Regal Beloit America, Inc.

Justin Michael Magyar

Stephen Thomas English

Nathan E Snell

Howard Ray Richardson

Ludovic Andre Chretien

Paul Steven Mullin

Zachary Joseph Stauffer

Marc C McKinzie

Edward Lewis Drye

Srinivas Chandu Kutcherlapati

Joseph Stephen Carnes

Gregory Gross

Jevon Darvell Reynolds

Zachary Alexander Borts

Harold Dean Willis

Kenneth L Osborne

James Reed

Tony Zhang

Henry Huynh

Wenbing Li

Hongbo Tang

Howard Richardson

Christopher Joseph Roth

Alan Michael Smith

An electric motor is provided. The electric motor includes a motor controller configured to convert AC power to a variable frequency variable voltage power for driving the electric motor according to a commanded motor output. The motor controller includes a PFC circuit configured to control a power factor of the electric motor and a microcontroller coupled to the PFC circuit and configured to activate the PFC circuit when the commanded motor output is greater than a threshold motor output, deactivate the PFC circuit when the commanded motor output is less than or equal to the threshold motor output, and generate a control signal based on the commanded motor output. The motor controller further includes an inverter configured to receive the control signal and generate the variable frequency variable voltage power according to the commanded motor output.

Systems and methods for selectively enabling power factor control in an electric motor

An electric motor for a pump includes an AC line-in node for receiving AC power supplied to the electric motor. The electric motor includes a current sensor coupled to the AC line-in node and measures current supplied to the electric motor. The electric motor includes a motor controller configured to convert the AC power supplied to a variable frequency variable voltage power for driving the electric motor at a normal output value. The motor controller includes a microcontroller and an inverter. The microcontroller is coupled to the current sensor and receives a measured value of the current supplied to the electric motor, determines the measured value is above a threshold, and transmits a control signal representing a reduced output value. The inverter receives the control signal and generates the variable frequency variable voltage power to reduce output from the electric motor according to the reduced output value.

Systems and methods for regulating electric motor output

An electric motor for a pump is provided. The electric motor includes a motor controller configured to convert alternating current (AC) power supplied to a variable frequency variable voltage power for driving the electric motor at a motor output according to a commanded motor output. The motor controller includes an inverter configured to generate the variable frequency variable voltage power according to the commanded motor output and a microcontroller coupled to the inverter. The microcontroller is configured to control the inverter to operate at a first switching frequency when the motor output is less than a threshold motor output and control the inverter to operate at a second switching frequency when the motor output is greater than the threshold motor output, wherein the second switching frequency is less than the first switching frequency.

Systems and methods for dynamically changing an inverter switching frequency in an electric motor

A motor controller for a pump motor is provided. The motor controller includes an input device and a memory configured to store a plurality of actuation sequences and a plurality of commands. Each actuation sequence is associated with a command. The motor controller further includes a processor coupled to the input device, the memory, and the pump motor. The processor is configured to detect at the input device, a first actuation sequence in response to the input device being actuated. The processor is further configured to perform a lookup in the memory to determine a first command corresponding to the first actuation sequence. The processor is further configured to operate the pump motor according to the first command.

Systems and methods for a pump having an onboard user interface

A drive circuit for an electric pump motor is provided. The drive circuit includes an inverter and a contactor. The inverter is configured to supply variable frequency current to the electric motor. The contactor is configured to supply the line frequency current to the electric motor.

Drive circuit for electric motors

Systems and methods of controlling the speed of a pump configured to move liquid through a pump system are described. The actual motor speed of the pump motor is controlled by adjusting a current applied to the motor based on the difference between the actual motor speed and the target motor speed according to a gain setting. A first gain value is applied as the gain setting when the difference between the actual motor speed and the target motor speed does not exceed a first threshold. However, a second, higher gain value is applied when the difference between the actual motor speed and the target motor speed exceeds the first threshold.

Dynamic speed control for pump motor

An electric machine comprises a motor housing and an electronics enclosure coupled to the motor housing. The electronics enclosure defines an air passage between the electronics enclosure and the motor housing. The electronics enclosure further defines at least one air intake connected to said air passage. The electric machine also includes a fan configured to draw air through the at least one air intake and into the air passage.

Air-cooled electric machine and method of assembling the same

According to an embodiment of the invention, an electric machine is provided. The machine includes a support structure and a stator secured to the support structure. The machine also includes a rotor rotatably scoured to the support structure. The rotor defines a wall of the rotor. The machine also includes a sensor secured to the support structure and adapted to cooperate with the wall of the rotor to sense the position of the rotor relative to that of the stator.

Electric machine with magnetic sensor

Growing community of inventors

Troy, OH, United States of America

Justin Michael Magyar