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:
Jul. 27, 2004
Filed:
Jan. 18, 2002
Applicant:
Inventors:
Beat J. Arnet, Winchester, MA (US);
Kevin Amundsen, Marstons Mills, MA (US);
Assignee:
Solectria Corporation, Woburn, MA (US);
Primary Examiner:
Int. Cl.
CPC ...
H02H 3/00 ;
U.S. Cl.
CPC ...
H02H 3/00 ;
Abstract
A contactor feedback and pre-charge circuit is disclosed that is capable of i) precharging a load to control the inrush of current, ii) discharging the load to eliminate the risk of shock due to capacitive charge, and iii) shutting the system down in the event the contactor unintentionally opens during operation.