Electronic starter device for an electric motor, in...

Details Electronic starter device for an electric motor, in... Electronic starter device for an electric motor, in...

2007-09-28

2011-12-06

Ro, Bentsu (Department: 2837)

Electricity: motive power systems

Induction motor systems

Primary circuit control

C318S786000, C361S023000

Reexamination Certificate

active

08072179

ABSTRACT:
An electronic starter device for an electric motor including a first terminal connected in use to a mains voltage source selectively activatable by means of control means to feed respective starter and run windings of the electric motor; switch means arranged in series between the voltage source and the starter winding to selectively feed the starter winding; generating means of a first low voltage potential (V1) directly connected to the feeding terminal; timer means including at least one capacitor and means for selectively charging the capacitor by means of at least one first resistor; first driving means for activating the switch means; and second driving means for activating the first driving means, the latter being arranged logically in a cascade with respect to the second driving means, which are activated by means of the timer means.

REFERENCES:
patent: 4605888 (1986-08-01), Kim
patent: 4651077 (1987-03-01), Woyski
patent: 5051681 (1991-09-01), Schwarz
patent: 5302885 (1994-04-01), Schwarz et al.
patent: 2004/0263109 (2004-12-01), Schwarz
patent: 2005/0007062 (2005-01-01), Mehlhorn
patent: 2006/0273752 (2006-12-01), Duarte et al.
patent: 260590 (1988-09-01), None
patent: 2006001601 (2006-01-01), None
ISR for PCT/IB2007/002856 dated Jun. 5, 2008.

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