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Straddle and underwrap nebel beam and jimmy electromagnetic technology train prototype mating system
   
Document Number
US Patent 5651318
Issued Date
July 29, 1997
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Abstract
A monobeam/guideway (beam) and electromagnetically jimmied vehicle prototype mating system having: a beam of durable, long life pre-cast reinforced concrete or similar composite infrastructure produce with mass to reduce travel sound transmissions caused by deflections in lighter weight elevated guideway support designs. The beam to vehicle mating design allows the vehicle to straddle over the beam riding along its ridge on tires while balancing on support casters making firm positive contact at critical tangent points along the beam's Nebel surfaces during intermittent non-jimmied/non-levitated periods of operation. Non-jimmied vehicle positioning is free of the wide gap tolerances of prior art. The beam and elevated support allow the vehicle to underwrap and become jimmied by attractive magnetic response of magnetic balancers which are magnets at the vehicle underwrap excited by electromagnetic starter packs located underside guideway beams. The Beam has rubberized non-stick ride surfaces to shed ice and snow. Other magnetic balancers are also set at clockset positions to the beam's radial tendency and are in addition angular set in a unified saw-tooth arrangement to draw train toward travel direction. Noise, mechanical wear and the vibrational passenger discomforts of prior art during non-jimmied operation are reduced if not eliminated by this design.
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Straddle and underwrap nebel beam and jimmy electromagnetic technology train prototype mating system - US Patent 5651318 Drawing
Drawing from US Patent 5651318
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Number of Claims:
24
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Published
July 29, 1997
Application Number
08/347,955
Filed
December 1, 1994
US Classification
104/124   104/281 104/284
Int'l Classification
B60L   13/00   (20060101)   B60L   13/10   (20060101)  
USPTO Field of Search
104/281   104/282   104/284   104/290   104/291   104/292   104/118   104/119   104/124   104/286   104/294  
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