Patent ID: 7094265

Claim:
A cleaning device for a plurality of tubular filter elements each having an open end, comprising: at least one first nozzle tube, wherein said at least one first nozzle tube is connected directly to a valve of a compressed-air supply; at least one further nozzle tube connected to an end of said at least one first nozzle tube remote from said valve via a connector, wherein said at least one further nozzle tube extends substantially parallel to said at least one first nozzle tube and has a closed end remote from said connector; and a plurality of respective injectors connected in a row, and having a discharge disposed at substantially right angles, to each of said at least one first nozzle tube and at least one further nozzle tube for receiving compressed air therefrom, wherein said injectors are disposed across from, and serve for a delivery of a compressed-air pulse to, said open end of said filter elements.