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Automated Coal-Mine Shuttle CarCable-guided car increases efficiency in underground coal mines. Unmanned vehicle contains storage batteries in side panels for driving traction motors located in wheels. Batteries recharged during inactive periods or slid out as unit and replaced by fresh battery bank. Onboard generator charges batteries as car operates.
Document ID
19830000417
Document Type
Other - NASA Tech Brief
Authors
Collins, E. R., Jr. (Caltech)
Date Acquired
August 11, 2013
Publication Date
April 1, 1984
Publication Information
Publication: NASA Tech Briefs
Volume: 8
Issue: 1
ISSN: 0145-319X
Subject Category
MACHINERY
Report/Patent Number
NPO-15850
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.