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Method of assembling direct-drive generator
Grant 7,966,716 - Gizaw , et al. June 28, 2 | 2011-06-28 |
Slow-speed Direct-drive Generator
App 20100251539 - Gizaw; Daniel ; et al. | 2010-10-07 |
Slow-speed direct-drive generator
Grant 7,750,522 - Gizaw , et al. July 6, 2 | 2010-07-06 |
Permanent-magnet generator and method of cooling
Grant 7,701,095 - Gizaw , et al. April 20, 2 | 2010-04-20 |
Permanent-magnet generator and method of cooling
App 20080030085 - Gizaw; Daniel ; et al. | 2008-02-07 |
Compact Integrated Brushless Permanent-magnet Motor & Drive
App 20080030088 - Gizaw; Daniel ; et al. | 2008-02-07 |
Method and apparatus for forming an electric motor having stacked laminations
Grant 6,864,616 - Hollenbeck , et al. March 8, 2 | 2005-03-08 |
Method for fabricating motors of different outputs using standardized parts
App 20030127929 - Brahmavar, Subhash M. ; et al. | 2003-07-10 |
Integral motor and control
App 20030098660 - Erdman, David M. ; et al. | 2003-05-29 |
Method and apparatus for forming an electric motor having stacked laminations
App 20030067243 - Hollenbeck, Robert K. ; et al. | 2003-04-10 |
Integral motor and control
Grant 6,479,957 - Erdman , et al. November 12, 2 | 2002-11-12 |
Integral motor and control
Grant 6,414,408 - Erdman , et al. July 2, 2 | 2002-07-02 |
Integral motor and control
Grant 6,348,752 - Erdman , et al. February 19, 2 | 2002-02-19 |
Multi-speed motor control
App 20010011879 - Erdman, David M. | 2001-08-09 |
Brushless D. C. motor and control assembly
Grant 6,271,638 - Erdman , et al. August 7, 2 | 2001-08-07 |
Motor with external rotor
Grant 5,986,379 - Hollenbeck , et al. November 16, 1 | 1999-11-16 |
Capacitively powered motor and constant speed control therefor
Grant 5,982,122 - Hollenbeck , et al. November 9, 1 | 1999-11-09 |
Constant speed control for a motor
Grant 5,847,524 - Erdman , et al. December 8, 1 | 1998-12-08 |
Quadrature axis winding for sensorless rotor angular position control of single phase permanent magnet motor
Grant 5,796,194 - Archer , et al. August 18, 1 | 1998-08-18 |
Circuit, motor, and method generating a signal representing back EMF in an energized motor winding
Grant 5,696,430 - Erdman , et al. December 9, 1 | 1997-12-09 |
Electrical motor with a differential phase back EMF sensing circuit for sensing rotor position
Grant 5,646,491 - Erdman , et al. July 8, 1 | 1997-07-08 |
Control system, electronically commutated motor system, draft inducer apparatus and method
Grant RE35,124 - Erdman , et al. December 19, 1 | 1995-12-19 |
Motor controls, refrigeration systems and methods of motor operation and control
Grant 5,376,866 - Erdman December 27, 1 | 1994-12-27 |
Motor controls, refrigeration systems and methods of motor operation and control
Grant 5,227,704 - Erdman July 13, 1 | 1993-07-13 |
Motor controls, refrigeration systems and methods of motor operation and control
Grant 5,125,067 - Erdman June 23, 1 | 1992-06-23 |
Control system, electronically commutated motor system, draft inducer apparatus and method
Grant 5,075,608 - Erdman , et al. December 24, 1 | 1991-12-24 |
Dynamic vehicle suspension system including electronically commutated motor
Grant 5,028,073 - Harms , et al. July 2, 1 | 1991-07-02 |
Control circuits, electronically commutated motor systems and methods
Grant 5,023,527 - Erdman , et al. June 11, 1 | 1991-06-11 |
Gearless direct drive switched reluctance motor for laundry application
Grant 4,998,052 - Erdman , et al. March 5, 1 | 1991-03-05 |
Axial flow fan integral with electronically commutated motor
Grant 4,950,932 - Harms , et al. August 21, 1 | 1990-08-21 |
Control system, electronically commutated motor system, blower apparatus and methods
Grant 4,763,347 - Erdman August 9, 1 | 1988-08-09 |
Control system, method of operating an electronically commutated motor, and laundering apparatus
Grant 4,654,566 - Erdman March 31, 1 | 1987-03-31 |
Method of establishing a preferred rate of air flow, method of determining torque, and apparatus
Grant 4,638,233 - Erdman January 20, 1 | 1987-01-20 |
Laundering apparatus, method of operating a laundry machine, control system for an electronically commutated motor, method of operating an electronically commutated motor, and circuit
Grant 4,556,827 - Erdman December 3, 1 | 1985-12-03 |
Laundering apparatus, method of operating a laundry machine, control system for an electronically commutated motor and method of operating an electronically commutated motor
Grant 4,532,459 - Erdman , et al. July 30, 1 | 1985-07-30 |
Laundering apparatus, method of operating a laundry machine, control system for an electronically commutated motor, and method of operating an electronically commutated motor
Grant 4,513,230 - Erdman April 23, 1 | 1985-04-23 |
Electronically commutated motor systems and control therefor
Grant 4,459,519 - Erdman July 10, 1 | 1984-07-10 |
Control system for an electronically commutated motor
Grant 4,449,079 - Erdman May 15, 1 | 1984-05-15 |
Laundering apparatus, method of operating a laundry machine, control system for an electronically commutated motor, method of operating an electronically commutated motor, and circuit
Grant 4,390,826 - Erdman , et al. June 28, 1 | 1983-06-28 |
Refrigeration system and control therefor
Grant 4,015,182 - Erdman March 29, 1 | 1977-03-29 |
Electronically commutated motor and method of making same
Grant 4,005,347 - Erdman January 25, 1 | 1977-01-25 |
Induction motor control system
Grant 3,882,364 - Wright , et al. May 6, 1 | 1975-05-06 |
Method And Means For Measuring The Phase Angle Between Current And Voltage
Grant 3,866,117 - Erdman February 11, 1 | 1975-02-11 |
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