Venting device and method

Fluid sprinkling – spraying – and diffusing – With cleaning means – drip collecting – waste disposal or soil... – Nozzle cleaner – flusher or drainer

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Details

239124, B05B 900

Patent

active

054906326

ABSTRACT:
A device and method for venting a conduit and allowing fluid flow through the vented conduit includes an upstream conduit, downstream conduit, and a support for holding the upstream and downstream conduits with their upstream and downstream passageways aligned and maintaining a gap between the adjacent ends of the conduits. The upstream passageway includes an acceleration nozzle for accelerating the velocity of the fluid flow so that the pressure exerted by the fluid on the walls of the upstream passageway is substantially reduced and the reduced pressure is maintained across the gap. The downstream conduit includes a downstream passageway which maintains the accelerated velocity of the primary fluid and which conducts accelerated fluid to a deceleration nozzle. A plurality of the devices may be connected in series and/or multiple gaps may be created between the conduits using intermediate conduits in order to create multiple gaps. When the device is depressurized and/or inactive, the gap(s) function as vents which will drain fluid from the conduits and/or prevent the creation of a vacuum or low pressure at the fluid supply which could siphon fluid from the fluid user to the fluid supply.

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