Amperage control for protection of battery over current in...

Details Amperage control for protection of battery over current in... Amperage control for protection of battery over current in...

2007-10-02

2007-10-02

Duda, Rina (Department: 2837)

Electricity: motive power systems

Induction motor systems

Primary circuit control

C318S432000, C318S599000, C388S907500, C388S937000

Reexamination Certificate

active

11529304

ABSTRACT:
Amperage control of a power tool motor is provided by pulse width modulation of current from a power supply. The pulse width modulation may be varied according to the determined motor current and measured power supply voltage. The power supply may include a battery such as lithium ion or nickel cadmium.

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