Antonelli, Terry & Wands
Vertical hydro-hoist with adjustable floats and method of operating the same
 A vertical hydro-hoist for conveying a slurry under pressure by using a liquid obtained from a chemical process as a driving liquid and method for operating the same, the hydro-hoist includes at least one feed chamber and a detector for detecting a relationship of specific gravities between a driving liquid, a slurry and a float desporent in the at least one feed chamber. A holding member is provided for holding the float and a device, provided for supplying or discharging a specific gravity adjusting liquid into and out of the float. After temporarily holding the float in the feed chamber, the adjusting liquid is supplied into or discharged out of the float in accordance with the relationship detected by the detector. 
Hitachi, Ltd.
F B
F04F B65G
inventional inventional
Kenji Yukishige Nobuyuki Makoto Minoru
Uchida Kamino Banba Saito Kuroiwa