Electricity: motive power systems – Induction motor systems – Primary circuit control
Reexamination Certificate
2007-01-16
2007-01-16
Ip, Paul (Department: 2837)
Electricity: motive power systems
Induction motor systems
Primary circuit control
C318S727000, C318S821000, C388S937000, C029S560000
Reexamination Certificate
active
11193732
ABSTRACT:
An electrically powered hand tool is described and which includes a three phase electrical motor having a plurality of poles; an electrical motor drive electrically coupled with the three phase electrical motor; and a source of electrical power which is converted to greater than about 208 volts three-phase and which is electrically coupled with the electrical motor drive.
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Bosch Product Encyclopedia, www.boschtools.com, Oct. 1, 2003, pp. 1 and 2.
Myers Kurt S.
Reed Teddy R.
Battelle Energy Alliance, LLC
Ip Paul
Wells St. John P.S.
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