Electric power conversion systems – Current conversion – By circuit interrupter type
Patent
2000-02-10
2000-12-26
Nguyen, Matthew
Electric power conversion systems
Current conversion
By circuit interrupter type
H02M 760
Patent
active
061669369
ABSTRACT:
A non-directional frequency generator capable of minimizing frictional noise generated due to a mechanical rotation mechanism, including: a plurality of brushes connected with a direct current power source; and a commutator which converts a direct current waveform inputted from one of the brushes into an alternating current waveform by a rotational movement thereof, having a groove formed on an outer circumference thereof slanted inward to the commutator so as to reduce friction with the brushes during the rotation thereof.
REFERENCES:
patent: 4024525 (1977-05-01), Baumgartner et al.
patent: 4194239 (1980-03-01), Jayaram et al.
patent: 5633792 (1997-05-01), Massey
patent: 6081082 (2000-06-01), Kim et al.
Han Yong-Woon
Jang Seong-deog
Kang Kwang-Seok
Sung Han-Jun
Bushnell Esq. Robert E.
Nguyen Matthew
Samsung Electronics Co,. Ltd.
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