Patent ID: 6152649
Filing Date: 2000-11-28
Classification: E01C

Abstract:
A fumes collection system for an auger-type distributing device that spreads hot asphalt behind a mobile paver comprising:a. means for attaching to a rear chassis member of said machine a rotatable auger shaft extending horizontally above a surface being paved, said auger shaft extending laterally transverse to a longitudinal center axis of said machine, said auger shaft carrying a plurality of auger flights spaced therealong above said surface;b. means for raising and lowering said auger shaft and said auger flights to a plurality of elevations above said surface;c. a pneumatic fumes collection system on said vehicle having fumes intake means positioned above and in a fixed relation to said auger shaft for collecting and venting away fumes emanating from said asphalt adjacent to said auger flights; andd. means for raising and lowering said intake means simultaneously with said auger flights, whereby said fumes collection system collects fumes to a substantially uniform degree at a plurality of auger flight elevational positions.