F - Mech Eng,Light,Heat,Weapons – 04 – B
Patent
F - Mech Eng,Light,Heat,Weapons
04
B
F04B 15/02 (2006.01)
Patent
CA 2539754
In a two-cylinder slurry pump for the continuous feeding of, in particular, concrete, in which pump two feed cylinders remove the high-viscosity material from a pre-charging tank and deliver it to a feed line, a diverter valve is provided with a cross-section that narrows from an inlet opening assigned to the cylinders to a discharge opening assigned to the feed line, which diverter valve connects, in any position, at least one feed cylinder, over its entire cross-section, to the feed line, a support arrangement (20) and a plate cam (15) securely connected thereto being assigned in accordance with the invention to the diverter valve (11) on its side facing towards the cylinders (3, 5). The plate cam (15) comprises not only the inlet opening (21) of the diverter valve (11) but also an intake opening (23), which is arranged at sufficient distance from the inlet opening (21) to cover an opening of one of the feed cylinders (3, 5) completely. Additionally, a process for controlling this continuous-feed slurry pump is described.
L'invention concerne une pompe dragueuse à deux cylindres destinée au transport continu de béton en particulier, les deux cylindres de transport transportant le liquide épais d'un contenu de pré-remplissage vers une conduite de transport. Selon l'invention, ladite pompe comporte une dérivation tubulaire présentant une section transversale qui se rétrécit d'une ouverture d'entrée affectée aux cylindres vers une ouverture de sortie affectée à la conduite de transport. Dans toutes les positions, ladite dérivation relie au moins un cylindre de transport à la ligne de transport sur l'ensemble de la section transversale. Un logement (20) et un plateau de distribution (15) relié fixement au logement sont affectés à la dérivation tubulaire sur son côté orienté vers les cylindres (3, 5). Le plateau de distribution (15) comporte une ouverture d'aspiration (23) adjacente à l'ouverture d'entrée (21) de la dérivation tubulaire (11), disposée à une distance de l'ouverture d'entrée (21) suffisant à recouvrir entièrement une ouverture d'un des cylindres de transport (3, 5). L'invention concerne également un procédé de commande de ladite pompe dragueuse à flux de transport continu.
Mcfadden Fincham
Schwing Gmbh
LandOfFree
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