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1879229
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Information
Patent Grant
1879229
References
Source
Patent Number
1,879,229
Date Filed
Not available
Date Issued
Tuesday, September 27, 1932
91 years ago
CPC
H02P25/12 - with shiftable brushes
H02K27/18 - in shunt connection with rotor feeding
H02P23/26 - Power factor control [PFC]
US Classifications
318 - Electricity: motive power systems
310 - Electrical generator or motor structure
323 - Electricity: power supply or regulation systems
388 - Electricity: motor control systems
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