초록 ▼

A method and apparatus for controlling the mixing of asphalt aggregate with rejuvenating materials in an asphalt rejuvenating machine. According to the method, milled aggregate is discharged in a windrow of fixed width, and windrow height is compared to rejuvenating machine speed to determine a volu

A method and apparatus for controlling the mixing of asphalt aggregate with rejuvenating materials in an asphalt rejuvenating machine. According to the method, milled aggregate is discharged in a windrow of fixed width, and windrow height is compared to rejuvenating machine speed to determine a volume rate of material being processed. A processor controller calculates a required amount of rejuvenating fluid addition based on the volume rate being processed and a desired proportion of rejuvenating fluid to aggregate. The processor controller controls a sprayer which directs rejuvenating fluid at some point along a zone extending from a milling apparatus to a mixer.

대표청구항 ▼

1. A method for controlling the mixing of asphalt aggregate with rejuvenating materials in an asphalt rejuvenating machine, said method comprising the steps of:(i) dislodging a top layer of an asphalt paved surface; (ii) passing a milling apparatus over the dislodged layer from step (i) to strip sai

1. A method for controlling the mixing of asphalt aggregate with rejuvenating materials in an asphalt rejuvenating machine, said method comprising the steps of:(i) dislodging a top layer of an asphalt paved surface; (ii) passing a milling apparatus over the dislodged layer from step (i) to strip said top layer and break up said top layer of said asphalt paved surface to form a milled aggregate; (iii) adding rejuvenating material to said milled aggregate; (iv) transferring said milled aggregate to a mixer and blending said milled aggregate with said rejuvenating material to form a blended aggregate (v) discharging one of said blended aggregate and said milled aggregate in a windrow of pre-determined width; (vi) measuring the height of said windrow; (vii) measuring a speed of travel of said asphalt rejuvenating machine; (viii) comparing said height with said speed and determining a volume rate of discharge from said mixer; (ix) determining a desired rate of addition of said rejuvenating materials which corresponds to said volume rate of discharge and a pre-determined final composition; and, (x) adjusting a rate of addition of said rejuvenating material in step (iii) to correspond to said desired rate of addition from step (ix).