Rubber-tire gantry crane with shore power

Details Rubber-tire gantry crane with shore power Rubber-tire gantry crane with shore power

2007-11-20

2011-11-22

Morano, IV, Joe (Department: 3617)

Electricity: transmission to vehicles

Conductors

Trolley

C104S098000

Reexamination Certificate

active

08061495

ABSTRACT:
An apparatus for coupling power from shore power to a rubber tire gantry (RTG) crane comprises a power junction trolley and optionally an RTG crane. The power junction trolley receives power through a high voltage cable or alternatively through an inductive power coupling and alternatively outputs a low AC or a low DC voltage through a flexible power cable for connection to an RTG crane. A guiding apparatus directs the power junction trolley along a selected path so as to reduce a control accuracy requirement for the RTG crane. The RTG crane may move from a selected path to another selected path without interrupting a high voltage connection. The power junction trolley optionally determines its position relative to a selected path comprising a guide rail in some embodiments and a guide wire in others. Embodiments of the power junction trolley are alternately self-propelled or towed by the RTG crane.

REFERENCES:
patent: 5788033 (1998-08-01), Lucking et al.
patent: 7554278 (2009-06-01), Wegner-Donnelly et al.
patent: 103 46 796 (2005-05-01), None
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patent: 1 820 769 (2007-08-01), None
Kim, Donghyun, and Langley, Richard, “On Ultrahigh-Precision GPS Positioning and Navigation”, Journal of the Institute of Navigation, vol. 50, No. 2, Summer 2003.
Martin Scheffler, Klaus Feyrer, Karl Matthias, “Fordermaschinen—ISBN 3-528-06626-1”, 1998, pp. 129-131.

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