The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Dec. 30, 2008
Filed:
Oct. 08, 2004
Ronaldo Riberio Duarte, Joinville, BR;
Marcos Guilherme Schwarz, Joinville, BR;
Luiz Magalhaes Medeiros Neto, Joinville, BR;
Ronaldo Riberio Duarte, Joinville, BR;
Marcos Guilherme Schwarz, Joinville, BR;
Luiz Magalhaes Medeiros Neto, Joinville, BR;
Empresa Brasileira De Compressores S.A., Embraco Joinville - SC, BR;
Abstract
A starting device and starting method for a single-phase induction motor, housing: a stator having a running coil and a starting coil; a running switch and a starting switch which is conducted to an open condition upon completion of the motor start. The starting device includes: a starting circuit including a control unit which receives, from a current sensor, signals representative of the current level being supplied to the stator, the control unit being connected to the running and the starting switches, for instruction the open and closed conditions thereof; the open condition of the starting switch being defined when the ratio between the present current level supplied to the stator and the starting current level, upon the closing of the starting and the running switches, reaches a predetermined value.