B - Operations – Transporting – 08 – B
Patent
B - Operations, Transporting
08
B
B08B 9/02 (2006.01) B08B 9/04 (2006.01)
Patent
CA 2221385
The invention relates to a method for cleaning ventilation ducts (2). For this purpose an underpressure is generated in the duct and a jet nozzle (13) connected to a source of fluid, for instance pressurized air (12), is guided through the duct in roughly the centre of the cross-sectional area thereof. The air jet loosens the accumulated dirt which is sucked out by the vacuum (6, 8).
L'invention concerne un procédé de nettoyage de canalisations (2) de ventilation, lequel consiste à produire une pression réduite dans la canalisation et à guider un ajutage (13), relié à une source de fluide, par exemple de l'air (12) sous pression, à travers cette canalisation, approximativement au centre de la section de celle-ci. Cet ajutage détache les impuretés accumulées, qui sont aspirées par le vide (6, 8).
Fetherstonhaugh & Co.
Piguillet & Zonen V.o.f.
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