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:
Apr. 10, 2007
Filed:
Oct. 22, 2003
Joseph Dechene, Nashua, NH (US);
Michael Manganese, Peabody, MA (US);
Namwook Paik, Acton, MA (US);
Andrew Chase, Boston, MA (US);
Michael Lysik, Amesbury, MA (US);
Joseph Dechene, Nashua, NH (US);
Michael Manganese, Peabody, MA (US);
Namwook Paik, Acton, MA (US);
Andrew Chase, Boston, MA (US);
Michael Lysik, Amesbury, MA (US);
American Power Conversion Corporation, West Kingston, RI (US);
Abstract
One embodiment of the invention provides a UPS including a precharge circuit and a battery pack sensor electrically coupled to the precharge circuit. The sensor senses the presence of an extra battery pack. The precharge circuit includes: a first precharge contact; a capacitor having first and second leads, the first lead electrically coupled to the first contact; a second precharge contact electrically coupled to the second lead of the capacitor; a current limiting circuit having first and second leads, the first lead of the current limiting circuit electrically coupled to the first lead of the capacitor; and a third precharge contact electrically coupled to the second lead of the current limiting circuit. The UPS can further include an enclosure having a housing and a battery connector integral to the housing, the battery connector adapted to receive the first, second and third precharge contacts.