Sweeper with recirculation hood having an unobstructed...

Details Sweeper with recirculation hood having an unobstructed... Sweeper with recirculation hood having an unobstructed...

E - Fixed Constructions

01

H

15/43.1

E01H 1/04 (2006.01) E01H 1/05 (2006.01) E01H 1/08 (2006.01)

Patent

CA 1099460

Abstract of the Disclosure A mobile street sweeper of the air recirculation pickup hood type has a hopper and a dust filter chamber. A main blower exhausts air from the hopper and introduces it into one end of the hood and air is returned to the hopper from the other end of the hood. An auxiliary blower with- draws air from the filter chamber and exhausts it to atoms- phere. The hood is provided with an unobstructed front win- dow and angled deflectors which windrow large objects into the window. The upstream end of the window is disposed at a zone wherein the static pressure of the air stream circu- lating along the hood is at atmospheric pressure and the downstream end of the window is disposed at a zone wherein the static pressure is only slightly less than atmospheric pressure. -1a-

301498

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