Direct current and battery disconnect apparatus

Electricity: electrical systems and devices – Safety and protection of systems and devices – Ground fault protection

Reexamination Certificate

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Details

C361S093100

Reexamination Certificate

active

07460344

ABSTRACT:
A battery disconnect includes a housing, battery and load terminals, separable contacts electrically connected between the battery and load terminals, an operating mechanism structured to open and close the contacts, and a manual operator cooperating with the operating mechanism to open and close the contacts. A current sensor is structured to sense current flowing between the battery and load terminals. A circuit cooperates with the current sensor and the operating mechanism to trip open the contacts responsive to arc fault, overload and short circuit conditions associated with the sensed current. The circuit includes a first input structured to receive a remote on/off signal and a second input structured to receive an inhibit signal. The circuit cooperates with the operating mechanism to open and close the contacts responsive to the on/off signal, and to inhibit detection of the arc fault, overload and short circuit conditions responsive to the inhibit signal.

REFERENCES:
patent: 6577138 (2003-06-01), Zuercher et al.
patent: 2005/0073293 (2005-04-01), Hastings et al.
patent: 11-136846 (1999-05-01), None
BLI International, “Priority Start!® Starting is the Priority!”, 2006, 2 pp.
Curtis Instruments, Inc., “Curtis/Albright Battery Disconnect Switches” ED150 Series, www.curtisinstruments.com, 2006, 1 p.
Cole Hersee Company, “Cole Facts Battery Selector & Master Disconnect Switches”, http://www.colehersee.com, 2006, 2 pp.
Curtis Instruments, Inc., “DC Contactors And Disconnect Switches”, 2006, 3 pp.
Connector Concepts, Inc., “Curtis/Albright enGage III™”, 2006, 2 pp.
Delphi, “Electrical/Electronic Distribution Systems”, www.delphi.com, 2004, 8 pp.
Delphi, “Battery Disconnect System”, www.delphi.com, 2006, 1 p.
Control Devices, Inc., 1 First Technology Innovative Solutions, Automotive & Special Products Division, “Battery Cut Off (BCO)”, 2006, 2 pp.
Intellitec, “Intellitec Battery Disconnect Relay”, 2006, 1 p.
Tyco Electronics Corporation, “EV200 Series Contactor With 1 Form A (SPST-NO) Contacts Rated 500+ Amps, 12-900VDC”, 2004, http://relays.tycoelectronics.com/datasheets/ev200.pdf, 2 pp.
BLI International, “Priority Start Priority Start Stop a dead battery before it happens!”, 2006, 2 pp.
Galactic Headquarters, “Battery Disconnect for Remote Controls”, 2006, 1 p.

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