Fumes collection for an auger-type distributing device on an asp

Road structure – process – or apparatus – Apparatus – Material distribution means

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Details

404108, E01C 1918

Patent

active

061526495

ABSTRACT:
A pneumatic fumes collection system for an auger-type distributing device that spreads hot asphalt behind a mobile paver includes a rotatable auger shaft extending horizontally above a surface being paved and laterally to a longitudinal centerline axis of the paver. The shaft includes a plurality of auger flights spaced therealong, and can be raised and lowered to a plurality of elevations above the surface being paved. A fumes intake inlet is positioned above, and in a fixed spacial relation to, the auger shaft, whereby the fumes inlet raises and lowers simultaneously with the auger shaft, resulting in an a more uniform fumes collection over a plurality of auger flight elevations. A fumes exhaust fan and exhaust stack are positioned on the paver.

REFERENCES:
patent: 4012160 (1977-03-01), Parker
patent: 4749304 (1988-06-01), Craig
patent: 5002426 (1991-03-01), Brown et al.
patent: 5443325 (1995-08-01), Simonelli et al.
patent: 5531542 (1996-07-01), Willis
patent: 5938371 (1999-08-01), Gustin et al.

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