ELECTRICAL MACHINE HAVING ROTATING COMPONENTS The present invention relates to a sealing system for protection of an electrical machine. The sealing system comprises a seal housing (116, 306) mounted on a cannulated shaft (108) of a rotor of the electrical machine. The seal housi...