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1. WO1994003236 - DEVICE FOR CLEANING CONTAMINATED TOPSOIL

Publication Number WO/1994/003236
Publication Date 17.02.1994
International Application No. PCT/EP1993/001928
International Filing Date 21.07.1993
Chapter 2 Demand Filed 02.12.1993
IPC
F04C 19/00 2006.01
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
04POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
CROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
19Rotary-piston pumps with fluid ring or the like, specially adapted for elastic fluids
CPC
F04C 19/001
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
CROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS
19Rotary-piston pumps with fluid ring or the like, specially adapted for elastic fluids
001General arrangements, plants, flowsheets
Applicants
  • FILTER- UND WASSERTECHNIK GMBH [DE]/[DE] (AllExceptUS)
  • SCHMID, Jürgen, Thomas [DE]/[DE] (UsOnly)
Inventors
  • SCHMID, Jürgen, Thomas
Agents
  • STEIMLE, Josef
Priority Data
P 42 25 125.730.07.1992DE
Publication Language German (DE)
Filing Language German (DE)
Designated States
Title
(DE) REINIGUNGSVORRICHTUNG FÜR KONTAMINIERTES ERDREICH
(EN) DEVICE FOR CLEANING CONTAMINATED TOPSOIL
(FR) DISPOSITIF DE NETTOYAGE DE SOLS CONTAMINES
Abstract
(DE)
Bei einer Vorrichtung zum Absaugen von Gasen, insbesondere aus dem Erdreich, kann ein effektiver Explosionsschutz dadurch erzielt werden, daß das Unterdruckgebläse bzw. der Unterdruckerzeuger als Wasserringpumpe ausgebildet ist.
(EN)
The invention concerns a device for aspirating gases from, in particular, the topsoil. Efficient protection against explosions is provided by virtue of the fact that the suction fan or underpressure generator is designed as a water-ring pump.
(FR)
Grâce à un dispositif destiné à l'aspiration de gaz, provenant en particulier des sols, il est possible d'obtenir une protection efficace contre les explosions, le ventilateur aspirant ou le générateur de vide étant conçus comme pompe à anneau d'eau.
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