Fluidic seal

Details Fluidic seal Fluidic seal

1977-07-15

1978-06-06

Smith, Robert I.

Ships

Building

Canal and ferry boats

114187, F23D 1320

Patent

active

040929086

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.

REFERENCES:
patent: 646143 (1900-03-01), Dickinson
patent: 3730673 (1973-05-01), Straitz

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