Fifteen mechanical problems : reasons for their existence and their solution (1915)
Sargent, Charles Elliotte · leaf 249
air and dirtfrom the floor through the sweeper, hose, riser and scrubber, and out into theatmosphere or out of doors through the pump cylinder exhaust. Hinety percent of the dirt is left in the cleaning water. When finished sweeping, riser is cut off by shutting a valve betweenit and tank, and a… … TJ1 into tank and drives tho dirty viator to the sewer. About twelve inches of mercury is the best vacuum for sweeping whensmall quantities of air are used. If the pump is in operation and two orthree sweepers are cut off,the vacuum would so increase that tho operating sweep-er would pull the rugs…
Mechanical engineering · Machine design · Theses
Internet Archive · University of Illinois Urbana-Champaign · Public Domain Mark 1.0. Free to use for anything.
