Hydraulic venturi

Claim 1

An hydraulic venturi for use in cleaning dirt-laden gases comprising: a. an open ended conduit carrying said gases: b. a plurality of first spray nozzles in said open ended conduit which are directed toward the gases flowing in said conduit; c. a first chamber surrounding the end of said conduit, said chamber having an open end formed by a wall that approaches but does not touch the outer periphery of the end portion of said open ended conduit; d. a quantity of water in said first chamber, the level of which is spaced apart from the end of said conduit; e. a second chamber surrounding said first chamber and the end portion of said conduit; f. a conduit connected to said second chamber for carrying away said gases; g. a first tubular conduit terminating within said second chamber at a point above said conduit and communicating with the water in said first chamber; h. a second tubular conduit communicating with the water in said first chamber and leading the water therefrom and externally of said second chamber; i. flow control means in said second tubular conduit; j. means for flowing water in said first spray nozzles and into said gases; and k. a plurality of second spray nozzles in said second chamber which are directed toward the space between said open ended conduit and said first chamber.