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Bret S.
Bret S. Clark, Saint Louis, MO US
| Patent application number | Description | Published |
|---|---|---|
| 20100147039 | DEVICE AND METHOD FOR SENSING TEMPERATURE OF A ROTATING ELECTROMAGNETIC MACHINE - A system and method of determining the temperature of a rotating electromagnetic machine, such as an electric motor or generator. A temperature calibration parameter is calculated based on the temperature of an object situated close to the motor, such as a motor drive connected to the motor, and a first resistance value of the winding. In exemplary embodiments, the motor drive and first resistance value are determined only after the motor has been idle for some predetermined time period. Once the calibration parameter is calculated, the processor uses it along with subsequent resistance measurements to calculate the temperature of the motor. | 06-17-2010 |
| 20110144937 | DEVICE AND METHOD OF SENSING TEMPERATURE OF A ROTATING ELECTROMAGNETIC MACHINE - A system and method of determining the temperature of a rotating electromagnetic machine, such as an electric motor or generator. A temperature calibration parameter is calculated based on the temperature of an object situated close to the motor, such as a motor drive connected to the motor, and a first resistance value of the winding. In exemplary embodiments, the motor drive and first resistance value are determined only after the motor has been idle for some predetermined time period. Once the calibration parameter is calculated, the processor uses it along with subsequent resistance measurements to calculate the temperature of the motor. | 06-16-2011 |
Bret S. Clark, Oakville, MO US
| Patent application number | Description | Published |
|---|---|---|
| 20100017954 | VARIABLE MOTOR DRIVE SYSTEM FOR A RESERVOIR WITH CIRCULATING FLUID - A motor drive for an electric motor of a variable fluid circulating system includes a processing module and a power module. The processing module receives a signal profile and generates a control signal based on the signal profile. A power module generates a carrier signal based on the control signal and a direct current (DC) voltage. The power module pulse width modulates the carrier signal to generate a drive signal in the electric motor that matches the signal profile. The power module powers the electric motor based on the drive signal to adjust injection of a fluid into a reservoir. | 01-28-2010 |
Bret S. Hildebran, Chagrin, OH US
| Patent application number | Description | Published |
|---|---|---|
| 20080307125 | HIGH-SPEED SEQUENTIAL SAMPLING OF I/O DATA FOR INDUSTRIAL CONTROL - An I/O module samples an industrial process to acquire data indicative of performance of the industrial process. The I/O module has an internal memory in which the data from multiple samples is stored until readout by, or produced to, an industrial controller. The I/O module assigns a time-stamp identifier to the stored samples thereby providing time information to the industrial controller for the stored data when read out by the industrial controller. | 12-11-2008 |