| Patent application number | Description | Published |
| 20080295543 | WASHING MACHINE APPARATUS AND METHOD - A washing machine is provided that includes an induction motor and a motor control circuit with a feedback loop. The feedback loop provides rotor speed to a microprocessor of the motor control circuit. The motor control circuit and feedback loop control the motor such that the motor operates in a reverse frequency mode which provides braking to the washing machine. | 12-04-2008 |
| 20080297011 | INTEGRATED CONTROLLER/MOTOR WITH THERMAL OVERLOAD SENSOR - An integrated controller/motor energized by a power supply includes a controller that has controller circuits and a pair of controller lead lines connectable in circuit between the power supply and the controller circuits. The integrated controller/motor also includes a motor that has a first motor winding and a second motor winding each in circuit with the controller circuits and a thermal overload sensor located in direct proximity to the first motor winding and the second motor winding. The thermal overload sensor may be connected in series with at least one of the controller lead lines. A method of protecting an integrated controller/motor from thermal overload is also presented. | 12-04-2008 |
| 20080297098 | WASHING MACHINE APPARATUS AND METHOD - A washing machine is provided that includes an induction motor and a motor control circuit with a feedback loop. The feedback loop provides rotor speed to a microprocessor of the motor control circuit. The motor control circuit and feedback loop control the motor such that the motor operates in a negative slip mode which provides braking to the washing machine. | 12-04-2008 |
| 20080297275 | DUAL CONFIGURATION FILTER CIRCUIT - A low current leakage circuit for power source lines that include a first power line at one potential and a second power line at another potential with respect to the first power line and that carry energy to power a device is provided. The low leakage circuit may include a filter circuit connected in parallel with the device and between the first power line and the second power line. The filter circuit may have a junction in circuit with a local ground and a switch may be connected in series between the junction and the local ground. A method of reducing current leakage in a filter circuit for power source lines carrying energy for powering a device is also provided. | 12-04-2008 |
| 20090079273 | SWITCHING CIRCUIT APPARATUS HAVING A SERIES CONDUCTION PATH FOR SERVICING A LOAD AND SWITCHING METHOD - A circuit for servicing a load connectable with a power supply is disclosed. The circuit includes a plurality of three-terminal switches and one control supply. The three-terminal switches define a series conduction path connectable between the power supply and the load. Each of the plurality of three terminal switches includes a source terminal, a drain terminal, and a gate terminal. The control supply is productive of a control voltage and in power connection between the gate terminal and source terminal of each of the plurality of three-terminal switches. Each of the plurality of three-terminal switches is responsive to the control voltage at its respective gate terminal to close a connection between the respective source terminal and respective drain terminal of each of the plurality of three-terminal switches. | 03-26-2009 |
| 20100117578 | GARAGE DOOR OPENER - This invention relates generally to a garage door opener. The garage door opener has a user interface and an integrated motor operatively connected to the garage door. The integrated motor has a motor drive and an integrated motor control circuit. The integrated motor control circuit has a motor control microprocessor. | 05-13-2010 |
| 20100186772 | METHOD AND SYSTEM FOR DISHWASHER OPERATION - A method, and corresponding system, for dishwasher operation including receiving an operation setting at a dishwasher to be performed by the dishwasher, where the dishwasher is configured to receive an input of electrical power at a defined operating voltage and frequency; and causing an operation of the dishwasher based on the operation setting by causing an inverter of the dishwasher to operate a pump motor of the dishwasher at an electrical power condition different from the defined operating voltage and frequency received at the dishwasher, where the electrical power condition at the pump motor causes the dishwasher to operate in accordance with a quiet dishwashing cycle, a high water pressure dishwashing cycle, a constant mass flow operation, or a minimum water use operation. | 07-29-2010 |