Fluidic seal
AssigneeCombustion Unlimited Incorporated
InventorJohn F. Straitz, III
Life of this patent
Estimating the term…
Abstract
A fluidic seal is provided for vent stacks which comprises a plurality of spaced frusto-conical concentric baffles with aligned central openings permitting free outward delivery of gas for discharge but providing an obstruction to reverse or return flow within the stack, the baffles at their openings being provided with static electricity preventing rings. Protection is afforded by the baffles against initiation of combustion due to static electricity and in the event of combustion of the discharging gas initiated by lightening preventing backflow in the stack.
Claims6
A vent stack for waste gas comprising, in said stack,
- a fluidic diode permitting flow for discharge of combustible waste gas and obstructing return flow in the stack,
- said fluidic diode comprising at least one axially aligned frustoconical baffle with a central opening, and means for inhibiting static electricity generation at said diode comprising a ring in surrounding relationship to a baffle central opening having a smooth surface curved in the direction of discharge gas flow.
Dependencies are inferred from the claim text.