Electricity: measuring and testing – Electrical speed measuring – Including motor current or voltage sensor
Patent
1991-04-29
1992-09-01
Wieder, Kenneth A.
Electricity: measuring and testing
Electrical speed measuring
Including motor current or voltage sensor
324157, 324158MG, G01P 346, G01R 3102
Patent
active
051442329
ABSTRACT:
An RPM and voltage indicator is used to check the operating speed and voltage output of a generator set. The device is used to verify the proper operation of a generator set or any auxiliary power unit, such as a DC to AC invertor, and further functions as a tool to make necessary adjustments to a governor or frequency control of any such generator set or auxiliary power unit.
REFERENCES:
patent: 4222005 (1980-09-01), Naito
patent: 4670698 (1987-06-01), Fulton et al.
patent: 4816756 (1989-03-01), Fox
patent: 4829234 (1989-05-01), Gretsch
Edmonds Warren S.
Gilden Leon
Wieder Kenneth A.
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