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Ramani R. Kalpathi
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Ann Arbor, MI, US
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last 30 patents
Information
Patent Grant
Phase commutation of a switched reluctance motor by single phase se...
Patent number
6,242,874
Issue date
Jun 5, 2001
Dana Corporation
Ramani R. Kalpathi
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Sensing load and/or speed changes in a switched reluctance motor th...
Patent number
6,137,248
Issue date
Oct 24, 2000
Dana Corporation
Ramani R. Kalpathi
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Sensorless switched reluctance motor control
Patent number
6,107,772
Issue date
Aug 22, 2000
Dana Corporation
Ning Liu
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
C-dump switched reluctance hysteresis control
Patent number
6,060,858
Issue date
May 9, 2000
Dana Corporation
Scott E. Blackburn
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Sensorless detection of a locked rotor in a switched reluctance motor
Patent number
6,011,368
Issue date
Jan 4, 2000
Dana Corporation
Ramani R. Kalpathi
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Method and apparatus of reducing acoustic noise in switched relucta...
Patent number
5,973,462
Issue date
Oct 26, 1999
Dana Corporation
Ramani R. Kalpathi
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Active phase coil inductance sensing
Patent number
5,786,681
Issue date
Jul 28, 1998
Dana Corporation
Ramani R. Kalpathi
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER