Laurence V. Feight - Island Lake IL, US James Manely Duros - Chicago IL, US Joseph Robert Rauch - Cary IL, US
Assignee:
Schweitzer Engineering Laboratories Inc - Pullman WA
International Classification:
G08B 1/08
US Classification:
3405391, 340650, 324509, 324133, 361 42
Abstract:
A three-phase faulted circuit indicator adjustable to accommodate a variety of three-phase power cables is disclosed. In one embodiment, faulted circuit indicator comprises a flexible holder that encircles the monitored conductor slightly more than one time. The flexible holder includes a plurality of magnetic sensors for monitoring the current within the internal conductors of the power cable, a logic circuit for determining the occurrence of a fault, and an output device for providing an indication of a fault. In a second embodiment, the faulted circuit indicator comprises a plurality of sensor compartments, each disposed about a central point, and each coupled to two other sensor compartments.
Julio C. Castaneda - Coral Springs FL Stuart A. Heilsberg - Arlington Heights IL Joseph R. Rauch - Cary IL
Assignee:
Motorola, Inc. - Schaumburg IL
International Classification:
H01M 210
US Classification:
429 96
Abstract:
A battery cradle (130) is provided for securing a battery (117)within a battery compartment (120). The battery cradle (130) includes a frame member (131) having a cavity (141) to receive the battery (117). The frame member (131) is formed to fit a portion of the battery compartment (120) and has a peripherally located seal (146) to seal the battery compartment (120).